1 files changed, 53 insertions, 0 deletions
diff --git a/qooxdoo/source/class/Smokeping/ui/MPosition.js b/qooxdoo/source/class/Smokeping/ui/MPosition.js
new file mode 100644
index 0000000..74b709d
--- /dev/null
+++ b/qooxdoo/source/class/Smokeping/ui/MPosition.js
@@ -0,0 +1,53 @@
+/* ************************************************************************
+#module(Smokeping)
+************************************************************************ */
+
+/**
+ * some mouse handling routines for thegraph mover and zoomer.
+ */
+
+qx.Mixin.define('Smokeping.ui.MPosition',
+{
+
+	members: {
+		_init_cache: function(){
+	        var el = this._target.getElement();
+	        this._page_left = qx.html.Location.getPageAreaLeft(el);
+	        this._page_top = qx.html.Location.getPageAreaTop(el);
+			this._image_width = qx.html.Location.getPageAreaRight(el) - this._page_left;
+	        this._image_height = qx.html.Location.getPageAreaBottom(el) - this._page_top ;
+            this._canvas_top = this._top;
+	        this._canvas_left = this._image_width-this._width-this._right;
+	        this._canvas_right = this._right;
+            this._canvas_bottom = this._image_height-this._height-this._top;
+		},
+
+        _get_mouse_y: function(e){
+	            var mouse_y = e.getPageY()-this._page_top;
+	
+    	        if (mouse_y < this._canvas_top) {
+        	        mouse_y = this._canvas_top;
+            	} 
+                if (mouse_y > this._canvas_top + this._height) {
+                	mouse_y = this._canvas_top + this._height;
+	            }
+                return mouse_y;
+        },
+
+        _get_mouse_x: function(e){
+	            var mouse_x = e.getPageX()-this._page_left;
+	
+    	        if (mouse_x < this._canvas_left) {
+        	        mouse_x = this._canvas_left;
+            	} 
+                if (mouse_x > this._canvas_left + this._width) {
+                	mouse_x = this._canvas_left + this._width;
+	            }
+                return mouse_x;
+        }
+	}
+
+
+});
+ 
+