/// <summary>
/// Handles the Click event of TextPropertiesButton object.
/// </summary>
private void TextPropertiesButton_Click(object sender, EventArgs e)
{
try
{
// if visual editor has focused text
OpenXmlTextProperties textProperties = VisualEditor.GetTextProperties();
if (textProperties != null)
{
// show text properties form
OpenXmlTextPropertiesForm textPropertiesForm = new OpenXmlTextPropertiesForm(VisualEditor.GetFontNames());
textPropertiesForm.TextProperties = textProperties;
if (textPropertiesForm.ShowDialog() == DialogResult.OK)
{
// set text properties
textProperties = textPropertiesForm.GetChangedTextProperties();
if (textProperties != null)
{
VisualEditor.SetTextProperties(textProperties);
}
}
// set focus to the parent form
Parent.FindForm().Owner.Focus();
}
}
catch (Exception ex)
{
DemosTools.ShowErrorMessage(ex);
}
}
/// <summary>
/// Returns the text properties, which contain changed properties.
/// </summary>
/// <returns>The text properties, which contain changed properties.</returns>
public OpenXmlTextProperties GetChangedTextProperties()
{
OpenXmlTextProperties result = OpenXmlTextProperties.GetChanges(_intalTextProperties, _textProperties);
if (result.IsEmpty)
{
return(null);
}
return(result);
}
/// <summary>
/// Handles the SelectedIndexChanged event of FontNameComboBox object.
/// </summary>
private void FontNameComboBox_SelectedIndexChanged(object sender, EventArgs e)
{
if (!_isUiUpdating)
{
// create text properties
OpenXmlTextProperties textProperties = new OpenXmlTextProperties();
textProperties.FontName = fontNameComboBox.Text;
// set text properties for text
VisualEditor.Actions.CreateSetTextProperties(textProperties).Execute();
}
}
/// <summary>
/// Updates the UI for specified text properties.
/// </summary>
/// <param name="textProperties">The text properties.</param>
private void UpdateTextPropertiesUI(OpenXmlTextProperties textProperties)
{
OpenXmlTextProperties properties = textProperties ?? new OpenXmlTextProperties();
if (properties.FontName != null)
{
SetFontName(properties.FontName);
}
else
{
fontNameComboBox.Text = "";
}
fontSizeComboBox.Text = properties.FontSize.HasValue ? properties.FontSize.ToString() : "";
}
/// <summary>
/// Updates the UI.
/// </summary>
private void UpdateUI()
{
_isUiUpdating = true;
TextRegionSymbol symbol = VisualEditor.FocusedTextSymbol;
OpenXmlTextProperties textProperties = null;
if (symbol != null)
{
textProperties = VisualEditor.GetTextProperties(symbol);
}
UpdateTextPropertiesUI(textProperties);
_isUiUpdating = false;
}
/// <summary>
/// Updates the UI for specified text properties.
/// </summary>
/// <param name="textProperties">The text properties.</param>
private void UpdateTextPropertiesUI(OpenXmlTextProperties textProperties)
{
OpenXmlTextProperties properties = textProperties ?? new OpenXmlTextProperties();
changeBoldButton.Checked = properties.IsBold ?? false;
changeItalicButton.Checked = properties.IsItalic ?? false;
changeUnderlineButton.Checked = properties.IsUnderline ?? false;
changeStrikeoutButton.Checked = properties.IsStrike ?? false;
if (properties.VerticalAlignment.HasValue)
{
changeSubscriptButton.Checked = properties.VerticalAlignment.Value == OpenXmlTextVerticalPositionType.Subscript;
changeSuperscriptButton.Checked = properties.VerticalAlignment.Value == OpenXmlTextVerticalPositionType.Superscript;
}
else
{
changeSubscriptButton.Checked = false;
changeSuperscriptButton.Checked = false;
}
}
/// <summary>
/// Handles the TextChanged event of FontSizeComboBox object.
/// </summary>
private void FontSizeComboBox_TextChanged(object sender, EventArgs e)
{
if (!_isUiUpdating)
{
try
{
float value;
if (float.TryParse(fontSizeComboBox.Text, NumberStyles.Float, CultureInfo.InvariantCulture, out value))
{
// create text properties
OpenXmlTextProperties textProperties = new OpenXmlTextProperties();
textProperties.FontSize = value;
// set text properties for text
VisualEditor.Actions.CreateSetTextProperties(textProperties).Execute();
}
}
catch (Exception ex)
{
DemosTools.ShowErrorMessage(ex);
}
}
}
