mirror of https://github.com/M66B/FairEmail.git
737 lines
31 KiB
Java
737 lines
31 KiB
Java
package eu.faircode.email;
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/*
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This file is part of FairEmail.
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FairEmail 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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FairEmail 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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You should have received a copy of the GNU General Public License
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along with FairEmail. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2018-2022 by Marcel Bokhorst (M66B)
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*/
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import android.content.ClipData;
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import android.content.ClipboardManager;
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import android.content.Context;
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import android.content.Intent;
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import android.content.SharedPreferences;
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import android.graphics.Typeface;
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import android.graphics.drawable.Drawable;
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import android.net.Uri;
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import android.os.Build;
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import android.os.Bundle;
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import android.os.Parcel;
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import android.os.Parcelable;
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import android.text.Editable;
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import android.text.SpannableStringBuilder;
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import android.text.Spanned;
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import android.text.TextUtils;
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import android.text.style.QuoteSpan;
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import android.text.style.StyleSpan;
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import android.util.AttributeSet;
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import android.view.ActionMode;
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import android.view.KeyEvent;
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import android.view.Menu;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.inputmethod.EditorInfo;
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import android.view.inputmethod.InputConnection;
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import android.view.inputmethod.InputConnectionWrapper;
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import android.widget.EditText;
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import android.widget.Toast;
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import androidx.appcompat.app.AppCompatActivity;
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import androidx.core.view.inputmethod.EditorInfoCompat;
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import androidx.core.view.inputmethod.InputConnectionCompat;
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import androidx.core.view.inputmethod.InputContentInfoCompat;
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import androidx.preference.PreferenceManager;
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import org.jsoup.nodes.Document;
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import org.jsoup.nodes.Element;
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import java.util.List;
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import javax.mail.internet.AddressException;
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import javax.mail.internet.InternetAddress;
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public class EditTextCompose extends FixedEditText {
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private boolean raw = false;
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private ISelection selectionListener = null;
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private IInputContentListener inputContentListener = null;
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private Boolean canUndo = null;
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private Boolean canRedo = null;
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private List<EntityAnswer> snippets;
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private int colorPrimary;
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private int colorBlockquote;
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private int quoteGap;
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private int quoteStripe;
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public EditTextCompose(Context context) {
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super(context);
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init(context);
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}
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public EditTextCompose(Context context, AttributeSet attrs) {
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super(context, attrs);
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init(context);
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}
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public EditTextCompose(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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init(context);
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}
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void init(Context context) {
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Helper.setKeyboardIncognitoMode(this, context);
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colorPrimary = Helper.resolveColor(context, R.attr.colorPrimary);
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colorBlockquote = Helper.resolveColor(context, R.attr.colorBlockquote, colorPrimary);
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quoteGap = context.getResources().getDimensionPixelSize(R.dimen.quote_gap_size);
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quoteStripe = context.getResources().getDimensionPixelSize(R.dimen.quote_stripe_width);
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SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
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boolean undo_manager = prefs.getBoolean("undo_manager", false);
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
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setCustomSelectionActionModeCallback(new ActionMode.Callback() {
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@Override
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public boolean onCreateActionMode(ActionMode mode, Menu menu) {
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try {
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int order = 1000;
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menu.add(Menu.CATEGORY_SECONDARY, R.string.title_insert_brackets,
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order++, context.getString(R.string.title_insert_brackets));
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menu.add(Menu.CATEGORY_SECONDARY, R.string.title_insert_quotes,
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order++, context.getString(R.string.title_insert_quotes));
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menu.add(Menu.CATEGORY_SECONDARY, R.string.title_lt_add,
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order++, context.getString(R.string.title_lt_add));
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menu.add(Menu.CATEGORY_SECONDARY, R.string.title_lt_delete,
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order++, context.getString(R.string.title_lt_delete));
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} catch (Throwable ex) {
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Log.e(ex);
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}
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return true;
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}
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@Override
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public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
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int start = getSelectionStart();
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int end = getSelectionEnd();
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boolean selection = (start >= 0 && start < end);
