/**
* Copyright (C) 2012 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.jboss.dashboard.ui.components;
import org.jboss.dashboard.DataDisplayerServices;
import org.jboss.dashboard.LocaleManager;
import org.jboss.dashboard.annotation.config.Config;
import org.jboss.dashboard.commons.cdi.CDIBeanLocator;
import org.jboss.dashboard.displayer.chart.AbstractChartDisplayer;
import org.jboss.dashboard.kpi.KPI;
import org.jboss.dashboard.kpi.KPIListener;
import org.jboss.dashboard.kpi.KPIListenerAdapter;
import org.jboss.dashboard.kpi.KPIManager;
import org.jboss.dashboard.ui.UIBeanLocator;
import org.jboss.dashboard.displayer.DataDisplayer;
import org.jboss.dashboard.ui.annotation.panel.PanelScoped;
import java.util.Locale;
import javax.inject.Inject;
import javax.inject.Named;
@PanelScoped
@Named("kpi_viewer")
public class KPIViewer extends UIBeanHandler {
/** Get the instance. */
public static KPIViewer lookup() {
return CDIBeanLocator.getBeanByType(KPIViewer.class);
}
@Inject @Config("/components/bam/kpi_view.jsp")
protected String viewJSP;
protected KPI kpi;
protected DataDisplayerViewer displayerViewer;
protected transient KPIListener kpiListener;
public KPIViewer() {
kpi = null;
displayerViewer = null;
kpiListener = new KPIViewerListener();
KPIManager kpiManager = DataDisplayerServices.lookup().getKPIManager();
kpiManager.addKPIListener(kpiListener, KPIManager.EVENT_ALL);
}
public DataDisplayerViewer getDisplayerViewer() {
return displayerViewer;
}
public KPI getKpi() {
return kpi;
}
public void setKpi(KPI kpi) {
this.kpi = kpi;
this.displayerViewer = null;
if (kpi != null) {
DataDisplayer displayer = kpi.getDataDisplayer();
this.displayerViewer = UIBeanLocator.lookup().getViewer(displayer);
}
}
public boolean isReady() {
return kpi.getDataProvider() != null && kpi.getDataProvider().isReady();
}
// UIBeanHandler interface
public String getBeanJSP() {
return this.viewJSP;
}
public void beforeRenderBean() {
// The displayer's title must be the kpi's description.
// So set it before render the component.
Locale locale = LocaleManager.currentLocale();
DataDisplayer kpiDisplayer = kpi.getDataDisplayer();
if (kpiDisplayer instanceof AbstractChartDisplayer) {
AbstractChartDisplayer displayer = (AbstractChartDisplayer) kpiDisplayer;
displayer.setTitle(kpi.getDescription(locale));
}
}
/**
* Listener that listen for changes made to the KPI instance.
*/
private class KPIViewerListener extends KPIListenerAdapter {
public void kpiSaved(KPI other) {
if (kpi != null && kpi.getCode().equals(other.getCode())) {
setKpi(other);
}
}
public void kpiDeleted(KPI other) {
if (kpi != null && kpi.getCode().equals(other.getCode())) {
setKpi(null);
}
}
}
}