| 1 | /*
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| 2 | Copyright (c) 2003-2010, CKSource - Frederico Knabben. All rights reserved.
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| 3 | For licensing, see LICENSE.html or http://ckeditor.com/license
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| 4 | */
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| 5 |
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| 6 | (function()
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| 7 | {
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| 8 | function protectFormStyles( formElement )
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| 9 | {
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| 10 | if ( !formElement || formElement.type != CKEDITOR.NODE_ELEMENT || formElement.getName() != 'form' )
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| 11 | return [];
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| 12 |
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| 13 | var hijackRecord = [];
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| 14 | var hijackNames = [ 'style', 'className' ];
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| 15 | for ( var i = 0 ; i < hijackNames.length ; i++ )
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| 16 | {
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| 17 | var name = hijackNames[i];
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| 18 | var $node = formElement.$.elements.namedItem( name );
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| 19 | if ( $node )
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| 20 | {
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| 21 | var hijackNode = new CKEDITOR.dom.element( $node );
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| 22 | hijackRecord.push( [ hijackNode, hijackNode.nextSibling ] );
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| 23 | hijackNode.remove();
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| 24 | }
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| 25 | }
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| 26 |
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| 27 | return hijackRecord;
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| 28 | }
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| 29 |
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| 30 | function restoreFormStyles( formElement, hijackRecord )
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| 31 | {
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| 32 | if ( !formElement || formElement.type != CKEDITOR.NODE_ELEMENT || formElement.getName() != 'form' )
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| 33 | return;
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| 34 |
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| 35 | if ( hijackRecord.length > 0 )
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| 36 | {
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| 37 | for ( var i = hijackRecord.length - 1 ; i >= 0 ; i-- )
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| 38 | {
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| 39 | var node = hijackRecord[i][0];
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| 40 | var sibling = hijackRecord[i][1];
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| 41 | if ( sibling )
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| 42 | node.insertBefore( sibling );
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| 43 | else
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| 44 | node.appendTo( formElement );
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| 45 | }
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| 46 | }
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| 47 | }
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| 48 |
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| 49 | function saveStyles( element, isInsideEditor )
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| 50 | {
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| 51 | var data = protectFormStyles( element );
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| 52 | var retval = {};
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| 53 |
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| 54 | var $element = element.$;
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| 55 |
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| 56 | if ( !isInsideEditor )
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| 57 | {
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| 58 | retval[ 'class' ] = $element.className || '';
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| 59 | $element.className = '';
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| 60 | }
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| 61 |
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| 62 | retval.inline = $element.style.cssText || '';
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| 63 | if ( !isInsideEditor ) // Reset any external styles that might interfere. (#2474)
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| 64 | $element.style.cssText = 'position: static; overflow: visible';
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| 65 |
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| 66 | restoreFormStyles( data );
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| 67 | return retval;
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| 68 | }
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| 69 |
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| 70 | function restoreStyles( element, savedStyles )
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| 71 | {
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| 72 | var data = protectFormStyles( element );
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| 73 | var $element = element.$;
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| 74 | if ( 'class' in savedStyles )
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| 75 | $element.className = savedStyles[ 'class' ];
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| 76 | if ( 'inline' in savedStyles )
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| 77 | $element.style.cssText = savedStyles.inline;
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| 78 | restoreFormStyles( data );
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| 79 | }
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| 80 |
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| 81 | function getResizeHandler( mainWindow, editor )
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| 82 | {
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| 83 | return function()
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| 84 | {
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| 85 | var viewPaneSize = mainWindow.getViewPaneSize();
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| 86 | editor.resize( viewPaneSize.width, viewPaneSize.height, null, true );
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| 87 | };
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| 88 | }
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| 89 |
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| 90 | function refreshCursor( editor )
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| 91 | {
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| 92 | if ( editor.focusManager.hasFocus )
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| 93 | {
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| 94 | var focusGrabber = editor.container.append( CKEDITOR.dom.element.createFromHtml(
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| 95 | '<span tabindex="-1" style="position:absolute; left:-10000" role="presentation"></span>' ) );
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| 96 |
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| 97 | focusGrabber.on( 'focus', function()
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| 98 | {
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| 99 | editor.focus();
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| 100 | } );
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| 101 | focusGrabber.focus();
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| 102 | focusGrabber.remove();
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| 103 | }
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| 104 | }
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| 105 |
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| 106 | CKEDITOR.plugins.add( 'maximize',
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| 107 | {
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| 108 | init : function( editor )
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| 109 | {
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| 110 | var lang = editor.lang;
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| 111 | var mainDocument = CKEDITOR.document;
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| 112 | var mainWindow = mainDocument.getWindow();
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| 113 |
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| 114 | // Saved selection and scroll position for the editing area.
