r3449 committed - menu: drilldown, first draft
Revision: 3449
Author: joern.zaefferer
Date: Fri Nov 13 08:55:54 2009
Log: menu: drilldown, first draft
http://code.google.com/p/jquery-ui/source/detail?r=3449
Added:
/branches/dev/tests/visual/menu/drilldown.html
=======================================
--- /dev/null
+++ /branches/dev/tests/visual/menu/drilldown.html Fri Nov 13 08:55:54 2009
@@ -0,0 +1,229 @@
+<!doctype html>
+<html>
+<head>
+ <title>Menu Visual Test: Default</title>
+ <link rel="stylesheet" href="../static.css" type="text/css" />
+ <link rel="stylesheet" href="../../../themes/base/ui.base.css"
type="text/css" />
+ <link rel="stylesheet" href="../../../themes/base/ui.theme.css"
type="text/css" title="ui-theme" />
+ <script type="text/javascript" src="../../../jquery-1.3.2.js"></script>
+ <script type="text/javascript"
src="../../../ui/jquery.ui.core.js"></script>
+ <script type="text/javascript"
src="../../../ui/jquery.ui.menu.js"></script>
+ <script type="text/javascript"
src="../../../ui/jquery.ui.position.js"></script>
+ <script type="text/javascript">
+ $(function() {
+ $.widget("ui.drilldown", {
+ _init: function() {
+ var self = this;
+ this.active = this.element;
+
+ // hide submenus and create indicator icons
+ this.element.find("ul").hide().prev("a").prepend('<span class="ui-icon
ui-icon-carat-1-e"></span>').end().filter(":first").show();
+
+ this.element.find("ul").menu({
+ selected: function(event, ui) {
+ self.element.find("h3").text(ui.item.text());
+ self.options.selected.apply(this, arguments);
+ },
+ focus: function(event, ui) {
+ self.active = ui.item.parent();
+ // put a previous submenu back into its place and hide it
+ self.hideDown();
+ var nested = $(">ul", ui.item);
+ if (nested.length) {
+ // append to body in order to display the submenu above the parent
menu, instead of inside of it
+ nested.appendTo(document.body).menu("deactivate").show().position({
+ my: "left top",
+ at: "right top",
+ of: ui.item
+ // store the current submenu
+ }).data("menuparent", ui.item);
+
+ self.active.data("submenu", nested);
+ }
+ }
+ })
+ },
+
+ up: function() {
+ if (!this.active.data("menuparent"))
+ return;
+ this.hideDown();
+ this.active.menu("deactivate");
+ this.active = this.active.data("menuparent").parent();
+ },
+
+ down: function() {
+ var submenu = this.active.data("submenu");
+ if (!submenu)
+ return;
+ submenu.data("menu").activate(submenu.children(":first"))
+ this.active = submenu;
+ },
+
+ show: function() {
+ this.element.menu("deactivate").show();
+ this.active = this.element;
+ },
+
+ hide: function() {
+ this.hideDown();
+ var child = this.active.hide(), parent;
+ while(child.data("menuparent")) {
+ parent = child.data("menuparent");
+ child.appendTo(parent).removeData("menuparent");
+ child = parent.parent().removeData("submenu").hide();
+ }
+ },
+
+ hideDown: function() {
+ var submenu = this.active.data("submenu");
+ while(submenu) {
+ var parent = submenu.data("menuparent");
+ submenu.appendTo(parent).hide().removeData("menuparent");
+ parent.parent().removeData("submenu");
+ submenu = submenu.data("submenu");
+ };
+ }
+ });
+
+ var nestedmenu = $("#drilldown").drilldown({
+ selected: function(event, ui) {
+ $("#log").append("<div>Selected " + ui.item.text() + "</div>");
