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