jquery-ui/tests/visual/menu/nested.html

256 lines
7.2 KiB
HTML

<!doctype html>
<html>
<head>
<title>Menu Visual Test: Default</title>
<link rel="stylesheet" href="../visual.css" type="text/css" />
<link rel="stylesheet" href="../../../themes/base/jquery.ui.all.css" type="text/css" title="ui-theme" />
<script type="text/javascript" src="../../../jquery-1.4.2.js"></script>
<script type="text/javascript" src="../../../ui/jquery.ui.core.js"></script>
<script type="text/javascript" src="../../../ui/jquery.ui.widget.js"></script>
<script type="text/javascript" src="../../../ui/jquery.ui.position.js"></script>
<script type="text/javascript" src="../../../ui/jquery.ui.autocomplete.js"></script>
<script type="text/javascript">
$(function() {
$.widget("ui.nestedmenu", {
_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>');
this.element.find("ul").andSelf().menu({
selected: this.options.selected,
focus: function(event, ui) {
self.active = ui.item.parent();
self.activeItem = ui.item;
// put a previous submenu back into its place and hide it
self.hideDown();
var nested = $(">ul", ui.item);
// only for mouse-events (should actually check event.originalEvent.type, but for keys, originalEvent is undefined...)
if (nested.length && /^mouse/.test(event.originalEvent.type)) {
self._openSubmenu(nested, ui.item);
}
}
})
},
_openSubmenu: function(nested, item) {
// 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: item
// store the current submenu
}).data("menuparent", item);
this.active.data("submenu", nested);
},
up: function(event) {
if (!this.active.data("menuparent"))
return;
this.active.menu("deactivate");
this.active = this.active.data("menuparent").parent();
this.activeItem = this.active.data("menu").active;
this.hideDown();
},
down: function(event) {
var submenu = this.active.data("submenu");
if (!submenu && this.activeItem) {
// try to open submenu or return(?); only mouseover opens submenu directly, key doesn't
var item = this.activeItem,
nested = item.children("ul");
if (!nested.length)
return;
this._openSubmenu(nested, item);
submenu = this.active.data("submenu");
}
submenu.data("menu").activate(event, 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 = $("#menu").nestedmenu({
selected: function(event, ui) {
$("#log").append("<div>Selected " + ui.item.text() + "</div>");
}
}).hide();
$("button").click(function(event) {
// TODO required to prevent the click handler below from handling this event
event.stopPropagation();
nestedmenu.nestedmenu("show")
.css({
top: 0,
left: 0
})
.position({
my: "left top",
at: "right top",
of: this
});
$(document).one("click", function() {
nestedmenu.nestedmenu("hide");
})
}).keydown(function(event) {
var menu = nestedmenu.data("nestedmenu").active.data("menu");
if (menu.widget().is(":hidden"))
return;
event.stopPropagation();
switch (event.keyCode) {
case $.ui.keyCode.PAGE_UP:
menu.previousPage(event);
break;
case $.ui.keyCode.PAGE_DOWN:
menu.nextPage(event);
break;
case $.ui.keyCode.UP:
menu.previous(event);
break;
case $.ui.keyCode.LEFT:
nestedmenu.nestedmenu("up", event);
break;
case $.ui.keyCode.RIGHT:
nestedmenu.nestedmenu("down", event);
break;
case $.ui.keyCode.DOWN:
menu.next(event);
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(event, 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%; }
.ui-menu { width: 200px; position: absolute; }
.ui-menu .ui-icon { float: right; }
</style>
</head>
<body>
<button>Show context menu</button>
<ul id="menu">
<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 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>