Changeset 118:e32d45d47e18 for source

Timestamp:

Jan 19, 2009, 4:40:06 PM (15 years ago)

Author:

fnevgeny

Branch:

default

Phase:

public

Message:

Hide tracker when the pointer is outside of the viewport.

File:

• source/class/pf/ui/canvas/Plotter.js (modified) (2 diffs)

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

@@ -87 +87 @@
                 tracker.setLeft(tracker.dp.x + 12);
                 tracker.setTop(tracker.dp.y - 12);
+                
+                if (this.isInsideViewport(tracker.vp)) {
+                    tracker.show();
+                } else {
+                    tracker.hide();
+                }
             }, this);
         
@@ -212 +218 @@
             this.w.xmax = Math.max(wxmin, wxmax);
             this.w.ymax = Math.max(wymin, wymax);
+        },
+        
+        isInsideViewport: function(vp) {
+            var v = this.v;
+            if (vp.x >= v.xmin && vp.x <= v.xmax &&
+                vp.y >= v.ymin && vp.y <= v.ymax) {
+                return true;
+            } else {
+                return false;
+            }
         },