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Context context = getContext();
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Editable edit = getText();
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boolean dictionary = (selection &&
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context instanceof AppCompatActivity &&
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LanguageTool.isPremium(context) &&
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edit != null &&
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edit.subSequence(start, end).toString().indexOf(' ') < 0);
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menu.findItem(R.string.title_insert_brackets).setVisible(selection);
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menu.findItem(R.string.title_insert_quotes).setVisible(selection);
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menu.findItem(R.string.title_lt_add).setVisible(dictionary);
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menu.findItem(R.string.title_lt_delete).setVisible(dictionary);
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return false;
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}
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@Override
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public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
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if (item.getGroupId() == Menu.CATEGORY_SECONDARY) {
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int id = item.getItemId();
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if (id == R.string.title_insert_brackets)
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return surround("(", ")");
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else if (id == R.string.title_insert_quotes)
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return surround("\"", "\"");
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else if (id == R.string.title_lt_add)
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return modifyDictionary(true);
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else if (id == R.string.title_lt_delete)
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return modifyDictionary(false);
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}
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return false;
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}
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@Override
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public void onDestroyActionMode(ActionMode mode) {
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// Do nothing
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}
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private boolean surround(String before, String after) {
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Editable edit = getText();
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int start = getSelectionStart();
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int end = getSelectionEnd();
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boolean selection = (edit != null && start >= 0 && start < end);
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if (selection) {
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int s = start - before.length();
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int e = end + after.length();
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if (s >= 0 && e < length() &&
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edit.subSequence(s, start).toString().equals(before) &&
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edit.subSequence(end, e).toString().equals(after)) {
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edit.delete(end, e);
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edit.delete(s, start);
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} else {
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edit.insert(end, after);
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edit.insert(start, before);
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}
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}
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return selection;
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}
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private boolean modifyDictionary(boolean add) {
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int start = getSelectionStart();
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int end = getSelectionEnd();
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if (start < 0 || start >= end)
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return false;
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final Context context = getContext();
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if (!(context instanceof AppCompatActivity))
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return false;
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AppCompatActivity activity = (AppCompatActivity) getContext();
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Editable edit = getText();
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if (edit == null)
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return false;
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String word = edit.subSequence(start, end).toString();
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Bundle args = new Bundle();
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args.putString("word", word);
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args.putBoolean("add", add);
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new SimpleTask<Void>() {
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@Override
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protected Void onExecute(Context context, Bundle args) throws Throwable {
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String word = args.getString("word");
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boolean add = args.getBoolean("add");
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LanguageTool.modifyDictionary(context, word, null, add);
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return null;
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}
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@Override
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protected void onExecuted(Bundle args, Void data) {
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setSelection(end);
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}
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@Override
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protected void onException(Bundle args, Throwable ex) {
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ToastEx.makeText(getContext(), ex.toString(), Toast.LENGTH_LONG).show();
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}
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}.execute(activity, args, "dictionary:modify");
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return true;
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}
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});
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setCustomInsertionActionModeCallback(new ActionMode.Callback() {
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@Override
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public boolean onCreateActionMode(ActionMode mode, Menu menu) {
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try {
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int order = 1000;
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if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O)
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menu.add(Menu.CATEGORY_SECONDARY, android.R.id.pasteAsPlainText, order++, getTitle(R.string.title_paste_plain));
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if (undo_manager && can(android.R.id.undo))
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menu.add(Menu.CATEGORY_SECONDARY, R.string.title_undo, order++, getTitle(R.string.title_undo));
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if (undo_manager && can(android.R.id.redo))
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menu.add(Menu.CATEGORY_SECONDARY, R.string.title_redo, order++, getTitle(R.string.title_redo));
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menu.add(Menu.CATEGORY_SECONDARY, R.string.title_insert_line, order++, context.getString(R.string.title_insert_line));
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if (snippets != null)
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for (EntityAnswer snippet : snippets) {
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menu.add(Menu.CATEGORY_SECONDARY, order, order, snippet.name).
