void KisLayerBox::setCanvas(KoCanvasBase *canvas)
{
if (m_canvas) {
m_canvas->disconnectCanvasObserver(this);
m_nodeModel->setDummiesFacade(0, 0);
disconnect(m_image, 0, this, 0);
disconnect(m_nodeManager, 0, this, 0);
disconnect(m_nodeModel, 0, m_nodeManager, 0);
disconnect(m_nodeModel, SIGNAL(nodeActivated(KisNodeSP)), this, SLOT(updateUI()));
}
m_canvas = dynamic_cast<KisCanvas2*>(canvas);
if (m_canvas) {
m_image = m_canvas->view()->image();
m_nodeManager = m_canvas->view()->nodeManager();
KisDummiesFacadeBase *kritaDummiesFacade = dynamic_cast<KisDummiesFacadeBase*>(m_canvas->view()->document()->shapeController());
m_nodeModel->setDummiesFacade(kritaDummiesFacade, m_image);
connect(m_image, SIGNAL(sigAboutToBeDeleted()), SLOT(notifyImageDeleted()));
// cold start
setCurrentNode(m_nodeManager->activeNode());
// Connection KisNodeManager -> KisLayerBox
connect(m_nodeManager, SIGNAL(sigUiNeedChangeActiveNode(KisNodeSP)), this, SLOT(setCurrentNode(KisNodeSP)));
// Connection KisLayerBox -> KisNodeManager
// The order of these connections is important! See comment in the ctor
connect(m_nodeModel, SIGNAL(nodeActivated(KisNodeSP)), m_nodeManager, SLOT(slotUiActivatedNode(KisNodeSP)));
connect(m_nodeModel, SIGNAL(nodeActivated(KisNodeSP)), SLOT(updateUI()));
// Node manipulation methods are forwarded to the node manager
connect(m_nodeModel, SIGNAL(requestAddNode(KisNodeSP, KisNodeSP, KisNodeSP)),
m_nodeManager, SLOT(addNodeDirect(KisNodeSP, KisNodeSP, KisNodeSP)));
connect(m_nodeModel, SIGNAL(requestMoveNode(KisNodeSP, KisNodeSP, KisNodeSP)),
m_nodeManager, SLOT(moveNodeDirect(KisNodeSP, KisNodeSP, KisNodeSP)));
m_wdgLayerBox->listLayers->expandAll();
expandNodesRecursively(m_image->rootLayer(), m_nodeModel, m_wdgLayerBox->listLayers);
m_wdgLayerBox->listLayers->scrollToBottom();
foreach(KisAction *action, m_actions) {
m_canvas->view()->actionManager()->addAction(action);
}
}
void expandNodesRecursively(KisNodeSP root, QPointer<KisNodeFilterProxyModel> filteringModel, KisNodeView *nodeView)
{
if (!root) return;
if (filteringModel.isNull()) return;
if (!nodeView) return;
nodeView->blockSignals(true);
KisNodeSP node = root->firstChild();
while (node) {
QModelIndex idx = filteringModel->indexFromNode(node);
if (idx.isValid()) {
if (node->collapsed()) {
nodeView->collapse(idx);
}
}
if (node->childCount() > 0) {
expandNodesRecursively(node, filteringModel, nodeView);
}
node = node->nextSibling();
}
nodeView->blockSignals(false);
}
void expandNodesRecursively(KisNodeSP root, QPointer<KisNodeModel> nodeModel, KoDocumentSectionView *sectionView)
{
if (!root) return;
if (nodeModel.isNull()) return;
if (!sectionView) return;
sectionView->blockSignals(true);
KisNodeSP node = root->firstChild();
while (node) {
QModelIndex idx = nodeModel->indexFromNode(node);
if (idx.isValid()) {
if (node->collapsed()) {
sectionView->collapse(idx);
}
}
if (node->childCount() > 0) {
expandNodesRecursively(node, nodeModel, sectionView);
}
node = node->nextSibling();
}
sectionView->blockSignals(false);
}
