ChartDemo.java

/**
 * Copyright (C) 2009, 2010 SC 4ViewSoft SRL
 *  
 * 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.achartengine.chartdemo.demo;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.achartengine.chartdemo.demo.chart.AverageTemperatureChart;
import org.achartengine.chartdemo.demo.chart.BudgetDoughnutChart;
import org.achartengine.chartdemo.demo.chart.BudgetPieChart;
import org.achartengine.chartdemo.demo.chart.IChart;
import org.achartengine.chartdemo.demo.chart.MyChart;
import org.achartengine.chartdemo.demo.chart.ProjectStatusBubbleChart;
import org.achartengine.chartdemo.demo.chart.ProjectStatusChart;
import org.achartengine.chartdemo.demo.chart.SalesBarChart;
import org.achartengine.chartdemo.demo.chart.SalesComparisonChart;
import org.achartengine.chartdemo.demo.chart.SalesGrowthChart;
import org.achartengine.chartdemo.demo.chart.SalesStackedBarChart;
import org.achartengine.chartdemo.demo.chart.ScatterChart;
import org.achartengine.chartdemo.demo.chart.SensorValuesChart;
import org.achartengine.chartdemo.demo.chart.TemperatureChart;
import org.achartengine.chartdemo.demo.chart.TrigonometricFunctionsChart;
import org.achartengine.chartdemo.demo.chart.WeightDialChart;
import org.achartengine.chartdemo.demo.chart.XYChartBuilder;

import android.app.ListActivity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.ListView;
import android.widget.SimpleAdapter;

public class ChartDemo extends ListActivity {
  private IChart[] mCharts = new IChart[] {new AverageTemperatureChart(), new SalesStackedBarChart(),
		  new SalesBarChart(), new TrigonometricFunctionsChart(), new ScatterChart(), new SalesComparisonChart(),
          new ProjectStatusChart(), new SalesGrowthChart(), new BudgetPieChart(), new BudgetDoughnutChart(), 
          new ProjectStatusBubbleChart(), new TemperatureChart(), new WeightDialChart(), new SensorValuesChart(),
  			new MyChart()};
	
  private String[] mMenuText;

  private String[] mMenuSummary;

  /** Called when the activity is first created. */
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    int length = mCharts.length;
    mMenuText = new String[length + 2];
    mMenuSummary = new String[length + 2];
    mMenuText[0] = "Embedded chart demo";
    mMenuSummary[0] = "A demo on how to include a chart into a graphical activity";
    for (int i = 0; i < length; i++) {
      mMenuText[i + 1] = mCharts[i].getName();
      mMenuSummary[i + 1] = mCharts[i].getDesc();
    }
    mMenuText[length + 1] = "Random values charts";
    mMenuSummary[length + 1] = "Chart demos using randomly generated values";
    setListAdapter(new SimpleAdapter(this, getListValues(), android.R.layout.simple_list_item_2,
        new String[] { IChart.NAME, IChart.DESC }, new int[] { android.R.id.text1, android.R.id.text2 }));
  }

  private List<Map<String, String>> getListValues() {
    List<Map<String, String>> values = new ArrayList<Map<String, String>>();
    int length = mMenuText.length;
    for (int i = 0; i < length; i++) {
      Map<String, String> v = new HashMap<String, String>();
      v.put(IChart.NAME, mMenuText[i]);
      v.put(IChart.DESC, mMenuSummary[i]);
      values.add(v);
    }
    return values;
  }

  @Override
  protected void onListItemClick(ListView l, View v, int position, long id) {
    super.onListItemClick(l, v, position, id);
    Intent intent = null;
    if (position == 0) {
      intent = new Intent(this, XYChartBuilder.class);
    } else if (position <= mCharts.length) {
      intent = mCharts[position - 1].execute(this);
    } else {
      intent = new Intent(this, GeneratedChartDemo.class);
    }
    startActivity(intent);
  }
}