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MediaWiki:FileUploadWizard.js (посмотреть исходный код)

Версия от 22:08, 19 июня 2020

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(Керла агӀо: «// <nowiki> /* * =============================================================== * FileUploadWizard.js * Script for uploading files through a dynamic q...»)
 
(Полностью удалено содержимое страницы)
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// <nowiki>
/*
* ===============================================================
*                    FileUploadWizard.js
* Script for uploading files through a dynamic questionnaire.
* This is the code to accompany [[Wikipedia:File Upload Wizard]].
* ===============================================================
*/


var fuwTesting = false;
var fuwDefaultTextboxLength = 60;
var fuwDefaultTextareaWidth = '90%';
var fuwDefaultTextareaLines = 3;
// ================================================================
// Constructor function of global fuw (= File Upload Wizard) object
// ================================================================
function fuwGlobal() {
  // Loading the accompanying .css
  mw.loader.load( mw.config.get('wgServer') + mw.config.get('wgScriptPath') +
      '/index.php?title=MediaWiki:FileUploadWizard.css&action=raw&ctype=text/css',
      'text/css'  );
  // see if user is logged in, autoconfirmed, experienced etc.
  this.getUserStatus();
  fuwSetVisible('warningLoggedOut', (this.userStatus == 'anon'));
  fuwSetVisible('warningNotConfirmed', (this.userStatus == 'notAutoconfirmed'));
  if ((this.userStatus == 'anon') || (this.userStatus == 'notAutoconfirmed')) {
      return;
  }
  fuwSetVisible('fuwStartScriptLink', false);
  // create the form element to wrap the main ScriptForm area
  // containing input elements of Step2 and Step3
  var frm = fuwGet('fuwScriptForm');
  if (! frm) {
      frm = document.createElement('form');
      frm.id = "fuwScriptForm";
      var area = fuwGet('placeholderScriptForm');
      var parent = area.parentNode;
      parent.insertBefore(frm, area);
      parent.removeChild(area);
      frm.appendChild(area);
  }
  this.ScriptForm = frm;
  // create the TargetForm element that contains the filename
  // input box, together with hidden input controls.
  // This is the form that is actually submitted to the api.php.
  frm = fuwGet('TargetForm');
  if (! frm) {
      frm = document.createElement('form');
      frm.id = "TargetForm";
      frm.method = "post";
      frm.enctype = "multipart/form-data";
      // "enctype" doesn't work properly on IE; need "encoding" instead:
      frm.encoding = "multipart/form-data";
      // we'll submit via api.php, not index.php, mainly because that
      // allows us to use a proper edit summary different from the page content
      frm.action = mw.config.get('wgServer') + mw.config.get('wgScriptPath') + '/api.php';
      // However, since api.php sends back a response page that humans won't want to read,
      // we'll have to channel that response away and discard it. We'll use a hidden iframe
      // for that purpose.
      // Unfortunately, it doesn't seem possible to submit file upload content through an
      // Xmlhtml object via Ajax.
      frm.target = "TargetIFrame";
      //testing:
      //frm.target = "_blank";
      var area = fuwGet('placeholderTargetForm');
      var parent = area.parentNode;
      parent.insertBefore(frm, area);
      parent.removeChild(area);
      frm.appendChild(area);
  }
  this.TargetForm = frm;
  // For the testing version, create a third form that will display
  // the contents to be submitted, at the bottom of the page
  if (fuwTesting) {
      frm = fuwGet('fuwTestForm');
      if (! frm) {
        frm = document.createElement('form');
        frm.id = "fuwTestForm";
        var area = fuwGet('placeholderTestForm');
        var parent = area.parentNode;
        parent.insertBefore(frm, area);
        parent.removeChild(area);
        frm.appendChild(area);
      }
      this.TestForm = frm;
  }
  // objects to hold cached results during validation and processing
  this.opts = { };
  this.warn = { };
  // create the input filename box
  var filebox  = document.createElement('input');
  filebox.id  = 'file';
  filebox.name = 'file';
  filebox.type = 'file';
  filebox.size = fuwDefaultTextboxLength;
  filebox.onchange = fuwValidateFile;
  filebox.accept = 'image/png,image/jpeg,image/gif,image/svg+xml,image/tiff,image/x-xcf,application/pdf,image/vnd.djvu,audio/ogg,video/ogg,audio/rtp-midi';
  fuwAppendInput('file', filebox);
  // create hidden controls for sending the remaining API parameters:
  fuwMakeHiddenfield('action', 'upload', 'apiAction');
  fuwMakeHiddenfield('format', 'xml', 'apiFormat');
  fuwMakeHiddenfield('filename', '', 'apiFilename');
  fuwMakeHiddenfield('text', '', 'apiText');
  fuwMakeHiddenfield('comment', '', 'apiComment');
  fuwMakeHiddenfield('token', mw.user.tokens.get('csrfToken'), 'apiToken');
  fuwMakeHiddenfield('ignorewarnings', 1, 'apiIgnorewarnings');
  fuwMakeHiddenfield('watch', 1, 'apiWatch');
  if (fuwTesting) {
      fuwMakeHiddenfield('title', mw.config.get('wgPageName') + "/sandbox", 'SandboxTitle');
      fuwMakeHiddenfield('token', mw.user.tokens.get('csrfToken'), 'SandboxToken');
      fuwMakeHiddenfield('recreate', 1, 'SandboxRecreate');
  }
  // create a hidden IFrame to send the api.php response to
  var ifr = document.createElement('iframe');
  ifr.id  = "TargetIFrame";
  ifr.name = "TargetIFrame";
  //ifr.setAttribute('style', 'float:right;width:150px;height:150px;');
  ifr.style.display = "none";
  ifr.src = "";
  fuwAppendInput('TargetIFrame', ifr);
  if (fuwTesting) {
      // create the sandbox submit button
      btn = document.createElement('input');
      btn.id = 'SandboxButton';
      btn.value = 'Sandbox';
      btn.name  = 'Sandbox';
      btn.disabled = true;
      btn.type = 'button';
      btn.style.width = '12em';
      btn.onclick = fuwSubmitSandbox;
      fuwAppendInput('SandboxButton', btn);
  }
  // create the real submit button
  btn = document.createElement('input');
  btn.id = "SubmitButton";
  btn.value = "Upload";
  btn.name = "Upload";
  btn.disabled = true;
  btn.type = "button";
  btn.onclick = fuwSubmitUpload;
  btn.style.width = '12em';
  fuwAppendInput('SubmitButton', btn);
  // create the Commons submit button
  btn = document.createElement('input');
  btn.id = "CommonsButton";
  btn.value = "Upload on Commons";
  btn.name  = "Upload_on_Commons";
  btn.disabled = true;
  btn.type = "button";
  btn.onclick = fuwSubmitCommons;
  btn.style.width = '12em';
  fuwAppendInput('CommonsButton', btn);
  // create reset buttons
  for (i = 1; i<=2; i++) {
      btn = document.createElement('input');
      btn.id = 'ResetButton' + i;
      btn.value = "Reset form";
      btn.name  = "Reset form";
      btn.type  = "button";
      btn.onclick = fuwReset;
      btn.style.width = '12em';
      fuwAppendInput('ResetButton' + i, btn);
  }
  // names of radio button fields
  var optionRadioButtons = {
      // top-level copyright status choice
      'FreeOrNonFree' : ['OptionFree','OptionNonFree','OptionNoGood'],
      // main subsections under OptionFree
      'FreeOptions'  : ['OptionOwnWork', 'OptionThirdParty', 'OptionFreeWebsite',
                        'OptionPDOld', 'OptionPDOther'],
      // main subsections under OptionNonFree
      'NonFreeOptions': ['OptionNFSubject','OptionNF3D','OptionNFExcerpt',
                        'OptionNFCover','OptionNFLogo','OptionNFPortrait',
                        'OptionNFMisc'],
      // response options inside warningFileExists
      'FileExistsOptions':
                        ['NoOverwrite','OverwriteSame','OverwriteDifferent'],
      // choice of evidence in OptionThirdParty subsection
      'ThirdPartyEvidenceOptions' :
                        ['ThirdPartyEvidenceOptionLink',
                        'ThirdPartyEvidenceOptionOTRS',
                        'ThirdPartyEvidenceOptionOTRSForthcoming',
                        'ThirdPartyEvidenceOptionNone'],
      // choice of PD status in OptionPDOld subsection
      'PDOldOptions'  : ['PDUS1923','PDURAA','PDFormality','PDOldOther'],
      // choice of PD status in OptionPDOther subsection
      'PDOtherOptions': ['PDOtherUSGov','PDOtherOfficial','PDOtherSimple',
                        'PDOtherOther'],
      // whether target article is wholly or only partly dedicated to discussing non-free work:
      'NFSubjectCheck': ['NFSubjectCheckDedicated','NFSubjectCheckDiscussed'],
      'NF3DCheck'    : ['NF3DCheckDedicated','NF3DCheckDiscussed'],
      // choice about copyright status of photograph in OptionNF3D
      'NF3DOptions'  : ['NF3DOptionFree','NF3DOptionSame']
  };
  for (var group in optionRadioButtons) {
      var op = optionRadioButtons[group];
      for (i=0; i<op.length; i++) {
        fuwMakeRadiobutton(group, op[i]);
      }
  }
  this.ScriptForm.NoOverwrite.checked = true;
 
