plotters.js

尚学堂oa项目源码

		return group;
	}, CurvedArea:function (data, plotarea, plot, applyTo) {
		var tension = 3;
		var area = plotarea.getArea();
		var group = dojo.charting.Plotters._group(plotarea);
		if (data.length == 0) {
			return group;
		}
		var path = document.createElement("v:shape");
		path.setAttribute("strokeweight", "1px");
		path.setAttribute("strokecolor", data[0].series.color);
		path.setAttribute("fillcolor", data[0].series.color);
		path.setAttribute("coordsize", (area.right - area.left) + "," + (area.bottom - area.top));
		path.style.position = "absolute";
		path.style.top = "0px";
		path.style.left = "0px";
		path.style.width = area.right - area.left + "px";
		path.style.height = area.bottom - area.top + "px";
		var stroke = document.createElement("v:stroke");
		stroke.setAttribute("opacity", "0.8");
		path.appendChild(stroke);
		var fill = document.createElement("v:fill");
		fill.setAttribute("opacity", "0.4");
		path.appendChild(fill);
		var cmd = [];
		var r = 3;
		for (var i = 0; i < data.length; i++) {
			var x = Math.round(plot.axisX.getCoord(data[i].x, plotarea, plot));
			var y = Math.round(plot.axisY.getCoord(data[i].y, plotarea, plot));
			if (i == 0) {
				cmd.push("m");
				cmd.push(x + "," + y);
			} else {
				var lastx = Math.round(plot.axisX.getCoord(data[i - 1].x, plotarea, plot));
				var lasty = Math.round(plot.axisY.getCoord(data[i - 1].y, plotarea, plot));
				var dx = x - lastx;
				var dy = y - lasty;
				cmd.push("c");
				var cx = Math.round((x - (tension - 1) * (dx / tension)));
				cmd.push(cx + "," + lasty);
				cx = Math.round((x - (dx / tension)));
				cmd.push(cx + "," + y);
				cmd.push(x + "," + y);
			}
			var c = document.createElement("v:oval");
			c.setAttribute("strokeweight", "1px");
			c.setAttribute("strokecolor", data[i].series.color);
			c.setAttribute("fillcolor", data[i].series.color);
			var str = document.createElement("v:stroke");
			str.setAttribute("opacity", "0.8");
			c.appendChild(str);
			str = document.createElement("v:fill");
			str.setAttribute("opacity", "0.6");
			c.appendChild(str);
			var s = c.style;
			s.position = "absolute";
			s.top = (y - r) + "px";
			s.left = (x - r) + "px";
			s.width = (r * 2) + "px";
			s.height = (r * 2) + "px";
			group.appendChild(c);
			if (applyTo) {
				applyTo(c, data[i].src);
			}
		}
		cmd.push("l");
		cmd.push(x + "," + Math.round(plot.axisY.getCoord(plot.axisX.origin, plotarea, plot)));
		cmd.push("l");
		cmd.push(Math.round(plot.axisX.getCoord(data[0].x, plotarea, plot)) + "," + Math.round(plot.axisY.getCoord(plot.axisX.origin, plotarea, plot)));
		path.setAttribute("path", cmd.join(" ") + " x e");
		group.appendChild(path);
		return group;
	}, HighLow:function (data, plotarea, plot, applyTo) {
		var area = plotarea.getArea();
		var group = dojo.charting.Plotters._group(plotarea);
		var n = data.length;
		var part = ((area.right - area.left) / (plot.axisX.range.upper - plot.axisX.range.lower)) / 4;
		var w = part * 2;
		for (var i = 0; i < n; i++) {
			var high = data[i].high;
			var low = data[i].low;
			if (low > high) {
				var t = low;
				low = high;
				high = t;
			}
			var x = plot.axisX.getCoord(data[i].x, plotarea, plot) - (w / 2);
			var y = plot.axisY.getCoord(high, plotarea, plot);
			var h = plot.axisY.getCoord(low, plotarea, plot) - y;
			var bar = document.createElement("v:rect");
			bar.style.position = "absolute";
			bar.style.top = y + 1 + "px";
