Added a new latest activity title to the front page

git-svn-id: https://code.elgg.org/elgg/trunk@1895 36083f99-b078-4883-b0ff-0f9b5a30f544

2 files changed, 323 insertions, 0 deletions

diff --git a/mod/pages/javascript/jquery.treeview.async.js b/mod/pages/javascript/jquery.treeview.async.js
new file mode 100644
index 000000000..01059191f
--- /dev/null
+++ b/mod/pages/javascript/jquery.treeview.async.js
@@ -0,0 +1,72 @@
+/*

+ * Async Treeview 0.1 - Lazy-loading extension for Treeview

+ * 

+ * http://bassistance.de/jquery-plugins/jquery-plugin-treeview/

+ *

+ * Copyright (c) 2007 Jörn Zaefferer

+ *

+ * Dual licensed under the MIT and GPL licenses:

+ *   http://www.opensource.org/licenses/mit-license.php

+ *   http://www.gnu.org/licenses/gpl.html

+ *

+ * Revision: $Id$

+ *

+ */

+

+;(function($) {

+

+function load(settings, root, child, container) {

+	$.getJSON(settings.url, {root: root, currentpage: settings.currentpage}, function(response) {

+		function createNode(parent) {

+			var current = $("<li/>").attr("id", this.id || "").html("<span>" + this.text + "</span>").appendTo(parent);

+			if (this.classes) {

+				current.children("span").addClass(this.classes);

+			}

+			if (this.expanded) {

+				current.addClass("open");

+			}

+			if (this.hasChildren || this.children && this.children.length) {

+				var branch = $("<ul/>").appendTo(current);

+				if (this.hasChildren) {

+					current.addClass("hasChildren");

+					createNode.call({

+						text:"placeholder",

+						id:"placeholder",

+						children:[]

+					}, branch);

+				}

+				if (this.children && this.children.length) {

+					$.each(this.children, createNode, [branch])

+				}

+			}

+		}

+		$.each(response, createNode, [child]);

+        $(container).treeview({add: child}, root);

+    });

+}

+

+var proxied = $.fn.treeview;

+$.fn.treeview = function(settings, source) {

+	if (!settings.url) {

+		return proxied.apply(this, arguments);

+	}

+	var container = this;

+	load(settings, source, this, container);

+	var userToggle = settings.toggle;

+	return proxied.call(this, $.extend({}, settings, {

+		collapsed: true,

+		toggle: function() {

+			var $this = $(this);

+			if ($this.hasClass("hasChildren")) {

+				var childList = $this.removeClass("hasChildren").find("ul");

+				childList.empty();

+				load(settings, this.id, childList, container);

+			}

+			if (userToggle) {

+				userToggle.apply(this, arguments);

+			}

+		}

+	}));

+};

