private void OnSelectedFontFamilyChanged()
{
if (_fontFamilyListBox == null)
{
return;
}
_isInternalUpdate = true;
// Select matching entry in list box.
IEnumerable <FontFamilyDescription> fontFamilyItems = (IEnumerable <FontFamilyDescription>)_fontFamilyListBox.ItemsSource;
var selectedItem = fontFamilyItems.FirstOrDefault(item => item.FontFamily.Equals(SelectedFontFamily));
_fontFamilyListBox.SelectedItem = selectedItem;
// Get display name.
var displayName = (selectedItem != null) ? selectedItem.DisplayName : string.Empty;
// Scroll list box entry into view.
if (selectedItem != null)
{
_fontFamilyListBox.ScrollIntoView(selectedItem);
}
// If text box does not already contain a matching text, update the text box.
// Do nothing if the cursor is currently in the text box (the user is typing).
if (!_fontFamilyTextBox.IsKeyboardFocused && string.Compare(_fontFamilyTextBox.Text, displayName, true, CultureInfo.CurrentCulture) != 0)
{
_fontFamilyTextBox.Text = displayName;
}
// ----- Initialize typefaces list.
// Fill the font family list box.
if (SelectedFontFamily == null)
{
_typefaceListBox.ItemsSource = null;
}
else
{
var typefaces = SelectedFontFamily.GetTypefaces();
// Create a text block for each font family
var items = new List <TypefaceDescription>(typefaces.Count);
foreach (var typeface in typefaces)
{
var item = new TypefaceDescription
{
DisplayName = FontHelper.GetDisplayName(typeface.FaceNames),
FontFamily = SelectedFontFamily,
IsSymbolFont = FontHelper.IsSymbolFont(SelectedFontFamily),
Typeface = typeface,
};
items.Add(item);
}
// Sort items by display name and assign the to the list box.
items.Sort((a, b) => FontHelper.Compare(a.Typeface, b.Typeface));
_typefaceListBox.ItemsSource = items;
// Update the typeface controls.
OnSelectedTypefaceChanged();
}
_isInternalUpdate = false;
}
private void OnSelectedFontFamilyChanged()
{
if (_fontFamilyListBox == null)
return;
_isInternalUpdate = true;
// Select matching entry in list box.
IEnumerable<FontFamilyDescription> fontFamilyItems = (IEnumerable<FontFamilyDescription>)_fontFamilyListBox.ItemsSource;
var selectedItem = fontFamilyItems.FirstOrDefault(item => item.FontFamily.Equals(SelectedFontFamily));
_fontFamilyListBox.SelectedItem = selectedItem;
// Get display name.
var displayName = (selectedItem != null) ? selectedItem.DisplayName : string.Empty;
// Scroll list box entry into view.
if (selectedItem != null)
_fontFamilyListBox.ScrollIntoView(selectedItem);
// If text box does not already contain a matching text, update the text box.
// Do nothing if the cursor is currently in the text box (the user is typing).
if (!_fontFamilyTextBox.IsKeyboardFocused && string.Compare(_fontFamilyTextBox.Text, displayName, true, CultureInfo.CurrentCulture) != 0)
_fontFamilyTextBox.Text = displayName;
// ----- Initialize typefaces list.
// Fill the font family list box.
if (SelectedFontFamily == null)
{
_typefaceListBox.ItemsSource = null;
}
else
{
var typefaces = SelectedFontFamily.GetTypefaces();
// Create a text block for each font family
var items = new List<TypefaceDescription>(typefaces.Count);
foreach (var typeface in typefaces)
{
var item = new TypefaceDescription
{
DisplayName = FontHelper.GetDisplayName(typeface.FaceNames),
FontFamily = SelectedFontFamily,
IsSymbolFont = FontHelper.IsSymbolFont(SelectedFontFamily),
Typeface = typeface,
};
items.Add(item);
}
// Sort items by display name and assign the to the list box.
items.Sort((a, b) => FontHelper.Compare(a.Typeface, b.Typeface));
_typefaceListBox.ItemsSource = items;
// Update the typeface controls.
OnSelectedTypefaceChanged();
}
_isInternalUpdate = false;
}