  // input fields that trigger special
  // onchange() event handlers for validation:
  fuwMakeTextfield('InputName', fuwValidateFilename);
  fuwMakeTextfield('NFArticle', fuwValidateNFArticle);
  // names of input fields that trigger normal
  // validation event handler
  var activeTextfields = [
      'Artist3D','Country3D',
      'Date','OwnWorkCreation','OwnWorkPublication',
      'Author','Source',
      'Permission','ThirdPartyOtherLicense',
      'ThirdPartyEvidenceLink','ThirdPartyOTRSTicket',
      'FreeWebsiteOtherLicense',
      'PDOldAuthorLifetime','Publication',
      'PDOldCountry','PDOldPermission',
      'PDOfficialPermission','PDOtherPermission',
      'NFSubjectPurpose', 'NF3DOrigDate', 'NF3DPurpose',
      'NF3DCreator',
      'NFPortraitDeceased',
      'EditSummary'
  ];
  for (i=0; i<activeTextfields.length; i++) {
      fuwMakeTextfield(activeTextfields[i]);
  }
  // names of multiline textareas
  var activeTextareas = [
      'InputDesc','NF3DPermission',
      'NFCommercial','NFPurpose','NFReplaceableText',
      'NFReplaceable','NFCommercial','NFMinimality','AnyOther'
  ];
  for (i=0; i<activeTextareas.length; i++) {
      fuwMakeTextarea(activeTextareas[i]);
  };
  var checkboxes = [
      'NFCoverCheckDedicated','NFLogoCheckDedicated','NFPortraitCheckDedicated'
  ];
  for (i=0; i<checkboxes.length; i++) {
      fuwMakeCheckbox(checkboxes[i]);
  };
  var licenseLists = {
      'OwnWorkLicense' :
        // array structure as expected for input to fuwMakeSelection() function.
        // any entry that is a two-element array will be turned into an option
        // (first element is the value, second element is the display string).
        // Entries that are one-element arrays will be the label of an option group.
        // Zero-element arrays mark the end of an option group.
        [
        ['Allow all use as long as others credit you and share it under similar conditions'],
        ['self|GFDL|cc-by-sa-3.0|migration=redundant',
        'Creative Commons Attribution-Share Alike 3.0 + GFDL (recommended)',
        true],
        ['self|cc-by-sa-3.0',
        'Creative Commons Attribution-Share Alike 3.0'],
        [],
        ['Allow all use as long as others credit you'],
        ['self|cc-by-3.0',
        'Creative Commons Attribution 3.0'],
        [],
        ['Reserve no rights'],
        ['cc-zero',
        'CC-zero Universal Public Domain Dedication'],
        []
        ], 
      'ThirdPartyLicense' :
        [
        ['', 'please select the correct license...'],
        ['Freely licensed:'],
        ['cc-by-sa-3.0', 'Creative Commons Attribution-Share Alike (cc-by-sa-3.0)'],
        ['cc-by-3.0', 'Creative Commons Attribution (cc-by-3.0)'],
        ['GFDL', 'GNU Free Documentation License (GFDL)'],
        [],
        ['No rights reserved:'],
        ['PD-author', 'Public domain'],
        [],
        ['Other (see below)'],
        []
        ], 
      'FreeWebsiteLicense' :
        [
        ['', 'please select the correct license...'],
        ['Freely licensed:'],
        ['cc-by-sa-3.0', 'Creative Commons Attribution-Share Alike (cc-by-sa-3.0)'],
        ['cc-by-3.0', 'Creative Commons Attribution (cc-by-3.0)'],
        ['GFDL', 'GNU Free Documentation License (GFDL)'],
        [],
        ['No rights reserved:'],
        ['PD-author', 'Public domain'],
        [],
        ['Other (see below)'],
        []
        ], 
      'USGovLicense' :
      [
      ['PD-USGov', 'US Federal Government'],
      ['PD-USGov-NASA','NASA'],
      ['PD-USGov-Military-Navy','US Navy'],
      ['PD-USGov-NOAA','US National Oceanic and Atmospheric Administration'],
      ['PD-USGov-Military-Air_Force','US Air Force'],
      ['PD-USGov-Military-Army','US Army'],
      ['PD-USGov-CIA-WF','CIA World Factbook'],
      ['PD-USGov-USGS','United States Geological Survey']
      ],
      'IneligibleLicense' :
      [
      ['', 'please select one...'],
      ['PD-shape','Item consists solely of simple geometric shapes'],
      ['PD-text','Item consists solely of a few individual words or letters'],
      ['PD-textlogo','Logo or similar item consisting solely of letters and simple geometric shapes'],
      ['PD-chem','Chemical structural formula'],
      ['PD-ineligible','Other kind of item that contains no original authorship']
      ],
      'NFSubjectLicense' :
      [
      ['', 'please select one...'],
      ['Non-free 2D art', '2-dimensional artwork (painting, drawing etc.)'],
      ['Non-free historic image', 'Unique historic photograph'],
      ['Non-free fair use in', 'something else (please describe in description field on top)']
      ],
      'NF3DLicense' :
      [
      ['', 'please select one...'],
      ['Non-free architectural work', 'Architectural work'],
      ['Non-free 3D art', 'Other 3-dimensional creative work (sculpture etc.)']
      ],
      'NFCoverLicense' :
        [
        ['', 'please select one...'],
        ['Non-free book cover', 'Cover page of a book'],
        ['Non-free album cover', 'Cover of a sound recording (album, single, song, CD)'],
        ['Non-free game cover', 'Cover of a video/computer game'],
        ['Non-free magazine cover', 'Cover page of a magazine'],
        ['Non-free video cover', 'Cover of a video'],
        ['Non-free software cover', 'Cover of a software product'],
        ['Non-free product cover', 'Cover of some commercial product'],
        ['Non-free title-card', 'Title screen of a TV programme'],
        ['Non-free movie poster', 'Movie poster'],
        ['Non-free poster', 'Official poster of an event'],
        ['Non-free fair use in', 'something else (please describe in description field on top)']
        ],
      'NFExcerptLicense' :
        [
        ['', 'please select one...'],
        ['Non-free television screenshot', 'Television screenshot'],
        ['Non-free film screenshot', 'Movie screenshot'],
        ['Non-free game screenshot', 'Game screenshot'],
        ['Non-free video screenshot', 'Video screenshot'],
        ['Non-free music video screenshot', 'Music video screenshot'],
        ['Non-free software screenshot', 'Software screenshot'],
        ['Non-free web screenshot', 'Website screenshot'],
        ['Non-free speech', 'Audio excerpt from a speech'],
        ['Non-free audio sample', 'Sound sample of an audio recording'],
        ['Non-free video sample', 'Sample extract from a video'],
        ['Non-free sheet music', 'Sheet music representing a musical piece'],
        ['Non-free comic', 'Panel from a comic, graphic novel, manga etc.'],
        ['Non-free computer icon', 'Computer icon'],
        ['Non-free newspaper image', 'Page from a newspaper'],
        ['Non-free fair use in', 'something else (please describe in description field on top)']
        ],     
      'NFLogoLicense' :
        [
        ['Non-free logo', 'Logo of a company, organization etc.'],
        ['Non-free seal', 'Official seal, coat of arms etc'],
        ['Non-free symbol', 'Other official symbol']
        ],
      'NFMiscLicense' :
        [
        ['Non-free fair use in', 'something else (please describe in description field on top)'],
        ['Non-free historic image', 'Historic photograph'],
        ['Non-free 2D art', '2-dimensional artwork (painting, drawing etc.)'],
        ['Non-free currency', 'Depiction of currency (banknotes, coins etc.)'],
        ['Non-free architectural work', 'Architectural work'],
        ['Non-free 3D art', 'Other 3-dimensional creative work (sculpture etc.)'],
        ['Non-free book cover', 'Cover page of a book'],
        ['Non-free album cover', 'Cover of a sound recording(album, single, song, CD)'],
        ['Non-free game cover', 'Cover of a video/computer game'],
        ['Non-free magazine cover', 'Cover page of a magazine'],
        ['Non-free video cover', 'Cover of a video'],
        ['Non-free software cover', 'Cover of a software product'],
        ['Non-free product cover', 'Cover of some commercial product'],
        ['Non-free title-card', 'Title screen of a TV programme'],
        ['Non-free movie poster', 'Movie poster'],
        ['Non-free poster', 'Official poster of an event'],
        ['Non-free television screenshot', 'Television screenshot'],
        ['Non-free film screenshot', 'Movie screenshot'],
        ['Non-free game screenshot', 'Game screenshot'],
        ['Non-free video screenshot', 'Video screenshot'],
        ['Non-free music video screenshot', 'Music video screenshot'],
        ['Non-free software screenshot', 'Software screenshot'],
        ['Non-free web screenshot', 'Website screenshot'],
        ['Non-free speech', 'Audio excerpt from a speech'],
        ['Non-free audio sample', 'Sound sample of an audio recording'],
        ['Non-free video sample', 'Sample extract from a video'],
        ['Non-free sheet music', 'Sheet music representing a musical piece'],
        ['Non-free comic', 'Panel from a comic, graphic novel, manga etc.'],
        ['Non-free computer icon', 'Computer icon'],
        ['Non-free newspaper image', 'Page from a newspaper'],
        ['Non-free logo', 'Logo of a company, organization etc.'],
        ['Non-free seal', 'Official seal, coat of arms etc'],
        ['Non-free symbol', 'Other official symbol'],
        ['Non-free sports uniform', 'Sports uniform'],
        ['Non-free stamp', 'Stamp']
        ],
      'NFExtraLicense' :
        [
        ['', 'none'],
        ['Crown copyright and other governmental sources'],
        ['Non-free Crown copyright', 'UK Crown Copyright'],
        ['Non-free New Zealand Crown Copyright', 'NZ Crown Copyright'],
        ['Non-free Canadian Crown Copyright', 'Canadian Crown Copyright'],
        ['Non-free AUSPIC', 'AUSPIC (Australian Parliament image database'],
        ['Non-free Philippines government', 'Philippines government'],
        ['Non-free Finnish Defence Forces', 'Finnish Defence Forces'],
        [],
        ['Other individual sources'],
        ['Non-free Denver Public Library', 'Denver Public Library'],
        ['Non-free ESA media', 'ESA (European Space Agency)'],
        [],
        ['Possibly public domain in other countries'],
        ['Non-free Old-50', 'Author died more than 50 years ago.'],
        ['Non-free Old-70', 'Author died more than 70 years ago.'],
        [],
        ['Some permissions granted, but not completely free'],
        ['Non-free promotional', 'From promotional press kit'],
        ['Non-free with NC', 'Permission granted, but only for educational and/or non-commercial purposes'],
        ['Non-free with ND', 'Permission granted, but no derivative works allowed'],
        ['Non-free with permission', 'Permission granted, but only for Wikipedia'],
        []
        ]
  };
  for (var group in licenseLists) {
      fuwMakeSelection(group, licenseLists[group]);
  }
  this.knownCommonsLicenses = {
      'self|GFDL|cc-by-sa-all|migration=redundant' : 1,
      'self|Cc-zero' : 1,
      'PD-self' : 1,
      'self|GFDL|cc-by-sa-3.0|migration=redundant' : 1,
      'self|GFDL|cc-by-3.0|migration=redundant' : 1,
      'self|cc-by-sa-3.0' : 1,
      'cc-by-sa-3.0' : 1,
      'cc-by-sa-2.5' : 1,
      'cc-by-3.0' : 1,
      'cc-by-2.5' : 1,
      'FAL' : 1,
      'PD-old-100' : 1,
      'PD-old' : 1,
      'PD-Art' : 1,
      'PD-US' : 1,
      'PD-USGov' : 1,
      'PD-USGov-NASA' : 1,
      'PD-USGov-Military-Navy' : 1,
      'PD-ineligible' : 1,
      'Attribution' : 1,
      'Copyrighted free use' : 1
  };
  // textfields that don't react directly
  // to user input and are used only for assembling stuff:
  if (fuwTesting) {
      fuwMakeTextfield('SandboxSummary', function(){void(0);});
      fuwMakeTextarea('SandboxText', function(){void(0);});
      fuwGet('SandboxSummary').disabled="disabled";
      fuwGet('SandboxText').disabled="disabled";
      fuwGet('SandboxText').rows = 12;
  }
  // set links to "_blank" target, so we don't accidentally leave the page,
  // because on some browsers that would destroy all the input the user has already entered
  $('.fuwOutLink a').each(function() {
      this.target = '_blank';
  });
  // make main area visible
  fuwSetVisible('UploadScriptArea', true);
}
// ======================================
// end of fuwGlobal constructor function
// ======================================
function fuwRadioClick(e) {
  var ev = e || event;
  var src = ev.target || ev.srcElement;
  //alert('onclick event from ' + src + ' (' + src.value + ')');
  fuwUpdateOptions();
  return true;
}
/*
* =============================================================
* function fuwUpdateOptions
* =============================================================
* This is the onchange event handler for most of the input
* elements in the main form. It changes visibility and disabled
* status for the various sections of the input form in response
* to which options are chosen.
*/
function fuwUpdateOptions() {
  var fuw = window.fuw;
  var warn = fuw.warn;
  var opts = fuw.opts = { };
  opts.InputFilename = $('#TargetForm input#file').val();
  var widgets = fuw.ScriptForm.elements;
  for (i = 0; i < widgets.length; i++) {
      var w = widgets[i];
      if (w.type == "radio") {
        var nm = w.name;
        var id = w.id;
        var vl = w.checked && !w.disabled && fuwIsVisible(w);
        opts[id] = vl;
        if (vl) opts[nm] = id;
      }
      else {
        var id = w.id;
        var active = !w.disabled && fuwIsVisible(w);
        if (active) {
            var value = ((type == 'checkbox') ? w.checked : w.value);
            opts[id] = value;       
        }
      }
  };
  opts.MainOption = opts.FreeOptions || opts.NonFreeOptions;
 
