private void FireTapped(VisualHelperTypes type)
{
m_onHelperTapped.Raise(this, new OnHelperTappedArgs()
{
Type = type
});
}
/// <summary>
/// Preforms the selected edit type on the text box given.
/// </summary>
/// <param name="textBox"></param>
/// <param name="editType"></param>
public static void DoEdit(TextBox textBox, VisualHelperTypes editType)
{
// First refocus the text box since the user clicked a button.
// We need to do this quickly so the virt keyboard doesn't move.
textBox.Focus(FocusState.Programmatic);
// Get some vars
int selStart = textBox.SelectionStart;
int selLength = textBox.SelectionLength;
int newLineSelOffset = 0;
string curText = textBox.Text;
string insertNewLine = null;
string insertAtEnd = null;
bool isLink = false;
bool hasExampleText = false;
// For some reason the SelectionStart count /r/n as 1 instead of two. So add one for each /r/n we find.
for (int count = 0; count < selStart + newLineSelOffset; count++)
{
if (curText[count] == '\r' && count + 1 < curText.Length && curText[count + 1] == '\n')
{
newLineSelOffset++;
}
}
// Depending on the type see what we can do.
switch (editType)
{
case HelperControls.VisualHelperTypes.Bold:
if (selLength != 0)
{
// Wrap the selected text
textBox.Text = curText.Insert(selStart + newLineSelOffset + selLength, "**").Insert(selStart + newLineSelOffset, "**");
}
else
{
// Or add to the end
insertAtEnd = $"**{c_exampleText}**";
hasExampleText = true;
}
break;
case HelperControls.VisualHelperTypes.Italic:
if (selLength != 0)
{
// Wrap the selected text
textBox.Text = curText.Insert(selStart + newLineSelOffset + selLength, "*").Insert(selStart + newLineSelOffset, "*");
}
else
{
// Or add to the end
insertAtEnd = $"*{c_exampleText}*";
hasExampleText = true;
}
break;
case HelperControls.VisualHelperTypes.Link:
if (selLength != 0)
{
// Wrap the selected text
textBox.Text = curText.Insert(selStart + newLineSelOffset + selLength, $"]({c_exampleUrl})").Insert(selStart + newLineSelOffset, "[");
}
else
{
// Or add to the end
insertAtEnd = $"[{c_exampleText}]({c_exampleUrl})";
}
isLink = true;
break;
case HelperControls.VisualHelperTypes.NewLine:
int injectPos = selStart + newLineSelOffset;
// Inject the new line at the current pos
textBox.Text = curText.Insert(injectPos, " \r\n");
// Move the selection to the end of insert
textBox.SelectionStart = injectPos + 3 - newLineSelOffset;
break;
case HelperControls.VisualHelperTypes.Quote:
insertNewLine = "> ";
break;
case HelperControls.VisualHelperTypes.List:
insertNewLine = "* ";
break;
case HelperControls.VisualHelperTypes.NumberedList:
insertNewLine = "1. ";
break;
case HelperControls.VisualHelperTypes.Code:
insertNewLine = " ";
break;
}
// If the insert on new line is not null we need to find the last new line and
// insert the text.
if (insertNewLine != null)
{
// Search for a new line.
int offsetSelStart = selStart + newLineSelOffset;
int searchStart = offsetSelStart == curText.Length ? offsetSelStart - 1 : offsetSelStart;
// Try to find it the new line before the cursor
int indexLastNewLine = curText.LastIndexOf('\n', searchStart);
// We need to make sure there are two new lines before this block
int searchNewlineCount = indexLastNewLine - 1;
while (searchNewlineCount > 0)
{
// If we find an /r just move on.
if (curText[searchNewlineCount] == '\r')
{
searchNewlineCount--;
continue;
}
// If we find an /n we are good.
else if (curText[searchNewlineCount] == '\n')
{
break;
}
// If it is anything else we need to add it.
