1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
// Copyright 2007 The Closure Library Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/**
* @fileoverview A class for representing a separator, with renderers for both
* horizontal (menu) and vertical (toolbar) separators.
*
* @author attila@google.com (Attila Bodis)
*/
goog.provide('goog.ui.Separator');
goog.require('goog.dom.a11y');
goog.require('goog.ui.Component.State');
goog.require('goog.ui.Control');
goog.require('goog.ui.MenuSeparatorRenderer');
goog.require('goog.ui.registry');
/**
* Class representing a separator. Although it extends {@link goog.ui.Control},
* the Separator class doesn't allocate any event handlers, nor does it change
* its appearance on mouseover, etc.
* @param {goog.ui.MenuSeparatorRenderer=} opt_renderer Renderer to render or
* decorate the separator; defaults to {@link goog.ui.MenuSeparatorRenderer}.
* @param {goog.dom.DomHelper=} opt_domHelper Optional DOM helper, used for
* document interaction.
* @constructor
* @extends {goog.ui.Control}
*/
goog.ui.Separator = function(opt_renderer, opt_domHelper) {
goog.ui.Control.call(this, null, opt_renderer ||
goog.ui.MenuSeparatorRenderer.getInstance(), opt_domHelper);
this.setSupportedState(goog.ui.Component.State.DISABLED, false);
this.setSupportedState(goog.ui.Component.State.HOVER, false);
this.setSupportedState(goog.ui.Component.State.ACTIVE, false);
this.setSupportedState(goog.ui.Component.State.FOCUSED, false);
// Separators are always considered disabled.
this.setStateInternal(goog.ui.Component.State.DISABLED);
};
goog.inherits(goog.ui.Separator, goog.ui.Control);
/**
* Configures the component after its DOM has been rendered. Overrides
* {@link goog.ui.Control#enterDocument} by making sure no event handler
* is allocated.
* @override
*/
goog.ui.Separator.prototype.enterDocument = function() {
goog.ui.Separator.superClass_.enterDocument.call(this);
goog.dom.a11y.setRole(this.getElement(), 'separator');
};
// Register a decorator factory function for goog.ui.MenuSeparators.
goog.ui.registry.setDecoratorByClassName(
goog.ui.MenuSeparatorRenderer.CSS_CLASS,
function() {
// Separator defaults to using MenuSeparatorRenderer.
return new goog.ui.Separator();
});
|
