org.onecmdb.ui.gwt.toolkit.client.control.select.SelectMultipleDataSourceControl.java Source code

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Here is the source code for org.onecmdb.ui.gwt.toolkit.client.control.select.SelectMultipleDataSourceControl.java

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/*
 * OneCMDB, an open source configuration management project.
 * Copyright 2007, Lokomo Systems AB, and individual contributors
 * as indicated by the @authors tag. See the copyright.txt in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.onecmdb.ui.gwt.toolkit.client.control.select;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;

import org.onecmdb.ui.gwt.toolkit.client.control.OneCMDBUtils;
import org.onecmdb.ui.gwt.toolkit.client.control.input.AttributeValue;
import org.onecmdb.ui.gwt.toolkit.client.control.input.MultipleAttributeValue;
import org.onecmdb.ui.gwt.toolkit.client.model.onecmdb.GWT_CiBean;

import com.google.gwt.user.client.ui.CheckBox;
import com.google.gwt.user.client.ui.ClickListener;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.Widget;

public class SelectMultipleDataSourceControl extends SelectInheritanceDataSourceControl {

    private MultipleAttributeValue mValue;
    private HashMap valueMap = new HashMap();

    public SelectMultipleDataSourceControl(MultipleAttributeValue mValue) {
        super(mValue.getType());
        this.mValue = mValue;
        for (Iterator iter = this.mValue.getAttributeValues().iterator(); iter.hasNext();) {
            AttributeValue aValue = (AttributeValue) iter.next();
            valueMap.put(aValue.getStringValue(), aValue);
        }
    }

    protected boolean isMultiSelect() {
        return true;
    }

    public Widget getWidget(Object data) {
        if (!(data instanceof GWT_CiBean)) {
            return (new Label("getChildCount(Object data): Not a correct data object!"));
        }
        final GWT_CiBean bean = (GWT_CiBean) data;
        HorizontalPanel hpanel = new HorizontalPanel();

        if (selectInstances() && (!bean.isTemplate())) {
            final CheckBox cb = new CheckBox();
            cb.setChecked(isChecked(bean));
            hpanel.add(cb);
            cb.addClickListener(new ClickListener() {

                public void onClick(Widget sender) {
                    addChecked(bean, cb.isChecked());
                }

            });
        }
        hpanel.add(new Image(OneCMDBUtils.getIconForCI(bean)));
        Label label = new Label(bean.getDisplayName());
        hpanel.add(label);

        return (hpanel);
    }

    protected boolean selectInstances() {
        return (true);
    }

    private boolean isChecked(GWT_CiBean bean) {
        return (valueMap.containsKey(bean.getAlias()));
    }

    private void addChecked(GWT_CiBean bean, boolean selected) {
        if (selected) {
            if (!valueMap.containsKey(bean.getAlias())) {
                AttributeValue aValue = mValue.newAttributeValue(bean.getAlias());
                aValue.setValueAsCI(bean);
                valueMap.put(bean.getAlias(), aValue);
            }
        } else {
            valueMap.remove(bean.getAlias());
        }

    }

    public List getSelection() {
        List values = new ArrayList();
        values.addAll(valueMap.values());
        return (values);
    }

}