OpenHardwareMonitor: GUI/TreeModel.cs@813d8bc3192f (annotated)

moel@111	1	/*
moel@111	2
moel@111	3	Version: MPL 1.1/GPL 2.0/LGPL 2.1
moel@111	4
moel@111	5	The contents of this file are subject to the Mozilla Public License Version
moel@111	6	1.1 (the "License"); you may not use this file except in compliance with
moel@111	7	the License. You may obtain a copy of the License at
moel@111	8
moel@111	9	http://www.mozilla.org/MPL/
moel@111	10
moel@111	11	Software distributed under the License is distributed on an "AS IS" basis,
moel@111	12	WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
moel@111	13	for the specific language governing rights and limitations under the License.
moel@111	14
moel@111	15	The Original Code is the Open Hardware Monitor code.
moel@111	16
moel@111	17	The Initial Developer of the Original Code is
moel@111	18	Michael Möller <m.moeller@gmx.ch>.
moel@111	19	Portions created by the Initial Developer are Copyright (C) 2009-2010
moel@111	20	the Initial Developer. All Rights Reserved.
moel@111	21
moel@111	22	Contributor(s):
moel@111	23
moel@111	24	Alternatively, the contents of this file may be used under the terms of
moel@111	25	either the GNU General Public License Version 2 or later (the "GPL"), or
moel@111	26	the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
moel@111	27	in which case the provisions of the GPL or the LGPL are applicable instead
moel@111	28	of those above. If you wish to allow use of your version of this file only
moel@111	29	under the terms of either the GPL or the LGPL, and not to allow others to
moel@111	30	use your version of this file under the terms of the MPL, indicate your
moel@111	31	decision by deleting the provisions above and replace them with the notice
moel@111	32	and other provisions required by the GPL or the LGPL. If you do not delete
moel@111	33	the provisions above, a recipient may use your version of this file under
moel@111	34	the terms of any one of the MPL, the GPL or the LGPL.
moel@111	35
moel@111	36	*/
moel@111	37
moel@111	38	using System;
moel@111	39	using System.Collections;
moel@111	40	using System.Collections.Generic;
moel@111	41	using System.Collections.ObjectModel;
moel@111	42	using Aga.Controls.Tree;
moel@111	43
moel@111	44	namespace OpenHardwareMonitor.GUI {
moel@111	45	public class TreeModel : ITreeModel {
moel@111	46
moel@111	47	private Node root;
moel@111	48	private bool forceVisible = false;
moel@111	49
moel@111	50	public TreeModel() {
moel@111	51	root = new Node();
moel@111	52	root.Model = this;
moel@111	53	}
moel@111	54
moel@111	55	public TreePath GetPath(Node node) {
moel@111	56	if (node == root)
moel@111	57	return TreePath.Empty;
moel@111	58	else {
moel@111	59	Stack<object> stack = new Stack<object>();
moel@111	60	while (node != root) {
moel@111	61	stack.Push(node);
moel@111	62	node = node.Parent;
moel@111	63	}
moel@111	64	return new TreePath(stack.ToArray());
moel@111	65	}
moel@111	66	}
moel@111	67
moel@111	68	public Collection<Node> Nodes {
moel@111	69	get { return root.Nodes; }
moel@111	70	}
moel@111	71
moel@111	72	private Node GetNode(TreePath treePath) {
moel@111	73	Node parent = root;
moel@111	74	foreach (object obj in treePath.FullPath) {
moel@111	75	Node node = obj as Node;
moel@111	76	if (node == null \|\| node.Parent != parent)
moel@111	77	return null;
moel@111	78	parent = node;
moel@111	79	}
moel@111	80	return parent;
moel@111	81	}
moel@111	82
moel@111	83	public IEnumerable GetChildren(TreePath treePath) {
moel@111	84	Node node = GetNode(treePath);
moel@111	85	if (node != null) {
moel@111	86	foreach (Node n in node.Nodes)
moel@111	87	if (forceVisible \|\| n.IsVisible)
moel@111	88	yield return n;
moel@111	89	} else {
moel@111	90	yield break;
moel@111	91	}
moel@111	92	}
moel@111	93
moel@111	94	public bool IsLeaf(TreePath treePath) {
moel@111	95	return false;
moel@111	96	}
moel@111	97
moel@111	98	public bool ForceVisible {
moel@111	99	get {
moel@111	100	return forceVisible;
moel@111	101	}
moel@111	102	set {
moel@111	103	if (value != forceVisible) {
moel@111	104	forceVisible = value;
moel@111	105	OnStructureChanged(root);
moel@111	106	}
moel@111	107	}
moel@111	108	}
moel@111	109
moel@111	110	#pragma warning disable 67
moel@111	111	public event EventHandler<TreeModelEventArgs> NodesChanged;
moel@111	112	public event EventHandler<TreePathEventArgs> StructureChanged;
moel@111	113	public event EventHandler<TreeModelEventArgs> NodesInserted;
moel@111	114	public event EventHandler<TreeModelEventArgs> NodesRemoved;
moel@111	115	#pragma warning restore 67
moel@111	116
moel@111	117	public void OnNodeChanged(Node parent, int index, Node node) {
moel@111	118	if (NodesChanged != null && parent != null) {
moel@111	119	TreePath path = GetPath(parent);
moel@111	120	if (path != null)
moel@111	121	NodesChanged(this, new TreeModelEventArgs(
moel@111	122	path, new int[] { index }, new object[] { node }));
moel@111	123	}
moel@111	124	}
moel@111	125
moel@111	126	public void OnStructureChanged(Node node) {
moel@111	127	if (StructureChanged != null)
moel@111	128	StructureChanged(this,
moel@111	129	new TreeModelEventArgs(GetPath(node), new object[0]));
moel@111	130	}
moel@111	131
moel@111	132	public void OnNodeInserted(Node parent, int index, Node node) {
moel@111	133	if (NodesInserted != null) {
moel@111	134	TreeModelEventArgs args = new TreeModelEventArgs(GetPath(parent),
moel@111	135	new int[] { index }, new object[] { node });
moel@111	136	NodesInserted(this, args);
moel@111	137	}
moel@111	138
moel@111	139	}
moel@111	140
moel@111	141	public void OnNodeRemoved(Node parent, int index, Node node) {
moel@111	142	if (NodesRemoved != null) {
moel@111	143	TreeModelEventArgs args = new TreeModelEventArgs(GetPath(parent),
moel@111	144	new int[] { index }, new object[] { node });
moel@111	145	NodesRemoved(this, args);
moel@111	146	}
moel@111	147	}
moel@111	148
moel@111	149	}
moel@111	150	}

author	moel.mich
	Sun, 08 Aug 2010 13:57:26 +0000
changeset 165	813d8bc3192f
child 344	3145aadca3d2
permissions	-rw-r--r--