Android Open Source - ShareManager Company Graphics Builder

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License

The source code is released under:

Copyright (c) 2013, Nelspike All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Red...

Java Source Code

package share.manager.utils;
//from w w w.ja  v  a 2  s  .c o m
import java.util.ArrayList;
import java.util.Collections;

import org.achartengine.ChartFactory;
import org.achartengine.GraphicalView;
import org.achartengine.chart.PointStyle;
import org.achartengine.model.XYMultipleSeriesDataset;
import org.achartengine.model.XYSeries;
import org.achartengine.renderer.XYMultipleSeriesRenderer;
import org.achartengine.renderer.XYSeriesRenderer;
import org.achartengine.renderer.XYSeriesRenderer.FillOutsideLine;

import share.manager.stock.R;
import android.app.Activity;
import android.graphics.Color;
import android.graphics.Paint.Align;
import android.view.View;
import android.view.ViewGroup.LayoutParams;
import android.widget.LinearLayout;

public class CompanyGraphicsBuilder {

  /** The main dataset that includes all the series that go into a chart. */
  private XYMultipleSeriesDataset mDataset = new XYMultipleSeriesDataset();
  /** The main renderer that includes all the renderers customizing a chart. */
  private XYMultipleSeriesRenderer mRenderer = new XYMultipleSeriesRenderer();
  /** The most recently added series. */
  private XYSeries mCurrentSeries;
  /** The chart view that displays the data. */
  private GraphicalView mChartView;
  private Activity context;
  private View view;

  public CompanyGraphicsBuilder(final Activity context,
      ArrayList<Float> stockValues, ArrayList<String> dates, View view) {
    // set some properties on the main renderer
    this.context = context;
    this.view = view;
    mRenderer.setApplyBackgroundColor(true);
    mRenderer.setBackgroundColor(Color.argb(0, 50, 50, 50));
    mRenderer.setAxisTitleTextSize(35);
    mRenderer.setLabelsTextSize(20);
    mRenderer.setLegendTextSize(25);
    mRenderer.setPointSize(0);
    mRenderer.setPanEnabled(false, false);
    mRenderer.setZoomRate(0.1f);
    mRenderer.setZoomEnabled(false, false);
    mRenderer.setYLabelsAlign(Align.RIGHT);
    mRenderer.setXLabelsPadding(30);
    mRenderer.setMarginsColor(Color.argb(0, 50, 50, 50));

    mChartView = ChartFactory.getLineChartView(context, mDataset, mRenderer);

    LinearLayout layout = null;

    if (view == null) layout = (LinearLayout) context.findViewById(R.id.chart);
    else layout = (LinearLayout) view.findViewById(R.id.chart_portfolio);

    layout.addView(mChartView, new LayoutParams(LayoutParams.WRAP_CONTENT,
        LayoutParams.WRAP_CONTENT));

    XYSeries series = new XYSeries("Current Stock");
    mDataset.addSeries(series);
    mCurrentSeries = series;
    // create a new renderer for the new series
    XYSeriesRenderer renderer = new XYSeriesRenderer();
    mRenderer.addSeriesRenderer(renderer);
    // set some renderer properties
    renderer.setPointStyle(PointStyle.DIAMOND);
    renderer.setFillPoints(true);
    renderer.setColor(Color.argb(100, 35, 25, 250));
    renderer.setLineWidth(5.0f);
    FillOutsideLine fill = new FillOutsideLine(FillOutsideLine.Type.BOUNDS_ALL);
    fill.setColor(Color.argb(20, 255, 255, 255));
    renderer.addFillOutsideLine(fill);

    Collections.reverse(stockValues);
    Collections.reverse(dates);

    for (int i = 0; i < stockValues.size(); i++) {
      double x = i;
      double y = stockValues.get(i);
      mCurrentSeries.add(x, y);
      if (i % 5 == 0) {
        mRenderer.addXTextLabel(i, dates.get(i));
        mRenderer.setXLabels(0);
      }
    }

    mRenderer.setXTitle("From " + dates.get(0) + " to "
        + dates.get(dates.size() - 1));

    Collections.sort(stockValues);
    if (stockValues.get(0) - 20.0f >= 0) mRenderer.setYAxisMin(stockValues
        .get(0) - 20.0f);
    else mRenderer.setYAxisMin(0);

    mRenderer.setYAxisMax(stockValues.get(stockValues.size() - 1) + 20.0f);

    mRenderer.setXAxisMin(0);
    mRenderer.setXAxisMax(dates.size());

    mChartView.repaint();
  }

  public void repaintGraph(ArrayList<Float> stockValues, ArrayList<String> dates) {
    mRenderer.removeAllRenderers();
    mDataset.clear();
    mCurrentSeries.clear();
    XYSeries series = new XYSeries("Current Stock");
    mDataset.addSeries(series);
    mCurrentSeries = series;
    // create a new renderer for the new series
    XYSeriesRenderer renderer = new XYSeriesRenderer();
    mRenderer.addSeriesRenderer(renderer);
    // set some renderer properties
    renderer.setPointStyle(PointStyle.DIAMOND);
    renderer.setFillPoints(true);
    renderer.setColor(Color.argb(100, 35, 25, 250));
    renderer.setLineWidth(5.0f);
    FillOutsideLine fill = new FillOutsideLine(FillOutsideLine.Type.BOUNDS_ALL);
    fill.setColor(Color.argb(20, 255, 255, 255));
    renderer.addFillOutsideLine(fill);

    Collections.reverse(stockValues);
    Collections.reverse(dates);

    for (int i = 0; i < stockValues.size(); i++) {
      double x = i;
      double y = stockValues.get(i);
      mCurrentSeries.add(x, y);
      if (i % 5 == 0) {
        mRenderer.addXTextLabel(i, dates.get(i));
        mRenderer.setXLabels(0);
      }
    }

    mRenderer.setXTitle("From " + dates.get(0) + " to "
        + dates.get(dates.size() - 1));

    Collections.sort(stockValues);
    if (stockValues.get(0) - 20.0f >= 0) mRenderer.setYAxisMin(stockValues
        .get(0) - 20.0f);
    else mRenderer.setYAxisMin(0);

    mRenderer.setYAxisMax(stockValues.get(stockValues.size() - 1) + 20.0f);

    mRenderer.setXAxisMin(0);
    mRenderer.setXAxisMax(dates.size());

    LinearLayout layout = (LinearLayout) this.view
        .findViewById(R.id.chart_portfolio);
    layout.removeAllViews();
    mChartView = ChartFactory.getLineChartView(context, mDataset, mRenderer);
    layout.addView(mChartView, new LayoutParams(LayoutParams.WRAP_CONTENT,
        LayoutParams.WRAP_CONTENT));
    mChartView.repaint();
  }
}

Java Source Code List

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