/*
* 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.workbench.screens.guided.dtable.client.widget;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import com.github.gwtbootstrap.client.ui.CheckBox;
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.user.client.Command;
import com.google.gwt.user.client.Window;
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.TextBox;
import com.google.gwt.user.client.ui.Widget;
import org.drools.workbench.models.datamodel.oracle.ModelField;
import org.drools.workbench.models.datamodel.workitems.PortableParameterDefinition;
import org.drools.workbench.models.datamodel.workitems.PortableWorkDefinition;
import org.drools.workbench.models.guided.dtable.shared.model.ActionCol52;
import org.drools.workbench.models.guided.dtable.shared.model.ActionWorkItemCol52;
import org.drools.workbench.models.guided.dtable.shared.model.ActionWorkItemSetFieldCol52;
import org.drools.workbench.models.guided.dtable.shared.model.GuidedDecisionTable52;
import org.drools.workbench.models.guided.dtable.shared.model.Pattern52;
import org.drools.workbench.screens.guided.dtable.client.resources.i18n.GuidedDecisionTableConstants;
import org.drools.workbench.screens.guided.dtable.client.resources.images.GuidedDecisionTableImageResources508;
import org.drools.workbench.screens.guided.dtable.client.utils.GuidedDecisionTableUtils;
import org.kie.uberfire.client.common.ImageButton;
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.uberfire.client.common.popups.footers.ModalFooterOKCancelButtons;
import org.kie.workbench.common.widgets.client.datamodel.AsyncPackageDataModelOracle;
import org.uberfire.client.callbacks.Callback;
/**
* A popup to define an Action to set a field on an existing Fact to the value
* of a Work Item Result parameter
*/
public class ActionWorkItemSetFieldPopup extends FormStylePopup {
private SmallLabel bindingLabel = new SmallLabel();
private TextBox fieldLabel = getFieldLabel();
private ListBox workItemResultParameters = new ListBox();
private Map<String, WorkItemParameter> workItemResultParametersMap = new HashMap<String, WorkItemParameter>();
private final ActionWorkItemSetFieldCol52 editingCol;
private final GuidedDecisionTable52 model;
private final AsyncPackageDataModelOracle oracle;
private final GuidedDecisionTableUtils utils;
private final boolean isReadOnly;
private ModalFooterOKCancelButtons footer;
//Container to contain WorkItem and WorkItem Parameters associations
private static class WorkItemParameter {
WorkItemParameter( PortableWorkDefinition workDefinition,
PortableParameterDefinition workParameterDefinition ) {
this.workDefinition = workDefinition;
this.workParameterDefinition = workParameterDefinition;
}
PortableWorkDefinition workDefinition;
PortableParameterDefinition workParameterDefinition;
}
public ActionWorkItemSetFieldPopup( final GuidedDecisionTable52 model,
final AsyncPackageDataModelOracle oracle,
final GenericColumnCommand refreshGrid,
final ActionWorkItemSetFieldCol52 col,
final boolean isNew,
final boolean isReadOnly ) {
super( GuidedDecisionTableConstants.INSTANCE.ColumnConfigurationWorkItemSetField() );
this.editingCol = cloneActionSetColumn( col );
this.model = model;
this.oracle = oracle;
this.utils = new GuidedDecisionTableUtils( model,
oracle );
this.isReadOnly = isReadOnly;
//Fact on which field will be set
HorizontalPanel pattern = new HorizontalPanel();
pattern.add( bindingLabel );
doBindingLabel();
Image edit = GuidedDecisionTableImageResources508.INSTANCE.Edit();
edit.setAltText( GuidedDecisionTableConstants.INSTANCE.ChooseABoundFactThatThisColumnPertainsTo() );
Image editDisabled = GuidedDecisionTableImageResources508.INSTANCE.EditDisabled();
editDisabled.setAltText( GuidedDecisionTableConstants.INSTANCE.ChooseABoundFactThatThisColumnPertainsTo() );
ImageButton changePattern = new ImageButton( edit,
editDisabled,
GuidedDecisionTableConstants.INSTANCE.ChooseABoundFactThatThisColumnPertainsTo(),
new ClickHandler() {
public void onClick( ClickEvent w ) {
showChangeFact( w );
}
} );
changePattern.setEnabled( !isReadOnly );
pattern.add( changePattern );
