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Only act on selection change if it changed

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This commit is contained in:
Trevor Parscal 2011-12-06 22:45:38 +00:00
parent 68a0026f56
commit ee1caca875
1 changed files with 14 additions and 8 deletions
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22
modules/es/models/es.SurfaceModel.js
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@ -61,15 +61,21 @@ es.SurfaceModel.prototype.getSelection = function() {
*/
es.SurfaceModel.prototype.select = function( selection, isManual ) {
selection.normalize();
this.selection = selection;
if ( isManual ) {
// check if the last thing is a selection, if so, swap it.
this.pushSelection( selection );
if (
// First selection
!this.selection ||
// From changed
selection.from !== this.selection.from ||
// To changed
selection.to !== this.selection.to
) {
this.selection = selection;
if ( isManual ) {
// check if the last thing is a selection, if so, swap it.
this.pushSelection( selection );
}
this.emit( 'select', this.selection.clone() );
}
this.emit( 'select', this.selection.clone() );
};
/**