else
{
insertNewLine = "\r\n" + insertNewLine;
break;
}
}
// Insert the text
textBox.Text = curText.Insert(indexLastNewLine + 1, insertNewLine);
// If where we ended up inserting was after where the selection was move it to the end.
if (indexLastNewLine == -1 || (offsetSelStart + insertNewLine.Length) < indexLastNewLine)
{
textBox.SelectionStart = offsetSelStart - newLineSelOffset + insertNewLine.Length;
}
else
{
// If not move it back to where it was + our what we inserted.
textBox.SelectionStart = selStart + insertNewLine.Length;
}
}
// If this isn't null we have something to add at the end of the current text.
if (insertAtEnd != null)
{
// If the last char isn't a space add one.
if (textBox.Text.Length > 0 && !Char.IsWhiteSpace(textBox.Text[textBox.Text.Length - 1]))
{
textBox.Text += ' ';
}
textBox.Text += insertAtEnd;
textBox.SelectionStart = textBox.Text.Length;
}
// If we added a link try to select the example url
if (isLink)
{
int urlStart = textBox.Text.LastIndexOf(c_exampleUrl);
if (urlStart != -1 && textBox.Text.Length > urlStart + c_exampleUrl.Length)
{
// +7 -7 so we don't selected the http://
textBox.SelectionStart = urlStart + 7 - newLineSelOffset;
textBox.SelectionLength = c_exampleUrl.Length - 7;
}
}
// If we have example text try to select it
if (hasExampleText)
{
// Note we could accidentally select the word "example" anywhere in the text box...
// but that's ok for now.
int exampleStart = textBox.Text.LastIndexOf(c_exampleText);
if (exampleStart != -1 && textBox.Text.Length > exampleStart + c_exampleText.Length)
{
textBox.SelectionStart = exampleStart - newLineSelOffset;
textBox.SelectionLength = c_exampleText.Length;
}
}
}
private void FireTapped(VisualHelperTypes type)
{
m_onHelperTapped.Raise(this, new OnHelperTappedArgs() { Type = type });
}
/// <summary>
/// Preforms the selected edit type on the text box given.
/// </summary>
/// <param name="textBox"></param>
/// <param name="editType"></param>
public static void DoEdit(TextBox textBox, VisualHelperTypes editType)
{
// First refocus the text box since the user clicked a button.
// We need to do this quickly so the virt keyboard doesn't move.
textBox.Focus(FocusState.Programmatic);
// Get some vars
int selStart = textBox.SelectionStart;
int selLength = textBox.SelectionLength;
string curText = textBox.Text;
string insertNewLine = null;
string insertAtEnd = null;
bool isLink = false;
bool hasExampleText = false;
// Depending on the type see what we can do.
switch (editType)
{
case HelperControls.VisualHelperTypes.Bold:
if (selLength != 0)
{
// Wrap the selected text
textBox.Text = curText.Insert(selStart + selLength, "**").Insert(selStart, "**");
}
else
{
// Or add to the end
insertAtEnd = $"**{c_exampleText}**";
hasExampleText = true;
}
break;
case HelperControls.VisualHelperTypes.Italic:
if (selLength != 0)
{
// Wrap the selected text
textBox.Text = curText.Insert(selStart + selLength, "*").Insert(selStart, "*");
}
else
{
// Or add to the end
insertAtEnd = $"*{c_exampleText}*";
hasExampleText = true;
}
break;
case HelperControls.VisualHelperTypes.Link:
if (selLength != 0)
{
// Wrap the selected text
textBox.Text = curText.Insert(selStart + selLength, $"]({c_exampleUrl})").Insert(selStart, "[");
}
else
{
// Or add to the end
insertAtEnd = $"[{c_exampleText}]({c_exampleUrl})";
}
isLink = true;
break;
case HelperControls.VisualHelperTypes.NewLine:
int injectPos = selStart;
// Inject the new line at the current pos
textBox.Text = curText.Insert(injectPos, " \r\n");
// Move the selection to the end of insert
textBox.SelectionStart = injectPos + 3;
break;
case HelperControls.VisualHelperTypes.Quote:
insertNewLine = "> ";
break;
case HelperControls.VisualHelperTypes.List:
insertNewLine = "* ";
break;
case HelperControls.VisualHelperTypes.NumberedList:
insertNewLine = "1. ";
break;
case HelperControls.VisualHelperTypes.Code:
insertNewLine = " ";
break;
}
// If the insert on new line is not null we need to find the last new line and
// insert the text.
