FairEmail/app/src/main/java/eu/faircode/email/FragmentAnswer.java

446 lines
16 KiB
Java

package eu.faircode.email;
/*
This file is part of FairEmail.
FairEmail is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
FairEmail is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with FairEmail. If not, see <http://www.gnu.org/licenses/>.
Copyright 2018-2020 by Marcel Bokhorst (M66B)
*/
import android.app.Dialog;
import android.content.ClipboardManager;
import android.content.Context;
import android.content.Intent;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Bundle;
import android.text.Html;
import android.text.SpannableStringBuilder;
import android.text.Spanned;
import android.text.TextUtils;
import android.text.style.ImageSpan;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.TextView;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AlertDialog;
import androidx.constraintlayout.widget.Group;
import com.google.android.material.bottomnavigation.BottomNavigationView;
import com.google.android.material.snackbar.Snackbar;
import static android.app.Activity.RESULT_OK;
public class FragmentAnswer extends FragmentBase {
private ViewGroup view;
private EditText etName;
private CheckBox cbFavorite;
private CheckBox cbHide;
private EditTextCompose etText;
private BottomNavigationView style_bar;
private BottomNavigationView bottom_navigation;
private ContentLoadingProgressBar pbWait;
private Group grpReady;
private long id = -1;
private long copy = -1;
private static final int REQUEST_IMAGE = 1;
private static final int REQUEST_LINK = 2;
private final static int REQUEST_DELETE = 3;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Get arguments
Bundle args = getArguments();
if (args != null)
if (args.getBoolean("copy"))
copy = args.getLong("id", -1);
else
id = args.getLong("id", -1);
}
@Override
@Nullable
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
setSubtitle(R.string.title_answer_caption);
setHasOptionsMenu(true);
view = (ViewGroup) inflater.inflate(R.layout.fragment_answer, container, false);
// Get controls
etName = view.findViewById(R.id.etName);
cbFavorite = view.findViewById(R.id.cbFavorite);
cbHide = view.findViewById(R.id.cbHide);
etText = view.findViewById(R.id.etText);
style_bar = view.findViewById(R.id.style_bar);
bottom_navigation = view.findViewById(R.id.bottom_navigation);
pbWait = view.findViewById(R.id.pbWait);
grpReady = view.findViewById(R.id.grpReady);
etText.setSelectionListener(new EditTextCompose.ISelection() {
@Override
public void onSelected(boolean selection) {
style_bar.setVisibility(selection ? View.VISIBLE : View.GONE);
}
});
style_bar.setOnNavigationItemSelectedListener(new BottomNavigationView.OnNavigationItemSelectedListener() {
@Override
public boolean onNavigationItemSelected(@NonNull MenuItem item) {
return onActionStyle(item.getItemId());
}
});
bottom_navigation.setOnNavigationItemSelectedListener(new BottomNavigationView.OnNavigationItemSelectedListener() {
@Override
public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) {
switch (menuItem.getItemId()) {
case R.id.action_insert_image:
onInsertImage();
return true;
case R.id.action_delete:
onActionDelete();
return true;
case R.id.action_save:
onActionSave();
return true;
default:
return false;
}
}
});
// Initialize
grpReady.setVisibility(View.GONE);
style_bar.setVisibility(View.GONE);
pbWait.setVisibility(View.VISIBLE);
return view;
}
@Override
public void onActivityCreated(@Nullable final Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
Bundle args = new Bundle();
args.putLong("id", copy < 0 ? id : copy);
new SimpleTask<EntityAnswer>() {
@Override
protected EntityAnswer onExecute(Context context, Bundle args) {
long id = args.getLong("id");
return DB.getInstance(context).answer().getAnswer(id);
}
@Override
protected void onExecuted(Bundle args, EntityAnswer answer) {