addAttribute( new StringBuilder( GuidedDecisionTableConstants.INSTANCE.Fact() ).append( GuidedDecisionTableConstants.COLON ).toString(),
pattern );
//Fact Field being set
HorizontalPanel field = new HorizontalPanel();
fieldLabel.setEnabled( !isReadOnly );
field.add( fieldLabel );
ImageButton editField = createEditField();
editField.setEnabled( !isReadOnly );
field.add( editField );
addAttribute( new StringBuilder( GuidedDecisionTableConstants.INSTANCE.Field() ).append( GuidedDecisionTableConstants.COLON ).toString(),
field );
doFieldLabel();
//Column header
final TextBox header = new TextBox();
header.setText( col.getHeader() );
header.setEnabled( !isReadOnly );
if ( !isReadOnly ) {
header.addChangeHandler( new ChangeHandler() {
public void onChange( ChangeEvent event ) {
editingCol.setHeader( header.getText() );
}
} );
}
addAttribute( GuidedDecisionTableConstants.INSTANCE.ColumnHeaderDescription(),
header );
//Update Engine with changes
addAttribute( new StringBuilder( GuidedDecisionTableConstants.INSTANCE.UpdateEngineWithChanges() ).append( GuidedDecisionTableConstants.COLON ).toString(),
doUpdate() );
//Bind field to a WorkItem result parameter
addAttribute( GuidedDecisionTableConstants.INSTANCE.BindActionFieldToWorkItem(),
doBindFieldToWorkItem() );
if ( !isReadOnly ) {
workItemResultParameters.addChangeHandler( new ChangeHandler() {
public void onChange( ChangeEvent event ) {
int index = workItemResultParameters.getSelectedIndex();
if ( index >= 0 ) {
String key = workItemResultParameters.getValue( index );
WorkItemParameter wip = workItemResultParametersMap.get( key );
editingCol.setWorkItemName( wip.workDefinition.getName() );
editingCol.setWorkItemResultParameterName( wip.workParameterDefinition.getName() );
editingCol.setParameterClassName( wip.workParameterDefinition.getClassName() );
}
}
} );
}
//Hide column tick-box
addAttribute( new StringBuilder( GuidedDecisionTableConstants.INSTANCE.HideThisColumn() ).append( GuidedDecisionTableConstants.COLON ).toString(),
DTCellValueWidgetFactory.getHideColumnIndicator( editingCol ) );
//Apply button
footer = new ModalFooterOKCancelButtons( new Command() {
@Override
public void execute() {
applyChanges( refreshGrid,
col,
isNew );
}
}, new Command() {
@Override
public void execute() {
hide();
}
}
);
add( footer );
}
private void applyChanges( final GenericColumnCommand refreshGrid,
final ActionWorkItemSetFieldCol52 col,
final boolean isNew ) {
if ( !isValidFactType() ) {
Window.alert( GuidedDecisionTableConstants.INSTANCE.YouMustEnterAColumnFact() );
return;
}
if ( !isValidFactField() ) {
Window.alert( GuidedDecisionTableConstants.INSTANCE.YouMustEnterAColumnField() );
return;
}
if ( null == editingCol.getHeader() || "".equals( editingCol.getHeader() ) ) {
Window.alert( GuidedDecisionTableConstants.INSTANCE.YouMustEnterAColumnHeaderValueDescription() );
return;
}
if ( isNew ) {
if ( !unique( editingCol.getHeader() ) ) {
Window.alert( GuidedDecisionTableConstants.INSTANCE.ThatColumnNameIsAlreadyInUsePleasePickAnother() );
return;
}
} else {
if ( !col.getHeader().equals( editingCol.getHeader() ) ) {
if ( !unique( editingCol.getHeader() ) ) {
Window.alert( GuidedDecisionTableConstants.INSTANCE.ThatColumnNameIsAlreadyInUsePleasePickAnother() );
return;
}
}
}
// Pass new\modified column back for handling
refreshGrid.execute( editingCol );
hide();
}
private ImageButton createEditField() {
Image edit = GuidedDecisionTableImageResources508.INSTANCE.Edit();
edit.setAltText( GuidedDecisionTableConstants.INSTANCE.EditTheFieldThatThisColumnOperatesOn() );
Image editDisabled = GuidedDecisionTableImageResources508.INSTANCE.EditDisabled();
editDisabled.setAltText( GuidedDecisionTableConstants.INSTANCE.EditTheFieldThatThisColumnOperatesOn() );
return new ImageButton( edit,
editDisabled,
GuidedDecisionTableConstants.INSTANCE.EditTheFieldThatThisColumnOperatesOn(),
new ClickHandler() {
public void onClick( ClickEvent w ) {
showFieldChange();
}
} );
}
private ActionWorkItemSetFieldCol52 cloneActionSetColumn( ActionWorkItemSetFieldCol52 col ) {
ActionWorkItemSetFieldCol52 clone = new ActionWorkItemSetFieldCol52();
