Examples of org.eclipse.swt.widgets.Tree.addSelectionListener()

org.eclipse.swt.widgets.Tree.addSelectionListener()
Adds the listener to the collection of listeners who will be notified when the user changes the receiver's selection, by sending it one of the messages defined in the SelectionListener interface.
When widgetSelected is called, the item field of the event object is valid. If the receiver has the SWT.CHECK style and the check selection changes, the event object detail field contains the value SWT.CHECK. widgetDefaultSelected is typically called when an item is double-clicked. The item field of the event object is valid for default selection, but the detail field is not used.
@param listener the listener which should be notified when the user changes the receiver's selection @exception IllegalArgumentException
- ERROR_NULL_ARGUMENT - if the listener is null
@exception SWTException
- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
@see SelectionListener @see #removeSelectionListener @see SelectionEvent

    GridData gridDataTree = new GridData(GridData.FILL_BOTH);
    gridDataTree.horizontalSpan = 3;
    gridDataTree.widthHint = convertWidthInCharsToPixels(80);
    gridDataTree.heightHint = convertHeightInCharsToPixels(20);
    treeWidget.setLayoutData(gridDataTree);
    treeWidget.addSelectionListener(this);    
    setControl(container);
    performValidation();
  }


  protected TreeViewer createTreeViewer(Composite parent) {

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      }


      /* Tree */
      else if (c instanceof Tree) {
        Tree tree = (Tree) c;
        tree.addSelectionListener(new SelectionAdapter() {
          @Override
          public void widgetSelected(SelectionEvent e) {
            if ((e.detail & SWT.CHECK) != 0)
              run.run();
          }

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            }
        });
        // Handle mouse move events
        tree.addMouseMoveListener(new QuickOutlineMouseMoveListener(fTreeViewer));
        // Handle widget selection events
        tree.addSelectionListener(new SelectionListener() {
            @Override
            public void widgetSelected(final SelectionEvent e) {
                // NO-OP
            }

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                    }
                }
            }


            // listen to treeitem selection
            functionClausesTree.addSelectionListener(new SelectionListener() {


                @Override
                public void widgetDefaultSelected(final SelectionEvent e) {
                }

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      }
        }


        if (fDoubleClickSelects) {
            Tree tree = fViewer.getTree();
            tree.addSelectionListener(new SelectionAdapter() {
                public void widgetDefaultSelected(SelectionEvent e) {
                    updateOKStatus();
                    if (fCurrStatus.isOK()) {
            access$superButtonPressed(IDialogConstants.OK_ID);
          }

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    newMenu = new MenuManager(ClickPlugin.getString("action.new"));
    menu.add(newMenu);
    menu.add(new Separator());
    menu.add(deleteAction);
    tree.setMenu(menu.createContextMenu(tree));
    tree.addSelectionListener(new SelectionAdapter(){
      public void widgetSelected(SelectionEvent evt){
        updateMenu();
      }
    });
    tree.addKeyListener(new KeyAdapter(){

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          }
        }
      }
    });


    tree.addSelectionListener(new SelectionListener() {
      public void widgetSelected(SelectionEvent e) {
        // do nothing
      }
      public void widgetDefaultSelected(SelectionEvent e) {
        gotoSelectedElement();

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    resourcesTree.setData(FormToolkit.KEY_DRAW_BORDER,
        FormToolkit.TREE_BORDER);
    resourcesTreeComposite.setLayoutData(GridDataFactory.fillDefaults()
        .hint(600, 200).grab(true, true).create());


    resourcesTree.addSelectionListener(new CommitItemSelectionListener());


    resourcesTree.setHeaderVisible(true);
    TreeColumn statCol = new TreeColumn(resourcesTree, SWT.LEFT);
    statCol.setText(UIText.CommitDialog_Status);
    statCol.setWidth(150);

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      }


      /* Tree */
      else if (c instanceof Tree) {
        Tree tree = (Tree) c;
        tree.addSelectionListener(new SelectionAdapter() {
          @Override
          public void widgetSelected(SelectionEvent e) {
            if ((e.detail & SWT.CHECK) != 0)
              run.run();
          }

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    newMenu = new MenuManager(ClickPlugin.getString("action.new"));
    menu.add(newMenu);
    menu.add(new Separator());
    menu.add(deleteAction);
    tree.setMenu(menu.createContextMenu(tree));
    tree.addSelectionListener(new SelectionAdapter(){
      public void widgetSelected(SelectionEvent evt){
        updateMenu();
      }
    });
    tree.addKeyListener(new KeyAdapter(){

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