org.eclipse.babel.tapiji.tools.java.ui/src/org/eclipse/babel/tapiji/tools/java/ui/autocompletion/InsertResourceBundleReferenceProposal.java

/*******************************************************************************
 * Copyright (c) 2012 Martin Reiterer.
 * 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:
 *     Martin Reiterer - initial API and implementation
 ******************************************************************************/
package org.eclipse.babel.tapiji.tools.java.ui.autocompletion;

import java.util.Collection;
import java.util.Locale;

import org.eclipse.babel.tapiji.tools.core.ui.dialogs.ResourceBundleEntrySelectionDialog;
import org.eclipse.babel.tapiji.tools.java.ui.util.ASTutilsUI;
import org.eclipse.core.resources.IResource;
import org.eclipse.jdt.ui.text.java.IJavaCompletionProposal;
import org.eclipse.jface.dialogs.InputDialog;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.contentassist.IContextInformation;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.PlatformUI;

public class InsertResourceBundleReferenceProposal implements
		IJavaCompletionProposal {

	private int offset = 0;
	private int length = 0;
	private IResource resource;
	private String reference;
	private String projectName;

	public InsertResourceBundleReferenceProposal(int offset, int length,
			String projectName, IResource resource,
			Collection<String> availableBundles) {
		this.offset = offset;
		this.length = length;
		this.resource = resource;
		this.projectName = projectName;
	}

	@Override
	public void apply(IDocument document) {
		ResourceBundleEntrySelectionDialog dialog = new ResourceBundleEntrySelectionDialog(
				Display.getDefault().getActiveShell());
		dialog.setProjectName(projectName);

		if (dialog.open() != InputDialog.OK) {
			return;
		}

		String resourceBundleId = dialog.getSelectedResourceBundle();
		String key = dialog.getSelectedResource();
		Locale locale = dialog.getSelectedLocale();

		reference = ASTutilsUI.insertExistingBundleRef(document, resource,
				offset, length, resourceBundleId, key, locale);
	}

	@Override
	public String getAdditionalProposalInfo() {
		return null;
	}

	@Override
	public IContextInformation getContextInformation() {
		return null;
	}

	@Override
	public String getDisplayString() {
		return "Insert reference to a localized string literal";
	}

	@Override
	public Image getImage() {
		return PlatformUI.getWorkbench().getSharedImages()
				.getImageDescriptor(ISharedImages.IMG_OBJ_ADD).createImage();
	}

	@Override
	public Point getSelection(IDocument document) {
		int referenceLength = reference == null ? 0 : reference.length();
		return new Point(offset + referenceLength, 0);
	}

	@Override
	public int getRelevance() {
		if (this.length == 0) {
			return 97;
		} else {
			return 1097;
		}
	}

}