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Trackster: update criteria for allowing composite tracks; any number of line tracks and a feature track can now be composited.

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This commit is contained in:
Jeremy Goecks
2012-01-06 11:41:15 -05:00
parent 2a5ac0d28c
commit 542d206eef
1 changed files with 11 additions and 18 deletions
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static/scripts/trackster.js
+11 -18
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@@ -1061,33 +1061,26 @@ extend(DrawableGroup.prototype, Drawable.prototype, DrawableCollection.prototype
// Determine if a composite track can be created. Current criteria:
// (a) all tracks are the same;
// OR
// (b) there is a LineTrack and a FeatureTrack.
// (b) there is a single FeatureTrack.
//
/// All tracks the same?
var can_composite = true,
a_type = this.drawables[0].get_type();
var drawable,
same_type = true,
a_type = this.drawables[0].get_type(),
num_feature_tracks = 0;
for (var i = 0; i < this.drawables.length; i++) {
if ( this.drawables[i].get_type() !== a_type ) {
drawable = this.drawables[i]
if (drawable.get_type() !== a_type) {
can_composite = false;
break;
}
if (drawable instanceof FeatureTrack) {
num_feature_tracks++;
}
}
if (!can_composite) {
if ( this.drawables.length == 2 &&
(
(this.drawables[0] instanceof FeatureTrack &&
this.drawables[1] instanceof LineTrack)
||
(this.drawables[0] instanceof LineTrack &&
this.drawables[1] instanceof FeatureTrack)
)
)
can_composite = true;
}
if (can_composite) {
if (same_type || num_feature_tracks === 1) {
this.action_icons.composite_icon.show();
}
else {