/*
* (c) Copyright 2010-2011 AgileBirds
*
* This file is part of OpenFlexo.
*
* OpenFlexo is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* OpenFlexo is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenFlexo. If not, see <http://www.gnu.org/licenses/>.
*
*/
package org.openflexo.components.browser.wkf;
import java.util.Enumeration;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.Icon;
import javax.swing.tree.TreePath;
import org.openflexo.components.browser.BrowserElement;
import org.openflexo.components.browser.BrowserElementType;
import org.openflexo.components.browser.ExpansionSynchronizedElement;
import org.openflexo.components.browser.ProjectBrowser;
import org.openflexo.foundation.DataModification;
import org.openflexo.foundation.FlexoObservable;
import org.openflexo.foundation.wkf.action.OpenActionLevel;
import org.openflexo.foundation.wkf.action.OpenExecutionPetriGraph;
import org.openflexo.foundation.wkf.dm.ObjectVisibilityChanged;
import org.openflexo.foundation.wkf.dm.PetriGraphHasBeenClosed;
import org.openflexo.foundation.wkf.dm.PetriGraphHasBeenOpened;
import org.openflexo.foundation.wkf.edge.FlexoPostCondition;
import org.openflexo.foundation.wkf.node.AbstractNode;
import org.openflexo.foundation.wkf.node.ActionNode;
import org.openflexo.foundation.wkf.node.FlexoPreCondition;
import org.openflexo.foundation.wkf.node.OperationNode;
import org.openflexo.foundation.wkf.node.PetriGraphNode;
import org.openflexo.foundation.wkf.node.SelfExecutableNode;
import org.openflexo.icon.WKFIconLibrary;
/**
* Browser element representing an Operation Node
*
* @author sguerin
*
*/
public class OperationNodeElement extends BrowserElement implements ExpansionSynchronizedElement {
static final Logger logger = Logger.getLogger(OperationNodeElement.class.getPackage().getName());
public OperationNodeElement(OperationNode node, ProjectBrowser browser, BrowserElement parent) {
super(node, BrowserElementType.OPERATION_NODE, browser, parent);
}
@Override
public TreePath getTreePath() {
return super.getTreePath();
}
private boolean isObserving = false;
private void addObserver() {
if (isObserving) {
return;
}
if (getOperationNode().getActionPetriGraph() != null) {
getOperationNode().getActionPetriGraph().addObserver(this);
isObserving = true;
} else if (getOperationNode() instanceof SelfExecutableNode
&& ((SelfExecutableNode) getOperationNode()).getExecutionPetriGraph() != null) {
((SelfExecutableNode) getOperationNode()).getExecutionPetriGraph().addObserver(this);
isObserving = true;
}
}
@Override
public void delete() {
if (getOperationNode().getActionPetriGraph() != null) {
getOperationNode().getActionPetriGraph().deleteObserver(this);
isObserving = false;
} else if (getOperationNode() instanceof SelfExecutableNode
&& ((SelfExecutableNode) getOperationNode()).getExecutionPetriGraph() != null) {
((SelfExecutableNode) getOperationNode()).getExecutionPetriGraph().deleteObserver(this);
isObserving = false;
}
super.delete();
}
@Override
protected void buildChildrenVector() {
if (logger.isLoggable(Level.FINER)) {
logger.finer("Building children for operation " + getName());
}
// We add component
if (getOperationNode().hasWOComponent()) {
if (getOperationNode().getComponentInstance().getComponentDefinition() != null) {
addToChilds(getOperationNode().getComponentInstance().getComponentDefinition());
}
}
// We add action nodes
if (getOperationNode().getActionPetriGraph() != null) {
addObserver();
for (Enumeration<PetriGraphNode> e = getOperationNode().getActionPetriGraph().getSortedNodes(); e.hasMoreElements();) {
PetriGraphNode node = e.nextElement();
if (node instanceof ActionNode) {
addToChilds(node);
}
}
} else if (getOperationNode() instanceof SelfExecutableNode
&& ((SelfExecutableNode) getOperationNode()).getExecutionPetriGraph() != null) {
addObserver();
Enumeration<PetriGraphNode> en = ((SelfExecutableNode) getOperationNode()).getExecutionPetriGraph().getSortedNodes();
while (en.hasMoreElements()) {
addToChilds(en.nextElement());
}
}
/* // We add operator nodes
for (Enumeration e = getOperationNode().getAllOperatorNodes().elements(); e.hasMoreElements();) {
OperatorNode operatorNode = (OperatorNode) e.nextElement();
