test_searchandfind_v1_test_.../Test_SearchAndFind/Form1.cs
2020-11-26 17:37:27 +01:00

382 lines
12 KiB
C#

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace Test_SearchAndFind
{
public partial class Form1 : Form
{
#region Version und Copyright
// Version und Copyright
string programName = Path.GetFileNameWithoutExtension(System.Reflection.Assembly.GetExecutingAssembly().GetName().CodeBase); //Den Programmnamen auslesen
string programVersion = System.Reflection.Assembly.GetExecutingAssembly().GetName().Version.ToString();
static object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyCopyrightAttribute), false);
string copyright = GenerateCopyright();
string icon = Application.StartupPath + "\\Info.bmp";
//Assembly Datum und Zeit
static DateTime value = AssemblyDateTime();
string date = value.ToShortDateString();
string time = value.ToLongTimeString();
private static DateTime AssemblyDateTime()
{
var version = System.Reflection.Assembly.GetExecutingAssembly().GetName().Version;
var buildDateTime = new DateTime(2000, 1, 1).Add(new TimeSpan(TimeSpan.TicksPerDay * version.Build + TimeSpan.TicksPerSecond * 2 * version.Revision));
//Tage seit dem 1. Januar 2000 und Sekunden seit Mitternacht, (multiplizier mit 2 ergibt das Original)
return buildDateTime;
}
private static string CurrentYear()
{
DateTime dtn = DateTime.Now;
return dtn.Year.ToString();
}
private static string StartYear()
{
string startYear = ((AssemblyCopyrightAttribute)attributes[0]).Copyright;
return startYear.Remove(0, startYear.LastIndexOf(" ") + 1);
}
private static string GenerateCopyright()
{
string startYear = StartYear();
string currentYear = CurrentYear();
if (startYear == currentYear)
{
return ((AssemblyCopyrightAttribute)attributes[0]).Copyright;
}
else
{
return String.Concat(((AssemblyCopyrightAttribute)attributes[0]).Copyright, "-", currentYear);
}
}
#endregion
#region Programm-Info
/// <summary>
/// Contains the name of the program file
/// </summary>
public static string ProgramName { set; get; }
/// <summary>
/// Contains the version of the program file
/// </summary>
public static string ProgramVersion { set; get; }
/// <summary>
/// Contains the copyright notice
/// </summary>
public static string Copyright { set; get; }
private void SetProgramInfo()
{
//Name, Version und Copyright setzen
ProgramName = programName;
ProgramVersion = programVersion;
Copyright = copyright;
}
#endregion
public Form1()
{
SetProgramInfo();
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
this.Text = String.Concat("Test_Search, Find and Replace - Version: ", ProgramVersion, " - ", Copyright, " by E. Höglinger");
textBoxText.Focus();
textBoxText.Select(0, 0);
//textBoxSearchstring.Focus();
//textBoxSearchstring.Text = "";
this.ActiveControl = textBoxSearchstring;
}
List<int> AllPositions = new List<int>();
int SelectedPosition { set; get; }
private List<int> Positions(string myText, string searchText)
{
List<int> pos = new List<int>();
if (String.IsNullOrEmpty(myText) || String.IsNullOrEmpty(searchText))
{
return pos;
}
int tempPos = 0;
int currentPos = 0;
while (myText.Contains(searchText))
{
if (checkBoxFullword.Checked)
{
//Nur ganzes Wort suchen
currentPos = IndexOfWord(myText, searchText);
}
else
{
//Suchstring suchen
currentPos = myText.IndexOf(searchText);
}
tempPos += currentPos;
pos.Add(tempPos);
tempPos += searchText.Length;
myText = myText.Remove(0, currentPos + searchText.Length);
if (currentPos == -1)
{
break;
}
}
return pos;
}
private Regex myRegex;
public int IndexOfWord(string myString, string myWord)
{
myRegex = new Regex("\\b" + Regex.Escape(myWord) + "\\b", RegexOptions.Compiled);
Match mtch = myRegex.Match(myString);
if (mtch.Success)
return mtch.Index;
else
return -1;
}
private void Search()
{
AllPositions.Clear();
string fullText = textBoxText.Text;
string searchText = textBoxSearchstring.Text;
if (checkBoxCase.Checked)
{
//Groß-/Kleinschreibung ignorieren
fullText = fullText.ToLower();
searchText = searchText.ToLower();
}
if (!String.IsNullOrEmpty(searchText) && fullText.Contains(searchText))
{
AllPositions = Positions(fullText, searchText);
SelectedPosition = 0;
if (AllPositions[SelectedPosition] != -1)
{
SelectSearchString(AllPositions[SelectedPosition], searchText.Length);
}
