/*
* Copyright 2011 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.modeldriven.ui;
import java.util.Iterator;
import java.util.List;
import org.drools.guvnor.client.common.InfoPopup;
import org.drools.guvnor.client.configurations.Capability;
import org.drools.guvnor.client.configurations.UserCapabilities;
import org.drools.ide.common.client.modeldriven.brl.ActionCallMethod;
import org.drools.ide.common.client.modeldriven.brl.ActionGlobalCollectionAdd;
import org.drools.ide.common.client.modeldriven.brl.ActionInsertFact;
import org.drools.ide.common.client.modeldriven.brl.ActionInsertLogicalFact;
import org.drools.ide.common.client.modeldriven.brl.ActionRetractFact;
import org.drools.ide.common.client.modeldriven.brl.ActionSetField;
import org.drools.ide.common.client.modeldriven.brl.ActionUpdateField;
import org.drools.ide.common.client.modeldriven.brl.DSLSentence;
import org.drools.ide.common.client.modeldriven.brl.FreeFormLine;
import org.drools.ide.common.client.modeldriven.brl.RuleModel;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.dom.client.KeyCodes;
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.CheckBox;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.ListBox;
import com.google.gwt.user.client.ui.Widget;
/**
* Pop-up for adding Actions to the (RuleModeller) guided editor
*/
public class RuleModellerActionSelectorPopup extends AbstractRuleModellerSelectorPopup {
public RuleModellerActionSelectorPopup(RuleModel model,
RuleModeller ruleModeller,
String packageName,
Integer position) {
super( model,
ruleModeller,
packageName,
position );
}
@Override
protected String getPopupTitle() {
return constants.AddANewAction();
}
@Override
public Widget getContent() {
if ( position == null ) {
positionCbo.addItem( constants.Bottom(),
String.valueOf( this.model.rhs.length ) );
positionCbo.addItem( constants.Top(),
"0" );
for ( int i = 1; i < model.rhs.length; i++ ) {
positionCbo.addItem( constants.Line0( i ),
String.valueOf( i ) );
}
} else {
//if position is fixed, we just add one element to the drop down.
positionCbo.addItem( String.valueOf( position ) );
positionCbo.setSelectedIndex( 0 );
}
if ( completions.getDSLConditions().length == 0 && completions.getFactTypes().length == 0 ) {
layoutPanel.addRow( new HTML( "<div class='highlight'>" + constants.NoModelTip() + "</div>" ) );
}
//only show the drop down if we are not using fixed position.
if ( position == null ) {
HorizontalPanel hp0 = new HorizontalPanel();
hp0.add( new HTML( constants.PositionColon() ) );
hp0.add( positionCbo );
hp0.add( new InfoPopup( constants.PositionColon(),
constants.ActionPositionExplanation() ) );
layoutPanel.addRow( hp0 );
}
choices = makeChoicesListBox();
choicesPanel.add( choices );
layoutPanel.addRow( choicesPanel );
HorizontalPanel hp = new HorizontalPanel();
Button ok = new Button( constants.OK() );
hp.add( ok );
ok.addClickHandler( new ClickHandler() {
public void onClick(ClickEvent event) {
selectSomething();
}
} );
Button cancel = new Button( constants.Cancel() );
hp.add( cancel );
cancel.addClickHandler( new ClickHandler() {
public void onClick(ClickEvent event) {
hide();
}
} );
CheckBox chkOnlyDisplayDSLConditions = new CheckBox();
chkOnlyDisplayDSLConditions.setText( constants.OnlyDisplayDSLActions() );
chkOnlyDisplayDSLConditions.setValue( bOnlyShowDSLConditions );
chkOnlyDisplayDSLConditions.addValueChangeHandler( new ValueChangeHandler<Boolean>() {
public void onValueChange(ValueChangeEvent<Boolean> event) {
bOnlyShowDSLConditions = event.getValue();
choicesPanel.setWidget( makeChoicesListBox() );
}
} );
layoutPanel.addRow( chkOnlyDisplayDSLConditions );
layoutPanel.addRow( hp );
this.setAfterShow( new Command() {
public void execute() {
choices.setFocus( true );