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setIntent(new Intent().putExtra("id", snippet.id));
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order++;
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}
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} catch (Throwable ex) {
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Log.e(ex);
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}
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return true;
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}
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private CharSequence getTitle(int resid) {
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SpannableStringBuilder ssb = new SpannableStringBuilderEx(context.getString(resid));
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ssb.setSpan(new StyleSpan(Typeface.ITALIC), 0, ssb.length(), 0);
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return ssb;
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}
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@Override
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public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
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return false;
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}
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@Override
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public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
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if (item.getGroupId() == Menu.CATEGORY_SECONDARY) {
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int id = item.getItemId();
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if (id == android.R.id.pasteAsPlainText)
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return insertPlain();
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else if (id == R.string.title_undo)
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return EditTextCompose.super.onTextContextMenuItem(android.R.id.undo);
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else if (id == R.string.title_redo)
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return EditTextCompose.super.onTextContextMenuItem(android.R.id.redo);
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else if (id == R.string.title_insert_line)
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return insertLine();
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else {
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Intent intent = item.getIntent();
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if (intent == null)
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return false;
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return insertSnippet(intent.getLongExtra("id", -1L));
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}
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}
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return false;
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}
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@Override
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public void onDestroyActionMode(ActionMode mode) {
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// Do nothing
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}
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private boolean insertPlain() {
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ClipboardManager cbm = Helper.getSystemService(context, ClipboardManager.class);
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if (!cbm.hasPrimaryClip())
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return true;
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ClipData clip = cbm.getPrimaryClip();
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if (clip == null || clip.getItemCount() < 1)
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return true;
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ClipData.Item item = clip.getItemAt(0);
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if (item == null)
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return true;
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CharSequence text = item.getText();
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if (TextUtils.isEmpty(text))
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return true;
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int start = getSelectionStart();
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if (start < 0)
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start = 0;
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getText().insert(start, text.toString());
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return true;
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}
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private boolean insertLine() {
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try {
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int start = getSelectionStart();
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if (start < 0)
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return false;
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Editable edit = getText();
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if (edit == null)
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return false;
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if (start == 0 || edit.charAt(start - 1) != '\n')
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edit.insert(start++, "\n");
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if (start == edit.length() || edit.charAt(start) != '\n')
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edit.insert(start, "\n");
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edit.insert(start, "\uFFFC"); // Object replacement character
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int colorSeparator = Helper.resolveColor(getContext(), R.attr.colorSeparator);
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float stroke = context.getResources().getDisplayMetrics().density;
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edit.setSpan(
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new LineSpan(colorSeparator, stroke, 0f),
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start, start + 1,
