X-Git-Url: http://git.polytechnique.org/?a=blobdiff_plain;f=htdocs%2Fjavascript%2Fajax.js;h=84a10adad321a4077cb7db19f2f8405368821f6c;hb=311bc3ad57fea21b4463a6d8fa96737b2ec0d3c1;hp=5d34faffecb5cf867d6649b71dac693503affa5d;hpb=b75820153a6ad3d15a33472aa008e8d3225b6d81;p=platal.git

diff --git a/htdocs/javascript/ajax.js b/htdocs/javascript/ajax.js
index 5d34faf..84a10ad 100644
--- a/htdocs/javascript/ajax.js
+++ b/htdocs/javascript/ajax.js
@@ -1,5 +1,5 @@
 /***************************************************************************
- *  Copyright (C) 2003-2006 Polytechnique.org                              *
+ *  Copyright (C) 2003-2007 Polytechnique.org                              *
  *  http://opensource.polytechnique.org/                                   *
  *                                                                         *
  *  This program is free software; you can redistribute it and/or modify   *
@@ -18,51 +18,123 @@
  *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA                *
  ***************************************************************************/
 
-Ajax = {
-    xml_client: null,
-    init: false,
+function AjaxEngine()
+{
+    this.xml_client = null;
+    this.init = false;
+    this.obj  = null;
+    this.func = null;
 
-    prepare_client: function()
+    this.prepare_client = function()
     {
-        if (!Ajax.init) {
+        if (!this.init) {
             if (window.XMLHttpRequest) {
-                Ajax.xml_client = new XMLHttpRequest();
+                this.xml_client = new XMLHttpRequest();
             } else if (window.ActiveXObject) {
                 try {
-                    Ajax.xml_client = new ActiveXObject("Msxml2.XMLHTTP");
+                    this.xml_client = new ActiveXObject("Msxml2.XMLHTTP");
                 } catch (e) {
-                    Ajax.xml_client = new ActiveXObject("Microsoft.XMLHTTP");
+                    this.xml_client = new ActiveXObject("Microsoft.XMLHTTP");
                 }
             }
-            if (Ajax.xml_client == null) {
-                alert("Ton client ne supporte pas Ajax, nécessaire pour certaines fonctionalités de cette page");
+            if (this.xml_client == null) {
+                alert("Ton client ne supporte pas Ajax, nécessaire pour certaines fonctionalités de cette page");
             }
         }
-        Ajax.init = true;
-    },
+        this.init = true;
+    }
 
-    update_html: function(obj, src)
+    this.update_html = function(obj, src, func)
     {
-        Ajax.prepare_client();
-        if (Ajax.xml_client == null) {
+        this.prepare_client();
+        if (this.xml_client == null) {
             return true;
         }
-        Ajax.xml_client.abort();
-        Ajax.xml_client.onreadystatechange = function()
-            {
-                if(Ajax.xml_client.readyState == 4) {
-                    if (Ajax.xml_client.status == 200) {
-                    	if (obj != null) {
-                        	document.getElementById(obj).innerHTML = Ajax.xml_client.responseText;
-                        }
-                    } else if (Ajax.xml_client.status == 403) {
-                        window.location.reload();
+        this.obj = obj;
+        this.func = func;
+        this.xml_client.abort();
+        this.xml_client.onreadystatechange = this.apply_update_html(this);
+        this.xml_client.open ('GET', src, true);
+        this.xml_client.send (null);
+        return false;
+    }
+
+    this.apply_update_html = function(ajax)
+    {
+        return function()
+        {
+            if(ajax.xml_client.readyState == 4) { 
+                if (ajax.xml_client.status == 200) { 
+                    if (ajax.obj != null) {  
+                        document.getElementById(ajax.obj).innerHTML = ajax.xml_client.responseText; 
                     }
+                    if (ajax.func != null) { 
+                        ajax.func(ajax.xml_client.responseText); 
+                    }
+                } else if (ajax.xml_client.status == 403) { 
+                    window.location.reload(); 
                 }
-            };
-        Ajax.xml_client.open ('GET', src, true);
-        Ajax.xml_client.send (null);
-        return false;
+            }
+        };
     }
 }
 
+var Ajax = new AjaxEngine();
+
+var currentTempMessage = 0;
+function setOpacity(obj, opacity)
+{
+  opacity = (opacity == 100)?99:opacity;
+  // IE
+  obj.style.filter = "alpha(opacity:"+opacity+")";
+  // Safari < 1.2, Konqueror
+  obj.style.KHTMLOpacity = opacity/100;
+  // Old Mozilla
+  obj.style.MozOpacity = opacity/100;
+  // Safari >= 1.2, Firefox and Mozilla, CSS3
+  obj.style.opacity = opacity/100
+}
+
+function _showTempMessage(id, state, back)
+{
+    var obj = document.getElementById(id);
+    if (currentTempMessage != state) {
+        return;
+    }   
+    setOpacity(obj, back * 4);
+    if (back > 0) {
+        setTimeout("_showTempMessage('" + id + "', " + currentTempMessage + "," + (back-1) + ")", 125);
+    } else {
+        obj.innerHTML = "";
+    }
+}
+
+function showTempMessage(id, message, success)
+{
+    var obj = document.getElementById(id);
+    obj.innerHTML = (success ? "<img src='images/icons/wand.gif' alt='' /> "
+                             : "<img src='images/icons/error.gif' alt='' /> ") + message;
+    obj.style.fontWeight = "bold";
+    obj.style.color = (success ? "green" : "red");;
+    currentTempMessage++;
+    setOpacity(obj, 100);
+    setTimeout("_showTempMessage('" + id + "', " + currentTempMessage + ", 25)", 1000);
+}
+
+function previewWiki(idFrom, idTo, withTitle, idShow)
+{
+    var text = encodeURIComponent(document.getElementById(idFrom).value);
+    if (text == "") {
+        return false;
+    }   
+    var url  = "wiki_preview";
+    if (!withTitle) {
+        url += "/notitle";
+    }   
+    Ajax.update_html(idTo, url + "?text=" + text);
+    if (idShow != null) {
+        document.getElementById(idShow).style.display = "";
+    }   
+}
+
+// vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: