RecentOpen.cs


0:	// RecentOpen.cs
1:	// Copyright (C) 2001 Mike Krueger
2:	//
3:	// This program is free software; you can redistribute it and/or modify
4:	// it under the terms of the GNU General Public License as published by
5:	// the Free Software Foundation; either version 2 of the License, or
6:	// (at your option) any later version.
7:	//
8:	// This program is distributed in the hope that it will be useful,
9:	// but WITHOUT ANY WARRANTY; without even the implied warranty of
10:	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11:	// GNU General Public License for more details.
12:	//
13:	// You should have received a copy of the GNU General Public License
14:	// along with this program; if not, write to the Free Software
15:	// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16:
17:	using System;
18:	using System.Xml;
19:	using System.Diagnostics;
20:	using System.Collections;
21:	using System.IO;
22:
23:	using SharpDevelop.Tool.Data;
24:
25:	namespace SharpDevelop.Gui {
26:
27:	/// <summary>
28:	/// This class handles the recent open files and the recent open project files of SharpDevelop
29:	/// it checks, if the files exists at every creation, and if not it doesn't list them in the
30:	/// recent files, and they'll not be saved during the next option save.
31:	/// </summary>
32:	public class RecentOpen : IXmlConvertable
33:	{
34:	/// <summary>
35:	/// This variable is the maximal length of lastfile/lastopen entries
36:	/// must be > 0
37:	/// </summary>
38:	int MAX_LENGTH = 10;
39:
40:	ArrayList lastfile = new ArrayList();
41:	ArrayList lastproject = new ArrayList();
42:
43:	public event EventHandler RecentFileChanged;
44:	public event EventHandler RecentProjectChanged;
45:
46:	public ArrayList RecentFile {
47:	get {
48:	Debug.Assert(lastfile != null, "RecentOpen : set string[] LastFile (value == null)");
49:	return lastfile;
50:	}
51:	}
52:
53:	public ArrayList RecentProject {
54:	get {
55:	Debug.Assert(lastproject != null, "RecentOpen : set string[] LastProject (value == null)");
56:	return lastproject;
57:	}
58:	}
59:
60:	void OnRecentFileChange()
61:	{
62:	if (RecentFileChanged != null)
63:	RecentFileChanged(this, null);
64:	}
65:
66:	void OnRecentProjectChange()
67:	{
68:	if (RecentProjectChanged != null)
69:	RecentProjectChanged(this, null);
70:	}
71:
72:	public RecentOpen()
73:	{
74:
75:	}
76:
77:	public RecentOpen(XmlElement element)
78:	{
79:	XmlNodeList nodes = element["FILES"].ChildNodes;
80:
81:	for (int i = 0; i < nodes.Count; ++i) {
82:	if (File.Exists(nodes[i].InnerText))
83:	lastfile.Add(nodes[i].InnerText);
84:	}
85:
86:	nodes = element["PROJECTS"].ChildNodes;
87:
88:	for (int i = 0; i < nodes.Count; ++i) {
89:	if (File.Exists(nodes[i].InnerText))
90:	lastproject.Add(nodes[i].InnerText);
91:	}
92:	}
93:
94:	public void AddLastFile(string name) // TODO : improve
95:	{
96:	for (int i = 0; i < lastfile.Count; ++i)
97:	if (lastfile[i].ToString() == name)
98:	lastfile.RemoveAt(i);
99:
100:	while (lastfile.Count >= MAX_LENGTH)
101:	lastfile.RemoveAt(lastfile.Count - 1);
102:
103:	if (lastfile.Count > 0)
104:	lastfile.Insert(0, name);
105:	else
106:	lastfile.Add(name);
107:
108:	OnRecentFileChange();
109:	}
110:
111:	public void AddLastProject(string name) // TODO : improve
112:	{
113:	for (int i = 0; i < lastproject.Count; ++i)
114:	if (lastproject[i].ToString() == name)
115:	lastproject.RemoveAt(i);
116:
117:	while (lastproject.Count >= MAX_LENGTH)
118:	lastproject.RemoveAt(lastproject.Count - 1);
119:
120:	if (lastproject.Count > 0)
121:	lastproject.Insert(0, name);
122:	else
123:	lastproject.Add(name);
124:
125:	OnRecentProjectChange();
126:	}
127:
128:	public object FromXmlElement(XmlElement element)
129:	{
130:	return new RecentOpen(element);
131:	}
132:
133:	public XmlElement ToXmlElement(XmlDocument doc)
134:	{
135:	XmlElement recent = doc.CreateElement("RECENT");
136:
137:	XmlElement lastfiles = doc.CreateElement("FILES");
138:	foreach (string file in lastfile) {
139:	XmlElement element = doc.CreateElement("FILE");
140:	element.InnerText = file;
141:	lastfiles.AppendChild(element);
142:	}
143:
144:	XmlElement lastprojects = doc.CreateElement("PROJECTS");
145:	foreach (string project in lastproject) {
146:	XmlElement element = doc.CreateElement("PROJECT");
147:	element.InnerText = project;
148:	lastprojects.AppendChild(element);
149:	}
150:
151:	recent.AppendChild(lastfiles);
152:	recent.AppendChild(lastprojects);
153:
154:	return recent;
155:	}
156:	}
157:	}