/*
* 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.workbench.screens.testscenario.client;
import java.util.List;
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.event.dom.client.ClickHandler;
import com.google.gwt.event.dom.client.KeyUpEvent;
import com.google.gwt.event.dom.client.KeyUpHandler;
import com.google.gwt.event.logical.shared.ValueChangeEvent;
import com.google.gwt.event.logical.shared.ValueChangeHandler;
import com.google.gwt.user.client.Command;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.ListBox;
import com.google.gwt.user.client.ui.SimplePanel;
import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.Widget;
import org.drools.workbench.models.datamodel.oracle.DataType;
import org.drools.workbench.models.datamodel.oracle.DropDownData;
import org.drools.workbench.models.datamodel.rule.FieldNature;
import org.drools.workbench.models.datamodel.rule.FieldNatureType;
import org.drools.workbench.models.testscenarios.shared.CallFieldValue;
import org.drools.workbench.models.testscenarios.shared.ExecutionTrace;
import org.drools.workbench.models.testscenarios.shared.FactData;
import org.drools.workbench.models.testscenarios.shared.FieldData;
import org.drools.workbench.models.testscenarios.shared.Scenario;
import org.drools.workbench.screens.guided.rule.client.widget.EnumDropDown;
import org.drools.workbench.screens.testscenario.client.resources.i18n.TestScenarioConstants;
import org.drools.workbench.screens.testscenario.client.resources.images.TestScenarioAltedImages;
import org.kie.uberfire.client.common.DirtyableComposite;
import org.kie.uberfire.client.common.DropDownValueChanged;
import org.kie.uberfire.client.common.InfoPopup;
import org.kie.uberfire.client.common.SmallLabel;
import org.kie.uberfire.client.common.popups.FormStylePopup;
import org.kie.workbench.common.widgets.client.datamodel.AsyncPackageDataModelOracle;
import org.kie.workbench.common.widgets.client.resources.CommonAltedImages;
import org.kie.workbench.common.widgets.client.widget.TextBoxFactory;
/**
* This provides for editing of fields in the RHS of a rule.
*/
public class MethodParameterCallValueEditor extends DirtyableComposite {
private CallFieldValue methodParameter;
private DropDownData enums;
private SimplePanel root;
private Scenario model = null;
private String parameterType = null;
private Command onValueChangeCommand = null;
private AsyncPackageDataModelOracle oracle;
private ExecutionTrace ex;
public MethodParameterCallValueEditor( final CallFieldValue val,
final DropDownData enums,
final ExecutionTrace ex,
final Scenario model,
final String parameterType,
final Command onValueChangeCommand,
final AsyncPackageDataModelOracle oracle ) {
if ( val.type.equals( DataType.TYPE_BOOLEAN ) ) {
this.enums = DropDownData.create( new String[]{ "true", "false" } );
} else {
this.enums = enums;
}
this.root = new SimplePanel();
this.ex = ex;
this.methodParameter = val;
this.model = model;
this.parameterType = parameterType;
this.onValueChangeCommand = onValueChangeCommand;
this.oracle = oracle;
refresh();
initWidget( root );
}
private void refresh() {
root.clear();
if ( enums != null && ( enums.getFixedList() != null || enums.getQueryExpression() != null ) ) {
root.add( new EnumDropDown( methodParameter.value,
new DropDownValueChanged() {
public void valueChanged( String newText,
String newValue ) {
methodParameter.value = newValue;
if ( onValueChangeCommand != null ) {
onValueChangeCommand.execute();
}
makeDirty();
}
},
enums,
oracle.getResourcePath() ) );
} else {
if ( methodParameter.nature == FieldNatureType.TYPE_UNDEFINED ) {
// we have a blank slate..