+ }
+ });
+
+ $().keydown(function(event) {
+ var menu = nestedmenu.data("drilldown").active.data("menu");
+ if (menu.widget().is(":hidden"))
+ return;
+ event.stopPropagation();
+ switch (event.keyCode) {
+ case $.ui.keyCode.PAGE_UP:
+ menu.previousPage();
+ break;
+ case $.ui.keyCode.PAGE_DOWN:
+ menu.nextPage();
+ break;
+ case $.ui.keyCode.UP:
+ menu.previous();
+ break;
+ case $.ui.keyCode.LEFT:
+ nestedmenu.nestedmenu("up");
+ break;
+ case $.ui.keyCode.RIGHT:
+ nestedmenu.nestedmenu("down");
+ break;
+ case $.ui.keyCode.DOWN:
+ menu.next();
+ event.preventDefault();
+ break;
+ case $.ui.keyCode.ENTER:
+ case $.ui.keyCode.TAB:
+ menu.select();
+ nestedmenu.nestedmenu("hide");
+ event.preventDefault();
+ break;
+ case $.ui.keyCode.ESCAPE:
+ nestedmenu.nestedmenu("hide");
+ break;
+ default:
+ clearTimeout(menu.filterTimer);
+ var prev = menu.previousFilter || "";
+ var character = String.fromCharCode(event.keyCode);
+ var skip = false;
+ if (character == prev) {
+ skip = true;
+ } else {
+ character = prev + character;
+ }
+
+ var match = menu.widget().children("li").filter(function() {
+ return new RegExp("^" + character, "i").test($("a", this).text());
+ });
+ var match = skip && match.index(menu.active.next()) != -1 ?
match.next() : match;
+ if (!match.length) {
+ character = String.fromCharCode(event.keyCode);
+ match = menu.widget().children("li").filter(function() {
+ return new RegExp("^" + character, "i").test($(this).text());
+ });
+ }
+ if (match.length) {
+ menu.activate(match);
+ if (match.length > 1) {
+ menu.previousFilter = character;
+ menu.filterTimer = setTimeout(function() {
+ delete menu.previousFilter;
+ }, 1000);
+ } else {
+ delete menu.previousFilter;
+ }
+ } else {
+ delete menu.previousFilter;
+ }
+ }
+ });
+ });
+ </script>
+ <style>
+ body { font-size:62.5%; }
+ #drilldown { width: 200px; }
+ .ui-menu .ui-icon { float: right; }
+ </style>
+</head>
+<body>
+
+<div id="drilldown">
+ <h3>Make a selection...</h3>
+ <ul>
+ <li>
+ <a href="#">Amsterdam</a>
+ <ul>
+ <li><a href="#">Aberdeen</a></li>
+ <li><a href="#">Ada</a></li>
+ <li>
+ <a href="#">Adamsville</a>
+ <ul>
+ <li><a href="#">Anaheim</a></li>
+ <li>
+ <a href="#">Cologne</a>
+ <ul>
+ <li><a href="#">Mberdeen</a></li>
+ <li><a href="#">Mda</a></li>
+ <li><a href="#">Mdamsville</a></li>
+ <li><a href="#">Mddyston</a></li>
+ <li><a href="#">Mmesville</a></li>
+ </ul>
+ </li>
+ <li><a href="#">Frankfurt</a></li>
+ </ul>
+ </li>
+ <li><a href="#">Addyston</a></li>
+ <li><a href="#">Amesville</a></li>
+ </ul>
+ </li>
+ <li><a href="#">Anaheim</a></li>
+ <li><a href="#">Cologne</a></li>
+ <li><a href="#">Frankfurt</a></li>
+ <li>
+ <a href="#">Magdeburg</a>
+ <ul>
+ <li><a href="#">Mberdeen</a></li>
+ <li><a href="#">Mda</a></li>
+ <li><a href="#">Mdamsville</a></li>
+ <li><a href="#">Mddyston</a></li>
+ <li><a href="#">Mmesville</a></li>
+ </ul>
+ </li>
+ <li><a href="#">Munich</a></li>
+ <li><a href="#">Utrecht</a></li>
+ <li><a href="#">Zurich</a></li>
+ </ul>
+</div>
+
+<div class="ui-widget" style="margin-top:2em; font-family:Arial">
+ Log:
+ <div id="log" style="height: 400px; width: 300px; overflow: auto;"
class="ui-widget-content"></div>
+</div>
+
+</body>
+</html>