void MetadataItem::loadPendingData()
{
if (propertiesLoadedM == lsLoadPending)
loadProperties();
if (childrenLoadedM == lsLoadPending)
loadChildren();
}
void WTreeNode::expand()
{
if (!isExpanded()) {
if (!childrenLoaded_) {
loadChildren();
}
/*
* Happens if expandable() for an unpopulated node returned true,
* but after populate(), there were no children: update the node to
* reflect that in fact this node cannot be expanded after all
*/
if (parentNode() && childNodes_.empty()) {
parentNode()->resetLearnedSlots();
update();
}
if (loadPolicy_ == NextLevelLoading)
loadGrandChildren();
doExpand();
updateChildren();
}
}
void WTreeNode::setLoadPolicy(LoadPolicy loadPolicy)
{
loadPolicy_ = loadPolicy;
switch (loadPolicy) {
case PreLoading:
loadChildren();
break;
case NextLevelLoading:
if (isExpanded()) {
loadChildren();
loadGrandChildren();
} else {
WTreeNode *parent = parentNode();
if (parent && parent->isExpanded())
loadChildren();
expandIcon_
->icon1Clicked().connect(this, &WTreeNode::loadGrandChildren);
}
break;
case LazyLoading:
if (isExpanded())
loadChildren();
else {
if (childCountPolicy_ == Enabled) {
WTreeNode *parent = parentNode();
if (parent && parent->isExpanded())
doPopulate();
}
expandIcon_->icon1Clicked().connect(this, &WTreeNode::expand);
}
}
if (loadPolicy_ != LazyLoading) {
for (unsigned i = 0; i < childNodes_.size(); ++i)
childNodes_[i]->setLoadPolicy(loadPolicy_);
}
}
void WTreeNode::setLoadPolicy(LoadPolicy loadPolicy)
{
loadPolicy_ = loadPolicy;
switch (loadPolicy) {
case PreLoading:
loadChildren();
break;
case NextLevelLoading:
if (expanded()) {
loadChildren();
loadGrandChildren();
} else {
if (parentNode_ && parentNode_->expanded())
loadChildren();
expandIcon_
->icon1Clicked.connect(SLOT(this, WTreeNode::loadGrandChildren));
}
break;
case LazyLoading:
if (expanded())
loadChildren();
else {
if (parentNode_ && parentNode_->expanded()) {
if (!populated_) {
populate();
populated_= true;
}
}
expandIcon_->icon1Clicked.connect(SLOT(this, WTreeNode::expand));
}
}
if (loadPolicy_ != LazyLoading) {
for (unsigned i = 0; i < childNodes_.size(); ++i)
childNodes_[i]->setLoadPolicy(loadPolicy_);
}
}
void WTreeNode::expand()
{
if (!expanded()) {
if (!childrenLoaded_) {
loadChildren();
}
if (loadPolicy_ == NextLevelLoading)
loadGrandChildren();
doExpand();
}
}
void Property::load( const YAML::Node& yaml_node )
{
if( yaml_node.Type() == YAML::NodeType::Scalar )
{
loadValue( yaml_node );
}
else if( yaml_node.Type() == YAML::NodeType::Map )
{
loadChildren( yaml_node );
}
else
{
printf( "Property::load() TODO: error handling - unexpected YAML type (Sequence) at line %d, column %d.\n",
yaml_node.GetMark().line, yaml_node.GetMark().column );
}
}
void PlaylistSelection::loadChildren( QListViewItem* browserParent, QListViewItem* selectionParent )
{
QListViewItem* browserChild = browserParent->firstChild();
while( browserChild )
{
SelectionListItem* selectionChild = new SelectionListItem( selectionParent, browserChild->text(0), browserChild );
if ( browserChild->pixmap(0) )
selectionChild->setPixmap( 0, *browserChild->pixmap(0) );
if( browserChild->childCount() > 0 )
loadChildren( browserChild, selectionChild );
browserChild = browserChild->nextSibling();
}
}
PlaylistSelection::PlaylistSelection( QWidget* parent, char* name )
: KListView( parent, name )
{
addColumn( i18n("Select Playlists") );
setRootIsDecorated( true );
PlaylistBrowserView* browserTree = PlaylistBrowser::instance()->getListView();
QListViewItem* browserItem = browserTree->firstChild();
//load into the tree the first two items, which is the smart playlist and the playlist
for( int i = 0; i<2; i++ )
{
QListViewItem* newItem = new QListViewItem( this, browserItem->text(0) );
newItem->setPixmap( 0, *browserItem->pixmap(0) );
loadChildren( browserItem, newItem );
newItem->setOpen( true );
browserItem = browserItem->nextSibling();
}
}
void IncludeComponent::afterCreate() {
try {
auto relativePath = getAttribute("src");
if (relativePath.empty()) {
throw IllegalStateException("Source attribute not specified on"
" include component " +getId());
}
loadChildren(relativePath);
//erase self from parent's child list
auto parentChildren = getParent()->getChildren();
auto selfIt = find(parentChildren.begin(), parentChildren.end(), getSelf());
parentChildren.erase(selfIt);
}
catch (Exception& e) {
getChildren().clear();
throw Exception("Failed to build included view "
+getAttribute("src"), e);
}
}
KstTopLevelView::KstTopLevelView(const QDomElement& e, QWidget *parent, const char *name, WFlags w)
: KstViewObject(e), _w(new KstViewWidget(this, parent, name, w)) {
commonConstructor();
loadChildren(e);
}
void MetadataItem::ensureChildrenLoaded()
{
if (!childrenLoaded())
loadChildren();
}
