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can switch between line/candle chart, and log scale, ...

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This commit is contained in:
7u83
2017-04-04 01:17:51 +02:00
parent 52e359f028
commit 4b35628079
3 changed files with 295 additions and 63 deletions
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116
src/chart/Chart.java
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@ -49,12 +49,6 @@ public class Chart extends javax.swing.JPanel implements QuoteReceiver, Scrollab
private int first_bar, last_bar;
public final void initChart() {
// data = new OHLCData(60000*30);
//data = new OHLCData(60000*30);
//data = Globals.se.getOHLCdata(60000 * 30);
this.setCompression(10000);
}
/**
* Creates new form Chart
@ -65,7 +59,7 @@ public class Chart extends javax.swing.JPanel implements QuoteReceiver, Scrollab
}
initComponents();
initChart();
//initChart();
// initCtxMenu();
//setCompression(60000);
if (Globals.se == null) {
@ -78,7 +72,7 @@ public class Chart extends javax.swing.JPanel implements QuoteReceiver, Scrollab
// scrollPane.setViewportView(this);
}
OHLCData data;
@Override
public Dimension getPreferredScrollableViewportSize() {
@ -169,6 +163,8 @@ public class Chart extends javax.swing.JPanel implements QuoteReceiver, Scrollab
if (xl_color != null) {
g.setColor(xl_color);
}
g.drawLine(clip_bounds.x, y,clip_bounds.width,y);
Dimension dim = getSize();
@ -249,7 +245,7 @@ public class Chart extends javax.swing.JPanel implements QuoteReceiver, Scrollab
}
boolean logs = false;
//boolean logs = false;
/* float getY0(float y) {
@ -297,12 +293,24 @@ public class Chart extends javax.swing.JPanel implements QuoteReceiver, Scrollab
// return (y+c_rect.y-c_rect.height)/c_yscaling+c_mm.getMin();
}
*/
private void drawLineItem(RenderCtx ctx, int prevx, int x, OHLCDataItem prev, OHLCDataItem i){
Graphics2D g = ctx.g;
if (prev==null)
prev=i;
int y1 = (int)ctx.getY(prev.close);
int y2 = (int)ctx.getY(i.close);
Color cur = g.getColor();
g.setColor(Color.RED);
g.drawLine(prevx,y1,x,y2);
g.setColor(cur);
}
private void drawCandleItem(RenderCtx ctx, int prevx, int x, OHLCDataItem prev, OHLCDataItem i) {
Graphics2D g = ctx.g;
Rectangle r = ctx.rect;
if (i.open < i.close) {
int xl = (int) (x + ctx.iwidth / 2);
@ -349,6 +357,7 @@ public class Chart extends javax.swing.JPanel implements QuoteReceiver, Scrollab
*/
protected enum ChartType {
CANDLESTICK,
LINE,
BAR,
VOL,
}
@ -360,6 +369,9 @@ public class Chart extends javax.swing.JPanel implements QuoteReceiver, Scrollab
case CANDLESTICK:
this.drawCandleItem(ctx, prevx, x, prev, i);
break;
case LINE:
this.drawLineItem(ctx, prevx, x, prev, i);
break;
case VOL:
this.drawBarItem(ctx, prevx, x, prev, i);
break;
@ -434,7 +446,7 @@ public class Chart extends javax.swing.JPanel implements QuoteReceiver, Scrollab
for (int i = first_bar; i < last_bar && i < data.size(); i++) {
OHLCDataItem di = data.get(i);
int x = (int) (i * em_width * x_unit_width); //em_width;
this.drawItem(ctx, x - em_width, x, prev, di); //, ctx.scaling, data.getMin());
this.drawItem(ctx, (int) (x - em_width * x_unit_width), x, prev, di); //, ctx.scaling, data.getMin());
// myi++;
prev = di;
@ -449,54 +461,44 @@ public class Chart extends javax.swing.JPanel implements QuoteReceiver, Scrollab
/**
* definition for a sub-chart window
*/
class SubChartDef {
public class SubChartDef {
/**
