/*
* 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 java.util.ArrayList;
import java.util.List;
import org.drools.eclipse.flow.common.editor.core.ElementConnection;
import org.drools.eclipse.flow.common.editor.core.ElementWrapper;
import org.eclipse.ui.views.properties.ComboBoxPropertyDescriptor;
import org.eclipse.ui.views.properties.IPropertyDescriptor;
import org.eclipse.ui.views.properties.TextPropertyDescriptor;
import org.jbpm.process.core.event.EventFilter;
import org.jbpm.process.core.event.EventTypeFilter;
import org.jbpm.workflow.core.node.EventNode;
/**
* Wrapper for a start node.
*/
public class EventNodeWrapper extends AbstractNodeWrapper {
private static final long serialVersionUID = 510l;
private static IPropertyDescriptor[] descriptors;
public static final String VARIABLE_NAME = "variableName";
public static final String EVENT_TYPE = "eventType";
public static final String SCOPE = "scope";
static {
descriptors = new IPropertyDescriptor[AbstractNodeWrapper.DESCRIPTORS.length + 3];
System.arraycopy(AbstractNodeWrapper.DESCRIPTORS, 0, descriptors, 0, AbstractNodeWrapper.DESCRIPTORS.length);
descriptors[descriptors.length - 3] =
new ComboBoxPropertyDescriptor(SCOPE, "Scope", new String[] { "internal", "external" });
descriptors[descriptors.length - 2] =
new TextPropertyDescriptor(VARIABLE_NAME, "VariableName");
descriptors[descriptors.length - 1] =
new TextPropertyDescriptor(EVENT_TYPE, "EventType");
}
public EventNodeWrapper() {
setNode(new EventNode());
setName("Event");
}
public EventNode getEventNode() {
return (EventNode) getNode();
}
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 IPropertyDescriptor[] getPropertyDescriptors() {
return descriptors;
}
public Object getPropertyValue(Object id) {
if (VARIABLE_NAME.equals(id)) {
String variableName = getEventNode().getVariableName();
return variableName == null ? "" : variableName;
}
if (EVENT_TYPE.equals(id)) {
if (getEventNode().getEventFilters().isEmpty()) {
return "";
}
return ((EventTypeFilter) getEventNode().getEventFilters().get(0)).getType();
}
if (SCOPE.equals(id)) {
return "external".equals(getEventNode().getScope()) ? 1 : 0;
}
return super.getPropertyValue(id);
}
public void resetPropertyValue(Object id) {
if (VARIABLE_NAME.equals(id)) {
getEventNode().setVariableName(null);
} else if (EVENT_TYPE.equals(id)) {
getEventNode().setEventFilters(new ArrayList<EventFilter>());
} else if (SCOPE.equals(id)) {
getEventNode().setScope("internal");
} else {
super.resetPropertyValue(id);
}
}
public void setPropertyValue(Object id, Object value) {
if (VARIABLE_NAME.equals(id)) {
getEventNode().setVariableName((String) value);
} else if (EVENT_TYPE.equals(id)) {
List<EventFilter> eventFilters = new ArrayList<EventFilter>();
EventTypeFilter eventFilter = new EventTypeFilter();
eventFilter.setType((String) value);
eventFilters.add(eventFilter);
getEventNode().setEventFilters(eventFilters);
} else if (SCOPE.equals(id)) {
getEventNode().setScope((Integer) value == 1 ? "external" : "internal");
} else {
super.setPropertyValue(id, value);
}
}
}