  // some parts of the input form are re-used across sections
  // and must be moved into the currently active input section:
  // minimality section is shared between all NF sections
  fuwMove('NFMinimalitySection', 'detailsNFSubject', (opts.OptionNFSubject)) ||
  fuwMove('NFMinimalitySection', 'detailsNF3D', (opts.OptionNF3D)) ||
  fuwMove('NFMinimalitySection', 'detailsNFExcerpt', (opts.OptionNFExcerpt)) ||
  fuwMove('NFMinimalitySection', 'detailsNFCover', (opts.OptionNFCover)) ||
  fuwMove('NFMinimalitySection', 'detailsNFLogo', (opts.OptionNFLogo)) ||
  fuwMove('NFMinimalitySection', 'detailsNFPortrait', (opts.OptionNFPortrait)) ||
  fuwMove('NFMinimalitySection', 'detailsNFMisc', true);
  // AnyOtherInfo section is shared between all
  fuwMove('AnyOtherInfo', 'detailsOwnWork', opts.OptionOwnWork) ||
  fuwMove('AnyOtherInfo', 'detailsThirdParty', opts.OptionThirdParty) ||
  fuwMove('AnyOtherInfo', 'detailsFreeWebsite', opts.OptionFreeWebsite) ||
  fuwMove('AnyOtherInfo', 'detailsPDOld', opts.OptionPDOld) ||
  fuwMove('AnyOtherInfo', 'detailsPDOther', opts.OptionPDOther) ||
  fuwMove('AnyOtherInfo', 'detailsNFSubject', opts.OptionNFSubject) ||
  fuwMove('AnyOtherInfo', 'detailsNF3D', opts.OptionNF3D) ||
  fuwMove('AnyOtherInfo', 'detailsNFExcerpt', opts.OptionNFExcerpt) ||
  fuwMove('AnyOtherInfo', 'detailsNFCover', opts.OptionNFCover) ||
  fuwMove('AnyOtherInfo', 'detailsNFLogo', opts.OptionNFLogo) ||
  fuwMove('AnyOtherInfo', 'detailsNFPortrait', opts.OptionNFPortrait) ||
  fuwMove('AnyOtherInfo', 'detailsNFMisc', opts.OptionNFMisc);
  // author input field is shared between all sections except "Own Work".
  // (will serve for the immediate/photographic author, in those cases where there
  // are two author fields)
  fuwMove('Author', 'placeholderFreeWebsiteAuthor', (opts.OptionFreeWebsite)) ||
  fuwMove('Author', 'placeholderPDOldAuthor', (opts.OptionPDOld)) ||
  fuwMove('Author', 'placeholderPDOtherAuthor', (opts.OptionPDOther)) ||
  fuwMove('Author', 'placeholderNFSubjectAuthor', (opts.OptionNFSubject)) ||
  fuwMove('Author', 'placeholderNF3DAuthor', (opts.OptionNF3D)) ||
  fuwMove('Author', 'placeholderNFExcerptAuthor', (opts.OptionNFExcerpt)) ||
  fuwMove('Author', 'placeholderNFCoverAuthor', (opts.OptionNFCover)) ||
  fuwMove('Author', 'placeholderNFPortraitAuthor', (opts.OptionNFPortrait)) ||
  fuwMove('Author', 'placeholderNFMiscAuthor', (opts.OptionNFMisc)) ||
  fuwMove('Author', 'placeholderAuthor', true);
  // source input field is shared between all sections except "Own Work".
  // (will serve for immediate/web source, in those cases where there are two
  // source fields involved)
  fuwMove('Source', 'placeholderFreeWebsiteSource', (opts.OptionFreeWebsite)) ||
  fuwMove('Source', 'placeholderPDOldSource', (opts.OptionPDOld)) ||
  fuwMove('Source', 'placeholderPDOtherSource', (opts.OptionPDOther)) ||
  fuwMove('Source', 'placeholderNFSubjectSource', (opts.OptionNFSubject)) ||
  fuwMove('Source', 'placeholderNF3DSource', (opts.OptionNF3D)) ||
  fuwMove('Source', 'placeholderNFExcerptSource', (opts.OptionNFExcerpt)) ||
  fuwMove('Source', 'placeholderNFCoverSource', (opts.OptionNFCover)) ||
  fuwMove('Source', 'placeholderNFLogoSource', (opts.OptionNFLogo)) ||
  fuwMove('Source', 'placeholderNFPortraitSource', (opts.OptionNFPortrait)) ||
  fuwMove('Source', 'placeholderNFMiscSource', (opts.OptionNFMisc)) ||
  fuwMove('Source', 'placeholderSource', true);
  // date input field is shared between all sections except "Logo", which doesn't need it.
  // will serve for derived/photographic date in the case of 3D items
  fuwMove('Date', 'placeholderFreeWebsiteDate', (opts.OptionFreeWebsite)) ||
  fuwMove('Date', 'placeholderThirdPartyDate', (opts.OptionThirdParty)) ||
  fuwMove('Date', 'placeholderPDOldDate', (opts.OptionPDOld)) ||
  fuwMove('Date', 'placeholderPDOtherDate', (opts.OptionPDOther)) ||
  fuwMove('Date', 'placeholderNFSubjectDate', (opts.OptionNFSubject)) ||
  fuwMove('Date', 'placeholderNF3DDate', (opts.OptionNF3D)) ||
  fuwMove('Date', 'placeholderNFExcerptDate', (opts.OptionNFExcerpt)) ||
  fuwMove('Date', 'placeholderNFCoverDate', (opts.OptionNFCover)) ||
  fuwMove('Date', 'placeholderNFPortraitDate', (opts.OptionNFPortrait)) ||
  fuwMove('Date', 'placeholderNFMiscDate', (opts.OptionNFMisc)) ||
  fuwMove('Date', 'placeholderDate', true);
 
