org.catrobat.catroid.ui.fragment.FormulaEditorListFragment.java Source code

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Here is the source code for org.catrobat.catroid.ui.fragment.FormulaEditorListFragment.java

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/*
 * Catroid: An on-device visual programming system for Android devices
 * Copyright (C) 2010-2015 The Catrobat Team
 * (<http://developer.catrobat.org/credits>)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * An additional term exception under section 7 of the GNU Affero
 * General Public License, version 3, is available at
 * http://developer.catrobat.org/license_additional_term
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.catrobat.catroid.ui.fragment;

import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ListView;

import com.actionbarsherlock.app.SherlockFragmentActivity;
import com.actionbarsherlock.app.SherlockListFragment;
import com.actionbarsherlock.view.Menu;

import org.catrobat.catroid.R;
import org.catrobat.catroid.ui.SettingsActivity;

import java.util.Arrays;

public class FormulaEditorListFragment extends SherlockListFragment implements Dialog.OnKeyListener {

    public static final String OBJECT_TAG = "objectFragment";
    public static final String FUNCTION_TAG = "functionFragment";
    public static final String LOGIC_TAG = "logicFragment";
    public static final String SENSOR_TAG = "sensorFragment";

    public static final String ACTION_BAR_TITLE_BUNDLE_ARGUMENT = "actionBarTitle";
    public static final String FRAGMENT_TAG_BUNDLE_ARGUMENT = "fragmentTag";

    public static final String[] TAGS = { OBJECT_TAG, FUNCTION_TAG, LOGIC_TAG, SENSOR_TAG };

    private static final int[] OBJECT_ITEMS = { R.string.formula_editor_object_x, R.string.formula_editor_object_y,
            R.string.formula_editor_object_transparency, R.string.formula_editor_object_brightness,
            R.string.formula_editor_object_size, R.string.formula_editor_object_rotation,
            R.string.formula_editor_object_layer };

    private static final int[] LOGIC_ITEMS = { R.string.formula_editor_logic_equal,
            R.string.formula_editor_logic_notequal, R.string.formula_editor_logic_lesserthan,
            R.string.formula_editor_logic_leserequal, R.string.formula_editor_logic_greaterthan,
            R.string.formula_editor_logic_greaterequal, R.string.formula_editor_logic_and,
            R.string.formula_editor_logic_or, R.string.formula_editor_logic_not,
            R.string.formula_editor_function_true, R.string.formula_editor_function_false };

    private static final int[] FUNCTIONS_ITEMS = { R.string.formula_editor_function_sin,
            R.string.formula_editor_function_cos, R.string.formula_editor_function_tan,
            R.string.formula_editor_function_ln, R.string.formula_editor_function_log,
            R.string.formula_editor_function_pi, R.string.formula_editor_function_sqrt,
            R.string.formula_editor_function_rand, R.string.formula_editor_function_abs,
            R.string.formula_editor_function_round, R.string.formula_editor_function_mod,
            R.string.formula_editor_function_arcsin, R.string.formula_editor_function_arccos,
            R.string.formula_editor_function_arctan, R.string.formula_editor_function_exp,
            R.string.formula_editor_function_floor, R.string.formula_editor_function_ceil,
            R.string.formula_editor_function_max, R.string.formula_editor_function_min,
            R.string.formula_editor_function_length, R.string.formula_editor_function_number_of_items,
            R.string.formula_editor_function_letter, R.string.formula_editor_function_join,
            R.string.formula_editor_function_list_item, R.string.formula_editor_function_contains };

    private static final int[] FUNCTIONS_PARAMETERS = { R.string.formula_editor_function_sin_parameter,
            R.string.formula_editor_function_cos_parameter, R.string.formula_editor_function_tan_parameter,
            R.string.formula_editor_function_ln_parameter, R.string.formula_editor_function_log_parameter,
            R.string.formula_editor_function_pi_parameter, R.string.formula_editor_function_sqrt_parameter,
            R.string.formula_editor_function_rand_parameter, R.string.formula_editor_function_abs_parameter,
            R.string.formula_editor_function_round_parameter, R.string.formula_editor_function_mod_parameter,
            R.string.formula_editor_function_arcsin_parameter, R.string.formula_editor_function_arccos_parameter,
            R.string.formula_editor_function_arctan_parameter, R.string.formula_editor_function_exp_parameter,
            R.string.formula_editor_function_floor_parameter, R.string.formula_editor_function_ceil_parameter,
            R.string.formula_editor_function_max_parameter, R.string.formula_editor_function_min_parameter,
            R.string.formula_editor_function_length_parameter,
            R.string.formula_editor_function_number_of_items_parameter,
            R.string.formula_editor_function_letter_parameter, R.string.formula_editor_function_join_parameter,
            R.string.formula_editor_function_list_item_parameter,
            R.string.formula_editor_function_contains_parameter };

    private static final int[] DEFAULT_SENSOR_ITEMS = { R.string.formula_editor_sensor_x_acceleration,
            R.string.formula_editor_sensor_y_acceleration, R.string.formula_editor_sensor_z_acceleration,
            R.string.formula_editor_sensor_compass_direction, R.string.formula_editor_sensor_x_inclination,
            R.string.formula_editor_sensor_y_inclination, R.string.formula_editor_sensor_loudness };

    private static final int[] NXT_SENSOR_ITEMS = { R.string.formula_editor_sensor_lego_nxt_1,
            R.string.formula_editor_sensor_lego_nxt_2, R.string.formula_editor_sensor_lego_nxt_3,
            R.string.formula_editor_sensor_lego_nxt_4 };

