public override void AddToDatabase(FdoCache cache)
{
CheckDisposed();
if (m_fInDatabase)
return; // It's already in the database, so nothing more can be done.
cache.BeginUndoTask(MGAStrings.ksUndoCreateInflectionFeature,
MGAStrings.ksRedoCreateInflectionFeature);
m_featDefn = FsFeatureSystem.AddFeatureAsXml(cache, m_node);
cache.EndUndoTask();
}
public override void AddToDatabase(FdoCache cache)
{
CheckDisposed();
if (m_fInDatabase)
return; // It's already in the database, so nothing more can be done.
string sType = XmlUtils.GetManditoryAttributeValue(m_node, "type");
if (sType == "feature")
{
cache.BeginUndoTask(MGAStrings.ksUndoCreatePhonologicalFeature,
MGAStrings.ksRedoCreatePhonologicalFeature);
ILangProject lp = cache.LangProject;
IFsFeatureSystem featsys = lp.PhFeatureSystemOA as IFsFeatureSystem;
// Since phonological features in the chooser only have features and no values,
// we need to create the positive and negative value nodes
string sName = XmlUtils.GetManditoryAttributeValue(m_node, "id");
const string sTemplate =
"<item id='v{0}Positive' type='value'><abbrev ws='en'>+</abbrev><term ws='en'>positive</term>" +
"<fs id='v{0}PositiveFS' type='Phon'><f name='{0}'><sym value='+'/></f></fs></item>" +
"<item id='v{0}Negative' type='value'><abbrev ws='en'>-</abbrev><term ws='en'>negative</term>" +
"<fs id='v{0}NegativeFS' type='Phon'><f name='{0}'><sym value='-'/></f></fs></item>";
StringBuilder sb = new StringBuilder();
sb.AppendFormat(sTemplate, sName.Substring(1));
m_node.InnerXml += sb.ToString();
// have to use a ndw document or, for some odd reason, it keeps on using an old value and not the new one...
XmlDocument doc = new XmlDocument();
doc.LoadXml(m_node.OuterXml);
// add positive value; note that the FsFeatDefn will be the same for both
XmlNode valueNode = doc.SelectSingleNode("//item[contains(@id,'Positive')]");
m_featDefn = FsFeatureSystem.AddFeatureAsXml(cache, featsys, valueNode);
// add negative value
valueNode = doc.SelectSingleNode("//item[contains(@id,'Negative')]");
m_featDefn = FsFeatureSystem.AddFeatureAsXml(cache, featsys, valueNode);
cache.EndUndoTask();
}
}
const int ktagMinVp = 0x7f000000; // copied from VwCacheDa.h, mimimum value for assigned virtual props.
/// <summary>
/// We implement this to record modify times.
/// </summary>
/// <param name="hvo"></param>
/// <param name="tag"></param>
/// <param name="ivMin"></param>
/// <param name="cvIns"></param>
/// <param name="cvDel"></param>
public void PropChanged(int hvo, int tag, int ivMin, int cvIns, int cvDel)
{
CheckDisposed();
if (m_fModifyChangeInProgress) // ignore PropChanged on the DateModified property!
{
return;
}
// Typically an Undo will restore the modify time to what it was before the
// main change. We don't want to reverse that by recording the time of the Undo!
// Note that there is one pathological scenario:
// t1: make a change.
// t2: undo the change.
// t3: export all changed records (since before t1).
// t4: redo the change. Record appears to have been modified at time t2.
// t5: export all changed records (since t3).
// If this was the only change to the record, it is not part of either export,
// and the change might be lost.
// To prevent this, I think the 'export changed records' function should clear
// the Undo stack.
if (m_cache.ActionHandlerAccessor != null && m_cache.ActionHandlerAccessor.IsUndoOrRedoInProgress)
{
return;
}
if (tag < 0 || tag >= ktagMinVp)
{
return; // phony or virtual properties, not real changes (e.g., different filter applied, or selection moving in browse).
}
try
{
DateTime dtNow = DateTime.Now;
int hvoMajor = 0; // hvo of the 'major' object that has the DateModified property.
if (SameMinute(dtNow, m_currentMinute))
{
// We can use our Dictionary
if (m_recentMods.ContainsKey(hvo))
{
hvoMajor = m_recentMods[hvo];
}
}
else
{
ResetDelay();
}
int flidModify = 0;
if (hvoMajor == 0)
{
for (int hvoCandidate = hvo; hvoCandidate != 0;
hvoCandidate = m_cache.GetOwnerOfObject(hvoCandidate))
{
// We assume that this is a dummy object at this point and GetClassOfObject
// only accepts real objects. Since it's a dummy object, changes should never
// affect the modify time of a real object. Maybe at some point we can get an
// interface method to check for dummy objects.
if (hvoCandidate < 0)
{
return;
}
int clid = m_cache.GetClassOfObject(hvoCandidate);
if (clid == 0)
{
return; // maybe a deleted object, no good to us, we can't record modify time.