  // permission field is shared between ThirdParty and FreeWebsite sections
  fuwMove('Permission', 'placeholderFreeWebsitePermission', (opts.OptionFreeWebsite)) ||
  fuwMove('Permission', 'placeholderPermission', true);
  // publication field is shared between PDOld, NFPortrait and NFMisc
  fuwMove('Publication', 'placeholderNFPortraitPublication', (opts.OptionNFPortrait)) ||
  fuwMove('Publication', 'placeholderNFMiscPublication', (opts.OptionNFMisc)) ||
  fuwMove('Publication', 'placeholderPublication', true);
  // Purpose, Commercial, Replaceable and ReplaceableText FUR fields are shared
  // between some but not all of the non-free sections
  fuwMove('NFPurpose', 'placeholderNFExcerptPurpose', (opts.OptionNFExcerpt)) ||
  fuwMove('NFPurpose', 'placeholderNFPurpose');
  fuwMove('NFCommercial', 'placeholderNFPortraitCommercial', (opts.OptionNFPortrait)) ||
  fuwMove('NFCommercial', 'placeholderNFCommercial');
  fuwMove('NFReplaceable', 'placeholderNFPortraitReplaceable', (opts.OptionNFPortrait)) ||
  fuwMove('NFReplaceable', 'placeholderNFReplaceable');
  fuwMove('NFReplaceableText', 'placeholderNFExcerptReplaceable', (opts.OptionNFExcerpt)) ||
  fuwMove('NFReplaceableText', 'placeholderNFReplaceableText', true);
  // submit button goes to Step1 if user has chosen a plain overwrite of an existing file,
  // and to the active section of Step3 if otherwise
  fuwMove('fuwSubmit', 'UploadScriptStep1', (warn.ImageExists && opts.OverwriteSame)) ||
  fuwMove('fuwSubmit', 'detailsOwnWork', opts.OptionOwnWork) ||
  fuwMove('fuwSubmit', 'detailsThirdParty', opts.OptionThirdParty) ||
  fuwMove('fuwSubmit', 'detailsFreeWebsite', opts.OptionFreeWebsite) ||
  fuwMove('fuwSubmit', 'detailsPDOld', opts.OptionPDOld) ||
  fuwMove('fuwSubmit', 'detailsPDOther', opts.OptionPDOther) ||
  fuwMove('fuwSubmit', 'detailsNFSubject', opts.OptionNFSubject) ||
  fuwMove('fuwSubmit', 'detailsNF3D', opts.OptionNF3D) ||
  fuwMove('fuwSubmit', 'detailsNFExcerpt', opts.OptionNFExcerpt) ||
  fuwMove('fuwSubmit', 'detailsNFCover', opts.OptionNFCover) ||
  fuwMove('fuwSubmit', 'detailsNFLogo', opts.OptionNFLogo) ||
  fuwMove('fuwSubmit', 'detailsNFPortrait', opts.OptionNFPortrait) ||
  fuwMove('fuwSubmit', 'fuwSubmitHost', true);
  // Show and hide warnings:
  // filename-related warnings:
  fuwSetVisible('warningIllegalChars', warn.IllegalChars);
  fuwSetVisible('warningBadFilename',  warn.BadFilename);
  fuwSetVisible('warningImageOnCommons', warn.ImageOnCommons);
  fuwSetVisible('warningImageExists', warn.ImageExists);
  fuwMove('warningImageThumb', 'warningImageOnCommons', warn.ImageOnCommons, true) ||
  fuwMove('warningImageThumb', 'warningImageExists', true, true);
  // notices related to the top-level options:
  fuwSetVisible('warningWhyNotCommons', opts.OptionFree);
  fuwSetVisible('warningNF', opts.OptionNonFree);
  fuwSetVisible('warningNoGood', opts.OptionNoGood);
  // warnings related to non-free "used in" article
  fuwSetVisible('warningNFArticleNotFound', warn.NFArticleNotFound);
  fuwSetVisible('warningNFArticleNotMainspace', warn.NFArticleNotMainspace);
  fuwSetVisible('warningUserspaceDraft', warn.UserspaceDraft);
  fuwSetVisible('warningNFArticleDab', warn.NFArticleDab);
  fuwSetVisible('NFArticleOK', warn.NFArticleOK);
  // warnings depending on user status:
  if (fuw.userStatus.match(/problem|newbie|notAutoconfirmed/)) {
      fuwSetVisible('warningFreeWebsite', opts.OptionFreeWebsite);
      fuwSetVisible('warningOwnWork', opts.OptionOwnWork);
      fuwSetVisible('warningPDOther', opts.OptionPDOther);
      fuwSetVisible('warningNFSubject', opts.OptionNFSubject);
  }
  // hide main sections in case of intended plain overwrite: 
  fuwSetVisible('UploadScriptStep2', !(warn.ImageExists && opts.OverwriteSame));
  fuwSetVisible('UploadScriptStep3', !(warn.ImageExists && opts.OverwriteSame));
  // show/hide top-level options
  fuwSetVisible('detailsFreeStatus', opts.OptionFree);
  fuwSetVisible('sendToCommons', opts.OptionFree);
  // show/hide details sections
  fuwSetVisible('detailsNFArticle', opts.OptionNonFree);
  fuwSetVisible('detailsNFWorkType', opts.OptionNonFree);
  fuwSetVisible('detailsOwnWork', opts.OptionOwnWork);
  fuwSetVisible('detailsThirdParty', opts.OptionThirdParty);
  fuwSetVisible('detailsFreeWebsite', opts.OptionFreeWebsite);
  fuwSetVisible('detailsPDOld', opts.OptionPDOld);
  fuwSetVisible('detailsPDOther', opts.OptionPDOther);
  fuwSetVisible('detailsNFSubject', opts.OptionNFSubject);
  fuwSetVisible('detailsNF3D', opts.OptionNF3D);
  fuwSetVisible('detailsNFExcerpt', opts.OptionNFExcerpt);
  fuwSetVisible('detailsNFCover', opts.OptionNFCover);
  fuwSetVisible('detailsNFLogo', opts.OptionNFLogo);
  fuwSetVisible('detailsNFPortrait', opts.OptionNFPortrait);
  fuwSetVisible('detailsNFMisc', opts.OptionNFMisc);
  fuwSetVisible('EditSummaryDiv', opts.OverwriteSame || opts.OverwriteDifferent);
  // set enabled/disabled
  // It might be useful to adapt this to be more liberal about
  // the order of input, at least for experienced users.
  //fuwSetEnabled('Artist3D', opts.PD3D);
  //fuwSetEnabled('Country3D', opts.FOP3D);
  fuwSetEnabled('ThirdPartyEvidenceLink', opts.ThirdPartyEvidenceOptionLink);
  fuwSetEnabled('ThirdPartyOTRSTicket', opts.ThirdPartyEvidenceOptionOTRS);
  fuwSetEnabled('NFSubjectPurpose', opts.NFSubjectCheckDiscussed);
  fuwSetEnabled('NF3DPurpose', opts.NF3DCheckDiscussed);
  fuwSetEnabled('NF3DPermission', opts.NF3DOptionFree);
  fuwSetEnabled('USGovLicense', opts.PDOtherUSGov);
  fuwSetEnabled('PDOfficialPermission', opts.PDOtherOfficial);
  fuwSetEnabled('IneligibleLicense', opts.PDOtherSimple);
  fuwSetEnabled('PDOtherPermission', opts.PDOtherOther);
  fuwSetEnabled('AnyOther', true);
  // need to re-collect the remaining (non-radiobutton) input into the opts object again,
  // preparing for validation:
  for (i = 0; i < widgets.length; i++) {
      var w = widgets[i];
      var type = w.type;
      if (type != "radio") {
        var id = w.id;
        var active = !w.disabled && fuwIsVisible(w);
        if (active) {
            var value = ((type == 'checkbox') ? w.checked : w.value);
            opts[id] = value;       
        }
      }
  };
  // final step of validation: check if input is sufficient for
  // setting the submit buttons active
  var valid = fuw.validateInput();
  var validForCommons = valid && opts.OptionFree && !(opts.OverwriteSame || opts.OverwriteDifferent)
        && !opts.ThirdPartyEvidenceOptionNone;
  fuwSetVisible('sendToCommons', opts.OptionFree);
  fuwSetEnabled('CommonsButton', validForCommons);
  fuwGet('fuwSubmitText').innerHTML = opts.OptionFree ?
        ("<b>No</b>, I want to upload this file here on this wiki only.<br/>" +
          "<small>This way it can be used only on the English Wikipedia. However, somebody " +
          "else might still decide to copy it to Commons or use it elsewhere later. If you " +
          "do not want your file to be copied to Commons and deleted locally, consider adding " +
          "{{tl|Keep local}}.</small>") :
        "Upload this file.";
  fuwGet('SubmitButton').value = validForCommons ? "Upload locally" : "Upload"; 
  fuwSetEnabled('EditSummary', true);
  fuwSetEnabled('SubmitButton', valid && (fuw.userStatus != 'notAutoconfirmed'));
  if (fuwTesting) {
      fuwSetEnabled('SandboxButton', valid);
  }
  // if we're in testing mode, update the Sandbox display fields
  // after each input change. In normal mode, collectInput() will
  // only be needed on submit.
  if (fuwTesting) {
      fuw.collectInput();
      fuw.formatOutput(false);
      fuwSetVisible('placeholderTestForm', true);
  } 
}
// ============================================================
// methods of the global fuw object
// ============================================================
// ============================================================
// report validation status of filename information
// ============================================================
// This is called from within fuw.validateInput(), i.e. every
// time anything in the whole form is changed. It only reports
// results that have previously been cached in the opts and warn
// objects. The actual checking is done in the event handler
// of the file input boxes.
fuwGlobal.prototype.hasValidFilename = function() {
  var opts = this.opts;
  var warn = this.warn;
  var valid = 
      opts.InputName &&
      opts.InputFilename &&
      !warn.BadFilename &&
      !warn.ImageOnCommons &&
      // if image exists on enwiki, accept only if user has confirmed overwrite:
      !(warn.ImageExists && !(opts.OverwriteSame || opts.OverwriteDifferent));
  //alert("HasValidFilename: " + valid);
  return valid;
};
// ============================================================
// validation status for common input elements for all free
// options
// ============================================================
fuwGlobal.prototype.hasValidCommonFreeInput = function() {
  var opts = this.opts;
  var warn = this.warn;
  var valid = opts.InputDesc;
  //alert("HasValidCommonFreeInput: " + valid);
  return valid;
};
// ============================================================
// validation status for common input elements for all non-free
// options
// ============================================================
fuwGlobal.prototype.hasValidCommonNFInput = function() {
  var opts = this.opts;
  var warn = this.warn;
  var valid =
      opts.OptionNonFree &&
      opts.InputDesc &&
      opts.NFArticle &&
      opts.Source &&
      opts.NFMinimality &&
      !warn.NFArticleNotFound &&
      !warn.NFArticleNotMainspace &&
      !warn.NFArticleDab;
  //alert("hasValidCommonNFInput: " + valid);
  return valid;
};
// ============================================================
// Main validation routine. Modify this to tweak which fields
// are to be considered obligatory for each case group
// ============================================================
fuwGlobal.prototype.validateInput = function() {
  var opts = this.opts;
  var warn = this.warn;
  var valid = (
      this.hasValidFilename()
      &&
      (! (opts.OverwriteDifferent && ! opts.EditSummary))
      &&
      (
      ( // overwriting is okay if there is an edit summary
        opts.OverwriteSame && opts.EditSummary
      )
      ||
      ( // free options
        this.hasValidCommonFreeInput() &&
        (
          (opts.OptionOwnWork &&
          opts.Date &&
          opts.OwnWorkLicense)
          ||
          (opts.OptionThirdParty &&
          opts.Author &&
          opts.Source &&
          opts.Permission &&
          (opts.ThirdPartyOtherLicense || opts.ThirdPartyLicense) &&
          ((opts.ThirdPartyEvidenceOptionLink && opts.ThirdPartyEvidenceLink) ||
            opts.ThirdPartyEvidenceOptionOTRS ||
            opts.ThirdPartyEvidenceOptionOTRSForthcoming ||
            opts.ThirdPartyEvidenceOptionNone))
          ||
          (opts.OptionFreeWebsite &&
          opts.Author &&
          opts.Source &&
          (opts.FreeWebsiteOtherLicense || opts.FreeWebsiteLicense) &&
          opts.Permission)
          ||
          (opts.OptionPDOld &&
          opts.Author &&
          opts.PDOldAuthorLifetime &&
          opts.Publication &&
          opts.Date &&
          opts.Source &&
          opts.PDOldOptions &&
          (! (opts.PDOldOther && ! opts.PDOldPermission)))
          ||
          (opts.OptionPDOther &&
          opts.Author &&
          opts.Source &&
          ((opts.PDOtherUSGov && opts.USGovLicense) ||
            (opts.PDOtherOfficial && opts.PDOfficialPermission) ||
            (opts.PDOtherSimple && opts.IneligibleLicense) ||
            (opts.PDOtherOther && opts.PDOtherPermission)))
        )
      ) // end of free options
      ||
      ( // non-free options
        this.hasValidCommonNFInput() &&
        (
          (opts.OptionNFSubject &&
          opts.NFSubjectLicense &&
          opts.Author &&
          (opts.NFSubjectCheckDedicated ||
          (opts.NFSubjectCheckDiscussed && opts.NFSubjectPurpose)))
          ||
          (opts.OptionNF3D &&
          opts.NF3DLicense &&
          opts.NF3DCreator &&
          opts.Author &&
          (opts.NF3DOptionSame ||
          (opts.NF3DOptionFree || opts.NF3DPermission)) &&
          (opts.NF3DCheckDedicated ||
            (opts.NF3DCheckDiscussed && opts.NF3DPurpose)))
          ||
          (opts.OptionNFExcerpt &&
          opts.NFExcerptLicense &&
          opts.Author &&
          opts.NFPurpose)
          ||
          (opts.OptionNFCover &&
          opts.NFCoverLicense &&
          opts.Author &&
          opts.NFCoverCheckDedicated
          )
          ||
          (opts.OptionNFLogo &&
          opts.NFLogoLicense &&
          opts.NFLogoCheckDedicated
          )
          ||
          (opts.OptionNFPortrait &&
          opts.Publication &&
          opts.NFPortraitDeceased &&
          opts.Author &&
          opts.NFPortraitCheckDedicated &&
          opts.NFReplaceable &&
          opts.NFCommercial)
          ||
          (opts.OptionNFMisc &&
          opts.NFMiscLicense &&
          opts.Author &&
          opts.Publication &&
          opts.NFPurpose &&
          opts.NFReplaceableText &&
          opts.NFReplaceable &&
          opts.NFCommercial)
        )
      ) // end of non-free options
      )
  );
  return valid;
};
// =============================================================
// return which template name will be used as the main
// description template
// =============================================================
fuwGlobal.prototype.getDescriptionTemplateName = function() {
  // standard "Information" template for free files:
  if (this.opts.OptionFree) return "Information";
  // experimental new version of fair-use rationale template,
  // designed to fit the fields used in the wizard
  else if (this.opts.OptionNonFree) return "Non-free use rationale 2";
  return undefined;
};
// =============================================================
// get the license tag code from the appropriate input element
// =============================================================
fuwGlobal.prototype.getStandardLicense = function() {
  var opts = this.opts;
 
