/*
* Copyright 2011 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.kie.workbench.common.widgets.client.workitems;
import java.util.Set;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ChangeEvent;
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.HorizontalPanel;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.ListBox;
import com.google.gwt.user.client.ui.Widget;
import org.drools.workbench.models.datamodel.workitems.PortableFloatParameterDefinition;
import org.kie.workbench.common.widgets.client.resources.i18n.CommonConstants;
import org.uberfire.ext.widgets.common.client.common.NumericFloatTextBox;
/**
* A Widget to display a Work Item Float parameter
*/
public class WorkItemFloatParameterWidget extends WorkItemParameterWidget {
interface WorkItemFloatParameterWidgetBinder
extends
UiBinder<HorizontalPanel, WorkItemFloatParameterWidget> {
}
@UiField
Label parameterName;
@UiField
NumericFloatTextBox parameterEditor;
@UiField
ListBox lstAvailableBindings;
private static WorkItemFloatParameterWidgetBinder uiBinder = GWT.create( WorkItemFloatParameterWidgetBinder.class );
public WorkItemFloatParameterWidget( PortableFloatParameterDefinition ppd,
IBindingProvider bindingProvider,
boolean isReadOnly ) {
super( ppd,
bindingProvider );
this.parameterName.setText( ppd.getName() );
this.parameterEditor.setEnabled( !isReadOnly );
//Setup widget to select a literal value
if ( ppd.getValue() != null ) {
this.parameterEditor.setText( Float.toString( ppd.getValue() ) );
}
//Setup widget to use bindings
Set<String> bindings = bindingProvider.getBindings( ppd.getClassName() );
if ( bindings.size() > 0 ) {
lstAvailableBindings.clear();
lstAvailableBindings.addItem( CommonConstants.INSTANCE.Choose() );
lstAvailableBindings.setEnabled( true && !isReadOnly );
lstAvailableBindings.setVisible( true );
int selectedIndex = 0;
for ( String binding : bindings ) {
lstAvailableBindings.addItem( binding );
if ( binding.equals( ppd.getBinding() ) ) {
selectedIndex = lstAvailableBindings.getItemCount() - 1;
}
}
lstAvailableBindings.setSelectedIndex( selectedIndex );
parameterEditor.setEnabled( selectedIndex == 0 && !isReadOnly );
}
}
@Override
protected Widget getWidget() {
return uiBinder.createAndBindUi( this );
}
@UiHandler("parameterEditor")
void parameterEditorOnChange( ChangeEvent event ) {
try {
( (PortableFloatParameterDefinition) ppd ).setValue( Float.parseFloat( parameterEditor.getText() ) );
} catch ( NumberFormatException nfe ) {
( (PortableFloatParameterDefinition) ppd ).setValue( null );
}
}
@UiHandler("lstAvailableBindings")
void lstAvailableBindingsOnChange( ChangeEvent event ) {
int index = lstAvailableBindings.getSelectedIndex();
parameterEditor.setEnabled( index == 0 );
if ( index > 0 ) {
( (PortableFloatParameterDefinition) ppd ).setValue( null );
( (PortableFloatParameterDefinition) ppd ).setBinding( lstAvailableBindings.getItemText( index ) );
} else {
( (PortableFloatParameterDefinition) ppd ).setBinding( "" );
}
}
}