skins/common/upload.js

   1 ( function ( mw, $ ) {
   2 var     ajaxUploadDestCheck = mw.config.get( 'wgAjaxUploadDestCheck' ),
   3         fileExtensions = mw.config.get( 'wgFileExtensions' );
   4
   5 window.licenseSelectorCheck = function() {
   6         var selector = document.getElementById( "wpLicense" );
   7         var selection = selector.options[selector.selectedIndex].value;
   8         if( selector.selectedIndex > 0 ) {
   9                 if( selection == "" ) {
  10                         // Option disabled, but browser is broken and doesn't respect this
  11                         selector.selectedIndex = 0;
  12                 }
  13         }
  14         // We might show a preview
  15         wgUploadLicenseObj.fetchPreview( selection );
  16 };
  17
  18 function uploadSetup() {
  19         // Disable URL box if the URL copy upload source type is not selected
  20         var e = document.getElementById( 'wpSourceTypeurl' );
  21         if( e ) {
  22                 if( !e.checked ) {
  23                         var ein = document.getElementById( 'wpUploadFileURL' );
  24                         if(ein)
  25                                 ein.setAttribute( 'disabled', 'disabled' );
  26                 }
  27         }
  28
  29         // For MSIE/Mac: non-breaking spaces cause the <option> not to render.
  30         // But for some reason, setting the text to itself works
  31         var selector = document.getElementById("wpLicense");
  32         if (selector) {
  33                 var ua = navigator.userAgent;
  34                 var isMacIe = (ua.indexOf("MSIE") != -1) && (ua.indexOf("Mac") != -1);
  35                 if (isMacIe) {
  36                         for (var i = 0; i < selector.options.length; i++) {
  37                                 selector.options[i].text = selector.options[i].text;
  38                         }
  39                 }
  40         }
  41
  42         // AJAX wpDestFile warnings
  43         if ( ajaxUploadDestCheck ) {
  44                 // Insert an event handler that fetches upload warnings when wpDestFile
  45                 // has been changed
  46                 document.getElementById( 'wpDestFile' ).onchange = function ( e ) {
  47                         wgUploadWarningObj.checkNow(this.value);
  48                 };
  49                 // Insert a row where the warnings will be displayed just below the
  50                 // wpDestFile row
  51                 var optionsTable = document.getElementById( 'mw-htmlform-description' ).tBodies[0];
  52                 var row = optionsTable.insertRow( 1 );
  53                 var td = document.createElement( 'td' );
  54                 td.id = 'wpDestFile-warning';
  55                 td.colSpan = 2;
  56
  57                 row.appendChild( td );
  58         }
  59
  60         var wpLicense = document.getElementById( 'wpLicense' );
  61         if ( mw.config.get( 'wgAjaxLicensePreview' ) && wpLicense ) {
  62                 // License selector check
  63                 wpLicense.onchange = licenseSelectorCheck;
  64
  65                 // License selector table row
  66                 var wpLicenseRow = wpLicense.parentNode.parentNode;
  67                 var wpLicenseTbody = wpLicenseRow.parentNode;
  68
  69                 var row = document.createElement( 'tr' );
  70                 var td = document.createElement( 'td' );
  71                 row.appendChild( td );
  72                 td = document.createElement( 'td' );
  73                 td.id = 'mw-license-preview';
  74                 row.appendChild( td );
  75
  76                 wpLicenseTbody.insertBefore( row, wpLicenseRow.nextSibling );
  77         }
  78
  79
  80         // fillDestFile setup
  81         var     i,
  82                 uploadSourceIds = mw.config.get( 'wgUploadSourceIds' ),
  83                 len = uploadSourceIds.length;
  84         for ( i = 0; i < len; i += 1 )
  85                 document.getElementById( uploadSourceIds[i] ).onchange = function (e) {
  86                         fillDestFilename( this.id );
  87                 };
  88 };
  89
  90
  91 window.wgUploadWarningObj = {
  92         'responseCache' : { '' : '&nbsp;' },
  93         'nameToCheck' : '',
  94         'typing': false,
  95         'delay': 500, // ms
  96         'timeoutID': false,
  97
  98         'keypress': function () {
  99                 if ( !ajaxUploadDestCheck || !sajax_init_object() ) return;
 100
 101                 // Find file to upload
 102                 var destFile = document.getElementById('wpDestFile');
