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