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FindReplace.cs
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FindReplace.cs
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using System;
using System.Linq;
using System.Windows.Forms;
namespace DarkNotepad
{
public partial class FindReplace : Form
{
public bool matchCase = false;
private Notepad dnp = Application.OpenForms.OfType<Notepad>().First();
private int index;
private bool overrideIndex = true;
private string replaceWith = string.Empty;
public FindReplace()
{
InitializeComponent();
matchCase = Settings1.Default.MatchCase;
textBox1.Text = Settings1.Default.FindNextPrev;
if (matchCase)
{
pictureBox1.Image = dnp.Check2;
}
else
{
pictureBox1.Image = dnp.Check;
}
}
// This simple function decides whether the 'matchCase' should be true or false.
private void pictureBox1_MouseClick(object sender, MouseEventArgs e)
{
matchCase = !matchCase;
Settings1.Default.MatchCase = matchCase;
Settings1.Default.Save();
if (matchCase)
{
pictureBox1.Image = dnp.Check2;
}
else
{
pictureBox1.Image = dnp.Check;
}
}
private void FindReplace_Load(object sender, EventArgs e)
{
updateThemeColors();
}
// Button1 is responsible for finding the previous matching string in the file.
// it works by selecting the last matching string till where the selection is,
// (before the selection)
// if the user reached the beginning while still trying to find a string the selection
// will reset to the last matched string in the file.
public void button1_Click(object sender, EventArgs e)
{
if (textBox1.Text == String.Empty) return;
string richTextAnalyze = dnp.richTextBox1.Text;
string find = textBox1.Text;
if (!matchCase)
{
richTextAnalyze = richTextAnalyze.ToLower();
find = find.ToLower();
}
if (!richTextAnalyze.Contains(find))
{
label4.Text = String.Format("Cannot find \"{0}\"", textBox1.Text);
label4.Visible = true;
if (!this.Visible)
{
WarningBox WB = new WarningBox(String.Format("Cannot find \"{0}\"", textBox1.Text));
WB.createButton(null, null, "Okay", "CloseWarningBox", 70);
WB.StartPosition = FormStartPosition.CenterScreen;
WB.Show();
WB.BringToFront();
WB = null;
}
return;
}
label4.Visible = false;
if (overrideIndex)
{
index = dnp.richTextBox1.SelectionStart;
overrideIndex = false;
}
if (index < 0)
index = dnp.richTextBox1.Text.Length;
string TextAnalyze = richTextAnalyze.Substring(0, index);
if (TextAnalyze.Contains(find))
{
dnp.richTextBox1.Select(TextAnalyze.LastIndexOf(find), find.Length);
dnp.richTextBox1.Focus();
index = dnp.richTextBox1.SelectionStart;
}
else
{
index = dnp.richTextBox1.Text.Length;
button1_Click(sender, e);
}
richTextAnalyze = null;
TextAnalyze = null;
find = null;
}
// Button2 is responsible for finding the next matching string in the file.
// it works by selecting the first matching string from where the selection is,
// (after the selection)
// if the user reached the end while still trying to find a string the selection
// will reset to the first matched string in the file.
public void button2_Click(object sender, EventArgs e)
{
if (textBox1.Text == String.Empty) return;
string richTextAnalyze = dnp.richTextBox1.Text;
string find = textBox1.Text;
if (!matchCase)
{
richTextAnalyze = richTextAnalyze.ToLower();
find = find.ToLower();
}
if (!richTextAnalyze.Contains(find))
{
label4.Text = String.Format("Cannot find \"{0}\"", textBox1.Text);
label4.Visible = true;
if (!this.Visible)
{
WarningBox WB = new WarningBox(String.Format("Cannot find \"{0}\"", textBox1.Text));
WB.createButton(null, null, "Okay", "CloseWarningBox", 70);
WB.StartPosition = FormStartPosition.CenterScreen;
WB.Show();
WB.BringToFront();
WB = null;
}
return;
}
label4.Visible = false;
if (overrideIndex)
{
index = dnp.richTextBox1.SelectionStart + dnp.richTextBox1.SelectionLength;
overrideIndex = false;
}
if (replaceWith != string.Empty)
{
string replaceText = dnp.richTextBox1.SelectedText;
int selectStart = dnp.richTextBox1.SelectionStart;
if (!matchCase)
{
replaceText = replaceText.ToLower();
}
if (replaceText == find)
{
int oldTextLength = dnp.richTextBox1.SelectedText.Length;
dnp.richTextBox1.SelectedText = replaceWith;
dnp.richTextBox1.Select(selectStart, replaceWith.Length);
richTextAnalyze = dnp.richTextBox1.Text;
if (!matchCase)
{
richTextAnalyze = richTextAnalyze.ToLower();
}
if (replaceWith.Length - oldTextLength < 0)
{
index += replaceWith.Length - oldTextLength;
}
}
replaceText = null;
replaceWith = string.Empty;
}
if (index > dnp.richTextBox1.Text.Length)
index = 0;
string TextAnalyze = richTextAnalyze.Substring(index);
if (TextAnalyze.Contains(find))
{
dnp.richTextBox1.Select(TextAnalyze.IndexOf(find) + index, find.Length);
index = dnp.richTextBox1.SelectionStart + find.Length;
}
else
{
index = 0;
button2_Click(sender, e);
}
richTextAnalyze = null;
TextAnalyze = null;
find = null;
}
// Button3(Replace) and Button4(Replace All) rely on the previous buttons to
// replace text.
