skins/common/upload.js

   1 function licenseSelectorCheck() {
   2         var selector = document.getElementById( "wpLicense" );
   3         var selection = selector.options[selector.selectedIndex].value;
   4         if( selector.selectedIndex > 0 ) {
   5                 if( selection == "" ) {
   6                         // Option disabled, but browser is broken and doesn't respect this
   7                         selector.selectedIndex = 0;
   8                 }
   9         }
  10         // We might show a preview
  11         wgUploadLicenseObj.fetchPreview( selection );
  12 }
  13
  14 function wgUploadSetup() {
  15         // Disable URL box if the URL copy upload source type is not selected
  16         var e = document.getElementById( 'wpSourceTypeurl' );
  17         if( e ) {
  18                 if( !e.checked ) {
  19                         var ein = document.getElementById( 'wpUploadFileURL' );
  20                         if(ein)
  21                                 ein.setAttribute( 'disabled', 'disabled' );
  22                 }
  23         }
  24
  25         // For MSIE/Mac: non-breaking spaces cause the <option> not to render.
  26         // But for some reason, setting the text to itself works
  27         var selector = document.getElementById("wpLicense");
  28         if (selector) {
  29                 var ua = navigator.userAgent;
  30                 var isMacIe = (ua.indexOf("MSIE") != -1) && (ua.indexOf("Mac") != -1);
  31                 if (isMacIe) {
  32                         for (var i = 0; i < selector.options.length; i++) {
  33                                 selector.options[i].text = selector.options[i].text;
  34                         }
  35                 }
  36         }
  37
  38         // Toggle source type
  39         var sourceTypeCheckboxes = document.getElementsByName( 'wpSourceType' );
  40         for ( var i = 0; i < sourceTypeCheckboxes.length; i++ ) {
  41                 sourceTypeCheckboxes[i].onchange = toggleUploadInputs;
  42         }
  43
  44         // AJAX wpDestFile warnings
  45         if ( wgAjaxUploadDestCheck ) {
  46                 // Insert an event handler that fetches upload warnings when wpDestFile
  47                 // has been changed
  48                 document.getElementById( 'wpDestFile' ).onchange = function ( e ) {
  49                         wgUploadWarningObj.checkNow(this.value);
  50                 };
  51                 // Insert a row where the warnings will be displayed just below the
  52                 // wpDestFile row
  53                 var optionsTable = document.getElementById( 'mw-htmlform-description' ).tBodies[0];
  54                 var row = optionsTable.insertRow( 1 );
  55                 var td = document.createElement( 'td' );
  56                 td.id = 'wpDestFile-warning';
  57                 td.colSpan = 2;
  58
  59                 row.appendChild( td );
  60         }
  61
  62         if ( wgAjaxLicensePreview ) {
  63                 // License selector check
  64                 document.getElementById( 'wpLicense' ).onchange = licenseSelectorCheck;
  65
  66                 // License selector table row
  67                 var wpLicense = document.getElementById( 'wpLicense' );
  68                 var wpLicenseRow = wpLicense.parentNode.parentNode;
  69                 var wpLicenseTbody = wpLicenseRow.parentNode;
  70
  71                 var row = document.createElement( 'tr' );
  72                 var td = document.createElement( 'td' );
  73                 row.appendChild( td );
  74                 td = document.createElement( 'td' );
  75                 td.id = 'mw-license-preview';
  76                 row.appendChild( td );
  77
  78                 wpLicenseTbody.insertBefore( row, wpLicenseRow.nextSibling );
  79         }
  80
  81
  82         // fillDestFile setup
  83         for ( var i = 0; i < wgUploadSourceIds.length; i++ )
  84                 document.getElementById( wgUploadSourceIds[i] ).onchange = function (e) {
  85                         fillDestFilename( this.id );
  86                 };
  87 }
  88
  89 /**
  90  * Iterate over all upload source fields and disable all except the selected one.
