public Pair<Image, Point> createDraggedImage(DnDAction action, Point dragOrigin) {
final List<PackagingElementNode<?>> nodes = getNodesToDrag();
if (nodes.size() == 1) {
return DnDAwareTree.getDragImage(this, getPathFor(nodes.get(0)), dragOrigin);
}
return DnDAwareTree.getDragImage(
this,
ProjectBundle.message("drag.n.drop.text.0.packaging.elements", nodes.size()),
dragOrigin);
}
public void expand(@Nullable final Object[] path, final boolean requestFocus) {
if (getTreeBuilder() == null || path == null) return;
getTreeBuilder().buildNodeForPath(path);
DefaultMutableTreeNode node = getTreeBuilder().getNodeForPath(path);
if (node == null) {
return;
}
TreePath treePath = new TreePath(node.getPath());
myTree.expandPath(treePath);
if (requestFocus) {
myTree.requestFocus();
}
TreeUtil.selectPath(myTree, treePath);
}
@NotNull
public FavoritesTreeNodeDescriptor[] getSelectedNodeDescriptors() {
TreePath[] path = myTree.getSelectionPaths();
if (path == null) {
return FavoritesTreeNodeDescriptor.EMPTY_ARRAY;
}
ArrayList<FavoritesTreeNodeDescriptor> result = new ArrayList<FavoritesTreeNodeDescriptor>();
for (TreePath treePath : path) {
DefaultMutableTreeNode lastPathNode =
(DefaultMutableTreeNode) treePath.getLastPathComponent();
Object userObject = lastPathNode.getUserObject();
if (!(userObject instanceof FavoritesTreeNodeDescriptor)) {
continue;
}
FavoritesTreeNodeDescriptor treeNodeDescriptor = (FavoritesTreeNodeDescriptor) userObject;
result.add(treeNodeDescriptor);
}
return result.toArray(new FavoritesTreeNodeDescriptor[result.size()]);
}
public TreePath[] getSelectionPaths() {
return myTree == null ? null : myTree.getSelectionPaths();
}
public FavoritesTreeViewPanel(Project project, String helpId, String name) {
super(new BorderLayout());
myProject = project;
myHelpId = helpId;
myListName = name;
myFavoritesTreeStructure = new FavoritesTreeStructure(project, myListName);
DefaultMutableTreeNode root = new DefaultMutableTreeNode();
root.setUserObject(myFavoritesTreeStructure.getRootElement());
final DefaultTreeModel treeModel = new DefaultTreeModel(root);
myTree = new DnDAwareTree(treeModel);
myBuilder =
new FavoritesViewTreeBuilder(
myProject, myTree, treeModel, myFavoritesTreeStructure, myListName);
TreeUtil.installActions(myTree);
UIUtil.setLineStyleAngled(myTree);
myTree.setRootVisible(false);
myTree.setShowsRootHandles(true);
myTree.setLargeModel(true);
new TreeSpeedSearch(myTree);
ToolTipManager.sharedInstance().registerComponent(myTree);
myTree.setCellRenderer(
new NodeRenderer() {
public void customizeCellRenderer(
JTree tree,
Object value,
boolean selected,
boolean expanded,
boolean leaf,
int row,
boolean hasFocus) {
super.customizeCellRenderer(tree, value, selected, expanded, leaf, row, hasFocus);
if (value instanceof DefaultMutableTreeNode) {
final DefaultMutableTreeNode node = (DefaultMutableTreeNode) value;
// only favorites roots to explain
final Object userObject = node.getUserObject();
if (userObject instanceof FavoritesTreeNodeDescriptor) {
final FavoritesTreeNodeDescriptor favoritesTreeNodeDescriptor =
(FavoritesTreeNodeDescriptor) userObject;
AbstractTreeNode treeNode = favoritesTreeNodeDescriptor.getElement();
final ItemPresentation presentation = treeNode.getPresentation();
String locationString = presentation.getLocationString();
if (locationString != null && locationString.length() > 0) {
append(" (" + locationString + ")", SimpleTextAttributes.GRAY_ATTRIBUTES);
} else if (node.getParent() != null && node.getParent().getParent() == null) {
final String location = favoritesTreeNodeDescriptor.getLocation();
if (location != null && location.length() > 0) {
append(" (" + location + ")", SimpleTextAttributes.GRAY_ATTRIBUTES);
}
}
}
}
}
});
JScrollPane scrollPane = ScrollPaneFactory.createScrollPane(myTree);
myTreePopupHandler =
CustomizationUtil.installPopupHandler(
myTree, IdeActions.GROUP_FAVORITES_VIEW_POPUP, ActionPlaces.FAVORITES_VIEW_POPUP);
add(scrollPane, BorderLayout.CENTER);
// add(createActionsToolbar(), BorderLayout.NORTH);
EditSourceOnDoubleClickHandler.install(myTree);
EditSourceOnEnterKeyHandler.install(myTree);
myCopyPasteDelegator =
new CopyPasteDelegator(myProject, this) {
@NotNull
protected PsiElement[] getSelectedElements() {
return getSelectedPsiElements();
}
};
}
