ConstructorSelectionPage.java

/***** BEGIN LICENSE BLOCK *****
 * Version: CPL 1.0/GPL 2.0/LGPL 2.1
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 * The contents of this file are subject to the Common Public
 * License Version 1.0 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.eclipse.org/legal/cpl-v10.html
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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 * rights and limitations under the License.
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 * Copyright (C) 2006 Lukas Felber <lfelber@hsr.ch>
 * 
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 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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package org.rubypeople.rdt.refactoring.ui.pages;

import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Widget;
import org.rubypeople.rdt.refactoring.ui.ConstructorGenerationTree;
import org.rubypeople.rdt.refactoring.ui.util.SwtUtils;

public class ConstructorSelectionPage extends RefactoringWizardPage {
	private static final String title = Messages.ConstructorSelectionPage_SelectConstructor;

	private ConstructorGenerationTree tree;

	private ITreeContentProvider contentProvider;

	public ConstructorSelectionPage(ITreeContentProvider contentProvider) {
		super(title);
		setTitle(title);
		this.contentProvider = contentProvider;
	}

	public void createControl(Composite parent) {

		Composite c = new Composite(parent, SWT.NONE);
		c.setLayout(new FillLayout(SWT.HORIZONTAL));

		initTree(c);
		Composite c2 = new Composite(c, SWT.NONE);
		c2.setLayout(new FillLayout(SWT.VERTICAL));
		initExamples(c2);
		setControl(c);
	}

	private ConstructorGenerationTree initTree(Composite c) {
		tree = new ConstructorGenerationTree(c, contentProvider);
		return tree;
	}

	private Widget[] initExamples(Composite c) {
		Group emptyGroup = SwtUtils.initGroup(c, Messages.ConstructorSelectionPage_EmptyConstructor);
		Label emptyLable = SwtUtils.initLabel(emptyGroup, Messages.ConstructorSelectionPage_EmptyConstructorCode);
		Group paramGroup = SwtUtils.initGroup(c, Messages.ConstructorSelectionPage_ParametrisedConstructor);
		Label paramLabel = SwtUtils.initLabel(paramGroup, Messages.ConstructorSelectionPage_ParametrisedConstructorCode);
		return new Widget[] { emptyGroup, emptyLable, paramGroup, paramLabel };
	}
}