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org.primefaces.component.timeline.DefaultTimelineUpdater Maven / Gradle / Ivy
/*
* The MIT License
*
* Copyright (c) 2009-2023 PrimeTek Informatics
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.primefaces.component.timeline;
import java.io.IOException;
import java.io.Serializable;
import java.time.ZoneId;
import java.util.*;
import java.util.function.Consumer;
import java.util.logging.Level;
import java.util.logging.Logger;
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 org.primefaces.PrimeFaces;
import org.primefaces.model.timeline.TimelineEvent;
import org.primefaces.model.timeline.TimelineGroup;
import org.primefaces.model.timeline.TimelineModel;
import org.primefaces.util.CalendarUtils;
import org.primefaces.util.ComponentUtils;
import org.primefaces.util.EscapeUtils;
import org.primefaces.util.FastStringWriter;
public class DefaultTimelineUpdater extends TimelineUpdater implements PhaseListener {
private static final long serialVersionUID = 20130317L;
private static final Logger LOGGER = Logger.getLogger(DefaultTimelineUpdater.class.getName());
private String widgetVar;
private List crudOperationDatas;
enum CrudOperation {
ADD,
UPDATE,
DELETE,
SELECT,
CLEAR
}
@Override
public void add(TimelineEvent event) {
if (event == null) {
return;
}
checkCrudOperationDataList();
crudOperationDatas.add(new CrudOperationData(CrudOperation.ADD, event));
}
@Override
public void update(TimelineEvent event) {
if (event == null) {
return;
}
checkCrudOperationDataList();
crudOperationDatas.add(new CrudOperationData(CrudOperation.UPDATE, event));
}
@Override
public void delete(String id) {
checkCrudOperationDataList();
crudOperationDatas.add(new CrudOperationData(CrudOperation.DELETE, id));
}
@Override
public void select(String id) {
checkCrudOperationDataList();
crudOperationDatas.add(new CrudOperationData(CrudOperation.SELECT, id));
}
@Override
public void clear() {
checkCrudOperationDataList();
crudOperationDatas.add(new CrudOperationData(CrudOperation.CLEAR));
}
@Override
public PhaseId getPhaseId() {
return PhaseId.ANY_PHASE;
}
@Override
public void beforePhase(PhaseEvent event) {
if (PhaseId.APPLY_REQUEST_VALUES.equals(event.getPhaseId())) {
populateTimelineUpdater(event.getFacesContext());
}
else if (PhaseId.RENDER_RESPONSE.equals(event.getPhaseId())) {
processCrudOperations(event.getFacesContext());
}
}
private void populateTimelineUpdater(FacesContext context) {
Map map = (Map) context.getAttributes().get(TimelineUpdater.class.getName());
if (map == null) {
map = new HashMap<>();
context.getAttributes().put(TimelineUpdater.class.getName(), map);
}
if (!map.containsKey(widgetVar)) {
map.put(widgetVar, this);
}
}
private void processCrudOperations(FacesContext context) {
if (crudOperationDatas == null) {
return;
}
StringBuilder sb = new StringBuilder();
Timeline timeline = (Timeline) context.getViewRoot().findComponent(id);
TimelineRenderer timelineRenderer = ComponentUtils.getUnwrappedRenderer(
context,
Timeline.COMPONENT_FAMILY,
Timeline.DEFAULT_RENDERER);
TimelineModel model = timeline.getValue();
List> groups = timelineRenderer.calculateGroupsFromModel(model);
UIComponent groupFacet = timeline.getFacet("group");
// buffer for groups' content
Map groupsContent = new HashMap<>();
UIComponent eventTitleFacet = timeline.getFacet("eventTitle");
ZoneId zoneId = CalendarUtils.calculateZoneId(timeline.getTimeZone());
try (FastStringWriter fsw = new FastStringWriter();
FastStringWriter fswHtml = new FastStringWriter()) {
Consumer updateGroupIfNecessary = data -> {
TimelineGroup foundGroup = null;
if (data.getEvent().getGroup() != null) {
Integer orderGroup = null;
for (int i = 0; i < groups.size(); i++) {
TimelineGroup group = groups.get(i);
if (group.getId() != null && group.getId().equals(data.getEvent().getGroup())) {
orderGroup = i;
foundGroup = group;
break;
}
}
if (foundGroup != null) {
//If groups was not set in model then order by content.
