/**
* 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.panel.dashboard;
import org.jboss.dashboard.ui.Dashboard;
import org.jboss.dashboard.ui.DashboardFilter;
import org.jboss.dashboard.ui.components.DashboardFilterProperty;
import org.jboss.dashboard.ui.components.DashboardHandler;
import org.jboss.dashboard.ui.controller.responses.ShowPanelPage;
import org.jboss.dashboard.ui.panel.DashboardDriver;
import org.jboss.dashboard.provider.DataProvider;
import org.jboss.dashboard.workspace.*;
import org.jboss.dashboard.ui.panel.PanelDriver;
import org.jboss.dashboard.ui.panel.PanelProvider;
import org.jboss.dashboard.ui.panel.parameters.StringParameter;
import org.jboss.dashboard.ui.controller.CommandResponse;
import org.jboss.dashboard.ui.controller.CommandRequest;
import org.jboss.dashboard.ui.components.DashboardFilterHandler;
import org.jboss.dashboard.workspace.Panel;
import org.jboss.dashboard.workspace.PanelInstance;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.*;
public class DashboardFilterDriver extends PanelDriver implements DashboardDriver {
/** The logger */
protected static transient org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(DashboardFilterDriver.class.getName());
public DashboardFilterHandler getDashboardFilterHandler(Panel panel) {
String code = panel.getParameterValue(DashboardFilter.FILTER_HANDLER_CODE);
return DashboardFilterHandler.lookup(code);
}
public void init(PanelProvider provider) throws Exception {
super.init(provider);
addParameter(new StringParameter(provider, DashboardFilter.FILTER_HANDLER_CODE, false, false));
}
public boolean supportsEditMode(Panel panel) {
return true;
}
protected void beforeRenderPanel(Panel panel, HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) {
super.beforeRenderPanel(panel, httpServletRequest, httpServletResponse);
initDashboardFilterHandler(panel);
}
protected void initDashboardFilterHandler(Panel panel) {
DashboardFilterHandler handler = getDashboardFilterHandler(panel);
// Check if same panel is in different sections.
if (checkPanelDuplicated(panel)) handler.setPanelDuplicated(true);
else handler.setPanelDuplicated(false);
// Check if component have not been deserialized yet. If so then load its persistent status.
if (handler.getSerializedProperties() == null) {
try {
boolean needsToReserialize = handler.deserializeComponentData((String) panel.getContentData());
if (needsToReserialize) saveDashboardFilterHandler(panel);
} catch (Exception e) {
log.error("Error deserializing visible properties for dashboard filter.", e);
}
}
}
protected boolean checkPanelDuplicated(Panel panel) {
PanelInstance instance = panel.getInstance();
Set sections = new HashSet();
Panel[] panels = instance.getAllPanels();
for (int i = 0; i < panels.length; i++) {
Panel panel1 = panels[i];
sections.add(panel1.getSection());
}
return sections.size() > 1;
}
public void saveDashboardFilterHandler(Panel panel) throws Exception {
DashboardFilterHandler handler = getDashboardFilterHandler(panel);
handler.serializeComponentData();
String serializedStr = handler.getSerializedProperties();
panel.setContentData(serializedStr);
}
@Override
public void activateEditMode(Panel panel, CommandRequest request) throws Exception {
super.activateEditMode(panel, request);
DashboardFilterHandler handler = getDashboardFilterHandler(panel);
handler.enableEditMode();
}
@Override
public void activateNormalMode(Panel panel, CommandRequest commandRequest) throws Exception {
super.activateNormalMode(panel, commandRequest);
DashboardFilterHandler handler = getDashboardFilterHandler(panel);
handler.enableShowMode();
}
public CommandResponse actionStore(Panel panel, CommandRequest request) throws Exception {
saveDashboardFilterHandler(panel);
return new ShowPanelPage();
}
// DashboardDriver interface
public Set<DataProvider> getDataProvidersUsed(Panel panel) throws Exception {
Set<DataProvider> results = new HashSet<DataProvider>();
Dashboard dashboard = DashboardHandler.lookup().getCurrentDashboard();
DashboardFilterHandler handler = dashboard.getDashboardFilter().getHandler(panel);
for (DashboardFilterProperty filterProperty : handler.getVisibleProperties()) {
DataProvider dataProvider = filterProperty.getDataProperty().getDataSet().getDataProvider();
results.add(dataProvider);
}
return results;
}
}