/*************************************************************************

*

* ADOBE SYSTEMS INCORPORATED

* Copyright 2008 Adobe Systems Incorporated

* All Rights Reserved.

*

* NOTICE:  Adobe permits you to use, modify, and distribute this file

* in accordance with the terms of the Adobe license agreement accompanying

* it. If you have received this file from a source other than Adobe, then

* your use, modification, or distribution of it requires the prior written

* permission of Adobe.

*

* AdobePatentID="B564"

* AdobePatentID="B565"

*

**************************************************************************/



ICE = {};



// Set the ICE.useConfig flag to false in case you do not want to use the ice.conf.js file or if

// this file is missing form your server. This should be done to avoid HTTP error code 404.

ICE.useConfig = true;



(function () {

	var isNotInIde = parent == window || ( parent != window && !(/ide\.htm/i).test(parent.location.href) );

	if (isNotInIde) {

		/*

		 * This setting defines the default shortcut for launching the InContext Editing Login

		 * dialog on any PC machine.

		 * 

		 * DO NOT MODIFY THIS CONSTANT!

		 * 

		 * Instead modify the ICE.USER_LOGIN_PC variable inside the ice.conf.js file.

		 */

		ICE.DEFAULT_LOGIN_PC = "CTRL+E";



		/*

		 * This setting defines the default shortcut for launching the InContext Editing Login

		 * dialog on any MAC machine.

		 * 

		 * DO NOT MODIFY THIS CONSTANT!

		 * 

		 * Instead modify the ICE.USER_LOGIN_MAC variable inside the ice.conf.js file.

		 */

		ICE.DEFAULT_LOGIN_MAC = "CMD+E";



		/**

		 * Gets the relative path based on the ice.js includes.

		 */

		ICE.getSiteRoot = function() {

			var searchPath = "includes/ice/ice.js";

			var s = null;

			var url = '';

			var scripts = document.getElementsByTagName("script");

			for (var i=0; i<scripts.length; i++) {

				url = scripts[i].src.toLowerCase();

				if (typeof url != "undefined") {

					if (url.indexOf(searchPath) != -1) {

						s = scripts[i].src;

						break;

					}

				}

			}



			s = s.substring(0, s.length - searchPath.length);



			if (!/http/i.test(s)) {

				// This Happens on IE

				var m = s.match(/\.\.\//g);

				var deep = m?m.length:0;

				var loca = window.location;

				var path = loca.pathname.replace(/\/([^\/]*)$/, '/');

				var temp = path.split('/');

				var newLength = temp.length - deep - 1;

				temp.length = (newLength >= 0) ? newLength : 0;

				path = temp.join('/') + '/';

				s = loca.protocol + '//'+ loca.hostname + (loca.port?':' + loca.port:'') + path;

			}



			return s;

		};



		/**

		 * Adds a link to the current configuration file to the page HEAD so the values in this file become available

		 */

		ICE.getConfig = function() {

			var scr = document.createElement('SCRIPT');

			scr.type = 'text/javascript';

			var head=document.getElementsByTagName('HEAD')[0];

			head.appendChild(scr);

			scr.onreadystatechange = scr.onload = function(e) {

				e = e || event;

				if (e.type == 'readystatechange') {

					if (typeof this.jsloaded == 'undefined' && (this.readyState == 'complete')){

						this.jsloaded = true;

						ICE.attachKeyEvent();

					}

				} else {

					ICE.attachKeyEvent();

				}

			};

			var siteRoot = ICE.getSiteRoot();

			scr.src = siteRoot + 'includes/ice/ice.conf.js';

		};



		/**

		 * This function returns the available transport object as instance

		 *

		 * @return Object The transport instance

		 */

		ICE.getTransport = function() {

			var ret = false;

			var options = ['new XMLHttpRequest()',

				'new ActiveXObject("Msxml2.XMLHTTP")',

				'new ActiveXObject("Microsoft.XMLHTTP")'];



			for (var i=0; i<options.length; i++) {

				try {

					ret = eval(options[i]);

					break;

				} catch(err) {

					ret = false;

				}

			}

			return ret;

		};



		/**

		 * This function begins the actual edit by pointing the browser to the new URL.