if (savedInstanceState == null) {
etName.setText(answer == null ? null : answer.name);
cbFavorite.setChecked(answer == null ? false : answer.favorite);
cbHide.setChecked(answer == null ? false : answer.hide);
if (answer == null)
etText.setText(null);
else
etText.setText(HtmlHelper.fromHtml(answer.text, false, new Html.ImageGetter() {
@Override
public Drawable getDrawable(String source) {
return ImageHelper.decodeImage(getContext(), -1, source, true, 0, etText);
}
}, null, getContext()));
}
bottom_navigation.findViewById(R.id.action_delete).setVisibility(answer == null ? View.GONE : View.VISIBLE);
pbWait.setVisibility(View.GONE);
grpReady.setVisibility(View.VISIBLE);
}
@Override
protected void onException(Bundle args, Throwable ex) {
Log.unexpectedError(getParentFragmentManager(), ex);
}
}.execute(this, args, "answer:get");
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
inflater.inflate(R.menu.menu_answer, menu);
super.onCreateOptionsMenu(menu, inflater);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.menu_help:
onMenuHelp();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
private void onMenuHelp() {
new FragmentInfo().show(getParentFragmentManager(), "answer:info");
}
private void onInsertImage() {
Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
intent.addCategory(Intent.CATEGORY_OPENABLE);
intent.addFlags(Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION);
intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
intent.setType("image/*");
Helper.openAdvanced(intent);
startActivityForResult(intent, REQUEST_IMAGE);
}
private void onActionDelete() {
Bundle args = new Bundle();
args.putString("question", getString(R.string.title_ask_delete_answer));
FragmentDialogAsk fragment = new FragmentDialogAsk();
fragment.setArguments(args);
fragment.setTargetFragment(FragmentAnswer.this, REQUEST_DELETE);
fragment.show(getParentFragmentManager(), "answer:delete");
}
private void onActionSave() {
etText.clearComposingText();
Bundle args = new Bundle();
args.putLong("id", id);
args.putString("name", etName.getText().toString().trim());
args.putBoolean("favorite", cbFavorite.isChecked());
args.putBoolean("hide", cbHide.isChecked());
args.putString("text", HtmlHelper.toHtml(etText.getText(), getContext()));
new SimpleTask<Void>() {
@Override
protected void onPreExecute(Bundle args) {
Helper.setViewsEnabled(view, false);
}
@Override
protected void onPostExecute(Bundle args) {
Helper.setViewsEnabled(view, true);
}
@Override
protected Void onExecute(Context context, Bundle args) {
long id = args.getLong("id");
String name = args.getString("name");
boolean favorite = args.getBoolean("favorite");
boolean hide = args.getBoolean("hide");
String text = args.getString("text");
if (TextUtils.isEmpty(name))
throw new IllegalArgumentException(context.getString(R.string.title_no_name));
DB db = DB.getInstance(context);
if (id < 0) {
EntityAnswer answer = new EntityAnswer();
answer.name = name;
answer.favorite = favorite;
answer.hide = hide;
answer.text = text;
answer.id = db.answer().insertAnswer(answer);
} else {
EntityAnswer answer = db.answer().getAnswer(id);
answer.name = name;
answer.favorite = favorite;
answer.hide = hide;
answer.text = text;
db.answer().updateAnswer(answer);
}
return null;
}
@Override
protected void onExecuted(Bundle args, Void data) {
finish();
}
@Override
protected void onException(Bundle args, Throwable ex) {
if (ex instanceof IllegalArgumentException)
Snackbar.make(view, ex.getMessage(), Snackbar.LENGTH_LONG)
.setGestureInsetBottomIgnored(true).show();
else
Log.unexpectedError(getParentFragmentManager(), ex);
}
}.execute(this, args, "answer:save");
}
@Override
public void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
super.onActivityResult(requestCode, resultCode, data);
try {
switch (requestCode) {
case REQUEST_IMAGE:
