/*
* 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.decisiontable;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import com.google.gwt.core.client.GWT;
import org.drools.guvnor.client.common.FormStylePopup;
import org.drools.guvnor.client.common.GenericCallback;
import org.drools.guvnor.client.common.IBindingProvider;
import org.drools.guvnor.client.explorer.ClientFactory;
import org.drools.guvnor.client.messages.Constants;
import org.drools.guvnor.client.rpc.WorkItemService;
import org.drools.guvnor.client.rpc.WorkItemServiceAsync;
import org.drools.guvnor.client.widgets.drools.workitems.WorkItemParametersWidget;
import org.drools.ide.common.client.modeldriven.dt52.ActionCol52;
import org.drools.ide.common.client.modeldriven.dt52.ActionWorkItemCol52;
import org.drools.ide.common.client.modeldriven.dt52.GuidedDecisionTable52;
import org.drools.ide.common.shared.workitems.PortableBooleanParameterDefinition;
import org.drools.ide.common.shared.workitems.PortableEnumParameterDefinition;
import org.drools.ide.common.shared.workitems.PortableFloatParameterDefinition;
import org.drools.ide.common.shared.workitems.PortableIntegerParameterDefinition;
import org.drools.ide.common.shared.workitems.PortableListParameterDefinition;
import org.drools.ide.common.shared.workitems.PortableObjectParameterDefinition;
import org.drools.ide.common.shared.workitems.PortableParameterDefinition;
import org.drools.ide.common.shared.workitems.PortableStringParameterDefinition;
import org.drools.ide.common.shared.workitems.PortableWorkDefinition;
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.Window;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.ListBox;
import com.google.gwt.user.client.ui.TextBox;
/**
* A popup to define an Action to execute a Work Item
*/
public class ActionWorkItemPopup extends FormStylePopup {
private ActionWorkItemCol52 editingCol;
private String packageUUID;
private GuidedDecisionTable52 model;
private ClientFactory clientFactory;
private WorkItemParametersWidget workItemInputParameters;
private int workItemInputParametersIndex;
private Map<String, PortableWorkDefinition> workItemDefinitions;
private final boolean isReadOnly;
public ActionWorkItemPopup(final ClientFactory clientFactory,
final String packageUUID,
final GuidedDecisionTable52 model,
final IBindingProvider bindingProvider,
final GenericColumnCommand refreshGrid,
final ActionWorkItemCol52 col,
final boolean isNew,
final boolean isReadOnly) {
this.editingCol = cloneActionWorkItemColumn( col );
this.clientFactory = clientFactory;
this.packageUUID = packageUUID;
this.model = model;
this.isReadOnly = isReadOnly;
this.workItemInputParameters = new WorkItemParametersWidget( bindingProvider,
isReadOnly );
setTitle( Constants.INSTANCE.ColumnConfigurationWorkItem() );
setModal( false );
//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( Constants.INSTANCE.ColumnHeaderDescription(),
header );
//Work Item Definitions
final ListBox workItemsListBox = new ListBox();
addAttribute( Constants.INSTANCE.WorkItemNameColon(),
workItemsListBox );
setupWorkItems( workItemsListBox );
workItemsListBox.setEnabled( !isReadOnly );
if ( !isReadOnly ) {
workItemsListBox.addChangeHandler( new ChangeHandler() {
public void onChange(ChangeEvent event) {
int index = workItemsListBox.getSelectedIndex();
if ( index >= 0 ) {
String selectedWorkItemName = workItemsListBox.getValue( index );
editingCol.setWorkItemDefinition( workItemDefinitions.get( selectedWorkItemName ) );
showWorkItemParameters();
center();
}
}
} );
}
//Work Item Input Parameters
