/// ------------------------------------------------------------------------------------
/// <summary>
///
/// </summary>
/// ------------------------------------------------------------------------------------
private void SavePUACheckedChars(LanguageDefinition langDef)
{
if (m_lstPUACharacters.Items.Count == 0)
return;
ValidCharacters validChars = ValidCharacters.Load(langDef);
if (validChars == null)
return;
// First clear out any characters in the PUA list for the writing system
// unless they are still in the list of checked items.
// Also remove them from the valid characters list.
foreach (PuaListItem puaItem in m_lstPUACharacters.Items)
{
if (!m_lstPUACharacters.CheckedItems.Contains(puaItem))
{
langDef.RemovePuaDefinition(puaItem.PUAChar.CharDef);
char c = (char)puaItem.PUAChar.Character;
validChars.RemoveCharacter(c.ToString());
}
}
// Add the characters which are checked to the PUA list for the writing system and
// the valid characters list.
foreach (PuaListItem puaItem in m_lstPUACharacters.CheckedItems)
{
langDef.AddPuaDefinition(puaItem.PUAChar.CharDef);
// Now add the character to the valid characters list if it is not a diacritic
// or some other category that is disallowed in the valid characters list.
string chr = ((char)puaItem.PUAChar.Character).ToString();
ValidCharacterType chrType = langDef.GetOverrideCharType(chr);
if (chrType != ValidCharacterType.None)
validChars.AddCharacter(chr, chrType);
}
// Put the updated valid characters back into the final lang. definition.
langDef.ValidChars = validChars.XmlString;
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Adds the specified character to the grid's list of displayed characters. This is
/// called by the two public methods AddCharacter and AddCharacters.
/// </summary>
/// ------------------------------------------------------------------------------------
private void InternalAddCharacter(string chr, LanguageDefinition langDef)
{
if (langDef.GetOverrideCharType(chr) == ValidCharacterType.None &&
!StringUtils.IsCharacterDefined(chr))
{
return;
}
// Keep track of those characters that are not control characters and for
// which there are no representative glyphs in the font.
if (Win32.AreCharGlyphsInFont(chr, Font))
{
if (m_charsWithMissingGlyphs.Contains(chr))
m_charsWithMissingGlyphs.Remove(chr);
}
else if (!Icu.IsControl(chr[0]))
{
if (!m_charsWithMissingGlyphs.Contains(chr))
m_charsWithMissingGlyphs.Add(chr);
}
// If we're dealing with a type of space or control character, then figure out
// display text that is slightly more readable than whatever glyph the font
// contains for the character, which may not be a glyph at all.
if ((Icu.IsSpace(chr[0]) || Icu.IsControl(chr[0])) &&
!m_specialCharStrings.ContainsKey(chr))
{
m_specialCharStrings[chr] = GetSpecialCharDisplayText(chr);
}
Chars.Add(chr);
}
