/*
* Copyright 2014 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.workbench.screens.drltext.client.widget;
import java.util.List;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.logical.shared.SelectionEvent;
import com.google.gwt.event.logical.shared.SelectionHandler;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Tree;
import com.google.gwt.user.client.ui.TreeItem;
import com.google.gwt.user.client.ui.VerticalPanel;
import org.drools.workbench.models.datamodel.rule.DSLSentence;
import org.drools.workbench.screens.drltext.client.editor.DRLEditorPresenter;
import org.drools.workbench.screens.drltext.client.resources.DRLTextEditorResources;
import org.drools.workbench.screens.drltext.client.resources.i18n.DRLTextEditorConstants;
import org.kie.uberfire.client.common.ClickableLabel;
import org.kie.uberfire.client.common.SmallLabel;
import org.uberfire.client.mvp.UberView;
public class DSLSentenceBrowserWidget
extends Composite implements UberView<DRLEditorPresenter> {
private DRLEditorPresenter presenter;
private final Tree tree = new Tree();
public DSLSentenceBrowserWidget( final ClickEvent ev,
final String showDSLCaption,
final String dslCaption ) {
final VerticalPanel container = new VerticalPanel();
final HorizontalPanel hpDSLSentencesAndHide = new HorizontalPanel();
final HorizontalPanel hpShow = new HorizontalPanel();
hpShow.add( new ClickableLabel( showDSLCaption,
new ClickHandler() {
public void onClick( com.google.gwt.event.dom.client.ClickEvent event ) {
hpShow.setVisible( false );
hpDSLSentencesAndHide.setVisible( true );
tree.setVisible( true );
}
} ) );
container.add( hpShow );
hpDSLSentencesAndHide.add( new SmallLabel( dslCaption ) );
hpDSLSentencesAndHide.add( new ClickableLabel( DRLTextEditorConstants.INSTANCE.hide(),
new ClickHandler() {
public void onClick( com.google.gwt.event.dom.client.ClickEvent event ) {
hpShow.setVisible( true );
hpDSLSentencesAndHide.setVisible( false );
tree.setVisible( false );
}
} ) );
container.add( hpDSLSentencesAndHide );
container.add( tree );
tree.setStyleName( DRLTextEditorResources.INSTANCE.CSS().categoryExplorerTree() );
tree.addSelectionHandler( new SelectionHandler<TreeItem>() {
public void onSelection( SelectionEvent<TreeItem> event ) {
Object o = event.getSelectedItem().getUserObject();
ev.selected( o.toString() );
}
} );
tree.setVisible( true );
hpDSLSentencesAndHide.setVisible( true );
hpShow.setVisible( false );
initWidget( container );
}
@Override
public void init( final DRLEditorPresenter presenter ) {
this.presenter = presenter;
}
public void setDSLSentences( final List<DSLSentence> dslSentences ) {
if ( tree.getItem( 0 ) != null ) {
tree.clear();
}
if ( dslSentences != null ) {
for ( DSLSentence dslSentence : dslSentences ) {
final TreeItem it = new TreeItem();
it.setHTML( "<small>" + dslSentence.toString() + "</small>" );
it.setUserObject( dslSentence );
tree.addItem( it );
}
}
}
}