| 1 | /*
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| 2 | Copyright (c) 2003-2011, 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 | 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 refreshCursor( editor )
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| 82 | {
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| 83 | // Refresh all editor instances on the page (#5724).
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| 84 | var all = CKEDITOR.instances;
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| 85 | for ( var i in all )
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| 86 | {
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| 87 | var one = all[ i ];
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| 88 | if ( one.mode == 'wysiwyg' && !one.readOnly )
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| 89 | {
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| 90 | var body = one.document.getBody();
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| 91 | // Refresh 'contentEditable' otherwise
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| 92 | // DOM lifting breaks design mode. (#5560)
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| 93 | body.setAttribute( 'contentEditable', false );
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| 94 | body.setAttribute( 'contentEditable', true );
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| 95 | }
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| 96 | }
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| 97 |
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| 98 | if ( editor.focusManager.hasFocus )
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| 99 | {
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| 100 | editor.toolbox.focus();
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| 101 | editor.focus();
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| 102 | }
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| 103 | }
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| 104 |
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| 105 | /**
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| 106 | * Adding an iframe shim to this element, OR removing the existing one if already applied.
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| 107 | * Note: This will only affect IE version below 7.
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| 108 | */
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| 109 | function createIframeShim( element )
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| 110 | {
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| 111 | if ( !CKEDITOR.env.ie || CKEDITOR.env.version > 6 )
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| 112 | return null;
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| 113 |
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| 114 | var shim = CKEDITOR.dom.element.createFromHtml( '<iframe frameborder="0" tabindex="-1"' +
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| 115 | ' src="javascript:' +
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| 116 | 'void((function(){' +
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| 117 | 'document.open();' +
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| 118 | ( CKEDITOR.env.isCustomDomain() ? 'document.domain=\'' + this.getDocument().$.domain + '\';' : '' ) +
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| 119 | 'document.close();' +
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| 120 | '})())"' +
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| 121 | ' style="display:block;position:absolute;z-index:-1;' +
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| 122 | 'progid:DXImageTransform.Microsoft.Alpha(opacity=0);' +
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| 123 | '"></iframe>' );
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| 124 | return element.append( shim, true );
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| 125 | }
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| 126 |
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| 127 | CKEDITOR.plugins.add( 'maximize',
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| 128 | {
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| 129 | init : function( editor )
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| 130 | {
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| 131 | var lang = editor.lang;
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| 132 | var mainDocument = CKEDITOR.document,
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| 133 | mainWindow = mainDocument.getWindow();
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| 134 |
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| 135 | // Saved selection and scroll position for the editing area.
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| 136 | var savedSelection,
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| 137 | savedScroll;
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| 138 |
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| 139 | // Saved scroll position for the outer window.
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| 140 | var outerScroll;
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| 141 |
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| 142 | var shim;
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| 143 |
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| 144 | // Saved resize handler function.
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| 145 | function resizeHandler()
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| 146 | {
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| 147 | var viewPaneSize = mainWindow.getViewPaneSize();
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| 148 | shim && shim.setStyles( { width : viewPaneSize.width + 'px', height : viewPaneSize.height + 'px' } );
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| 149 | editor.resize( viewPaneSize.width, viewPaneSize.height, null, true );
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| 150 | }
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| 151 |
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| 152 | // Retain state after mode switches.
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| 153 | var savedState = CKEDITOR.TRISTATE_OFF;
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| 154 |
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| 155 | editor.addCommand( 'maximize',
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| 156 | {
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| 157 | // Disabled on iOS (#8307).
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| 158 | modes : { wysiwyg : !CKEDITOR.env.iOS, source : !CKEDITOR.env.iOS },
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| 159 | readOnly : 1,
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| 160 | editorFocus : false,
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| 161 | exec : function()
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| 162 | {
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| 163 | var container = editor.container.getChild( 1 );
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| 164 | var contents = editor.getThemeSpace( 'contents' );
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| 165 |
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| 166 | // Save current selection and scroll position in editing area.
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| 167 | if ( editor.mode == 'wysiwyg' )
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| 168 | {
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| 169 | var selection = editor.getSelection();
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| 170 | savedSelection = selection && selection.getRanges();
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| 171 | savedScroll = mainWindow.getScrollPosition();
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| 172 | }
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| 173 | else
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| 174 | {
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| 175 | var $textarea = editor.textarea.$;
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| 176 | savedSelection = !CKEDITOR.env.ie && [ $textarea.selectionStart, $textarea.selectionEnd ];
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| 177 | savedScroll = [ $textarea.scrollLeft, $textarea.scrollTop ];
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| 178 | }
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| 179 |
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| 180 | if ( this.state == CKEDITOR.TRISTATE_OFF ) // Go fullscreen if the state is off.