workItemInputParametersIndex = addAttribute( Constants.INSTANCE.WorkItemInputParameters(),
workItemInputParameters,
false );
//Hide column tick-box
addAttribute( Constants.INSTANCE.HideThisColumn(),
DTCellValueWidgetFactory.getHideColumnIndicator( editingCol ) );
Button apply = new Button( Constants.INSTANCE.ApplyChanges() );
apply.addClickHandler( new ClickHandler() {
public void onClick(ClickEvent w) {
if ( null == editingCol.getHeader()
|| "".equals( editingCol.getHeader() ) ) {
Window.alert( Constants.INSTANCE.YouMustEnterAColumnHeaderValueDescription() );
return;
}
if ( isNew ) {
if ( !unique( editingCol.getHeader() ) ) {
Window.alert( Constants.INSTANCE.ThatColumnNameIsAlreadyInUsePleasePickAnother() );
return;
}
} else {
if ( !col.getHeader().equals( editingCol.getHeader() ) ) {
if ( !unique( editingCol.getHeader() ) ) {
Window.alert( Constants.INSTANCE.ThatColumnNameIsAlreadyInUsePleasePickAnother() );
return;
}
}
}
// Pass new\modified column back for handling
refreshGrid.execute( editingCol );
hide();
}
} );
addAttribute( "",
apply );
}
private boolean unique(String header) {
for ( ActionCol52 o : model.getActionCols() ) {
if ( o.getHeader().equals( header ) ) return false;
}
return true;
}
private ActionWorkItemCol52 cloneActionWorkItemColumn(ActionWorkItemCol52 col) {
ActionWorkItemCol52 clone = new ActionWorkItemCol52();
clone.setHeader( col.getHeader() );
clone.setHideColumn( col.isHideColumn() );
clone.setWorkItemDefinition( cloneWorkItemDefinition( col.getWorkItemDefinition() ) );
return clone;
}
private PortableWorkDefinition cloneWorkItemDefinition(PortableWorkDefinition pwd) {
if ( pwd == null ) {
return null;
}
PortableWorkDefinition clone = new PortableWorkDefinition();
clone.setName( pwd.getName() );
clone.setDisplayName( pwd.getDisplayName() );
clone.setParameters( cloneParameters( pwd.getParameters() ) );
clone.setResults( cloneParameters( pwd.getResults() ) );
return clone;
}
private Set<PortableParameterDefinition> cloneParameters(Set<PortableParameterDefinition> parameters) {
Set<PortableParameterDefinition> clone = new HashSet<PortableParameterDefinition>();
for ( PortableParameterDefinition ppd : parameters ) {
clone.add( cloneParameter( ppd ) );
}
return clone;
}
private PortableParameterDefinition cloneParameter(PortableParameterDefinition ppd) {
PortableParameterDefinition clone = null;
if ( ppd instanceof PortableBooleanParameterDefinition ) {
clone = new PortableBooleanParameterDefinition();
clone.setName( ppd.getName() );
((PortableBooleanParameterDefinition) clone).setBinding( ((PortableBooleanParameterDefinition) ppd).getBinding() );
((PortableBooleanParameterDefinition) clone).setValue( ((PortableBooleanParameterDefinition) ppd).getValue() );
return clone;
} else if ( ppd instanceof PortableEnumParameterDefinition ) {
clone = new PortableEnumParameterDefinition();
clone.setName( ppd.getName() );
((PortableEnumParameterDefinition) clone).setClassName( ((PortableEnumParameterDefinition) ppd).getClassName() );
((PortableEnumParameterDefinition) clone).setBinding( ((PortableEnumParameterDefinition) ppd).getBinding() );
((PortableEnumParameterDefinition) clone).setValues( ((PortableEnumParameterDefinition) ppd).getValues() );
((PortableEnumParameterDefinition) clone).setValue( ((PortableEnumParameterDefinition) ppd).getValue() );
return clone;
} else if ( ppd instanceof PortableFloatParameterDefinition ) {
clone = new PortableFloatParameterDefinition();
clone.setName( ppd.getName() );
((PortableFloatParameterDefinition) clone).setBinding( ((PortableFloatParameterDefinition) ppd).getBinding() );