if (insertNewLine != null)
{
// Search for a new line.
int searchStart = selStart == curText.Length ? selStart - 1 : selStart;
int indexLastNewLine = curText.LastIndexOf('\n', searchStart);
// Insert the text
textBox.Text = curText.Insert(indexLastNewLine + 1, insertNewLine);
// Move the cur to the end.
textBox.SelectionStart = indexLastNewLine + 1 + insertNewLine.Length;
}
// If this isn't null we have something to add at the end of the current text.
if (insertAtEnd != null)
{
// If the last char isn't a space add one.
if (textBox.Text.Length > 0 && !Char.IsWhiteSpace(textBox.Text[textBox.Text.Length - 1]))
{
textBox.Text += ' ';
}
textBox.Text += insertAtEnd;
textBox.SelectionStart = textBox.Text.Length;
}
// If we added a link try to select the example url
if (isLink)
{
int urlStart = textBox.Text.IndexOf(c_exampleUrl);
if(urlStart != -1 && textBox.Text.Length > urlStart + c_exampleUrl.Length)
{
// +7 -7 so we don't selected the http://
textBox.SelectionStart = urlStart + 7;
textBox.SelectionLength = c_exampleUrl.Length - 7;
}
}
// If we have example text try to select it
if (hasExampleText)
{
// Note we could accidentally select the word "example" anywhere in the text box...
// but that's ok for now.
int exampleStart = textBox.Text.IndexOf(c_exampleText);
if (exampleStart != -1 && textBox.Text.Length > exampleStart + c_exampleText.Length)
{
textBox.SelectionStart = exampleStart;
textBox.SelectionLength = c_exampleText.Length;
}
}
}
/// <summary>
/// Preforms the selected edit type on the text box given.
/// </summary>
/// <param name="textBox"></param>
/// <param name="editType"></param>
public static void DoEdit(TextBox textBox, VisualHelperTypes editType)
{
// First refocus the text box since the user clicked a button.
// We need to do this quickly so the virt keyboard doesn't move.
textBox.Focus(FocusState.Programmatic);
// Get some vars
int selStart = textBox.SelectionStart;
int selLength = textBox.SelectionLength;
string curText = textBox.Text;
string insertNewLine = null;
string insertAtEnd = null;
bool isLink = false;
bool hasExampleText = false;
// Depending on the type see what we can do.
switch (editType)
{
case HelperControls.VisualHelperTypes.Bold:
if (selLength != 0)
{
// Wrap the selected text
textBox.Text = curText.Insert(selStart + selLength, "**").Insert(selStart, "**");
}
else
{
// Or add to the end
insertAtEnd = $"**{c_exampleText}**";
hasExampleText = true;
}
break;
case HelperControls.VisualHelperTypes.Italic:
if (selLength != 0)
{
// Wrap the selected text
textBox.Text = curText.Insert(selStart + selLength, "*").Insert(selStart, "*");
}
else
{
// Or add to the end
insertAtEnd = $"*{c_exampleText}*";
hasExampleText = true;
}
break;
case HelperControls.VisualHelperTypes.Link:
if (selLength != 0)
{
// Wrap the selected text
textBox.Text = curText.Insert(selStart + selLength, $"]({c_exampleUrl})").Insert(selStart, "[");
}
else
{
// Or add to the end
insertAtEnd = $"[{c_exampleText}]({c_exampleUrl})";
}
isLink = true;
break;
case HelperControls.VisualHelperTypes.NewLine:
int injectPos = selStart;
// Inject the new line at the current pos
textBox.Text = curText.Insert(injectPos, " \r\n");
// Move the selection to the end of insert
textBox.SelectionStart = injectPos + 3;
break;
case HelperControls.VisualHelperTypes.Quote:
insertNewLine = "> ";
break;
case HelperControls.VisualHelperTypes.List:
insertNewLine = "* ";
break;
case HelperControls.VisualHelperTypes.NumberedList:
insertNewLine = "1. ";
break;
case HelperControls.VisualHelperTypes.Code:
insertNewLine = " ";
break;
}
// If the insert on new line is not null we need to find the last new line and
// insert the text.
