ant/org.eclipse.ant.ui/src/org/eclipse/ant/internal/ui/TypesPage.java

/*******************************************************************************
 * Copyright (c) 2002 IBM Corporation and others.
 * All rights reserved.   This program and the accompanying materials
 * are made available under the terms of the Common Public License v0.5
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v05.html
 * 
 * Contributors:
 * IBM - Initial API and implementation
 ******************************************************************************/
package org.eclipse.ant.internal.ui;

import org.eclipse.ant.internal.core.Type;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.*;

/**
 * A widget group for the types tab of the ant classpath preference page.
 */
public class TypesPage extends CustomizeAntPage {
	protected Button editButton;
	protected Button removeButton;

	//button constants
	protected static final int ADD_TYPE_BUTTON= IDialogConstants.CLIENT_ID + 1;
	protected static final int EDIT_TYPE_BUTTON = IDialogConstants.CLIENT_ID + 2;
	protected static final int REMOVE_BUTTON = IDialogConstants.CLIENT_ID + 3;

public TypesPage() {
}
protected void addButtonsToButtonGroup(Composite parent) {
	createButton(parent, "preferences.customize.addTypeButtonTitle", ADD_TYPE_BUTTON);
	editButton = createButton(parent, "preferences.customize.editTypeButtonTitle", EDIT_TYPE_BUTTON);
	createSeparator(parent);
	removeButton = createButton(parent, "preferences.customize.removeButtonTitle", REMOVE_BUTTON);
}
protected void addTypeButtonPressed() {
	String title = Policy.bind("preferences.customize.addTypeDialogTitle");
	String msg = Policy.bind("preferences.customize.addTypeDialogDescription");
	AddTaskDialog dialog = new AddTaskDialog(tableViewer.getControl().getShell(), title, msg);
	if (dialog.open() == Dialog.CANCEL)
		return;
		
	Type type = new Type();
	type.setTypeName(dialog.getTaskName());
	type.setClassName(dialog.getClassName());
	type.setLibrary(dialog.getLibrary());
	contentProvider.add(type);	
}
protected void buttonPressed(int buttonId) {
	switch (buttonId) {
		case ADD_TYPE_BUTTON:
			addTypeButtonPressed();
			break;
		case EDIT_TYPE_BUTTON:
			editTypeButtonPressed();
			break;
		case REMOVE_BUTTON:
			removeButtonPressed();
			break;
	}
}
public TabItem createTabItem(TabFolder folder) {
	TabItem item = new TabItem(folder, SWT.NONE);
	item.setText(Policy.bind("preferences.customize.typesPageTitle"));
	final Image image = AntUIPlugin.getPlugin().getImageDescriptor(AntUIPlugin.IMG_TYPE).createImage();
	item.setImage(image);
	item.setData(this);
	item.setControl(createControl(folder));
	item.addDisposeListener(new DisposeListener() {
		public void widgetDisposed(DisposeEvent e) {
			if (image != null)
				image.dispose();
		}
	});
	return item;
}
protected void editTypeButtonPressed() {
	String title = Policy.bind("preferences.customize.editTypeDialogTitle");
	String msg = Policy.bind("preferences.customize.editTypeDialogDescription");
	AddTaskDialog dialog = new AddTaskDialog(tableViewer.getControl().getShell(), title, msg);
	IStructuredSelection selection = (IStructuredSelection)tableViewer.getSelection();
	if (selection.isEmpty())
		return;
	Type type= (Type)selection.getFirstElement();
	dialog.setClassName(type.getClassName());
	dialog.setTaskName(type.getTypeName());
	dialog.setLibrary(type.getLibrary());
	if (dialog.open() == Dialog.CANCEL)
		return;
		
	type.setTypeName(dialog.getTaskName());
	type.setClassName(dialog.getClassName());
	type.setLibrary(dialog.getLibrary());
	tableViewer.update(type, null);
}
/**
 * @see CustomizeAntPage#tableSelectionChanged(ISelection)
 */
protected void tableSelectionChanged(IStructuredSelection newSelection) {
	int size = newSelection.size();
	editButton.setEnabled(size == 1);
	removeButton.setEnabled(size > 0);
}
}