 103                 var warningElt = document.getElementById( 'wpDestFile-warning' );
 104                 if ( !destFile || !warningElt ) return ;
 105
 106                 this.nameToCheck = destFile.value ;
 107
 108                 // Clear timer
 109                 if ( this.timeoutID ) {
 110                         window.clearTimeout( this.timeoutID );
 111                 }
 112                 // Check response cache
 113                 for (cached in this.responseCache) {
 114                         if (this.nameToCheck == cached) {
 115                                 this.setWarning(this.responseCache[this.nameToCheck]);
 116                                 return;
 117                         }
 118                 }
 119
 120                 this.timeoutID = window.setTimeout( 'wgUploadWarningObj.timeout()', this.delay );
 121         },
 122
 123         'checkNow': function (fname) {
 124                 if ( !ajaxUploadDestCheck || !sajax_init_object() ) return;
 125                 if ( this.timeoutID ) {
 126                         window.clearTimeout( this.timeoutID );
 127                 }
 128                 this.nameToCheck = fname;
 129                 this.timeout();
 130         },
 131
 132         'timeout' : function() {
 133                 if ( !ajaxUploadDestCheck || !sajax_init_object() ) return;
 134                 injectSpinner( document.getElementById( 'wpDestFile' ), 'destcheck' );
 135
 136                 // Get variables into local scope so that they will be preserved for the
 137                 // anonymous callback. fileName is copied so that multiple overlapping
 138                 // ajax requests can be supported.
 139                 var obj = this;
 140                 var fileName = this.nameToCheck;
 141                 sajax_do_call( 'SpecialUpload::ajaxGetExistsWarning', [this.nameToCheck],
 142                         function (result) {
 143                                 obj.processResult(result, fileName)
 144                         }
 145                 );
 146         },
 147
 148         'processResult' : function (result, fileName) {
 149                 removeSpinner( 'destcheck' );
 150                 this.setWarning(result.responseText);
 151                 this.responseCache[fileName] = result.responseText;
 152         },
 153
 154         'setWarning' : function (warning) {
 155                 var warningElt = document.getElementById( 'wpDestFile-warning' );
 156                 var ackElt = document.getElementsByName( 'wpDestFileWarningAck' );
 157
 158                 this.setInnerHTML(warningElt, warning);
 159
 160                 // Set a value in the form indicating that the warning is acknowledged and
 161                 // doesn't need to be redisplayed post-upload
 162                 if ( warning == '' || warning == '&nbsp;' ) {
 163                         ackElt[0].value = '';
 164                 } else {
 165                         ackElt[0].value = '1';
 166                 }
 167
 168         },
 169         'setInnerHTML' : function (element, text) {
 170                 // Check for no change to avoid flicker in IE 7
 171                 if (element.innerHTML != text) {
 172                         element.innerHTML = text;
 173                 }
 174         }
 175 };
 176
 177 window.fillDestFilename = function(id) {
 178         if ( !mw.config.get( 'wgUploadAutoFill' ) ) {
 179                 return;
 180         }
 181         if (!document.getElementById) {
 182                 return;
 183         }
 184         // Remove any previously flagged errors
 185         var e = document.getElementById( 'mw-upload-permitted' );
 186         if( e ) e.className = '';
 187
 188         var e = document.getElementById( 'mw-upload-prohibited' );
 189         if( e ) e.className = '';
 190
 191         var path = document.getElementById(id).value;
 192         // Find trailing part
 193         var slash = path.lastIndexOf('/');
 194         var backslash = path.lastIndexOf('\\');
 195         var fname;
 196         if (slash == -1 && backslash == -1) {
 197                 fname = path;
 198         } else if (slash > backslash) {
 199                 fname = path.substring(slash+1, 10000);
 200         } else {
 201                 fname = path.substring(backslash+1, 10000);
 202         }
 203
 204         // Clear the filename if it does not have a valid extension.
 205         // URLs are less likely to have a useful extension, so don't include them in the
 206         // extension check.
