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org.primefaces.component.timeline.DefaultTimelineUpdater Maven / Gradle / Ivy
/*
* Copyright 2009-2016 PrimeTek.
*
* 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.primefaces.component.timeline;
import java.io.IOException;
import org.primefaces.context.RequestContext;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.event.PhaseEvent;
import javax.faces.event.PhaseId;
import javax.faces.event.PhaseListener;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.TimeZone;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.primefaces.model.timeline.TimelineEvent;
import org.primefaces.model.timeline.TimelineGroup;
import org.primefaces.util.ComponentUtils;
import org.primefaces.util.FastStringWriter;
public class DefaultTimelineUpdater extends TimelineUpdater implements PhaseListener {
private static final long serialVersionUID = 20130317L;
private static final Logger LOG = Logger.getLogger(DefaultTimelineUpdater.class.getName());
private String widgetVar;
private List crudOperationDatas;
@Override
public void add(TimelineEvent event) {
if (event == null) {
return;
}
checkCrudOperationDataList();
crudOperationDatas.add(new CrudOperationData(CrudOperation.ADD, event));
}
@Override
public void update(TimelineEvent event, int index) {
if (event == null) {
return;
}
checkCrudOperationDataList();
crudOperationDatas.add(new CrudOperationData(CrudOperation.UPDATE, event, index));
}
@Override
public void delete(int index) {
checkCrudOperationDataList();
crudOperationDatas.add(new CrudOperationData(CrudOperation.DELETE, index));
}
@Override
public void select(int index) {
checkCrudOperationDataList();
crudOperationDatas.add(new CrudOperationData(CrudOperation.SELECT, index));
}
@Override
public void clear() {
checkCrudOperationDataList();
crudOperationDatas.add(new CrudOperationData(CrudOperation.CLEAR));
}
public PhaseId getPhaseId() {
return PhaseId.RENDER_RESPONSE;
}
public void beforePhase(PhaseEvent event) {
if (crudOperationDatas == null) {
return;
}
FacesContext fc = event.getFacesContext();
StringBuilder sb = new StringBuilder();
FastStringWriter fsw = new FastStringWriter();
FastStringWriter fswHtml = new FastStringWriter();
Timeline timeline = (Timeline) fc.getViewRoot().findComponent(id);
TimelineRenderer timelineRenderer = ComponentUtils.getUnwrappedRenderer(
fc,
Timeline.COMPONENT_FAMILY,
"org.primefaces.component.TimelineRenderer",
TimelineRenderer.class);
Map groupsContent = null;
List groups = timeline.getValue().getGroups();
UIComponent groupFacet = timeline.getFacet("group");
if (groups != null && groupFacet != null) {
// buffer for groups' content
groupsContent = new HashMap();
}
TimeZone targetTZ = ComponentUtils.resolveTimeZone(timeline.getTimeZone());
TimeZone browserTZ = ComponentUtils.resolveTimeZone(timeline.getBrowserTimeZone());
try {
for (CrudOperationData crudOperationData : crudOperationDatas) {
switch (crudOperationData.getCrudOperation()) {
case ADD:
sb.append(";PF('");
sb.append(widgetVar);
sb.append("').addEvent(");
sb.append(timelineRenderer.encodeEvent(fc, fsw, fswHtml, timeline, browserTZ, targetTZ,
groups, groupFacet, groupsContent, crudOperationData.getEvent()));
sb.append(")");
break;
case UPDATE:
sb.append(";PF('");
sb.append(widgetVar);
sb.append("').changeEvent(");
sb.append(crudOperationData.getIndex());
sb.append(",");
sb.append(timelineRenderer.encodeEvent(fc, fsw, fswHtml, timeline, browserTZ, targetTZ,
groups, groupFacet, groupsContent, crudOperationData.getEvent()));
sb.append(")");
break;
case DELETE:
sb.append(";PF('");
sb.append(widgetVar);
sb.append("').deleteEvent(");
sb.append(crudOperationData.getIndex());
sb.append(")");
break;
case SELECT:
sb.append(";PF('");
sb.append(widgetVar);
sb.append("').setSelection(");
sb.append(crudOperationData.getIndex());
sb.append(")");
break;
case CLEAR:
sb.append(";PF('");
sb.append(widgetVar);
sb.append("').deleteAllEvents()");
break;
}
}
// execute JS script
RequestContext.getCurrentInstance().execute(sb.toString());
} catch (IOException e) {
LOG.log(Level.WARNING, "Timeline with id " + id + " could not be updated, at least one CRUD operation failed", e);
}
}
public void afterPhase(PhaseEvent event) {
// NOOP.
}
public void setWidgetVar(String widgetVar) {
this.widgetVar = widgetVar;
}
private void checkCrudOperationDataList() {
if (crudOperationDatas == null) {
crudOperationDatas = new ArrayList();
}
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
DefaultTimelineUpdater that = (DefaultTimelineUpdater) o;
if (widgetVar != null ? !widgetVar.equals(that.widgetVar) : that.widgetVar != null) {
return false;
}
return true;
}
@Override
public int hashCode() {
return widgetVar != null ? widgetVar.hashCode() : 0;
}
class CrudOperationData implements Serializable {
private CrudOperation crudOperation;
private TimelineEvent event;
private int index;
CrudOperationData(CrudOperation crudOperation) {
this.crudOperation = crudOperation;
}
CrudOperationData(CrudOperation crudOperation, TimelineEvent event) {
this.crudOperation = crudOperation;
this.event = event;
}
CrudOperationData(CrudOperation crudOperation, int index) {
this.crudOperation = crudOperation;
this.index = index;
}
CrudOperationData(CrudOperation crudOperation, TimelineEvent event, int index) {
this.crudOperation = crudOperation;
this.event = event;
this.index = index;
}
public CrudOperation getCrudOperation() {
return crudOperation;
}
public TimelineEvent getEvent() {
return event;
}
public int getIndex() {
return index;
}
}
enum CrudOperation {
ADD,
UPDATE,
DELETE,
SELECT,
CLEAR
}
}