clone.setBoundName( col.getBoundName() );
clone.setFactField( col.getFactField() );
clone.setHeader( col.getHeader() );
clone.setType( col.getType() );
clone.setValueList( col.getValueList() );
clone.setUpdate( col.isUpdate() );
clone.setDefaultValue( col.getDefaultValue() );
clone.setHideColumn( col.isHideColumn() );
clone.setWorkItemName( col.getWorkItemName() );
clone.setWorkItemResultParameterName( col.getWorkItemResultParameterName() );
clone.setParameterClassName( col.getParameterClassName() );
return clone;
}
private void doBindingLabel() {
if ( this.editingCol.getBoundName() != null ) {
this.bindingLabel.setText( "" + this.editingCol.getBoundName() );
} else {
this.bindingLabel.setText( GuidedDecisionTableConstants.INSTANCE.pleaseChooseABoundFactForThisColumn() );
}
}
private void doFieldLabel() {
if ( this.editingCol.getFactField() != null ) {
this.fieldLabel.setText( this.editingCol.getFactField() );
} else {
this.fieldLabel.setText( GuidedDecisionTableConstants.INSTANCE.pleaseChooseAFactPatternFirst() );
}
}
private Widget doUpdate() {
HorizontalPanel hp = new HorizontalPanel();
final CheckBox cb = new CheckBox();
cb.setValue( editingCol.isUpdate() );
cb.setText( "" );
cb.setEnabled( !isReadOnly );
if ( !isReadOnly ) {
cb.addClickHandler( new ClickHandler() {
public void onClick( ClickEvent arg0 ) {
if ( oracle.isGlobalVariable( editingCol.getBoundName() ) ) {
cb.setEnabled( false );
editingCol.setUpdate( false );
} else {
editingCol.setUpdate( cb.getValue() );
}
}
} );
}
hp.add( cb );
hp.add( new InfoPopup( GuidedDecisionTableConstants.INSTANCE.UpdateFact(),
GuidedDecisionTableConstants.INSTANCE.UpdateDescription() ) );
return hp;
}
//Populate list of WorkItem Result Parameters for the Fact\Fields data-type
private Widget doBindFieldToWorkItem() {
workItemResultParameters.clear();
workItemResultParametersMap.clear();
//Get list of Work Items executed by Actions
List<PortableWorkDefinition> actionWorkItems = new ArrayList<PortableWorkDefinition>();
for ( ActionCol52 ac : model.getActionCols() ) {
if ( ac instanceof ActionWorkItemCol52 ) {
PortableWorkDefinition pwd = ( (ActionWorkItemCol52) ac ).getWorkItemDefinition();
actionWorkItems.add( pwd );
}
}
//Populate list of available result parameters
if ( actionWorkItems.size() == 0 ) {
workItemResultParameters.setEnabled( false );
workItemResultParameters.addItem( GuidedDecisionTableConstants.INSTANCE.NoWorkItemsAvailable() );
editingCol.setWorkItemName( null );
editingCol.setWorkItemResultParameterName( null );
editingCol.setParameterClassName( null );
} else {
int selectedItemIndex = -1;
String selectedItemKey = editingCol.getWorkItemName() + "" + editingCol.getWorkItemResultParameterName();
workItemResultParameters.setEnabled( true && !isReadOnly );
for ( PortableWorkDefinition pwd : actionWorkItems ) {
for ( PortableParameterDefinition ppd : pwd.getResults() ) {
if ( acceptParameterType( ppd ) ) {
String key = pwd.getName() + "" + ppd.getName();
String parameterDisplayName = pwd.getDisplayName() + "" + ppd.getName();
//Pre-select item if applicable
if ( key.equals( selectedItemKey ) ) {
selectedItemIndex = workItemResultParameters.getItemCount();
}
workItemResultParametersMap.put( key,
new WorkItemParameter( pwd,
ppd ) );
workItemResultParameters.addItem( parameterDisplayName,
key );
}
}
}
//Disable selection if no suitable parameters were found
if ( workItemResultParameters.getItemCount() == 0 ) {
workItemResultParameters.setEnabled( false );
workItemResultParameters.addItem( GuidedDecisionTableConstants.INSTANCE.NoWorkItemsAvailable() );
editingCol.setWorkItemName( null );
editingCol.setWorkItemResultParameterName( null );
editingCol.setParameterClassName( null );
} else {
//Select first item if none were pre-selected
if ( selectedItemIndex == -1 ) {
selectedItemIndex = 0;
selectedItemKey = workItemResultParameters.getValue( selectedItemIndex );
WorkItemParameter wip = workItemResultParametersMap.get( selectedItemKey );
editingCol.setWorkItemName( wip.workDefinition.getName() );
editingCol.setWorkItemResultParameterName( wip.workParameterDefinition.getName() );
