//------------------------------------------------------------------------------
// Copyright (c) 2005, 2006 IBM Corporation and others.
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// which accompanies this distribution, and is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// Contributors:
// IBM Corporation - initial implementation
//------------------------------------------------------------------------------
package org.eclipse.epf.library.edit.process;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.emf.edit.provider.ITableItemLabelProvider;
import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
import org.eclipse.emf.edit.provider.ItemProviderAdapter;
import org.eclipse.emf.edit.provider.ViewerNotification;
import org.eclipse.epf.library.edit.ICachedChildrenItemProvider;
import org.eclipse.epf.library.edit.command.IActionManager;
import org.eclipse.epf.library.edit.command.IResourceAwareCommand;
import org.eclipse.epf.library.edit.command.ResourceAwareDragAndDropCommand;
import org.eclipse.epf.library.edit.process.command.GenericDropCommand;
import org.eclipse.epf.library.edit.util.PredecessorList;
import org.eclipse.epf.library.edit.util.ProcessUtil;
import org.eclipse.epf.library.edit.util.TngUtil;
import org.eclipse.epf.uma.Activity;
import org.eclipse.epf.uma.BreakdownElement;
import org.eclipse.epf.uma.Process;
import org.eclipse.epf.uma.WorkBreakdownElement;
/**
* Base item provider for all breakdown elements
*
* @author Phong Nguyen Le
* @since 1.0
*/
public class BreakdownElementItemProvider extends
org.eclipse.epf.uma.provider.BreakdownElementItemProvider implements
IProcessItemProvider, IBSItemProvider, ITableItemLabelProvider, ICachedChildrenItemProvider {
private Object parent;
private int id;
private Object topItem;
private boolean rolledUp;
private Boolean expanded;
private PredecessorList predecessors;
protected ItemProviderAdapter delegateItemProvider;
protected List cachedChildren;
/**
* @param adapterFactory
*/
public BreakdownElementItemProvider(AdapterFactory adapterFactory,
ItemProviderAdapter delegateItemProvider) {
super(adapterFactory);
this.delegateItemProvider = delegateItemProvider;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.emf.edit.provider.ItemProviderAdapter#dispose()
*/
public void dispose() {
if (predecessors != null) {
predecessors.dispose();
}
if(cachedChildren != null) {
cachedChildren.clear();
cachedChildren = null;
}
super.dispose();
}
public List getPropertyDescriptors(Object object) {
if (delegateItemProvider != null) {
return delegateItemProvider.getPropertyDescriptors(object);
}
return super.getPropertyDescriptors(object);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.epf.uma.provider.BreakdownElementItemProvider#collectNewChildDescriptors(java.util.Collection,
* java.lang.Object)
*/
protected void collectNewChildDescriptors(Collection newChildDescriptors,
Object object) {
}
/*
* (non-Javadoc)
*
* @see org.eclipse.emf.edit.provider.ItemProviderAdapter#getChildrenFeatures(java.lang.Object)
*/
public Collection getChildrenFeatures(Object object) {
return Collections.EMPTY_LIST;
}
/*
* (non-Javadoc)
*
* @see com.ibm.library.edit.process.IBSItemProvider#isExpanded()
*/
public Boolean isExpanded() {
return expanded;
}
/*
* (non-Javadoc)
*
* @see com.ibm.library.edit.process.IBSItemProvider#setExpanded(boolean)
*/
public void setExpanded(Boolean b) {
expanded = b;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.epf.uma.tng.process.IBSItemProvider#setParent(java.lang.Object)
*/
public void setParent(Object obj) {
parent = obj;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.emf.edit.provider.ItemProviderAdapter#getParent(java.lang.Object)
*/
public Object getParent(Object object) {
if (parent != null) {
return parent;
}
if(object instanceof BreakdownElement) {
return ((BreakdownElement)object).getSuperActivities();
}