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Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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setSelection(start + 2);
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return true;
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} catch (Throwable ex) {
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Log.e(ex);
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ToastEx.makeText(context, Log.formatThrowable(ex), Toast.LENGTH_LONG).show();
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return false;
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}
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}
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private boolean insertSnippet(long id) {
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if (snippets == null)
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return false;
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InternetAddress[] to = null;
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try {
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View root = getRootView();
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EditText etTo = (root == null ? null : root.findViewById(R.id.etTo));
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if (etTo != null)
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to = MessageHelper.parseAddresses(getContext(), etTo.getText().toString());
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} catch (AddressException ignored) {
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}
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for (EntityAnswer snippet : snippets)
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if (snippet.id.equals(id)) {
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String html = snippet.getHtml(context, to);
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Helper.getParallelExecutor().submit(new Runnable() {
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@Override
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public void run() {
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try {
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SpannableStringBuilder ssb = getSpanned(context, html);
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int len = ssb.length();
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if (len > 0 && ssb.charAt(len - 1) == '\n')
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ssb.replace(len - 1, len, " ");
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EditTextCompose.this.post(new Runnable() {
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@Override
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public void run() {
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try {
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int start = getSelectionStart();
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if (start < 0)
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start = 0;
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Editable edit = getText();
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if (start > 0) {
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char kar = edit.charAt(start - 1);
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if (!(kar == '\n' || kar == ' '))
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edit.insert(start++, " ");
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}
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edit.insert(start, ssb);
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setSelection(start + ssb.length());
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} catch (Throwable ex) {
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Log.e(ex);
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}
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}
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});
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} catch (Throwable ex) {
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Log.e(ex);
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}
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}
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});
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return true;
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}
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return false;
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}
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});
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DB db = DB.getInstance(context);
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Helper.getParallelExecutor().submit(new Runnable() {
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@Override
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public void run() {
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try {
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snippets = db.answer().getSnippets();
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} catch (Throwable ex) {
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Log.e(ex);
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}
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}
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});
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}
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}
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private boolean can(int what) {
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canUndo = null;
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canRedo = null;
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try {
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int meta = KeyEvent.META_CTRL_ON;
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if (what == android.R.id.redo)
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meta = meta | KeyEvent.META_SHIFT_ON;
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KeyEvent ke = new KeyEvent(0, 0, 0, 0, 0, meta);
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onKeyShortcut(KeyEvent.KEYCODE_Z, ke);
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} catch (Throwable ex) {
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Log.e(ex);