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| 115 | var savedSelection;
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| 116 | var savedScroll;
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| 117 |
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| 118 | // Saved scroll position for the outer window.
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| 119 | var outerScroll;
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| 120 |
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| 121 | // Saved resize handler function.
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| 122 | var resizeHandler = getResizeHandler( mainWindow, editor );
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| 123 |
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| 124 | // Retain state after mode switches.
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| 125 | var savedState = CKEDITOR.TRISTATE_OFF;
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| 126 |
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| 127 | editor.addCommand( 'maximize',
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| 128 | {
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| 129 | modes : { wysiwyg : 1, source : 1 },
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| 130 | editorFocus : false,
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| 131 | exec : function()
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| 132 | {
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| 133 | var container = editor.container.getChild( 1 );
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| 134 | var contents = editor.getThemeSpace( 'contents' );
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| 135 |
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| 136 | // Save current selection and scroll position in editing area.
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| 137 | if ( editor.mode == 'wysiwyg' )
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| 138 | {
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| 139 | var selection = editor.getSelection();
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| 140 | savedSelection = selection && selection.getRanges();
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| 141 | savedScroll = mainWindow.getScrollPosition();
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| 142 | }
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| 143 | else
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| 144 | {
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| 145 | var $textarea = editor.textarea.$;
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| 146 | savedSelection = !CKEDITOR.env.ie && [ $textarea.selectionStart, $textarea.selectionEnd ];
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| 147 | savedScroll = [ $textarea.scrollLeft, $textarea.scrollTop ];
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| 148 | }
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| 149 |
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| 150 | if ( this.state == CKEDITOR.TRISTATE_OFF ) // Go fullscreen if the state is off.
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| 151 | {
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| 152 | // Add event handler for resizing.
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| 153 | mainWindow.on( 'resize', resizeHandler );
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| 154 |
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| 155 | // Save the scroll bar position.
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| 156 | outerScroll = mainWindow.getScrollPosition();
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| 157 |
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| 158 | // Save and reset the styles for the entire node tree.
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| 159 | var currentNode = editor.container;
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| 160 | while ( ( currentNode = currentNode.getParent() ) )
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| 161 | {
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| 162 | currentNode.setCustomData( 'maximize_saved_styles', saveStyles( currentNode ) );
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| 163 | currentNode.setStyle( 'z-index', editor.config.baseFloatZIndex - 1 );
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| 164 | }
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| 165 | contents.setCustomData( 'maximize_saved_styles', saveStyles( contents, true ) );
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| 166 | container.setCustomData( 'maximize_saved_styles', saveStyles( container, true ) );
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| 167 |
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| 168 | // Hide scroll bars.
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| 169 | if ( CKEDITOR.env.ie )
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| 170 | {
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| 171 | mainDocument.$.documentElement.style.overflow =
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| 172 | mainDocument.getBody().$.style.overflow = 'hidden';
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| 173 | }
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| 174 | else
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| 175 | {
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| 176 | mainDocument.getBody().setStyles(
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| 177 | {
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| 178 | overflow : 'hidden',
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| 179 | width : '0px',
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| 180 | height : '0px'
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| 181 | } );
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| 182 | }
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| 183 |
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| 184 | // Scroll to the top left (IE needs some time for it - #4923).
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| 185 | CKEDITOR.env.ie ?
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| 186 | setTimeout( function() { mainWindow.$.scrollTo( 0, 0 ); }, 0 ) :
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| 187 | mainWindow.$.scrollTo( 0, 0 );
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| 188 |
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| 189 | // Resize and move to top left.
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| 190 | var viewPaneSize = mainWindow.getViewPaneSize();
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| 191 | container.setStyle( 'position', 'absolute' );
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| 192 | container.$.offsetLeft; // SAFARI BUG: See #2066.
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| 193 | container.setStyles(
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| 194 | {
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| 195 | 'z-index' : editor.config.baseFloatZIndex - 1,
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| 196 | left : '0px',
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| 197 | top : '0px'
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| 198 | } );
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| 199 | editor.resize( viewPaneSize.width, viewPaneSize.height, null, true );
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| 200 |
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| 201 | // Still not top left? Fix it. (Bug #174)
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| 202 | var offset = container.getDocumentPosition();
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| 203 | container.setStyles(
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| 204 | {
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| 205 | left : ( -1 * offset.x ) + 'px',
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| 206 | top : ( -1 * offset.y ) + 'px'
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| 207 | } );
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| 208 |
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| 209 | // Fixing positioning editor chrome in Firefox break design mode. (#5149)
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| 210 | CKEDITOR.env.gecko && refreshCursor( editor );
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| 211 |
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| 212 | // Add cke_maximized class.
