/*
* Copyright 2005 Red Hat, Inc. and/or its affiliates.
*
* 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.HashMap;
import java.util.Map;
import java.util.Set;
import org.drools.eclipse.flow.common.editor.core.ElementConnection;
import org.drools.eclipse.flow.common.editor.core.ElementWrapper;
import org.drools.eclipse.flow.ruleflow.view.property.workitem.WorkItemParameterMappingPropertyDescriptor;
import org.drools.eclipse.flow.ruleflow.view.property.workitem.WorkItemResultMappingPropertyDescriptor;
import org.drools.core.process.core.ParameterDefinition;
import org.drools.core.process.core.Work;
import org.drools.core.process.core.WorkDefinition;
import org.drools.core.process.core.datatype.DataType;
import org.drools.core.process.core.impl.WorkImpl;
import org.eclipse.ui.views.properties.ComboBoxPropertyDescriptor;
import org.eclipse.ui.views.properties.IPropertyDescriptor;
import org.eclipse.ui.views.properties.TextPropertyDescriptor;
import org.jbpm.workflow.core.Node;
import org.jbpm.workflow.core.node.WorkItemNode;
/**
* Wrapper for a work item node.
*/
public class WorkItemWrapper extends StateBasedNodeWrapper {
public static final String WAIT_FOR_COMPLETION = "WaitForCompletion";
public static final String RESULT_MAPPING = "ResultMapping";
public static final String PARAMETER_MAPPING = "ParameterMapping";
private static final long serialVersionUID = 510l;
private WorkDefinition workDefinition;
public WorkItemWrapper() {
setNode(new WorkItemNode());
}
public WorkItemNode getWorkItemNode() {
return (WorkItemNode) getNode();
}
public void setNode(Node node) {
super.setNode(node);
if (this.workDefinition != null) {
Work work = getWorkItemNode().getWork();
if (work == null) {
work = new WorkImpl();
work.setName(workDefinition.getName());
getWorkItemNode().setWork(work);
}
work.setParameterDefinitions(workDefinition.getParameters());
}
}
public void setWorkDefinition(WorkDefinition workDefinition) {
this.workDefinition = workDefinition;
Work work = getWorkItemNode().getWork();
if (work == null) {
work = new WorkImpl();
work.setName(workDefinition.getName());
getWorkItemNode().setWork(work);
}
work.setParameterDefinitions(workDefinition.getParameters());
}
public WorkDefinition getWorkDefinition() {
return this.workDefinition;
}
private boolean workParameterExists(String parameterName) {
if (workDefinition != null) {
return workDefinition.getParameter(parameterName) != null;
}
return false;
}
protected void initDescriptors() {
super.initDescriptors();
Set<ParameterDefinition> parameters = workDefinition.getParameters();
IPropertyDescriptor[] oldDescriptors = descriptors;
boolean fullProps = isFullProperties();
descriptors = new IPropertyDescriptor[oldDescriptors.length + parameters.size() + (fullProps ? 5 : 4)];
System.arraycopy(oldDescriptors, 0, descriptors, 0, oldDescriptors.length);
int i = 0;
for (ParameterDefinition def: parameters) {
descriptors[oldDescriptors.length + (i++)] =
new TextPropertyDescriptor(def.getName(), def.getName());
}
if (fullProps) {
descriptors[descriptors.length - 5] =
new ComboBoxPropertyDescriptor(WAIT_FOR_COMPLETION, "Wait for completion", new String[] {"true", "false"});
}
descriptors[descriptors.length - 4] = getOnEntryPropertyDescriptor();
descriptors[descriptors.length - 3] = getOnExitPropertyDescriptor();
descriptors[descriptors.length - 2] =
new WorkItemParameterMappingPropertyDescriptor(PARAMETER_MAPPING, "Parameter Mapping", getWorkItemNode());
descriptors[descriptors.length - 1] =
new WorkItemResultMappingPropertyDescriptor(RESULT_MAPPING, "Result Mapping", getWorkItemNode());
}
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) {
if (WAIT_FOR_COMPLETION.equals(id)) {
return getWorkItemNode().isWaitForCompletion() ? new Integer(0) : new Integer(1);
} else if (PARAMETER_MAPPING.equals(id)) {
return getWorkItemNode().getInMappings();
} else if (RESULT_MAPPING.equals(id)) {
return getWorkItemNode().getOutMappings();
} else if (id instanceof String) {
String name = (String) id;
if (workParameterExists(name)) {
DataType type = getWorkItemNode().getWork().getParameterDefinition(name).getType();
Object value = getWorkItemNode().getWork().getParameter(name);
if (value == null) {
return "";
}
return type.writeValue(value);
}
}
return super.getPropertyValue(id);
}
public void resetPropertyValue(Object id) {
if (WAIT_FOR_COMPLETION.equals(id)) {
getWorkItemNode().setWaitForCompletion(true);
} else if (PARAMETER_MAPPING.equals(id)) {
getWorkItemNode().setInMappings(new HashMap<String, String>());
} else if (RESULT_MAPPING.equals(id)) {
getWorkItemNode().setOutMappings(new HashMap<String, String>());
} else if (id instanceof String && workParameterExists((String) id)) {
getWorkItemNode().getWork().setParameter((String) id, null);
} else {
super.resetPropertyValue(id);
}
}
@SuppressWarnings("unchecked")
public void setPropertyValue(Object id, Object value) {
if (WAIT_FOR_COMPLETION.equals(id)) {
getWorkItemNode().setWaitForCompletion(((Integer) value).intValue() == 0);
} else if (PARAMETER_MAPPING.equals(id)) {
getWorkItemNode().setInMappings((Map<String, String>) value);
} else if (RESULT_MAPPING.equals(id)) {
getWorkItemNode().setOutMappings((Map<String, String>) value);
} else if (id instanceof String && workParameterExists((String) id)) {
DataType type = getWorkItemNode().getWork().getParameterDefinition((String) id).getType();
getWorkItemNode().getWork().setParameter((String) id, type.readValue((String) value));
} else {
super.setPropertyValue(id, value);
}
}
}