		 */

		ICE.startEdit = function() {

			var siteRoot = ICE.getSiteRoot();

			var siteRootParts = siteRoot.replace(/\/$/gi, "").split("/");



			var redirectTo = window.location.href;

			var redirecttoParts = redirectTo.split("/");



			// Remove the no of parts identical with the no of parts from siteRoot => will obtain the part after the site root form the URL

			redirecttoParts.splice(0, siteRootParts.length);

			redirectTo = redirecttoParts.join("/");



			redirectTo = siteRoot + 'includes/ice/ide.html#page=' + encodeURIComponent(redirectTo);



			// Make a request so we have the page cached

			try {

				var transport = ICE.getTransport();

				transport.open('GET', redirectTo, false);

				transport.send(null);

			} catch(e) {

				// When internet connection is down, an error is thrown.

			}



			// Do the actual redirect

			window.location.href = redirectTo;

		};



		/**

		 * This function attaches key events so we catch the combination that will launch the InContext Editing Login UI

		 */

		ICE.attachKeyEvent = function() {

			var platform = navigator.userAgent.match(/mac/i) ? "MAC" : "PC";

			var shortcut = ICE['DEFAULT_LOGIN_' + platform];



			if (typeof ICE['USER_LOGIN_' + platform] == 'string') {

				shortcut = ICE['USER_LOGIN_' + platform];

			}



			if (shortcut !== '' && shortcut.indexOf('+') != -1) {

				ICE.shortcut = {

					ctrlKey: shortcut.indexOf('CTRL+') != -1,

					altKey: shortcut.indexOf('ALT+') != -1,

					metaKey: shortcut.indexOf('CMD+') != -1,

					shiftKey: shortcut.indexOf('SHIFT+') != -1,

					keyCode: shortcut.slice(-1).charCodeAt(0),

					platform: platform

				};



				ICE.isShortcutPressed = function(event) {

					var retVal = true;

					retVal = retVal && (ICE.shortcut.ctrlKey ? event.ctrlKey : !event.ctrlKey);

					if (ICE.shortcut.platform == "MAC") {

						retVal = retVal && (ICE.shortcut.metaKey ? event.metaKey : !event.metaKey);

					}

					retVal = retVal && (ICE.shortcut.altKey ? event.altKey : !event.altKey);

					retVal = retVal && (ICE.shortcut.shiftKey ? event.shiftKey : !event.shiftKey);

					retVal = retVal && (ICE.shortcut.keyCode == event.keyCode);

					return retVal;

				};



				ICE.onkeydown = function (e) {

					e = e || event;

					if (ICE.isShortcutPressed(e)) {

						//stop keyboard shortcut and redirect to ICE IDE

						try{e.cancelBubble = true;}catch(err){}

						try{e.returnValue = false;}catch(err){}

						try{e.stopPropagation();}catch(err){}

						try{e.preventDefault();}catch(err){}

						ICE.startEdit();

						return false;

					}

				};



				if (document.addEventListener) {

					document.addEventListener('keydown', ICE.onkeydown, false);

				} else if (document.attachEvent) {

					document.attachEvent('onkeydown', ICE.onkeydown);

				} else {

					document.onkeydown = ICE.onkeydown;

				}

			}

		};



		/**

		 * Depending on the current setting - to use or not the config file - we'll decide to read the config or not

		 */

		if (ICE.useConfig) {

			// If the site owner has decided to use the ice.conf.js we'll go ahead and read it

			ICE.getConfig();

		} else {

			// Otherwise we'll go with the defaults

			ICE.attachKeyEvent();

		}

	}

})();