+

+})(jQuery);
\ No newline at end of file
diff --git a/mod/pages/javascript/jquery.treeview.js b/mod/pages/javascript/jquery.treeview.js
new file mode 100644
index 000000000..bc5d9e46b
--- /dev/null
+++ b/mod/pages/javascript/jquery.treeview.js
@@ -0,0 +1,251 @@
+/*
+ * Treeview 1.4 - jQuery plugin to hide and show branches of a tree
+ * 
+ * http://bassistance.de/jquery-plugins/jquery-plugin-treeview/
+ * http://docs.jquery.com/Plugins/Treeview
+ *
+ * Copyright (c) 2007 Jörn Zaefferer
+ *
+ * Dual licensed under the MIT and GPL licenses:
+ *   http://www.opensource.org/licenses/mit-license.php
+ *   http://www.gnu.org/licenses/gpl.html
+ *
+ * Revision: $Id: jquery.treeview.js 4684 2008-02-07 19:08:06Z joern.zaefferer $
+ *
+ */
+
+;(function($) {
+
+	$.extend($.fn, {
+		swapClass: function(c1, c2) {
+			var c1Elements = this.filter('.' + c1);
+			this.filter('.' + c2).removeClass(c2).addClass(c1);
+			c1Elements.removeClass(c1).addClass(c2);
+			return this;
+		},
+		replaceClass: function(c1, c2) {
+			return this.filter('.' + c1).removeClass(c1).addClass(c2).end();
+		},
+		hoverClass: function(className) {
+			className = className || "hover";
+			return this.hover(function() {
+				$(this).addClass(className);
+			}, function() {
+				$(this).removeClass(className);
+			});
+		},
+		heightToggle: function(animated, callback) {
+			animated ?
+				this.animate({ height: "toggle" }, animated, callback) :
+				this.each(function(){
+					jQuery(this)[ jQuery(this).is(":hidden") ? "show" : "hide" ]();
+					if(callback)
+						callback.apply(this, arguments);
+				});
+		},
+		heightHide: function(animated, callback) {
+			if (animated) {
+				this.animate({ height: "hide" }, animated, callback);
+			} else {
+				this.hide();
+				if (callback)
+					this.each(callback);				
+			}
+		},
+		prepareBranches: function(settings) {
+			if (!settings.prerendered) {
+				// mark last tree items
+				this.filter(":last-child:not(ul)").addClass(CLASSES.last);
+				// collapse whole tree, or only those marked as closed, anyway except those marked as open
+				this.filter((settings.collapsed ? "" : "." + CLASSES.closed) + ":not(." + CLASSES.open + ")").find(">ul").hide();
+			}
+			// return all items with sublists
+			return this.filter(":has(>ul)");
+		},
+		applyClasses: function(settings, toggler) {
+			this.filter(":has(>ul):not(:has(>a))").find(">span").click(function(event) {
+				toggler.apply($(this).next());
+			}).add( $("a", this) ).hoverClass();
+			
+			if (!settings.prerendered) {
+				// handle closed ones first
+				this.filter(":has(>ul:hidden)")
+						.addClass(CLASSES.expandable)
+						.replaceClass(CLASSES.last, CLASSES.lastExpandable);
+						
+				// handle open ones
+				this.not(":has(>ul:hidden)")
+						.addClass(CLASSES.collapsable)
+						.replaceClass(CLASSES.last, CLASSES.lastCollapsable);
+						
+	            // create hitarea
+				this.prepend("<div class=\"" + CLASSES.hitarea + "\"/>").find("div." + CLASSES.hitarea).each(function() {
+					var classes = "";
+					$.each($(this).parent().attr("class").split(" "), function() {
+						classes += this + "-hitarea ";
+					});
+					$(this).addClass( classes );
+				});
+			}
+			
+			// apply event to hitarea
+			this.find("div." + CLASSES.hitarea).click( toggler );
+		},
+		treeview: function(settings) {
+			
+			settings = $.extend({
+				cookieId: "treeview"
+			}, settings);
+			
+			if (settings.add) {
+				return this.trigger("add", [settings.add]);
+			}
+			
+			if ( settings.toggle ) {
+				var callback = settings.toggle;
+				settings.toggle = function() {
+					return callback.apply($(this).parent()[0], arguments);
+				};
+			}
+		
+			// factory for treecontroller
+			function treeController(tree, control) {
+				// factory for click handlers
+				function handler(filter) {
+					return function() {
+						// reuse toggle event handler, applying the elements to toggle
+						// start searching for all hitareas
+						toggler.apply( $("div." + CLASSES.hitarea, tree).filter(function() {
+							// for plain toggle, no filter is provided, otherwise we need to check the parent element
+							return filter ? $(this).parent("." + filter).length : true;
