-
Notifications
You must be signed in to change notification settings - Fork 2
/
MainForm.cs
200 lines (163 loc) · 5.59 KB
/
MainForm.cs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
using System;
using System.Diagnostics;
using System.Windows.Forms;
namespace HostsManager
{
public partial class MainForm : Form
{
private ResolutionTester tester;
public MainForm()
{
InitializeComponent();
Refresh(true);
UnmarkUnsavedChanges();
}
private void UnmarkUnsavedChanges()
{
unsavedNotifier.Hide();
}
private void MarkUnsavedChanges()
{
unsavedNotifier.Show();
Refresh(false); // soft refresh - update preview
}
private bool HasUnsavedChanges()
{
return unsavedNotifier.Visible;
}
public void Refresh(Boolean fromFile)
{
if (fromFile && HasUnsavedChanges() && MessageBox.Show("You have unsaved changes. These will be overwritten.\nProceed anyway?", "Are you sure?", MessageBoxButtons.YesNo, MessageBoxIcon.Exclamation) != System.Windows.Forms.DialogResult.Yes)
{
return;
}
statusPath.Text = HostsFileManager.Filename;
if (fromFile)
{
HostsFileManager.RefreshData();
UnmarkUnsavedChanges();
}
SyntaxHighlighter.Highlight(HostsFileManager.GenerateHostsLines(), richTextBox1, listView1);
listView1_SelectedIndexChanged(null, null);
}
private void toolStripButton4_Click(object sender, EventArgs e)
{
Process.Start("cmd.exe", "/c \"ipconfig /flushdns\"");
}
private void toolStripButton2_Click(object sender, EventArgs e)
{
Refresh(true);
}
private void toolStripButton3_Click(object sender, EventArgs e)
{
if (this.tester == null || this.tester.IsDisposed)
{
this.tester = new ResolutionTester();
this.tester.FormClosed += new FormClosedEventHandler(tester_FormClosed);
tester.Show();
}
else
{
tester.WindowState = FormWindowState.Normal;
tester.Activate();
}
}
private void tester_FormClosed(object sender, FormClosedEventArgs e)
{
this.tester.Dispose();
this.tester = null;
}
private void label1_Click(object sender, EventArgs e)
{
}
private void toggleEnabledToolStripMenuItem_Click(object sender, EventArgs e)
{
ListViewItem selectedItem = GetSelectedEntry();
if (selectedItem == null)
{
return;
}
String hostname = (String)selectedItem.Tag;
HostsEntry entry = HostsFileManager.FindEntry(hostname);
if (entry == null)
{
return;
}
entry.Enabled = !entry.Enabled;
MarkUnsavedChanges();
}
private ListViewItem GetSelectedEntry()
{
if (listView1.SelectedItems.Count != 1)
{
return null;
}
return listView1.SelectedItems[0];
}
private void deleteToolStripMenuItem_Click(object sender, EventArgs e)
{
ListViewItem selectedItem = GetSelectedEntry();
if (selectedItem == null)
{
return;
}
String hostname = (String)selectedItem.Tag;
HostsFileManager.DeleteEntry(hostname);
MarkUnsavedChanges();
}
private void editToolStripMenuItem_Click(object sender, EventArgs e)
{
ListViewItem selectedItem = GetSelectedEntry();
if (selectedItem == null)
{
return;
}
String hostname = (String)selectedItem.Tag;
HostsEntry entry = HostsFileManager.FindEntry(hostname);
if (entry == null)
{
return;
}
EditDialog dialog = new EditDialog(entry);
if (dialog.ShowDialog() == DialogResult.OK)
{
MarkUnsavedChanges();
this.Refresh(false);
}
}
private void listView1_SelectedIndexChanged(object sender, EventArgs e)
{
// Hide all edit-specific items in the context menu if there is no active selection, leaving only the "Create new...".
bool enableEditOptions = GetSelectedEntry() != null;
foreach (Object item in contextMenuStrip1.Items)
{
if (item.GetType() == typeof(ToolStripMenuItem))
{
ToolStripMenuItem menuItem = (ToolStripMenuItem)item;
menuItem.Visible = enableEditOptions;
}
else if (item.GetType() == typeof(ToolStripSeparator))
{
ToolStripSeparator sepItem = (ToolStripSeparator)item;
sepItem.Visible = enableEditOptions;
}
}
addNewToolStripMenuItem.Visible = true;
}
private void toolStripButton1_Click(object sender, EventArgs e)
{
HostsFileManager.Save();
UnmarkUnsavedChanges();
Refresh(true);
}
private void addNewToolStripMenuItem_Click(object sender, EventArgs e)
{
EditDialog dialog = new EditDialog();
if (dialog.ShowDialog() == DialogResult.OK)
{
MarkUnsavedChanges();
this.Refresh(false);
}
}
}
}