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   *  regarding copyright ownership.  The ASF licenses this file
   *  to you under the Apache License, Version 2.0 (the
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   *    https://www.apache.org/licenses/LICENSE-2.0
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  package org.apache.cayenne.modeler.graph.action;
  
  import java.awt.event.ActionEvent;
  
  import org.apache.cayenne.modeler.Application;
  import org.apache.cayenne.modeler.graph.DataDomainGraphTab;
  import org.apache.cayenne.modeler.graph.GraphBuilder;
  import org.apache.cayenne.modeler.util.CayenneAction;
  import org.jgraph.JGraph;
  
  /**
   * Action for zooming in graph
   */
  public class ZoomInAction extends CayenneAction {    
      private final DataDomainGraphTab dataDomainGraphTab;
      
      public ZoomInAction(DataDomainGraphTab dataDomainGraphTab, Application application) {
          super("Zoom In", application);
          this.dataDomainGraphTab = dataDomainGraphTab;
          setEnabled(true);
      }
      
      @Override
      public String getIconName() {
          return "icon-zoom-in.png";
      }
      
      @Override
      public void performAction(ActionEvent e) {
          JGraph graph = dataDomainGraphTab.getGraph();
          graph.setScale(graph.getScale() * GraphBuilder.ZOOM_FACTOR);
      }
  }
  