_source/plugins/colordialog/dialogs/colordialog.js

   1 /*
   2 Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
   3 For licensing, see LICENSE.html or http://ckeditor.com/license
   4 */
   5
   6 CKEDITOR.dialog.add( 'colordialog', function( editor )
   7         {
   8                 // Define some shorthands.
   9                 var $el = CKEDITOR.dom.element,
  10                         $doc = CKEDITOR.document,
  11                         $tools = CKEDITOR.tools,
  12                         lang = editor.lang.colordialog;
  13
  14                 // Reference the dialog.
  15                 var dialog;
  16
  17                 var spacer =
  18                 {
  19                         type : 'html',
  20                         html : '&nbsp;'
  21                 };
  22
  23                 function clearSelected()
  24                 {
  25                         $doc.getById( selHiColorId ).removeStyle( 'background-color' );
  26                         dialog.getContentElement( 'picker', 'selectedColor' ).setValue( '' );
  27                 }
  28
  29                 function updateSelected( evt )
  30                 {
  31                         if ( ! ( evt instanceof CKEDITOR.dom.event ) )
  32                                 evt = new CKEDITOR.dom.event( evt );
  33
  34                         var target = evt.getTarget(),
  35                                 color;
  36
  37                         if ( target.getName() == 'a' && ( color = target.getChild( 0 ).getHtml() ) )
  38                                 dialog.getContentElement( 'picker', 'selectedColor' ).setValue( color );
  39                 }
  40
  41                 function updateHighlight( event )
  42                 {
  43                         if ( ! ( event instanceof CKEDITOR.dom.event ) )
  44                                 event = event.data;
  45
  46                         var target = event.getTarget(),
  47                                         color;
  48
  49                         if ( target.getName() == 'a' && ( color = target.getChild( 0 ).getHtml() ) )
  50                         {
  51                                 $doc.getById( hicolorId ).setStyle( 'background-color', color );
  52                                 $doc.getById( hicolorTextId ).setHtml( color );
  53                         }
  54                 }
  55
  56                 function clearHighlight()
  57                 {
  58                         $doc.getById( hicolorId ).removeStyle( 'background-color' );
  59                         $doc.getById( hicolorTextId ).setHtml( '&nbsp;' );
  60                 }
  61
  62                 var onMouseout = $tools.addFunction( clearHighlight ),
  63                         onClick = updateSelected,
  64                         onClickHandler = CKEDITOR.tools.addFunction( onClick ),
  65                         onFocus = updateHighlight,
  66                         onBlur = clearHighlight;
  67
  68                 var onKeydownHandler = CKEDITOR.tools.addFunction( function( ev )
  69                 {
  70                         ev = new CKEDITOR.dom.event( ev );
  71                         var element = ev.getTarget();
  72                         var relative, nodeToMove;
  73                         var keystroke = ev.getKeystroke(),
  74                                 rtl = editor.lang.dir == 'rtl';
  75
  76                         switch ( keystroke )
  77                         {
  78                                 // UP-ARROW
  79                                 case 38 :
  80                                         // relative is TR
  81                                         if ( ( relative = element.getParent().getParent().getPrevious() ) )
  82                                         {
  83                                                 nodeToMove = relative.getChild( [element.getParent().getIndex(), 0] );
  84                                                 nodeToMove.focus();
  85                                                 onBlur( ev, element );
  86                                                 onFocus( ev, nodeToMove );
  87                                         }
  88                                         ev.preventDefault();
  89                                         break;
  90                                 // DOWN-ARROW
  91                                 case 40 :
  92                                         // relative is TR
  93                                         if ( ( relative = element.getParent().getParent().getNext() ) )
  94                                         {
  95                                                 nodeToMove = relative.getChild( [ element.getParent().getIndex(), 0 ] );
  96                                                 if ( nodeToMove && nodeToMove.type == 1 )
  97                                                 {
  98                                                         nodeToMove.focus();
  99                                                         onBlur( ev, element );
 100                                                         onFocus( ev, nodeToMove );
 101                                                 }
 102                                         }
 103                                         ev.preventDefault();
 104                                         break;
 105                                 // SPACE
 106                                 // ENTER is already handled as onClick
 107                                 case 32 :
 108                                         onClick( ev );
 109                                         ev.preventDefault();
 110                                         break;
 111
 112                                 // RIGHT-ARROW
 113                                 case rtl ? 37 : 39 :
 114                                         // relative is TD
 115                                         if ( ( relative = element.getParent().getNext() ) )
 116                                         {
 117                                                 nodeToMove = relative.getChild( 0 );
 118                                                 if ( nodeToMove.type == 1 )
 119                                                 {
 120                                                         nodeToMove.focus();
 121                                                         onBlur( ev, element );
 122                                                         onFocus( ev, nodeToMove );
 123                                                         ev.preventDefault( true );