private void button3_Click(object sender, EventArgs e)
{
if (textBox1.Text == textBox2.Text)
return;
if (textBox1.Text.ToLower() == textBox2.Text.ToLower() && !matchCase)
return;
replaceWith = textBox2.Text;
button2_Click(sender, e);
}
private void button4_Click(object sender, EventArgs e)
{
int whileLoopLimit = 500;
string textBox = dnp.richTextBox1.Text;
string checkFor = textBox1.Text;
if (!matchCase)
{
textBox = textBox.ToLower();
checkFor = checkFor.ToLower();
}
while (textBox.Contains(checkFor))
{
whileLoopLimit--;
if (whileLoopLimit <= 0)
break;
button3_Click(sender, e);
}
}
private void button5_Click(object sender, EventArgs e)
{
this.Close();
}
private void FindReplace_FormClosing(object sender, FormClosingEventArgs e)
{
GC.Collect();
this.Dispose();
dnp.richTextBox1.Focus();
}
private void textBox1_TextChanged(object sender, EventArgs e)
{
Settings1.Default.FindNextPrev = textBox1.Text;
Settings1.Default.Save();
}
private void textBox1_KeyPress(object sender, KeyPressEventArgs e)
{
if (e.KeyChar == (char)Keys.Enter)
{
button2_Click(null, null);
e.Handled = true;
}
}
private void textBox2_KeyPress(object sender, KeyPressEventArgs e)
{
if (e.KeyChar == (char)Keys.Enter)
{
button3_Click(null, null);
e.Handled = true;
}
}
public void updateThemeColors()
{
SettingsStylize SStylize = SettingsStylize.Default;
BackColor = SStylize.Background;
ForeColor = SStylize.Text;
textBox1.BackColor = SStylize.TextBox;
textBox1.ForeColor = SStylize.TextBox_Text;
textBox2.BackColor = SStylize.TextBox;
textBox2.ForeColor = SStylize.TextBox_Text;
button1.BackColor = SStylize.Button;
button1.FlatAppearance.BorderColor = SStylize.Button_Border;
button1.FlatAppearance.MouseOverBackColor = SStylize.Button_Highlight;
button1.FlatAppearance.MouseDownBackColor = SStylize.Button_Pressed;
button1.ForeColor = SStylize.Button_Text;
button2.BackColor = SStylize.Button;
button2.FlatAppearance.BorderColor = SStylize.Button_Border;
button2.FlatAppearance.MouseOverBackColor = SStylize.Button_Highlight;
button2.FlatAppearance.MouseDownBackColor = SStylize.Button_Pressed;
button2.ForeColor = SStylize.Button_Text;
button3.BackColor = SStylize.Button;
button3.FlatAppearance.BorderColor = SStylize.Button_Border;
button3.FlatAppearance.MouseOverBackColor = SStylize.Button_Highlight;
button3.FlatAppearance.MouseDownBackColor = SStylize.Button_Pressed;
button3.ForeColor = SStylize.Button_Text;
button4.BackColor = SStylize.Button;
button4.FlatAppearance.BorderColor = SStylize.Button_Border;
button4.FlatAppearance.MouseOverBackColor = SStylize.Button_Highlight;
button4.FlatAppearance.MouseDownBackColor = SStylize.Button_Pressed;
button4.ForeColor = SStylize.Button_Text;
button5.BackColor = SStylize.Button;
button5.FlatAppearance.BorderColor = SStylize.Button_Border;
button5.FlatAppearance.MouseOverBackColor = SStylize.Button_Highlight;
button5.FlatAppearance.MouseDownBackColor = SStylize.Button_Pressed;
button5.ForeColor = SStylize.Button_Text;
label1.BackColor = SStylize.Background;
label1.ForeColor = SStylize.Text;
label2.BackColor = SStylize.Background;
label2.ForeColor = SStylize.Text;
label3.BackColor = SStylize.Background;
label3.ForeColor = SStylize.Text;
label4.BackColor = SStylize.Background;
label4.ForeColor = SStylize.Text_Error;
}
}
}