			bar.style.left = x + "px";
			bar.style.width = w + "px";
			bar.style.height = h + "px";
			bar.setAttribute("fillColor", data[i].series.color);
			bar.setAttribute("stroked", "false");
			bar.style.antialias = "false";
			var fill = document.createElement("v:fill");
			fill.setAttribute("opacity", "0.6");
			bar.appendChild(fill);
			if (applyTo) {
				applyTo(bar, data[i].src);
			}
			group.appendChild(bar);
		}
		return group;
	}, HighLowClose:function (data, plotarea, plot, applyTo) {
		var area = plotarea.getArea();
		var group = dojo.charting.Plotters._group(plotarea);
		var n = data.length;
		var part = ((area.right - area.left) / (plot.axisX.range.upper - plot.axisX.range.lower)) / 4;
		var w = part * 2;
		for (var i = 0; i < n; i++) {
			var high = data[i].high;
			var low = data[i].low;
			if (low > high) {
				var t = low;
				low = high;
				high = t;
			}
			var c = data[i].close;
			var x = plot.axisX.getCoord(data[i].x, plotarea, plot) - (w / 2);
			var y = plot.axisY.getCoord(high, plotarea, plot);
			var h = plot.axisY.getCoord(low, plotarea, plot) - y;
			var close = plot.axisY.getCoord(c, plotarea, plot);
			var g = document.createElement("div");
			var bar = document.createElement("v:rect");
			bar.style.position = "absolute";
			bar.style.top = y + 1 + "px";
			bar.style.left = x + "px";
			bar.style.width = w + "px";
			bar.style.height = h + "px";
			bar.setAttribute("fillColor", data[i].series.color);
			bar.setAttribute("stroked", "false");
			bar.style.antialias = "false";
			var fill = document.createElement("v:fill");
			fill.setAttribute("opacity", "0.6");
			bar.appendChild(fill);
			g.appendChild(bar);
			var line = document.createElement("v:line");
			line.setAttribute("strokecolor", data[i].series.color);
			line.setAttribute("strokeweight", "1px");
			line.setAttribute("from", x + "px," + close + "px");
			line.setAttribute("to", (x + w + (part * 2) - 2) + "px," + close + "px");
			var s = line.style;
			s.position = "absolute";
			s.top = "0px";
			s.left = "0px";
			s.antialias = "false";
			var str = document.createElement("v:stroke");
			str.setAttribute("opacity", "0.6");
			line.appendChild(str);
			g.appendChild(line);
			if (applyTo) {
				applyTo(g, data[i].src);
			}
			group.appendChild(g);
		}
		return group;
	}, HighLowOpenClose:function (data, plotarea, plot, applyTo) {
		var area = plotarea.getArea();
		var group = dojo.charting.Plotters._group(plotarea);
		var n = data.length;
		var part = ((area.right - area.left) / (plot.axisX.range.upper - plot.axisX.range.lower)) / 4;
		var w = part * 2;
		for (var i = 0; i < n; i++) {
			var high = data[i].high;
			var low = data[i].low;
			if (low > high) {
				var t = low;
				low = high;
				high = t;
			}
			var o = data[i].open;
			var c = data[i].close;
			var x = plot.axisX.getCoord(data[i].x, plotarea, plot) - (w / 2);
			var y = plot.axisY.getCoord(high, plotarea, plot);
			var h = plot.axisY.getCoord(low, plotarea, plot) - y;
			var open = plot.axisY.getCoord(o, plotarea, plot);
			var close = plot.axisY.getCoord(c, plotarea, plot);
			var g = document.createElement("div");
			var bar = document.createElement("v:rect");
			bar.style.position = "absolute";
			bar.style.top = y + 1 + "px";
			bar.style.left = x + "px";
			bar.style.width = w + "px";
			bar.style.height = h + "px";
			bar.setAttribute("fillColor", data[i].series.color);
			bar.setAttribute("stroked", "false");
			bar.style.antialias = "false";
