Fragment moved and renamed
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serso
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/*
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* Copyright 2013 serso aka se.solovyev
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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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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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* Contact details
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*
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* Email: se.solovyev@gmail.com
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* Site: http://se.solovyev.org
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*/
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package org.solovyev.android.calculator.variables;
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import android.annotation.TargetApi;
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import android.os.Build;
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import android.os.Bundle;
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import android.support.v4.app.DialogFragment;
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import android.support.v4.app.FragmentManager;
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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.*;
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import jscl.math.function.IConstant;
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import org.solovyev.android.Views;
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import org.solovyev.android.calculator.*;
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import org.solovyev.android.calculator.math.edit.MathEntityRemover;
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import org.solovyev.android.calculator.math.edit.VarEditorSaver;
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import org.solovyev.common.text.Strings;
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import javax.annotation.Nonnull;
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import javax.annotation.Nullable;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Locale;
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import static android.graphics.Paint.UNDERLINE_TEXT_FLAG;
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import static android.view.View.GONE;
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import static android.view.View.VISIBLE;
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import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
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import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT;
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import static android.view.WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE;
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import static android.widget.LinearLayout.HORIZONTAL;
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public class EditVariableFragment extends DialogFragment implements CalculatorEventListener {
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private final static String greekAlphabet = "αβγδεζηθικλμνξοπρστυφχψω";
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private final static List<Character> acceptableChars = Arrays.asList(Strings.toObjects(("1234567890abcdefghijklmnopqrstuvwxyzйцукенгшщзхъфывапролджэячсмитьбюё_" + greekAlphabet).toCharArray()));
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private Input input;
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public EditVariableFragment() {
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input = Input.newInstance();
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}
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@Nonnull
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public static EditVariableFragment create(@Nonnull Input input) {
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final EditVariableFragment fragment = new EditVariableFragment();
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fragment.input = input;
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return fragment;
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}
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public static void showDialog(@Nonnull Input input, @Nonnull FragmentManager fm) {
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App.showDialog(create(input), "constant-editor", fm);
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}
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
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return inflater.inflate(R.layout.var_edit, container, false);
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}
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@Override
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public void onResume() {
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super.onResume();
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Locator.getInstance().getCalculator().addCalculatorEventListener(this);
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}
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@Override
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public void onPause() {
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Locator.getInstance().getCalculator().removeCalculatorEventListener(this);
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super.onPause();
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}
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@Override
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public void onViewCreated(@Nonnull View root, Bundle savedInstanceState) {
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super.onViewCreated(root, savedInstanceState);
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final String errorMsg = this.getString(R.string.c_char_is_not_accepted);
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final EditText editName = (EditText) root.findViewById(R.id.var_edit_name);
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editName.setText(input.getName());
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editName.addTextChangedListener(new TextWatcher() {
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@Override
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public void beforeTextChanged(CharSequence s, int start, int count, int after) {
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}
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@Override
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public void onTextChanged(CharSequence s, int start, int before, int count) {
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}
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@Override
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public void afterTextChanged(Editable s) {
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for (int i = 0; i < s.length(); i++) {
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char c = s.charAt(i);
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if (!acceptableChars.contains(Character.toLowerCase(c))) {
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s.delete(i, i + 1);
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Toast.makeText(getActivity(), String.format(errorMsg, c), Toast.LENGTH_SHORT).show();
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}
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}
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}
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});
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fillGreekKeyboard(root, editName);
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// show soft keyboard automatically
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editName.requestFocus();
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getDialog().getWindow().setSoftInputMode(SOFT_INPUT_STATE_VISIBLE);
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final EditText editValue = (EditText) root.findViewById(R.id.var_edit_value);
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editValue.setText(input.getValue());
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final EditText editDescription = (EditText) root.findViewById(R.id.var_edit_description);
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editDescription.setText(input.getDescription());
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final OldVar.Builder varBuilder;
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final IConstant constant = input.getConstant();
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if (constant != null) {
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varBuilder = new OldVar.Builder(constant);
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} else {
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varBuilder = new OldVar.Builder();
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}
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root.findViewById(R.id.cancel_button).setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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dismiss();
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}
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});
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root.findViewById(R.id.save_button).setOnClickListener(new VarEditorSaver<IConstant>(varBuilder, constant, root, Locator.getInstance().getEngine().getVariablesRegistry(), this));
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if (constant == null) {
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// CREATE MODE
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getDialog().setTitle(R.string.c_var_create_var);
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root.findViewById(R.id.remove_button).setVisibility(View.GONE);
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} else {
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// EDIT MODE
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getDialog().setTitle(R.string.c_var_edit_var);
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root.findViewById(R.id.remove_button).setOnClickListener(MathEntityRemover.newConstantRemover(constant, null, getActivity(), EditVariableFragment.this));
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}
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}
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private void fillGreekKeyboard(View root, final EditText editName) {
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final TextView greekKeyboardToggle = (TextView) root.findViewById(R.id.var_toggle_greek_keyboard);
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final ViewGroup greekKeyboard = (ViewGroup) root.findViewById(R.id.var_greek_keyboard);
