Changeset 36:e587ea35dc35

Timestamp:

Jan 7, 2008, 6:56:19 PM (17 years ago)

Author:

fnevgeny

Branch:

default

Phase:

public

Message:

Tracker added.

File:

• source/class/pf/ui/canvas/Plotter.js (modified) (3 diffs)

source/class/pf/ui/canvas/Plotter.js

@@ -45 +45 @@
         this.setCursor("crosshair");
         
-        v = new Array;
+        var v = new Array;
         v.xmin = 0.1;
         v.xmax = 0.9;
         v.ymin = 0.1;
         v.ymax = 0.9;
-        w = new Array;
-        v.xmin = 0.0;
-        v.xmax = 1.0;
-        v.ymin = 0.0;
-        v.ymax = 1.0;
+        var w = new Array;
+        w.xmin = 0.0;
+        w.xmax = 1.0;
+        w.ymin = 0.0;
+        w.ymax = 1.0;
         
         this.v = v;
         this.w = w;
+
+        var tracker = new qx.ui.basic.Atom("X:<br>Y:");
+        tracker.setBorder("groove");
+        tracker.hide();
+        tracker.dp = aPoint();
+        tracker.vp = aPoint();
+        tracker.wp = aPoint();
+        this.add(tracker);
+        this.tracker = tracker;
+        
+        this.setHorizontalChildrenAlign("left");
+        this.setVerticalChildrenAlign("top");
+        
+        this.addEventListener("mousemove", function(ev) {
+                var tracker = this.tracker;
+                var el = this.getElement();
+                tracker.dp.x = ev.getPageX() -
+                    qx.html.Location.getClientInnerLeft(el) - 1;
+                tracker.dp.y = ev.getPageY() -
+                    qx.html.Location.getClientInnerTop(el) - 1;
+                this.dPoint2vPoint(tracker.dp, tracker.vp);
+                this.vPoint2wPoint(tracker.vp, tracker.wp);
+                tracker.setLabel("X: " + NumPrint(tracker.wp.x) +
+                    "<br>Y: " + NumPrint(tracker.wp.y));
+                tracker.setLeft(tracker.dp.x + 12);
+                tracker.setTop(tracker.dp.y - 12);
+            }, this);
+        
+        this.addEventListener("mouseover", function(ev) {
+                this.tracker.show();
+            }, this);
+        
+        this.addEventListener("mouseout", function(ev) {
+                this.tracker.hide();
+            }, this);
     },
     
@@ -71 +106 @@
         },
         
+        dPoint2vPoint: function(dp, vp)
+        {
+            var width  = this.getWidthValue();
+            var height = this.getHeightValue();
+            
+            vp.x = dp.x/width;
+            vp.y = 1.0 - dp.y/height;
+        },
+        
         wPoint2vPoint: function(wp, vp)
         {
@@ -78 +122 @@
             vp.x = v.xmin + (wp.x - w.xmin)/(w.xmax - w.xmin)*(v.xmax - v.xmin);
             vp.y = v.ymin + (wp.y - w.ymin)/(w.ymax - w.ymin)*(v.ymax - v.ymin);
+        },
+        
+        vPoint2wPoint: function(vp, wp)
+        {
+            var v = this.v;
+            var w = this.w;
+            
+            wp.x = w.xmin + (vp.x - v.xmin)/(v.xmax - v.xmin)*(w.xmax - w.xmin);
+            wp.y = w.ymin + (vp.y - v.ymin)/(v.ymax - v.ymin)*(w.ymax - w.ymin);
         },