 124                                                 }
 125                                                 else
 126                                                         onBlur( null, element );
 127                                         }
 128                                         // relative is TR
 129                                         else if ( ( relative = element.getParent().getParent().getNext() ) )
 130                                         {
 131                                                 nodeToMove = relative.getChild( [ 0, 0 ] );
 132                                                 if ( nodeToMove && nodeToMove.type == 1 )
 133                                                 {
 134                                                         nodeToMove.focus();
 135                                                         onBlur( ev, element );
 136                                                         onFocus( ev, nodeToMove );
 137                                                         ev.preventDefault( true );
 138                                                 }
 139                                                 else
 140                                                         onBlur( null, element );
 141                                         }
 142                                         break;
 143
 144                                 // LEFT-ARROW
 145                                 case rtl ? 39 : 37 :
 146                                         // relative is TD
 147                                         if ( ( relative = element.getParent().getPrevious() ) )
 148                                         {
 149                                                 nodeToMove = relative.getChild( 0 );
 150                                                 nodeToMove.focus();
 151                                                 onBlur( ev, element );
 152                                                 onFocus( ev, nodeToMove );
 153                                                 ev.preventDefault( true );
 154                                         }
 155                                         // relative is TR
 156                                         else if ( ( relative = element.getParent().getParent().getPrevious() ) )
 157                                         {
 158                                                 nodeToMove = relative.getLast().getChild( 0 );
 159                                                 nodeToMove.focus();
 160                                                 onBlur( ev, element );
 161                                                 onFocus( ev, nodeToMove );
 162                                                 ev.preventDefault( true );
 163                                         }
 164                                         else
 165                                                 onBlur( null, element );
 166                                         break;
 167                                 default :
 168                                         // Do not stop not handled events.
 169                                         return;
 170                         }
 171                 });
 172
 173                 function createColorTable()
 174                 {
 175                         // Create the base colors array.
 176                         var aColors = [ '00', '33', '66', '99', 'cc', 'ff' ];
 177
 178                         // This function combines two ranges of three values from the color array into a row.
 179                         function appendColorRow( rangeA, rangeB )
 180                         {
 181                                 for ( var i = rangeA ; i < rangeA + 3 ; i++ )
 182                                 {
 183                                         var row = table.$.insertRow( -1 );
 184
 185                                         for ( var j = rangeB ; j < rangeB + 3 ; j++ )
 186                                         {
 187                                                 for ( var n = 0 ; n < 6 ; n++ )
 188                                                 {
 189                                                         appendColorCell( row, '#' + aColors[j] + aColors[n] + aColors[i] );
 190                                                 }
 191                                         }
 192                                 }
 193                         }
 194
 195                         // This function create a single color cell in the color table.
 196                         function appendColorCell( targetRow, color )
 197                         {
 198                                 var cell = new $el( targetRow.insertCell( -1 ) );
 199                                 cell.setAttribute( 'class', 'ColorCell' );
 200                                 cell.setStyle( 'background-color', color );
 201
 202                                 cell.setStyle( 'width', '15px' );
 203                                 cell.setStyle( 'height', '15px' );
 204
 205                                 var index = cell.$.cellIndex + 1 + 18 * targetRow.rowIndex;
 206                                 cell.append( CKEDITOR.dom.element.createFromHtml(
 207                                                 '<a href="javascript: void(0);" role="option"' +
 208                                                 ' aria-posinset="' + index + '"' +
 209                                                 ' aria-setsize="' + 13 * 18 + '"' +
 210                                                 ' style="cursor: pointer;display:block;width:100%;height:100% " title="'+ CKEDITOR.tools.htmlEncode( color )+ '"' +
 211                                                 ' onkeydown="CKEDITOR.tools.callFunction( ' + onKeydownHandler + ', event, this )"' +
 212                                                 ' onclick="CKEDITOR.tools.callFunction(' + onClickHandler + ', event, this ); return false;"' +
 213                                                 ' tabindex="-1"><span class="cke_voice_label">' + color + '</span>&nbsp;</a>', CKEDITOR.document ) );
 214                         }
 215
 216                         appendColorRow( 0, 0 );
 217                         appendColorRow( 3, 0 );
 218                         appendColorRow( 0, 3 );
 219                         appendColorRow( 3, 3 );
 220
 221                         // Create the last row.
 222                         var oRow = table.$.insertRow(-1) ;
 223
 224                         // Create the gray scale colors cells.
