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
|
/*
*
* HtmlArea (tinyMCE) wrapper
*
* @author Gabor Berczi <gabor.berczi@devworx.hu>
*
*/
Prado.WebUI.THtmlArea = Class.create();
Prado.WebUI.THtmlArea.prototype =
{
initialize : function(options)
{
this.onInit(options);
},
onInit : function(options)
{
if (typeof(tinyMCE)=='undefined')
throw "TinyMCE libraries must be loaded first";
this.options = options;
this.id = options.elements;
var p = Prado.Registry.get(this.id);
if (p) p.deinitialize();
tinyMCE.init(options);
Prado.Registry.set(this.id, this);
var obj = this;
this.ajaxresponder = {
onComplete : function(request)
{
if(request && request instanceof Prado.AjaxRequest)
obj.checkInstance();
}
};
this.registerAjaxHook();
},
checkInstance: function()
{
if (!document.getElementById(this.id))
this.deinitialize();
},
removePreviousInstance: function()
{
for(var i=0;i<tinyMCE.editors.length;i++)
if (tinyMCE.editors[i].id==this.id)
{
tinyMCE.editors = tinyMCE.editors.slice(0,i-1).concat(tinyMCE.editors.slice(i+1)); // ugly hack, but works
this.deRegisterAjaxHook();
Prado.Registry.unset(this.id);
i--;
}
},
registerAjaxHook: function()
{
if (typeof(Ajax)!="undefined")
if (typeof(Ajax.Responders)!="undefined")
Ajax.Responders.register(this.ajaxresponder);
},
deRegisterAjaxHook: function()
{
if (typeof(Ajax)!="undefined")
if (typeof(Ajax.Responders)!="undefined")
Ajax.Responders.unregister(this.ajaxresponder);
},
deinitialize: function()
{
// check for previous tinyMCE registration, and try to remove it gracefully first
var prev = tinyMCE.get(this.id);
if (prev)
try
{
tinyMCE.execCommand('mceFocus', false, this.id);
tinyMCE.execCommand('mceRemoveControl', false, this.id);
}
catch (e)
{
// suppress error here in case editor can't be properly removed
// (happens when <textarea> has been removed from DOM tree without deinitialzing the tinyMCE editor first)
}
// doublecheck editor instance here and remove manually from tinyMCE-registry if neccessary
this.removePreviousInstance();
this.deRegisterAjaxHook();
}
}
|
