skins/common/upload.js

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