+						}) );
+						return false;
+					};
+				}
+				// click on first element to collapse tree
+				$("a:eq(0)", control).click( handler(CLASSES.collapsable) );
+				// click on second to expand tree
+				$("a:eq(1)", control).click( handler(CLASSES.expandable) );
+				// click on third to toggle tree
+				$("a:eq(2)", control).click( handler() ); 
+			}
+		
+			// handle toggle event
+			function toggler() {
+				$(this)
+					.parent()
+					// swap classes for hitarea
+					.find(">.hitarea")
+						.swapClass( CLASSES.collapsableHitarea, CLASSES.expandableHitarea )
+						.swapClass( CLASSES.lastCollapsableHitarea, CLASSES.lastExpandableHitarea )
+					.end()
+					// swap classes for parent li
+					.swapClass( CLASSES.collapsable, CLASSES.expandable )
+					.swapClass( CLASSES.lastCollapsable, CLASSES.lastExpandable )
+					// find child lists
+					.find( ">ul" )
+					// toggle them
+					.heightToggle( settings.animated, settings.toggle );
+				if ( settings.unique ) {
+					$(this).parent()
+						.siblings()
+						// swap classes for hitarea
+						.find(">.hitarea")
+							.replaceClass( CLASSES.collapsableHitarea, CLASSES.expandableHitarea )
+							.replaceClass( CLASSES.lastCollapsableHitarea, CLASSES.lastExpandableHitarea )
+						.end()
+						.replaceClass( CLASSES.collapsable, CLASSES.expandable )
+						.replaceClass( CLASSES.lastCollapsable, CLASSES.lastExpandable )
+						.find( ">ul" )
+						.heightHide( settings.animated, settings.toggle );
+				}
+			}
+			
+			function serialize() {
+				function binary(arg) {
+					return arg ? 1 : 0;
+				}
+				var data = [];
+				branches.each(function(i, e) {
+					data[i] = $(e).is(":has(>ul:visible)") ? 1 : 0;
+				});
+				$.cookie(settings.cookieId, data.join("") );
+			}
+			
+			function deserialize() {
+				var stored = $.cookie(settings.cookieId);
+				if ( stored ) {
+					var data = stored.split("");
+					branches.each(function(i, e) {
+						$(e).find(">ul")[ parseInt(data[i]) ? "show" : "hide" ]();
+					});
+				}
+			}
+			
+			// add treeview class to activate styles
+			this.addClass("treeview");
+			
+			// prepare branches and find all tree items with child lists
+			var branches = this.find("li").prepareBranches(settings);
+			
+			switch(settings.persist) {
+			case "cookie":
+				var toggleCallback = settings.toggle;
+				settings.toggle = function() {
+					serialize();
+					if (toggleCallback) {
+						toggleCallback.apply(this, arguments);
+					}
+				};
+				deserialize();
+				break;
+			case "location":
+				var current = this.find("a").filter(function() { return this.href.toLowerCase() == location.href.toLowerCase(); });
+				if ( current.length ) {
+					current.addClass("selected").parents("ul, li").add( current.next() ).show();
+				}
+				break;
+			}
+			
+			branches.applyClasses(settings, toggler);
+				
+			// if control option is set, create the treecontroller and show it
+			if ( settings.control ) {
+				treeController(this, settings.control);
+				$(settings.control).show();
+			}
+			
+			return this.bind("add", function(event, branches) {
+				$(branches).prev()
+					.removeClass(CLASSES.last)
+					.removeClass(CLASSES.lastCollapsable)
+					.removeClass(CLASSES.lastExpandable)
+				.find(">.hitarea")
+					.removeClass(CLASSES.lastCollapsableHitarea)
+					.removeClass(CLASSES.lastExpandableHitarea);
+				$(branches).find("li").andSelf().prepareBranches(settings).applyClasses(settings, toggler);
+			});
+		}
+	});
+	
+	// classes used by the plugin
+	// need to be styled via external stylesheet, see first example
+	var CLASSES = $.fn.treeview.classes = {
+		open: "open",
+		closed: "closed",
+		expandable: "expandable",
+		expandableHitarea: "expandable-hitarea",
+		lastExpandableHitarea: "lastExpandable-hitarea",
+		collapsable: "collapsable",
+		collapsableHitarea: "collapsable-hitarea",
+		lastCollapsableHitarea: "lastCollapsable-hitarea",
+		lastCollapsable: "lastCollapsable",
+		lastExpandable: "lastExpandable",
+		last: "last",
+		hitarea: "hitarea"
+	};
+	
+	// provide backwards compability
+	$.fn.Treeview = $.fn.treeview;
+	
+})(jQuery);
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