orderGroup = model.getGroups() != null ? orderGroup : null;
sb.append(";PF('");
sb.append(widgetVar);
sb.append("').updateGroup(");
try {
sb.append(timelineRenderer.encodeGroup(context, fsw, fswHtml, timeline, groupFacet, groupsContent, foundGroup, orderGroup));
}
catch (IOException e) {
LOGGER.log(Level.WARNING, e, () -> "Timeline with id " + id + " could not be updated, at least one CRUD operation failed");
}
sb.append(")");
}
}
};
boolean renderComponent = false;
for (CrudOperationData crudOperationData : crudOperationDatas) {
switch (crudOperationData.getCrudOperation()) {
case ADD:
updateGroupIfNecessary.accept(crudOperationData);
sb.append(";PF('");
sb.append(widgetVar);
sb.append("').addEvent(");
sb.append(EscapeUtils.forCDATA(timelineRenderer.encodeEvent(context, fsw, fswHtml, timeline, eventTitleFacet, zoneId,
groups, crudOperationData.getEvent())));
sb.append(")");
renderComponent = true;
break;
case UPDATE:
updateGroupIfNecessary.accept(crudOperationData);
sb.append(";PF('");
sb.append(widgetVar);
sb.append("').changeEvent(");
sb.append(EscapeUtils.forCDATA(timelineRenderer.encodeEvent(context, fsw, fswHtml, timeline, eventTitleFacet, zoneId,
groups, crudOperationData.getEvent())));
sb.append(")");
renderComponent = true;
break;
case DELETE:
sb.append(";PF('");
sb.append(widgetVar);
sb.append("').deleteEvent(\"");
sb.append(EscapeUtils.forJavaScript(crudOperationData.calculateId()));
sb.append("\")");
renderComponent = true;
break;
case SELECT:
sb.append(";PF('");
sb.append(widgetVar);
sb.append("').setSelection(\"");
sb.append(EscapeUtils.forJavaScript(crudOperationData.calculateId()));
sb.append("\")");
break;
case CLEAR:
sb.append(";PF('");
sb.append(widgetVar);
sb.append("').deleteAllEvents()");
break;
}
}
if (renderComponent) {
sb.append(";PF('");
sb.append(widgetVar);
sb.append("').renderTimeline()");
}
// execute JS script
PrimeFaces.current().executeScript(sb.toString());
}
catch (IOException e) {
LOGGER.log(Level.WARNING, e, () -> "Timeline with id " + id + " could not be updated, at least one CRUD operation failed");
}
}
@Override
public void afterPhase(PhaseEvent event) {
// NOOP.
}
public String getWidgetVar() {
return widgetVar;
}
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;
return !(widgetVar != null ? !widgetVar.equals(that.widgetVar) : that.widgetVar != null);
}
@Override
public int hashCode() {
return widgetVar != null ? widgetVar.hashCode() : 0;
}
static class CrudOperationData implements Serializable {
private static final long serialVersionUID = 1L;
private final CrudOperation crudOperation;
private final TimelineEvent event;
private final String id;
CrudOperationData(CrudOperation crudOperation) {
this(crudOperation, null, null);
}
CrudOperationData(CrudOperation crudOperation, TimelineEvent event) {
this(crudOperation, event, event.getId());
}
CrudOperationData(CrudOperation crudOperation, String id) {
this(crudOperation, null, id);
}
private CrudOperationData(CrudOperation crudOperation, TimelineEvent event, String id) {
this.crudOperation = crudOperation;
this.event = event;
this.id = id;
}
CrudOperation getCrudOperation() {
return crudOperation;
}
TimelineEvent getEvent() {
return event;
}
String calculateId() {
return id;
}
}
}