((PortableFloatParameterDefinition) clone).setValue( ((PortableFloatParameterDefinition) ppd).getValue() );
return clone;
} else if ( ppd instanceof PortableIntegerParameterDefinition ) {
clone = new PortableIntegerParameterDefinition();
clone.setName( ppd.getName() );
((PortableIntegerParameterDefinition) clone).setBinding( ((PortableIntegerParameterDefinition) ppd).getBinding() );
((PortableIntegerParameterDefinition) clone).setValue( ((PortableIntegerParameterDefinition) ppd).getValue() );
return clone;
} else if ( ppd instanceof PortableListParameterDefinition ) {
clone = new PortableListParameterDefinition();
clone.setName( ppd.getName() );
((PortableListParameterDefinition) clone).setBinding( ((PortableListParameterDefinition) ppd).getBinding() );
((PortableListParameterDefinition) clone).setClassName( ((PortableListParameterDefinition) ppd).getClassName() );
return clone;
} else if ( ppd instanceof PortableObjectParameterDefinition ) {
clone = new PortableObjectParameterDefinition();
clone.setName( ppd.getName() );
((PortableObjectParameterDefinition) clone).setBinding( ((PortableObjectParameterDefinition) ppd).getBinding() );
((PortableObjectParameterDefinition) clone).setClassName( ((PortableObjectParameterDefinition) ppd).getClassName() );
return clone;
} else if ( ppd instanceof PortableStringParameterDefinition ) {
clone = new PortableStringParameterDefinition();
clone.setName( ppd.getName() );
((PortableStringParameterDefinition) clone).setBinding( ((PortableStringParameterDefinition) ppd).getBinding() );
((PortableStringParameterDefinition) clone).setValue( ((PortableStringParameterDefinition) ppd).getValue() );
return clone;
}
throw new IllegalArgumentException( "Unrecognized PortableParameterDefinition" );
}
private void setupWorkItems(final ListBox workItemsListBox) {
workItemsListBox.clear();
workItemsListBox.addItem(Constants.INSTANCE.NoWorkItemsAvailable());
workItemsListBox.setEnabled(false);
WorkItemServiceAsync workItemService= GWT.create(WorkItemService.class);
workItemService.loadWorkItemDefinitions( packageUUID,
new GenericCallback<Set<PortableWorkDefinition>>() {
public void onSuccess(Set<PortableWorkDefinition> result) {
//Add list of Work Item Definitions to list box
if ( result.size() > 0 ) {
workItemsListBox.clear();
workItemsListBox.setEnabled( true && !isReadOnly );
workItemsListBox.addItem( Constants.INSTANCE.pleaseChoose(),
"" );
workItemDefinitions = new HashMap<String, PortableWorkDefinition>();
String selectedName = null;
boolean isWorkItemSelected = false;
if ( editingCol.getWorkItemDefinition() != null ) {
selectedName = editingCol.getWorkItemDefinition().getName();
}
//Add items
int i = 0;
for ( PortableWorkDefinition wid : result ) {
workItemsListBox.addItem( wid.getDisplayName(),
wid.getName() );
workItemDefinitions.put( wid.getName(),
wid );
if ( wid.getName().equals( selectedName ) ) {
workItemsListBox.setSelectedIndex( i + 1 );
isWorkItemSelected = true;
}
i++;
}
//Show parameters if a Work Item is pre-selected
setAttributeVisibility( workItemInputParametersIndex,
isWorkItemSelected );
showWorkItemParameters();
center();
}
}
} );
}
private void showWorkItemParameters() {
//Hide parameter selections if a Work Item has not been selected
PortableWorkDefinition wid = editingCol.getWorkItemDefinition();
if ( wid == null ) {
this.setAttributeVisibility( workItemInputParametersIndex,
false );
return;
}
//Show parameters
this.setAttributeVisibility( workItemInputParametersIndex,
true );
//Input parameters
workItemInputParameters.setParameters( wid.getParameters() );
}
}