  91  *
  92  * @param enabledId The id of the selected radio button
  93  * @return emptiness
  94  */
  95 function toggleUploadInputs() {
  96         // Iterate over all rows with UploadSourceField
  97         var rows;
  98         if ( document.getElementsByClassName ) {
  99                 rows = document.getElementsByClassName( 'mw-htmlform-field-UploadSourceField' );
 100         } else {
 101                 // Older browsers don't support getElementsByClassName
 102                 rows = new Array();
 103
 104                 var allRows = document.getElementsByTagName( 'tr' );
 105                 for ( var i = 0; i < allRows.length; i++ ) {
 106                         if ( allRows[i].className == 'mw-htmlform-field-UploadSourceField' )
 107                                 rows.push( allRows[i] );
 108                 }
 109         }
 110
 111         for ( var i = 0; i < rows.length; i++ ) {
 112                 var inputs = rows[i].getElementsByTagName( 'input' );
 113
 114                 // Check if this row is selected
 115                 var isChecked = true; // Default true in case wpSourceType is not found
 116                 for ( var j = 0; j < inputs.length; j++ ) {
 117                         if ( inputs[j].name == 'wpSourceType' )
 118                                 isChecked = inputs[j].checked;
 119                 }
 120
 121                 // Disable all unselected rows
 122                 for ( var j = 0; j < inputs.length; j++ ) {
 123                         if ( inputs[j].type != 'radio')
 124                                 inputs[j].disabled = !isChecked;
 125                 }
 126         }
 127 }
 128
 129 var wgUploadWarningObj = {
 130         'responseCache' : { '' : '&nbsp;' },
 131         'nameToCheck' : '',
 132         'typing': false,
 133         'delay': 500, // ms
 134         'timeoutID': false,
 135
 136         'keypress': function () {
 137                 if ( !wgAjaxUploadDestCheck || !sajax_init_object() ) return;
 138
 139                 // Find file to upload
 140                 var destFile = document.getElementById('wpDestFile');
 141                 var warningElt = document.getElementById( 'wpDestFile-warning' );
 142                 if ( !destFile || !warningElt ) return ;
 143
 144                 this.nameToCheck = destFile.value ;
 145
 146                 // Clear timer
 147                 if ( this.timeoutID ) {
 148                         window.clearTimeout( this.timeoutID );
 149                 }
 150                 // Check response cache
 151                 for (cached in this.responseCache) {
 152                         if (this.nameToCheck == cached) {
 153                                 this.setWarning(this.responseCache[this.nameToCheck]);
 154                                 return;
 155                         }
 156                 }
 157
 158                 this.timeoutID = window.setTimeout( 'wgUploadWarningObj.timeout()', this.delay );
 159         },
 160
 161         'checkNow': function (fname) {
 162                 if ( !wgAjaxUploadDestCheck || !sajax_init_object() ) return;
 163                 if ( this.timeoutID ) {
 164                         window.clearTimeout( this.timeoutID );
 165                 }
 166                 this.nameToCheck = fname;
 167                 this.timeout();
 168         },
 169
 170         'timeout' : function() {
 171                 if ( !wgAjaxUploadDestCheck || !sajax_init_object() ) return;
 172                 injectSpinner( document.getElementById( 'wpDestFile' ), 'destcheck' );
 173
 174                 // Get variables into local scope so that they will be preserved for the
 175                 // anonymous callback. fileName is copied so that multiple overlapping
 176                 // ajax requests can be supported.
 177                 var obj = this;
 178                 var fileName = this.nameToCheck;
 179                 sajax_do_call( 'SpecialUpload::ajaxGetExistsWarning', [this.nameToCheck],
 180                         function (result) {
 181                                 obj.processResult(result, fileName)
 182                         }
 183                 );
 184         },
 185
 186         'processResult' : function (result, fileName) {
 187                 removeSpinner( 'destcheck' );
 188                 this.setWarning(result.responseText);
 189                 this.responseCache[fileName] = result.responseText;
 190         },
 191
 192         'setWarning' : function (warning) {
 193                 var warningElt = document.getElementById( 'wpDestFile-warning' );
 194                 var ackElt = document.getElementsByName( 'wpDestFileWarningAck' );
 195
 196                 this.setInnerHTML(warningElt, warning);
 197
 198                 // Set a value in the form indicating that the warning is acknowledged and
 199                 // doesn't need to be redisplayed post-upload
 200                 if ( warning == '' || warning == '&nbsp;' ) {
 201                         ackElt[0].value = '';
 202                 } else {
 203                         ackElt[0].value = '1';
 204                 }
 205
 206         },
 207         'setInnerHTML' : function (element, text) {
 208                 // Check for no change to avoid flicker in IE 7
 209                 if (element.innerHTML != text) {
 210                         element.innerHTML = text;
 211                 }
 212         }
 213 }
 214
 215 function fillDestFilename(id) {
 216         if (!wgUploadAutoFill) {
 217                 return;
 218         }
 219         if (!document.getElementById) {
 220                 return;
 221         }
 222         // Remove any previously flagged errors
 223         var e = document.getElementById( 'mw-upload-permitted' );
 224         if( e ) e.className = '';
 225
 226         var e = document.getElementById( 'mw-upload-prohibited' );
 227         if( e ) e.className = '';
 228
 229         var path = document.getElementById(id).value;
 230         // Find trailing part
 231         var slash = path.lastIndexOf('/');
 232         var backslash = path.lastIndexOf('\\');
 233         var fname;
 234         if (slash == -1 && backslash == -1) {
 235                 fname = path;
 236         } else if (slash > backslash) {
 237                 fname = path.substring(slash+1, 10000);
 238         } else {
 239                 fname = path.substring(backslash+1, 10000);
 240         }
 241
 242         // Clear the filename if it does not have a valid extension.
