ZoomIn


1   package org.enhydra.shark.swingclient.workflowadmin.actions;
2   
3   import java.awt.event.*;
4   import java.awt.Dimension  ;
5   
6   import org.enhydra.shark.swingclient.*;
7   import org.enhydra.shark.swingclient.workflowadmin.*;
8   
9   /**
10  * Zoom in (for 15%)
11  */
12  public class ZoomIn extends ActionBase {
13  
14     public ZoomIn (ProcessViewer pv) {
15        super(pv);
16     }
17  
18     public void actionPerformed(ActionEvent e) {
19        ProcessViewer pv=(ProcessViewer)actionPanel;
20        try {
21           pv.getCurrentGraph();
22           pv.setScale(pv.getCurrentGraph().getScale()/0.85);
23           Dimension   prefSize=pv.getCurrentGraph().getSize();
24           prefSize.width=(int)(prefSize.width/0.85);
25           prefSize.height=(int)(prefSize.height/0.85);
26           pv.getCurrentGraph().setPreferredSize(prefSize);
27           // With JGraph3.4.1 this causes problems
28           /*if (pv.getCurrentGraph().getSelectionCell() != null) {
29              pv.getCurrentGraph().scrollCellToVisible(pv.getCurrentGraph().getSelectionCell());
30            }*/
31        } catch (Exception   ex) {}
32     }
33  }
34

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