/// <summary>
/// Edit keyword button clicked event handler.
/// </summary>
/// <param name="sender">Event sender.</param>
/// <param name="e">Event arguments.</param>
private void buttonEdit_Click(object sender, System.EventArgs e)
{
// Get seloected keyword
string keyword = this._richTextBox.Text.Substring(this._selectedKeywordStart, this._selectedKeywordLength);
// Show keyword editor form
KeywordEditor keywordEditor = new KeywordEditor(
this.applicableKeywords,
keyword,
this._maxYValueIndex);
if (keywordEditor.ShowDialog() == DialogResult.OK)
{
int start = this._selectedKeywordStart;
int length = this._selectedKeywordLength;
// Update currently selected kyword
this._richTextBox.Text = this._richTextBox.Text.Substring(0, start) +
keywordEditor.Keyword +
this._richTextBox.Text.Substring(start + length);
this._richTextBox.SelectionStart = start + keywordEditor.Keyword.Length;
}
// Set focus back to the editor
this._richTextBox.Focus();
}
/// <summary>
/// Insert keyword button clicked event handler.
/// </summary>
/// <param name="sender">Event sender.</param>
/// <param name="e">Event arguments.</param>
private void buttonInsert_Click(object sender, System.EventArgs e)
{
// Show keyword editor form
KeywordEditor keywordEditor = new KeywordEditor(
this.applicableKeywords,
string.Empty,
this._maxYValueIndex);
if (keywordEditor.ShowDialog() == DialogResult.OK)
{
if (_selectedKeywordLength > 0)
{
// Insert keyword at the end of curently selected keyword
// and separate them with space
this._richTextBox.SelectionStart = this._richTextBox.SelectionStart + this._richTextBox.SelectionLength;
this._richTextBox.SelectionLength = 0;
this._richTextBox.SelectedText = " " + keywordEditor.Keyword;
}
else
{
// Insert new keyword at current location
this._richTextBox.SelectionLength = Math.Max(0, this._selectedKeywordLength);
this._richTextBox.SelectedText = keywordEditor.Keyword;
}
}
// Set focus back to the editor
this._richTextBox.Focus();
}