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1 | /*************************************************************************** |
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2 | * Copyright (C) 2003-2007 Polytechnique.org * |
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3 | * http://opensource.polytechnique.org/ * |
4 | * * |
5 | * This program is free software; you can redistribute it and/or modify * |
6 | * it under the terms of the GNU General Public License as published by * |
7 | * the Free Software Foundation; either version 2 of the License, or * |
8 | * (at your option) any later version. * |
9 | * * |
10 | * This program is distributed in the hope that it will be useful, * |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
13 | * GNU General Public License for more details. * |
14 | * * |
15 | * You should have received a copy of the GNU General Public License * |
16 | * along with this program; if not, write to the Free Software * |
17 | * Foundation, Inc., * |
18 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * |
19 | ***************************************************************************/ |
20 | |
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21 | function AjaxEngine() |
22 | { |
23 | this.xml_client = null; |
24 | this.init = false; |
25 | this.obj = null; |
26 | this.func = null; |
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27 | |
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28 | this.prepare_client = function() |
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29 | { |
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30 | if (!this.init) { |
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31 | if (window.XMLHttpRequest) { |
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32 | this.xml_client = new XMLHttpRequest(); |
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33 | } else if (window.ActiveXObject) { |
34 | try { |
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35 | this.xml_client = new ActiveXObject("Msxml2.XMLHTTP"); |
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36 | } catch (e) { |
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37 | this.xml_client = new ActiveXObject("Microsoft.XMLHTTP"); |
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38 | } |
39 | } |
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40 | if (this.xml_client == null) { |
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41 | alert("Ton client ne supporte pas Ajax, nécessaire pour certaines fonctionalités de cette page"); |
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42 | } |
43 | } |
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44 | this.init = true; |
45 | } |
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46 | |
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47 | this.update_html = function(obj, src, func) |
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48 | { |
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49 | this.prepare_client(); |
50 | if (this.xml_client == null) { |
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51 | return true; |
52 | } |
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53 | if (src.match(/^http/i) == null) { |
54 | src = platal_baseurl + src; |
55 | } |
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56 | this.obj = obj; |
57 | this.func = func; |
58 | this.xml_client.abort(); |
59 | this.xml_client.onreadystatechange = this.apply_update_html(this); |
60 | this.xml_client.open ('GET', src, true); |
61 | this.xml_client.send (null); |
62 | return false; |
63 | } |
64 | |
65 | this.apply_update_html = function(ajax) |
66 | { |
67 | return function() |
68 | { |
69 | if(ajax.xml_client.readyState == 4) { |
70 | if (ajax.xml_client.status == 200) { |
71 | if (ajax.obj != null) { |
72 | document.getElementById(ajax.obj).innerHTML = ajax.xml_client.responseText; |
73 | } |
74 | if (ajax.func != null) { |
75 | ajax.func(ajax.xml_client.responseText); |
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76 | } |
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77 | } else if (ajax.xml_client.status == 403) { |
78 | window.location.reload(); |
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79 | } |
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80 | } |
81 | }; |
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82 | } |
83 | } |
84 | |
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85 | var Ajax = new AjaxEngine(); |
86 | |
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87 | var currentTempMessage = 0; |
88 | function setOpacity(obj, opacity) |
89 | { |
90 | opacity = (opacity == 100)?99:opacity; |
91 | // IE |
92 | obj.style.filter = "alpha(opacity:"+opacity+")"; |
93 | // Safari < 1.2, Konqueror |
94 | obj.style.KHTMLOpacity = opacity/100; |
95 | // Old Mozilla |
96 | obj.style.MozOpacity = opacity/100; |
97 | // Safari >= 1.2, Firefox and Mozilla, CSS3 |
98 | obj.style.opacity = opacity/100 |
99 | } |
100 | |
101 | function _showTempMessage(id, state, back) |
102 | { |
103 | var obj = document.getElementById(id); |
104 | if (currentTempMessage != state) { |
105 | return; |
106 | } |
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107 | setOpacity(obj, back * 4); |
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108 | if (back > 0) { |
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109 | setTimeout("_showTempMessage('" + id + "', " + currentTempMessage + "," + (back-1) + ")", 125); |
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110 | } else { |
111 | obj.innerHTML = ""; |
112 | } |
113 | } |
114 | |
115 | function showTempMessage(id, message, success) |
116 | { |
117 | var obj = document.getElementById(id); |
118 | obj.innerHTML = (success ? "<img src='images/icons/wand.gif' alt='' /> " |
119 | : "<img src='images/icons/error.gif' alt='' /> ") + message; |
120 | obj.style.fontWeight = "bold"; |
121 | obj.style.color = (success ? "green" : "red");; |
122 | currentTempMessage++; |
123 | setOpacity(obj, 100); |
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124 | setTimeout("_showTempMessage('" + id + "', " + currentTempMessage + ", 25)", 1000); |
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125 | } |
126 | |
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127 | function previewWiki(idFrom, idTo, withTitle, idShow) |
128 | { |
129 | var text = encodeURIComponent(document.getElementById(idFrom).value); |
130 | if (text == "") { |
131 | return false; |
132 | } |
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133 | var url = "wiki_preview"; |
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134 | if (!withTitle) { |
135 | url += "/notitle"; |
136 | } |
137 | Ajax.update_html(idTo, url + "?text=" + text); |
138 | if (idShow != null) { |
139 | document.getElementById(idShow).style.display = ""; |
140 | } |
141 | } |
142 | |
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143 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: |