public void DBObjectInstantiation()
{
CheckDisposed();
// Putting persons in the UsageTypes doesn't really make sense, but for testing purposes
// it doesn't matter what we store there as long as it is derived from CmPossibility
CmPerson person = new CmPerson();
CmPossibility pos = new CmPossibility();
Cache.LangProject.LexDbOA.UsageTypesOA.PossibilitiesOS.Append(person);
Cache.LangProject.LexDbOA.UsageTypesOA.PossibilitiesOS.Append(pos);
int khvoAPossibiltyObject = pos.Hvo;
int khvoAPersonObject = person.Hvo;
Assert.AreEqual("CmPerson", CmPossibility.CreateFromDBObject(Cache, khvoAPersonObject).GetType().Name);
Assert.AreEqual("CmPossibility", CmPossibility.CreateFromDBObject(Cache, khvoAPossibiltyObject).GetType().Name);
// Now try it not assuming anything about the class type (use the method on CmObject)
// CmObject uses a different, less efficient method.
Assert.AreEqual("CmPerson", CmObject.CreateFromDBObject(Cache, khvoAPersonObject).GetType().Name);
// trying to turn a possibility into a person should throw an exception
CmPerson.CreateFromDBObject(Cache, khvoAPossibiltyObject);
}
/// <summary>
/// add any subitems to the tree. Note! This assumes that the list has been preloaded
/// (e.g., using PreLoadList), so it bypasses normal load operations for speed purposes.
/// Withoug preloading, it took almost 19,000 queries to start FW showing semantic domain
/// list. With preloading it reduced the number to 200 queries.
/// </summary>
/// <param name="obj"></param>
/// <param name="parentsCollection"></param>
protected override void AddSubNodes(ICmObject obj, TreeNodeCollection parentsCollection)
{
ICmPossibility pss = obj as ICmPossibility;
foreach (int hvoSub in pss.SubPossibilities())
{
// Assume its basic information has already been loaded using PreLoadList.
CmPossibility sub = CmPossibility.CreateFromDBObject(obj.Cache, hvoSub, false) as CmPossibility;
AddTreeNode(sub, parentsCollection);
}
}
/// <summary>
/// Create a List of ColumnMenuItems for ComboBox based on an array of column hvos.
/// </summary>
/// <param name="hvoArray"></param>
internal void CollectColumnsToCombo(int[] hvoArray)
{
int ccols = hvoArray.Length;
ColumnMenuItem[] cols = new ColumnMenuItem[ccols];
for (int i = 0; i < ccols; i++)
{
cols[i] = new ColumnMenuItem(CmPossibility.CreateFromDBObject(Cache,
hvoArray[i]));
}
SentElem.ComboCols = cols;
}
/// <summary>
/// Checks for and reports any disallowed discourse template moves.
/// </summary>
/// <param name="cache"></param>
/// <param name="movingColumn">The proposed possibility item (template column) to move.</param>
/// <param name="hvoTemplate">The hvo of the affected Chart Template (only 'default' exists so far).</param>
/// <param name="hvoTemplateList">The hvo of the Template List.</param>
/// <param name="hvoDest">The hvo of the destination item.</param>
/// <returns>true means we found and reported a bad move.</returns>
private bool CheckAndReportBadDiscourseTemplateMove(FdoCache cache, CmPossibility movingColumn, int hvoTemplate,
int hvoTemplateList, int hvoDest)
{
// First, check whether we're allowed to manipulate this column at all. This is the same check as
// whether we're allowed to delete it.
if (movingColumn.CheckAndReportProtectedChartColumn())
{
return(true);
}
// Other things being equal, we now need to make sure we aren't messing up the chart levels
// Unless something is badly wrong, the destination is either the root template,
// a column group one level down from the root template, a column two levels down,
// or the base list.
if (hvoDest == hvoTemplateList)
{
MessageBox.Show(m_tree, xWorksStrings.ksCantPromoteGroupToTemplate,
xWorksStrings.ksProhibitedMovement, MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(true);
}
// if the destination IS the root, that's fine...anything can move there.
if (hvoDest == hvoTemplate)
{
return(false);
}
// It's OK to move a leaf to a group (one level down from the root, as long as
// the destination 'group' isn't a column that's in use.
bool moveColumnIsLeaf = movingColumn.SubPossibilitiesOS.Count == 0;
if (cache.GetOwnerOfObject(hvoDest) == hvoTemplate && moveColumnIsLeaf)
{
CmPossibility dest = (CmPossibility.CreateFromDBObject(cache, hvoDest))
as CmPossibility;
// If it isn't already a group, we can only turn it into one if it's empty
if (dest.SubPossibilitiesOS.Count == 0)
{
return(dest.CheckAndReportProtectedChartColumn());
}
// If it's already a group it should be fine as a destination.
return(false);
}
// Anything else represents an attempt to make the tree too deep, e.g., moving a
// column into child column, or a group into another group.
MessageBox.Show(m_tree, xWorksStrings.ksTemplateTooDeep,
xWorksStrings.ksProhibitedMovement, MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(true);
}
