//---------------------------------------------------------------------------
void tTVPLayerManager::RemoveModeFrom(tTJSNI_BaseLayer *layer)
{
// remove modal state from given layer
bool do_notify = false;
try
{
std::vector<tTJSNI_BaseLayer*>::iterator i;
for(i = ModalLayerVector.begin(); i < ModalLayerVector.end();)
{
if(layer == *i)
{
if(!do_notify) { do_notify = true; SaveEnabledWork(); }
if(layer->Owner) layer->Owner->Release();
SetFocusTo(layer->GetNextFocusable(), true);
i = ModalLayerVector.erase(i);
}
else
{
i++;
}
}
}
catch(...)
{
if(do_notify) NotifyNodeEnabledState();
throw;
}
if(do_notify) NotifyNodeEnabledState();
}
//---------------------------------------------------------------------------
void tTVPLayerManager::RemoveTreeModalState(tTJSNI_BaseLayer *root)
{
// remove modal state from given tree
bool do_notify = false;
try
{
std::vector<tTJSNI_BaseLayer*>::iterator i;
for(i = ModalLayerVector.begin(); i < ModalLayerVector.end();)
{
if((*i)->IsAncestorOrSelf(root))
{
if(!do_notify) { do_notify = true; SaveEnabledWork(); }
if((*i)->Owner) (*i)->Owner->Release();
SetFocusTo(root->GetNextFocusable(), true);
i = ModalLayerVector.erase(i);
}
else
{
i++;
}
}
}
catch(...)
{
if(do_notify) NotifyNodeEnabledState();
throw;
}
if(do_notify) NotifyNodeEnabledState();
}
//---------------------------------------------------------------------------
void tTVPLayerManager::SetModeTo(tTJSNI_BaseLayer *layer)
{
// (primary only) set mode to layer
if(!layer) return;
SaveEnabledWork();
try
{
tTJSNI_BaseLayer *current = GetCurrentModalLayer();
if(current && layer->IsAncestorOrSelf(current))
TVPThrowExceptionMessage(TVPCannotSetModeToDisabledOrModal);
// cannot set mode to parent layer
if(!layer->Visible) layer->Visible = true;
if(!layer->GetParentVisible() || !layer->Enabled)
TVPThrowExceptionMessage(TVPCannotSetModeToDisabledOrModal);
// cannot set mode to parent layer
if(layer == current)
TVPThrowExceptionMessage(TVPCannotSetModeToDisabledOrModal);
// cannot set mode to already modal layer
SetFocusTo(layer->SearchFirstFocusable(), true);
if(layer->Owner) layer->Owner->AddRef();
ModalLayerVector.push_back(layer);
}
catch(...)
{
NotifyNodeEnabledState();
throw;
}
NotifyNodeEnabledState();
}
//---------------------------------------------------------------------------
bool tTVPLayerManager::BlurTree(tTJSNI_BaseLayer *root)
{
// (primary only) remove focus from "root"
RemoveTreeModalState(root);
LeaveMouseFromTree(root);
if(!FocusedLayer) return false;
if(!FocusedLayer->IsAncestorOrSelf(root)) return false;
// root is not ancestor of current focused layer
tTJSNI_BaseLayer *next = root->GetNextFocusable();
if(next != FocusedLayer)
SetFocusTo(next, true); // focus to root's next focusable layer
else
SetFocusTo(NULL, true);
return true;
}
//---------------------------------------------------------------------------
tTJSNI_BaseLayer *tTVPLayerManager::FocusNext()
{
// focus to next layer
tTJSNI_BaseLayer *l;
if(!FocusedLayer)
l = SearchFirstFocusable(false);// search first focusable layer
else
l = FocusedLayer->GetNextFocusable();
if(l) SetFocusTo(l, true);
return l;
}
//---------------------------------------------------------------------------
tTJSNI_BaseLayer *tTVPLayerManager::FocusPrev()
{
// focus to previous layer
tTJSNI_BaseLayer *l;
if(!FocusedLayer)
l = SearchFirstFocusable(false);// search first focusable layer
else
l = FocusedLayer->GetPrevFocusable();
if(l) SetFocusTo(l, false);
return l;
}
//---------------------------------------------------------------------------
void tTVPLayerManager::DetachPrimary()
{
// detach primary layer from the manager
if(Primary)
{
SetFocusTo(NULL);
ReleaseCapture();
ForceMouseLeave();
NotifyPart(Primary);
Primary = NULL;
}
}
