com.flowzr.activity.AbstractEditorActivity.java Source code

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Here is the source code for com.flowzr.activity.AbstractEditorActivity.java

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/*******************************************************************************
 * Copyright (c) 2010 Denis Solonenko.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v2.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * 
 * Contributors:
 *     Denis Solonenko - initial API and implementation
 *     Emmanuel Florent - port to Android API 11+
 ******************************************************************************/
package com.flowzr.activity;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.NavUtils;
import android.support.v4.app.TaskStackBuilder;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBarActivity;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Toast;

import com.flowzr.R;
import com.flowzr.db.DatabaseAdapter;
import com.flowzr.db.MyEntityManager;
import com.flowzr.model.MultiChoiceItem;
import com.flowzr.utils.PinProtection;
import com.flowzr.view.NodeInflater;

import java.util.List;

public abstract class AbstractEditorActivity extends ActionBarActivity implements ActivityLayoutListener {

    protected DatabaseAdapter db;
    protected MyEntityManager em;

    protected ActivityLayout x;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        // Setup ActionBar      
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        //@see: http://stackoverflow.com/questions/16539251/get-rid-of-blue-line, 
        //only way found to remove on various devices 2.3x, 3.0, ...
        getSupportActionBar().setBackgroundDrawable(new ColorDrawable(Color.parseColor("#000000")));

        LayoutInflater layoutInflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        NodeInflater nodeInflater = new NodeInflater(layoutInflater);

        x = new ActivityLayout(nodeInflater, this);
        db = new DatabaseAdapter(this);
        db.open();
        em = db.em();
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.ok_cancel, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case android.R.id.home: {
            TaskStackBuilder tsb = TaskStackBuilder.create(this);
            final int intentCount = tsb.getIntentCount();
            if (intentCount > 0) {
                Intent upIntent = tsb.getIntents()[intentCount - 1];
                if (NavUtils.shouldUpRecreateTask(this, upIntent)) {
                    // This activity is not part of the application's task, so create a new task with a synthesized back stack.
                    tsb.startActivities();
                    finish();
                } else {
                    // This activity is part of the application's task, so simply navigate up to the hierarchical parent activity.
                    NavUtils.navigateUpTo(this, upIntent);
                }
            } else {
                onBackPressed();
            }
            return true;
        }

        }
        return super.onOptionsItemSelected(item);
    }

    protected boolean shouldLock() {
        return true;
    }

    @Override
    public void onClick(View v) {
        int id = v.getId();
        onClick(v, id);
    }

    protected abstract void onClick(View v, int id);

    @Override
    public void onSelected(int id, List<? extends MultiChoiceItem> items) {
    }

    @Override
    public void onSelectedId(int id, long selectedId) {
    }

    @Override
    public void onSelectedPos(int id, int selectedPos) {
    }

    protected boolean checkSelected(Object value, int messageResId) {
        if (value == null) {
            Toast.makeText(this, messageResId, Toast.LENGTH_SHORT).show();
            return false;
        }
        return true;
    }

    protected boolean checkSelectedId(long value, int messageResId) {
        if (value <= 0) {
            Toast.makeText(this, messageResId, Toast.LENGTH_SHORT).show();
            return false;
        }
        return true;
    }

    public static void setVisibility(View v, int visibility) {
        v.setVisibility(visibility);
        Object o = v.getTag();
        if (o instanceof View) {
            ((View) o).setVisibility(visibility);
        }
    }

    @Override
    protected void onDestroy() {
        db.close();
        super.onDestroy();
    }

    @Override
    protected void onPause() {
        super.onPause();
        if (shouldLock()) {
            PinProtection.lock(this);
        }
    }

    @Override
    protected void onResume() {
        super.onResume();
        if (shouldLock()) {
            PinProtection.unlock(this);
        }
    }

}