if (insertNewLine != null)
{
// Search for a new line.
int searchStart = selStart == curText.Length ? selStart - 1 : selStart;
int indexLastNewLine = curText.LastIndexOf('\n', searchStart);
// Insert the text
textBox.Text = curText.Insert(indexLastNewLine + 1, insertNewLine);
// Move the cur to the end.
textBox.SelectionStart = indexLastNewLine + 1 + insertNewLine.Length;
}
// If this isn't null we have something to add at the end of the current text.
if (insertAtEnd != null)
{
// If the last char isn't a space add one.
if (textBox.Text.Length > 0 && !Char.IsWhiteSpace(textBox.Text[textBox.Text.Length - 1]))
{
textBox.Text += ' ';
}
textBox.Text += insertAtEnd;
textBox.SelectionStart = textBox.Text.Length;
}
// If we added a link try to select the example url
if (isLink)
{
int urlStart = textBox.Text.IndexOf(c_exampleUrl);
if (urlStart != -1 && textBox.Text.Length > urlStart + c_exampleUrl.Length)
{
// +7 -7 so we don't selected the http://
textBox.SelectionStart = urlStart + 7;
textBox.SelectionLength = c_exampleUrl.Length - 7;
}
}
// If we have example text try to select it
if (hasExampleText)
{
// Note we could accidentally select the word "example" anywhere in the text box...
// but that's ok for now.
int exampleStart = textBox.Text.IndexOf(c_exampleText);
if (exampleStart != -1 && textBox.Text.Length > exampleStart + c_exampleText.Length)
{
textBox.SelectionStart = exampleStart;
textBox.SelectionLength = c_exampleText.Length;
}
}
}
/// <summary>
/// Preforms the selected edit type on the text box given.
/// </summary>
/// <param name="textBox"></param>
/// <param name="editType"></param>
public static void DoEdit(TextBox textBox, VisualHelperTypes editType)
{
// First refocus the text box since the user clicked a button.
// We need to do this quickly so the virt keyboard doesn't move.
textBox.Focus(FocusState.Programmatic);
// Get some vars
int selStart = textBox.SelectionStart;
int selLength = textBox.SelectionLength;
int newLineSelOffset = 0;
string curText = textBox.Text;
string insertNewLine = null;
string insertAtEnd = null;
bool isLink = false;
bool hasExampleText = false;
// For some reason the SelectionStart count /r/n as 1 instead of two. So add one for each /r/n we find.
for(int count = 0; count < selStart + newLineSelOffset; count++)
{
if(curText[count] == '\r' && count + 1 < curText.Length && curText[count + 1] == '\n')
{
newLineSelOffset++;
}
}
// Depending on the type see what we can do.
