/*******************************************************************************
* Copyright (c) 2000, 2006 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.erlide.ui.util;
import org.eclipse.core.resources.IContainer;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.ElementTreeSelectionDialog;
import org.eclipse.ui.dialogs.NewFolderDialog;
import org.eclipse.ui.views.navigator.ResourceComparator;
import org.erlide.ui.editors.erl.IErlangHelpContextIds;
/**
*/
public class FolderSelectionDialog extends ElementTreeSelectionDialog implements
ISelectionChangedListener {
private Button fNewFolderButton;
private IContainer fSelectedContainer;
public FolderSelectionDialog(final Shell parent, final ILabelProvider labelProvider,
final ITreeContentProvider contentProvider) {
super(parent, labelProvider, contentProvider);
setComparator(new ResourceComparator(ResourceComparator.NAME));
}
@Override
protected Control createDialogArea(final Composite parent) {
final Composite result = (Composite) super.createDialogArea(parent);
getTreeViewer().addSelectionChangedListener(this);
final Button button = new Button(result, SWT.PUSH);
button.setText("Create &New Folder...");
button.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(final SelectionEvent event) {
newFolderButtonPressed();
}
});
button.setFont(parent.getFont());
fNewFolderButton = button;
applyDialogFont(result);
PlatformUI
.getWorkbench()
.getHelpSystem()
.setHelp(parent,
IErlangHelpContextIds.BP_SELECT_DEFAULT_OUTPUT_FOLDER_DIALOG);
return result;
}
private void updateNewFolderButtonState() {
final IStructuredSelection selection = (IStructuredSelection) getTreeViewer()
.getSelection();
fSelectedContainer = null;
if (selection.size() == 1) {
final Object first = selection.getFirstElement();
if (first instanceof IContainer) {
fSelectedContainer = (IContainer) first;
}
}
fNewFolderButton.setEnabled(fSelectedContainer != null);
}
protected void newFolderButtonPressed() {
final NewFolderDialog dialog = new NewFolderDialog(getShell(), fSelectedContainer);
if (dialog.open() == Window.OK) {
final TreeViewer treeViewer = getTreeViewer();
treeViewer.refresh(fSelectedContainer);
final Object createdFolder = dialog.getResult()[0];
treeViewer.reveal(createdFolder);
treeViewer.setSelection(new StructuredSelection(createdFolder));
}
}
@Override
public void selectionChanged(final SelectionChangedEvent event) {
updateNewFolderButtonState();
}
}