|
moel@111
|
1 |
/*
|
|
moel@111
|
2 |
|
|
moel@344
|
3 |
This Source Code Form is subject to the terms of the Mozilla Public
|
|
moel@344
|
4 |
License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
moel@344
|
5 |
file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
moel@111
|
6 |
|
|
moel@344
|
7 |
Copyright (C) 2009-2010 Michael Möller <mmoeller@openhardwaremonitor.org>
|
|
moel@344
|
8 |
|
|
moel@111
|
9 |
*/
|
|
moel@111
|
10 |
|
|
moel@111
|
11 |
using System;
|
|
moel@111
|
12 |
using System.Collections;
|
|
moel@111
|
13 |
using System.Collections.Generic;
|
|
moel@111
|
14 |
using System.Collections.ObjectModel;
|
|
moel@111
|
15 |
using Aga.Controls.Tree;
|
|
moel@111
|
16 |
|
|
moel@111
|
17 |
namespace OpenHardwareMonitor.GUI {
|
|
moel@111
|
18 |
public class TreeModel : ITreeModel {
|
|
moel@111
|
19 |
|
|
moel@111
|
20 |
private Node root;
|
|
moel@111
|
21 |
private bool forceVisible = false;
|
|
moel@111
|
22 |
|
|
moel@111
|
23 |
public TreeModel() {
|
|
moel@111
|
24 |
root = new Node();
|
|
moel@111
|
25 |
root.Model = this;
|
|
moel@111
|
26 |
}
|
|
moel@111
|
27 |
|
|
moel@111
|
28 |
public TreePath GetPath(Node node) {
|
|
moel@111
|
29 |
if (node == root)
|
|
moel@111
|
30 |
return TreePath.Empty;
|
|
moel@111
|
31 |
else {
|
|
moel@111
|
32 |
Stack<object> stack = new Stack<object>();
|
|
moel@111
|
33 |
while (node != root) {
|
|
moel@111
|
34 |
stack.Push(node);
|
|
moel@111
|
35 |
node = node.Parent;
|
|
moel@111
|
36 |
}
|
|
moel@111
|
37 |
return new TreePath(stack.ToArray());
|
|
moel@111
|
38 |
}
|
|
moel@111
|
39 |
}
|
|
moel@111
|
40 |
|
|
moel@111
|
41 |
public Collection<Node> Nodes {
|
|
moel@111
|
42 |
get { return root.Nodes; }
|
|
moel@111
|
43 |
}
|
|
moel@111
|
44 |
|
|
moel@111
|
45 |
private Node GetNode(TreePath treePath) {
|
|
moel@111
|
46 |
Node parent = root;
|
|
moel@111
|
47 |
foreach (object obj in treePath.FullPath) {
|
|
moel@111
|
48 |
Node node = obj as Node;
|
|
moel@111
|
49 |
if (node == null || node.Parent != parent)
|
|
moel@111
|
50 |
return null;
|
|
moel@111
|
51 |
parent = node;
|
|
moel@111
|
52 |
}
|
|
moel@111
|
53 |
return parent;
|
|
moel@111
|
54 |
}
|
|
moel@111
|
55 |
|
|
moel@111
|
56 |
public IEnumerable GetChildren(TreePath treePath) {
|
|
moel@111
|
57 |
Node node = GetNode(treePath);
|
|
moel@111
|
58 |
if (node != null) {
|
|
moel@111
|
59 |
foreach (Node n in node.Nodes)
|
|
moel@111
|
60 |
if (forceVisible || n.IsVisible)
|
|
moel@111
|
61 |
yield return n;
|
|
moel@111
|
62 |
} else {
|
|
moel@111
|
63 |
yield break;
|
|
moel@111
|
64 |
}
|
|
moel@111
|
65 |
}
|
|
moel@111
|
66 |
|
|
moel@111
|
67 |
public bool IsLeaf(TreePath treePath) {
|
|
moel@111
|
68 |
return false;
|
|
moel@111
|
69 |
}
|
|
moel@111
|
70 |
|
|
moel@111
|
71 |
public bool ForceVisible {
|
|
moel@111
|
72 |
get {
|
|
moel@111
|
73 |
return forceVisible;
|
|
moel@111
|
74 |
}
|
|
moel@111
|
75 |
set {
|
|
moel@111
|
76 |
if (value != forceVisible) {
|
|
moel@111
|
77 |
forceVisible = value;
|
|
moel@111
|
78 |
OnStructureChanged(root);
|
|
moel@111
|
79 |
}
|
|
moel@111
|
80 |
}
|
|
moel@111
|
81 |
}
|
|
moel@111
|
82 |
|
|
moel@111
|
83 |
#pragma warning disable 67
|
|
moel@111
|
84 |
public event EventHandler<TreeModelEventArgs> NodesChanged;
|
|
moel@111
|
85 |
public event EventHandler<TreePathEventArgs> StructureChanged;
|
|
moel@111
|
86 |
public event EventHandler<TreeModelEventArgs> NodesInserted;
|
|
moel@111
|
87 |
public event EventHandler<TreeModelEventArgs> NodesRemoved;
|
|
moel@111
|
88 |
#pragma warning restore 67
|
|
moel@111
|
89 |
|
|
moel@111
|
90 |
public void OnNodeChanged(Node parent, int index, Node node) {
|
|
moel@111
|
91 |
if (NodesChanged != null && parent != null) {
|
|
moel@111
|
92 |
TreePath path = GetPath(parent);
|
|
moel@111
|
93 |
if (path != null)
|
|
moel@111
|
94 |
NodesChanged(this, new TreeModelEventArgs(
|
|
moel@111
|
95 |
path, new int[] { index }, new object[] { node }));
|
|
moel@111
|
96 |
}
|
|
moel@111
|
97 |
}
|
|
moel@111
|
98 |
|
|
moel@111
|
99 |
public void OnStructureChanged(Node node) {
|
|
moel@111
|
100 |
if (StructureChanged != null)
|
|
moel@111
|
101 |
StructureChanged(this,
|
|
moel@111
|
102 |
new TreeModelEventArgs(GetPath(node), new object[0]));
|
|
moel@111
|
103 |
}
|
|
moel@111
|
104 |
|
|
moel@111
|
105 |
public void OnNodeInserted(Node parent, int index, Node node) {
|
|
moel@111
|
106 |
if (NodesInserted != null) {
|
|
moel@111
|
107 |
TreeModelEventArgs args = new TreeModelEventArgs(GetPath(parent),
|
|
moel@111
|
108 |
new int[] { index }, new object[] { node });
|
|
moel@111
|
109 |
NodesInserted(this, args);
|
|
moel@111
|
110 |
}
|
|
moel@111
|
111 |
|
|
moel@111
|
112 |
}
|
|
moel@111
|
113 |
|
|
moel@111
|
114 |
public void OnNodeRemoved(Node parent, int index, Node node) {
|
|
moel@111
|
115 |
if (NodesRemoved != null) {
|
|
moel@111
|
116 |
TreeModelEventArgs args = new TreeModelEventArgs(GetPath(parent),
|
|
moel@111
|
117 |
new int[] { index }, new object[] { node });
|
|
moel@111
|
118 |
NodesRemoved(this, args);
|
|
moel@111
|
119 |
}
|
|
moel@111
|
120 |
}
|
|
moel@111
|
121 |
|
|
moel@111
|
122 |
}
|
|
moel@111
|
123 |
}
|