}
fuwGlobal.prototype.getLicense = function() {
  var opts = this.opts;
      // ThirdParty and FreeWebsite have alternative input fields
      // for manual entry of other licenses:
  var license = {};
  if (opts.PDOtherOther || opts.PDOldOther) {
      license.special = opts.PDOtherOther ? opts.PDOtherPermission : opts.PDOldPermission;
      if (! (license.special.match(/^\s*\{\{.+\}\}\s*$/))) {
        license.special = '{{PD-because|' + license.special + '}}';
      }
  }
  else {
      license.special =
        opts.ThirdPartyOtherLicense ||
        opts.FreeWebsiteOtherLicense ||
        (opts.PDOtherOfficial ? ('{{PD-because|official item legally exempt from copyright in its country of origin}}') : null) ||
        (opts.OptionNFPortrait ? ('{{Non-free biog-pic|' + opts.NFArticle + '}}') : null);
  } 
  if (! license.special) {
      // standard, non-parametrized tag licenses from dropdownbox.
      var simpleLicense = (opts.OptionOwnWork ? opts.OwnWorkLicense : null) ||
          (opts.OptionThirdParty ? opts.ThirdPartyLicense : null) ||
          (opts.OptionFreeWebsite ? opts.FreeWebsiteLicense : null) ||
          (opts.OptionNFSubject ? opts.NFSubjectLicense : null) ||
          (opts.OptionNF3D ? opts.NF3DLicense : null) ||
          (opts.OptionNFExcerpt ? opts.NFExcerptLicense : null) ||
          (opts.OptionNFCover ? opts.NFCoverLicense : null) ||
          (opts.OptionNFLogo ? opts.NFLogoLicense : null) ||
          (opts.OptionNFMisc ? opts.NFMiscLicense : null) ||
          (opts.PDOtherUSGov ? opts.USGovLicense : null) ||
          (opts.PDOtherSimple ? opts.IneligibleLicense : null) ||
          (opts.PDUS1923 ? 'PD-US-1923' : null) ||
          (opts.PDURAA  ? 'PD-URAA' : null) ||
          (opts.PDFormality ? 'PD-US' : null);
      // "PD-author" needs parameter, at least on Commons
      if (simpleLicense == 'PD-author') {
          license.special = '{{PD-author|' + opts.Author + '}}';
      }
      else if (this.knownCommonsLicenses[simpleLicense]) {
      // make sure we send only those licenses as "standard" licenses
      // that exist in the Commons license dropdown box
          license.standard = simpleLicense;
      }
      else {
          license.special = '\{\{' + simpleLicense + '\}\}';
      }
  }
  return license;
};
function fuwSubst(template) {
  return '{{subst:' + template + '}}';
}
// ===================================================================
// Produce code for local tracking categories
// ===================================================================
fuwGlobal.prototype.getTrackingCategory = function() {
  var opts = this.opts;
  var cat = "";
  if (opts.OptionFreeWebsite) { cat = "Files from freely licensed external sources"; }
  else if (opts.OptionThirdParty) { cat = "Files licensed by third parties"; }
  else if (opts.PDOtherOther || opts.PDOldOther) { cat = "Files with non-standard public domain statements"; }
  else if (opts.OptionNFSubject || opts.OptionNF3D) { cat = "Non-free files uploaded as object of commentary"; }
  if (cat) {
      cat = "\n\{\{Category ordered by date|" + cat + "|" +
      fuwSubst("CURRENTYEAR") + "|" + fuwSubst("CURRENTMONTH") + "|" + fuwSubst("CURRENTDAY2") + "\}\}";
  }
  return cat;
};
// ===================================================================
// Get or create an edit summary for the upload
// ===================================================================
// Note: if we work with the api.php interface, we can have separate
// data for the edit summary and the description page, which is far
// better than the way the index.php interface does it.
// TO DO: need to actually define an input element for a manually
// entered edit summary. Must be obligatory when overwriting files.
// In other cases we'll use an automatic edit summary.
// ===================================================================
fuwGlobal.prototype.getEditSummary = function() {
  var opts = this.opts;
  return (
      (opts.EditSummary ? (opts.EditSummary + ' ([[' + mw.config.get('wgPageName') + '|File Upload Wizard]])') : null)||
      ("Uploading " +
      (
        (opts.OptionOwnWork ? 'a self-made file ' : false) ||
        (opts.OptionThirdParty ? 'a free file from somebody else ' : false) ||
        (opts.OptionFreeWebsite ? 'a file from a free published source ' : false) ||
        (opts.OptionPDOld      ? 'an old public-domain work ' : false) ||
        (opts.OptionPDOther    ? 'a public-domain item ' : false) ||
        (opts.OptionNFSubject  ? 'a non-free work, as object of commentary ' : false) ||
        (opts.OptionNF3D        ? 'a depiction of a non-free 3D artwork ' : false) ||
        (opts.OptionNFExcerpt  ? 'an excerpt from a non-free work ' : false) ||
        (opts.OptionNFCover    ? 'a piece of non-free cover art ' : false) ||
        (opts.OptionNFLogo      ? 'a non-free logo ' : false) ||
        (opts.OptionNFPortrait    ? 'a non-free historic portrait ' : false) ||
        (opts.OptionNFMisc      ? 'a non-free file ' : "")
      )
      +
      ("using [[" + mw.config.get('wgPageName') + "|File Upload Wizard]]")
      ));
};
function fuwPackInfo(text, forCommons) {
  if (forCommons) {
      // reformat wikilinks embedded in description fields to adapt them for Commons
      text = text.replace(/\[\[([^\]]+)\]\]/g,
        function(str, p1, offset, s) {
            // mark File links as local
            if (p1.match(/^:(File|Image):/)) {
              return "[[:en" + p1 + "]]";
            }     
            // leave prefixed links unchanged:
            else if (p1.match(/^:[\w\-]+:/)) {
              return str;
            }
            // if the link is piped, add a prefix only
            else if (p1.match(/.+\|/)) {
              return "[[:en:" + p1 + "]]";
            }
            // introduce a pipe
            else {
              return "[[:en:" + p1 + "|" + p1 + "]]";
            }
        }
      );
      return "{{en|" + text + "}}";
  } else return text;
}
// ================================================================
// This is the main method called by the event handler for the
// (experimental) submit button. Its main task is to collect the
// input into a single string of wikitext for the description page.
// ================================================================
fuwGlobal.prototype.collectInput = function() {
  var opts = this.opts;
  // object representing template fields for filling in
  // the description template. Pre-loaded with some
  // standard settings:
  var descFields = this.descFields = {
      'Description' : opts.InputDesc,
      'Author'      : opts.Author,
      'Date'        : opts.Date,
      'Source'      : opts.Source
  };
  // "other information" (outside the template)
  this.otherInfo = null;
 
  if (opts.OptionNonFree) {
      descFields.Article = opts.NFArticle;
  }
 
  // add/modify option-specific fields:
  switch (opts.MainOption) {
      case 'OptionOwnWork':
     
        // use standard "source" field for optional "how created?" and
        // "previously published" input fields.
        descFields.Source = fuwAppendLines([
            (opts.OwnWorkCreation || "{{own}}"),
            "<br/>\n",
            fuwSurroundString("'''Previously published:''' ", opts.OwnWorkPublication)]);
        var username = mw.user.getName();
        descFields.Author = '[[User:' + username + '|' + username + ']]';
        break;
      case 'OptionThirdParty':
     
        // use standard "permission" field for a compilation of the
        // "permission" input field and the various "evidence" options
        var evidence = (
            opts.ThirdPartyEvidenceOptionLink ?
              ("The license statement can be found online at: " + opts.ThirdPartyEvidenceLink) :
              (opts.ThirdPartyEvidenceOptionOTRS ?
              ("The license agreement has been forwarded to OTRS." +
                  fuwSurroundString(" Ticket: ", opts.ThirdPartyOTRSTicket) + "\{\{OTRS pending|year=" + fuwSubst("CURRENTYEAR") +
                                                                              "|month=" + fuwSubst("CURRENTMONTH") +
                                                                              "|day=" + fuwSubst("CURRENTDAY2") + "\}\}") :
              (opts.ThirdPartyEvidenceOptionOTRSForthcoming ?
              "The license agreement will be forwarded to OTRS shortly. \{\{OTRS pending|year=" + fuwSubst("CURRENTYEAR") +
                                                                              "|month=" + fuwSubst("CURRENTMONTH") +
                                                                              "|day=" + fuwSubst("CURRENTDAY2") + "\}\}" :
              (opts.ThirdPartyEvidenceOptionNone ?
              "Will be provided on request." : null))));
        descFields.Permission = fuwAppendLines([
            opts.ThirdPartyPermission,
            "<br/>\n",
            fuwSurroundString("'''Evidence:''' ", evidence)]);
        break;
       
      case 'OptionFreeWebsite':
        descFields.Permission = opts.Permission;
        break;
       
      case 'OptionPDOld':
        // add "lifetime" input to "author" field
        descFields.Author = fuwAppendLines([
            opts.Author,
            "<br/>\n",
            fuwSurroundString("(Life time: ", opts.PDOldAuthorLifetime, ")")
        ]);
       
        // combine original and direct source into standard "source" field:
        descFields.Source = fuwAppendLines([
            fuwSurroundString("'''Original publication''': ", opts.Publication),
            "<br/>\n",
            fuwSurroundString("'''Immediate source''': ", opts.Source)
        ]);
       
        // no standard tag available for "lack-of-registration" PD-US. Need
        // to put this into the "permission" field
        if (opts.PDFormality)
            descFields.Permission =
              "Copyright expired because the work was published without a copyright " +
              "notice and/or without the necessary copyright registration.";
     
        // add optional "explanation" input to "permission" field
        if (opts.PDOldPermission) {
            descFields.Permission = fuwAppendLines([
              descFields.Permission,
              "\n\n",
              opts.PDOldPermission
            ]);
        }
        break;
       
      case 'OptionPDOther':
        // Need "permission" field in case of "official item" option
        if (opts.PDOtherOfficial)
            descFields.Permission = opts.PDOfficialPermission;
        break;
      case 'OptionNFSubject':
        // most FUR elements can be automatically provided:
        descFields.Purpose = (
            opts.NFSubjectCheckDedicated ?
            ("For visual identification of the object of the article. " +
              "The article as a whole is dedicated specifically to a discussion of this work.") :
            (opts.NFSubjectCheckDiscussed ?
            ("To support encyclopedic discussion of this work in this article. " +
              "The illustration is specifically needed to support the following point(s): " +
              "<br/>\n" + opts.NFSubjectPurpose) : null)
        );
        // I hate FURs filled with trivial/predictable/redundant verbiage,
        // so we'll just cut it short. And don't anybody dare complain that
        // that's not a valid FUR.
        descFields.Replaceability = "n.a.";
        descFields.Commercial    = "n.a.";
        break;
      case 'OptionNF3D':
        // complex case: we need to assemble attribution and FUR both for the
        // original 3D work and for the photographic depiction. Both might be
        // non-free.
        descFields.Author = fuwAppendLines([
            fuwSurroundString("'''Original work:''' ", opts.NF3DCreator),
            "<br/>\n",
            fuwSurroundString("'''Depiction:''' ", opts.Author)
        ]);
        descFields.Date = fuwAppendLines([
            fuwSurroundString("'''Original work:''' ", opts.NF3DOrigDate),
            "<br/>\n",
            fuwSurroundString("'''Depiction:''' ", opts.Date)
        ]);
        descFields.Purpose = (
            opts.NF3DCheckDedicated ?
            ("For visual identification of the object of the article. " +
              "The article as a whole is dedicated specifically to a discussion of this work.") :
            (opts.NF3DCheckDiscussed ?
            ("To support encyclopedic discussion of this work in this article. " +
              "The illustration is specifically needed to support the following point(s): " +
              "<br/>\n" + opts.NF3DPurpose) : null)
        );
        descFields.Replaceability = "n.a.";
        descFields.Commercial    = "n.a.";
        descFields["Other information"] = (
            opts.NF3DOptionSame ?
            ("The image was created and published by the same author who also " +
            "holds the rights to the original object, and no alternative depiction " +
            "could be suitably created.") :
            ("The author of the image has released the photographic work under a " +
            "free license, or it is in the public domain: " + opts.NF3DPermission)
        );
        break;
       
      case 'OptionNFExcerpt':
        // FURs for screenshots etc. don't normally need to bother
        // about replaceability (with free images) and with commercial role,
        // but do need to bother about purpose and about replaceability with text.
        descFields.Purpose        = opts.NFPurpose;
        descFields.Replaceability_text = opts.NFReplaceableText;
        descFields.Replaceability = "n.a.";
        descFields.Commercial    = "n.a.";
        break;
       
      case 'OptionNFCover':
        // cover art gets standard rationales.
        descFields.Purpose =
            "to serve as the primary means of visual identification " +
            "at the top of the article dedicated to the work in question.";
        descFields.Replaceability = "n.a.";
        descFields.Commercial    = "n.a.";
        break;
      case 'OptionNFLogo':
        // logos get standard rationales.
        descFields.Purpose =
            "to serve as the primary means of visual identification " +
            "at the top of the article dedicated to the entity in question.";
        descFields.Replaceability = "n.a.";
        descFields.Commercial    = "n.a.";
        break;
      case 'OptionNFPortrait':
        // as with other historic photographs, it is useful to have both
        // original publication and direct source
        descFields.Source = fuwAppendLines([
            fuwSurroundString("'''Original publication''': ", opts.Publication),
            "<br/>\n",
            fuwSurroundString("'''Immediate source''': ", opts.Source)
        ]); 
        descFields.Purpose =
            "for visual identification of the person in question, " +
            "at the top of his/her biographical article";
        descFields.Replaceability = opts.NFReplaceable;
        descFields.Commercial = opts.NFCommercial;
        descFields['Other information'] =
            "The subject of the photograph has been deceased since: " + opts.NFPortraitDeceased;
        break;
       
      case 'OptionNFMisc':
        descFields.Source = fuwAppendLines([
            fuwSurroundString(
              "'''Original publication''': ",
              opts.Publication,
              "<br/>\n'''Immediate source:''' "),
            "",
            opts.Source
        ]); 
        descFields.Purpose = opts.NFPurpose;
        descFields.Replaceability = opts.NFReplaceable;
        descFields.Replaceability_text = opts.NFReplaceable_text;
        descFields.Commercial = opts.NFCommercial;
        break;   
  };
  if (opts.OptionNonFree) {
      // common stuff for all non-free files:
     
