ColorListActivity.java :  » UnTagged » veader » org » ray » veader » Android Open Source

/*
 * Copyright (C) 2008 The Android Open Source Project
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package org.ray.veader;

import org.ray.veader.R;
import org.ray.veader.util.ColorUtil;
import org.ray.veader.util.Constatnts;

import android.app.Activity;
import android.app.ListActivity;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.AdapterView.OnItemClickListener;


/**
 * This example shows how to use choice mode on a list. This list is in
 * CHOICE_MODE_SINGLE mode, which means the items behave like checkboxes.
 */
public class ColorListActivity extends ListActivity {

    private final class FBColor {
        public int foreground;
        public int background;

        FBColor(int f, int b) {
            foreground = f;
            background = b;
        }

    }


    private class MyArrayAdapter extends ArrayAdapter<String> {
        private FBColor[] mColorList;
        private final String mString;

        public MyArrayAdapter(Context context, int textViewResourceId) {
            super(context, textViewResourceId);
            mString = getResources().getString(R.string.choose_color);
            ColorUtil colorUtil = new ColorUtil(context);
            int size = colorUtil.getColorSize();
            mColorList = new  FBColor[size];
            
            for(int i=0;i<size;i++){
                int[] color  = colorUtil.getColor(i);
                mColorList[i] = new FBColor(color[0], color[1]);
            }
        }

        //@override
        public int getCount() {
            return mColorList.length;
        }

        //@override
        public String getItem(int position) {
            return mString;
        }

        //@override
        public View getView(int position, View convertView, ViewGroup parent) {
            if (convertView == null) {
                convertView = super.getView(position, convertView, parent);
            }
            if (convertView instanceof TextView) {
                TextView tv = (TextView) convertView;
                tv.setTextColor(mColorList[position].foreground);
                tv.setBackgroundColor(mColorList[position].background);
            }

            return convertView;
        }

    };


    //@override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setListAdapter(new MyArrayAdapter(this,
                android.R.layout.simple_list_item_single_choice));

        final ListView listView = getListView();
        listView.setItemsCanFocus(false);
        listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE);

        SharedPreferences pref = getSharedPreferences(Constatnts.PREF_TAG,
                Context.MODE_PRIVATE);
        listView.setItemChecked(pref.getInt(Constatnts.TEXT_COLOR, 0), true);
        
        setResult(Activity.RESULT_CANCELED);

        listView.setOnItemClickListener(new OnItemClickListener() {

            //@override
            public void onItemClick(AdapterView<?> arg0, View arg1,
                    int position, long arg3) {
                Intent data = new Intent();
                data.putExtra("DATA", position);
                setResult(Activity.RESULT_OK, data);
                SharedPreferences pref = getSharedPreferences(
                        Constatnts.PREF_TAG, Context.MODE_PRIVATE);
                Editor editor = pref.edit();
                editor.putInt(Constatnts.TEXT_COLOR, getListView()
                        .getCheckedItemPosition());
                editor.commit();
                finish();
            }
        });

    }


}