public boolean isEnabledOnElements(PsiElement[] elements) {
for (PsiElement element : elements) {
if (!SafeDeleteProcessor.validElement(element)) return false;
}
return true;
}
protected boolean isAvailableOnElementInEditor(final PsiElement element, final Editor editor) {
return SafeDeleteProcessor.validElement(element);
}
public static void deletePsiElement(
final PsiElement[] elementsToDelete, final Project project, boolean needConfirmation) {
if (elementsToDelete == null || elementsToDelete.length == 0) return;
final PsiElement[] elements = PsiTreeUtil.filterAncestors(elementsToDelete);
boolean safeDeleteApplicable = true;
for (int i = 0; i < elements.length && safeDeleteApplicable; i++) {
PsiElement element = elements[i];
safeDeleteApplicable = SafeDeleteProcessor.validElement(element);
}
final boolean dumb = DumbService.getInstance(project).isDumb();
if (safeDeleteApplicable && !dumb) {
DeleteDialog dialog =
new DeleteDialog(
project,
elements,
new DeleteDialog.Callback() {
public void run(final DeleteDialog dialog) {
if (!CommonRefactoringUtil.checkReadOnlyStatusRecursively(
project, Arrays.asList(elements), true)) return;
SafeDeleteProcessor.createInstance(
project,
new Runnable() {
public void run() {
dialog.close(DialogWrapper.CANCEL_EXIT_CODE);
}
},
elements,
dialog.isSearchInComments(),
dialog.isSearchInNonJava(),
true)
.run();
}
});
if (needConfirmation) {
dialog.show();
if (!dialog.isOK()) return;
}
} else {
@SuppressWarnings({"UnresolvedPropertyKey"})
String warningMessage =
DeleteUtil.generateWarningMessage(IdeBundle.message("prompt.delete.elements"), elements);
boolean anyDirectories = false;
String directoryName = null;
for (PsiElement psiElement : elementsToDelete) {
if (psiElement instanceof PsiDirectory
&& !PsiUtilBase.isSymLink((PsiDirectory) psiElement)) {
anyDirectories = true;
directoryName = ((PsiDirectory) psiElement).getName();
break;
}
}
if (anyDirectories) {
if (elements.length == 1) {
warningMessage +=
IdeBundle.message("warning.delete.all.files.and.subdirectories", directoryName);
} else {
warningMessage +=
IdeBundle.message(
"warning.delete.all.files.and.subdirectories.in.the.selected.directory");
}
}
if (safeDeleteApplicable && dumb) {
warningMessage +=
"\n\nWarning:\n Safe delete is not available while "
+ ApplicationNamesInfo.getInstance().getFullProductName()
+ " updates indices,\n no usages will be checked.";
}
if (needConfirmation) {
int result =
Messages.showOkCancelDialog(
project,
warningMessage,
IdeBundle.message("title.delete"),
ApplicationBundle.message("button.delete"),
CommonBundle.getCancelButtonText(),
Messages.getQuestionIcon());
if (result != 0) return;
}
}
final FileTypeManager ftManager = FileTypeManager.getInstance();
CommandProcessor.getInstance()
.executeCommand(
project,
new Runnable() {
public void run() {
if (!CommonRefactoringUtil.checkReadOnlyStatusRecursively(
project, Arrays.asList(elements), false)) {
return;
}
// deleted from project view or something like that.
if (PlatformDataKeys.EDITOR.getData(DataManager.getInstance().getDataContext())
== null) {
CommandProcessor.getInstance().markCurrentCommandAsGlobal(project);
}
for (final PsiElement elementToDelete : elements) {
if (!elementToDelete.isValid()) continue; // was already deleted
if (elementToDelete instanceof PsiDirectory) {
VirtualFile virtualFile = ((PsiDirectory) elementToDelete).getVirtualFile();
if (virtualFile.isInLocalFileSystem() && !virtualFile.isSymLink()) {
ArrayList<VirtualFile> readOnlyFiles = new ArrayList<VirtualFile>();
getReadOnlyVirtualFiles(virtualFile, readOnlyFiles, ftManager);
if (!readOnlyFiles.isEmpty()) {
int _result =
Messages.showYesNoDialog(
project,
IdeBundle.message(
"prompt.directory.contains.read.only.files",
virtualFile.getPresentableUrl()),
IdeBundle.message("title.delete"),
Messages.getQuestionIcon());
if (_result != 0) continue;
boolean success = true;
for (VirtualFile file : readOnlyFiles) {
success = clearReadOnlyFlag(file, project);
if (!success) break;
}
if (!success) continue;
}
}
} else if (!elementToDelete.isWritable()
&& !(elementToDelete instanceof PsiFileSystemItem
&& PsiUtilBase.isSymLink((PsiFileSystemItem) elementToDelete))) {
final PsiFile file = elementToDelete.getContainingFile();
if (file != null) {
final VirtualFile virtualFile = file.getVirtualFile();
if (virtualFile.isInLocalFileSystem()) {
int _result =
MessagesEx.fileIsReadOnly(project, virtualFile)
.setTitle(IdeBundle.message("title.delete"))
.appendMessage(IdeBundle.message("prompt.delete.it.anyway"))
.askYesNo();
if (_result != 0) continue;
boolean success = clearReadOnlyFlag(virtualFile, project);
if (!success) continue;
}
}
}
try {
elementToDelete.checkDelete();
} catch (IncorrectOperationException ex) {
Messages.showMessageDialog(
project,
ex.getMessage(),
CommonBundle.getErrorTitle(),
Messages.getErrorIcon());
continue;
}
ApplicationManager.getApplication()
.runWriteAction(
new Runnable() {
public void run() {
try {
elementToDelete.delete();
} catch (final IncorrectOperationException ex) {
ApplicationManager.getApplication()
.invokeLater(
new Runnable() {
public void run() {
Messages.showMessageDialog(
project,
ex.getMessage(),
CommonBundle.getErrorTitle(),
Messages.getErrorIcon());
}
});
}
}
});
}
}
},
RefactoringBundle.message(
"safe.delete.command",
RefactoringUIUtil.calculatePsiElementDescriptionList(elements)),
null);
}