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Viewing changes to lib/csharp/src/antlr.debug.misc/JTreeASTPanel.cs

  • Committer: Bazaar Package Importer
  • Author(s): Matthias Klose
  • Date: 2005-06-29 16:11:22 UTC
  • mfrom: (0.1.2 upstream)
  • Revision ID: james.westby@ubuntu.com-20050629161122-g81crc3z92p5xhsg
Tags: 2.7.5-6ubuntu4
Build depend on java-gcj-compat-dev, depend on java-gcj-compat.

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lib/csharp/src/antlr.debug.misc/JTreeASTPanel.cs
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using System;
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//using System.Collections;
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//using System.ComponentModel;
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//using System.Drawing;
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//using System.Data;
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using System.Windows.Forms;
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using AST = antlr.collections.AST;
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namespace antlr.debug.misc
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{
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        /// <summary>
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        /// Summary description for myJTreeASTPanel.
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        /// </summary>
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        public class JTreeASTPanel : System.Windows.Forms.UserControl
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        {
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                private System.Windows.Forms.TreeView tree;
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                /// <summary> 
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                /// Required designer variable.
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                /// </summary>
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                private System.ComponentModel.Container components = null;
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                private JTreeASTPanel()
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                {
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                        // This call is required by the Windows.Forms Form Designer.
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                        InitializeComponent();
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                        // TODO: Add any initialization after the InitForm call
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                }
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                public JTreeASTPanel(TreeViewEventHandler afterSelectHandler, AST rootAST) : this()
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                {
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                        tree.AfterSelect += afterSelectHandler;
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                        tree.BeforeExpand += new TreeViewCancelEventHandler(ASTTreeNode.tree_BeforeExpand);
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                        tree.Nodes.Add(new ASTTreeNode(rootAST));
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                }
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                /// <summary> 
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                /// Clean up any resources being used.
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                /// </summary>
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                protected override void Dispose( bool disposing )
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                {
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                        if( disposing )
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                        {
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                                if(components != null)
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                                {
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                                        components.Dispose();
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                                }
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                        }
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                        base.Dispose( disposing );
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                }
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                #region Component Designer generated code
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                /// <summary> 
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                /// Required method for Designer support - do not modify 
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                /// the contents of this method with the code editor.
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                /// </summary>
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                private void InitializeComponent()
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                {
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                        this.tree = new System.Windows.Forms.TreeView();
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                        this.SuspendLayout();
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                        // 
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                        // tree
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                        // 
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                        this.tree.Dock = System.Windows.Forms.DockStyle.Fill;
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                        this.tree.ImageIndex = -1;
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                        this.tree.ImeMode = System.Windows.Forms.ImeMode.NoControl;
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                        this.tree.Location = new System.Drawing.Point(5, 5);
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                        this.tree.Name = "tree";
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                        this.tree.SelectedImageIndex = -1;
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                        this.tree.Size = new System.Drawing.Size(140, 140);
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                        this.tree.TabIndex = 0;
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                        // 
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                        // JTreeASTPanel
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                        // 
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                        this.Controls.AddRange(new System.Windows.Forms.Control[] {
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                                                                                                                                                  this.tree});
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                        this.DockPadding.All = 5;
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                        this.Name = "JTreeASTPanel";
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                        this.ResumeLayout(false);
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                }
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                #endregion
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        }
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        internal class ASTTreeNode : TreeNode
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        {
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                private  AST    ASTNode_;
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                internal bool   IsAlreadyExpanded = false;
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                public AST ASTNode
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                {
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                        get { return ASTNode_;  }
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                        set { ASTNode_ = value; }
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                }
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                public ASTTreeNode(AST a)
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                {
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                        ASTNode_ = a;
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                        this.Text = a.ToString();
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                        this.Nodes.Add("Loading.....");
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                }
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                internal static void tree_BeforeExpand(object sender, TreeViewCancelEventArgs e)
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                {
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                        ASTTreeNode thisNode   = (ASTTreeNode)e.Node;
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                        AST                     parentAST  = thisNode.ASTNode;
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                        AST                     childAST;
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                        if (!thisNode.IsAlreadyExpanded)
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                        {
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                                thisNode.Nodes.Clear();
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                                childAST = parentAST.getFirstChild();
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                                while (null != childAST)
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                                {
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                                        thisNode.Nodes.Add(new ASTTreeNode(childAST));
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                                        childAST = childAST.getNextSibling();
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                                }
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                                thisNode.IsAlreadyExpanded = true;
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                        }
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                }
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        }
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}