/// <summary>Deal with special Audio handling</summary>
private void HandleAudioVariant()
{
VariantSubtag[] variantSubtags = VariantSubtags.ToArray();
if (variantSubtags.Length == 1 && variantSubtags[0] == WellKnownSubtags.AudioPrivateUse)
{
m_ws.IsVoice = true;
m_scriptName.Enabled = false;
string newScriptName = StandardSubtags.RegisteredScripts[WellKnownSubtags.AudioScript].Name;
if (m_scriptNameString != newScriptName)
{
if (m_scriptName.FindStringExact(newScriptName) < 0)
{
m_scriptName.Items.Add(WellKnownSubtags.AudioScript);
}
ScriptName = newScriptName;
}
m_variantAbbrev.Text = "x-" + WellKnownSubtags.AudioPrivateUse;
m_variantAbbrev.Enabled = false;
m_scriptAbbrev.Text = WellKnownSubtags.AudioScript;
}
else
{
//we are changing from Audio to something else
if (m_scriptAbbrev.Text == WellKnownSubtags.AudioScript)
{
m_scriptAbbrev.Text = "";
ScriptName = "";
m_enableLangTagSideEffects = true;
}
m_ws.IsVoice = false;
// Safest to set AFTER we turn off IsVoice, but BEFORE we change the script, to avoid
// a tempoarty invalid state. But we can't, too bad, it's invalid until this line.
m_ws.Variants.Clear();
foreach (VariantSubtag variantSubtag in variantSubtags)
{
m_ws.Variants.Add(variantSubtag);
}
m_scriptName.Enabled = true;
}
}
/// <summary>
/// Check that the contents of the control are valid. If not, report the error
/// to the user and return false. This should prevent the user from closing the
/// containing form using OK, but not from cancelling.
/// </summary>
public bool CheckValid()
{
CheckDisposed();
string caption = FwCoreDlgControls.kstidError;
ScriptSubtag scriptSubtag = ScriptSubtag;
// Can't allow a script name without an abbreviation.
if (scriptSubtag == null && !string.IsNullOrEmpty(m_scriptName.Text.Trim()))
{
MessageBox.Show(FindForm(), FwCoreDlgControls.kstidMissingScrAbbr, caption);
return(false);
}
if (scriptSubtag != null && scriptSubtag.IsPrivateUse)
{
if (StandardSubtags.RegisteredScripts.Contains(scriptSubtag.Code))
{
MessageBox.Show(FindForm(), FwCoreDlgControls.kstidDupScrAbbr, caption);
return(false);
}
if (!IetfLanguageTag.IsValidScriptCode(scriptSubtag.Code))
{
MessageBox.Show(FindForm(), FwCoreDlgControls.kstidInvalidScrAbbr, caption);
return(false);
}
}
RegionSubtag regionSubtag = RegionSubtag;
// Can't allow a country name without an abbreviation.
if (regionSubtag == null && !string.IsNullOrEmpty(m_regionName.Text.Trim()))
{
MessageBox.Show(FindForm(), FwCoreDlgControls.kstidMissingRgnAbbr, caption);
return(false);
}
if (regionSubtag != null && regionSubtag.IsPrivateUse)
{
if (StandardSubtags.RegisteredRegions.Contains(regionSubtag.Code))
{
MessageBox.Show(FindForm(), FwCoreDlgControls.kstidDupRgnAbbr, caption);
return(false);
}
if (!IetfLanguageTag.IsValidRegionCode(regionSubtag.Code))
{
MessageBox.Show(FindForm(), FwCoreDlgControls.kstidInvalidRgnAbbr, caption);
return(false);
}
}
VariantSubtag[] variantSubtags = VariantSubtags.ToArray();
// Can't allow a variant name without an abbreviation.
if (string.IsNullOrEmpty(m_variantAbbrev.Text.Trim()) && !string.IsNullOrEmpty(m_variantName.Text.Trim()))
{
MessageBox.Show(FindForm(), FwCoreDlgControls.kstidMissingVarAbbr, caption);
return(false);
}
if (variantSubtags.Length > 0)
{
foreach (VariantSubtag variantSubtag in variantSubtags)
{
if (variantSubtag.IsPrivateUse)
{
if (StandardSubtags.RegisteredVariants.Contains(variantSubtag.Code))
{
MessageBox.Show(FindForm(), FwCoreDlgControls.kstidDupVarAbbr, caption);
return(false);
}
if (!IetfLanguageTag.IsValidPrivateUseCode(variantSubtag.Code))
{
MessageBox.Show(FindForm(), FwCoreDlgControls.kstidInvalidVarAbbr, caption);
return(false);
}
}
}
List <string> parts = variantSubtags.Select(v => v.Code).ToList();
// If these subtags are private use, the first element of each must also be distinct.
if (m_ws.Language.IsPrivateUse)
{
parts.Add(m_ws.Language.Code.Split('-').First());
}
if (scriptSubtag != null && scriptSubtag.IsPrivateUse)
{
parts.Add(scriptSubtag.Code.Split('-').First());
}
if (regionSubtag != null && regionSubtag.IsPrivateUse)
{
parts.Add(regionSubtag.Code.Split('-').First());
}
var uniqueParts = new HashSet <string>(StringComparer.OrdinalIgnoreCase);
foreach (string part in parts)
{
if (uniqueParts.Contains(part))
{
MessageBox.Show(FindForm(), String.Format(FwCoreDlgControls.kstidDuplicateParts, part), caption);
return(false);
}
uniqueParts.Add(part);
}
}
return(true);
}