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}
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return Boolean.TRUE.equals(what == android.R.id.redo ? canRedo : canUndo);
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}
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@Override
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public Parcelable onSaveInstanceState() {
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Parcelable superState = super.onSaveInstanceState();
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return new SavedState(superState, this.raw);
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}
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@Override
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public void onRestoreInstanceState(Parcelable state) {
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SavedState savedState = (SavedState) state;
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super.onRestoreInstanceState(savedState.getSuperState());
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setRaw(savedState.getRaw());
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}
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@Override
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protected void onAttachedToWindow() {
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// Spellchecker workaround
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boolean enabled = isEnabled();
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super.setEnabled(true);
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super.onAttachedToWindow();
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super.setEnabled(enabled);
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}
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public void setRaw(boolean raw) {
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this.raw = raw;
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}
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public boolean isRaw() {
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return raw;
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}
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@Override
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protected void onSelectionChanged(int selStart, int selEnd) {
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super.onSelectionChanged(selStart, selEnd);
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if (selectionListener != null)
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selectionListener.onSelected(hasSelection());
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}
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@Override
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public boolean onTextContextMenuItem(int id) {
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try {
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if (id == android.R.id.copy) {
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int start = getSelectionStart();
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int end = getSelectionEnd();
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if (start > end) {
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int s = start;
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start = end;
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end = s;
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}
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Context context = getContext();
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ClipboardManager cbm = Helper.getSystemService(context, ClipboardManager.class);
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if (start != end && cbm != null) {
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CharSequence selected = getEditableText().subSequence(start, end);
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if (selected instanceof Spanned) {
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String html = HtmlHelper.toHtml((Spanned) selected, context);
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cbm.setPrimaryClip(ClipData.newHtmlText(context.getString(R.string.app_name), selected, html));
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setSelection(end);
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return true;
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}
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}
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} else if (id == android.R.id.paste) {
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final Context context = getContext();
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ClipboardManager cbm = Helper.getSystemService(context, ClipboardManager.class);
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if (cbm == null || !cbm.hasPrimaryClip())
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return false;
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ClipData.Item item = cbm.getPrimaryClip().getItemAt(0);
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final String html;
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String h = item.getHtmlText();
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if (h == null) {
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CharSequence text = item.getText();
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if (text == null)
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return false;
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html = "<div>" + HtmlHelper.formatPlainText(text.toString(), false) + "</div>";
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} else
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html = h;
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Helper.getParallelExecutor().submit(new Runnable() {
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@Override
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public void run() {
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try {
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SpannableStringBuilder ssb = (raw)
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? new SpannableStringBuilderEx(html)
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: getSpanned(context, html);