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greekKeyboardToggle.setPaintFlags(greekKeyboardToggle.getPaintFlags() | UNDERLINE_TEXT_FLAG);
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greekKeyboardToggle.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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if (greekKeyboard.getVisibility() == VISIBLE) {
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greekKeyboard.setVisibility(GONE);
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greekKeyboardToggle.setText(R.string.cpp_var_show_greek_keyboard);
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} else {
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greekKeyboard.setVisibility(VISIBLE);
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greekKeyboardToggle.setText(R.string.cpp_var_hide_greek_keyboard);
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}
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}
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});
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LinearLayout keyboardRow = null;
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final View.OnClickListener buttonOnClickListener = new View.OnClickListener() {
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@Override
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public void onClick(View view) {
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if (!(view instanceof Button)) throw new AssertionError();
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editName.append(((Button) view).getText());
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}
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};
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for (int i = 0; i < greekAlphabet.length(); i++) {
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if (i % 5 == 0) {
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keyboardRow = new LinearLayout(getActivity());
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keyboardRow.setOrientation(HORIZONTAL);
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greekKeyboard.addView(keyboardRow, new ViewGroup.LayoutParams(MATCH_PARENT, WRAP_CONTENT));
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}
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final Button button = new Button(getActivity());
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button.setText(String.valueOf(greekAlphabet.charAt(i)));
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
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fixCapitalization(button);
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}
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button.setOnClickListener(buttonOnClickListener);
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assert keyboardRow != null;
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keyboardRow.addView(button, new LinearLayout.LayoutParams(0, WRAP_CONTENT, 1F));
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}
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final Button button = new Button(getActivity());
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button.setText("↑");
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button.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View view) {
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final boolean upperCase = button.getText().equals("↑");
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Views.processViewsOfType(greekKeyboard, Button.class, new Views.ViewProcessor<Button>() {
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@Override
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public void process(@Nonnull Button key) {
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final String letter = key.getText().toString();
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if (upperCase) {
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key.setText(letter.toUpperCase(Locale.US));
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} else {
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key.setText(letter.toLowerCase(Locale.US));
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}
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}
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});
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if (upperCase) {
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button.setText("↓");
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} else {
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button.setText("↑");
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}
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}
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});
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keyboardRow.addView(button, new LinearLayout.LayoutParams(0, WRAP_CONTENT, 1F));
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}
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@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
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private void fixCapitalization(Button button) {
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button.setAllCaps(false);
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}
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/*
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**********************************************************************
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*
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* STATIC
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*
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**********************************************************************
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*/
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@Override
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public void onCalculatorEvent(@Nonnull CalculatorEventData calculatorEventData, @Nonnull CalculatorEventType calculatorEventType, @Nullable Object data) {
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switch (calculatorEventType) {
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case constant_removed:
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case constant_added:
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case constant_changed:
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if (calculatorEventData.getSource() == this) {
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dismiss();
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}
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break;
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}
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}
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public static class Input {
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@Nullable
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private IConstant constant;
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@Nullable
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private String name;
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@Nullable
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private String value;
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@Nullable
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private String description;
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private Input() {
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}
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@Nonnull
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public static Input newInstance() {
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return new Input();
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}
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@Nonnull
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public static Input newFromConstant(@Nonnull IConstant constant) {
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final Input result = new Input();
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result.constant = constant;
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return result;
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}
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@Nonnull
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public static Input newFromValue(@Nullable String value) {
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final Input result = new Input();
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result.value = value;
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return result;
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}
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@Nonnull
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public static Input newInstance(@Nullable IConstant constant, @Nullable String name, @Nullable String value, @Nullable String description) {
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final Input result = new Input();
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result.constant = constant;
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result.name = name;
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result.value = value;
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result.description = description;
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return result;
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}
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@Nullable
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public IConstant getConstant() {
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return constant;
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}
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@Nullable
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public String getName() {
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return name == null ? (constant == null ? null : constant.getName()) : name;
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}
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@Nullable
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public String getValue() {
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return value == null ? (constant == null ? null : constant.getValue()) : value;
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}
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@Nullable
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public String getDescription() {
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return description == null ? (constant == null ? null : constant.getDescription()) : description;
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}
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}
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}
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