void Layout::synchronizeItem(Item*& layoutItem, Item*& externalItem, Model::Node* node)
{
// When refactoring this method have in mind that layoutItem might point to the same item as externalItem.
if (externalItem != layoutItem)
{
SAFE_DELETE_ITEM(layoutItem);
setUpdateNeeded();
}
if (externalItem && externalItem->node() != node )
{
SAFE_DELETE_ITEM(externalItem);
layoutItem = nullptr; // One of the safe deletes above deleted this item
setUpdateNeeded();
}
if (!externalItem && node)
{
externalItem = renderer()->render(nullptr, node);
externalItem->setParentItem(this);
layoutItem = externalItem;
setUpdateNeeded();
}
}
void RootItem::determineChildren()
{
if (node() && needsUpdate() == FullUpdate) SAFE_DELETE_ITEM(item_);
if (item_ && node() && item_->node() != node() ) SAFE_DELETE_ITEM(item_);
if (!item_ && node()) item_ = renderer()->render(this, node());
}
PanelBorderLayout::~PanelBorderLayout()
{
SAFE_DELETE_ITEM(top_);
SAFE_DELETE_ITEM(left_);
SAFE_DELETE_ITEM(bottom_);
SAFE_DELETE_ITEM(right_);
SAFE_DELETE_ITEM(content_);
}
void PanelBorderLayout::setContent(Item* content, bool deleteOldContent)
{
if (content_ == content) return;
if ( deleteOldContent ) SAFE_DELETE_ITEM(content_);
else if (content_) content_->setParentItem(nullptr);
if ( content ) content->setParentItem(this);
content_ = content;
setUpdateNeeded();
}
void Cursor::setVisualization(Item* visualization)
{
SAFE_DELETE_ITEM(visualization_);
visualization_ = visualization;
if (visualization_)
{
auto item = owner();
while (item)
{
if (item->flags() & Item::ItemIgnoresTransformations)
{
visualization_->setFlag(Item::ItemIgnoresTransformations);
break;
}
item = item->parent();
}
}
}
LayoutProviderBase::~LayoutProviderBase()
{
SAFE_DELETE_ITEM(layout_);
}
RootItem::~RootItem()
{
SAFE_DELETE_ITEM(item_);
}
void PanelBorderLayout::setPanel(bool enable, PanelLayout*& panel, const PanelLayoutStyle& style)
{
if ( enable && !panel ) panel = new PanelLayout(this, &style);
if ( !enable && panel ) SAFE_DELETE_ITEM(panel);
setUpdateNeeded();
}