switch (editType)
{
case HelperControls.VisualHelperTypes.Bold:
if (selLength != 0)
{
// Wrap the selected text
textBox.Text = curText.Insert(selStart + newLineSelOffset + selLength, "**").Insert(selStart + newLineSelOffset, "**");
}
else
{
// Or add to the end
insertAtEnd = $"**{c_exampleText}**";
hasExampleText = true;
}
break;
case HelperControls.VisualHelperTypes.Italic:
if (selLength != 0)
{
// Wrap the selected text
textBox.Text = curText.Insert(selStart + newLineSelOffset + selLength, "*").Insert(selStart + newLineSelOffset, "*");
}
else
{
// Or add to the end
insertAtEnd = $"*{c_exampleText}*";
hasExampleText = true;
}
break;
case HelperControls.VisualHelperTypes.Link:
if (selLength != 0)
{
// Wrap the selected text
textBox.Text = curText.Insert(selStart + newLineSelOffset + selLength, $"]({c_exampleUrl})").Insert(selStart + newLineSelOffset, "[");
}
else
{
// Or add to the end
insertAtEnd = $"[{c_exampleText}]({c_exampleUrl})";
}
isLink = true;
break;
case HelperControls.VisualHelperTypes.NewLine:
int injectPos = selStart + newLineSelOffset;
// Inject the new line at the current pos
textBox.Text = curText.Insert(injectPos, " \r\n");
// Move the selection to the end of insert
textBox.SelectionStart = injectPos + 3 - newLineSelOffset;
break;
case HelperControls.VisualHelperTypes.Quote:
insertNewLine = "> ";
break;
case HelperControls.VisualHelperTypes.List:
insertNewLine = "* ";
break;
case HelperControls.VisualHelperTypes.NumberedList:
insertNewLine = "1. ";
break;
case HelperControls.VisualHelperTypes.Code:
insertNewLine = " ";
break;
}
// If the insert on new line is not null we need to find the last new line and
// insert the text.
if (insertNewLine != null)
{
// Search for a new line.
int offsetSelStart = selStart + newLineSelOffset;
int searchStart = offsetSelStart == curText.Length ? offsetSelStart - 1 : offsetSelStart;
// Try to find it the new line before the cursor
int indexLastNewLine = curText.LastIndexOf('\n', searchStart);
// We need to make sure there are two new lines before this block
int searchNewlineCount = indexLastNewLine - 1;
while (searchNewlineCount > 0)
{
// If we find an /r just move on.
if(curText[searchNewlineCount] == '\r')
{
searchNewlineCount--;
continue;
}
// If we find an /n we are good.
else if (curText[searchNewlineCount] == '\n')
{
break;
}
// If it is anything else we need to add it.
else
{
insertNewLine = "\r\n" + insertNewLine;
break;
}
}
// Insert the text
textBox.Text = curText.Insert(indexLastNewLine + 1, insertNewLine);
// If where we ended up inserting was after where the selection was move it to the end.
if(indexLastNewLine == -1 || (offsetSelStart + insertNewLine.Length) < indexLastNewLine)
{
textBox.SelectionStart = offsetSelStart - newLineSelOffset + insertNewLine.Length;
}
else
{
// If not move it back to where it was + our what we inserted.
textBox.SelectionStart = selStart + insertNewLine.Length;
}
}
// If this isn't null we have something to add at the end of the current text.
if (insertAtEnd != null)
{
// If the last char isn't a space add one.
if (textBox.Text.Length > 0 && !Char.IsWhiteSpace(textBox.Text[textBox.Text.Length - 1]))
{
textBox.Text += ' ';
}
textBox.Text += insertAtEnd;
textBox.SelectionStart = textBox.Text.Length;
}
// If we added a link try to select the example url
if (isLink)
{
int urlStart = textBox.Text.LastIndexOf(c_exampleUrl);
if(urlStart != -1 && textBox.Text.Length > urlStart + c_exampleUrl.Length)
{
// +7 -7 so we don't selected the http://
textBox.SelectionStart = urlStart + 7 - newLineSelOffset;
textBox.SelectionLength = c_exampleUrl.Length - 7;
}
}
// If we have example text try to select it
if (hasExampleText)
{
// Note we could accidentally select the word "example" anywhere in the text box...
// but that's ok for now.
int exampleStart = textBox.Text.LastIndexOf(c_exampleText);
if (exampleStart != -1 && textBox.Text.Length > exampleStart + c_exampleText.Length)
{
textBox.SelectionStart = exampleStart - newLineSelOffset;
textBox.SelectionLength = c_exampleText.Length;
}
}
}
