From 823d40c77053c8fb30359de896d7e30b85de2a3a Mon Sep 17 00:00:00 2001
From: Tobi Oetiker <tobi@oetiker.ch>
Date: Sun, 18 Nov 2007 12:04:33 +0000
Subject: more updates

---
 qooxdoo/source/class/Smokeping/ui/Navigator.js | 77 +++++++++++++++++++++++---
 1 file changed, 70 insertions(+), 7 deletions(-)

(limited to 'qooxdoo/source/class/Smokeping/ui/Navigator.js')

diff --git a/qooxdoo/source/class/Smokeping/ui/Navigator.js b/qooxdoo/source/class/Smokeping/ui/Navigator.js
index 6247930..b61d91e 100644
--- a/qooxdoo/source/class/Smokeping/ui/Navigator.js
+++ b/qooxdoo/source/class/Smokeping/ui/Navigator.js
@@ -21,15 +21,78 @@ qx.Class.define('Smokeping.ui.Navigator',
      *
      */
 
-    construct: function (image) {
+    construct: function (src,width,height) {
+		this._graph_src = src;
+		this._graph_width = width;
+		this._graph_height = height;
 		with(this){
-			base(arguments,this.tr("Smokeping Graph Navigator"));
-			var plot = new qx.ui.basic.Image(image.getSource());			
-			setZIndex(100000);
-			add(plot);
+			base(arguments,tr("Smokeping Graph Navigator"));
+			set({
+				showMaximize: false,
+				showMinimize: false,
+				width:		  width,
+				height:		  height,
+				minWidth: 	  120,
+				minHeight:    80,
+				backgroundColor: '#f0f0f0'
+			});
 		}
-		
-    }
+		this._lastrun = 0;
+		this._loader = new Smokeping.ui.LoadingAnimation();
+		this._update_image();
+    },
+	members: {
+		// resizable objects have a changeWidth method
+		// which we can override to take part in the fun
+		// why I have to access this._graph_width without the this.
+        // in this case
+		_changeWidth: function(newWidth) {
+			var diff = newWidth - this.getBoxWidth();			
+			this.debug(this.getBoxWidth());
+			this.debug(this.getBoxHeight());
+			this.base(arguments, newWidth);
+			this.add(this._loader);
+			this._graph_width = this._graph_width + diff;
+			qx.client.Timer.once(this._update_image,this,250);
+		},
+		_changeHeight: function(newHeight) {			
+			var diff = newHeight - this.getBoxHeight();
+			this.base(arguments, newHeight);
+			this.add(this._loader);
+			this._graph_height = this._graph_height + diff;
+ 			qx.client.Timer.once(this._update_image,this,250);
+
+		},
+		_update_image: function(){
+			var now = (new Date()).getTime();
+            if (this._lastrun + 1000 < now) {
+				this._preloader = qx.io.image.PreloaderManager.getInstance().create(
+					this._graph_src+';w='+this._graph_width+';h='+this._graph_height);
+              	if (this._preloader.isLoaded()){
+     		        	qx.client.Timer.once(this._show_image,this,0);
+	          	} else {
+       	        	this._preloader.addEventListener('load', this._show_image, this);
+           	  	}
+  				this._lastrun = now;
+			}
+			else {
+               	this.debug('Skipping update since previous update less tahn 1 second')
+       	    }
+		},
+		_show_image: function(e){
+			with(this){
+				set({
+					width: 'auto',
+					height: 'auto'
+				});
+				var image = new qx.ui.basic.Image();
+				image.setPreloader(this._preloader);
+   				qx.io.image.PreloaderManager.getInstance().remove(this._preloader);
+				removeAll();
+				add(image);
+			}
+		}
+	}
 
 
 });
-- 
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