/*
* 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 java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.drools.factconstraints.client.helper.ConstraintsContainer;
import org.drools.factconstraints.client.helper.CustomFormsContainer;
import org.drools.guvnor.client.common.AssetFormats;
import org.drools.guvnor.client.common.SmallLabel;
import org.drools.guvnor.client.packages.SuggestionCompletionCache;
import org.drools.guvnor.client.rpc.RuleAsset;
import org.drools.guvnor.client.rpc.WorkingSetConfigData;
import org.drools.ide.common.client.modeldriven.SuggestionCompletionEngine;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.logical.shared.BeforeSelectionEvent;
import com.google.gwt.event.logical.shared.BeforeSelectionHandler;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.Grid;
import com.google.gwt.user.client.ui.ListBox;
import com.google.gwt.user.client.ui.ScrollPanel;
import com.google.gwt.user.client.ui.TabPanel;
public class WorkingSetEditor extends Composite
implements
EditorWidget {
private RuleAsset workingSet;
private ListBox availFacts = new ListBox( true );
private ListBox validFacts = new ListBox( true );
private ConstraintsContainer cc;
private CustomFormsContainer cfc;
private FactsConstraintsEditorPanel factsConstraintsgEditorPanel;
private CustomFormsEditorPanel customFormsEditorPanel;
public WorkingSetEditor(RuleAsset asset) {
if ( !AssetFormats.WORKING_SET.equals( asset.metaData.format ) ) {
throw new IllegalArgumentException( "asset must a be a workingset not a: " + asset.metaData.format );
}
workingSet = asset;
WorkingSetConfigData wsData = (WorkingSetConfigData) workingSet.content;
cc = new ConstraintsContainer( wsData.constraints );
cfc = new CustomFormsContainer( wsData.customForms );
refreshWidgets();
setWidth( "100%" );
}
private void refreshWidgets() {
WorkingSetConfigData wsData = (WorkingSetConfigData) workingSet.content;
TabPanel tPanel = new TabPanel();
//tPanel.setWidth(800);
ScrollPanel pnl = new ScrollPanel();
// pnl.setAutoWidth(true);
//pnl.setClosable(false);
pnl.setTitle( "WS Definition" ); //TODO {bauna} i18n
// pnl.setAutoHeight(true);
pnl.add( buildDoubleList( wsData ) );
tPanel.add( pnl,
"WS Definition" );
pnl = new ScrollPanel();
// pnl.setAutoWidth(true);
//pnl.setClosable(false);
//pnl.setTitle("WS Constraints"); //TODO {bauna} i18n
// pnl.setAutoHeight(true);
this.factsConstraintsgEditorPanel = new FactsConstraintsEditorPanel( this );
pnl.add( this.factsConstraintsgEditorPanel );
tPanel.add( pnl,
"WS Constraints" );
pnl = new ScrollPanel();
// pnl.setAutoWidth(true);
//pnl.setClosable(false);
pnl.setTitle( "WS Custom Forms" ); //TODO {bauna} i18n
// pnl.setAutoHeight(true);
this.customFormsEditorPanel = new CustomFormsEditorPanel( this );
pnl.add( this.customFormsEditorPanel );
tPanel.add( pnl,
"WS Custom Forms" );
tPanel.addBeforeSelectionHandler( new BeforeSelectionHandler<java.lang.Integer>() {
public void onBeforeSelection(BeforeSelectionEvent<java.lang.Integer> arg0) {
factsConstraintsgEditorPanel.fillSelectedFacts();
customFormsEditorPanel.fillSelectedFacts();
}
} );
tPanel.selectTab( 0 );
initWidget( tPanel );
}
private Grid buildDoubleList(WorkingSetConfigData wsData) {
Grid grid = new Grid( 2,
3 );
SuggestionCompletionEngine sce = SuggestionCompletionCache.getInstance().getEngineFromCache( workingSet.metaData.packageName );
boolean filteringFact = sce.isFilteringFacts();
sce.setFilteringFacts( false );
try {
Set<String> elem = new HashSet<String>();
availFacts.setVisibleItemCount( 10 );
validFacts.setVisibleItemCount( 10 );
if ( wsData.validFacts != null ) {
elem.addAll( Arrays.asList( wsData.validFacts ) );
for ( String factName : wsData.validFacts ) {
validFacts.addItem( factName );
}
}
for ( String factName : sce.getFactTypes() ) {
if ( !elem.contains( factName ) ) {
availFacts.addItem( factName );
}
}
Grid btnsPanel = new Grid( 2,
1 );
btnsPanel.setWidget( 0,
0,
new Button( ">",
new ClickHandler() {
public void onClick(ClickEvent sender) {
copySelected( availFacts,
validFacts );
updateAsset( validFacts );
factsConstraintsgEditorPanel.fillSelectedFacts();
customFormsEditorPanel.fillSelectedFacts();
}
} ) );
btnsPanel.setWidget( 1,
0,
new Button( "<",
new ClickHandler() {
public void onClick(ClickEvent sender) {
copySelected( validFacts,
availFacts );
updateAsset( validFacts );
factsConstraintsgEditorPanel.fillSelectedFacts();
customFormsEditorPanel.fillSelectedFacts();
}
} ) );
grid.setWidget( 0,
0,
new SmallLabel( "Available Facts" ) ); //TODO i18n
grid.setWidget( 0,
1,
new SmallLabel( "" ) );
grid.setWidget( 0,
2,
new SmallLabel( "WorkingSet Facts" ) ); //TODO i18n
grid.setWidget( 1,
0,
availFacts );
grid.setWidget( 1,
1,
btnsPanel );
grid.setWidget( 1,
2,
validFacts );
grid.getColumnFormatter().setWidth( 0,
"45%" );
grid.getColumnFormatter().setWidth( 0,
"10%" );
grid.getColumnFormatter().setWidth( 0,
"45%" );
return grid;
} finally {
sce.setFilteringFacts( filteringFact );
}
}
/**
* This will get the save widgets.
*/
private void updateAsset(ListBox availFacts) {
List<String> l = new ArrayList<String>( availFacts.getItemCount() );
for ( int i = 0; i < availFacts.getItemCount(); i++ ) {
l.add( availFacts.getItemText( i ) );
}
((WorkingSetConfigData) workingSet.content).validFacts = l.toArray( new String[l.size()] );
}
private void copySelected(final ListBox from,
final ListBox to) {
int selected;
while ( (selected = from.getSelectedIndex()) != -1 ) {
to.addItem( from.getItemText( selected ) );
from.removeItem( selected );
factsConstraintsgEditorPanel.notifyValidFactsChanged();
customFormsEditorPanel.notifyValidFactsChanged();
}
}
public ConstraintsContainer getConstraintsConstrainer() {
return cc;
}
public CustomFormsContainer getCustomFormsContainer() {
return cfc;
}
protected RuleAsset getWorkingSet() {
return workingSet;
}
protected ListBox getValidFactsListBox() {
return this.validFacts;
}
}