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| 181 | {
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| 182 | // Add event handler for resizing.
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| 183 | mainWindow.on( 'resize', resizeHandler );
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| 184 |
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| 185 | // Save the scroll bar position.
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| 186 | outerScroll = mainWindow.getScrollPosition();
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| 187 |
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| 188 | // Save and reset the styles for the entire node tree.
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| 189 | var currentNode = editor.container;
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| 190 | while ( ( currentNode = currentNode.getParent() ) )
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| 191 | {
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| 192 | currentNode.setCustomData( 'maximize_saved_styles', saveStyles( currentNode ) );
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| 193 | currentNode.setStyle( 'z-index', editor.config.baseFloatZIndex - 1 );
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| 194 | }
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| 195 | contents.setCustomData( 'maximize_saved_styles', saveStyles( contents, true ) );
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| 196 | container.setCustomData( 'maximize_saved_styles', saveStyles( container, true ) );
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| 197 |
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| 198 | // Hide scroll bars.
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| 199 | var styles =
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| 200 | {
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| 201 | overflow : CKEDITOR.env.webkit ? '' : 'hidden', // #6896
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| 202 | width : 0,
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| 203 | height : 0
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| 204 | };
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| 205 |
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| 206 | mainDocument.getDocumentElement().setStyles( styles );
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| 207 | !CKEDITOR.env.gecko && mainDocument.getDocumentElement().setStyle( 'position', 'fixed' );
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| 208 | !( CKEDITOR.env.gecko && CKEDITOR.env.quirks ) && mainDocument.getBody().setStyles( styles );
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| 209 |
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| 210 | // Scroll to the top left (IE needs some time for it - #4923).
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| 211 | CKEDITOR.env.ie ?
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| 212 | setTimeout( function() { mainWindow.$.scrollTo( 0, 0 ); }, 0 ) :
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| 213 | mainWindow.$.scrollTo( 0, 0 );
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| 214 |
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| 215 | // Resize and move to top left.
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| 216 | // Special treatment for FF Quirks (#7284)
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| 217 | container.setStyle( 'position', CKEDITOR.env.gecko && CKEDITOR.env.quirks ? 'fixed' : 'absolute' );
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| 218 | container.$.offsetLeft; // SAFARI BUG: See #2066.
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| 219 | container.setStyles(
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| 220 | {
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| 221 | 'z-index' : editor.config.baseFloatZIndex - 1,
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| 222 | left : '0px',
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| 223 | top : '0px'
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| 224 | } );
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| 225 |
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| 226 | shim = createIframeShim( container ); // IE6 select element penetration when maximized. (#4459)
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| 227 |
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| 228 | // Add cke_maximized class before resize handle since that will change things sizes (#5580)
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| 229 | container.addClass( 'cke_maximized' );
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| 230 |
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| 231 | resizeHandler();
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| 232 |
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| 233 | // Still not top left? Fix it. (Bug #174)
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| 234 | var offset = container.getDocumentPosition();
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| 235 | container.setStyles(
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| 236 | {
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| 237 | left : ( -1 * offset.x ) + 'px',
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| 238 | top : ( -1 * offset.y ) + 'px'
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| 239 | } );
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| 240 |
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| 241 | // Fixing positioning editor chrome in Firefox break design mode. (#5149)
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| 242 | CKEDITOR.env.gecko && refreshCursor( editor );
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| 243 |
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| 244 | }
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| 245 | else if ( this.state == CKEDITOR.TRISTATE_ON ) // Restore from fullscreen if the state is on.
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| 246 | {
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| 247 | // Remove event handler for resizing.
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| 248 | mainWindow.removeListener( 'resize', resizeHandler );
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| 249 |
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| 250 | // Restore CSS styles for the entire node tree.
