/*
* Copyright 2014 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.dashbuilder.client.widgets.dataset.editor;
import com.google.gwt.editor.client.EditorDelegate;
import com.google.gwt.user.client.ui.IsWidget;
import com.google.gwt.user.client.ui.Widget;
import org.dashbuilder.client.widgets.dataset.event.FilterChangedEvent;
import org.dashbuilder.dataset.DataSetMetadata;
import org.dashbuilder.dataset.filter.DataSetFilter;
import org.dashbuilder.displayer.client.events.DataSetFilterChangedEvent;
import org.dashbuilder.displayer.client.widgets.filter.DataSetFilterEditor;
import org.uberfire.client.mvp.UberView;
import javax.annotation.PostConstruct;
import javax.enterprise.context.Dependent;
import javax.enterprise.event.Event;
import javax.enterprise.event.Observes;
import javax.inject.Inject;
/**
* <p>Data Set filter editor presenter.</p>
*
* @since 0.4.0
*/
@Dependent
public class DataSetDefFilterEditor implements IsWidget, org.dashbuilder.dataset.client.editor.DataSetDefFilterEditor {
public interface View extends UberView<DataSetDefFilterEditor> {
View setWidget(IsWidget filterView);
}
Event<FilterChangedEvent> filterChangedEvent;
public View view;
DataSetFilterEditor filterEditor;
DataSetFilter value;
@Inject
public DataSetDefFilterEditor(View view, DataSetFilterEditor filterEditor, final Event<FilterChangedEvent> filterChangedEvent) {
this.view = view;
this.filterEditor = filterEditor;
this.filterChangedEvent = filterChangedEvent;
view.init(this);
}
@Override
public void init(DataSetMetadata metadata) {
view.setWidget(filterEditor);
filterEditor.init(value != null ? value.cloneInstance() : null, metadata);
}
@Override
public Widget asWidget() {
return view.asWidget();
}
/*************************************************************
** GWT EDITOR CONTRACT METHODS **
*************************************************************/
@Override
public void flush() {
}
@Override
public void onPropertyChange(final String... paths) {
}
@Override
public void setValue(final DataSetFilter value) {
this.value = value != null ? value.cloneInstance() : null;
}
@Override
public void setDelegate(final EditorDelegate<DataSetFilter> delegate) {
// No delegation required.
}
void onValueChanged(@Observes DataSetFilterChangedEvent event) {
// Set the new value.
DataSetFilter before = this.value;
setValue(event.getFilter());
// Fire the value change event.
filterChangedEvent.fire(new FilterChangedEvent(DataSetDefFilterEditor.this, before, value));
}
}