 243         // URLs are less likely to have a useful extension, so don't include them in the
 244         // extension check.
 245         if( wgStrictFileExtensions && wgFileExtensions && id != 'wpUploadFileURL' ) {
 246                 var found = false;
 247                 if( fname.lastIndexOf( '.' ) != -1 ) {
 248                         var ext = fname.substr( fname.lastIndexOf( '.' ) + 1 );
 249                         for( var i = 0; i < wgFileExtensions.length; i++ ) {
 250                                 if( wgFileExtensions[i].toLowerCase() == ext.toLowerCase() ) {
 251                                         found = true;
 252                                         break;
 253                                 }
 254                         }
 255                 }
 256                 if( !found ) {
 257                         // Not a valid extension
 258                         // Clear the upload and set mw-upload-permitted to error
 259                         document.getElementById(id).value = '';
 260                         var e = document.getElementById( 'mw-upload-permitted' );
 261                         if( e ) e.className = 'error';
 262
 263                         var e = document.getElementById( 'mw-upload-prohibited' );
 264                         if( e ) e.className = 'error';
 265
 266                         // Clear wpDestFile as well
 267                         var e = document.getElementById( 'wpDestFile' )
 268                         if( e ) e.value = '';
 269
 270                         return false;
 271                 }
 272         }
 273
 274         // Replace spaces by underscores
 275         fname = fname.replace( / /g, '_' );
 276         // Capitalise first letter if needed
 277         if ( wgCapitalizeUploads ) {
 278                 fname = fname.charAt( 0 ).toUpperCase().concat( fname.substring( 1, 10000 ) );
 279         }
 280
 281         // Output result
 282         var destFile = document.getElementById('wpDestFile');
 283         if (destFile) {
 284                 destFile.value = fname;
 285                 wgUploadWarningObj.checkNow(fname) ;
 286         }
 287 }
 288
 289 function toggleFilenameFiller() {
 290         if(!document.getElementById) return;
 291         var upfield = document.getElementById('wpUploadFile');
 292         var destName = document.getElementById('wpDestFile').value;
 293         if (destName=='' || destName==' ') {
 294                 wgUploadAutoFill = true;
 295         } else {
 296                 wgUploadAutoFill = false;
 297         }
 298 }
 299
 300 var wgUploadLicenseObj = {
 301
 302         'responseCache' : { '' : '' },
 303
 304         'fetchPreview': function( license ) {
 305                 if( !wgAjaxLicensePreview ) return;
 306                 for (cached in this.responseCache) {
 307                         if (cached == license) {
 308                                 this.showPreview( this.responseCache[license] );
 309                                 return;
 310                         }
 311                 }
 312                 injectSpinner( document.getElementById( 'wpLicense' ), 'license' );
 313
 314                 var title = document.getElementById('wpDestFile').value;
 315                 if ( !title ) title = 'File:Sample.jpg';
 316
 317                 var url = wgScriptPath + '/api' + wgScriptExtension
 318                         + '?action=parse&text={{' + encodeURIComponent( license ) + '}}'
 319                         + '&title=' + encodeURIComponent( title )
 320                         + '&prop=text&pst&format=json';
 321
 322                 var req = sajax_init_object();
 323                 req.onreadystatechange = function() {
 324                         if ( req.readyState == 4 && req.status == 200 )
 325                                 wgUploadLicenseObj.processResult( eval( '(' + req.responseText + ')' ), license );
 326                 };
 327                 req.open( 'GET', url, true );
 328                 req.send( '' );
 329         },
 330
 331         'processResult' : function( result, license ) {
 332                 removeSpinner( 'license' );
 333                 this.responseCache[license] = result['parse']['text']['*'];
 334                 this.showPreview( this.responseCache[license] );
 335
 336         },
 337
 338         'showPreview' : function( preview ) {
 339                 var previewPanel = document.getElementById( 'mw-license-preview' );
 340                 if( previewPanel.innerHTML != preview )
 341                         previewPanel.innerHTML = preview;
 342         }
 343
 344 }
 345
 346 addOnloadHook( wgUploadSetup );