      // Minimality field (same for all NF options):
      descFields.Minimality = opts.NFMinimality;
     
      // append optional "extra license" selector and "AnyOther" fields
      // to "Other information" field:
      descFields['Other information'] = fuwAppendLines([
        descFields['Other information'],
        "<br/>\n",
        fuwSurroundString('\{\{', opts.NFExtraLicense, '\}\}'),
        "<br/>\n",
        opts.AnyOther
      ]);
  }
  else {
      // common stuff for all free files:
      descFields.Other_versions = ''
      this.otherInfo = fuwAppendLines([this.otherInfo, "\n\n", opts.AnyOther]);
 
  }
};
fuwGlobal.prototype.formatOutput = function(forCommons) {
  var baseForm = this.ScriptForm;
  var targetForm = this.TargetForm;
  if (fuwTesting) {
      var testForm  = this.TestForm;
  }
  var opts = this.opts;
  var otherInfo = this.otherInfo;
  var descFields = this.descFields;
  var summary = "{{" + this.getDescriptionTemplateName();
  // assemble all fields into the wikitext of the description page:
  var fieldOrder = [
      'Source', 'Date', 'Author', 'Permission', 'Other_versions',
      'Article', 'Purpose', 'Replaceability', 'Replaceability_text',
      'Minimality', 'Commercial', 'Other information'
  ];
  summary += "\n|Description = " + fuwPackInfo(descFields['Description'], forCommons);
  for (var i = 0; i < fieldOrder.length; i++) {
      if (descFields[fieldOrder[i]]) {
        summary += "\n|" + fieldOrder[i] + " = " + descFields[fieldOrder[i]];
      }
  }
  summary += "\n}}\n";
  if (otherInfo) {
      summary += "\n;Other information:\n" + fuwPackInfo(otherInfo, forCommons) + "\n";
  }
  var editSummary = this.getEditSummary();
 
  var license = this.getLicense();
 
  if (forCommons) {
      // pack our description info into an url pointing to the
      // standard Commons Special:Upload
      // with pre-loaded description fields
      summary = fuwSubst("Upload marker added by en.wp UW") + "\n" + summary;
      summary = summary.replace(/\{\{OTRS pending\}\}/g, fuwSubst("OP"));
      if (license.special) {
        // manually format the whole description page including the license tag, if it
        // isn't one of the bare standard licenses in the dropdown box. Otherwise,
        // submit description summary and license as two separate url parameters.
        summary = summary + "\n\n" + license.special;
      }
      return ('https://commons.wikimedia.org/w/index.php' +
        "?title=Special:Upload" +
        "&wpUploadDescription=" +
        encodeURIComponent(summary) +
        (license.standard ?
          ("&wpLicense=" + encodeURIComponent(license.standard)) : '') +
        "&wpDestFile=" +
        encodeURIComponent(opts.InputName));
  }
  else {
      // pack all description into a single "text" parameter to be submitted
      // to the local api.php upload.
      summary = "==Summary==\n" +
        summary +
        "\n==Licensing==\n" +
        (license.standard ? ("\{\{" + license.standard + "\}\}") : license.special) +
        this.getTrackingCategory();
       
      if (fuwTesting) {
        // Testing mode: show our data in the dummy form
        // at the bottom of the page.
        fuwGet('placeholderSandboxFilename').innerHTML = opts.InputName;
        this.TestForm.SandboxSummary.value = editSummary;
        this.TestForm.SandboxText.value = summary;
        fuwSetVisible('placeholderTestForm', true);
      }
      // write output parameters into target form
      // I can't believe IE7 is too stupid to simply understand "this.TargetForm.filename.value".
      ($('#TargetForm [name="filename"]')[0]).value = opts.InputName;
      ($('#TargetForm [name="text"]'    )[0]).value = summary;
      ($('#TargetForm [name="comment"]' )[0]).value = editSummary;
      ($('#TargetForm [name="token"]'  )[0]).value = mw.user.tokens.get('csrfToken');
  }
 
};
function fuwHasUserGroup(group) {
  // workaround because old IE versions don't have array.indexOf :-(
  for (i = 0; i < mw.config.get('wgUserGroups').length; i++) {
      if (mw.config.get('wgUserGroups')[i] == group) {
        return true;
      }
  }
  return false
}
fuwGlobal.prototype.getUserStatus = function() {
  // function to determine the experience status and userrights of the current user:
  // 'anon': not logged in; can't use script.
  // 'notAutoconfirmed': can't use local upload, but may use script to prepare upload for Commons
  // 'newbie': autoconfirmed but editcount < 100
  //    (may be used in future to adapt instructions more to newbie needs)
  // 'problem': autoconfirmed but has 3 or more image-related warnings or deletion notifications among recent user talk entries
  //    (may be used in future to produce more strongly worded instructions)
  // 'autoconfirmed': regular user
  // 'sysop'
  if (mw.config.get('wgUserName')) {
      if (fuwHasUserGroup('sysop')) {
        this.userStatus = 'sysop';
      }
      else if (fuwHasUserGroup('autoconfirmed') || fuwHasUserGroup('confirmed')) {
        this.userStatus = 'autoconfirmed';
        $.ajax({
            url    : mw.util.wikiScript( 'api' ),
            type    : 'GET',
            dataType: 'xml',
            traditional : true,
            data:  {
                    format: 'xml',
                    action: 'query',
                    meta  : 'userinfo',
                    uiprop: 'editcount',
                    prop  : 'revisions',
                    titles: 'User talk' + mw.config.get('wgUserName'),
                    rvprop: 'comment|user',
                    rvlimit: 30
                    },     
            success: function(data) {
            // callback func   
              var fuw = window.fuw;
              if (data) {
                  var ui = data.getElementsByTagName('userinfo');
                  if (ui) {
                    var editcount = ui[0].getAttribute('editcount');
                    if (editcount < 100) {
                        fuw.userStatus = 'newbie';
                    }
                  }
                  var revs = data.getElementsByTagName('rev');
                  var countWarn = 0;
                  for (i = 0; i < revs.length; i++) {
                    var rev = revs[i];
                    var usr = rev.getAttribute('user');
                    var cmt = rev.getAttribute('comment');
                    if ((usr == 'ImageTaggingBot') ||
                        (cmt.search(/(tagging for deletion of \[\[File)|(Uploading files missing)|(File (source and )?copyright licensing problem)|(Speedy deletion nomination of \[\[File)|(Notification: listing at \[\[possibly unfree files)/) >= 0)) {
                        countWarn += 1; 
                    }
                  }
                  if (countWarn >= 3) {
                    fuw.userStatus = 'problem';
                  }
              }
            }
        });
      }
      else {
        this.userStatus = 'notAutoconfirmed';
      }
  }
  else {
      this.userStatus = 'anon';
  }
};
// ==================================================================
// functions for building form elements
// ==================================================================
fuwMakeRadiobutton = function(group, option, checked, event) {
  // Stupid IE7 doesn't get "value" attribute unless it's created in this convoluted way.
  // Annoying. 
  var node = $('<input type="radio" id="' + option + '" name="' + group + '" value="' + option + '"></input>')[0];
  if (checked) node.checked = true;
  node.onclick = event || fuwRadioClick;
  node.onclick = event || fuwRadioClick;
  fuwAppendInput(option, node);
};
fuwMakeTextfield = function(label, event) {
  var node  = document.createElement('input');
  node.type = 'text';
  node.name = label;
  node.size = fuwDefaultTextboxLength;
  node.onchange = event || fuwUpdateOptions;
  // only for testing:
  //node.value = label;
  fuwAppendInput(label, node);
};
fuwMakeTextarea = function(label, event) {
  var node  = document.createElement('textarea');
  node.name = label;
  node.rows = fuwDefaultTextareaLines;
  node.style.width = fuwDefaultTextareaWidth;
  node.onchange = event || fuwUpdateOptions;
  //only for testing:
  //node.innerHTML = label;
  fuwAppendInput(label, node);
};
fuwMakeCheckbox = function(label, checked, event) {
  var node  = document.createElement('input');
  node.name = label;
  node.type = 'checkbox';
  //only for testing:
  //node.title= label;
  node.checked = checked;
  node.onchange = event || fuwUpdateOptions;
  fuwAppendInput(label, node);
}
fuwMakeHiddenfield = function(name, value, id) {
  var node  = document.createElement('input');
  node.name  = name;
  node.type  = 'hidden';
  node.value = value;
  fuwAppendInput((id || name), node);
};
fuwMakeAnchor = function(label, href, content) {
  var node  = document.createElement('a');
  node.name  = label;
  node.target= "_blank";
  node.href  = href;
  node.innerHTML = content;
  fuwAppendInput(label, node);
};
fuwMakeSelection = function(name, values) {
  var root = document.createElement('select');
  var current = root;
  try {
      for (i=0; i<values.length; i++) {
        var line = values[i];
        var entry;
        if (line.length == 0) {
            current = root;
        }
        else if (line.length == 1) {
            entry = document.createElement('optgroup');
            entry.setAttribute('label', line[0]);
            root.appendChild(entry);
            current = entry;
        }
        else {
            entry = document.createElement('option');
            entry.setAttribute('value', line[0]);
            entry.setAttribute('title', '{{' + line[0] + '}}');
            entry.innerHTML = line[1];
            if (line.length > 2) {
              entry.setAttribute('selected', 'selected');
            }
            current.appendChild(entry);
        }
      }
  } catch (e) { alert("Name: " + name + ", i=" + i); }
  root.name = name;
  root.onchange = fuwUpdateOptions;
  fuwAppendInput(name, root);
};
function fuwMakeWikilink(place, target, redlink, display) {
 
