/*
* Copyright 2010 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.List;
import java.util.Map;
import org.drools.definition.process.NodeContainer;
import org.drools.eclipse.flow.common.editor.core.DefaultElementWrapper;
import org.drools.eclipse.flow.common.editor.core.ElementConnection;
import org.drools.eclipse.flow.common.editor.core.ElementContainerElementWrapper;
import org.drools.eclipse.flow.common.editor.core.ElementWrapper;
import org.drools.eclipse.flow.ruleflow.view.property.action.OnEntryActionsPropertyDescriptor;
import org.drools.eclipse.flow.ruleflow.view.property.action.OnExitActionsPropertyDescriptor;
import org.drools.eclipse.flow.ruleflow.view.property.timers.TimersPropertyDescriptor;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.ui.views.properties.IPropertyDescriptor;
import org.jbpm.process.core.timer.Timer;
import org.jbpm.ruleflow.core.RuleFlowProcess;
import org.jbpm.workflow.core.DroolsAction;
import org.jbpm.workflow.core.Node;
import org.jbpm.workflow.core.WorkflowProcess;
import org.jbpm.workflow.core.impl.ExtendedNodeImpl;
import org.jbpm.workflow.core.node.CompositeNode;
public abstract class CompositeNodeWrapper extends ElementContainerElementWrapper implements NodeWrapper {
public static final String ON_ENTRY_ACTIONS = "OnEntryActions";
public static final String ON_EXIT_ACTIONS = "OnExitActions";
public static final String TIMERS = "Timers";
protected IPropertyDescriptor[] descriptors;
private static final long serialVersionUID = 510l;
public void setNode(Node node) {
setElement(node);
}
public Node getNode() {
return (Node) getElement();
}
public boolean isFullProperties() {
Node node = getNode();
NodeContainer container = node.getNodeContainer();
while (!(container instanceof RuleFlowProcess)) {
if (container instanceof Node) {
container = ((Node) container).getNodeContainer();
} else {
return false;
}
}
// not full properties for BPMN2 process, which is set to autocomplete = true
return !((RuleFlowProcess) container).isAutoComplete();
}
public String getId() {
long id = getNode().getId();
return id == -1 ? null : getNode().getId() + "";
}
public String getName() {
return getNode().getName();
}
public void internalSetName(String name) {
getNode().setName(name);
notifyListeners(CHANGE_NAME);
}
protected void internalSetConstraint(Rectangle constraint) {
Node node = getNode();
node.setMetaData("x", constraint.x);
node.setMetaData("y", constraint.y);
node.setMetaData("width", constraint.width);
node.setMetaData("height", constraint.height);
}
public Rectangle internalGetConstraint() {
Node node = getNode();
Integer x = (Integer) node.getMetaData("x");
Integer y = (Integer) node.getMetaData("y");
Integer width = (Integer) node.getMetaData("width");
Integer height = (Integer) node.getMetaData("height");
return new Rectangle(
x == null ? 0 : x,
y == null ? 0 : y,
width == null ? -1 : width,
height == null ? -1 : height);
}
public CompositeNode getCompositeNode() {
return (CompositeNode) getNode();
}
public boolean acceptsIncomingConnection(ElementConnection connection, ElementWrapper source) {
return getIncomingConnections().isEmpty()
&& (source == null
|| ((NodeWrapper) source).getNode().getNodeContainer() == getNode().getNodeContainer()
|| ((NodeWrapper) source).getNode().getNodeContainer() == getNode());
}
public boolean acceptsOutgoingConnection(ElementConnection connection, ElementWrapper target) {
return getOutgoingConnections().isEmpty()
&& (target == null
|| ((NodeWrapper) target).getNode().getNodeContainer() == getNode().getNodeContainer()
|| ((NodeWrapper) target).getNode().getNodeContainer() == getNode());
}
protected void internalAddElement(ElementWrapper element) {
getCompositeNode().addNode(((NodeWrapper) element).getNode());
}
protected void internalRemoveElement(ElementWrapper element) {
getCompositeNode().removeNode(((NodeWrapper) element).getNode());
}
public IPropertyDescriptor[] getPropertyDescriptors() {
if (descriptors == null) {
initDescriptors();
}
return descriptors;
}
protected void initDescriptors() {
IPropertyDescriptor[] oldDescriptors = DefaultElementWrapper.DESCRIPTORS;
descriptors = new IPropertyDescriptor[oldDescriptors.length + 3];
System.arraycopy(oldDescriptors, 0, descriptors, 0, oldDescriptors.length);
descriptors[descriptors.length - 3] = new OnEntryActionsPropertyDescriptor(
ON_ENTRY_ACTIONS, "On Entry Actions", getCompositeNode(),
(WorkflowProcess) getParent().getProcessWrapper().getProcess());
descriptors[descriptors.length - 2] = new OnExitActionsPropertyDescriptor(
ON_EXIT_ACTIONS, "On Exit Actions", getCompositeNode(),
(WorkflowProcess) getParent().getProcessWrapper().getProcess());
descriptors[descriptors.length - 1] =
new TimersPropertyDescriptor(TIMERS, "Timers", getCompositeNode(),
(WorkflowProcess) getParent().getProcessWrapper().getProcess());
}
public Object getPropertyValue(Object id) {
if (ON_ENTRY_ACTIONS.equals(id)) {
return getCompositeNode().getActions(ExtendedNodeImpl.EVENT_NODE_ENTER);
}
if (ON_EXIT_ACTIONS.equals(id)) {
return getCompositeNode().getActions(ExtendedNodeImpl.EVENT_NODE_EXIT);
}
if (TIMERS.equals(id)) {
return getCompositeNode().getTimers();
}
return super.getPropertyValue(id);
}
public void resetPropertyValue(Object id) {
if (ON_ENTRY_ACTIONS.equals(id)) {
getCompositeNode().setActions(ExtendedNodeImpl.EVENT_NODE_ENTER, null);
} else if (ON_EXIT_ACTIONS.equals(id)) {
getCompositeNode().setActions(ExtendedNodeImpl.EVENT_NODE_EXIT, null);
} else if (TIMERS.equals(id)) {
getCompositeNode().removeAllTimers();
} else {
super.resetPropertyValue(id);
}
}
@SuppressWarnings("unchecked")
public void setPropertyValue(Object id, Object value) {
if (ON_ENTRY_ACTIONS.equals(id)) {
getCompositeNode().setActions(ExtendedNodeImpl.EVENT_NODE_ENTER, (List<DroolsAction>) value);
} else if (ON_EXIT_ACTIONS.equals(id)) {
getCompositeNode().setActions(ExtendedNodeImpl.EVENT_NODE_EXIT, (List<DroolsAction>) value);
} else if (TIMERS.equals(id)) {
getCompositeNode().removeAllTimers();
// adding one by one so the ids are set correctly
for (Map.Entry<Timer, DroolsAction> entry: ((Map<Timer, DroolsAction>) value).entrySet()) {
getCompositeNode().addTimer(entry.getKey(), entry.getValue());
}
} else {
super.setPropertyValue(id, value);
}
}
}