}
flidModify = (int)m_mdc.GetFieldId2((uint)clid, "DateModified", true);
if (flidModify != 0)
{
hvoMajor = hvoCandidate;
break;
}
}
if (hvoMajor == 0)
{
return; // found no owner with DateCreated property.
}
m_recentMods[hvo] = hvoMajor; // lets us find it fast if modified again soon.
}
else
{
// We need to set flidModify!
int clid = m_cache.GetClassOfObject(hvoMajor);
if (clid != 0)
{
flidModify = (int)m_mdc.GetFieldId2((uint)clid, "DateModified", true);
}
}
if (flidModify == 0)
{
return; // can't set the time prop without a field...
}
DateTime oldModifyTime = m_cache.GetTimeProperty(hvoMajor, flidModify);
// If we already noted a modify time in the current minute, don't do it again.
// This is intended to keep down the overhead of recording modify times for frequently
// modified objects.
if (SameMinute(oldModifyTime, dtNow))
{
//Trace.TraceInformation("New Modify Time ({0}) for {1} is same minute as the old ({2}).\n",
// dtNow, hvoMajor, oldModifyTime);
return;
}
// if (m_currentMinute != null &&
// m_currentMinute.Date == dtNow.Date && m_currentMinute.Hour = dtNow.Hour && m_currentMinute.Minute == dtNow.Minute)
// return;
// Set the modify time. If possible tack this on to the last Undo task (or the current one, if a
// transaction is open).
if (m_cache.ActionHandlerAccessor != null && m_cache.VwOleDbDaAccessor != null &&
((m_cache.DatabaseAccessor != null && m_cache.DatabaseAccessor.IsTransactionOpen()) ||
m_cache.CanUndo))
{
m_cache.ContinueUndoTask();
m_cache.SetTimeProperty(hvoMajor, flidModify, dtNow);
m_cache.EndUndoTask();
}
else
{
// We don't have an Undo task to append to, so somehow a Save has occurred
// in the midst of the operation that caused the time stamp modification.
// If we make an empty undo task, the user will typically have no idea what
// could be undone, and will be confused. Best to make it impossible to
// undo the timestamp change also.
using (new SuppressSubTasks(m_cache))
{
m_cache.SetTimeProperty(hvoMajor, flidModify, dtNow);
}
}
//Trace.TraceInformation("Setting new Modify Time ({0}) for {1}\n",
// dtNow, hvoMajor);
}
finally
{
m_fModifyChangeInProgress = false;
}
}
internal static CmObjectUi DefaultCreateNewUiObject(uint classId, int hvoOwner, int flid, int insertionPosition, FdoCache cache)
{
CmObjectUi newUiObj;
cache.BeginUndoTask(FdoUiStrings.ksUndoInsert, FdoUiStrings.ksRedoInsert);
int newHvo = cache.CreateObject((int)classId, hvoOwner, flid, insertionPosition);
newUiObj = CmObjectUi.MakeUi(cache, newHvo, classId);
cache.EndUndoTask();
cache.MainCacheAccessor.PropChanged(null, (int)PropChangeType.kpctNotifyAll, hvoOwner, flid, insertionPosition, 1, 0);
return newUiObj;
}
public void AddToDatabase(FdoCache cache, ICmPossibilityList posList, MasterCategory parent, IPartOfSpeech subItemOwner)
{
CheckDisposed();
if (m_pos != null)
return; // It's already in the database, so nothing more can be done.
cache.BeginUndoTask(LexTextControls.ksUndoCreateCategory,
LexTextControls.ksRedoCreateCategory);
int newOwningFlid;
int insertLocation;
int newOwner =
DeterminePOSLocationInfo(subItemOwner, parent, posList, out newOwningFlid, out insertLocation);
ILgWritingSystemFactory wsf = cache.LanguageWritingSystemFactoryAccessor;
Debug.Assert(m_pos != null);
if (m_node == null)
{ // should not happen, but just in case... we still get something useful
m_pos.Name.SetAlternative(m_term, wsf.GetWsFromStr(m_termWs));
m_pos.Abbreviation.SetAlternative(m_abbrev, wsf.GetWsFromStr(m_abbrevWs));
m_pos.Description.SetAlternative(m_def, wsf.GetWsFromStr(m_defWs));
}
else
{
SetContentFromNode(cache, "abbrev", false, m_pos.Abbreviation);
SetContentFromNode(cache, "term", true, m_pos.Name);
SetContentFromNode(cache, "def", false, m_pos.Description);
}
m_pos.CatalogSourceId = m_id;
// Need a PropChanged, since it isn't done in the 'Append' for some reason.
cache.PropChanged(null, PropChangeType.kpctNotifyAll,
newOwner, newOwningFlid, insertLocation, 1, 0);
cache.EndUndoTask();
}