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
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
/**
* @class YAHOO.ext.Button
* @extends YAHOO.ext.util.Observable
* Simple Button class
* @cfg {String} text The button text
* @cfg {Function} handler A function called when the button is clicked (can be used instead of click event)
* @cfg {Object} scope The scope of the handler
* @cfg {Number} minWidth The minimum width for this button (used to give a set of buttons a common width)
* @constructor
* Create a new button
* @param {String/HTMLElement/Element} renderTo The element to append the button to
* @param {Object} config The config object
*/
YAHOO.ext.Button = function(renderTo, config){
YAHOO.ext.util.Config.apply(this, config);
this.events = {
/**
* @event click
* Fires when this button is clicked
* @param {Button} this
* @param {EventObject} e The click event
*/
'click' : true
};
if(renderTo){
this.render(renderTo);
}
};
YAHOO.extendX(YAHOO.ext.Button, YAHOO.ext.util.Observable, {
render : function(renderTo){
var btn;
if(!this.dhconfig){
if(!YAHOO.ext.Button.buttonTemplate){
// hideous table template
YAHOO.ext.Button.buttonTemplate = new YAHOO.ext.DomHelper.Template('<a href="#" class="ybtn-focus"><table border="0" cellpadding="0" cellspacing="0" class="ybtn-wrap"><tbody><tr><td class="ybtn-left"> </td><td class="ybtn-center" unselectable="on">{0}</td><td class="ybtn-right"> </td></tr></tbody></table></a>');
}
btn = YAHOO.ext.Button.buttonTemplate.append(
getEl(renderTo).dom, [this.text], true);
this.tbl = getEl(btn.dom.firstChild, true);
}else{
btn = YAHOO.ext.DomHelper.append(this.footer.dom, this.dhconfig, true);
}
this.el = btn;
this.autoWidth();
btn.addClass('ybtn');
btn.mon('click', this.onClick, this, true);
btn.on('mouseover', this.onMouseOver, this, true);
btn.on('mouseout', this.onMouseOut, this, true);
btn.on('mousedown', this.onMouseDown, this, true);
btn.on('mouseup', this.onMouseUp, this, true);
},
/**
* Returns the buttons element
* @return {YAHOO.ext.Element}
*/
getEl : function(){
return this.el;
},
/**
* Destroys this Button.
*/
destroy : function(){
this.el.removeAllListeners();
this.purgeListeners();
this.el.update('');
this.el.remove();
},
autoWidth : function(){
if(this.tbl){
this.el.setWidth('auto');
this.tbl.setWidth('auto');
if(this.minWidth){
if(this.tbl.getWidth() < this.minWidth){
this.tbl.setWidth(this.minWidth);
}
}
this.el.setWidth(this.tbl.getWidth());
}
},
/**
* Sets this buttons click handler
* @param {Function} handler The function to call when the button is clicked
* @param {Object} scope (optional) Scope for the function passed above
*/
setHandler : function(handler, scope){
this.handler = handler;
this.scope = scope;
},
/**
* Set this buttons text
* @param {String} text
*/
setText : function(text){
this.text = text;
this.el.dom.firstChild.firstChild.firstChild.childNodes[1].innerHTML = text;
this.autoWidth();
},
/**
* Get the text for this button
* @return {String}
*/
getText : function(){
return this.text;
},
/**
* Show this button
*/
show: function(){
this.el.setStyle('display', '');
},
/**
* Hide this button
*/
hide: function(){
this.el.setStyle('display', 'none');
},
/**
* Convenience function for boolean show/hide
* @param {Boolean} visible true to show/false to hide
*/
setVisible: function(visible){
if(visible) {
this.show();
}else{
this.hide();
}
},
/**
* Focus the button
*/
focus : function(){
this.el.focus();
},
/**
* Disable this button
*/
disable : function(){
this.el.addClass('ybtn-disabled');
this.disabled = true;
},
/**
* Enable this button
*/
enable : function(){
this.el.removeClass('ybtn-disabled');
this.disabled = false;
},
onClick : function(e){
e.preventDefault();
if(!this.disabled){
this.fireEvent('click', this, e);
if(this.handler){
this.handler.call(this.scope || this, this, e);
}
}
},
onMouseOver : function(e){
if(!this.disabled){
this.el.addClass('ybtn-over');
}
},
onMouseOut : function(e){
this.el.removeClass('ybtn-over');
},
onMouseDown : function(){
if(!this.disabled){
this.el.addClass('ybtn-click');
}
},
onMouseUp : function(){
this.el.removeClass('ybtn-click');
}
});
|
