/// ------------------------------------------------------------------------------------
/// <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>
/// Update the characters in the Private Use Area.
/// </summary>
/// ------------------------------------------------------------------------------------
public static void UpdatePUACollection(LanguageDefinition langDef, List<string> chars)
{
List<PUACharacter> customPuaCharacters = GetDefinedCustomPUACharsFromICU();
// Remove any PUA characters that are no longer in the character list. If there
// are any new PUA characters in the valid characters list, they
// will be added to this collection in IsCodePointDefined().
int codePoint;
string data;
for (int i = langDef.PuaDefinitionCount - 1; i >= 0; i--)
{
langDef.GetPuaDefinition(i, out codePoint, out data);
char character = (char)new PUACharacter(codePoint).Character;
string category = langDef.GetOverrideCharCategory(character);
if (!chars.Contains(character.ToString()) && (category == null || category[0] != 'M'))
{
langDef.RemovePuaDefinition(new CharDef(codePoint, data));
}
}
// Now make sure all the custom PUA characters specified in the valid characters
// list are also added to the language definition's PUA collection.
foreach (string chr in chars)
{
// Go through the codepoints in the character.
foreach (char c in chr)
UpdateLangDefPUACollection((int)c, langDef, customPuaCharacters);
}
}
