f862155e34
Stuff was getting out of control in the main package. Change-Id: Ia06ba96f5bbe13388d51e6ad52a9dac76af97cc0
130 lines
4.4 KiB
Java
130 lines
4.4 KiB
Java
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.documentsui;
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import android.annotation.Nullable;
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import android.app.Fragment;
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import android.app.FragmentManager;
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import android.app.FragmentTransaction;
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import android.os.Bundle;
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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.Button;
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import android.widget.ImageView;
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import android.widget.TextView;
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/**
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* A message bar displaying some info/error messages and a Dismiss button.
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*/
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public class MessageBar extends Fragment {
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private View mView;
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private ViewGroup mContainer;
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/**
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* Creates an instance of a MessageBar. Note that the new MessagBar is not visible by default,
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* and has to be shown by calling MessageBar.show.
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*/
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public static MessageBar create(FragmentManager fm) {
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final MessageBar fragment = new MessageBar();
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final FragmentTransaction ft = fm.beginTransaction();
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ft.replace(R.id.container_message_bar, fragment);
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ft.commitAllowingStateLoss();
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return fragment;
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}
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/**
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* Sets the info message. Can be null, in which case no info message will be displayed. The
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* message bar layout will be adjusted accordingly.
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*/
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public void setInfo(@Nullable String info) {
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View infoContainer = mView.findViewById(R.id.container_info);
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if (info != null) {
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TextView infoText = (TextView) mView.findViewById(R.id.textview_info);
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infoText.setText(info);
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infoContainer.setVisibility(View.VISIBLE);
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} else {
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infoContainer.setVisibility(View.GONE);
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}
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}
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/**
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* Sets the error message. Can be null, in which case no error message will be displayed. The
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* message bar layout will be adjusted accordingly.
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*/
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public void setError(@Nullable String error) {
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View errorView = mView.findViewById(R.id.container_error);
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if (error != null) {
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TextView errorText = (TextView) mView.findViewById(R.id.textview_error);
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errorText.setText(error);
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errorView.setVisibility(View.VISIBLE);
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} else {
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errorView.setVisibility(View.GONE);
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}
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}
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@Override
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public View onCreateView(
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LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
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mView = inflater.inflate(R.layout.fragment_message_bar, container, false);
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ImageView infoIcon = (ImageView) mView.findViewById(R.id.icon_info);
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infoIcon.setImageResource(R.drawable.ic_dialog_info);
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ImageView errorIcon = (ImageView) mView.findViewById(R.id.icon_error);
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errorIcon.setImageResource(R.drawable.ic_dialog_alert);
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Button dismiss = (Button) mView.findViewById(R.id.button_dismiss);
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dismiss.setOnClickListener(
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new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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hide();
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}
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});
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mContainer = container;
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return mView;
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}
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public void hide() {
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// The container view is used to show/hide the error bar. If a container is not provided,
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// fall back to showing/hiding the error bar View, which also works, but does not provide
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// the same animated transition.
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if (mContainer != null) {
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mContainer.setVisibility(View.GONE);
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} else {
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mView.setVisibility(View.GONE);
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}
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}
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public void show() {
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// The container view is used to show/hide the error bar. If a container is not provided,
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// fall back to showing/hiding the error bar View, which also works, but does not provide
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// the same animated transition.
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if (mContainer != null) {
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mContainer.setVisibility(View.VISIBLE);
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} else {
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mView.setVisibility(View.VISIBLE);
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}
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}
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}
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