- first use of web services as Ajax: change the privacy level directly from the picture page

git-svn-id: http://piwigo.org/svn/trunk@2413 68402e56-0260-453c-a942-63ccdbb3a9ee

1 files changed, 105 insertions, 0 deletions

diff --git a/template-common/scripts.js b/template-common/scripts.js
index 83f4815e7..452be1699 100644
--- a/template-common/scripts.js
+++ b/template-common/scripts.js
@@ -72,3 +72,108 @@ function popuphelp(url)
   );
 }
 
+
+
+Function.prototype.pwgBind = function() {
+	var __method = this, object = arguments[0], args = new Array();
+	for (var i=1; i<arguments.length; i++)
+		args[i-1] = arguments[i];
+	return function() { return __method.apply(object, args); }
+}
+
+PwgWS = function(urlRoot)
+{
+	this.urlRoot = urlRoot;
+	this.options = {
+		method: "GET",
+		async:  true,
+		onFailure: null,
+		onSuccess: null
+	};
+};
+
+PwgWS.prototype = {
+
+	callService : function(method, parameters, options)
+	{
+		if (options)
+		{
+			for (var property in options)
+				this.options[property] = options[property];
+		}
+		try { this.transport = new XMLHttpRequest();}
+		catch(e) {
+			try { this.transport = new ActiveXObject('Msxml2.XMLHTTP'); }
+			catch(e) {
+				try { this.transport = new ActiveXObject('Microsoft.XMLHTTP'); }
+				catch (e){
+					dispatchError(0, "Cannot create request object");
+				}
+			}
+		}
+		this.transport.onreadystatechange = this.onStateChange.pwgBind(this);
+
+		var url = this.urlRoot;
+		url += "ws.php?format=json&method="+method;
+		if (parameters)
+		{
+			for (var property in parameters)
+			{
+				if ( typeof parameters[property] == 'object' && parameters[property])
+				{
+					for (var i=0; i<parameters[property].length; i++)
+						url += "&"+property+"[]="+parameters[property][i];
+				}
+				else
+					url += "&"+property+"="+parameters[property];
+			}
+		}
+		this.transport.open(this.options.method, url, this.options.async);
+		this.transport.send(null);
+	},
+
+	onStateChange: function() {
+		var readyState = this.transport.readyState;
+		if (readyState == 4)
+			this.respondToReadyState(this.transport.readyState);
+	},
+
+	dispatchError: function( httpCode, text )
+	{
+		!this.options.onFailure || this.options.onFailure( httpCode, text);
+	},
+
+	respondToReadyState: function(readyState)
+	{
+		var transport = this.transport;
+		if (readyState==4 && transport.status == 200)
+		{
+			var resp;
+			try {
+				eval('resp = ' + transport.responseText);
+			}
+			catch (e)
+			{
+				this.dispatchError( 200, e.message + '\n' + transport.responseText.substr(0,256).escapeHTML() );
+			}
+			if (resp!=null)
+			{
+				if (resp.stat==null)
+					this.dispatchError( 200, "Invalid response" );
+				else if (resp.stat=='ok')
+				{
+					if (this.options.onSuccess) this.options.onSuccess( resp.result );
+				}
+				else
+					this.dispatchError( 200, resp.err + " " + resp.message);
+			}
+		}
+		if (readyState==4 && transport.status != 200)
+			this.dispatchError( transport.status, transport.statusText );
+	},
+
+
+	transport: null,
+	urlRoot: null,
+	options: {}
+}