KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > eclipse > jdt > internal > ui > wizards > buildpaths > FolderSelectionDialog


1 /*******************************************************************************
2  * Copyright (c) 2000, 2006 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Eclipse Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/epl-v10.html
7  *
8  * Contributors:
9  * IBM Corporation - initial API and implementation
10  *******************************************************************************/
11 package org.eclipse.jdt.internal.ui.wizards.buildpaths;
12
13 import org.eclipse.core.resources.IContainer;
14
15 import org.eclipse.swt.SWT;
16 import org.eclipse.swt.events.SelectionAdapter;
17 import org.eclipse.swt.events.SelectionEvent;
18 import org.eclipse.swt.widgets.Button;
19 import org.eclipse.swt.widgets.Composite;
20 import org.eclipse.swt.widgets.Control;
21 import org.eclipse.swt.widgets.Shell;
22
23 import org.eclipse.jface.viewers.ILabelProvider;
24 import org.eclipse.jface.viewers.ISelectionChangedListener;
25 import org.eclipse.jface.viewers.IStructuredSelection;
26 import org.eclipse.jface.viewers.ITreeContentProvider;
27 import org.eclipse.jface.viewers.SelectionChangedEvent;
28 import org.eclipse.jface.viewers.StructuredSelection;
29 import org.eclipse.jface.viewers.TreeViewer;
30 import org.eclipse.jface.window.Window;
31
32 import org.eclipse.ui.PlatformUI;
33 import org.eclipse.ui.dialogs.ElementTreeSelectionDialog;
34 import org.eclipse.ui.dialogs.NewFolderDialog;
35
36 import org.eclipse.ui.views.navigator.ResourceComparator;
37
38 import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
39 import org.eclipse.jdt.internal.ui.wizards.NewWizardMessages;
40
41 /**
42   */
43 public class FolderSelectionDialog extends ElementTreeSelectionDialog implements ISelectionChangedListener {
44
45     private Button fNewFolderButton;
46     private IContainer fSelectedContainer;
47
48     public FolderSelectionDialog(Shell parent, ILabelProvider labelProvider, ITreeContentProvider contentProvider) {
49         super(parent, labelProvider, contentProvider);
50         setComparator(new ResourceComparator(ResourceComparator.NAME));
51     }
52
53     /* (non-Javadoc)
54      * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)
55      */
56     protected Control createDialogArea(Composite parent) {
57         Composite result= (Composite)super.createDialogArea(parent);
58         
59         getTreeViewer().addSelectionChangedListener(this);
60         
61         Button button = new Button(result, SWT.PUSH);
62         button.setText(NewWizardMessages.FolderSelectionDialog_button);
63         button.addSelectionListener(new SelectionAdapter() {
64             public void widgetSelected(SelectionEvent event) {
65                 newFolderButtonPressed();
66             }
67         });
68         button.setFont(parent.getFont());
69         fNewFolderButton= button;
70         
71         applyDialogFont(result);
72
73         PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, IJavaHelpContextIds.BP_SELECT_DEFAULT_OUTPUT_FOLDER_DIALOG);
74         
75         return result;
76     }
77
78     private void updateNewFolderButtonState() {
79         IStructuredSelection selection= (IStructuredSelection) getTreeViewer().getSelection();
80         fSelectedContainer= null;
81         if (selection.size() == 1) {
82             Object JavaDoc first= selection.getFirstElement();
83             if (first instanceof IContainer) {
84                 fSelectedContainer= (IContainer) first;
85             }
86         }
87         fNewFolderButton.setEnabled(fSelectedContainer != null);
88     }
89     
90     protected void newFolderButtonPressed() {
91         NewFolderDialog dialog= new NewFolderDialog(getShell(), fSelectedContainer) {
92             protected Control createContents(Composite parent) {
93                 PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, IJavaHelpContextIds.BP_CREATE_NEW_FOLDER);
94                 return super.createContents(parent);
95             }
96         };
97         if (dialog.open() == Window.OK) {
98             TreeViewer treeViewer= getTreeViewer();
99             treeViewer.refresh(fSelectedContainer);
100             Object JavaDoc createdFolder= dialog.getResult()[0];
101             treeViewer.reveal(createdFolder);
102             treeViewer.setSelection(new StructuredSelection(createdFolder));
103         }
104     }
105     
106     /* (non-Javadoc)
107      * @see org.eclipse.jface.viewers.ISelectionChangedListener#selectionChanged(org.eclipse.jface.viewers.SelectionChangedEvent)
108      */
109     public void selectionChanged(SelectionChangedEvent event) {
110         updateNewFolderButtonState();
111     }
112     
113
114
115 }
116
Popular Tags