/*
 * Copyright 2010 JBoss Inc
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.drools.guvnor.client.ruleeditor;

import org.drools.guvnor.client.packages.AssetAttachmentFileWidget;
import org.drools.guvnor.client.rpc.RuleAsset;
import org.drools.guvnor.client.rpc.RuleContentText;

import com.google.gwt.event.dom.client.ChangeEvent;
import com.google.gwt.event.dom.client.ChangeHandler;
import com.google.gwt.resources.client.ImageResource;
import com.google.gwt.user.client.ui.TextArea;

public class XmlFileWidget extends AssetAttachmentFileWidget
    implements
    SaveEventListener {

    private TextArea              text;
    final private RuleContentText data;

    public XmlFileWidget(final RuleAsset asset,
                         final RuleViewer viewer) {
        super( asset,
               viewer );
        data = (RuleContentText) asset.content;

        if ( data.content == null ) {
            data.content = "";
        }

        text = new TextArea();
        text.setWidth( "100%" );
        text.setVisibleLines( 16 );
        text.setText( data.content );

        text.setStyleName( "default-text-Area" );

        text.addChangeHandler( new ChangeHandler() {
            public void onChange(ChangeEvent event) {
                data.content = text.getText();
            }
        } );

        layout.addRow( text );
    }

    public ImageResource getIcon() {
        return null;
    }

    public String getOverallStyleName() {
        return null;
    }

    public void onSave() {
        data.content = text.getText();
        asset.content = data;
    }

    public void onAfterSave() {

    }
}
