es.Tool = function( toolbar ) { this.$ = $( '
' ); if ( !toolbar ) { return; } var _this = this; this.toolbar = toolbar; this.toolbar.on( 'update', function( param ) { var selection = _this.toolbar.surfaceView.currentSelection; var annotations; if( selection.from === selection.to ) { annotations = _this.toolbar.surfaceView.documentView.model.getAnnotationsFromOffset( selection.to ); } else { annotations = _this.toolbar.surfaceView.documentView.model.getAnnotationsFromRange( selection ); } _this.updateState( selection, annotations ); } ); }; es.Tool.prototype.updateState = function() { };