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| 1 // Copyright (c) 2011 The Native Client Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #region | |
| 6 | |
| 7 using System.Collections.Generic; | |
| 8 using System.ComponentModel; | |
| 9 using System.Linq; | |
| 10 using System.Windows.Forms; | |
| 11 | |
| 12 #endregion | |
| 13 | |
| 14 namespace SymbolDBViewer { | |
| 15 /// <summary> | |
| 16 /// A slightly modified BackgroundWorker which adds an ID field to help | |
| 17 /// us tell them apart later. As the name indicates, this worker is meant | |
| 18 /// to be used to load a table from the SymbolDatabase into the | |
| 19 /// SymbolDbTreeView_. | |
| 20 /// </summary> | |
| 21 public class DictionaryLoader<TEntryType> : BackgroundWorker { | |
| 22 /// <summary> | |
| 23 /// Simple Constructor. -1 is used here to indicate an uninitialized | |
| 24 /// ID. | |
| 25 /// </summary> | |
| 26 public DictionaryLoader() { | |
| 27 LoadPercentage = 0; | |
| 28 DictionaryName = ""; | |
| 29 Content = null; | |
| 30 } | |
| 31 | |
| 32 /// <summary> | |
| 33 /// Can't be read-only because of constraints that C# places on the | |
| 34 /// constructor signature. | |
| 35 /// </summary> | |
| 36 public int LoadPercentage { get; set; } | |
| 37 | |
| 38 public string DictionaryName { get; set; } | |
| 39 public Dictionary<ulong, TEntryType> Content { get; set; } | |
| 40 | |
| 41 public bool DoneLoading() { | |
| 42 return (LoadPercentage == 100); | |
| 43 } | |
| 44 | |
| 45 /// <summary> | |
| 46 /// Creates a Tree to represent the entries from a Dictionary stored in | |
| 47 /// the SymbolDatabase. | |
| 48 /// </summary> | |
| 49 /// <param name = "sender">Used to report Progress.</param> | |
| 50 /// <param name = "e">Used to store and return the resulting Tree.</param> | |
| 51 public void PopulateTree(object sender, DoWorkEventArgs e) { | |
| 52 if (Content != null) { | |
| 53 var rootNode = new TreeNode(DictionaryName); | |
| 54 var nodes = rootNode.Nodes; | |
| 55 for (var i = 0; i < Content.Count; ++i) { | |
| 56 var entry = Content.ElementAt(i); | |
| 57 nodes.Add(GetTreeNode(entry.Key, entry.Value)); | |
| 58 | |
| 59 if (i % 100 == 0) { | |
| 60 LoadPercentage = (i * 100) / Content.Count; | |
| 61 ReportProgress(LoadPercentage); | |
| 62 } | |
| 63 } | |
| 64 LoadPercentage = 100; | |
| 65 e.Result = rootNode; | |
| 66 } | |
| 67 } | |
| 68 | |
| 69 /// <summary> | |
| 70 /// Implements the TreeNode generator for EntryType. This function is | |
| 71 /// to be implemented by the child class. | |
| 72 /// </summary> | |
| 73 /// <param name = "die">The object which should be represented as a tree | |
| 74 /// node.</param> | |
| 75 /// <returns>A new TreeNode; an empty one if something went wrong. | |
| 76 /// </returns> | |
| 77 protected virtual TreeNode GetTreeNode(ulong key, TEntryType entry) { | |
| 78 return new TreeNode(); | |
| 79 } | |
| 80 | |
| 81 | |
| 82 /// <summary> | |
| 83 /// Formats a single value of any type into a string. | |
| 84 /// </summary> | |
| 85 /// <typeparam name = "TArgType">The type.</typeparam> | |
| 86 /// <param name = "arg">The value.</param> | |
| 87 /// <returns>The string.</returns> | |
| 88 protected static string GetString<TArgType>(TArgType arg) { | |
| 89 return string.Format("{0}", arg); | |
| 90 } | |
| 91 } | |
| 92 } | |
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Chromium Code Reviews
Issue 10928195:
First round of dead file removal (Closed)
Base URL: https://github.com/samclegg/nativeclient-sdk.git@master