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// Copyright (c) AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using System;
using System.Collections;
using System.Windows.Forms;
using System.Reflection;
using ICSharpCode.NRefactory.VB.Ast;
using ICSharpCode.NRefactory.VB;
namespace ICSharpCode.NRefactory.Demo
{
public partial class VBAstView
{
CompilationUnit unit;
public CompilationUnit Unit {
get {
return unit;
}
set {
if (value != null) {
unit = value;
UpdateTree();
}
}
}
void UpdateTree()
{
tree.Nodes.Clear();
tree.Nodes.Add(new CollectionNode("CompilationUnit", unit.Children));
tree.SelectedNode = tree.Nodes[0];
}
public VBAstView()
{
InitializeComponent();
}
// public void DeleteSelectedNode()
// {
// if (tree.SelectedNode is ElementNode) {
// INode element = (tree.SelectedNode as ElementNode).element;
// if (tree.SelectedNode.Parent is CollectionNode) {
// if (MessageBox.Show("Remove selected node from parent collection?", "Remove node", MessageBoxButtons.YesNo, MessageBoxIcon.Question)
// == DialogResult.Yes)
// {
// IList col = (tree.SelectedNode.Parent as CollectionNode).collection;
// col.Remove(element);
// (tree.SelectedNode.Parent as CollectionNode).Update();
// }
// } else if (tree.SelectedNode.Parent is ElementNode) {
// if (MessageBox.Show("Set selected property to null?", "Remove node", MessageBoxButtons.YesNo, MessageBoxIcon.Question)
// == DialogResult.Yes)
// {
// // get parent element
// element = (tree.SelectedNode.Parent as ElementNode).element;
// string propertyName = (string)tree.SelectedNode.Tag;
// element.GetType().GetProperty(propertyName).SetValue(element, null, null);
// (tree.SelectedNode.Parent as ElementNode).Update();
// }
// }
// } else if (tree.SelectedNode is CollectionNode) {
// if (MessageBox.Show("Remove all elements from selected collection?", "Clear collection", MessageBoxButtons.YesNo, MessageBoxIcon.Question)
// == DialogResult.Yes)
// {
// IList col = (tree.SelectedNode as CollectionNode).collection;
// col.Clear();
// (tree.SelectedNode as CollectionNode).Update();
// }
// }
// }
//
// public void EditSelectedNode()
// {
// TreeNode node = tree.SelectedNode;
// while (!(node is ElementNode)) {
// if (node == null) {
// return;
// }
// node = node.Parent;
// }
// INode element = ((ElementNode)node).element;
// using (VBEditDialog dlg = new VBEditDialog(element)) {
// dlg.ShowDialog();
// }
// ((ElementNode)node).Update();
// }
//
// public void ApplyTransformation(IAstVisitor visitor)
// {
// if (tree.SelectedNode == tree.Nodes[0]) {
// unit.AcceptVisitor(visitor, null);
// UpdateTree();
// } else {
// string name = visitor.GetType().Name;
// ElementNode elementNode = tree.SelectedNode as ElementNode;
// CollectionNode collectionNode = tree.SelectedNode as CollectionNode;
// if (elementNode != null) {
// if (MessageBox.Show(("Apply " + name + " to selected element '" + elementNode.Text + "'?"),
// "Apply transformation", MessageBoxButtons.YesNo, MessageBoxIcon.Question)
// == DialogResult.Yes)
// {
// elementNode.element.AcceptVisitor(visitor, null);
// elementNode.Update();
// }
// } else if (collectionNode != null) {
// if (MessageBox.Show(("Apply " + name + " to all elements in selected collection '" + collectionNode.Text + "'?"),
// "Apply transformation", MessageBoxButtons.YesNo, MessageBoxIcon.Question)
// == DialogResult.Yes)
// {
// foreach (TreeNode subNode in collectionNode.Nodes) {
// if (subNode is ElementNode) {
// (subNode as ElementNode).element.AcceptVisitor(visitor, null);
// }
// }
// collectionNode.Update();
// }
// }
// }
// }
//
static TreeNode CreateNode(object child)
{
if (child == null) {
return new TreeNode("*null reference*");
} else if (child is INode) {
return new ElementNode(child as INode);
} else {
return new TreeNode(child.ToString());
}
}
class CollectionNode : TreeNode
{
internal IList collection;
string baseName;
public CollectionNode(string text, IList children) : base(text)
{
this.baseName = text;
this.collection = children;
Update();
}
public void Update()
{
if (collection.Count == 0) {
Text = baseName + " (empty collection)";
} else if (collection.Count == 1) {
Text = baseName + " (collection with 1 element)";
} else {
Text = baseName + " (collection with " + collection.Count + " elements)";
}
Nodes.Clear();
foreach (object child in collection) {
Nodes.Add(CreateNode(child));
}
Expand();
}
}
class ElementNode : TreeNode
{
internal AstNode element;
public ElementNode(AstNode node)
{
this.element = node;
Update();
}
public void Update()
{
Nodes.Clear();
Type type = element.GetType();
Text = type.Name;
if (Tag != null) { // HACK: after editing property element
Text = Tag.ToString() + " = " + Text;
}
if (!(element is INullable && (element as INullable).IsNull)) {
AddProperties(type, element);
if (element.Children.Count > 0) {
Nodes.Add(new CollectionNode("Children", element.Children));
}
}
}
void AddProperties(Type type, AstNode node)
{
if (type == typeof(AbstractNode))
return;
foreach (PropertyInfo pi in type.GetProperties(BindingFlags.Instance | BindingFlags.Public)) {
if (pi.DeclaringType != type) // don't add derived properties
continue;
if (pi.Name == "IsNull")
continue;
object value = pi.GetValue(node, null);
if (value is IList) {
Nodes.Add(new CollectionNode(pi.Name, (IList)value));
} else if (value is string) {
Text += " " + pi.Name + "='" + value + "'";
} else {
TreeNode treeNode = CreateNode(value);
treeNode.Text = pi.Name + " = " + treeNode.Text;
treeNode.Tag = pi.Name;
Nodes.Add(treeNode);
}
}
AddProperties(type.BaseType, node);
}
}
void TreeKeyDown(object sender, KeyEventArgs e)
{
if (e.KeyData == Keys.Delete) {
DeleteSelectedNode();
} else if (e.KeyData == Keys.Space || e.KeyData == Keys.Enter) {
EditSelectedNode();
}
}
}
}
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