1 files changed, 81 insertions, 0 deletions
diff --git a/app/src/main/java/it/niedermann/owncloud/notes/android/fragment/EditTitleDialogFragment.java b/app/src/main/java/it/niedermann/owncloud/notes/android/fragment/EditTitleDialogFragment.java
new file mode 100644
index 00000000..db1dbd61
--- /dev/null
+++ b/app/src/main/java/it/niedermann/owncloud/notes/android/fragment/EditTitleDialogFragment.java
@@ -0,0 +1,81 @@
+package it.niedermann.owncloud.notes.android.fragment;
+
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.Context;
+import android.os.Bundle;
+import android.view.View;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.DialogFragment;
+
+import it.niedermann.owncloud.notes.R;
+import it.niedermann.owncloud.notes.databinding.DialogEditTitleBinding;
+
+public class EditTitleDialogFragment extends DialogFragment {
+
+    static final String PARAM_OLD_TITLE = "old_title";
+
+    private String oldTitle;
+    private EditTitleListener listener;
+
+    @Override
+    public void onAttach(@NonNull Context context) {
+        super.onAttach(context);
+        final Bundle args = getArguments();
+        if (args == null) {
+            throw new IllegalArgumentException("Provide at least " + PARAM_OLD_TITLE);
+        }
+        oldTitle = args.getString(PARAM_OLD_TITLE);
+
+        if (getTargetFragment() instanceof EditTitleListener) {
+            listener = (EditTitleListener) getTargetFragment();
+        } else if (getActivity() instanceof EditTitleListener) {
+            listener = (EditTitleListener) getActivity();
+        } else {
+            throw new IllegalArgumentException("Calling activity or target fragment must implement " + EditTitleListener.class.getSimpleName());
+        }
+    }
+
+    @NonNull
+    @Override
+    public Dialog onCreateDialog(@Nullable Bundle savedInstanceState) {
+        View dialogView = View.inflate(getContext(), R.layout.dialog_edit_title, null);
+        DialogEditTitleBinding binding = DialogEditTitleBinding.bind(dialogView);
+
+        if (savedInstanceState == null) {
+            if (requireArguments().containsKey(PARAM_OLD_TITLE)) {
+                binding.title.setText(requireArguments().getString(PARAM_OLD_TITLE));
+            }
+        }
+
+        return new AlertDialog.Builder(getActivity())
+                .setTitle(R.string.change_note_title)
+                .setView(dialogView)
+                .setCancelable(true)
+                .setPositiveButton(R.string.action_edit_save, (dialog, which) -> listener.onTitleEdited(binding.title.getText().toString()))
+                .setNegativeButton(R.string.simple_cancel, null)
+                .create();
+    }
+
+    public static DialogFragment newInstance(String title) {
+        final DialogFragment fragment = new EditTitleDialogFragment();
+        final Bundle args = new Bundle();
+        args.putString(PARAM_OLD_TITLE, title);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    /**
+     * Interface that must be implemented by the calling Activity.
+     */
+    public interface EditTitleListener {
+        /**
+         * This method is called after the user has changed the title of a note manually.
+         *
+         * @param newTitle the new title that a user submitted
+         */
+        void onTitleEdited(String newTitle);
+    }
+}