/*
* 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.eclipse.rulebuilder.ui;
import java.util.Iterator;
import java.util.List;
import org.drools.ide.common.client.modeldriven.brl.RuleAttribute;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
public class RuleAttributesDialog extends RuleDialog {
private RuleModeller modeller;
public RuleAttributesDialog(Shell parent,
RuleModeller modeller) {
super( parent,
"Add new option to the rule",
"Pick the value from combo." );
this.modeller = modeller;
}
protected Control createDialogArea(final Composite parent) {
Composite composite = (Composite) super.createDialogArea( parent );
GridLayout l = new GridLayout();
l.numColumns = 3;
l.marginBottom = 0;
l.marginHeight = 0;
l.marginLeft = 0;
l.marginRight = 0;
l.marginTop = 0;
l.marginWidth = 0;
composite.setLayout( l );
GridData gd = new GridData( GridData.FILL_HORIZONTAL );
gd.horizontalSpan = 2;
createAtributesSelectionCombo( composite,
gd );
return composite;
}
private void createAtributesSelectionCombo(Composite composite,
GridData gd) {
createLabel( composite,
"Attributes" );
final Combo combo = new Combo( composite,
SWT.READ_ONLY );
combo.setLayoutData( gd );
List attributes = RuleAttributeWidget.getAttributeList();
for ( Iterator iterator = attributes.iterator(); iterator.hasNext(); ) {
String attr = (String) iterator.next();
combo.add( attr );
}
combo.select( 0 );
combo.addListener( SWT.Selection,
new Listener() {
public void handleEvent(Event event) {
if ( combo.getSelectionIndex() == 0 ) {
return;
}
modeller.getModel().addAttribute( new RuleAttribute( combo.getText(),
"" ) );
modeller.setDirty( true );
modeller.reloadOptions();
close();
}
} );
}
}