if (resultCode == RESULT_OK && data != null)
onImageSelected(data.getData());
break;
case REQUEST_LINK:
if (resultCode == RESULT_OK && data != null)
onLinkSelected(data.getBundleExtra("args"));
break;
case REQUEST_DELETE:
if (resultCode == RESULT_OK)
onDelete();
break;
}
} catch (Throwable ex) {
Log.e(ex);
}
}
private void onImageSelected(Uri uri) {
try {
getContext().getContentResolver().takePersistableUriPermission(uri, Intent.FLAG_GRANT_READ_URI_PERMISSION);
int start = etText.getSelectionStart();
SpannableStringBuilder ssb = new SpannableStringBuilder(etText.getText());
ssb.insert(start, " \uFFFC"); // Object replacement character
String source = uri.toString();
Drawable d = ImageHelper.decodeImage(getContext(), -1, source, true, 0, etText);
ImageSpan is = new ImageSpan(d, source);
ssb.setSpan(is, start + 1, start + 2, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
etText.setText(ssb);
etText.setSelection(start + 2);
} catch (SecurityException ex) {
Snackbar sb = Snackbar.make(view, R.string.title_no_stream, Snackbar.LENGTH_INDEFINITE)
.setGestureInsetBottomIgnored(true);
sb.setAction(R.string.title_info, new View.OnClickListener() {
@Override
public void onClick(View v) {
Helper.viewFAQ(getContext(), 49);
}
});
sb.show();
} catch (Throwable ex) {
Log.unexpectedError(getParentFragmentManager(), ex);
}
}
private void onLinkSelected(Bundle args) {
String link = args.getString("link");
int start = args.getInt("start");
int end = args.getInt("end");
etText.setSelection(start, end);
StyleHelper.apply(R.id.menu_link, null, etText, link);
}
private void onDelete() {
Bundle args = new Bundle();
args.putLong("id", id);
new SimpleTask<Void>() {
@Override
protected void onPreExecute(Bundle args) {
Helper.setViewsEnabled(view, false);
}
@Override
protected void onPostExecute(Bundle args) {
Helper.setViewsEnabled(view, true);
}
@Override
protected Void onExecute(Context context, Bundle args) {
long id = args.getLong("id");
DB.getInstance(context).answer().deleteAnswer(id);
return null;
}
@Override
protected void onExecuted(Bundle args, Void data) {
finish();
}
@Override
protected void onException(Bundle args, Throwable ex) {
Log.unexpectedError(getParentFragmentManager(), ex);
}
}.execute(this, args, "answer:delete");
}
private boolean onActionStyle(int action) {
Log.i("Style action=" + action);
if (action == R.id.menu_link) {
Uri uri = null;
ClipboardManager cbm = (ClipboardManager) getContext().getSystemService(Context.CLIPBOARD_SERVICE);
if (cbm != null && cbm.hasPrimaryClip()) {
String link = cbm.getPrimaryClip().getItemAt(0).coerceToText(getContext()).toString();
uri = Uri.parse(link);
if (uri.getScheme() == null)
uri = null;
}
Bundle args = new Bundle();
args.putParcelable("uri", uri);
args.putInt("start", etText.getSelectionStart());
args.putInt("end", etText.getSelectionEnd());
FragmentDialogLink fragment = new FragmentDialogLink();
fragment.setArguments(args);
fragment.setTargetFragment(this, REQUEST_LINK);
fragment.show(getParentFragmentManager(), "answer:link");
return true;
} else
return StyleHelper.apply(action, view.findViewById(action), etText);
}
public static class FragmentInfo extends FragmentDialogBase {
@NonNull
@Override
public Dialog onCreateDialog(@Nullable Bundle savedInstanceState) {
Spanned spanned = HtmlHelper.fromHtml("<p>" +
getString(R.string.title_answer_template_name) +
"<br>" +
getString(R.string.title_answer_template_email) +
"</p>", false, getContext());
View dview = LayoutInflater.from(getContext()).inflate(R.layout.dialog_ask_again, null);
TextView tvMessage = dview.findViewById(R.id.tvMessage);
CheckBox cbNotAgain = dview.findViewById(R.id.cbNotAgain);
tvMessage.setText(spanned);
cbNotAgain.setVisibility(View.GONE);
return new AlertDialog.Builder(getContext())
.setView(dview)
.setNegativeButton(android.R.string.cancel, null)
.create();
}
}
}