Implement getState() & setState() towards a more universal favorites, but still more to do:

- Need to get favorite widget to use setState()
- Move much code out of etemplate2 widgets into a higher level

etemplate/inc/class.etemplate_widget_nextmatch.inc.php

@@ -948,9 +948,9 @@ class etemplate_widget_nextmatch extends etemplate_widget
 		if(!$registry) $registry = egw_link::get_registry($app,'index');
 		foreach($filters as $name => $filter)
 		{
-			$href = egw::link('/index.php', (array)$registry + array('favorite'=>$name),$app);
+			$href = "javascript:app.$app.setState(" . json_encode($filter['filter']) . ');';
 			$html .= "<li id='$name' class='ui-menu-item' role='menuitem'>\n";
-			$html .= "<a href=\"$href\" class='ui-corner-all' tabindex='-1'>";
+			$html .= "<a href='$href' class='ui-corner-all' tabindex='-1'>";
 			$html .= "<div class='" . ($name == $default_filter ? 'ui-icon ui-icon-heart' : 'sideboxstar') . "'></div>".
 				$filter['name'] .($filter['group'] != false ? " ♦" :"");
 			$html .= "</a></li>\n";
@@ -969,7 +969,7 @@ class etemplate_widget_nextmatch extends etemplate_widget
 	 * @param $app Current application, needed to save preference
 	 * @param $name String Name of the favorite
 	 * @param $action String add or delete
-	 * @param $group int|String ID of the group to create the favorite for, or All for all users
+	 * @param $group int|String ID of the group to create the favorite for, or 'all' for all users
 	 * @param $filters Array of key => value pairs for the filter
 	 *
 	 * @return boolean Success

phpgwapi/js/jsapi/app_base.js

@@ -177,6 +177,81 @@ var AppJS = Class.extend(
 				nm.getInstanceManager().submit();
 			}
 		}
-	}
+	},
 
+	/**
+	 * Set the application's state to the given state.
+	 *
+	 * While not pretending to implement the history API, it is patterned similarly
+	 * @link http://www.whatwg.org/specs/web-apps/current-work/multipage/history.html
+	 *
+	 * The default implementation works with the favorites to apply filters to a nextmatch.
+	 *
+	 *
+	 * @param {object} state description
+	 */
+	setState: function(state)
+	{
+		// State should be an object, not a string, but we'll try
+		if(typeof state == "string")
+		{
+			if(state.indexOf('{') != -1 || state =='null')
+			{
+				state = JSON.parse(state);
+			}
+		}
+		if(typeof state != "object")
+		{
+			egw.debug('error', 'Unable to set state to %o, needs to be an object',state);
+			return;
+		}
+		if(state == null)
+		{
+			state = {};
+		}
+
+		// Try and find a nextmatch widget, and set its filters
+		var nextmatched = false;
+		var et2 = etemplate2.getByApplication(this.appname);
+		for(var i = 0; i < et2.length; i++)
+		{
+			et2[i].widgetContainer.iterateOver(function(_widget) {
+				// Apply
+				_widget.activeFilters = state;
+				_widget.applyFilters();
+				nextmatched = true;
+			}, this, et2_nextmatch);
+		}
+
+		// No nextmatch?  Try a redirect to list
+		if(!nextmatched)
+		{
+			egw.open('',this.appname,'list',{'state': state},this.appname);
+		}
+	},
+
+	/**
+	 * Retrieve the current state of the application for future restoration
+	 *
+	 * The state can be anything, as long as it's an object.  The contents are
+	 * application specific.  The default implementation finds a nextmatch and
+	 * returns its value.
+	 *
+	 * @return {object} Value of a nextmatch
+	 */
+	getState: function()
+	{
+		var state = {};
+
+		// Try and find a nextmatch widget, and set its filters
+		var et2 = etemplate2.getByApplication(this.appname);
+		for(var i = 0; i < et2.length; i++)
+		{
+			et2.widgetContainer.iterateOver(function(_widget) {
+				state = _widget.getValue();
+			}, this, et2_nextmatch);
+		}
+
+		return state;
+	}
 });