com.app.blockydemo.ui.fragment.FormulaEditorScriptListFragment.java Source code

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Here is the source code for com.app.blockydemo.ui.fragment.FormulaEditorScriptListFragment.java

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/**
 *  Catroid: An on-device visual programming system for Android devices
 *  Copyright (C) 2010-2013 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 com.app.blockydemo.ui.fragment;

import java.util.ArrayList;
import java.util.List;

import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.support.v4.app.ListFragment;
import android.util.Log;
import android.view.ActionMode;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemLongClickListener;
import android.widget.ImageButton;
import android.widget.ListView;
import android.widget.Spinner;

import com.app.blockydemo.ProjectManager;
import com.app.blockydemo.R;
import com.app.blockydemo.content.Project;
import com.app.blockydemo.content.Script;
import com.app.blockydemo.content.Sprite;
import com.app.blockydemo.ui.BottomBar;
import com.app.blockydemo.ui.ScriptActivity;
import com.app.blockydemo.ui.adapter.ScriptAdapter;
import com.app.blockydemo.ui.adapter.ScriptAdapter;
import com.app.blockydemo.ui.dialogs.NewVariableDialog;
import com.app.blockydemo.ui.dialogs.NewVariableDialog.NewVariableDialogListener;
import com.app.blockydemo.utils.Utils;

public class FormulaEditorScriptListFragment extends ListFragment implements Dialog.OnKeyListener,
        ScriptAdapter.OnCheckedChangeListener, ScriptAdapter.OnListItemClickListener {

    public static final String SCRIPT_TAG = "scriptFragment";
    public static final String EDIT_TEXT_BUNDLE_ARGUMENT = "formulaEditorEditText";
    public static final String ACTION_BAR_TITLE_BUNDLE_ARGUMENT = "actionBarTitle";
    public static final String FRAGMENT_TAG_BUNDLE_ARGUMENT = "fragmentTag";

    private String actionBarTitle;
    private ActionMode contextActionMode;
    private View selectAllActionModeButton;
    private boolean inContextMode;
    private int deleteIndex;
    private ScriptAdapter adapter;

    public FormulaEditorScriptListFragment() {
        contextActionMode = null;
        deleteIndex = -1;
        inContextMode = false;
    }

    @Override
    public void onResume() {
        super.onResume();
        Log.d("CatroidFragmentTag", "FormulaEditorVariableList onresume()");

    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setHasOptionsMenu(true);
        initializeScriptAdapter();
        getActivity().findViewById(R.id.bottom_bar).setVisibility(View.GONE);
        this.actionBarTitle = getArguments().getString(ACTION_BAR_TITLE_BUNDLE_ARGUMENT);
    }

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

    @Override
    public void onListItemClick(int position) {
        Log.d("catroid", "onListItemClick");
        if (!inContextMode) {
            FormulaEditorFragment formulaEditor = (FormulaEditorFragment) getActivity().getSupportFragmentManager()
                    .findFragmentByTag(FormulaEditorFragment.FORMULA_EDITOR_FRAGMENT_TAG);
            if (formulaEditor != null) {
                formulaEditor.addUserVariableToActiveFormula(adapter.getItem(position).getName());
                formulaEditor.updateButtonViewOnKeyboard();
            }
            KeyEvent keyEvent = new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_BACK);
            onKey(null, keyEvent.getKeyCode(), keyEvent);
        }

    }

    @Override
    public void onCheckedChange() {
        if (!inContextMode) {
            return;
        }

        updateActionModeTitle();
        Utils.setSelectAllActionModeButtonVisibility(selectAllActionModeButton,
                adapter.getCount() > 0 && adapter.getAmountOfCheckedItems() != adapter.getCount());
    }

    private void updateActionModeTitle() {
        String title = adapter.getAmountOfCheckedItems() + " " + getActivity().getResources().getQuantityString(
                R.plurals.formula_editor_variable_context_action_item_selected, adapter.getAmountOfCheckedItems());

        contextActionMode.setTitle(title);
    }

    @Override
    public void onStart() {

        this.registerForContextMenu(getListView());
        getListView().setItemsCanFocus(true);
        getListView().setLongClickable(true);
        getListView().setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
        getListView().setOnItemLongClickListener(new OnItemLongClickListener() {
            @Override
            public boolean onItemLongClick(AdapterView<?> arg0, View view, int position, long id) {
                if (!inContextMode) {
                    deleteIndex = position;
                    getActivity().openContextMenu(getListView());
                    return true;
                }
                return false;
            }
        });

        adapter.notifyDataSetChanged();

        super.onStart();
    }

    public void showFragment(Context context) {
        FragmentActivity activity = (FragmentActivity) context;
        FragmentManager fragmentManager = activity.getSupportFragmentManager();
        FragmentTransaction fragTransaction = fragmentManager.beginTransaction();

        Fragment formulaEditorFragment = fragmentManager
                .findFragmentByTag(FormulaEditorFragment.FORMULA_EDITOR_FRAGMENT_TAG);
        fragTransaction.hide(formulaEditorFragment);

        BottomBar.showBottomBar(activity);
        BottomBar.hidePlayButton(activity);

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

        if (adapter != null) {
            initializeScriptAdapter();
        }
    }

    private void initializeScriptAdapter() {
        Sprite currentSprite = ProjectManager.getInstance().getCurrentSprite();
        adapter = new ScriptAdapter(getActivity(), currentSprite.getScriptList());
        setListAdapter(adapter);
        adapter.setOnCheckedChangeListener(this);
        adapter.setOnListItemClickListener(this);
    }

    @Override
    public boolean onKey(DialogInterface d, int keyCode, KeyEvent event) {
        switch (keyCode) {
        case KeyEvent.KEYCODE_BACK:
            getActivity().findViewById(R.id.bottom_bar).setVisibility(View.GONE);
            ((ScriptActivity) getActivity()).updateHandleAddButtonClickListener();

            FragmentTransaction fragmentTransaction = getActivity().getSupportFragmentManager().beginTransaction();
            fragmentTransaction.hide(this);
            FormulaEditorFragment formulaEditorFragment = (FormulaEditorFragment) getActivity()
                    .getSupportFragmentManager()
                    .findFragmentByTag(FormulaEditorFragment.FORMULA_EDITOR_FRAGMENT_TAG);
            formulaEditorFragment.updateBrickView();
            fragmentTransaction.show(formulaEditorFragment);
            fragmentTransaction.commit();
            return true;
        default:
            break;
        }
        return false;
    }

    private void addSelectAllActionModeButton(ActionMode mode, Menu menu) {
        selectAllActionModeButton = Utils.addSelectAllActionModeButton(getLayoutInflater(null), mode, menu);
        selectAllActionModeButton.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View view) {
                for (int position = 0; position < adapter.getCount(); position++) {
                    adapter.addCheckedItem(position);
                }
                adapter.notifyDataSetChanged();
                onCheckedChange();
            }
        });
    }

}