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/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.documentsui;
import android.app.Fragment;
import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.content.Context;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.ProgressBar;
import com.android.documentsui.model.DocumentInfo;
/**
* Display document title editor and save button.
*/
public class SaveFragment extends Fragment {
public static final String TAG = "SaveFragment";
private DocumentInfo mReplaceTarget;
private EditText mDisplayName;
private Button mSave;
private ProgressBar mProgress;
private boolean mIgnoreNextEdit;
private static final String EXTRA_MIME_TYPE = "mime_type";
private static final String EXTRA_DISPLAY_NAME = "display_name";
public static void show(FragmentManager fm, String mimeType, String displayName) {
final Bundle args = new Bundle();
args.putString(EXTRA_MIME_TYPE, mimeType);
args.putString(EXTRA_DISPLAY_NAME, displayName);
final SaveFragment fragment = new SaveFragment();
fragment.setArguments(args);
final FragmentTransaction ft = fm.beginTransaction();
ft.replace(R.id.container_save, fragment, TAG);
ft.commitAllowingStateLoss();
}
public static SaveFragment get(FragmentManager fm) {
return (SaveFragment) fm.findFragmentByTag(TAG);
}
@Override
public View onCreateView(
LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
final Context context = inflater.getContext();
final View view = inflater.inflate(R.layout.fragment_save, container, false);
final ImageView icon = (ImageView) view.findViewById(android.R.id.icon);
icon.setImageDrawable(
IconUtils.loadMimeIcon(context, getArguments().getString(EXTRA_MIME_TYPE)));
mDisplayName = (EditText) view.findViewById(android.R.id.title);
mDisplayName.addTextChangedListener(mDisplayNameWatcher);
mDisplayName.setText(getArguments().getString(EXTRA_DISPLAY_NAME));
mSave = (Button) view.findViewById(android.R.id.button1);
mSave.setOnClickListener(mSaveListener);
mSave.setEnabled(false);
mProgress = (ProgressBar) view.findViewById(android.R.id.progress);
return view;
}
private TextWatcher mDisplayNameWatcher = new TextWatcher() {
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
if (mIgnoreNextEdit) {
mIgnoreNextEdit = false;
} else {
mReplaceTarget = null;
}
}
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
// ignored
}
@Override
public void afterTextChanged(Editable s) {
// ignored
}
};
private View.OnClickListener mSaveListener = new View.OnClickListener() {
@Override
public void onClick(View v) {
final DocumentsActivity activity = DocumentsActivity.get(SaveFragment.this);
if (mReplaceTarget != null) {
activity.onSaveRequested(mReplaceTarget);
} else {
final String mimeType = getArguments().getString(EXTRA_MIME_TYPE);
final String displayName = mDisplayName.getText().toString();
activity.onSaveRequested(mimeType, displayName);
}
}
};
/**
* Set given document as target for in-place writing if user hits save
* without changing the filename. Can be set to {@code null} if user
* navigates outside the target directory.
*/
public void setReplaceTarget(DocumentInfo replaceTarget) {
mReplaceTarget = replaceTarget;
if (mReplaceTarget != null) {
getArguments().putString(EXTRA_DISPLAY_NAME, replaceTarget.displayName);
mIgnoreNextEdit = true;
mDisplayName.setText(replaceTarget.displayName);
}
}
public void setSaveEnabled(boolean enabled) {
mSave.setEnabled(enabled);
}
public void setPending(boolean pending) {
mSave.setVisibility(pending ? View.INVISIBLE : View.VISIBLE);
mProgress.setVisibility(pending ? View.VISIBLE : View.GONE);
}
}
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