/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates.
*
* 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.editor.menu;
import javax.annotation.PostConstruct;
import javax.enterprise.context.Dependent;
import javax.enterprise.event.Observes;
import javax.inject.Inject;
import com.ait.lienzo.client.core.types.Transform;
import com.google.gwt.user.client.ui.IsWidget;
import org.drools.workbench.screens.guided.dtable.client.widget.table.GuidedDecisionTableModellerView;
import org.drools.workbench.screens.guided.dtable.client.widget.table.events.cdi.DecisionTablePinnedEvent;
import org.uberfire.workbench.model.menu.MenuFactory;
import org.uberfire.workbench.model.menu.MenuItem;
import org.uberfire.workbench.model.menu.impl.BaseMenuCustom;
@Dependent
public class RadarMenuBuilder implements MenuFactory.CustomMenuBuilder,
RadarMenuView.Presenter {
private RadarMenuView view;
private GuidedDecisionTableModellerView.Presenter modeller;
//Event to trigger redraw of Radar
public static class UpdateRadarEvent {
private final GuidedDecisionTableModellerView.Presenter modeller;
public UpdateRadarEvent( final GuidedDecisionTableModellerView.Presenter modeller ) {
this.modeller = modeller;
}
public GuidedDecisionTableModellerView.Presenter getModeller() {
return modeller;
}
}
@Inject
public RadarMenuBuilder( final RadarMenuView view ) {
this.view = view;
}
@PostConstruct
void setup() {
view.init( this );
}
@Override
public void setModeller( final GuidedDecisionTableModellerView.Presenter modeller ) {
this.modeller = modeller;
}
@Override
public void push( final MenuFactory.CustomMenuBuilder element ) {
}
@Override
public MenuItem build() {
return new BaseMenuCustom<IsWidget>() {
@Override
public IsWidget build() {
return view;
}
@Override
public boolean isEnabled() {
return view.isEnabled();
}
@Override
public void setEnabled( final boolean enabled ) {
view.setEnabled( enabled );
}
};
}
@SuppressWarnings("unused")
public void onUpdateRadarEvent( final @Observes UpdateRadarEvent event ) {
final GuidedDecisionTableModellerView.Presenter modeller = event.getModeller();
if ( modeller == null ) {
return;
}
if ( !modeller.equals( this.modeller ) ) {
return;
}
onClick();
}
@SuppressWarnings("unused")
public void onDecisionTablePinnedEvent( final @Observes DecisionTablePinnedEvent event ) {
final GuidedDecisionTableModellerView.Presenter modeller = event.getPresenter();
if ( modeller == null ) {
return;
}
if ( !modeller.equals( this.modeller ) ) {
return;
}
view.enableDrag( !event.isPinned() );
}
@Override
public void onClick() {
view.reset();
view.setModellerBounds( modeller.getView().getBounds() );
view.setAvailableDecisionTables( modeller.getAvailableDecisionTables() );
view.setVisibleBounds( modeller.getView().getGridLayerView().getVisibleBounds() );
}
@Override
public void onDragVisibleBounds( final double canvasX,
final double canvasY ) {
final double _canvasX = -canvasX;
final double _canvasY = -canvasY;
final Transform oldTransform = modeller.getView().getGridLayerView().getViewport().getTransform();
final double scaleX = oldTransform.getScaleX();
final double scaleY = oldTransform.getScaleY();
final double translateX = oldTransform.getTranslateX();
final double translateY = oldTransform.getTranslateY();
final double dx = _canvasX - ( translateX / scaleX );
final double dy = _canvasY - ( translateY / scaleY );
final Transform newTransform = oldTransform.copy().translate( dx,
dy );
modeller.getView().getGridLayerView().getViewport().setTransform( newTransform );
modeller.getView().getGridLayerView().batch();
}
}