return null;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.epf.uma.tng.process.IBSItemProvider#getId()
*/
public int getId() {
return id;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.epf.uma.tng.process.IBSItemProvider#setId(int)
*/
public void setId(int id) {
this.id = id;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.epf.uma.tng.process.IBSItemProvider#getTopItem()
*/
public Object getTopItem() {
Object parent = getParent(target);
if (topItem == null && parent != null) {
IBSItemProvider adapter = (IBSItemProvider) getRootAdapterFactory()
.adapt(parent, ITreeItemContentProvider.class);
if (adapter != null) {
Object top = adapter.getTopItem();
if (top == null && parent instanceof Process
&& ((Process) parent).getSuperActivities() == null) {
top = parent;
adapter.setTopItem(top);
}
return top;
}
}
return topItem;
}
protected String getColumnName(int columnIndex) {
AdapterFactory rootAdapterFactory = getRootAdapterFactory();
if (rootAdapterFactory instanceof IColumnAware) {
Map columnIndexToNameMap = ((IColumnAware) rootAdapterFactory)
.getColumnIndexToNameMap();
if (columnIndexToNameMap != null) {
return (String) columnIndexToNameMap.get(new Integer(
columnIndex));
}
}
return null;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.emf.edit.provider.ITableItemLabelProvider#getColumnImage(java.lang.Object,
* int)
*/
public Object getColumnImage(Object object, int columnIndex) {
String colName = getColumnName(columnIndex);
return TngUtil.getColumnImage(object, colName);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.emf.edit.provider.ITableItemLabelProvider#getColumnText(java.lang.Object,
* int)
*/
public String getColumnText(Object object, int columnIndex) {
// String colName = (String) columnIndexToNameMap.get(new
// Integer(columnIndex));
String colName = getColumnName(columnIndex);
return getAttribute(object, colName);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.emf.edit.provider.ItemProviderAdapter#getText(java.lang.Object)
*/
public String getText(Object object) {
return TngUtil.getLabel(object);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.epf.uma.tng.process.IBSItemProvider#setTopItem(java.lang.Object)
*/
public void setTopItem(Object top) {
topItem = top;
}
/*
* (non-Javadoc)
*
* @see com.ibm.library.edit.process.IBSItemProvider#isRolledUp()
*/
public boolean isRolledUp() {
return rolledUp;
}
/*
* (non-Javadoc)
*
* @see com.ibm.library.edit.process.IBSItemProvider#setRolledUp(boolean)
*/
public void setRolledUp(boolean b) {
rolledUp = b;
}
// /* (non-Javadoc)
// * @see
// com.ibm.library.edit.process.IBSItemProvider#setColumnIndexToNameMap(java.util.Map)
// */
// public void setColumnIndexToNameMap(Map map) {
// if (map != null)
// {
// columnIndexToNameMap = map;
// }
// }
/*
* (non-Javadoc)
*
* @see com.ibm.library.edit.process.IBSItemProvider#getAttribute(java.lang.Object,
* java.lang.String)
*/
public String getAttribute(Object object, String property) {
return ProcessUtil.getAttribute(object, property, this);
}
/*
* (non-Javadoc)
*
* @see com.ibm.library.edit.process.IBSItemProvider#setAttribute(java.lang.Object,
* java.lang.String, java.lang.String)
*/
public void setAttribute(Object object, String prop, String txt) {
WorkBreakdownElement e = (WorkBreakdownElement) object;
if (prop == IBSItemProvider.COL_NAME) {
e.setName(txt);
} else if (prop == IBSItemProvider.COL_PREDECESSORS) {
} else if (prop == IBSItemProvider.COL_IS_EVENT_DRIVEN) {
e.setIsEventDriven(Boolean.valueOf(txt));
} else if (prop == IBSItemProvider.COL_IS_ONGOING) {
e.setIsOngoing(Boolean.valueOf(txt));
} else if (prop == IBSItemProvider.COL_IS_REPEATABLE) {
e.setIsRepeatable(Boolean.valueOf(txt));
}
}
/*
* (non-Javadoc)
*
* @see com.ibm.library.edit.process.IBSItemProvider#getListeners()
*/
public List getListeners() {
if (changeNotifier == null)
return null;
return Collections.unmodifiableList((List) changeNotifier);
}
/*
* (non-Javadoc)
*
* @see com.ibm.library.edit.process.IBSItemProvider#getPredecessors()
