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/* $Id: ExternalPropertyTab.cs,v 1.3 2009/06/03 01:10:59 ellson Exp $ $Revision: 1.3 $ */
/* vim:set shiftwidth=4 ts=8: */
/**********************************************************
* This software is part of the graphviz package *
* http://www.graphviz.org/ *
* *
* Copyright (c) 1994-2008 AT&T Corp. *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Corp. *
* *
* Information and Software Systems Research *
* AT&T Research, Florham Park NJ *
**********************************************************/
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Windows.Forms.Design;
namespace Graphviz
{
public class ExternalPropertyTab : PropertyTab
{
public ExternalPropertyTab(string name, Bitmap bitmap, PropertyDescriptorCollection externalProperties)
{
_name = name;
_bitmap = bitmap;
_externalProperties = externalProperties;
}
public override PropertyDescriptorCollection GetProperties(object component, Attribute[] attributes)
{
if (attributes == null || attributes.Length == 0)
/* no need to filter by attribute, just return all properties */
return _externalProperties;
else {
/* filter in properties that match all given attributes */
PropertyDescriptorCollection properties = new PropertyDescriptorCollection(new PropertyDescriptor[0]);
foreach (PropertyDescriptor property in _externalProperties) {
bool allMatch = true;
foreach (Attribute attribute in attributes)
if (!property.Attributes[attribute.GetType()].Match(attribute)) {
allMatch = false;
break;
}
if (allMatch)
properties.Add(property);
}
return properties;
}
}
public override bool CanExtend(object extendee)
{
return true;
}
public override string TabName
{
get { return _name; }
}
// Provides an image for the property tab.
public override Bitmap Bitmap
{
get { return _bitmap; }
}
private readonly string _name;
private readonly Bitmap _bitmap;
private readonly PropertyDescriptorCollection _externalProperties;
}
}
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