/// <summary>
/// Fired when a user taps the markdown helper
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void RedditMarkdownVisualHelper_OnHelperTapped(object sender, HelperControls.OnHelperTappedArgs e)
{
int selStart = ui_postUrlTextBox.SelectionStart;
int selLength = ui_postUrlTextBox.SelectionLength;
string curText = ui_postUrlTextBox.Text;
string insertNewLine = null;
// Depending on the type see what we can do.
switch (e.Type)
{
case HelperControls.VisualHelperTypes.Bold:
if (selLength != 0)
{
// Wrap the selected text
ui_postUrlTextBox.Text = curText.Insert(selStart + selLength, "**").Insert(selStart, "**");
}
else
{
// Or add to the end
ui_postUrlTextBox.Text = curText + " **example**";
}
break;
case HelperControls.VisualHelperTypes.Italic:
if (selLength != 0)
{
// Wrap the selected text
ui_postUrlTextBox.Text = curText.Insert(selStart + selLength, "*").Insert(selStart, "*");
}
else
{
// Or add to the end
ui_postUrlTextBox.Text = curText + " *example*";
}
break;
case HelperControls.VisualHelperTypes.Link:
if (selLength != 0)
{
// Wrap the selected text
ui_postUrlTextBox.Text = curText.Insert(selStart + selLength, ")[http://www.example.com]").Insert(selStart, "{");
}
else
{
// Or add to the end
ui_postUrlTextBox.Text = curText + " [example](http://www.example.com)";
}
break;
case HelperControls.VisualHelperTypes.NewLine:
int injectPos = selStart;
// Inject the new line at the current pos
ui_postUrlTextBox.Text = curText.Insert(injectPos, " \r\n");
// Move the selection to the end of insert
ui_postUrlTextBox.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)
{
int searchStart = selStart == curText.Length ? selStart - 1 : selStart;
int indexLastNewLine = curText.LastIndexOf('\n', searchStart);
ui_postUrlTextBox.Text = curText.Insert(indexLastNewLine + 1, insertNewLine);
}
// When we leave focus the text box again so we don't press enter on the key again
ui_postUrlTextBox.Focus(FocusState.Programmatic);
}
/// <summary>
/// Fired when a user taps the markdown helper
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void RedditMarkdownVisualHelper_OnHelperTapped(object sender, HelperControls.OnHelperTappedArgs e)
{
// Do the edit.
RedditMarkdownVisualHelper.DoEdit(ui_postTitleTextBox, e.Type);
}