addToChilds(operatorNode);
}
// We add event nodes
for (Enumeration e = getOperationNode().getAllEventNodes().elements(); e.hasMoreElements();) {
EventNode eventNode = (EventNode) e.nextElement();
addToChilds(eventNode);
}
*/
// We add pre conditions
for (Enumeration<FlexoPreCondition> e = getOperationNode().getPreConditions().elements(); e.hasMoreElements();) {
addToChilds(e.nextElement());
}
// We add post conditions
for (Enumeration<FlexoPostCondition<AbstractNode, AbstractNode>> e = getOperationNode().getOutgoingPostConditions().elements(); e
.hasMoreElements();) {
addToChilds(e.nextElement());
}
}
@Override
public String getName() {
if (getOperationNode().getName() == null) {
return getOperationNode().getDefaultName();
}
return getOperationNode().getName();
}
protected OperationNode getOperationNode() {
return (OperationNode) getObject();
}
@Override
public Icon getIcon() {
if (getOperationNode() instanceof SelfExecutableNode) {
return decorateIcon(WKFIconLibrary.SELF_EXECUTABLE_ICON);
} else if (getOperationNode().isBeginNode()) {
return WKFIconLibrary.BEGIN_OPERATION_ICON;
} else if (getOperationNode().isEndNode()) {
return WKFIconLibrary.END_OPERATION_ICON;
} else {
return super.getIcon();
}
}
@Override
public boolean isExpansionSynchronizedWithData() {
if (_browser.getSelectionManager() != null) {
return getOperationNode().getProcess() == _browser.getSelectionManager().getRootFocusedObject();
}
return false;
}
@Override
public boolean isExpanded() {
if (getOperationNode() instanceof SelfExecutableNode) {
return ((SelfExecutableNode) getOperationNode()).hasExecutionPetriGraph()
&& ((SelfExecutableNode) getOperationNode()).getExecutionPetriGraph().getIsVisible();
}
if (getOperationNode().hasContainedPetriGraph()) {
return getOperationNode().getActionPetriGraph().getIsVisible();
}
return false;
}
@Override
public void expand() {
if (getOperationNode() instanceof SelfExecutableNode) {
if (((SelfExecutableNode) getOperationNode()).hasExecutionPetriGraph() && !isExpanded()) {
OpenExecutionPetriGraph.actionType.makeNewAction(getOperationNode(), null, getProjectBrowser().getEditor()).doAction();
}
} else if (getOperationNode().hasContainedPetriGraph() && !getOperationNode().isBeginNode() && !getOperationNode().isEndNode()
&& !isExpanded()) {
OpenActionLevel.actionType.makeNewAction(getOperationNode(), null, getProjectBrowser().getEditor()).doAction();
}
}
@Override
public void collapse() {
if (getOperationNode() instanceof SelfExecutableNode) {
if (((SelfExecutableNode) getOperationNode()).hasExecutionPetriGraph() && isExpanded()) {
OpenExecutionPetriGraph.actionType.makeNewAction(getOperationNode(), null, getProjectBrowser().getEditor()).doAction();
}
} else if (getOperationNode().hasContainedPetriGraph() && isExpanded()) {
OpenActionLevel.actionType.makeNewAction(getOperationNode(), null, getProjectBrowser().getEditor()).doAction();
}
}
@Override
public void update(FlexoObservable observable, DataModification dataModification) {
if (_browser != null) {
if (dataModification instanceof ObjectVisibilityChanged || dataModification instanceof PetriGraphHasBeenClosed
|| dataModification instanceof PetriGraphHasBeenOpened) {
_browser.notifyExpansionChanged(this);
} else if (dataModification.propertyName() != null && dataModification.propertyName().equals("index")) {
return;
} else {
super.update(observable, dataModification);
}
}
}
@Override
public boolean isNameEditable() {
return true;
}
@Override
public void setName(String aName) {
getOperationNode().setName(aName);
}
@Override
public boolean requiresExpansionFor(BrowserElement next) {
if (next instanceof PreConditionElement) {
return ((PreConditionElement) next).getPreCondition().isContainedIn(getOperationNode());
} else if (next instanceof PostConditionElement) {
FlexoPostCondition edge = ((PostConditionElement) next).getPostCondition();
if (edge.getNextNode() != null && edge.getNextNode().isContainedIn(getOperationNode()) && edge.getStartNode() != null
&& edge.getStartNode().isContainedIn(getOperationNode())) {
return true;
}
return false;
} else if (next instanceof PortMapElement) {
return false;
} else if (next instanceof MessageElement) {
return false;
} else {
return true;
}
}
}