private void ReplaceButton_Click(object sender, EventArgs e)
{
if (Find_TextBox.Text.Length <= 0)
{
MessageBox.Show("You didn't enter anything to search for. Please Try Again");
}
if (Replace_TextBox.Text.Length <= 0)
{
MessageBox.Show("You didn't enter anything to replace with. Please Try Again");
}
if (findNextPhrase)
{
MessageBox.Show("You need to find something before you can try replacing it...");
}
else if (findNextPhrase == false)
{
Editor_TextBox.Text = Editor_TextBox.Text.Remove(startPosition - endPosition, Find_TextBox.Text.Length);
Editor_TextBox.Text = Editor_TextBox.Text.Insert(startPosition - endPosition, Replace_TextBox.Text);
endPosition = this.Replace_TextBox.Text.Length;
startPosition = startPosition + endPosition;
endEditor = Editor_TextBox.Text.Length;
startPosition = Editor_TextBox.SelectionStart + 1;
if (previousSearchPhrase != Find_TextBox.Text)
{
endPosition = 0;
numPhraseFound = 0;
}
for (int i = 0; i < endEditor; i = startPosition)
{
previousSearchPhrase = this.Find_TextBox.Text;
isCurrentlySearching = true;
if (i == -1)
{
isCurrentlySearching = false;
break;
}
startPosition = Editor_TextBox.Find(Find_TextBox.Text, startPosition, endEditor, RichTextBoxFinds.None);
if (startPosition >= 0)
{
numPhraseFound++;
//Editor_TextBox.SelectionColor = Color.Blue; //saving this value for later use
endPosition = this.Find_TextBox.Text.Length;
startPosition = startPosition + endPosition;
break;
}
}
}
}
private void FindText()
{
if (Find_TextBox.Text.Length <= 0)
{
MessageBox.Show("You didn't enter anything to search for. Please Try Again");
}
else
{
findNextPhrase = true;
endEditor = Editor_TextBox.Text.Length;
startPosition = Editor_TextBox.SelectionStart + 1;
if (previousSearchPhrase != Find_TextBox.Text)
{
endPosition = 0;
numPhraseFound = 0;
}
for (int i = 0; i < endEditor; i = startPosition)
{
previousSearchPhrase = this.Find_TextBox.Text;
isCurrentlySearching = true;
if (i == -1)
{
isCurrentlySearching = false;
break;
}
if (startPosition >= endEditor)
{
MessageBox.Show("Reached the end of the file");
break;
}
startPosition = Editor_TextBox.Find(Find_TextBox.Text, startPosition, endEditor, RichTextBoxFinds.None);
if (startPosition >= 0)
{
findNextPhrase = false;
numPhraseFound++;
//Editor_TextBox.SelectionColor = Color.Blue; //saving this value for later use
endPosition = this.Find_TextBox.Text.Length;
startPosition = startPosition + endPosition;
break;
}
if (numPhraseFound == 0)
{
MessageBox.Show("No Match Found!!!");
}
}
}
}
private void FindText()
{
endEditor = Editor_TextBox.Text.Length;
startPosition = Editor_TextBox.SelectionStart + 1;
if (previousSearchPhrase != Find_TB.Text)
{
startPosition = 0;
endPosition = Find_TB.Text.Length;
numPhrasesFound = 0;
}
for (int i = 0; i < endEditor; i = startPosition)
{
searchPhrase_selected = false;
if (i == -1)
{
MessageBox.Show("Reached the end of the file");
break;
}
if (startPosition >= endEditor)
{
startPosition = 0;
break;
}
startPosition = Editor_TextBox.Find(Find_TB.Text, startPosition, endEditor, RichTextBoxFinds.None);
if (startPosition >= 0)
{
numPhrasesFound++;
searchPhrase_selected = true;
endPosition = this.Find_TB.Text.Length;
startPosition = startPosition + endPosition;
previousSearchPhrase = this.Find_TB.Text;
break;
}
if (numPhrasesFound == 0)
{
MessageBox.Show("No Match Found!!!");
break;
}
}
}
private void SearchForPairs()
{
int duplicate = -1;
string searchDirection = "";
string searchText = "";
int index = Editor_TextBox.SelectionStart;
char[] ch = Editor_TextBox.Text.ToCharArray();
char selectedText;
int duplicatesFound = 0;
endEditor = Editor_TextBox.Text.Length;
startPosition = Editor_TextBox.SelectionStart;
if (index - 1 < 0)
{
index = 0;
}
else if (index - 1 > Editor_TextBox.Text.Length)
{
index = Editor_TextBox.Text.Length;
}
selectedText = ch[index - 1];
switch (selectedText)
{
case '[':
searchDirection = "down";
searchText = "]";
break;
case ']':
searchDirection = "up";
searchText = "[";
break;
case '{':
searchDirection = "down";
searchText = "}";
break;
case '}':
searchDirection = "up";
searchText = "{";
break;
case '(':
searchDirection = "down";
searchText = ")";
break;
case ')':
searchDirection = "up";
searchText = "(";
break;
}
for (int i = 0; i < endEditor + 1; i = startPosition)
{
duplicate = -1;
if (startPosition >= endEditor + 1 || i == -1)
{
break;
}
else
{
if (searchDirection == "down")
{
startPosition = Editor_TextBox.Find(searchText, index, endEditor + 1, RichTextBoxFinds.None);
if (startPosition >= 0)
{
//we found the character, lets make sure its the correct match to our pair
duplicate = Editor_TextBox.Find(selectedText.ToString(), index, startPosition + 1, RichTextBoxFinds.NoHighlight);
if (duplicate != -1)
{
duplicatesFound++;
index = duplicate + 1;
}
else
{
if (duplicatesFound != 0)
{
index = startPosition + 1;
duplicatesFound--;
}
else
{
break;
}
}
}
else
{
break;
}
}
else
{
startPosition = Editor_TextBox.Find(searchText, 0, index, RichTextBoxFinds.Reverse);
if (startPosition >= 0)
{
//we found the character, lets make sure its the match
duplicate = Editor_TextBox.Find(selectedText.ToString(), startPosition, index - 1, RichTextBoxFinds.Reverse | RichTextBoxFinds.NoHighlight);
if (duplicate != -1)
{
duplicatesFound++;
index = duplicate - 1;
}
else
{
if (duplicatesFound != 0)
{
index = startPosition - 1;
duplicatesFound--;
}
else
{
break;
}
}
}
else
{
break;
}
}
}
}
}
