From fbbed3deaa0090173d398587cfea4af144d062a2 Mon Sep 17 00:00:00 2001
From: Cash Costello <cash.costello@gmail.com>
Date: Tue, 15 Nov 2011 20:03:52 -0500
Subject: atleast renaming the ui js libs

---
 js/lib/ui.userpicker.js | 117 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100644 js/lib/ui.userpicker.js

(limited to 'js/lib/ui.userpicker.js')

diff --git a/js/lib/ui.userpicker.js b/js/lib/ui.userpicker.js
new file mode 100644
index 000000000..8287ba91c
--- /dev/null
+++ b/js/lib/ui.userpicker.js
@@ -0,0 +1,117 @@
+elgg.provide('elgg.userpicker');
+
+/**
+ * Userpicker initialization
+ *
+ * The userpicker is an autocomplete library for selecting multiple users or
+ * friends. It works in concert with the view input/userpicker.
+ *
+ * @return void
+ */
+elgg.userpicker.init = function() {
+	
+	// binding autocomplete.
+	// doing this as an each so we can pass this to functions.
+	$('.elgg-input-user-picker').each(function() {
+
+		$(this).autocomplete({
+			source: function(request, response) {
+
+				var params = elgg.userpicker.getSearchParams(this);
+				
+				elgg.get('livesearch', {
+					data: params,
+					dataType: 'json',
+					success: function(data) {
+						response(data);
+					}
+				});
+			},
+			minLength: 2,
+			html: "html",
+			select: elgg.userpicker.addUser
+		})
+	});
+
+	$('.elgg-userpicker-remove').live('click', elgg.userpicker.removeUser);
+};
+
+/**
+ * Adds a user to the select user list
+ *
+ * elgg.userpicker.userList is defined in the input/userpicker view
+ *
+ * @param {Object} event
+ * @param {Object} ui    The object returned by the autocomplete endpoint
+ * @return void
+ */
+elgg.userpicker.addUser = function(event, ui) {
+	var info = ui.item;
+
+	// do not allow users to be added multiple times
+	if (!(info.guid in elgg.userpicker.userList)) {
+		elgg.userpicker.userList[info.guid] = true;
+		var users = $(this).siblings('.elgg-user-picker-list');
+		var li = '<input type="hidden" name="members[]" value="' + info.guid + '" />';
+		li += elgg.userpicker.viewUser(info);
+		$('<li>').html(li).appendTo(users);
+	}
+
+	$(this).val('');
+	event.preventDefault();
+};
+
+/**
+ * Remove a user from the selected user list
+ *
+ * @param {Object} event
+ * @return void
+ */
+elgg.userpicker.removeUser = function(event) {
+	var item = $(this).closest('.elgg-user-picker-list > li');
+	
+	var guid = item.find('[name="members[]"]').val();
+	delete elgg.userpicker.userList[guid];
+
+	item.remove();
+	event.preventDefault();
+};
+
+/**
+ * Render the list item for insertion into the selected user list
+ *
+ * The html in this method has to remain synced with the input/userpicker view
+ *
+ * @param {Object} info  The object returned by the autocomplete endpoint
+ * @return string
+ */
+elgg.userpicker.viewUser = function(info) {
+
+	var deleteLink = "<a href='#' class='elgg-userpicker-remove'>X</a>";
+
+	var html = "<div class='elgg-image-block'>";
+	html += "<div class='elgg-image'>" + info.icon + "</div>";
+	html += "<div class='elgg-image-alt'>" + deleteLink + "</div>";
+	html += "<div class='elgg-body'>" + info.name + "</div>";
+	html += "</div";
+	
+	return html;
+};
+
+/**
+ * Get the parameters to use for autocomplete
+ *
+ * This grabs the value of the friends checkbox.
+ *
+ * @param {Object} obj  Object for the autocomplete callback
+ * @return Object
+ */
+elgg.userpicker.getSearchParams = function(obj) {
+	if (obj.element.siblings('[name=match_on]').attr('checked')) {
+		return {'match_on[]': 'friends', 'term' : obj.term};
+	} else {
+		return {'match_on[]': 'users', 'term' : obj.term};
+	}
+};
+
+elgg.register_hook_handler('init', 'system', elgg.userpicker.init);
\ No newline at end of file
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