DetailController


1   package org.oddjob.monitor.control;
2   
3   import javax.swing.JTree  ;
4   import javax.swing.event.ChangeEvent  ;
5   import javax.swing.event.ChangeListener  ;
6   import javax.swing.event.TreeSelectionEvent  ;
7   import javax.swing.event.TreeSelectionListener  ;
8   
9   import org.oddjob.monitor.model.DetailModel;
10  import org.oddjob.monitor.model.JobTreeNode;
11  import org.oddjob.monitor.view.DetailView;
12  
13  /**
14   * Controller for the detail pane of the monitor. This listens
15   * for tab change event in the view and updates the model.
16   * 
17   * @author Rob Gordon 
18   */
19  
20  public class DetailController implements TreeSelectionListener   {
21  
22      /** The model. */
23      private final DetailModel detailModel;
24      
25      /** The view. */
26      private final DetailView detailView;
27      
28      /** The current/last node */
29      private JobTreeNode currentNode;
30      
31      /**
32       * Constructor
33       */
34      public DetailController(DetailModel detailModel, DetailView detailView) {       
35          this.detailModel = detailModel;
36          this.detailView = detailView;
37          
38          // create detailed view
39          detailView.addChangeListener(new ChangeListener  () {
40              public void stateChanged(ChangeEvent   e) {
41                  if (currentNode != null) {
42                      DetailController.this.detailModel.deSelect(
43                              currentNode.getExplorerContext(), currentNode.getComponent());
44                      DetailController.this.detailModel.setTabSelected(
45                              DetailController.this.detailView.getSelectedIndex()); 
46                      DetailController.this.detailModel.select(currentNode.getExplorerContext(), currentNode.getComponent());
47      
48                  }
49              }
50          });
51      }
52  
53      /*
54       *  (non-Javadoc)
55       * @see javax.swing.event.TreeSelectionListener#valueChanged(javax.swing.event.TreeSelectionEvent)
56       */
57      public void valueChanged(TreeSelectionEvent   event) {
58          if (currentNode != null) {
59              detailModel.deSelect(currentNode.getExplorerContext(), currentNode.getComponent());
60              currentNode = null;
61          }   
62          JTree   tree = (JTree  )event.getSource();
63          JobTreeNode node = (JobTreeNode)tree.getLastSelectedPathComponent();
64          if (node != null) {
65              currentNode = node;
66              detailModel.setTabSelected(detailView.getSelectedIndex()); 
67              detailModel.select(node.getExplorerContext(), node.getComponent());
68          }
69      }
70      
71  }
72
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags