/*
* Copyright 2005 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.drools.eclipse.flow.ruleflow.core;
import org.drools.eclipse.flow.common.editor.core.ElementConnection;
import org.drools.eclipse.flow.common.editor.core.ElementWrapper;
import org.eclipse.ui.views.properties.IPropertyDescriptor;
import org.eclipse.ui.views.properties.TextPropertyDescriptor;
import org.jbpm.process.core.timer.Timer;
import org.jbpm.workflow.core.node.TimerNode;
/**
* Wrapper for a timer node.
*/
public class TimerWrapper extends AbstractNodeWrapper {
private static final long serialVersionUID = 510l;
private IPropertyDescriptor[] descriptors;
public static final String TIMER_DELAY = "TimerDelay";
public static final String TIMER_PERIOD = "TimerPeriod";
public TimerWrapper() {
setNode(new TimerNode());
getTimerNode().setName("Timer");
getTimerNode().setTimer(new Timer());
}
private void setDescriptors() {
descriptors = new IPropertyDescriptor[AbstractNodeWrapper.DESCRIPTORS.length + 2];
System.arraycopy(AbstractNodeWrapper.DESCRIPTORS, 0, descriptors, 0, AbstractNodeWrapper.DESCRIPTORS.length);
descriptors[descriptors.length - 2] =
new TextPropertyDescriptor(TIMER_DELAY, "Timer Delay");
descriptors[descriptors.length - 1] =
new TextPropertyDescriptor(TIMER_PERIOD, "Timer Period");
}
public TimerNode getTimerNode() {
return (TimerNode) getNode();
}
public IPropertyDescriptor[] getPropertyDescriptors() {
if (descriptors == null) {
setDescriptors();
}
return descriptors;
}
public boolean acceptsIncomingConnection(ElementConnection connection, ElementWrapper source) {
return super.acceptsIncomingConnection(connection, source)
&& getIncomingConnections().isEmpty();
}
public boolean acceptsOutgoingConnection(ElementConnection connection, ElementWrapper target) {
return super.acceptsOutgoingConnection(connection, target)
&& getOutgoingConnections().isEmpty();
}
public Object getPropertyValue(Object id) {
Timer timer = getTimerNode().getTimer();
if (TIMER_DELAY.equals(id)) {
return timer == null ? "" :
(timer.getDelay() == null? "" : timer.getDelay());
}
if (TIMER_PERIOD.equals(id)) {
return timer == null ? "" :
(timer.getPeriod() == null ? "" : timer.getPeriod());
}
return super.getPropertyValue(id);
}
public void resetPropertyValue(Object id) {
Timer timer = getTimerNode().getTimer();
if (TIMER_DELAY.equals(id)) {
if (timer == null) {
timer = new Timer();
getTimerNode().setTimer(timer);
} else {
timer.setDelay(null);
}
} else if (TIMER_PERIOD.equals(id)) {
if (timer == null) {
timer = new Timer();
getTimerNode().setTimer(timer);
} else {
timer.setPeriod(null);
}
} else {
super.resetPropertyValue(id);
}
}
public void setPropertyValue(Object id, Object value) {
Timer timer = getTimerNode().getTimer();
if (timer == null) {
timer = new Timer();
getTimerNode().setTimer(timer);
}
if (TIMER_DELAY.equals(id)) {
String s = ((String) value).trim();
if (s.length() == 0) {
s = null;
}
timer.setDelay(s);
} else if (TIMER_PERIOD.equals(id)) {
String s = ((String) value).trim();
if (s.length() == 0) {
s = null;
}
timer.setPeriod(s);
} else {
super.setPropertyValue(id, value);
}
}
}