// have to give them a choice
root.add( choice() );
} else {
if ( methodParameter.nature == FieldNatureType.TYPE_VARIABLE ) {
ListBox list = boundVariable( methodParameter );
root.add( list );
} else {
TextBox box = boundTextBox( this.methodParameter );
root.add( box );
}
}
}
}
private ListBox boundVariable( final FieldNature c ) {
/*
* If there is a bound variable that is the same type of the current
* variable type, then propose a list
*/
final ListBox listVariable = new ListBox();
List<String> vars = model.getFactNamesInScope( ex,
true );
for ( String v : vars ) {
FactData factData = (FactData) model.getFactTypes().get( v );
if ( factData.getType().equals( this.methodParameter.type ) ) {
// First selection is empty
if ( listVariable.getItemCount() == 0 ) {
listVariable.addItem( "..." );
}
listVariable.addItem( "=" + v );
}
}
if ( methodParameter.value.equals( "=" ) ) {
listVariable.setSelectedIndex( 0 );
} else {
for ( int i = 0; i < listVariable.getItemCount(); i++ ) {
if ( listVariable.getItemText( i ).equals( methodParameter.value ) ) {
listVariable.setSelectedIndex( i );
}
}
}
if ( listVariable.getItemCount() > 0 ) {
listVariable.addChangeHandler( new ChangeHandler() {
public void onChange( ChangeEvent event ) {
methodParameter.value = listVariable.getValue( listVariable.getSelectedIndex() );
if ( onValueChangeCommand != null ) {
onValueChangeCommand.execute();
}
makeDirty();
refresh();
}
} );
}
return listVariable;
}
private TextBox boundTextBox( final CallFieldValue c ) {
final TextBox box = TextBoxFactory.getTextBox( methodParameter.type );
box.setStyleName( "constraint-value-Editor" );
if ( c.value == null ) {
box.setText( "" );
} else {
if ( c.value.trim().equals( "" ) ) {
c.value = "";
}
box.setText( c.value );
}
if ( c.value == null || c.value.length() < 5 ) {
box.setVisibleLength( 6 );
} else {
box.setVisibleLength( c.value.length() - 1 );
}
box.addValueChangeHandler( new ValueChangeHandler<String>() {
public void onValueChange( final ValueChangeEvent<String> event ) {
c.value = event.getValue();
if ( onValueChangeCommand != null ) {
onValueChangeCommand.execute();
}
makeDirty();
}
} );
box.addKeyUpHandler( new KeyUpHandler() {
public void onKeyUp( KeyUpEvent event ) {
box.setVisibleLength( box.getText().length() );
}
} );
return box;
}
private Widget choice() {
Image clickme = CommonAltedImages.INSTANCE.Edit();
clickme.addClickHandler( new ClickHandler() {
public void onClick( ClickEvent event ) {
showTypeChoice( (Widget) event.getSource() );
}
} );
return clickme;
}
protected void showTypeChoice( final Widget w ) {
final FormStylePopup form = new FormStylePopup( TestScenarioAltedImages.INSTANCE.Wizard(),
TestScenarioConstants.INSTANCE.FieldValue() );
Button lit = new Button( TestScenarioConstants.INSTANCE.LiteralValue() );
lit.addClickHandler( new ClickHandler() {
public void onClick( ClickEvent event ) {
methodParameter.nature = FieldData.TYPE_LITERAL;
methodParameter.value = " ";
makeDirty();
refresh();
form.hide();
}
} );
form.addAttribute( TestScenarioConstants.INSTANCE.LiteralValue() + ":",
widgets( lit,
new InfoPopup( TestScenarioConstants.INSTANCE.Literal(),
TestScenarioConstants.INSTANCE.LiteralValTip() ) ) );
form.addRow( new HTML( "<hr/>" ) );
form.addRow( new SmallLabel( TestScenarioConstants.INSTANCE.AdvancedSection() ) );
/*
* If there is a bound variable that is the same type of the current
* variable type, then show a button
*/
List<String> vars = model.getFactNamesInScope( ex,
true );
for ( String v : vars ) {
boolean createButton = false;
Button variable = new Button( TestScenarioConstants.INSTANCE.BoundVariable() );
FactData factData = (FactData) model.getFactTypes().get( v );
if ( factData.getType().equals( this.parameterType ) ) {
createButton = true;
}
if ( createButton == true ) {
form.addAttribute( TestScenarioConstants.INSTANCE.BoundVariable() + ":",
variable );
variable.addClickHandler( new ClickHandler() {
public void onClick( ClickEvent event ) {
methodParameter.nature = FieldData.TYPE_VARIABLE;
methodParameter.value = "=";
makeDirty();
refresh();
form.hide();
}
} );
break;
}
}
form.show();
}
private Widget widgets( final Button lit,
final InfoPopup popup ) {
HorizontalPanel h = new HorizontalPanel();
h.add( lit );
h.add( popup );
return h;
}
}