else
{
MessageBox.Show("Es wurde kein (weiterer) Suchtext gefunden");
}
}
else
{
MessageBox.Show("Es wurde kein (weiterer) Suchtext gefunden");
}
}
private void Previous()
{
if (!String.IsNullOrEmpty(textBoxSearchstring.Text))
{
if (AllPositions.Count == 0)
{
Search();
if (textBoxText.Text.Contains(textBoxSearchstring.Text))
{
Previous(); //Den letzten gefundenen Suchstring selektieren
}
}
else if (SelectedPosition > 0)
{
//Position um eins verringern und Suchstring im Text selektieren
SelectedPosition--;
SelectSearchString(AllPositions[SelectedPosition], textBoxSearchstring.Text.Length);
}
else
{
//Selected Position auf die letzte Position setzten und Suchstring im Text selektieren
SelectedPosition = AllPositions.Count - 1;
SelectSearchString(AllPositions[SelectedPosition], textBoxSearchstring.Text.Length);
}
}
}
private void Next()
{
if (!String.IsNullOrEmpty(textBoxSearchstring.Text))
{
if (AllPositions.Count == 0)
{
Search();
}
else if (SelectedPosition + 1 < AllPositions.Count)
{
//Position um eins erhöhen und Suchstring im Text selektieren
SelectedPosition++;
SelectSearchString(AllPositions[SelectedPosition], textBoxSearchstring.Text.Length);
}
else
{
//Selected Position auf 0 setzten und Suchstring im Text selektieren
SelectedPosition = 0;
SelectSearchString(AllPositions[SelectedPosition], textBoxSearchstring.Text.Length);
}
}
}
private int Replace()
{
if (AllPositions[SelectedPosition] != -1)
{
textBoxText.Text = textBoxText.Text.Remove(AllPositions[SelectedPosition], textBoxSearchstring.Text.Length);
textBoxText.Text = textBoxText.Text.Insert(AllPositions[SelectedPosition], textBoxReplaceText.Text);
textBoxText.Refresh();
Search(); //Neu durchsuchen, damit die Starindexes wieder passen
return 0; //Ende noch nicht erreicht
}
else
{
return -1; //Ende erreicht
}
}
private void ReplaceAll()
{
string fullText = textBoxText.Text;
string searchText = textBoxSearchstring.Text;
if (checkBoxCase.Checked)
{
//Groß-/Kleinschreibung ignorieren
fullText = fullText.ToLower();
searchText = searchText.ToLower();
}
int nextRun = 0;
while (fullText.Contains(searchText) && nextRun != -1)
{
nextRun = Replace();
fullText = textBoxText.Text;
if (checkBoxCase.Checked)
{
//Groß-/Kleinschreibung ignorieren
fullText = fullText.ToLower();
}
}
textBoxReplaceText.Focus();
}
private void SelectSearchString(int position, int length)
{
if (position != -1)
{
textBoxText.Focus();
textBoxText.Select(position, length);
textBoxText.Refresh();
}
}
private void textBoxSearchstring_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Enter)
{
Search();
//TODO: Test
var suche = new Search(textBoxText.Text, textBoxSearchstring.Text, checkBoxCase.Checked, checkBoxFullword.Checked);
string pos = "Es wurden " + suche.AllPositions.Count + " Übereinstimmungen\r\nan diesen Positionen gefunden:";
foreach (var item in suche.AllPositions)
{
pos = String.Concat(pos, "\r\n", item);
}
pos = String.Concat(pos, "\r\nAktuelle Cursor Position: ", suche.CurrentCursorPosition, "\r\nEs ist ein Fehler passiert: ", suche.Error.ToString());
MessageBox.Show(pos);
for (int i = 0; i < 6; i++)
{
suche.NextPosition();
MessageBox.Show(pos + "\r\n\r\nIndex erhöhen\r\nIndex: " + suche.Index + "\r\nCursorposition: " + suche.CurrentCursorPosition);
}
for (int i = 0; i < 8; i++)
{
suche.PreviousPosition();
MessageBox.Show(pos + "\r\n\r\nIndex veringern\r\nIndex: " + suche.Index + "\r\nCursorposition: " + suche.CurrentCursorPosition);
}
}
}
private void textBoxSearchstring_TextChanged(object sender, EventArgs e)
{
AllPositions.Clear();
}
private void checkBoxCase_CheckedChanged(object sender, EventArgs e)
{
if (!String.IsNullOrEmpty(textBoxSearchstring.Text))
{
Search();
}
}
private void checkBoxFullword_CheckedChanged(object sender, EventArgs e)
{
if (!String.IsNullOrEmpty(textBoxSearchstring.Text))
{
Search();
}
}
private void buttonPrevious_Click(object sender, EventArgs e)
{
Previous();
}
private void buttonNext_Click(object sender, EventArgs e)
{
Next();
}
private void textBoxReplaceText_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Enter)
{
textBoxText.Focus();
}
}
private void buttonReplace_Click(object sender, EventArgs e)
{
Replace();
}
private void buttonReplaceAll_Click(object sender, EventArgs e)
{
ReplaceAll();
}
}
}