org.eclipse.e4.xwt.javabean.metadata.properties.ColumnViewerColumnsProperty.java Source code

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Here is the source code for org.eclipse.e4.xwt.javabean.metadata.properties.ColumnViewerColumnsProperty.java

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/*******************************************************************************
 * Copyright (c) 2006, 2010 Soyatec (http://www.soyatec.com) and others.       *
 * 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:                                                               *        
 *     Soyatec - initial API and implementation                                *
 *******************************************************************************/
package org.eclipse.e4.xwt.javabean.metadata.properties;

import java.lang.reflect.InvocationTargetException;

import org.eclipse.e4.xwt.core.IUserDataConstants;
import org.eclipse.e4.xwt.internal.utils.UserData;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TableViewerColumn;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;

/**
 * 
 * @author yyang (yves.yang@soyatec.com)
 */
public class ColumnViewerColumnsProperty extends AbstractProperty {

    public ColumnViewerColumnsProperty() {
        super(PropertiesConstants.PROPERTY_COLUMNS, TableViewerColumn.class);
    }

    public Object getValue(Object target) throws IllegalArgumentException, IllegalAccessException,
            InvocationTargetException, SecurityException, NoSuchFieldException {
        return null;
    }

    public void setValue(Object target, Object value) throws IllegalArgumentException, IllegalAccessException,
            InvocationTargetException, SecurityException, NoSuchFieldException {
        TableViewer tableViewer = (TableViewer) target;
        Table table = (Table) tableViewer.getControl();
        int count = table.getColumnCount();
        if (count != 0) {
            String[] columnProperties = new String[count];
            for (int i = 0; i < columnProperties.length; i++) {
                TableColumn column = table.getColumn(i);
                columnProperties[i] = (String) UserData.getLocalData(column,
                        IUserDataConstants.XWT_PROPERTY_DATA_KEY);
                if (columnProperties[i] != null) {
                    UserData.setLocalData(column, IUserDataConstants.XWT_PROPERTY_DATA_KEY, null);
                }
            }
            tableViewer.setColumnProperties(columnProperties);
        }
    }
}