eu.celar.ui.wizards.wizardselection.WizardSelectionListComposite.java Source code

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Here is the source code for eu.celar.ui.wizards.wizardselection.WizardSelectionListComposite.java

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/*****************************************************************************
 * Copyright (c) 2006, 2007 g-Eclipse Consortium 
 * 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
 *
 * Initial development of the original code was made for the
 * g-Eclipse project founded by European Union
 * project number: FP6-IST-034327  http://www.geclipse.eu/
 *
 * Contributors:
 *    Thomas Koeckerbauer GUP, JKU - initial API and implementation
 *****************************************************************************/

package eu.celar.ui.wizards.wizardselection;

import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Table;

class WizardSelectionListComposite extends Composite {

    private Table table = null;
    private TableViewer tableViewer;
    private IWizardSelectionNode[] input;

    WizardSelectionListComposite(final Composite parent, final int style) {
        super(parent, style);
        initialize();
        this.tableViewer = new TableViewer(this.table);
        this.tableViewer.setLabelProvider(new LabelProvider() {
            @Override
            public String getText(final Object element) {
                String result;
                if (element instanceof IWizardSelectionNode) {
                    result = ((IWizardSelectionNode) element).getName();
                } else {
                    result = element.toString();
                }
                return result;
            }

            @Override
            public Image getImage(final Object element) {
                Image result = null;
                if (element instanceof IWizardSelectionNode) {
                    result = ((IWizardSelectionNode) element).getIcon();
                }
                return result;
            }
        });
    }

    void addSelectionListener(final SelectionListener listener) {
        this.table.addSelectionListener(listener);
    }

    void addSelectionChangedListener(final ISelectionChangedListener listener) {
        this.tableViewer.addSelectionChangedListener(listener);
    }

    private void initialize() {
        GridData tableGridData = new GridData();
        tableGridData.horizontalAlignment = GridData.FILL;
        tableGridData.grabExcessHorizontalSpace = true;
        tableGridData.grabExcessVerticalSpace = true;
        tableGridData.verticalAlignment = GridData.FILL;
        this.table = new Table(this, SWT.BORDER);
        this.table.setLayoutData(tableGridData);
        setSize(new Point(300, 200));
        setLayout(new GridLayout());
    }

    void fillWizardList(final IWizardSelectionNode[] wizardSelectionNodes) {
        this.input = wizardSelectionNodes;
        this.tableViewer.add(wizardSelectionNodes);
    }

    void refreshList(final IWizardSelectionNode[] newContent) {
        this.table.removeAll();
        fillWizardList(newContent);
    }
}