  place = fuwGet(place);
  var id = place.id;
  var anchor;
  if (place.tagName == 'A') {
      anchor = place;
  }
  else {
      anchor = document.createElement('a');
      place.appendChild(anchor);
  }
  anchor.href = mw.util.getUrl(target);
  anchor.title = target;
  anchor.innerHTML = target;
  anchor.className = (redlink ? 'new' : null);
}
function fuwAppendInput(label, content) {
  // append a newly created input element to an existing
  // span element marked as id="placeholderXYZ"
  var node = fuwGet('placeholder' + label);
  var old  = fuwGet(label);
  if (old) {
      old.parentNode.removeChild(old);
  }
  content.id = content.id || label;
  if (node) {
      while (node.hasChildNodes()) {
        node.removeChild(node.firstChild);
      }
      node.appendChild(content);
  }
}
// ======================================================
// move an element away from its current position
// and append it to a target element if condition is true
// ======================================================
function fuwMove(mv, tg, condition, toStart) {
  if (condition) {
      move  = fuwGet(mv);
      target = fuwGet(tg);
      if (move && target) {
        var parent = move.parentNode;
        if (! (target===parent)) {
            parent.removeChild(move);
            if (toStart) {
              target.insertBefore(move, target.firstChild);
            }
            else {
              target.appendChild(move);
            }
        }
      }
      else {
        alert("Can't find elements: move=" + mv + "(" + move + "), target=" + tg + "(" + target + ")");
      }
  }
  return condition;
}
// ===================================================
// make an element visible/invisible
// ===================================================
function fuwSetVisible(tg, condition) {
  target = fuwGet(tg);
  if (target) {
      if (condition) {
        $(target).show();
      }
      else {
        $(target).hide();
      }
  }
  else {
      alert("Element not found: " +  ((!!tg && !!tg.nodeType) ? tg.id : tg));
  }
}
// ===================================================
// set enabled/disabled status for an element and/or
// all input controls contained in it.
// ===================================================
function fuwSetEnabled(tg, condition) {
  target = fuwGet(tg);
  try {
      var elements = (target.tagName.match(/^(input|textarea|select|button|a)$/i) ?
        [target] :
        $('#' + target.id + ' *'));
      for (i = 0; i<elements.length; i++) {
        if (elements[i].tagName.match(/^(input|textarea|select|button|a)$/i)) {
            elements[i].disabled = (condition ? null : "disabled");
        }
      }
  } catch (e) { alert("Element not found: " +  ((!!tg && !!tg.nodeType) ? tg.id : tg)); }
}
// ===================================================
// convenience function to check whether a given
// element is currenly visible. Needs to check display
// property of the element and its ancestors
// ===================================================
function fuwIsVisible(el) {
  element = fuwGet(el);
  if (!element) return false;
  el = element.id;
 
  var visible = true;
  while (! (element === document.body)) {
      if (element.style.display == "none") {
        visible = false;
        break;
      }
      element = element.parentNode;
  }
  return visible;
}
// ===================================================
// cleanup filename
// ===================================================
function fuwCleanFilename() {
  var nameBox = window.fuw.ScriptForm.InputName;
  var oldname = name = $.trim(nameBox.value);
  if (name) {
      // strip accidentally added [[  ]] or [[:  ]] brackets
      name = name.replace(/(^\[\[:?)|(\]\]$)/g, "");
      // strip accidentally added "File:" prefix
      name = name.replace(/^(File|Image):/, "");
      // replace underscores with spaces
      name = name.replace(/_/g, " ");
      // uppercase first letter
      name = name[0].toUpperCase() + name.slice(1);
  }
  if (oldname != name) {
      nameBox.value = name;
  }
  // always return true so the next validation step will proceed:
  return true;
}
// ==================================================
// check filename for technically illegal
// characters, trying to fix them automatically
// ==================================================
function fuwCheckLegalFilename() {
  var nameBox = window.fuw.ScriptForm.InputName;
  var oldname = name = $.trim(nameBox.value);
  if (name) {
      // resolve accidentally entered html entities and URI-encoded %XX character codes
      name = name.replace(/\&[a-z]+;/g, fuwHtmlEntityDecode);
      name = name.replace(/(\%[A-F0-9]{2,2})/g, decodeURI);
      // remove illegal characters # < > [ ] | { } /:
      // using a best guess for an acceptable replacement
      name = name.replace(/[<\[\{]/g, "(");
      name = name.replace(/[>\]\}]/g, ")");
      name = name.replace(/[#:\|]/g,  ",");
      name = name.replace(/\//g, "-");
      // remove sequences of tildes
      name = name.replace(/\~{3,}/g, "---");
      // remove initial slash
      name = name.replace(/^\//, "");
  }
 
  if (oldname != name) {
      window.fuw.warn.IllegalChars = true;
      nameBox.value = name;
      return false;
  }
  else {
      window.fuw.warn.IllegalChars = false;
      return true;
  }
}
function fuwHtmlEntityDecode(str) {
  // hack to translate accidentally entered html entity code
  // into actual characters
  var ta=document.createElement('textarea');
  ta.innerHTML=str.replace(/</g,'&lt;').replace(/>/g,'&gt;');
  return ta.value;
}
// =======================================================
// Check against various common patterns of poorly chosen
// filenames (too short / too generic)
// =======================================================
function fuwCheckPoorFilename() {
  var nameBox = window.fuw.ScriptForm.InputName;
  var name = $.trim(nameBox.value);
name = name.replace(/\.(png|gif|jpg|jpeg|xcf|pdf|mid|ogg|ogv|svg|djvu|tiff|tif|oga)$/i, "");
  // name should be at least 10 characters long, excluding file type extension
  var tooShort = (name.length < 10);
 
  // common generic filename patterns:
  // IMG......jpg
  // Image....jpg
  // DSC......jpg
  // Picture......jpg
  // Pic..........jpg
  // anything that has fewer than 3 alphabetic letters and then just numbers
  var pattern = /^(img|image|dsc|picture|pic)?(\\s*|\\_*|[a-z]{,3})?\\d+$/i;
  var auto = name.match(pattern);
  window.fuw.warn.BadFilename = (tooShort || auto);
  return !tooShort && !auto;
}
// =======================================================
// check if file extensions match between local filename
// and target filename input box. Automatically append
// appropriate extension to target filename if they don't.
// =======================================================
function fuwCheckFileExtension() {
  var nameBox = window.fuw.ScriptForm.InputName;
  var name = $.trim(nameBox.value);
  var fileBox = window.fuw.TargetForm.file;
  var file = fileBox.value;
 
  // cancel check if no filename has been provided yet
  if (!file || !name) return true;
 
  var extensions = /.+\.(png|gif|jpg|jpeg|xcf|pdf|mid|ogg|ogv|svg|djvu|tiff|tif|oga)$/i;
  var mimetypes = {
      "png"  : "image/png",
      "gif"  : "image/gif",
      "jpg"  : "image/jpeg",
      "jpeg" : "image/jpeg",
      "xcf"  : "image/x-xcf",
      "pdf"  : "application/pdf",
      "mid"  : "audio/rtp-midi",
      "ogg"  : "audio/ogg",
      "ogv"  : "video/ogg",
      "svg"  : "image/svg+xml",
      "djvu" : "image/vnd.djvu",
      "tiff" : "image/tiff",
      "tif"  : "image/tiff",
      "oga"  : "video/ogg"
  }; 
  var found = extensions.exec(file);
  var fileExt = found ? found[1].toLowerCase() : "";
  found = extensions.exec(name);
  var nameExt = found ? found[1].toLowerCase() : "";
  var mime = mimetypes[fileExt];
 
  if (fileExt && mime && (mimetypes[nameExt] != mime)) {
      nameBox.value = name.replace(/\.?$/, ('.' + fileExt));
  }
  return true;
}
// ============================================================
// Check if a file under the chosen name already exists,
// either locally or on Commons.
// Store results in the fuw.warn object, so warnings will
// be displayed on the next fuwUpdateOptions() call
// ============================================================
function fuwCheckFileExists() {
  // this is an asynchronous AJAX function.
  // results won't yet be present when this function returns.
  var nameBox = window.fuw.ScriptForm.InputName;
  var name = $.trim(nameBox.value);
  // using the jQuery wrapper for the Ajax functionality:
  $.ajax({
      url    : mw.util.wikiScript( 'api' ),
      type    : 'GET',
      dataType: 'xml',
      traditional : true,
      data:  {
              format: 'xml',
              action: 'query',
              titles: 'File:' + name,
              prop  : 'imageinfo',
              iiprop: 'url|user',
              iiurlwidth: 120
              },     
      success: function(resp) {
      // callback function, called when API query has succeeded:
        // see if the request has returned info from an existing image:
        var foundlist = resp.getElementsByTagName('ii');
        var exists = (foundlist.length >= 1);
        var isCommons = false;
        if (exists) {
            // extract description data from http response.
            // see https://www.mediawiki.org/wiki/API:Properties#imageinfo_.2F_ii
            // for structure of API response
            var foundImg = foundlist[0];
            isCommons = (foundImg.parentNode.parentNode.getAttribute('imagerepository')=='shared');
            // need this data for creating our own image thumb link
            var width = foundImg.getAttribute('thumbwidth');
            var height = foundImg.getAttribute('thumbheight');
            var thumbURL = foundImg.getAttribute('thumburl');
            var lastUser = foundImg.getAttribute('user');
            var descURL = foundImg.getAttribute('descriptionurl');
            // API returns link to local description page even for Commons images.
            // However, we want a direct link to Commons.
            if (isCommons) {
              descURL = descURL.replace(/en\.wikipedia\.org/, "commons.wikimedia.org");
              descURL = descURL.replace(/\/\/secure\.wikimedia\.org\/wikipedia\/en/, "commons.wikimedia.org");
            }
            // build the image info into the warning section of our page:
            thumbDiv = fuwGet('warningImageThumb');
            if (thumbDiv) {
           
              // make all links point to description page:
              var thumbA = thumbDiv.getElementsByTagName('a');
              for (i = 0; i<thumbA.length; i++) {
                  thumbA[i].setAttribute('href', descURL);
              }
              // insert the image itself:
              var thumbImg = thumbDiv.getElementsByTagName('img');
              if (thumbImg.length > 0) {
                  thumbImg = thumbImg[0];
                  thumbImg.setAttribute('src', thumbURL);
                  thumbImg.setAttribute('width', width);
                  thumbImg.setAttribute('height', height);
              }
              // insert the name of the last uploader:
              var thumbSpan = fuwGet('existingImageUploader');
              // TO DO: turn this into a proper link
              if (thumbSpan) thumbSpan.innerHTML = lastUser;
            }
           
        }
        warn = window.fuw.warn;
        warn.ImageOnCommons = exists && isCommons;
        warn.ImageExists    = exists && !isCommons;
        fuwUpdateOptions();
      }
  });
}
// ===========================================================
// onchange event handler for the local filename box
// ===========================================================
fuwValidateFile = function() {
  fuwCheckFileExtension();
  fuwUpdateOptions();
}
// ===========================================================
// onchange event handler for the name input box
// ===========================================================
fuwValidateFilename = function() {
  fuwCleanFilename();
  if (
      fuwCheckLegalFilename() &&
      fuwCheckPoorFilename() &&
      fuwCheckFileExtension()) {
      // after fuwCheckFileExists(),
      // fuwUpdateOptions will be triggered
      // by the callback function after Ajax completion
      fuwCheckFileExists();
  }
  else {
      // if there's been no Ajax call.
      fuwUpdateOptions();
  }
};
// ==========================================================
// function fuwValidateNFArticle()
// ==========================================================
// This is the validation routine for the obligatory
// article-to-be-used-in field for non-free files. It queries
// api.php about the target article through an Ajax call.
// It will store error info in the fuw.warn object,
// triggering the following error on the next updateOptions():
// * warningNFArticleNotFound : target page doesn't exist.
// * warningNFArticleNotMainspace : target is not an article.
// * warningNFArticleDab : target is a disambiguation page.
// Redirects will automatically be substituted.
// ==========================================================
fuwValidateNFArticle = function() {
 
  var nameBox = window.fuw.ScriptForm.NFArticle;
  oldname = name = nameBox.value;
 
  // cleanup article name:
  // automatically fix accidentally added [[ ... ]] and
  // regularize underscores
  name = $.trim(name);
  name = name.replace(/(^\[\[)|(\]\]$)/g, "");
  // automatically fix article names entered as full urls:
  name = name.replace(/^https?:\/\/en\.wikipedia\.org\/wiki\//, "");
  name = name.replace(/^https?:\/\/en\.wikipedia\.org\/w\/index\.php\?title=/, "");
  name = name.replace(/_/g, " ");
  if (name != oldname) nameBox.value = name;
 
