public override void OnClickAdditionalTitleIcon(int idx)
{
if (idx == ICON_INDEX_ADD_TAB) // addd new tab
{
VDTab tab = this.ModelElement as VDTab;
if (tab == null || tab.HeadContainer == null || tab.BodyContainer == null)
{
return;
}
using (Transaction t = this.Store.TransactionManager.BeginTransaction("Add new tab page"))
{
VDTabHead head = this.Store.ElementFactory.CreateElement(
VDTabHead.DomainClassId,
new PropertyAssignment(VDTabHead.TabTitleDomainPropertyId, "New Tab")) as VDTabHead;
VDTabBody body = this.Store.ElementFactory.CreateElement(VDTabBody.DomainClassId) as VDTabBody;
head.Body = body;
tab.ActiveHead = head;
tab.HeadContainer.Children.Add(head);
tab.BodyContainer.Children.Add(body);
this.relayoutChildren = true; // only show active tab's body shape, hide other body shapes
t.Commit();
}
}
}
public override void OnRelayoutChildShapes()
{
if (this.BodyContainerShape == null)
{
return;
}
VDTab tab = this.ModelElement as VDTab;
if (tab == null)
{
return;
}
// only show active tab's body shape, hide other body shapes
foreach (var w in this.BodyContainerShape.NestedChildShapes)
{
VDTabBodyShape bodyShape = w as VDTabBodyShape;
if (bodyShape != null)
{
VDTabBody body = bodyShape.ModelElement as VDTabBody;
if (body == null || body.Head == null || body.Head != tab.ActiveHead)
{
bodyShape.Hide();
}
else
{
bodyShape.Show();
}
}
}
// set head background for active tab
if (this.HeadContainerShape == null)
{
return;
}
foreach (var w in this.HeadContainerShape.NestedChildShapes)
{
VDTabHeadShape headShape = w as VDTabHeadShape;
if (headShape != null)
{
VDTabHead head = headShape.ModelElement as VDTabHead;
if (head == null || tab.ActiveHead != head)
{
headShape.isActiveTab = false;
}
else
{
headShape.isActiveTab = true;
}
}
}
//this.BodyContainerShape.relayoutChildren = true; // trigger body shapes' bounds rules
}
public override void OnBoundsFixup(BoundsFixupState fixupState, int iteration, bool createdDuringViewFixup)
{
base.OnBoundsFixup(fixupState, iteration, createdDuringViewFixup);
// be sure the isActiveTab property is set for Active Tab
VDTabHead tabHead = this.ModelElement as VDTabHead;
if (tabHead != null && tabHead.Parent != null && tabHead.Parent.Parent != null)
{
VDTab tab = tabHead.Parent.Parent as VDTab;
if (tab != null && tab.ActiveHead == tabHead)
{
this.isActiveTab = true;
}
}
}
public override void OnClick(DiagramPointEventArgs e)
{
if (this.ParentShape == null || this.ParentShape.ParentShape == null)
{
return;
}
VDTabShape tabShape = this.ParentShape.ParentShape as VDTabShape;
if (tabShape == null)
{
return;
}
VDTab tab = tabShape.ModelElement as VDTab;
if (tab == null)
{
return;
}
VDTabHead curHead = this.ModelElement as VDTabHead;
if (curHead == null)
{
return;
}
if (tab.ActiveHead != curHead)
{
using (Transaction t = this.Store.TransactionManager.BeginTransaction("Set active tab"))
{
tab.ActiveHead = curHead;
tabShape.relayoutChildren = true; // only show active tab's body shape, hide other body shapes
t.Commit();
}
}
}
