package com.xxmassdeveloper.mpchartexample;
import android.annotation.SuppressLint;
import android.graphics.RectF;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.WindowManager;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.TextView;
import android.widget.Toast;
import com.github.mikephil.charting.charts.HorizontalBarChart;
import com.github.mikephil.charting.components.Legend;
import com.github.mikephil.charting.components.Legend.LegendPosition;
import com.github.mikephil.charting.components.XAxis;
import com.github.mikephil.charting.components.XAxis.XAxisPosition;
import com.github.mikephil.charting.components.YAxis;
import com.github.mikephil.charting.data.BarData;
import com.github.mikephil.charting.data.BarDataSet;
import com.github.mikephil.charting.data.BarEntry;
import com.github.mikephil.charting.data.Entry;
import com.github.mikephil.charting.highlight.Highlight;
import com.github.mikephil.charting.interfaces.datasets.IBarDataSet;
import com.github.mikephil.charting.listener.OnChartValueSelectedListener;
import com.github.mikephil.charting.utils.MPPointF;
import com.xxmassdeveloper.mpchartexample.notimportant.DemoBase;
import java.util.ArrayList;
import java.util.List;
public class HorizontalBarChartActivity extends DemoBase implements OnSeekBarChangeListener,
OnChartValueSelectedListener {
protected HorizontalBarChart mChart;
private SeekBar mSeekBarX, mSeekBarY;
private TextView tvX, tvY;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView(R.layout.activity_horizontalbarchart);
tvX = (TextView) findViewById(R.id.tvXMax);
tvY = (TextView) findViewById(R.id.tvYMax);
mSeekBarX = (SeekBar) findViewById(R.id.seekBar1);
mSeekBarY = (SeekBar) findViewById(R.id.seekBar2);
mChart = (HorizontalBarChart) findViewById(R.id.chart1);
mChart.setOnChartValueSelectedListener(this);
// mChart.setHighlightEnabled(false);
mChart.setDrawBarShadow(false);
mChart.setDrawValueAboveBar(true);
mChart.getDescription().setEnabled(false);
// if more than 60 entries are displayed in the chart, no values will be
// drawn
mChart.setMaxVisibleValueCount(60);
// scaling can now only be done on x- and y-axis separately
mChart.setPinchZoom(false);
// draw shadows for each bar that show the maximum value
// mChart.setDrawBarShadow(true);
mChart.setDrawGridBackground(false);
XAxis xl = mChart.getXAxis();
xl.setPosition(XAxisPosition.BOTTOM);
xl.setTypeface(mTfLight);
xl.setDrawAxisLine(true);
xl.setDrawGridLines(false);
xl.setGranularity(10f);
YAxis yl = mChart.getAxisLeft();
yl.setTypeface(mTfLight);
yl.setDrawAxisLine(true);
yl.setDrawGridLines(true);
yl.setAxisMinimum(0f); // this replaces setStartAtZero(true)
// yl.setInverted(true);
YAxis yr = mChart.getAxisRight();
yr.setTypeface(mTfLight);
yr.setDrawAxisLine(true);
yr.setDrawGridLines(false);
yr.setAxisMinimum(0f); // this replaces setStartAtZero(true)
// yr.setInverted(true);
setData(12, 50);
mChart.setFitBars(true);
mChart.animateY(2500);
// setting data
mSeekBarY.setProgress(50);
mSeekBarX.setProgress(12);
mSeekBarY.setOnSeekBarChangeListener(this);
mSeekBarX.setOnSeekBarChangeListener(this);
Legend l = mChart.getLegend();
l.setVerticalAlignment(Legend.LegendVerticalAlignment.BOTTOM);
l.setHorizontalAlignment(Legend.LegendHorizontalAlignment.LEFT);
l.setOrientation(Legend.LegendOrientation.HORIZONTAL);
l.setDrawInside(false);
l.setFormSize(8f);