  // do nothing more if field was blank
  if (!name) return;
  // using the jQuery wrapper for the Ajax functionality:
  $.ajax({
      url    : mw.util.wikiScript( 'api' ),
      type    : 'GET',
      dataType: 'xml',
      traditional : true,
      data:  {
              format: 'xml',
              action: 'query',
              titles: name,
              prop  : 'info|categories|links'
              },     
      success: function(resp) {
      // callback function, called when API query has succeeded:
        var errorType = 0;
        var pg = resp.getElementsByTagName('page')[0];
        var title = pg.getAttribute('title');
        var target = title;
        if (pg.getAttribute('missing') != null) {
            // no page found under this title.
            errorType = 1;
        }         
        else {
            var userspace = false;
            var ns = pg.getAttribute('ns');
            var rd = pg.getAttribute('redirect');
            if (ns != 0) {
              // not a mainspace page!
              errorType = 2;
              // try to detect if the target might be a user space draft:             
              if (title.match(new RegExp("User( talk)?:" + mw.config.get('wgUserName')))) {
                  userspace = true;
              }
            }
            else if (rd != null) {
              // redirect page
              // API returns an empty redirect="" attribute if
              // the page is a redirect
              var targets = pg.getElementsByTagName('pl');
              for (i=0; i<targets.length; i++) {
                  var link = targets[i];
                  if (link.getAttribute('ns')==0) {
                    target = link.getAttribute('title');
                    errorType = 3;
                    break;
                  }
              }
            }
            else {
              // check for disambiguation categories
              var cats = pg.getElementsByTagName('cl');
              for (i=0; i<cats.length; i++) {
                  var cat = cats[i];
                  if (cat.getAttribute('title') == "Category:All disambiguation pages") {
                    errorType = 4;
                    break;
                  }
              } 
            }
        }
        warn = window.fuw.warn;
        warn.NFArticleNotFound = (errorType==1);
        warn.NFArticleNotMainspace = (errorType==2);
        warn.UserspaceDraft = ((errorType==2) && userspace);
        warn.NFArticleDab = (errorType==4);
        warn.NFArticleOK  = (errorType==0);
        // fix links in error messages:
        if (warn.NFArticleNotFound) {
            fuwMakeWikilink(fuwGet('warningNFArticleNotFound').getElementsByTagName('A')[0], target, true);
        }
        else if (warn.NFArticleNotMainspace) {
            fuwMakeWikilink(fuwGet('warningNFArticleNotMainspace').getElementsByTagName('A')[0], target);
        }
        else if (warn.NFArticleDab) {
            fuwMakeWikilink(fuwGet('warningNFArticleDab').getElementsByTagName('A')[0], target);
        }
        else if (warn.NFArticleOK) {
            fuwMakeWikilink(fuwGet('NFArticleOK').getElementsByTagName('A')[0], target);
        }
                     
        if (errorType==3) {
            // automatically replace title with redirect target
            window.fuw.ScriptForm.NFArticle.value = target;
            // need to recursively call validation again now
            //if (confirm(name + " is a redirect. Follow it to " + target + "?")) {
              fuwValidateNFArticle();
            //}
        }
        else {
            fuwUpdateOptions();
        }         
      }
  });
};
// ================================================
// manually reload script (just for testing)
// ================================================
function fuwReload() {
  mw.loader.load( 'http://localhost/script/uploadscript.js' );
  fuwReset();
}
// ================================================
// reset forms
// TO DO: add a button that actually triggers this.
// ================================================
function fuwReset() {
  var forms = mw.util.$content[0].getElementsByTagName('form');
  for (i = 0; i < forms.length; i++) {
      forms[i].reset();
      window.fuw.warn = { };
      window.fuw.opts = { };
  }
  fuwSetVisible('UploadScriptArea', true);
  fuwSetVisible('fuwSuccess', false);
  fuwSetVisible('fuwWaiting', false);
  fuwUpdateOptions();
}
// ===============================================
// convenience functions for string handling
// ===============================================
function fuwAppendLines(parts) {
  // assemble a string from an array of strings.
  // treat every second element as a conditional
  // separator that will be included only if
  // surrounding elements are non-empty.
  var build = "";
  for (var i = 0; i < parts.length; i += 2) {
      if (parts[i]) {
        if (build) build += parts[i - 1];
        build += parts[i];
      }
  }
  return build;
}
function fuwSurroundString(prefix, content, suffix) {
  // put a prefix and a suffix on a string,
  // if the input string is non-empty.
  if (content)
      return (prefix ? prefix : "") + content + (suffix ? suffix : "");
  else return "";
}
// ========================================================
// convenience function for accessing the contents of the
// dummy TargetIFrame
// ========================================================
function fuwGetDocumentFromIFrame(iframe) {
  var doc = (iframe.contentDocument ? iframe.contentDocument : iframe.contentWindow.document);
  if (doc.XMLDocument) {
      doc = doc.XMLDocument;
  }
  return doc;
}
// ========================================================
// event handler for the dummy TargetIFrame's onload event.
// TO DO: expand stub to add real notification of success,
// link to new file page, instructions about how to include
// file in articles, etc.
// ========================================================
function fuwUploadCompleted() {
  var doc = fuwGetDocumentFromIFrame(fuwGet('TargetIFrame'));
  if (doc) {
      //alert(doc);
      fuwSetVisible('successThumb', false);
      var fuw = window.fuw;
      var name = fuw.opts.InputName;
      var uploads = doc.getElementsByTagName('upload');
      var success = false;
      for (i = uploads.length-1; i>=0; i--) {
        if (uploads[i].getAttribute('result') == 'Success') {
            success = true;
            // need to get the real resulting filename here; might be different from the requested one in some cases.
            name = uploads[i].getAttribute('filename');
            break;
        }
      }
      if (success) {
        // need another ajax call to check the file is actually there,
        // and to retrieve its direct thumb img url:
        $.ajax({
            url    : mw.util.wikiScript( 'api' ),
            type    : 'GET',
            dataType: 'xml',
            traditional : true,
            data:  {
                    format: 'xml',
                    action: 'query',
                    titles: 'File:' + name,
                    prop  : 'imageinfo',
                    iiprop: 'url',
                    iiurlwidth: 120
                    },     
            success: function(resp) {
              // callback function, called when API query has succeeded:
              // see if the request has returned info from an existing image:
              var foundImg = resp.getElementsByTagName('ii')[0];
              if (foundImg) {
                  // need this data for creating our own image thumb link
                  var width = foundImg.getAttribute('thumbwidth');
                  var height = foundImg.getAttribute('thumbheight');
                  var thumbURL = foundImg.getAttribute('thumburl');
                  var lastUser = foundImg.getAttribute('user');
                  var descURL = foundImg.getAttribute('descriptionurl');
                  // build the thumbnail in the success message:
                  thumbDiv = fuwGet('successThumb');
                 
                  // make link point to description page:
                  var thumbA = thumbDiv.getElementsByTagName('a')[0];
                  thumbA.href = descURL;
                  // insert the image itself:
                  var thumbImg = thumbDiv.getElementsByTagName('img')[0];
                  thumbImg.setAttribute('src', thumbURL);
                  thumbImg.setAttribute('width', width);
                  thumbImg.setAttribute('height', height);
                 
                  fuwSetVisible(thumbDiv, true);
              }
            }
        });
        fuwMakeWikilink(
            fuwGet('fuwSuccessLink2').getElementsByTagName('a')[0],
            'File:' + name);
        fuwGet('placeholderExFilename1').innerHTML = name;
        fuwGet('placeholderExFilename2').innerHTML = name;
        fuwSetVisible('fuwSuccess', true);
        fuwSetVisible('fuwWaiting', false);
      }
      else {
        var err = doc.getElementsByTagName('error');
        if (err) {
            var info = err[0].getAttribute('info');
            var details = err[0].getElementsByTagName('detail');
            var add = "";
            for (i = 0; i < details.length; i++) {
              if (add.length > 0) add += ", ";
              add += details[i].textContent;
            }
            if (add) {
              info = info + " (" + add + ")";
            }
            alert("Upload failed: " + info);
        }
        else {
            alert("Unknown error: upload may have failed.");
        }
      }
  }
}
// ========================================================
// clean out dummy IFrame before submitting a request
// ========================================================
function fuwResetTargetIFrame() {
  var doc = fuwGetDocumentFromIFrame(fuwGet('TargetIFrame'));
  if (doc) {
      while (doc.hasChildNodes()) {
        doc.removeChild(doc.firstChild);
      }
  }
}
// ========================================================
// Event handler for the real submit button
// ========================================================
function fuwSubmitUpload() {
 
  var fuw = window.fuw;
  var frm = fuw.TargetForm;
  fuw.collectInput();
  fuw.formatOutput(false);
  // we will use the iframe's onload event to trigger a function that
  // adds success notification etc.
  fuwResetTargetIFrame();
  var ifr = fuwGet('TargetIFrame');
  if (ifr.attachEvent) {
      // workaround for IE, according to
      // http://www.nczonline.net/blog/2009/09/15/iframes-onload-and-documentdomain/
      ifr.attachEvent("onload", fuwUploadCompleted);
  }
  else {
      // all other browsers
      ifr.onload = fuwUploadCompleted;
  }
  if (fuwTesting) {
      fuwSetVisible('placeholderTestForm', false);
  }
  fuwSetVisible('UploadScriptArea', false);
  fuwMakeWikilink(
    fuwGet('fuwSuccessLink').getElementsByTagName('a')[0], 'File:' + fuw.opts.InputName);
  fuwSetVisible('fuwWaiting', true);
  frm.submit();
  var opts = window.fuw.opts;
  // the API won't overwrite the description page text while overwriting
  // a file, which is really, really, really annoying and stupid.
  // So in the opts.OverwriteDifferent scenario, we need to edit
  // the description page through a separate ajax call. Dang.
  if (opts.OverwriteDifferent) {
      $.ajax({
        url  : mw.util.wikiScript('api'),
        type  : 'POST',
        dataType : 'xml',
        data  : {
                  format : 'xml',
                  action : 'edit',
                  title  : 'File:' + opts.InputName,
                  token  : mw.user.tokens.get('csrfToken'),
                  summary : opts.EditSummary,
                  text  : ($('#TargetForm .[name="text"]')[0]).value
                }
      });
  }
}
// =======================================================
// Event handler for the Commons submit button
// =======================================================
function fuwSubmitCommons() {
  var fuw = window.fuw;
  fuw.collectInput();
  var url = fuw.formatOutput(true);
  alert("You will now be redirected to Commons. \nPlease use the Commons upload form to add categories to your file description, and then complete the upload.");
  window.location = url;
}
// =======================================================
// Event handler for the test submit button
// (write description string to sandbox only)
// =======================================================
function fuwSubmitSandbox() {
  var frm = window.fuw.TestForm;
  $.ajax({
      url    : mw.util.wikiScript( 'api' ),
      type    : 'POST',
      dataType: 'xml',
      data:  {
              format: 'xml',
              action: 'edit',
              title : mw.config.get('wgPageName') + "/sandbox",
              token : mw.user.tokens.get('csrfToken'),
              recreate : 1,
              summary  : frm.SandboxSummary.value,
              text    : frm.SandboxText.value
              },     
      success: function(resp) {
        alert("Sandbox page edited!");
      }
  });
}
// ========================================================
// convenience wrapper function to replace calls to
// document.getElementById()
// to avoid browser incompatibility
// ========================================================
function fuwGet(target) {
  if (!!target && !!target.nodeType) return target;
  else {
      var found = $('#' + target);
      if (found) return found[0];
  }
  return undefined;
}
// ========================================================
// onload hook function, loading this script
// ========================================================
$(function() {
  if (fuwGet('UploadScriptArea')) {
      window.fuw = new fuwGlobal();
      fuwUpdateOptions();
  }
});
// </nowiki>
Источник — https://massarn.com/w/Служебная:Сравнение_версий/1449

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