/// <summary>
/// Set up the submenu items for 'Create' and 'Insert' menus.
/// </summary>
protected void SetupContextMenu(Slice slice, SliceTreeNode sliceTreeNode)
{
// Get rid of old sub-menu items.
m_mnuCreate.MenuItems.Clear();
m_helper = new ContextMenuHelper(sliceTreeNode);
m_rgcpiCreateOptions = slice.Object.PropsAndClassesOwnedBy;
// Fill in info about which object will be the new owner.
for (int index = m_rgcpiCreateOptions.Count; --index >= 0; )
{
ClassAndPropInfo cpi = m_rgcpiCreateOptions[index];
cpi.hvoOwner = slice.Object.Hvo;
}
// Drop atomic property options if not empty
for (int index = m_rgcpiCreateOptions.Count; --index >= 0; )
{
ClassAndPropInfo cpi = (ClassAndPropInfo)m_rgcpiCreateOptions[index];
if (cpi.fieldType == (int)FieldType.kcptOwningAtom)
{
FDO.FdoCache cache = slice.ContainingDataTree.Cache;
if (cache.GetObjProperty(cpi.hvoOwner, (int)(cpi.flid)) != 0)
m_rgcpiCreateOptions.RemoveAt(index);
}
}
int iBefore = m_rgcpiCreateOptions.Count;
GetCreateSiblingOptions(slice, m_rgcpiCreateOptions, true);
bool fSeq = m_rgcpiCreateOptions.Count > iBefore &&
m_rgcpiCreateOptions[iBefore].fieldType == (int)FieldType.kcptOwningSequence;
int iAfter = m_rgcpiCreateOptions.Count;
if (fSeq)
{
// In a sequence we make another set of options to insert after the current item.
GetCreateSiblingOptions(slice, m_rgcpiCreateOptions, false);
}
for(int index = 0; index < m_rgcpiCreateOptions.Count; index++)
{
ClassAndPropInfo cpi = (ClassAndPropInfo)m_rgcpiCreateOptions[index];
String format = DetailControlsStrings.ksNewItem;
if (index >= iAfter)
{
format = DetailControlsStrings.ksNewItemAfter; // can't happen if not sequence
}
else if (index >= iBefore)
{
if (fSeq)
format = DetailControlsStrings.ksNewItemBefore;
else // sibling collection
format = DetailControlsStrings.ksNewItemWithin;
}
m_mnuCreate.MenuItems.Add(new MenuItem(
String.Format(format, new object[] {cpi.signatureClassName, cpi.fieldName}),
new EventHandler(this.HandleCreateMenuItem)));
}
m_mnuCreate.Enabled = m_mnuCreate.MenuItems.Count > 0;
m_helper.SetupDeleteMenu(m_mnuDelete);
}
void CreateHandle ()
{
helper = new ContextMenuHelper(this);
m_view = helper;
}
public void HandleCreateMenuItem(object sender, EventArgs ea)
{
Slice slice = m_dataEntryForm.CurrentSlice;
if (slice != null)
{
ClassAndPropInfo cpi = (ClassAndPropInfo)m_rgcpiCreateOptions[((MenuItem)sender).Index];
FDO.FdoCache cache = slice.ContainingDataTree.Cache;
int hvoOwner = cpi.hvoOwner;
int ihvoPosition = cpi.ihvoPosition;
if (ihvoPosition == ClassAndPropInfo.kposNotSet && cpi.fieldType == (int)FieldType.kcptOwningSequence)
{
// insert at end of sequence.
ihvoPosition = cache.GetVectorSize(hvoOwner, (int)cpi.flid);
} // otherwise we already worked out the position or it doesn't matter
// Note: ihvoPosition ignored if sequence or atomic.
int hvoNew = cache.CreateObject((int)(cpi.signatureClsid), hvoOwner, (int)(cpi.flid), ihvoPosition);
cache.MainCacheAccessor.PropChanged(null, (int)PropChangeType.kpctNotifyAll, hvoOwner, (int)(cpi.flid), ihvoPosition, 1, 0);
m_helper = null; // allow old one to be garbage.
if (hvoOwner == slice.Object.Hvo && slice.Expansion == DataTree.TreeItemState.ktisCollapsed)
{
// We added something to the object of the current slice...almost certainly it
// will be something that will display under this node...if it is still collapsed,
// expand it to show the thing inserted.
slice.TreeNode.ToggleExpansion(slice.IndexInContainer);
}
Slice child = slice.ExpandSubItem(hvoNew);
if (child != null)
child.FocusSliceOrChild();
}
}