}
} );
return layoutPanel;
}
private ListBox makeChoicesListBox() {
choices = new ListBox( true );
choices.setPixelSize( getChoicesWidth(),
getChoicesHeight() );
choices.addKeyUpHandler( new KeyUpHandler() {
public void onKeyUp(com.google.gwt.event.dom.client.KeyUpEvent event) {
if ( event.getNativeKeyCode() == KeyCodes.KEY_ENTER ) {
selectSomething();
}
}
} );
addDSLSentences();
if ( !bOnlyShowDSLConditions ) {
addUpdateNotModify();
addGlobals();
addRetractions();
addModifies();
addInsertions();
addLogicalInsertions();
addGlobalCollections();
addFreeFormDRL();
}
return choices;
}
// Add DSL sentences
private void addDSLSentences() {
if ( completions.getDSLActions().length > 0 ) {
for ( int i = 0; i < completions.getDSLActions().length; i++ ) {
final DSLSentence sen = completions.getDSLActions()[i];
if ( sen != null ) {
String sentence = sen.toString();
choices.addItem( sentence,
"DSL" + sentence );
cmds.put( "DSL" + sentence,
new Command() {
public void execute() {
addNewDSLRhs( sen,
Integer.parseInt( positionCbo.getValue( positionCbo.getSelectedIndex() ) ) );
hide();
}
} );
}
}
}
}
//Add update, not modify
private void addUpdateNotModify() {
List<String> vars = model.getLHSBoundFacts();
if ( vars.size() == 0 ) {
return;
}
choices.addItem( SECTION_SEPARATOR );
for ( Iterator<String> iter = vars.iterator(); iter.hasNext(); ) {
final String v = iter.next();
choices.addItem( constants.ChangeFieldValuesOf0( v ),
"VAR" + v );
cmds.put( "VAR" + v,
new Command() {
public void execute() {
addActionSetField( v,
Integer.parseInt( positionCbo.getValue( positionCbo.getSelectedIndex() ) ) );
hide();
}
} );
}
}
//Add Globals
private void addGlobals() {
String[] globals = completions.getGlobalVariables();
if ( globals.length == 0 ) {
return;
}
choices.addItem( SECTION_SEPARATOR );
for ( int i = 0; i < globals.length; i++ ) {
final String v = globals[i];
choices.addItem( constants.ChangeFieldValuesOf0( v ),
"GLOBVAR" + v );
cmds.put( "GLOBVAR" + v,
new Command() {
public void execute() {
addActionSetField( v,
Integer.parseInt( positionCbo.getValue( positionCbo.getSelectedIndex() ) ) );
hide();
}
} );
}
}
//Add Retractions
private void addRetractions() {
List<String> vars = model.getLHSBoundFacts();
if ( vars.size() == 0 ) {
return;
}
choices.addItem( SECTION_SEPARATOR );
for ( Iterator<String> iter = vars.iterator(); iter.hasNext(); ) {
final String v = iter.next();
choices.addItem( constants.Retract0( v ),
"RET" + v );
cmds.put( "RET" + v,
new Command() {
public void execute() {
addRetract( v,
Integer.parseInt( positionCbo.getValue( positionCbo.getSelectedIndex() ) ) );
hide();
}
} );
}
}
//Add Modifies
private void addModifies() {
List<String> vars = model.getLHSBoundFacts();
if ( vars.size() == 0 ) {
return;
}
choices.addItem( SECTION_SEPARATOR );
for ( Iterator<String> iter = vars.iterator(); iter.hasNext(); ) {
final String v = iter.next();
choices.addItem( constants.Modify0( v ),
"MOD" + v );
cmds.put( "MOD" + v,
new Command() {
public void execute() {
addModify( v,
Integer.parseInt( positionCbo.getValue( positionCbo.getSelectedIndex() ) ) );
hide();
}
} );
}
}
//Add insertions
private void addInsertions() {
if ( completions.getFactTypes().length == 0 ) {
return;
}
choices.addItem( SECTION_SEPARATOR );
for ( int i = 0; i < completions.getFactTypes().length; i++ ) {
final String item = completions.getFactTypes()[i];
choices.addItem( constants.InsertFact0( item ),
"INS" + item );
cmds.put( "INS" + item,
new Command() {
public void execute() {
model.addRhsItem( new ActionInsertFact( item ),
Integer.parseInt( positionCbo.getValue( positionCbo.getSelectedIndex() ) ) );
hide();
}
} );
}
}
//Add logical insertions
private void addLogicalInsertions() {
