com.powermonitor.epitech.Charts.LineChartFragment.java Source code

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Here is the source code for com.powermonitor.epitech.Charts.LineChartFragment.java

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/*
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package com.powermonitor.epitech.Charts;

import com.powermonitor.epitech.Models.Module;
import com.powermonitor.epitech.R;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.text.format.DateFormat;
import android.util.SparseArray;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import com.github.mikephil.charting.charts.LineChart;
import com.github.mikephil.charting.components.XAxis;
import com.github.mikephil.charting.components.YAxis;
import com.github.mikephil.charting.data.Entry;
import com.github.mikephil.charting.data.LineData;
import com.github.mikephil.charting.data.LineDataSet;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import android.R.color;
import android.widget.TextView;

/**
 *
 * @author jourda_c
 */
public class LineChartFragment extends Fragment {

    private LineChart chart;
    private ArrayList<LineDataSet> sets;
    private ArrayList<String> xVals;
    private SparseArray<String> dates;
    private SparseArray<LineDataSet> setsSave;
    private LineData data;
    private double maxY = 0;
    private int[] colors;
    private int currentColorId = 0;
    private TextView title;
    private String titleStr = "";

    @Override
    public void onCreate(Bundle savedInstanceBundle) {
        super.onCreate(savedInstanceBundle);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstance) {
        View v = inflater.inflate(R.layout.linechart, container, false);
        title = (TextView) v.findViewById(R.id.title);
        if (!titleStr.isEmpty())
            title.setText(titleStr);
        this.chart = (LineChart) v.findViewById(R.Charts.LineChart);
        sets = new ArrayList<LineDataSet>();
        xVals = new ArrayList<String>();
        dates = new SparseArray<String>();
        data = new LineData(xVals, sets);
        setsSave = new SparseArray<LineDataSet>();
        colors = new int[] { color.holo_blue_dark, color.holo_green_dark, color.holo_orange_dark, color.holo_purple,
                color.holo_red_dark };

        this.chart.setData(data);
        this.chart.getXAxis().setPosition(XAxis.XAxisPosition.TOP);
        this.chart.setDescription("");
        this.chart.getAxisRight().setEnabled(false);
        return v;
    }

    public void setTitle(String t) {
        if (title != null)
            title.setText(t);
        titleStr = t;
    }

    public void empty() {
        this.sets.clear();
        this.xVals.clear();
        this.dates.clear();
        this.setsSave.clear();
        this.data.clearValues();
        this.chart.clear();
        this.chart.setData(data);
        this.maxY = 0;
        this.currentColorId = 0;
    }

    public synchronized void addData(String label, int date, float y) {
        if (this.setsSave.get(label.hashCode(), null) == null) {
            LineDataSet s = new LineDataSet(new ArrayList<Entry>(), label);
            s.setDrawValues(false);
            s.setDrawCircles(false);
            s.setLineWidth(2f);
            s.setColor(getResources().getColor(this.colors[currentColorId]));
            currentColorId++;
            if (currentColorId >= this.colors.length)
                currentColorId = 0;
            this.data.addDataSet(s);
            this.setsSave.append(label.hashCode(), s);
        }
        LineDataSet set = this.setsSave.get(label.hashCode());
        if (dates.get(date, null) == null) {
            long ms = (long) date * 1000;
            Date d = new Date(ms);
            SimpleDateFormat format = new SimpleDateFormat("dd-MM");
            dates.append(date, format.format(d));
            xVals.add(dates.get(date));
        }
        set.addEntry(new Entry(y, dates.indexOfKey(date)));
        if (y > maxY) {
            maxY = y + 1;
            chart.getAxis(YAxis.AxisDependency.LEFT).setAxisMaxValue((int) maxY);
        }
        chart.notifyDataSetChanged();
        chart.invalidate();
    }
}