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EditTextCompose.this.post(new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
try {
|
|
int start = getSelectionStart();
|
|
int end = getSelectionEnd();
|
|
|
|
if (start < 0)
|
|
start = 0;
|
|
if (end < 0)
|
|
end = 0;
|
|
|
|
if (start > end) {
|
|
int tmp = start;
|
|
start = end;
|
|
end = tmp;
|
|
}
|
|
|
|
if (start == end)
|
|
getText().insert(start, ssb);
|
|
else
|
|
getText().replace(start, end, ssb);
|
|
} catch (Throwable ex) {
|
|
Log.e(ex);
|
|
/*
|
|
java.lang.RuntimeException: PARAGRAPH span must start at paragraph boundary
|
|
at android.text.SpannableStringBuilder.setSpan(SpannableStringBuilder.java:619)
|
|
at android.text.SpannableStringBuilder.change(SpannableStringBuilder.java:391)
|
|
at android.text.SpannableStringBuilder.replace(SpannableStringBuilder.java:496)
|
|
at android.text.SpannableStringBuilder.replace(SpannableStringBuilder.java:454)
|
|
at android.text.SpannableStringBuilder.replace(SpannableStringBuilder.java:33)
|
|
at android.widget.TextView.paste(TextView.java:8891)
|
|
at android.widget.TextView.onTextContextMenuItem(TextView.java:8706)
|
|
*/
|
|
}
|
|
}
|
|
});
|
|
} catch (Throwable ex) {
|
|
Log.e(ex);
|
|
}
|
|
}
|
|
});
|
|
|
|
return true;
|
|
} else if (id == android.R.id.undo) {
|
|
canUndo = true;
|
|
return true;
|
|
} else if (id == android.R.id.redo) {
|
|
canRedo = true;
|
|
return true;
|
|
}
|
|
|
|
return super.onTextContextMenuItem(id);
|
|
} catch (Throwable ex) {
|
|
Log.e(ex);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
private SpannableStringBuilder getSpanned(Context context, String html) {
|
|
Document document = HtmlHelper.sanitizeCompose(context, html, false);
|
|
Spanned paste = HtmlHelper.fromDocument(context, document, new HtmlHelper.ImageGetterEx() {
|
|
@Override
|
|
public Drawable getDrawable(Element element) {
|
|
return ImageHelper.decodeImage(context,
|
|
-1, element, true, 0, 1.0f, EditTextCompose.this);
|
|
}
|
|
}, null);
|
|
|
|
SpannableStringBuilder ssb = new SpannableStringBuilderEx(paste);
|
|
QuoteSpan[] spans = ssb.getSpans(0, ssb.length(), QuoteSpan.class);
|
|
for (QuoteSpan span : spans) {
|
|
QuoteSpan q;
|
|
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.P)
|
|
q = new QuoteSpan(colorBlockquote);
|
|
else
|
|
q = new QuoteSpan(colorBlockquote, quoteStripe, quoteGap);
|
|
ssb.setSpan(q,
|
|
ssb.getSpanStart(span),
|
|
ssb.getSpanEnd(span),
|
|
ssb.getSpanFlags(span));
|
|
ssb.removeSpan(span);
|
|
}
|
|
|
|
return ssb;
|
|
}
|
|
|
|
@Override
|
|
public InputConnection onCreateInputConnection(EditorInfo editorInfo) {
|
|
//https://developer.android.com/guide/topics/text/image-keyboard
|
|
InputConnection ic = super.onCreateInputConnection(editorInfo);
|
|
if (ic == null)
|
|
return null;
|
|
|
|
ic = new InputConnectionWrapper(ic, false) {
|
|
@Override
|
|
public boolean deleteSurroundingText(int beforeLength, int afterLength) {
|
|
try {
|
|
return super.deleteSurroundingText(beforeLength, afterLength);
|
|
} catch (Throwable ex) {
|
|
Log.w(ex);
|
|
return true;
|
|
/*
|
|
java.lang.IndexOutOfBoundsException: replace (107 ... -2147483542) has end before start
|
|
at android.text.SpannableStringBuilder.checkRange(SpannableStringBuilder.java:1318)
|
|
at android.text.SpannableStringBuilder.replace(SpannableStringBuilder.java:513)
|
|
at androidx.emoji2.text.SpannableBuilder.replace(SourceFile:7)
|
|
at android.text.SpannableStringBuilder.delete(SpannableStringBuilder.java:230)
|
|
at androidx.emoji2.text.SpannableBuilder.delete(SourceFile:2)
|
|
at androidx.emoji2.text.SpannableBuilder.delete(SourceFile:1)
|
|
at android.view.inputmethod.BaseInputConnection.deleteSurroundingText(BaseInputConnection.java:276)
|
|
at android.view.inputmethod.InputConnectionWrapper.deleteSurroundingText(InputConnectionWrapper.java:133)
|
|
at androidx.emoji2.viewsintegration.EmojiInputConnection.deleteSurroundingText(SourceFile:17)
|
|
at android.view.inputmethod.InputConnectionWrapper.deleteSurroundingText(InputConnectionWrapper.java:133)
|
|
*/
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public boolean deleteSurroundingTextInCodePoints(int beforeLength, int afterLength) {
|
|
try {
|
|
return super.deleteSurroundingTextInCodePoints(beforeLength, afterLength);
|
|
} catch (Throwable ex) {
|
|
Log.w(ex);
|
|
return true;
|
|
}
|
|
}
|
|
};
|
|
|
|
EditorInfoCompat.setContentMimeTypes(editorInfo, new String[]{"image/*"});
|
|
|
|
return InputConnectionCompat.createWrapper(ic, editorInfo, new InputConnectionCompat.OnCommitContentListener() {
|
|
@Override
|
|
public boolean onCommitContent(InputContentInfoCompat info, int flags, Bundle opts) {
|
|
Log.i("Uri=" + info.getContentUri());
|
|
try {
|
|
if (inputContentListener == null)
|
|
throw new IllegalArgumentException("InputContent listener not set");
|
|
|
|
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N_MR1 &&
|
|
(flags & InputConnectionCompat.INPUT_CONTENT_GRANT_READ_URI_PERMISSION) != 0)
|
|
info.requestPermission();
|
|
|
|
inputContentListener.onInputContent(info.getContentUri());
|
|
return true;
|
|
} catch (Throwable ex) {
|
|
Log.w(ex);
|
|
return false;
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
void setInputContentListener(IInputContentListener listener) {
|
|
this.inputContentListener = listener;
|
|
}
|
|
|
|
interface IInputContentListener {
|
|
void onInputContent(Uri uri);
|
|
}
|
|
|
|
void setSelectionListener(ISelection listener) {
|
|
this.selectionListener = listener;
|
|
}
|
|
|
|
interface ISelection {
|
|
void onSelected(boolean selection);
|
|
}
|
|
|
|
static class SavedState extends View.BaseSavedState {
|
|
private boolean raw;
|
|
|
|
private SavedState(Parcelable superState, boolean raw) {
|
|
super(superState);
|
|
this.raw = raw;
|
|
}
|
|
|
|
private SavedState(Parcel in) {
|
|
super(in);
|
|
raw = (in.readInt() != 0);
|
|
}
|
|
|
|
public boolean getRaw() {
|
|
return this.raw;
|
|
}
|
|
|
|
@Override
|
|
public void writeToParcel(Parcel destination, int flags) {
|
|
super.writeToParcel(destination, flags);
|
|
destination.writeInt(raw ? 1 : 0);
|
|
}
|
|
|
|
public static final Parcelable.Creator<SavedState> CREATOR = new Creator<SavedState>() {
|
|
public SavedState createFromParcel(Parcel in) {
|
|
return new SavedState(in);
|
|
}
|
|
|
|
public SavedState[] newArray(int size) {
|
|
return new SavedState[size];
|
|
}
|
|
};
|
|
}
|
|
}
|