*/
public PredecessorList getPredecessors() {
if (predecessors == null) {
predecessors = new PredecessorList(TngUtil
.getBestAdapterFactory(adapterFactory), target);
}
return predecessors;
}
public boolean isFirstElement(Object obj) {
return ProcessUtil.isFirstElement(getRootAdapterFactory(), this, obj);
// Object parent = this.getParent(obj);
// if ((parent != null) && (parent instanceof Activity))
// {
// Activity activity = (Activity) this.getParent(obj);
// List elements = getFilteredBreakdownElements(activity, obj);
//
// // if it's first element, return true
// if (elements.get(0).equals(obj))
// {
// return true;
// }
// else return false;
// }
//
// return true;
}
public boolean isLastElement(Object obj) {
return ProcessUtil.isLastElement(getRootAdapterFactory(), this, obj);
// Object parent = this.getParent(obj);
// if ((parent != null) && (parent instanceof Activity))
// {
// Activity activity = (Activity) this.getParent(obj);
// List elements = getFilteredBreakdownElements(activity, obj);
//
// // if it's last element, return true
// if (elements.get(elements.size() - 1).equals(obj))
// {
// return true;
// }
// else return false;
// }
//
// return true;
}
public void moveUp(Object obj, IActionManager actionMgr) {
Object parent = this.getParent(obj);
if ((parent != null) && (parent instanceof Activity)) {
TngUtil.moveUp((Activity) parent, obj, getEClasses(), actionMgr);
}
}
public void moveDown(Object obj, IActionManager actionMgr) {
Object parent = this.getParent(obj);
if ((parent != null) && (parent instanceof Activity)) {
TngUtil.moveDown((Activity) parent, obj, getEClasses(), actionMgr);
}
}
public Collection getEClasses() {
// implemented by subclasses
return null;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.epf.uma.provider.DescriptorItemProvider#getImage(java.lang.Object)
*/
public Object getImage(Object object) {
Object image = TngUtil.getCustomNodeIcon(object);
if(image != null) {
return image;
}
if (delegateItemProvider != null) {
return delegateItemProvider.getImage(object);
}
return super.getImage(object);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.epf.uma.provider.DescriptorItemProvider#notifyChanged(org.eclipse.emf.common.notify.Notification)
*/
public void notifyChanged(Notification notification) {
if (TngUtil.handlePredecessorListChange(this, notification))
return;
super.notifyChanged(notification);
}
protected void refreshChildren(Notification notification,
Collection newOrOldChildren) {
if (!newOrOldChildren.isEmpty()) {
// // recalculate the IDs of breakdown elements and refresh them
// //
// Activity topAct = (Activity) getTopItem();
// AdapterFactory adapterFactory = getRootAdapterFactory();
// ProcessUtil.updateIDs(adapterFactory, new
// AdapterFactoryTreeIterator(adapterFactory, topAct), topAct);
fireNotifyChanged(new ViewerNotification(notification, notification
.getNotifier(), true, false));
return;
}
}
public GenericDropCommand.ElementAdapter createDropAdapter() {
return null;
}
/*
* (non-Javadoc)
*
* @see com.ibm.library.edit.process.IBSItemProvider#createDropCommand(java.lang.Object,
* java.util.List)
*/
public IResourceAwareCommand createDropCommand(Object owner,
List dropElements) {
return null;
}
/* (non-Javadoc)
* @see org.eclipse.epf.library.edit.ICachedChildrenItemProvider#getChildrenFromCache()
*/
public Collection getChildrenFromCache() {
if(cachedChildren == null) {
getChildren(target);
}
return cachedChildren;
}
/* (non-Javadoc)
* @see org.eclipse.epf.library.edit.ICachedChildrenItemProvider#getRollupChildrenFromCache()
*/
public Collection getRollupChildrenFromCache() {
return Collections.EMPTY_LIST;
}
@Override
protected Command createDragAndDropCommand(EditingDomain domain, Object owner, float location, int operations, int operation, Collection collection) {
return new ResourceAwareDragAndDropCommand(domain, owner, location, operations,
operation, collection);
}
}