org.eclipse.rap.ui.internal.launch.rwt.tab.EntryPointTypeSelectionDialog.java Source code

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Here is the source code for org.eclipse.rap.ui.internal.launch.rwt.tab.EntryPointTypeSelectionDialog.java

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/*******************************************************************************
 * Copyright (c) 2011 Rdiger Herrmann and others. All rights reserved.
 * 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:
 *     Rdiger Herrmann - initial API and implementation
 ******************************************************************************/
package org.eclipse.rap.ui.internal.launch.rwt.tab;

import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.core.search.IJavaSearchScope;
import org.eclipse.jdt.core.search.SearchEngine;
import org.eclipse.jdt.ui.IJavaElementSearchConstants;
import org.eclipse.jdt.ui.JavaUI;
import org.eclipse.jface.operation.IRunnableContext;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.SelectionDialog;

public class EntryPointTypeSelectionDialog {

    private final Shell parent;
    private IType selection;

    public EntryPointTypeSelectionDialog(Shell parent) {
        this.parent = parent;
    }

    public boolean open() {
        selection = null;
        SelectionDialog dialog = createDialog();
        boolean result = dialog.open() == Window.OK;
        if (result) {
            selection = (IType) dialog.getResult()[0];
        }
        return result;
    }

    public IType getSelection() {
        return selection;
    }

    private SelectionDialog createDialog() {
        IRunnableContext context = PlatformUI.getWorkbench().getProgressService();
        IJavaSearchScope scope = SearchEngine.createWorkspaceScope();
        int style = IJavaElementSearchConstants.CONSIDER_CLASSES;
        String filter = "";
        try {
            return JavaUI.createTypeDialog(parent, context, scope, style, false, filter, null);
        } catch (JavaModelException jme) {
            throw new RuntimeException("Failed to open JavaElement selection dialog.", jme);
        }
    }
}