/**
 * 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);
})();
