add timing methods in tools.js

UNGProject/js/tools.js

@@ -33,12 +33,94 @@ UngObject.prototype.inherits = function(superClass) {
  */
 currentTime = function() {return (new Date()).toUTCString();}
 
+
+
+// save
+saveXHR = function(address) {
+    //create request
+    var xhr=null;
+    try
+    {
+        xhr = new XMLHttpRequest();
+    } catch(e)
+    {
+        try {xhr = new ActiveXObject("Msxml2.XMLHTTP");}
+        catch (e2)
+        {
+            try {xhr = new ActiveXObject("Microsoft.XMLHTTP");}
+            catch (e) {alert("Please install a more recent browser")}
+        }
+    }
+
+    //xhr.open("PUT", keyToUrl(key, wallet), true, wallet.userAddress, wallet.davToken);
+    //HACK:
+    xhr.open("PUT", address, true);
+    xhr.setRequestHeader("Authorization", "Basic "+"nom:test");
+    //END HACK.
+
+    xhr.onreadystatechange = function() {
+            if(xhr.readyState == 4) {
+                    if(xhr.status != 200 && xhr.status != 201 && xhr.status != 204) {
+                            alert("error: got status "+xhr.status+" when doing basic auth PUT on url "+Base64.encode("nom:test")+"    " + xhr.statusText);
+                    }
+            }
+    }
+    xhr.withCredentials = "true";
+    xhr.send(JSON.stringify(getCurrentDocument()));
+}
+
+// load
+loadXHR = function(address) {
+
+    //create request
+    var xhr=null;
+    try
+    {
+        xhr = new XMLHttpRequest();
+    } catch(e)
+    {
+        try {xhr = new ActiveXObject("Msxml2.XMLHTTP");}
+        catch (e2)
+        {
+            try {xhr = new ActiveXObject("Microsoft.XMLHTTP");}
+            catch (e) {}
+        }
+    }
+
+    xhr.open("GET", address, true);
+    xhr.onreadystatechange = function() {
+            if(xhr.readyState == 4) {
+
+                    var cDoc = getCurrentDocument();
+                    if(xhr.status == 200) {
+                           cDoc.load(JSON.parse(xhr.responseText));
+                    } else {
+                           alert("error: got status "+xhr.status+" when doing basic auth GET on url "+"nom:test"+"    " + xhr.statusText);
+                    }
+                   cDoc.setAsCurrentDocument();
+            }
+    }
+    xhr.send();
+}
+
 /*
  * wait an event before execute an action
  */
-waitBeforeExecution = function(event, func) {
-    var waitBefore = function() {
-        if(event) {func.call();} else {setTimeout(waitBefore,1000)}
+tryUntilSucceed = function(func) {
+    var nb = 2;//avoid to test too much times
+    var retry = function() {
+        try {return func.call();}
+        catch(e) {if(nb<100) {setTimeout(retry,nb*100); alert(e);}}
+        nb*=nb;
     }
-    setTimeout(waitBefore,1000);
+    retry();
 }
+
+requireBeforeSucceed = function(required, func) {
+    var test = function() {
+        try {return required.call();}
+        catch(e) {return null;}
+    }
+    if(test()) {tryUntilSucceed(func);} else {setTimeout(test,100);};
+}
+