 207         if ( mw.config.get( 'wgStrictFileExtensions' ) && fileExtensions && id !== 'wpUploadFileURL' ) {
 208                 var found = false;
 209                 if ( fname.lastIndexOf( '.' ) !== -1 ) {
 210                         var ext = fname.substr( fname.lastIndexOf( '.' ) + 1 );
 211                         for ( var i = 0; i < fileExtensions.length; i += 1 ) {
 212                                 if ( fileExtensions[i].toLowerCase() === ext.toLowerCase() ) {
 213                                         found = true;
 214                                         break;
 215                                 }
 216                         }
 217                 }
 218                 if( !found ) {
 219                         // Not a valid extension
 220                         // Clear the upload and set mw-upload-permitted to error
 221                         document.getElementById(id).value = '';
 222                         var e = document.getElementById( 'mw-upload-permitted' );
 223                         if( e ) e.className = 'error';
 224
 225                         var e = document.getElementById( 'mw-upload-prohibited' );
 226                         if( e ) e.className = 'error';
 227
 228                         // Clear wpDestFile as well
 229                         var e = document.getElementById( 'wpDestFile' );
 230                         if( e ) e.value = '';
 231
 232                         return false;
 233                 }
 234         }
 235
 236         // Replace spaces by underscores
 237         fname = fname.replace( / /g, '_' );
 238         // Capitalise first letter if needed
 239         if ( mw.config.get( 'wgCapitalizeUploads' ) ) {
 240                 fname = fname.charAt( 0 ).toUpperCase().concat( fname.substring( 1, 10000 ) );
 241         }
 242
 243         // Output result
 244         var destFile = document.getElementById( 'wpDestFile' );
 245         if ( destFile ) {
 246                 // Call decodeURIComponent function to remove possible URL-encoded characters
 247                 // from the file name (bug 30390). Especially likely with upload-form-url.
 248                 // decodeURIComponent can throw an exception in input is invalid utf-8
 249                 try {
 250                         destFile.value = decodeURIComponent( fname );
 251                 } catch ( e ) {
 252                         destFile.value = fname;
 253                 }
 254                 wgUploadWarningObj.checkNow( fname );
 255         }
 256 };
 257
 258 window.toggleFilenameFiller = function() {
 259         if(!document.getElementById) return;
 260         var upfield = document.getElementById('wpUploadFile');
 261         var destName = document.getElementById('wpDestFile').value;
 262         wgUploadAutoFill = ( destName == '' || destName == ' ' );
 263 };
 264
 265 window.wgUploadLicenseObj = {
 266
 267         'responseCache' : { '' : '' },
 268
 269         'fetchPreview': function( license ) {
 270                 if ( !mw.config.get( 'wgAjaxLicensePreview' ) ) return;
 271                 for (cached in this.responseCache) {
 272                         if (cached == license) {
 273                                 this.showPreview( this.responseCache[license] );
 274                                 return;
 275                         }
 276                 }
 277                 injectSpinner( document.getElementById( 'wpLicense' ), 'license' );
 278
 279                 var title = document.getElementById('wpDestFile').value;
 280                 if ( !title ) title = 'File:Sample.jpg';
 281
 282                 var url = mw.util.wikiScript( 'api' )
 283                         + '?action=parse&text={{' + encodeURIComponent( license ) + '}}'
 284                         + '&title=' + encodeURIComponent( title )
 285                         + '&prop=text&pst&format=json';
 286
 287                 var req = sajax_init_object();
 288                 req.onreadystatechange = function() {
 289                         if ( req.readyState == 4 && req.status == 200 )
 290                                 wgUploadLicenseObj.processResult( eval( '(' + req.responseText + ')' ), license );
 291                 };
 292                 req.open( 'GET', url, true );
 293                 req.send( '' );
 294         },
 295
 296         'processResult' : function( result, license ) {
 297                 removeSpinner( 'license' );
 298                 this.responseCache[license] = result['parse']['text']['*'];
 299                 this.showPreview( this.responseCache[license] );
 300         },
 301
 302         'showPreview' : function( preview ) {
 303                 var previewPanel = document.getElementById( 'mw-license-preview' );
 304                 if( previewPanel.innerHTML != preview )
 305                         previewPanel.innerHTML = preview;
 306         }
 307
 308 };
 309
 310 $( uploadSetup );
 311
 312 }( mediaWiki, jQuery ) );