package org.eclipse.ui.examples.propertysheet;

/*
 * (c) Copyright IBM Corp. 2000, 2001.
 * All Rights Reserved.
 */
import java.util.Vector;

import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.IBasicPropertyConstants;
import org.eclipse.ui.model.IWorkbenchAdapter;
import org.eclipse.ui.views.properties.*;

/**
 * An Organization Element
 */
public abstract class OrganizationElement implements IAdaptable, IPropertySource, IWorkbenchAdapter {
	//
	private GroupElement parent;
	private String name;
	private ImageDescriptor imageDescriptor;
	
	//
	private static Vector descriptors;
	static {
		descriptors = new Vector();
		PropertyDescriptor name = new TextPropertyDescriptor(IBasicPropertyConstants.P_TEXT, MessageUtil.getString("name")); //$NON-NLS-1$
		descriptors.addElement(name);
	}
/**
 * Constructor.
 * Creates a new OrganizationElement within the passed parent GroupElement,
 *
 * @param name the name 
 * @param parent the parent
 */
OrganizationElement(String name, GroupElement parent) {
	this.name = name;
	this.parent = parent;
}
/**
 * Deletes this OrganizationElement from its parentGroup
 */
public void delete()
{	parent.delete(this);
}
/* (non-Javadoc)
 * Method declared on IAdaptable
 */
public Object getAdapter(Class adapter) {
	if (adapter == IPropertySource.class) {
		return this;
	}
	if (adapter == IWorkbenchAdapter.class) {
		return this;
	}
	return null;
}
/**
 * Returns the descriptors
 */
static Vector getDescriptors()
{	
	return descriptors;
}
/* (non-Javadoc)
 * Method declared on IPropertySource
 */
public Object getEditableValue() {
	return this;
}
/* (non-Javadoc)
 * Method declared on IWorkbenchAdapter
 */
public ImageDescriptor getImageDescriptor(Object object) {
	return imageDescriptor;
}
/* (non-Javadoc)
 * Method declared on IWorkbenchAdapter
 */
public String getLabel(Object o) {
	return getName();
}
/**
 * Returns the name
 */
String getName()
{
	return name;
}
/**
 * Returns the parent
 */
public Object getParent(Object o)
{	
	return parent;
}
/* (non-Javadoc)
 * Method declared on IPropertySource
 */
public IPropertyDescriptor[] getPropertyDescriptors()
{	return (IPropertyDescriptor[])getDescriptors().toArray(new IPropertyDescriptor[getDescriptors().size()]);
}
/** 
 * The <code>OrganizationElement</code> implementation of this
 * <code>IPropertySource</code> method returns the following properties
 *
 * 	1) P_NAME returns String, name of this element
 *  this property key is defined in <code>IBasicPropertyConstants</code>
 */
public Object getPropertyValue(Object propKey)
{
	if (propKey.equals(IBasicPropertyConstants.P_TEXT))
		return getName();
	return null;
}
/**
 * Hook. Implemented by <code>GroupElement</code> for use instead of instanceof
 * @return boolean
 */
public boolean isGroup() {
	return false;
}
/* (non-Javadoc)
 * Method declared on IPropertySource
 */
public boolean isPropertySet(Object property) {
	return false;
}
/**
 * Hook. Implemented by <code>UserElement</code> for use instead of instanceof
 * @return boolean
 */
public boolean isUser() {
	return false;
}
/* (non-Javadoc)
 * Method declared on IPropertySource
 */
public void resetPropertyValue(Object property){}
/**
 * Sets the image descriptor
 */
void setImageDescriptor(ImageDescriptor desc) {
	imageDescriptor = desc;
}
/**
 * Sets the name
 */
void setName(String newName) {
	name = newName;
}
/**
 * Sets this instance's parent back pointer.
 */
void setParent(GroupElement newParent){
	parent = newParent;
}
/** 
 * The <code>OrganizationElement</code> implementation of this
 * <code>IPropertySource</code> method returns the following properties
 * defines the following Setable properties
 *
 *	1) P_NAME, expects String, sets the name of this OrganizationElement
 */
public void setPropertyValue(Object name, Object value) {
	if (name.equals(IBasicPropertyConstants.P_TEXT)) {
		setName((String) value);
		return;
	}
}
}