/*
* 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.Collection;
import com.github.gwtbootstrap.client.ui.CheckBox;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ChangeEvent;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.shared.EventBus;
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.Window;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.ScrollPanel;
import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.Widget;
import org.drools.workbench.models.datamodel.rule.RuleModel;
import org.drools.workbench.models.guided.dtable.shared.model.BRLColumn;
import org.drools.workbench.models.guided.dtable.shared.model.BaseColumn;
import org.drools.workbench.models.guided.dtable.shared.model.GuidedDecisionTable52;
import org.drools.workbench.screens.guided.dtable.client.resources.i18n.GuidedDecisionTableConstants;
import org.drools.workbench.screens.guided.rule.client.editor.ModellerWidgetFactory;
import org.drools.workbench.screens.guided.rule.client.editor.RuleModelEditor;
import org.drools.workbench.screens.guided.rule.client.editor.RuleModeller;
import org.drools.workbench.screens.guided.rule.client.editor.RuleModellerConfiguration;
import org.drools.workbench.screens.guided.rule.client.editor.RuleModellerWidgetFactory;
import org.guvnor.common.services.shared.rulenames.RuleNamesService;
import org.jboss.errai.common.client.api.Caller;
import org.jboss.errai.common.client.api.RemoteCallback;
import org.kie.workbench.common.widgets.client.datamodel.AsyncPackageDataModelOracle;
import org.uberfire.backend.vfs.Path;
import org.uberfire.client.common.Popup;
/**
* An editor for Limited Entry BRL Column definitions
*/
public abstract class AbstractLimitedEntryBRLColumnViewImpl<T, C extends BaseColumn> extends Popup
implements
RuleModelEditor {
protected int MIN_WIDTH = 500;
protected int MIN_HEIGHT = 200;
@UiField(provided = true)
RuleModeller ruleModeller;
@UiField
TextBox txtColumnHeader;
@UiField
CheckBox chkHideColumn;
@UiField
ScrollPanel brlEditorContainer;
@UiField
Button cmdApplyChanges;
Widget popupContent;
@SuppressWarnings("rawtypes")
interface AbstractLimitedEntryBRLColumnEditorBinder
extends
UiBinder<Widget, AbstractLimitedEntryBRLColumnViewImpl> {
}
private static AbstractLimitedEntryBRLColumnEditorBinder uiBinder = GWT.create( AbstractLimitedEntryBRLColumnEditorBinder.class );
protected final GuidedDecisionTable52 model;
protected final EventBus eventBus;
protected final boolean isNew;
protected final BRLColumn<T, C> editingCol;
protected final BRLColumn<T, C> originalCol;
protected final RuleModel ruleModel;
public AbstractLimitedEntryBRLColumnViewImpl( final Path path,
final GuidedDecisionTable52 model,
final AsyncPackageDataModelOracle oracle,
final Caller<RuleNamesService> ruleNameService,
final BRLColumn<T, C> column,
final EventBus eventBus,
final boolean isNew,
final boolean isReadOnly ) {
this.model = model;
this.isNew = isNew;
this.eventBus = eventBus;
this.originalCol = column;
this.editingCol = cloneBRLColumn( column );
this.ruleModel = getRuleModel( editingCol );
setModal( false );
//Limited Entry decision tables do not permit field values to be defined with Template Keys
final ModellerWidgetFactory widgetFactory = new RuleModellerWidgetFactory();
this.ruleModeller = new RuleModeller( path,
ruleModel,
oracle,
widgetFactory,
getRuleModellerConfiguration(),
eventBus,
isReadOnly );
this.popupContent = uiBinder.createAndBindUi( this );
ruleNameService.call( new RemoteCallback<Collection<String>>() {
@Override
public void callback( Collection<String> ruleNames ) {
ruleModeller.setRuleNamesForPackage( ruleNames );
}
} ).getRuleNamesForPackage( model.getPackageName() );
setHeight( getPopupHeight() + "px" );
setWidth( getPopupWidth() + "px" );
this.brlEditorContainer.setHeight( ( getPopupHeight() - 160 ) + "px" );
this.brlEditorContainer.setWidth( getPopupWidth() + "px" );
this.txtColumnHeader.setText( editingCol.getHeader() );
this.chkHideColumn.setValue( editingCol.isHideColumn() );
}
protected abstract boolean isHeaderUnique( String header );
protected abstract RuleModel getRuleModel( BRLColumn<T, C> column );
protected abstract RuleModellerConfiguration getRuleModellerConfiguration();
protected abstract void doInsertColumn();
protected abstract void doUpdateColumn();
protected abstract BRLColumn<T, C> cloneBRLColumn( BRLColumn<T, C> col );
protected abstract boolean isDefined();
public RuleModeller getRuleModeller() {
return this.ruleModeller;
}
@Override
public Widget getContent() {
return popupContent;
}
/**
* Width of pop-up, 75% of the client width or MIN_WIDTH
* @return
*/
private int getPopupWidth() {
int w = (int) ( Window.getClientWidth() * 0.75 );
if ( w < MIN_WIDTH ) {
w = MIN_WIDTH;
}
return w;
}
/**
* Height of pop-up, 75% of the client height or MIN_HEIGHT
* @return
*/
protected int getPopupHeight() {
int h = (int) ( Window.getClientHeight() * 0.75 );
if ( h < MIN_HEIGHT ) {
h = MIN_HEIGHT;
}
return h;
}
@UiHandler("txtColumnHeader")
void columnHanderChangeHandler( ChangeEvent event ) {
editingCol.setHeader( txtColumnHeader.getText() );
}
@UiHandler("chkHideColumn")
void hideColumnClickHandler( ClickEvent event ) {
editingCol.setHideColumn( chkHideColumn.getValue() );
}
@UiHandler("cmdApplyChanges")
void applyChangesClickHandler( ClickEvent event ) {
//Validation
if ( null == editingCol.getHeader() || "".equals( editingCol.getHeader() ) ) {
Window.alert( GuidedDecisionTableConstants.INSTANCE.YouMustEnterAColumnHeaderValueDescription() );
return;
}
if ( isNew ) {
if ( !isHeaderUnique( editingCol.getHeader() ) ) {
Window.alert( GuidedDecisionTableConstants.INSTANCE.ThatColumnNameIsAlreadyInUsePleasePickAnother() );
return;
}
if ( isDefined() ) {
doInsertColumn();
} else {
Window.alert( GuidedDecisionTableConstants.INSTANCE.DecisionTableBRLFragmentNothingDefined() );
return;
}
} else {
if ( !originalCol.getHeader().equals( editingCol.getHeader() ) ) {
if ( !isHeaderUnique( editingCol.getHeader() ) ) {
Window.alert( GuidedDecisionTableConstants.INSTANCE.ThatColumnNameIsAlreadyInUsePleasePickAnother() );
return;
}
}
if ( isDefined() ) {
doUpdateColumn();
} else {
Window.alert( GuidedDecisionTableConstants.INSTANCE.DecisionTableBRLFragmentNothingDefined() );
return;
}
}
hide();
}
}