public void SetRoot(int hvo)
{
CheckDisposed();
if (hvo != 0)
{
ICmObject co = CmObject.CreateFromDBObject(Cache, hvo);
if (Scripture.IsResponsibleFor(co as StText))
{
m_hvoRoot = hvo; // StText (i.e. Scripture)
}
else
{
m_hvoRoot = co.OwnerHVO; // Text (i.e. non-scripture). Editable.
}
SetupVc();
}
else
{
m_hvoRoot = 0;
ReadOnlyView = true;
if (m_vc != null)
{
m_vc.IsScripture = false;
m_vc.Editable = false;
}
}
ChangeOrMakeRoot(m_hvoRoot, m_vc, TitleContentsVc.kfragRoot, m_styleSheet);
}
void SetupVc()
{
if (m_vc == null || m_hvoRoot == 0)
{
return;
}
Debug.Assert(m_hvoRoot != 0, "m_hvoRoot should be set before using SetupVc().");
ICmObject co = CmObject.CreateFromDBObject(Cache, m_hvoRoot);
m_vc.IsScripture = Scripture.IsResponsibleFor(co as StText);
// don't allow editing scripture titles.
m_vc.Editable = !m_vc.IsScripture;
this.ReadOnlyView = !m_vc.Editable;
}
private void SetupVc()
{
if (m_vc == null || m_hvoRoot == 0)
{
return;
}
int wsFirstPara = Cache.LangProject.ActualWs(LangProject.kwsVernInParagraph, m_hvoRoot,
(int)StText.StTextTags.kflidParagraphs);
if (wsFirstPara == -1)
{
// The paragraph's first character has no valid writing system...this seems to be possible
// when it consists entirely of a picture. Rather than crashing, presume the default.
wsFirstPara = Cache.DefaultVernWs;
}
m_vc.SetupVernWsForText(wsFirstPara);
StText stText = new StText(Cache, m_hvoRoot);
if (m_configurationParameters != null)
{
m_vc.Editable = SIL.Utils.XmlUtils.GetOptionalBooleanAttributeValue(
m_configurationParameters, "editable", true) && !Scripture.IsResponsibleFor(stText);
}
}