89 lines
2.8 KiB
JavaScript
89 lines
2.8 KiB
JavaScript
/*
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Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
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For licensing, see LICENSE.html or http://ckeditor.com/license
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*/
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/**
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* @file AutoGrow plugin
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*/
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(function(){
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var resizeEditor = function( editor )
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{
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if ( !editor.window )
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return;
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var doc = editor.document,
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currentHeight = editor.window.getViewPaneSize().height,
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newHeight;
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// We can not use documentElement to calculate the height for IE (#6061).
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// It is not good for IE Quirks, yet using offsetHeight would also not work as expected (#6408).
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// We do the same for FF because of the html height workaround (#6341).
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if ( CKEDITOR.env.ie || CKEDITOR.env.gecko )
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newHeight = doc.getBody().$.scrollHeight + ( CKEDITOR.env.ie && CKEDITOR.env.quirks ? 0 : 24 );
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else
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newHeight = doc.getDocumentElement().$.offsetHeight;
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var min = editor.config.autoGrow_minHeight,
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max = editor.config.autoGrow_maxHeight;
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( min == undefined ) && ( editor.config.autoGrow_minHeight = min = 200 );
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if ( min )
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newHeight = Math.max( newHeight, min );
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if ( max )
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newHeight = Math.min( newHeight, max );
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if ( newHeight != currentHeight )
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{
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newHeight = editor.fire( 'autoGrow', { currentHeight : currentHeight, newHeight : newHeight } ).newHeight;
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editor.resize( editor.container.getStyle( 'width' ), newHeight, true );
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}
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};
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CKEDITOR.plugins.add( 'autogrow',
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{
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init : function( editor )
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{
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for ( var eventName in { contentDom:1, key:1, selectionChange:1, insertElement:1 } )
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{
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editor.on( eventName, function( evt )
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{
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var maximize = editor.getCommand( 'maximize' );
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// Some time is required for insertHtml, and it gives other events better performance as well.
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if ( evt.editor.mode == 'wysiwyg' &&
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// Disable autogrow when the editor is maximized .(#6339)
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( !maximize || maximize.state != CKEDITOR.TRISTATE_ON ) )
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{
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setTimeout( function(){ resizeEditor( evt.editor ); }, 100 );
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}
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});
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}
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}
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});
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})();
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/**
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* The minimum height to which the editor can reach using AutoGrow.
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* @name CKEDITOR.config.autoGrow_minHeight
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* @type Number
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* @default 200
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* @since 3.4
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* @example
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* config.autoGrow_minHeight = 300;
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*/
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/**
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* The maximum height to which the editor can reach using AutoGrow. Zero means unlimited.
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* @name CKEDITOR.config.autoGrow_maxHeight
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* @type Number
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* @default 0
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* @since 3.4
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* @example
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* config.autoGrow_maxHeight = 400;
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*/
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/**
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* Fired when the AutoGrow plugin is about to change the size of the editor.
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* @name CKEDITOR.editor#autogrow
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* @event
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* @param {Number} data.currentHeight The current height of the editor (before the resizing).
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* @param {Number} data.newHeight The new height of the editor (after the resizing). It can be changed
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* to determine another height to be used instead.
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*/
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