/**
* 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;

if (ed.getParam('fullscreen_is_enabled'))
return;

/**
* This method gets executed each time the editor needs to resize.
*/
function resize() {
var d = ed.getDoc(), b = 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 ? b.scrollHeight : de.offsetHeight;

// Don't make it smaller than the minimum height
if (myHeight > t.autoresize_min_height)
resizeHeight = myHeight;

// Resize content element
DOM.setStyle(DOM.get(ed.id + '_ifr'), 'height', resizeHeight + 'px');

// if we're throbbing, we'll re-throb to match the new size
if (t.throbbing) {
ed.setProgressState(false);
ed.setProgressState(true);
}
};

t.editor = ed;

// Define minimum height
t.autoresize_min_height = ed.getElement().offsetHeight;

// 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)) {
// Things to do when the editor is ready
ed.onInit.add(function(ed, l) {
// Show throbber until content area is resized properly
ed.setProgressState(true);
t.throbbing = true;

// Hide scrollbars
ed.getBody().style.overflowY = "hidden";
});

ed.onLoadContent.add(function(ed, l) {
resize();

// Because the content area resizes when its content CSS loads,
// and we can't easily add a listener to its onload event,
// we'll just trigger a resize after a short loading period
setTimeout(function() {
resize();

// Disable throbber
ed.setProgressState(false);
t.throbbing = false;
}, 1250);
});
}

// 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);
})();