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| 251 | var editorElements = [ contents, container ];
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| 252 | for ( var i = 0 ; i < editorElements.length ; i++ )
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| 253 | {
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| 254 | restoreStyles( editorElements[i], editorElements[i].getCustomData( 'maximize_saved_styles' ) );
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| 255 | editorElements[i].removeCustomData( 'maximize_saved_styles' );
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| 256 | }
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| 257 |
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| 258 | currentNode = editor.container;
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| 259 | while ( ( currentNode = currentNode.getParent() ) )
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| 260 | {
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| 261 | restoreStyles( currentNode, currentNode.getCustomData( 'maximize_saved_styles' ) );
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| 262 | currentNode.removeCustomData( 'maximize_saved_styles' );
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| 263 | }
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| 264 |
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| 265 | // Restore the window scroll position.
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| 266 | CKEDITOR.env.ie ?
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| 267 | setTimeout( function() { mainWindow.$.scrollTo( outerScroll.x, outerScroll.y ); }, 0 ) :
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| 268 | mainWindow.$.scrollTo( outerScroll.x, outerScroll.y );
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| 269 |
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| 270 | // Remove cke_maximized class.
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| 271 | container.removeClass( 'cke_maximized' );
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| 272 |
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| 273 | // Webkit requires a re-layout on editor chrome. (#6695)
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| 274 | if ( CKEDITOR.env.webkit )
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| 275 | {
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| 276 | container.setStyle( 'display', 'inline' );
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| 277 | setTimeout( function(){ container.setStyle( 'display', 'block' ); }, 0 );
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| 278 | }
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| 279 |
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| 280 | if ( shim )
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| 281 | {
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| 282 | shim.remove();
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| 283 | shim = null;
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| 284 | }
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| 285 |
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| 286 | // Emit a resize event, because this time the size is modified in
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| 287 | // restoreStyles.
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| 288 | editor.fire( 'resize' );
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| 289 | }
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| 290 |
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| 291 | this.toggleState();
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| 292 |
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| 293 | // Toggle button label.
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| 294 | var button = this.uiItems[ 0 ];
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| 295 | // Only try to change the button if it exists (#6166)
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| 296 | if( button )
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| 297 | {
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| 298 | var label = ( this.state == CKEDITOR.TRISTATE_OFF )
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| 299 | ? lang.maximize : lang.minimize;
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| 300 | var buttonNode = editor.element.getDocument().getById( button._.id );
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| 301 | buttonNode.getChild( 1 ).setHtml( label );
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| 302 | buttonNode.setAttribute( 'title', label );
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| 303 | buttonNode.setAttribute( 'href', 'javascript:void("' + label + '");' );
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| 304 | }
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| 305 |
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| 306 | // Restore selection and scroll position in editing area.
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| 307 | if ( editor.mode == 'wysiwyg' )
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| 308 | {
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| 309 | if ( savedSelection )
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| 310 | {
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| 311 | // Fixing positioning editor chrome in Firefox break design mode. (#5149)
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| 312 | CKEDITOR.env.gecko && refreshCursor( editor );
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| 313 |
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| 314 | editor.getSelection().selectRanges(savedSelection);
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| 315 | var element = editor.getSelection().getStartElement();
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| 316 | element && element.scrollIntoView( true );
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| 317 | }
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| 318 |
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| 319 | else
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| 320 | mainWindow.$.scrollTo( savedScroll.x, savedScroll.y );
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| 321 | }
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| 322 | else
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| 323 | {
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| 324 | if ( savedSelection )
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| 325 | {
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| 326 | $textarea.selectionStart = savedSelection[0];
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| 327 | $textarea.selectionEnd = savedSelection[1];
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| 328 | }
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| 329 | $textarea.scrollLeft = savedScroll[0];
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| 330 | $textarea.scrollTop = savedScroll[1];
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| 331 | }
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| 332 |
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| 333 | savedSelection = savedScroll = null;
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| 334 | savedState = this.state;
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| 335 | },
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| 336 | canUndo : false
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| 337 | } );
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| 338 |
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| 339 | editor.ui.addButton( 'Maximize',
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| 340 | {
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| 341 | label : lang.maximize,
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| 342 | command : 'maximize'
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| 343 | } );
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| 344 |
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| 345 | // Restore the command state after mode change, unless it has been changed to disabled (#6467)
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| 346 | editor.on( 'mode', function()
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| 347 | {
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| 348 | var command = editor.getCommand( 'maximize' );
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| 349 | command.setState( command.state == CKEDITOR.TRISTATE_DISABLED ? CKEDITOR.TRISTATE_DISABLED : savedState );
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| 350 | }, null, null, 100 );
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| 351 | }
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| 352 | } );
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| 353 | })();
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