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| 213 | container.addClass( 'cke_maximized' );
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| 214 | }
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| 215 | else if ( this.state == CKEDITOR.TRISTATE_ON ) // Restore from fullscreen if the state is on.
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| 216 | {
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| 217 | // Remove event handler for resizing.
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| 218 | mainWindow.removeListener( 'resize', resizeHandler );
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| 219 |
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| 220 | // Restore CSS styles for the entire node tree.
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| 221 | var editorElements = [ contents, container ];
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| 222 | for ( var i = 0 ; i < editorElements.length ; i++ )
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| 223 | {
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| 224 | restoreStyles( editorElements[i], editorElements[i].getCustomData( 'maximize_saved_styles' ) );
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| 225 | editorElements[i].removeCustomData( 'maximize_saved_styles' );
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| 226 | }
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| 227 |
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| 228 | currentNode = editor.container;
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| 229 | while ( ( currentNode = currentNode.getParent() ) )
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| 230 | {
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| 231 | restoreStyles( currentNode, currentNode.getCustomData( 'maximize_saved_styles' ) );
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| 232 | currentNode.removeCustomData( 'maximize_saved_styles' );
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| 233 | }
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| 234 |
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| 235 | // Restore the window scroll position.
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| 236 | CKEDITOR.env.ie ?
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| 237 | setTimeout( function() { mainWindow.$.scrollTo( outerScroll.x, outerScroll.y ); }, 0 ) :
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| 238 | mainWindow.$.scrollTo( outerScroll.x, outerScroll.y );
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| 239 |
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| 240 | // Remove cke_maximized class.
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| 241 | container.removeClass( 'cke_maximized' );
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| 242 |
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| 243 | // Emit a resize event, because this time the size is modified in
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| 244 | // restoreStyles.
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| 245 | editor.fire( 'resize' );
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| 246 | }
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| 247 |
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| 248 | this.toggleState();
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| 249 |
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| 250 | // Toggle button label.
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| 251 | var button = this.uiItems[ 0 ];
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| 252 | var label = ( this.state == CKEDITOR.TRISTATE_OFF )
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| 253 | ? lang.maximize : lang.minimize;
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| 254 | var buttonNode = editor.element.getDocument().getById( button._.id );
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| 255 | buttonNode.getChild( 1 ).setHtml( label );
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| 256 | buttonNode.setAttribute( 'title', label );
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| 257 | buttonNode.setAttribute( 'href', 'javascript:void("' + label + '");' );
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| 258 |
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| 259 | // Restore selection and scroll position in editing area.
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| 260 | if ( editor.mode == 'wysiwyg' )
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| 261 | {
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| 262 | if ( savedSelection )
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| 263 | {
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| 264 | // Fixing positioning editor chrome in Firefox break design mode. (#5149)
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| 265 | CKEDITOR.env.gecko && refreshCursor( editor );
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| 266 |
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| 267 | editor.getSelection().selectRanges(savedSelection);
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| 268 | var element = editor.getSelection().getStartElement();
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| 269 | element && element.scrollIntoView( true );
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| 270 | }
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| 271 |
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| 272 | else
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| 273 | mainWindow.$.scrollTo( savedScroll.x, savedScroll.y );
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| 274 | }
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| 275 | else
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| 276 | {
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| 277 | if ( savedSelection )
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| 278 | {
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| 279 | $textarea.selectionStart = savedSelection[0];
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| 280 | $textarea.selectionEnd = savedSelection[1];
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| 281 | }
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| 282 | $textarea.scrollLeft = savedScroll[0];
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| 283 | $textarea.scrollTop = savedScroll[1];
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| 284 | }
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| 285 |
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| 286 | savedSelection = savedScroll = null;
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| 287 | savedState = this.state;
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| 288 | },
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| 289 | canUndo : false
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| 290 | } );
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| 291 |
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| 292 | editor.ui.addButton( 'Maximize',
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| 293 | {
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| 294 | label : lang.maximize,
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| 295 | command : 'maximize'
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| 296 | } );
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| 297 |
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| 298 | // Restore the command state after mode change.
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| 299 | editor.on( 'mode', function()
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| 300 | {
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| 301 | editor.getCommand( 'maximize' ).setState( savedState );
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| 302 | }, null, null, 100 );
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| 303 | }
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| 304 | } );
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| 305 | })();
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