private void updatePathFromTree(final List<VirtualFile> selection, boolean now) {
if (!isToShowTextField() || myTreeIsUpdating) return;
String text = "";
if (selection.size() > 0) {
text = VfsUtil.getReadableUrl(selection.get(0));
} else {
final List<VirtualFile> roots = myChooserDescriptor.getRoots();
if (!myFileSystemTree.getTree().isRootVisible() && roots.size() == 1) {
text = VfsUtil.getReadableUrl(roots.get(0));
}
}
myPathTextField.setText(
text,
now,
() -> {
myPathTextField.getField().selectAll();
setErrorText(null);
});
}
@Nullable
protected final JComponent createTitlePane() {
final String description = myChooserDescriptor.getDescription();
if (StringUtil.isEmptyOrSpaces(description)) return null;
final JLabel label = new JLabel(description);
label.setBorder(
BorderFactory.createCompoundBorder(
new SideBorder(UIUtil.getPanelBackground().darker(), SideBorder.BOTTOM),
JBUI.Borders.empty(0, 5, 10, 5)));
return label;
}
protected JTree createTree() {
Tree internalTree = createInternalTree();
myFileSystemTree =
new FileSystemTreeImpl(myProject, myChooserDescriptor, internalTree, null, null, null);
internalTree.setRootVisible(myChooserDescriptor.isTreeRootVisible());
internalTree.setShowsRootHandles(true);
Disposer.register(myDisposable, myFileSystemTree);
myFileSystemTree.addOkAction(this::doOKAction);
JTree tree = myFileSystemTree.getTree();
tree.setCellRenderer(new NodeRenderer());
tree.getSelectionModel().addTreeSelectionListener(new FileTreeSelectionListener());
tree.addTreeExpansionListener(new FileTreeExpansionListener());
setOKActionEnabled(false);
myFileSystemTree.addListener(
new FileSystemTree.Listener() {
public void selectionChanged(final List<VirtualFile> selection) {
updatePathFromTree(selection, false);
}
},
myDisposable);
new FileDrop(
tree,
new FileDrop.Target() {
public FileChooserDescriptor getDescriptor() {
return myChooserDescriptor;
}
public boolean isHiddenShown() {
return myFileSystemTree.areHiddensShown();
}
public void dropFiles(final List<VirtualFile> files) {
if (!myChooserDescriptor.isChooseMultiple() && files.size() > 0) {
selectInTree(new VirtualFile[] {files.get(0)}, true, true);
} else {
selectInTree(VfsUtilCore.toVirtualFileArray(files), true, true);
}
}
});
return tree;
}
protected void doOKAction() {
if (!isOKActionEnabled()) {
return;
}
if (isTextFieldActive()) {
final String text = myPathTextField.getTextFieldText();
final LookupFile file = myPathTextField.getFile();
if (text == null || file == null || !file.exists()) {
setErrorText("Specified path cannot be found");
return;
}
}
final List<VirtualFile> selectedFiles = Arrays.asList(getSelectedFilesInt());
final VirtualFile[] files =
VfsUtilCore.toVirtualFileArray(
FileChooserUtil.getChosenFiles(myChooserDescriptor, selectedFiles));
if (files.length == 0) {
myChosenFiles = VirtualFile.EMPTY_ARRAY;
close(CANCEL_EXIT_CODE);
return;
}
try {
myChooserDescriptor.validateSelectedFiles(files);
} catch (Exception e) {
Messages.showErrorDialog(getContentPane(), e.getMessage(), getTitle());
return;
}
myChosenFiles = files;
storeSelection(files[files.length - 1]);
super.doOKAction();
}
private static String getChooserTitle(final FileChooserDescriptor descriptor) {
final String title = descriptor.getTitle();
return title != null ? title : UIBundle.message("file.chooser.default.title");
}