124 lines
3.8 KiB
Java
124 lines
3.8 KiB
Java
/*
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* Copyright (c) 2014 Jonas Kalderstam
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.nononsenseapps.filepicker;
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import android.app.Activity;
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import android.app.DialogFragment;
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import android.os.Bundle;
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import android.text.Editable;
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import android.text.TextWatcher;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.EditText;
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public abstract class NewItemFragment extends DialogFragment {
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private String itemName = null;
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private View okButton = null;
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private OnNewFolderListener listener = null;
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public NewItemFragment() {
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super();
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}
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public void setListener(final OnNewFolderListener listener) {
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this.listener = listener;
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}
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@Override
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public void onAttach(Activity activity) {
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super.onAttach(activity);
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setRetainInstance(true);
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}
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container,
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Bundle savedInstanceState) {
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getDialog().setTitle(getDialogTitle());
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final View view = inflater.inflate(R.layout.dialog_new_item, null);
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okButton = view.findViewById(R.id.button_ok);
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okButton.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(final View v) {
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if (listener != null) {
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listener.onNewFolder(itemName);
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}
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dismiss();
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}
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});
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view.findViewById(R.id.button_cancel).setOnClickListener(new View
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.OnClickListener() {
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@Override
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public void onClick(final View v) {
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dismiss();
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}
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});
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final EditText editText = (EditText) view.findViewById(R.id.edit_text);
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if (itemName == null) {
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okButton.setEnabled(false);
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} else {
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editText.setText(itemName);
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validateItemName();
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}
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editText.addTextChangedListener
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(new TextWatcher() {
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@Override
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public void beforeTextChanged(final CharSequence s, final int start, final int count, final int after) {
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}
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@Override
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public void onTextChanged(final CharSequence s, final int start, final int before, final int count) {
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}
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@Override
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public void afterTextChanged(final Editable s) {
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itemName = s.toString();
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validateItemName();
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}
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});
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return view;
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}
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private void validateItemName() {
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if (okButton != null) {
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okButton.setEnabled(validateName(itemName));
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}
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}
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public interface OnNewFolderListener {
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/**
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* Name is validated to be non-null, non-empty and not containing any
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* slashes.
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*
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* @param name The name of the folder the user wishes to create.
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*/
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public void onNewFolder(final String name);
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}
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protected abstract boolean validateName(final String itemName);
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protected abstract int getDialogTitle();
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}
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