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ReplaceForm.cs
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ReplaceForm.cs
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using System;
using System.Windows.Forms;
using System.Text.RegularExpressions;
using System.Collections.Generic;
namespace UyghurEditPP
{
public partial class ReplaceForm : Form
{
TextEditor tb;
bool firstSearch = true;
public ReplaceForm(TextEditor tb)
{
InitializeComponent();
this.tb = tb;
}
private void btClose_Click(object sender, EventArgs e)
{
Close();
}
private void btFindNext_Click(object sender, EventArgs e)
{
try
{
if (!Find(tbFind.Text))
MessageBox.Show("Not found");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
public List<Range> FindAll(string pattern)
{
var opt = cbMatchCase.Checked ? RegexOptions.None : RegexOptions.IgnoreCase;
if (!cbRegex.Checked)
pattern = Regex.Escape(pattern);
if (cbWholeWord.Checked)
pattern = "\\b" + pattern + "\\b";
//
var range = tb.Selection.IsEmpty? tb.Range.Clone() : tb.Selection.Clone();
//
var list = new List<Range>();
foreach (var r in range.GetRangesByLines(pattern, opt))
list.Add(r);
return list;
}
public bool Find(string pattern)
{
RegexOptions opt = cbMatchCase.Checked ? RegexOptions.None : RegexOptions.IgnoreCase;
if (!cbRegex.Checked)
pattern = Regex.Escape(pattern);
if (cbWholeWord.Checked)
pattern = "\\b" + pattern + "\\b";
//
Range range = tb.Selection.Clone();
range.Normalize();
//
if (firstSearch)
{
startPlace = range.Start;
firstSearch = false;
}
//
range.Start = range.End;
if (range.Start >= startPlace)
range.End = new Place(tb.GetLineLength(tb.LinesCount - 1), tb.LinesCount - 1);
else
range.End = startPlace;
//
foreach (var r in range.GetRangesByLines(pattern, opt))
{
tb.Selection.Start = r.Start;
tb.Selection.End = r.End;
tb.DoSelectionVisible();
tb.Invalidate();
return true;
}
if (range.Start >= startPlace && startPlace > Place.Empty)
{
tb.Selection.Start = new Place(0, 0);
return Find(pattern);
}
return false;
}
private void tbFind_KeyPress(object sender, KeyPressEventArgs e)
{
if (e.KeyChar == '\r')
btFindNext_Click(sender, null);
if (e.KeyChar == '\x1b')
Hide();
}
protected override bool ProcessCmdKey(ref Message msg, Keys keyData) // David
{
if (keyData == Keys.Escape)
{
this.Close();
return true;
}
return base.ProcessCmdKey(ref msg, keyData);
}
private void ReplaceForm_FormClosing(object sender, FormClosingEventArgs e)
{
if (e.CloseReason == CloseReason.UserClosing)
{
e.Cancel = true;
Hide();
}
this.tb.Focus();
}
private void btReplace_Click(object sender, EventArgs e)
{
try
{
if (tb.SelectionLength != 0){
//tb.InsertText(tbReplace.Text);
}
btFindNext_Click(sender, null);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void btReplaceAll_Click(object sender, EventArgs e)
{
try
{
//tb.Selection.BeginUpdate();
//search
var ranges = FindAll(tbFind.Text);
//check readonly
var ro = false;
foreach (var r in ranges)
if (r.ReadOnly)
{
ro = true;
break;
}
//replace
if (!ro)
if (ranges.Count > 0)
{
tb.TextSource.Manager.ExecuteCommand(new ReplaceTextCommand(tb.TextSource, ranges, tbReplace.Text));
tb.Selection.Start = new Place(0, 0);
}
//
tb.Invalidate();
MessageBox.Show(ranges.Count + " occurrence(s) replaced");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
protected override void OnActivated(EventArgs e)
{
tbFind.Focus();
ResetSearch();
}
void ResetSearch()
{
firstSearch = true;
}
private void cbMatchCase_CheckedChanged(object sender, EventArgs e)
{
ResetSearch();
}
}
}