Android Open Source - HRForecast-WFM Chart Value Selected Listener

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Back to project page HRForecast-WFM.
License

The source code is released under:
Copyright 2014 Ahmed Shafei
If you think the Android project HRForecast-WFM listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

package de.hrf.workforcemanagement.listener;
/*from w  ww . j  a  v a2  s .  c o m*/
import java.util.ArrayList;

import android.app.Activity;
import android.util.DisplayMetrics;

import com.github.mikephil.charting.data.Entry;
import com.github.mikephil.charting.interfaces.OnChartValueSelectedListener;

import de.hrf.workforcemanagement.dialog.MetadataListDialog;
import de.hrf.workforcemanagement.models.MetadataList;

import lecho.lib.hellocharts.model.BubbleValue;
import lecho.lib.hellocharts.model.PointValue;
import lecho.lib.hellocharts.model.SubcolumnValue;
import lecho.lib.hellocharts.view.ComboLineColumnChartView.ComboLineColumnChartOnValueTouchListener;
import lecho.lib.hellocharts.view.BubbleChartView.BubbleChartOnValueTouchListener;

/**
 * Listener class responsible for showing the dialog popup when a chart entry is
 * selected. All chart fragments should use this interface to register a
 * callback for their charts.
 * 
 */
public class ChartValueSelectedListener implements
    OnChartValueSelectedListener, ComboLineColumnChartOnValueTouchListener,
    BubbleChartOnValueTouchListener {

  private Activity activity;
  private int windowHeight, windowWidth;
  private ArrayList<? extends MetadataList> metadataList;

  /**
   * Constructs object of callback listener
   * 
   * @param context
   *            Activity context
   * @param metadataList
   *            ArrayList of MetadataList
   * 
   */
  public ChartValueSelectedListener(Activity context,
      ArrayList<? extends MetadataList> metadataList) {
    this.activity = context;
    this.metadataList = metadataList;
    DisplayMetrics metrics = new DisplayMetrics();
    context.getWindowManager().getDefaultDisplay().getMetrics(metrics);
    windowHeight = metrics.heightPixels;
    windowWidth = metrics.widthPixels;
  }

  /**
   * Called when a value has been selected inside the MPAndroid library charts
   * (Pie, Bar, StackedBar, Line, Radar charts).
   * 
   * @param e
   *            the selected entry
   * @param dataSetIndex
   *            the index in the datasets array of the data object the Entrys
   *            DataSet is in
   */
  @Override
  public void onValueSelected(Entry e, int dataSetIndex) {
    showMetadataDialog(e.getXIndex());
  }

  @Override
  public void onNothingSelected() {
  }

  /**
   * Called when a bar has been selected inside the
   * ComboLineColumnChartOnValueTouchListener (part of the HelloChart library)
   * 
   * @param selectedBar
   *            the number of the selected bar
   * @param selectedValue
   *            the value of the selected bar
   * @param value
   *            the value of the subcolumn selected
   */
  @Override
  public void onColumnValueTouched(int selectedBar, int selectedValue,
      SubcolumnValue value) {
    showMetadataDialog(selectedBar);
  }

  /**
   * Called when a point has been selected inside the
   * ComboLineColumnChartOnValueTouchListener (part of the HelloChart library)
   * 
   * @param selectedPoint
   *            the number of the selected point
   * @param selectedValue
   *            the value of the selected point
   * @param value
   *            the point value selected
   */
  @Override
  public void onPointValueTouched(int selectedPoint, int selectedValue,
      PointValue value) {
    showMetadataDialog(selectedPoint);
  }

  /**
   * Called when a bubble has been selected inside the
   * BubbleChartOnValueTouchListener (part of the HelloChart library)
   * 
   * @param selectedBar
   *            the number of the selected bar
   * @param selectedValue
   *            the value of the selected bar
   * @param value
   *            the bubble value selected
   */
  @Override
  public void onValueTouched(int selectedBubble, BubbleValue value) {
    showMetadataDialog(selectedBubble);
  }

  @Override
  public void onValueDeselected() {
    // TODO Auto-generated method stub
  }

  private void showMetadataDialog(int selectedElement) {
    MetadataList entryMetadataList = metadataList.get(selectedElement);
    MetadataListDialog metadataDialog = new MetadataListDialog(activity,
        entryMetadataList.getMetaDataList(), windowWidth, windowHeight);
    metadataDialog.show();
  }
}
Java Source Code List