editingCol.setParameterClassName( wip.workParameterDefinition.getClassName() );
}
workItemResultParameters.setSelectedIndex( selectedItemIndex );
}
}
return workItemResultParameters;
}
private boolean acceptParameterType( PortableParameterDefinition ppd ) {
if ( nil( editingCol.getFactField() ) ) {
return false;
}
if ( ppd.getClassName() == null ) {
return false;
}
Pattern52 p = model.getConditionPattern( editingCol.getBoundName() );
String fieldClassName = oracle.getFieldClassName( p.getFactType(),
editingCol.getFactField() );
return fieldClassName.equals( ppd.getClassName() );
}
private String getFactType() {
if ( oracle.isGlobalVariable( editingCol.getBoundName() ) ) {
return oracle.getGlobalVariable( editingCol.getBoundName() );
}
return getFactType( this.editingCol.getBoundName() );
}
private String getFactType( String boundName ) {
for ( Pattern52 p : model.getPatterns() ) {
if ( p.getBoundName().equals( boundName ) ) {
return p.getFactType();
}
}
return "";
}
private TextBox getFieldLabel() {
final TextBox box = new TextBox();
box.addChangeHandler( new ChangeHandler() {
public void onChange( ChangeEvent event ) {
editingCol.setFactField( box.getText() );
}
} );
return box;
}
private ListBox loadBoundFacts() {
Set<String> facts = new HashSet<String>();
for ( Pattern52 p : model.getPatterns() ) {
if ( !p.isNegated() ) {
facts.add( p.getBoundName() );
}
}
ListBox box = new ListBox();
for ( Iterator<String> iterator = facts.iterator(); iterator.hasNext(); ) {
String b = (String) iterator.next();
box.addItem( b );
}
String[] globs = this.oracle.getGlobalVariables();
for ( int i = 0; i < globs.length; i++ ) {
box.addItem( globs[ i ] );
}
return box;
}
private boolean nil( String s ) {
return s == null || s.equals( "" );
}
private void showChangeFact( ClickEvent w ) {
final FormStylePopup pop = new FormStylePopup( GuidedDecisionTableConstants.INSTANCE.FactType() );
final ListBox pats = this.loadBoundFacts();
pop.addAttribute( GuidedDecisionTableConstants.INSTANCE.ChooseFact(),
pats );
pop.add( new ModalFooterOKCancelButtons( new Command() {
@Override
public void execute() {
String val = pats.getValue( pats.getSelectedIndex() );
editingCol.setBoundName( val );
editingCol.setFactField( null );
doBindFieldToWorkItem();
doBindingLabel();
doFieldLabel();
pop.hide();
enableFooter( true );
}
}, new Command() {
@Override
public void execute() {
pop.hide();
enableFooter( true );
}
}
) );
enableFooter( false );
pop.show();
}
private void showFieldChange() {
final FormStylePopup pop = new FormStylePopup( GuidedDecisionTableConstants.INSTANCE.Field() );
final ListBox box = new ListBox();
final String factType = getFactType();
this.oracle.getFieldCompletions( factType,
new Callback<ModelField[]>() {
@Override
public void callback( final ModelField[] fields ) {
for ( int i = 0; i < fields.length; i++ ) {
box.addItem( fields[ i ].getName() );
}
}
} );
pop.addAttribute( new StringBuilder( GuidedDecisionTableConstants.INSTANCE.Field() ).append( GuidedDecisionTableConstants.COLON ).toString(),
box );
pop.add( new ModalFooterOKCancelButtons( new Command() {
@Override
public void execute() {
editingCol.setFactField( box.getItemText( box.getSelectedIndex() ) );
editingCol.setType( oracle.getFieldType( factType,
editingCol.getFactField() ) );
doBindFieldToWorkItem();
doFieldLabel();
pop.hide();
enableFooter( true );
}
}, new Command() {
@Override
public void execute() {
pop.hide();
enableFooter( true );
}
}
) );
enableFooter( false );
pop.show();
}
private boolean isValidFactType() {
return !( editingCol.getBoundName() == null || "".equals( editingCol.getBoundName() ) );
}
private boolean isValidFactField() {
return !( editingCol.getFactField() == null || "".equals( editingCol.getFactField() ) );
}
private boolean unique( String header ) {
for ( ActionCol52 o : model.getActionCols() ) {
if ( o.getHeader().equals( header ) ) {
return false;
}
}
return true;
}
private void enableFooter( final boolean enabled ) {
if ( footer == null ) {
return;
}
footer.enableOkButton( enabled );
footer.enableCancelButton( enabled );
}
}