l.setXEntrySpace(4f);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.bar, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.actionToggleValues: {
List<IBarDataSet> sets = mChart.getData()
.getDataSets();
for (IBarDataSet iSet : sets) {
IBarDataSet set = (BarDataSet) iSet;
set.setDrawValues(!set.isDrawValuesEnabled());
}
mChart.invalidate();
break;
}
case R.id.actionToggleIcons: {
List<IBarDataSet> sets = mChart.getData()
.getDataSets();
for (IBarDataSet iSet : sets) {
IBarDataSet set = (BarDataSet) iSet;
set.setDrawIcons(!set.isDrawIconsEnabled());
}
mChart.invalidate();
break;
}
case R.id.actionToggleHighlight: {
if(mChart.getData() != null) {
mChart.getData().setHighlightEnabled(!mChart.getData().isHighlightEnabled());
mChart.invalidate();
}
break;
}
case R.id.actionTogglePinch: {
if (mChart.isPinchZoomEnabled())
mChart.setPinchZoom(false);
else
mChart.setPinchZoom(true);
mChart.invalidate();
break;
}
case R.id.actionToggleAutoScaleMinMax: {
mChart.setAutoScaleMinMaxEnabled(!mChart.isAutoScaleMinMaxEnabled());
mChart.notifyDataSetChanged();
break;
}
case R.id.actionToggleBarBorders: {
for (IBarDataSet set : mChart.getData().getDataSets())
((BarDataSet)set).setBarBorderWidth(set.getBarBorderWidth() == 1.f ? 0.f : 1.f);
mChart.invalidate();
break;
}
case R.id.animateX: {
mChart.animateX(3000);
break;
}
case R.id.animateY: {
mChart.animateY(3000);
break;
}
case R.id.animateXY: {
mChart.animateXY(3000, 3000);
break;
}
case R.id.actionSave: {
if (mChart.saveToGallery("title" + System.currentTimeMillis(), 50)) {
Toast.makeText(getApplicationContext(), "Saving SUCCESSFUL!",
Toast.LENGTH_SHORT).show();
} else
Toast.makeText(getApplicationContext(), "Saving FAILED!", Toast.LENGTH_SHORT)
.show();
break;
}
}
return true;
}
@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
tvX.setText("" + (mSeekBarX.getProgress() + 1));
tvY.setText("" + (mSeekBarY.getProgress()));
setData(mSeekBarX.getProgress() + 1, mSeekBarY.getProgress());
mChart.setFitBars(true);
mChart.invalidate();
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
}
private void setData(int count, float range) {
float barWidth = 9f;
float spaceForBar = 10f;
ArrayList<BarEntry> yVals1 = new ArrayList<BarEntry>();
for (int i = 0; i < count; i++) {
float val = (float) (Math.random() * range);
yVals1.add(new BarEntry(i * spaceForBar, val,
getResources().getDrawable(R.drawable.star)));
}
BarDataSet set1;
if (mChart.getData() != null &&
mChart.getData().getDataSetCount() > 0) {
set1 = (BarDataSet)mChart.getData().getDataSetByIndex(0);
set1.setValues(yVals1);
mChart.getData().notifyDataChanged();
mChart.notifyDataSetChanged();
} else {
set1 = new BarDataSet(yVals1, "DataSet 1");
set1.setDrawIcons(false);
ArrayList<IBarDataSet> dataSets = new ArrayList<IBarDataSet>();
dataSets.add(set1);
BarData data = new BarData(dataSets);
data.setValueTextSize(10f);
data.setValueTypeface(mTfLight);
data.setBarWidth(barWidth);
mChart.setData(data);
}
}
protected RectF mOnValueSelectedRectF = new RectF();
@SuppressLint("NewApi")
@Override
public void onValueSelected(Entry e, Highlight h) {
if (e == null)
return;
RectF bounds = mOnValueSelectedRectF;
mChart.getBarBounds((BarEntry) e, bounds);
MPPointF position = mChart.getPosition(e, mChart.getData().getDataSetByIndex(h.getDataSetIndex())
.getAxisDependency());
Log.i("bounds", bounds.toString());
Log.i("position", position.toString());
MPPointF.recycleInstance(position);
}
@Override
public void onNothingSelected() {
};
}