org.salever.swtjface.demo.cv.ComboViewerDlg.java Source code

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Here is the source code for org.salever.swtjface.demo.cv.ComboViewerDlg.java

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/** Copyright (c) 2010 salever@126.com. 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:
 *     salever@126.com - initial API and implementation
 *
 * Create on  ?05:04:39 2011-10-18 ye2011
 *******************************************************************************/
package org.salever.swtjface.demo.cv;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.jface.viewers.ComboViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.layout.GridData;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.swt.graphics.Image;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.Viewer;

/**
 * @author LiXP
 *
 */
public class ComboViewerDlg extends Dialog {
    private static class ContentProvider implements IStructuredContentProvider {
        public Object[] getElements(Object inputElement) {
            return new Object[0];
        }

        public void dispose() {
        }

        public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
        }
    }

    private static class ViewerLabelProvider extends LabelProvider {
        public Image getImage(Object element) {

            return super.getImage(element);
        }

        public String getText(Object element) {
            return super.getText(element);
        }
    }

    /**
     * Create the dialog.
     * @param parentShell
     */
    public ComboViewerDlg(Shell parentShell) {
        super(parentShell);
    }

    /**
     * Create contents of the dialog.
     * @param parent
     */
    @Override
    protected Control createDialogArea(Composite parent) {
        Composite container = (Composite) super.createDialogArea(parent);

        ComboViewer comboViewer = new ComboViewer(container, SWT.NONE);
        Combo combo = comboViewer.getCombo();
        combo.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
        comboViewer.setContentProvider(new ContentProvider());
        comboViewer.setLabelProvider(new ViewerLabelProvider());

        return container;
    }

    /**
     * Create contents of the button bar.
     * @param parent
     */
    @Override
    protected void createButtonsForButtonBar(Composite parent) {
        createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true);
        createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false);
    }

    /**
     * Return the initial size of the dialog.
     */
    @Override
    protected Point getInitialSize() {
        return new Point(450, 300);
    }

}