/*
* Copyright 2014 Red Hat, Inc. and/or its affiliates.
*
* 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.guided.dtree.client.widget.popups;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.google.gwt.core.client.GWT;
import com.google.gwt.dom.client.Style;
import com.google.gwt.event.dom.client.ChangeEvent;
import com.google.gwt.event.dom.client.ChangeHandler;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.SimplePanel;
import com.google.gwt.user.client.ui.Widget;
import org.drools.workbench.models.datamodel.oracle.DataType;
import org.drools.workbench.models.datamodel.oracle.ModelField;
import org.drools.workbench.models.guided.dtree.shared.model.nodes.ActionFieldValue;
import org.drools.workbench.screens.guided.dtree.client.resources.i18n.GuidedDecisionTreeConstants;
import org.drools.workbench.screens.guided.dtree.client.widget.utils.ValueUtilities;
import org.gwtbootstrap3.client.ui.Button;
import org.gwtbootstrap3.client.ui.FormGroup;
import org.gwtbootstrap3.client.ui.ListBox;
import org.kie.workbench.common.widgets.client.datamodel.AsyncPackageDataModelOracle;
import org.uberfire.client.callbacks.Callback;
import org.uberfire.mvp.ParameterizedCommand;
public class ActionFieldValueEditor extends Composite {
interface ActionFieldValueEditorBinder
extends
UiBinder<Widget, ActionFieldValueEditor> {
}
private static ActionFieldValueEditorBinder uiBinder = GWT.create( ActionFieldValueEditorBinder.class );
private final String className;
private final ActionFieldValue afv;
private final List<ActionFieldValue> afvs;
private final AsyncPackageDataModelOracle oracle;
private final ParameterizedCommand<ActionFieldValue> onDeleteCallback;
private final ValueEditorFactory valueEditorFactory = new ValueEditorFactory() {
@Override
protected Map<String, String> getCurrentValueMap() {
if ( afvs == null ) {
return Collections.EMPTY_MAP;
}
final Map<String, String> currentValueMap = new HashMap<String, String>();
for ( ActionFieldValue afv : afvs ) {
currentValueMap.put( afv.getFieldName(),
ValueUtilities.convertNodeValue( afv.getValue() ) );
}
return currentValueMap;
}
};
@UiField
ListBox fieldListBox;
@UiField
FormGroup valueHolder;
@UiField
Button removeFieldValueButton;
public ActionFieldValueEditor( final String className,
final ActionFieldValue afv,
final List<ActionFieldValue> afvs,
final AsyncPackageDataModelOracle oracle,
final ParameterizedCommand<ActionFieldValue> onDeleteCallback ) {
initWidget( uiBinder.createAndBindUi( this ) );
this.className = className;
this.afv = afv;
this.afvs = afvs;
this.oracle = oracle;
this.onDeleteCallback = onDeleteCallback;
initializeFieldNames( afv );
}
private void initializeFieldNames( final ActionFieldValue afv ) {
fieldListBox.clear();
fieldListBox.setEnabled( false );
oracle.getFieldCompletions( className,
new Callback<ModelField[]>() {
@Override
public void callback( final ModelField[] modelFields ) {
fieldListBox.setEnabled( modelFields.length > 0 );
if ( modelFields.length == 0 ) {
fieldListBox.addItem( GuidedDecisionTreeConstants.INSTANCE.noFields() );
return;
}
//Add them to the ListBox
int selectedIndex = -1;
for ( ModelField modelField : modelFields ) {
final String fieldName = modelField.getName();
if ( !fieldName.equals( DataType.TYPE_THIS ) ) {
fieldListBox.addItem( fieldName );
if ( afv.getFieldName().equals( fieldName ) ) {
selectedIndex = fieldListBox.getItemCount() - 1;
}
}
}
fieldListBox.addChangeHandler( new ChangeHandler() {
@Override
public void onChange( final ChangeEvent event ) {
final String fieldName = fieldListBox.getItemText( fieldListBox.getSelectedIndex() );
afv.setFieldName( fieldName );
afv.setValue( null );
initialiseValue();
}
} );
fieldListBox.setSelectedIndex( selectedIndex );
if ( selectedIndex == -1 ) {
fieldListBox.setSelectedIndex( 0 );
final String fieldName = fieldListBox.getItemText( 0 );
afv.setFieldName( fieldName );
}
initialiseValue();
}
} );
}
private void initialiseValue() {
final Widget editor = valueEditorFactory.getValueEditor( className,
afv.getFieldName(),
afv,
oracle,
false );
valueHolder.clear();
if ( editor != null ) {
valueHolder.add( editor );
}
}
@UiHandler("removeFieldValueButton")
void onRemoveFieldValueButtonClick( final ClickEvent event ) {
onDeleteCallback.execute( afv );
}
}