if ( completions.getFactTypes().length == 0 ) {
return;
}
choices.addItem( SECTION_SEPARATOR );
for ( int i = 0; i < completions.getFactTypes().length; i++ ) {
final String item = completions.getFactTypes()[i];
choices.addItem( constants.LogicallyInsertFact0( item ),
"LINS" + item );
cmds.put( "LINS" + item,
new Command() {
public void execute() {
model.addRhsItem( new ActionInsertLogicalFact( item ),
Integer.parseInt( positionCbo.getValue( positionCbo.getSelectedIndex() ) ) );
hide();
}
} );
}
}
//Add global collections
private void addGlobalCollections() {
List<String> vars = model.getLHSBoundFacts();
if ( vars.size() == 0 ) {
return;
}
if ( completions.getGlobalCollections().length == 0 ) {
return;
}
choices.addItem( SECTION_SEPARATOR );
for ( String bf : vars ) {
for ( int i = 0; i < completions.getGlobalCollections().length; i++ ) {
final String glob = completions.getGlobalCollections()[i];
final String var = bf;
choices.addItem( constants.Append0ToList1( var,
glob ),
"GLOBCOL" + glob + var );
cmds.put( "GLOBCOL" + glob + var,
new Command() {
public void execute() {
ActionGlobalCollectionAdd gca = new ActionGlobalCollectionAdd();
gca.globalName = glob;
gca.factName = var;
model.addRhsItem( gca,
Integer.parseInt( positionCbo.getValue( positionCbo.getSelectedIndex() ) ) );
hide();
}
} );
}
}
}
//Add free-form DRL
private void addFreeFormDRL() {
List<String> vars = model.getLHSBoundFacts();
List<String> vars2 = model.getRHSBoundFacts();
String[] globals = completions.getGlobalVariables();
if ( UserCapabilities.INSTANCE.hasCapability( Capability.SHOW_KNOWLEDGE_BASES_VIEW ) ) {
choices.addItem( SECTION_SEPARATOR );
choices.addItem( constants.AddFreeFormDrl(),
"FF" );
cmds.put( "FF",
new Command() {
public void execute() {
model.addRhsItem( new FreeFormLine(),
Integer.parseInt( positionCbo.getValue( positionCbo.getSelectedIndex() ) ) );
hide();
}
} );
//Add globals
if ( globals.length > 0 ) {
choices.addItem( SECTION_SEPARATOR );
}
for ( int i = 0; i < globals.length; i++ ) {
final String v = globals[i];
choices.addItem( constants.CallMethodOn0( v ),
"GLOBCALL" + v );
cmds.put( "GLOBCALL" + v,
new Command() {
public void execute() {
addCallMethod( v,
Integer.parseInt( positionCbo.getValue( positionCbo.getSelectedIndex() ) ) );
hide();
}
} );
}
//Method calls
if ( vars.size() > 0 ) {
choices.addItem( SECTION_SEPARATOR );
}
for ( Iterator<String> iter = vars.iterator(); iter.hasNext(); ) {
final String v = iter.next();
choices.addItem( constants.CallMethodOn0( v ),
"CALL" + v );
cmds.put( "CALL" + v,
new Command() {
public void execute() {
addCallMethod( v,
Integer.parseInt( positionCbo.getValue( positionCbo.getSelectedIndex() ) ) );
hide();
}
} );
}
//Update, not modify
if ( vars2.size() > 0 ) {
choices.addItem( SECTION_SEPARATOR );
}
for ( Iterator<String> iter = vars2.iterator(); iter.hasNext(); ) {
final String v = iter.next();
choices.addItem( constants.CallMethodOn0( v ),
"CALL" + v );
cmds.put( "CALL" + v,
new Command() {
public void execute() {
addCallMethod( v,
Integer.parseInt( positionCbo.getValue( positionCbo.getSelectedIndex() ) ) );
hide();
}
} );
}
}
}
private void addNewDSLRhs(DSLSentence sentence,
int position) {
this.model.addRhsItem( sentence.copy(),
position );
}
private void addRetract(String var,
int position) {
this.model.addRhsItem( new ActionRetractFact( var ),
position );
}
private void addActionSetField(String itemText,
int position) {
this.model.addRhsItem( new ActionSetField( itemText ),
position );
}
private void addCallMethod(String itemText,
int position) {
this.model.addRhsItem( new ActionCallMethod( itemText ),
position );
}
private void addModify(String itemText,
int position) {
this.model.addRhsItem( new ActionUpdateField( itemText ),
position );
}
}