			var fill = document.createElement("v:fill");
			fill.setAttribute("opacity", "0.6");
			bar.appendChild(fill);
			g.appendChild(bar);
			var line = document.createElement("v:line");
			line.setAttribute("strokecolor", data[i].series.color);
			line.setAttribute("strokeweight", "1px");
			line.setAttribute("from", (x - (part * 2)) + "px," + open + "px");
			line.setAttribute("to", (x + w - 2) + "px," + open + "px");
			var s = line.style;
			s.position = "absolute";
			s.top = "0px";
			s.left = "0px";
			s.antialias = "false";
			var str = document.createElement("v:stroke");
			str.setAttribute("opacity", "0.6");
			line.appendChild(str);
			g.appendChild(line);
			var line = document.createElement("v:line");
			line.setAttribute("strokecolor", data[i].series.color);
			line.setAttribute("strokeweight", "1px");
			line.setAttribute("from", x + "px," + close + "px");
			line.setAttribute("to", (x + w + (part * 2) - 2) + "px," + close + "px");
			var s = line.style;
			s.position = "absolute";
			s.top = "0px";
			s.left = "0px";
			s.antialias = "false";
			var str = document.createElement("v:stroke");
			str.setAttribute("opacity", "0.6");
			line.appendChild(str);
			g.appendChild(line);
			if (applyTo) {
				applyTo(g, data[i].src);
			}
			group.appendChild(g);
		}
		return group;
	}, Scatter:function (data, plotarea, plot, applyTo) {
		var r = 6;
		var mod = r / 2;
		var area = plotarea.getArea();
		var group = dojo.charting.Plotters._group(plotarea);
		for (var i = 0; i < data.length; i++) {
			var x = Math.round(plot.axisX.getCoord(data[i].x, plotarea, plot));
			var y = Math.round(plot.axisY.getCoord(data[i].y, plotarea, plot));
			var point = document.createElement("v:rect");
			point.setAttribute("strokecolor", data[i].series.color);
			point.setAttribute("fillcolor", data[i].series.color);
			var fill = document.createElement("v:fill");
			fill.setAttribute("opacity", "0.6");
			point.appendChild(fill);
			var s = point.style;
			s.position = "absolute";
			s.rotation = "45";
			s.top = (y - mod) + "px";
			s.left = (x - mod) + "px";
			s.width = r + "px";
			s.height = r + "px";
			group.appendChild(point);
			if (applyTo) {
				applyTo(point, data[i].src);
			}
		}
		return group;
	}, Bubble:function (data, plotarea, plot, applyTo) {
		var sizeFactor = 1;
		var area = plotarea.getArea();
		var group = dojo.charting.Plotters._group(plotarea);
		for (var i = 0; i < data.length; i++) {
			var x = Math.round(plot.axisX.getCoord(data[i].x, plotarea, plot));
			var y = Math.round(plot.axisY.getCoord(data[i].y, plotarea, plot));
			if (i == 0) {
				var raw = data[i].size;
				var dy = plot.axisY.getCoord(data[i].y + raw, plotarea, plot) - y;
				sizeFactor = dy / raw;
			}
			if (sizeFactor < 1) {
				sizeFactor = 1;
			}
			var r = (data[i].size / 2) * sizeFactor;
			var point = document.createElement("v:oval");
			point.setAttribute("strokecolor", data[i].series.color);
			point.setAttribute("fillcolor", data[i].series.color);
			var fill = document.createElement("v:fill");
			fill.setAttribute("opacity", "0.6");
			point.appendChild(fill);
			var s = point.style;
			s.position = "absolute";
			s.rotation = "45";
			s.top = (y - r) + "px";
			s.left = (x - r) + "px";
			s.width = (r * 2) + "px";
			s.height = (r * 2) + "px";
			group.appendChild(point);
			if (applyTo) {
				applyTo(point, data[i].src);
			}
		}
		return group;
	}});
	dojo.charting.Plotters["Default"] = dojo.charting.Plotters.Line;
}