 225                         for ( var n = 0 ; n < 6 ; n++ )
 226                         {
 227                                 appendColorCell( oRow, '#' + aColors[n] + aColors[n] + aColors[n] ) ;
 228                         }
 229
 230                         // Fill the row with black cells.
 231                         for ( var i = 0 ; i < 12 ; i++ )
 232                         {
 233                                 appendColorCell( oRow, '#000000' ) ;
 234                         }
 235                 }
 236
 237                 var table = new $el( 'table' );
 238                 createColorTable();
 239                 var html = table.getHtml();
 240
 241                 var numbering = function( id )
 242                         {
 243                                 return CKEDITOR.tools.getNextId() + '_' + id;
 244                         },
 245                         hicolorId = numbering( 'hicolor' ),
 246                         hicolorTextId = numbering( 'hicolortext' ),
 247                         selHiColorId = numbering( 'selhicolor' ),
 248                         tableLabelId = numbering( 'color_table_label' );
 249
 250                 return {
 251                         title : lang.title,
 252                         minWidth : 360,
 253                         minHeight : 220,
 254                         onLoad : function()
 255                         {
 256                                 // Update reference.
 257                                 dialog = this;
 258                         },
 259                         contents : [
 260                                 {
 261                                         id : 'picker',
 262                                         label : lang.title,
 263                                         accessKey : 'I',
 264                                         elements :
 265                                         [
 266                                                 {
 267                                                         type : 'hbox',
 268                                                         padding : 0,
 269                                                         widths : [ '70%', '10%', '30%' ],
 270                                                         children :
 271                                                         [
 272                                                                 {
 273                                                                         type : 'html',
 274                                                                         html :  '<table role="listbox" aria-labelledby="' + tableLabelId + '" onmouseout="CKEDITOR.tools.callFunction( ' + onMouseout + ' );">' +
 275                                                                                         ( !CKEDITOR.env.webkit ? html : '' ) +
 276                                                                                 '</table><span id="' + tableLabelId + '" class="cke_voice_label">' + lang.options +'</span>',
 277                                                                         onLoad : function()
 278                                                                         {
 279                                                                                 var table = CKEDITOR.document.getById( this.domId );
 280                                                                                 table.on( 'mouseover', updateHighlight );
 281                                                                                 // In WebKit, the table content must be inserted after this event call (#6150)
 282                                                                                 CKEDITOR.env.webkit && table.setHtml( html );
 283                                                                         },
 284                                                                         focus: function()
 285                                                                         {
 286                                                                                 var firstColor = this.getElement().getElementsByTag( 'a' ).getItem( 0 );
 287                                                                                 firstColor.focus();
 288                                                                         }
 289                                                                 },
 290                                                                 spacer,
 291                                                                 {
 292                                                                         type : 'vbox',
 293                                                                         padding : 0,
 294                                                                         widths : [ '70%', '5%', '25%' ],
 295                                                                         children :
 296                                                                         [
 297                                                                                 {
 298                                                                                         type : 'html',
 299                                                                                         html : '<span>' + lang.highlight +'</span>\
 300                                                                                                 <div id="' + hicolorId + '" style="border: 1px solid; height: 74px; width: 74px;"></div>\
 301                                                                                                 <div id="' + hicolorTextId + '">&nbsp;</div><span>' + lang.selected + '</span>\
 302                                                                                                 <div id="' + selHiColorId + '" style="border: 1px solid; height: 20px; width: 74px;"></div>'
 303                                                                                 },
 304                                                                                 {
 305                                                                                         type : 'text',
 306                                                                                         label : lang.selected,
 307                                                                                         labelStyle: 'display:none',
 308                                                                                         id : 'selectedColor',
 309                                                                                         style : 'width: 74px',
 310                                                                                         onChange : function()
 311                                                                                         {
 312                                                                                                 // Try to update color preview with new value. If fails, then set it no none.
 313                                                                                                 try
 314                                                                                                 {
 315                                                                                                         $doc.getById( selHiColorId ).setStyle( 'background-color', this.getValue() );
 316                                                                                                 }
 317                                                                                                 catch ( e )
 318                                                                                                 {
 319                                                                                                         clearSelected();
 320                                                                                                 }
 321                                                                                         }
 322                                                                                 },
 323                                                                                 spacer,
 324                                                                                 {
 325                                                                                         type : 'button',
 326                                                                                         id : 'clear',
 327                                                                                         style : 'margin-top: 5px',
 328                                                                                         label : lang.clear,
 329                                                                                         onClick : clearSelected
 330                                                                                 }
 331                                                                         ]
 332                                                                 }
 333                                                         ]
 334                                                 }
 335                                         ]
 336                                 }
 337                         ]
 338                 };
 339         }
 340         );