Examples with SafeDeleteProcessor com.intellij.refactoring.safeDelete.SafeDeleteProcessor used on opensource projects

Example 1 with SafeDeleteProcessor

use of com.intellij.refactoring.safeDelete.SafeDeleteProcessor in project intellij-community by JetBrains.

the class DeleteHandler method deletePsiElement.

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) {
        final Ref<Boolean> exit = Ref.create(false);
        final SafeDeleteDialog dialog = new SafeDeleteDialog(project, elements, new SafeDeleteDialog.Callback() {

            @Override
            public void run(final SafeDeleteDialog dialog) {
                if (!CommonRefactoringUtil.checkReadOnlyStatusRecursively(project, Arrays.asList(elements), true))
                    return;
                SafeDeleteProcessor processor = SafeDeleteProcessor.createInstance(project, () -> {
                    exit.set(true);
                    dialog.close(DialogWrapper.OK_EXIT_CODE);
                }, elements, dialog.isSearchInComments(), dialog.isSearchForTextOccurences(), true);
                processor.run();
            }
        }) {

            @Override
            protected boolean isDelete() {
                return true;
            }
        };
        if (needConfirmation) {
            dialog.setTitle(RefactoringBundle.message("delete.title"));
            if (!dialog.showAndGet() || exit.get()) {
                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 != Messages.OK)
                return;
        }
    }
    CommandProcessor.getInstance().executeCommand(project, () -> NonProjectFileWritingAccessProvider.disableChecksDuring(() -> {
        Collection<PsiElement> directories = ContainerUtil.newSmartList();
        for (PsiElement e : elements) {
            if (e instanceof PsiFileSystemItem && e.getParent() != null) {
                directories.add(e.getParent());
            }
        }
        if (!CommonRefactoringUtil.checkReadOnlyStatus(project, Arrays.asList(elements), directories, false)) {
            return;
        }
        // deleted from project view or something like that.
        if (CommonDataKeys.EDITOR.getData(DataManager.getInstance().getDataContext()) == null) {
            CommandProcessor.getInstance().markCurrentCommandAsGlobal(project);
        }
        for (final PsiElement elementToDelete : elements) {
            //was already deleted
            if (!elementToDelete.isValid())
                continue;
            if (elementToDelete instanceof PsiDirectory) {
                VirtualFile virtualFile = ((PsiDirectory) elementToDelete).getVirtualFile();
                if (virtualFile.isInLocalFileSystem() && !virtualFile.is(VFileProperty.SYMLINK)) {
                    ArrayList<VirtualFile> readOnlyFiles = new ArrayList<>();
                    CommonRefactoringUtil.collectReadOnlyFiles(virtualFile, readOnlyFiles);
                    if (!readOnlyFiles.isEmpty()) {
                        String message = IdeBundle.message("prompt.directory.contains.read.only.files", virtualFile.getPresentableUrl());
                        int _result = Messages.showYesNoDialog(project, message, IdeBundle.message("title.delete"), Messages.getQuestionIcon());
                        if (_result != Messages.YES)
                            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 != Messages.YES)
                            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(() -> {
                try {
                    elementToDelete.delete();
                } catch (final IncorrectOperationException ex) {
                    ApplicationManager.getApplication().invokeLater(() -> Messages.showMessageDialog(project, ex.getMessage(), CommonBundle.getErrorTitle(), Messages.getErrorIcon()));
                }
            });
        }
    }), RefactoringBundle.message("safe.delete.command", RefactoringUIUtil.calculatePsiElementDescriptionList(elements)), null);
}