/**
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* editor_plugin_src.js
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*
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* Copyright 2009, Moxiecode Systems AB
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* Released under LGPL License.
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*
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* License: http://tinymce.moxiecode.com/license
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* Contributing: http://tinymce.moxiecode.com/contributing
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*/
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(function() {
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/**
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* Auto Resize
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*
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* This plugin automatically resizes the content area to fit its content height.
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* It will retain a minimum height, which is the height of the content area when
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* it's initialized.
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*/
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tinymce.create('tinymce.plugins.AutoResizePlugin', {
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/**
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* Initializes the plugin, this will be executed after the plugin has been created.
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* This call is done before the editor instance has finished it's initialization so use the onInit event
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* of the editor instance to intercept that event.
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*
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* @param {tinymce.Editor} ed Editor instance that the plugin is initialized in.
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* @param {string} url Absolute URL to where the plugin is located.
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*/
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init : function(ed, url) {
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var t = this, oldSize = 0;
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if (ed.getParam('fullscreen_is_enabled'))
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return;
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/**
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* This method gets executed each time the editor needs to resize.
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*/
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function resize() {
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var deltaSize, d = ed.getDoc(), body = d.body, de = d.documentElement, DOM = tinymce.DOM, resizeHeight = t.autoresize_min_height, myHeight;
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// Get height differently depending on the browser used
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myHeight = tinymce.isIE ? body.scrollHeight : (tinymce.isWebKit && body.clientHeight == 0 ? 0 : body.offsetHeight);
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// Don't make it smaller than the minimum height
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if (myHeight > t.autoresize_min_height)
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resizeHeight = myHeight;
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// If a maximum height has been defined don't exceed this height
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if (t.autoresize_max_height && myHeight > t.autoresize_max_height) {
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resizeHeight = t.autoresize_max_height;
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body.style.overflowY = "auto";
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de.style.overflowY = "auto"; // Old IE
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} else {
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body.style.overflowY = "hidden";
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de.style.overflowY = "hidden"; // Old IE
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body.scrollTop = 0;
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}
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// Resize content element
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if (resizeHeight !== oldSize) {
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deltaSize = resizeHeight - oldSize;
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DOM.setStyle(DOM.get(ed.id + '_ifr'), 'height', resizeHeight + 'px');
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oldSize = resizeHeight;
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// WebKit doesn't decrease the size of the body element until the iframe gets resized
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// So we need to continue to resize the iframe down until the size gets fixed
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if (tinymce.isWebKit && deltaSize < 0)
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resize();
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}
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};
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t.editor = ed;
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// Define minimum height
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t.autoresize_min_height = parseInt(ed.getParam('autoresize_min_height', ed.getElement().offsetHeight));
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// Define maximum height
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t.autoresize_max_height = parseInt(ed.getParam('autoresize_max_height', 0));
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// Add padding at the bottom for better UX
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ed.onInit.add(function(ed){
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ed.dom.setStyle(ed.getBody(), 'paddingBottom', ed.getParam('autoresize_bottom_margin', 50) + 'px');
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});
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// Add appropriate listeners for resizing content area
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ed.onChange.add(resize);
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ed.onSetContent.add(resize);
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ed.onPaste.add(resize);
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ed.onKeyUp.add(resize);
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ed.onPostRender.add(resize);
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if (ed.getParam('autoresize_on_init', true)) {
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ed.onLoad.add(resize);
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ed.onLoadContent.add(resize);
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}
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// Register the command so that it can be invoked by using tinyMCE.activeEditor.execCommand('mceExample');
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ed.addCommand('mceAutoResize', resize);
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},
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/**
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* Returns information about the plugin as a name/value array.
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* The current keys are longname, author, authorurl, infourl and version.
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*
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* @return {Object} Name/value array containing information about the plugin.
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*/
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getInfo : function() {
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return {
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longname : 'Auto Resize',
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author : 'Moxiecode Systems AB',
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authorurl : 'http://tinymce.moxiecode.com',
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infourl : 'http://wiki.moxiecode.com/index.php/TinyMCE:Plugins/autoresize',
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version : tinymce.majorVersion + "." + tinymce.minorVersion
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};
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}
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});
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// Register plugin
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tinymce.PluginManager.add('autoresize', tinymce.plugins.AutoResizePlugin);
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})();
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