ckfinder/plugins/imageresize/plugin.js

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/*
 * Copyright (c) 2003-2012, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.html or http://CKFINDER.com/license
 *
 * The software, this file and its contents are subject to the CKFinder
 * License. Please read the license.txt file before using, installing, copying,
 * modifying or distribute this file or part of its contents. The contents of
 * this file is part of the Source Code of CKFinder.
 */

CKFinder.addPlugin( 'imageresize', {
	readOnly: false,
	connectorInitialized : function( api, xml ) {
		var node = xml.selectSingleNode( 'Connector/PluginsInfo/imageresize/@smallThumb' );
		if ( node )
			CKFinder.config.imageresize_thumbSmall = node.value;

		node = xml.selectSingleNode( 'Connector/PluginsInfo/imageresize/@mediumThumb' );
		if ( node )
			CKFinder.config.imageresize_thumbMedium = node.value;

		node = xml.selectSingleNode( 'Connector/PluginsInfo/imageresize/@largeThumb' );
		if ( node )
			CKFinder.config.imageresize_thumbLarge = node.value;
	},
	uiReady : function( api ) {
	var regexExt = /^(.*)\.([^\.]+)$/,
		regexFileName = /^(.*?)(?:_\d+x\d+)?\.([^\.]+)$/,
		regexGetSize = /^\s*(\d+)(px)?\s*$/i,
		regexGetSizeOrEmpty = /(^\s*(\d+)(px)?\s*$)|^$/i,
		imageDimension = { width : 0, height : 0 },
		file,
		doc;

	var updateFileName = function( dialog )
	{
		var width = dialog.getValueOf( 'tab1', 'width' ) || 0,
			height = dialog.getValueOf( 'tab1', 'height' ) || 0,
			e = dialog.getContentElement('tab1', 'createNewBox');

		if ( width && height )
		{
			var matches = file.name.match( regexFileName );
			dialog.setValueOf( 'tab1', 'fileName', matches[1] + "_" + width + "x" + height + "." + matches[2]);
			e.getElement().show();
		}
		else
			e.getElement().hide();
	};

	var onSizeChange = function()
	{
		var value = this.getValue(),	// This = input element.
			dialog = this.getDialog(),
			maxWidth = api.config.imagesMaxWidth,
			maxHeight = api.config.imagesMaxHeight,
			aMatch  =  value.match( regexGetSize ),
			width = imageDimension.width,
			height = imageDimension.height,
			newHeight,