/*
* 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.HashMap;
import java.util.Map;
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.ElementWrapper;
import org.drools.eclipse.flow.ruleflow.view.property.metadata.MetaDataPropertyDescriptor;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.views.properties.IPropertyDescriptor;
import org.jbpm.ruleflow.core.RuleFlowProcess;
import org.jbpm.workflow.core.Node;
import org.jbpm.workflow.core.impl.NodeImpl;
import org.kie.definition.process.NodeContainer;
/**
* Wrapper for a node.
*/
public abstract class AbstractNodeWrapper extends DefaultElementWrapper implements NodeWrapper {
private static final long serialVersionUID = 510l;
public static IPropertyDescriptor[] DESCRIPTORS;
public static final String METADATA = "MetaData";
static {
DESCRIPTORS = new IPropertyDescriptor[DefaultElementWrapper.DESCRIPTORS.length + 1];
System.arraycopy(DefaultElementWrapper.DESCRIPTORS, 0, DESCRIPTORS, 0, DefaultElementWrapper.DESCRIPTORS.length);
DESCRIPTORS[DESCRIPTORS.length - 1] =
new MetaDataPropertyDescriptor(METADATA, "MetaData");
}
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);
}
public Color internalGetColor() {
Integer rgb = (Integer) getNode().getMetaData().get("color");
if (rgb != null) {
return new Color(Display.getCurrent(), integerToRGB(rgb));
}
return null;
}
protected void internalSetColor(Integer color) {
getNode().setMetaData("color", color);
}
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().get("x");
Integer y = (Integer) node.getMetaData().get("y");
Integer width = (Integer) node.getMetaData().get("width");
Integer height = (Integer) node.getMetaData().get("height");
return new Rectangle(
x == null ? 0 : x,
y == null ? 0 : y,
width == null ? -1 : width,
height == null ? -1 : height);
}
public boolean acceptsIncomingConnection(ElementConnection connection, ElementWrapper source) {
return source == null
|| source.getParent() == getParent()
|| getParent() == source;
}
public boolean acceptsOutgoingConnection(ElementConnection connection, ElementWrapper target) {
return target == null
|| ((NodeWrapper) target).getNode().getNodeContainer() == getNode().getNodeContainer()
|| ((NodeWrapper) target).getNode() == getNode().getNodeContainer();
}
public IPropertyDescriptor[] getPropertyDescriptors() {
return DESCRIPTORS;
}
public Object getPropertyValue(Object id) {
if (METADATA.equals(id)) {
return ((NodeImpl) getNode()).getMetaData();
}
return super.getPropertyValue(id);
}
public void resetPropertyValue(Object id) {
if (METADATA.equals(id)) {
((NodeImpl) getNode()).setMetaData(new HashMap<String, Object>());
} else {
super.resetPropertyValue(id);
}
}
public void setPropertyValue(Object id, Object value) {
if (METADATA.equals(id)) {
((NodeImpl) getNode()).setMetaData((Map<String, Object>) value);
} else {
super.setPropertyValue(id, value);
}
}
}