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Candlestick chart

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This commit is contained in:
Dennis Eichhorn 2017-01-08 15:16:57 +01:00
parent 66e876b9b8
commit 4aacdb499b
2 changed files with 33 additions and 32 deletions
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63
Chart/CandlestickChart.js
View File

@ -41,18 +41,22 @@
},
min: 0,
max: 0
},
y0: {
min: 0,
max: 0
}
};
this.chart.grid = {
x: {
visible: false
visible: true
},
y: {
visible: true
}
};
this.chart.subtype = 'waterfall';
this.chart.subtype = 'candlestick';
};
jsOMS.Chart.CandlestickChart.prototype.getChart = function ()
@ -62,17 +66,16 @@
jsOMS.Chart.CandlestickChart.prototype.setData = function (data)
{
this.chart.setData(dataset);
this.chart.setData(data);
};
jsOMS.Chart.CandlestickChart.prototype.draw = function ()
{
let bar, svg, x, xAxis1, xAxis2, y, yAxis1, yAxis2, xGrid, yGrid, zoom, self = this, box = this.chart.chartSelect.node().getBoundingClientRect();
let bar, svg, x, xAxis1, xAxis2, y, yAxis1, yAxis2, xGrid, yGrid, zoom, self = this;
this.chart.dimension = {
width: box.width,
height: box.height
};
let mm = 50;
this.chart.calculateDimension();
x = this.chart.createXScale('linear');
y = this.chart.createYScale('linear');
@ -81,8 +84,8 @@
xGrid = this.chart.createXGrid(x);
yGrid = this.chart.createYGrid(y);
x.domain([this.chart.axis.x.min, this.chart.axis.x.max + 1]);
y.domain([this.chart.axis.y.min - 1, this.chart.axis.y.max + 1]);
x.domain([this.chart.axis.x.min - 1, this.chart.axis.x.max + 1]);
y.domain([this.chart.axis.y0.min - 1, this.chart.axis.y.max + 1]);
svg = this.chart.chartSelect.append("svg")
.attr("width", this.chart.dimension.width)
@ -92,11 +95,25 @@
+ (this.chart.margin.top) + ")");
this.chart.drawGrid(svg, xGrid, yGrid);
let dataPoint, dataPointEnter,
temp = this.drawData(svg, x, y, dataPointEnter, dataPoint);
dataPointEnter = temp[0];
dataPoint = temp[1];
svg.selectAll("rect")
.data(this.chart.dataset[0].points)
.enter().append("svg:rect")
.attr("x", function(d) { return x(d.x)-mm/10; })
.attr("y", function(d) {return y(Math.max(d.open, d.close));})
.attr("height", function(d) { return Math.max(1, y(Math.min(d.open, d.close))-y(Math.max(d.open, d.close)));})
.attr("width", function(d) { return 0.5 * (self.chart.dimension.width - 4*mm)/self.chart.dataset[0].points.length; })
.attr("fill",function(d) { return d.open > d.close ? "red" : "green" ;});
svg.selectAll("line.stem")
.data(this.chart.dataset[0].points)
.enter().append("svg:line")
.attr("class", "stem")
.attr("x1", function(d) { return x(d.x);})
.attr("x2", function(d) { return x(d.x);})
.attr("y1", function(d) { return y(d.y);})
.attr("y2", function(d) { return y(d.y0); })
.attr("stroke", function(d){ return d.open > d.close ? "red" : "green"; });
this.chart.drawText(svg);
this.chart.drawAxis(svg, xAxis1, yAxis1);
@ -112,20 +129,4 @@
this.chart.chartSelect.select("*").remove();
this.draw();
};
jsOMS.Chart.CandlestickChart.prototype.drawData = function (svg, x, y, dataPointEnter, dataPoint)
{
let self = this;
dataPoint = svg.selectAll(".dataPoint").data(this.chart.dataset[0].points, function (c)
{
return c.id;
});
dataPointEnter = dataPoint.enter().append("g")
.attr("class", function(d) { return "dataPoint " + (d.y < d.y0 ? 'negative' : 'positive'); })
.attr("transform", function(d) { return "translate(" + x(d.name) + ",0)"; });
return [dataPointEnter, dataPoint];
};
}(window.jsOMS = window.jsOMS || {}));

2
Chart/LineChart.js
View File

@ -70,7 +70,7 @@
{
let line, svg, x, xAxis1, xAxis2, y, yAxis1, yAxis2, xGrid, yGrid, zoom, self = this;
this.chart.calculateDimension('linear');
this.chart.calculateDimension();
x = this.chart.createXScale('linear');
y = this.chart.createYScale('linear');