* Height of sub-chart in percent
*/
float height;
public float height;
/**
* top padding in em_height
*/
float padding_top = 0;
public float padding_top = 0;
/**
* bottom padding in em_height
* bottom padding in em_height (not implemented yet)
*/
float padding_bottom = 0;
public float padding_bottom = 0;
ChartType type;
OHLCData data;
public ChartType type;
public OHLCData data;
Color bgcolor = null;
public Color bgcolor = null;
/**
* logarithmic scaling
*/
public boolean log=false;
}
protected OHLCData data;
ArrayList<SubChartDef> charts = new ArrayList<>();
void addChart(SubChartDef d) {
protected void addChart(SubChartDef d) {
charts.add(d);
}
void setupCharts() {
charts = new ArrayList<>();
SubChartDef main = new SubChartDef();
main.height = 0.8f;
main.type = ChartType.CANDLESTICK;
main.data = this.data;
main.bgcolor = Color.BLUE;
main.padding_top = 0.02f;
addChart(main);
SubChartDef vol = new SubChartDef();
vol.height = 0.2f;
vol.type = ChartType.VOL;
vol.data = this.data;
// vol.bgcolor = Color.GRAY;
addChart(vol);
}
void drawAll(Graphics2D g) {
int pwidth = (int) (em_width * x_unit_width * (num_bars + 1)) + clip_bounds.width;
@ -504,8 +506,15 @@ public class Chart extends javax.swing.JPanel implements QuoteReceiver, Scrollab
this.revalidate();
int h1 = 0;
for (SubChartDef d : charts) {
if (d.data==null){
System.out.printf("Data is null\n");
System.exit(0);
}
// calclulate the min/max values
switch (d.type) {
@ -545,8 +554,8 @@ public class Chart extends javax.swing.JPanel implements QuoteReceiver, Scrollab
ctx.iwidth = (float) ((x_unit_width * em_width) * 0.9f);
this.ct = d.type;
logs = false;
c_mm.setLog(false);
// logs = false;
c_mm.setLog(d.log);
drawChart(ctx);
@ -555,6 +564,10 @@ public class Chart extends javax.swing.JPanel implements QuoteReceiver, Scrollab
}
}
protected void setupSubCharts(){
}
private void draw(Graphics2D g) {
@ -567,7 +580,8 @@ public class Chart extends javax.swing.JPanel implements QuoteReceiver, Scrollab
// g.setColor(Color.RED);
// g.drawRect(0,0,gdim.width,gdim.height);
this.setupCharts();
this.charts = new ArrayList<>();
setupSubCharts();
num_bars = data.size();
@ -658,7 +672,7 @@ public class Chart extends javax.swing.JPanel implements QuoteReceiver, Scrollab
ctx.iwidth = (float) ((x_unit_width * em_width) * 0.9f);
this.ct = ChartType.CANDLESTICK;
logs = true;
// logs = true;
c_mm.setLog(true);
drawChart(ctx);
@ -682,7 +696,7 @@ public class Chart extends javax.swing.JPanel implements QuoteReceiver, Scrollab
ctx.g = g;
ctx.iwidth = (float) ((x_unit_width * em_width) * 0.9f);
logs = false;
// logs = false;
c_mm.setLog(false);
this.ct = ChartType.VOL;
drawChart(ctx);
@ -770,22 +784,24 @@ public class Chart extends javax.swing.JPanel implements QuoteReceiver, Scrollab
// TODO add your handling code here:
}//GEN-LAST:event_jCheckBoxMenuItem1ActionPerformed
protected void setCompression(int timeFrame) {
/* protected void setCompression(int timeFrame) {
javax.swing.SwingUtilities.invokeLater(() -> {
data = Globals.se.getOHLCdata(timeFrame);
System.out.printf("Getting ohls data \n");
if (data == null){
System.out.printf("it is null\n");
}
invalidate();
repaint();
});
}
*/
@Override
public void UpdateQuote(Quote q) {
// System.out.print("Quote Received\n");
// this.realTimeAdd(q.time, (float) q.price, (float)q.volume);
// data.realTimeAdd(q.time, (float) q.price, (float) q.volume);
// this.invalidate();
this.repaint();
}