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