    private static final int[] PHIRO_SENSOR_ITEMS = { R.string.formula_editor_phiro_sensor_front_left,
            R.string.formula_editor_phiro_sensor_front_right, R.string.formula_editor_phiro_sensor_side_left,
            R.string.formula_editor_phiro_sensor_side_right, R.string.formula_editor_phiro_sensor_bottom_left,
            R.string.formula_editor_phiro_sensor_bottom_right };

    private static final int[] FACE_DETECTION_SENSOR_ITEMS = { R.string.formula_editor_sensor_face_detected,
            R.string.formula_editor_sensor_face_size, R.string.formula_editor_sensor_face_x_position,
            R.string.formula_editor_sensor_face_y_position };

    private String actionBarTitle;
    private int[] itemsIds;

    @Override
    public void onListItemClick(ListView listView, View view, int position, long id) {
        FormulaEditorFragment formulaEditor = (FormulaEditorFragment) getSherlockActivity()
                .getSupportFragmentManager().findFragmentByTag(FormulaEditorFragment.FORMULA_EDITOR_FRAGMENT_TAG);
        if (formulaEditor != null) {
            formulaEditor.addResourceToActiveFormula(itemsIds[position]);
            formulaEditor.updateButtonsOnKeyboardAndInvalidateOptionsMenu();
        }
        KeyEvent keyEvent = new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_BACK);
        onKey(null, keyEvent.getKeyCode(), keyEvent);
    }

    public FormulaEditorListFragment() {
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setHasOptionsMenu(true);

        this.actionBarTitle = getArguments().getString(ACTION_BAR_TITLE_BUNDLE_ARGUMENT);
    }

    @Override
    public void onStart() {
        super.onStart();
        String tag = getArguments().getString(FRAGMENT_TAG_BUNDLE_ARGUMENT);

        itemsIds = new int[] {};

        if (tag.equals(OBJECT_TAG)) {
            itemsIds = OBJECT_ITEMS;
        } else if (tag.equals(FUNCTION_TAG)) {
            itemsIds = FUNCTIONS_ITEMS;
        } else if (tag.equals(LOGIC_TAG)) {
            itemsIds = LOGIC_ITEMS;
        } else if (tag.equals(SENSOR_TAG)) {
            itemsIds = DEFAULT_SENSOR_ITEMS;

            Context context = this.getActivity().getApplicationContext();

            if (SettingsActivity.isFaceDetectionPreferenceEnabled(context)) {
                itemsIds = concatAll(itemsIds, FACE_DETECTION_SENSOR_ITEMS);
            }

            if (SettingsActivity.isMindstormsNXTSharedPreferenceEnabled(context)) {
                itemsIds = concatAll(itemsIds, NXT_SENSOR_ITEMS);
            }

            if (SettingsActivity.isPhiroSharedPreferenceEnabled(context)) {
                itemsIds = concatAll(itemsIds, PHIRO_SENSOR_ITEMS);
            }
        }

        String[] items = new String[itemsIds.length];

        for (int index = 0; index < items.length; index++) {
            items[index] = tag.equals(FUNCTION_TAG)
                    ? getString(itemsIds[index]) + getString(FUNCTIONS_PARAMETERS[index])
                    : getString(itemsIds[index]);
        }

        ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>(getActivity(),
                R.layout.fragment_formula_editor_list_item, items);
        setListAdapter(arrayAdapter);
    }

    private static int[] concatAll(int[] first, int[]... rest) {
        int totalLength = first.length;
        for (int[] array : rest) {
            totalLength += array.length;
        }
        int[] result = Arrays.copyOf(first, totalLength);
        int offset = first.length;
        for (int[] array : rest) {
            System.arraycopy(array, 0, result, offset, array.length);
            offset += array.length;
        }
        return result;
    }

    @Override
    public void onPrepareOptionsMenu(Menu menu) {
        for (int index = 0; index < menu.size(); index++) {
            menu.getItem(index).setVisible(false);
        }

        getSherlockActivity().getSupportActionBar().setDisplayShowTitleEnabled(true);
        getSherlockActivity().getSupportActionBar().setTitle(actionBarTitle);
        getSherlockActivity().getSupportActionBar().setDisplayHomeAsUpEnabled(false);

        super.onPrepareOptionsMenu(menu);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        return inflater.inflate(R.layout.fragment_formula_editor_list, container, false);
    }

    public void showFragment(Context context) {
        SherlockFragmentActivity activity = (SherlockFragmentActivity) context;
        FragmentManager fragmentManager = activity.getSupportFragmentManager();
        FragmentTransaction fragTransaction = fragmentManager.beginTransaction();
        Fragment formulaEditorFragment = fragmentManager
                .findFragmentByTag(FormulaEditorFragment.FORMULA_EDITOR_FRAGMENT_TAG);
        fragTransaction.hide(formulaEditorFragment);

        fragTransaction.show(this);
        fragTransaction.commit();
    }

    @Override
    public boolean onKey(DialogInterface dialogInterface, int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK) {
            FragmentTransaction fragTransaction = getSherlockActivity().getSupportFragmentManager()
                    .beginTransaction();
            fragTransaction.hide(this);
            fragTransaction.show(getSherlockActivity().getSupportFragmentManager()
                    .findFragmentByTag(FormulaEditorFragment.FORMULA_EDITOR_FRAGMENT_TAG));
            fragTransaction.commit();
            return true;
        }
        return false;
    }
}