190 lines
6.1 KiB
JavaScript
190 lines
6.1 KiB
JavaScript
|
dojo.provide("dojox.charting.plot2d.Default");
|
||
|
|
|
||
|
|
dojo.require("dojox.charting.plot2d.common");
|
||
|
|
dojo.require("dojox.charting.plot2d.Base");
|
||
|
|
|
||
|
|
dojo.require("dojox.lang.utils");
|
||
|
|
dojo.require("dojox.lang.functional");
|
||
|
|
dojo.require("dojox.lang.functional.reversed");
|
||
|
|
|
||
|
|
(function(){
|
||
|
|
var df = dojox.lang.functional, du = dojox.lang.utils,
|
||
|
|
dc = dojox.charting.plot2d.common,
|
||
|
|
purgeGroup = df.lambda("item.purgeGroup()");
|
||
|
|
|
||
|
|
dojo.declare("dojox.charting.plot2d.Default", dojox.charting.plot2d.Base, {
|
||
|
|
defaultParams: {
|
||
|
|
hAxis: "x", // use a horizontal axis named "x"
|
||
|
|
vAxis: "y", // use a vertical axis named "y"
|
||
|
|
lines: true, // draw lines
|
||
|
|
areas: false, // draw areas
|
||
|
|
markers: false, // draw markers
|
||
|
|
shadows: 0, // draw shadows
|
||
|
|
tension: 0 // draw curved lines (tension>0)
|
||
|
|
},
|
||
|
|
optionalParams: {}, // no optional parameters
|
||
|
|
|
||
|
|
constructor: function(chart, kwArgs){
|
||
|
|
this.opt = dojo.clone(this.defaultParams);
|
||
|
|
du.updateWithObject(this.opt, kwArgs);
|
||
|
|
this.series = [];
|
||
|
|
this.hAxis = this.opt.hAxis;
|
||
|
|
this.vAxis = this.opt.vAxis;
|
||
|
|
},
|
||
|
|
|
||
|
|
calculateAxes: function(dim){
|
||
|
|
this._calc(dim, dc.collectSimpleStats(this.series));
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
render: function(dim, offsets){
|
||
|
|
this.dirty = this.isDirty();
|
||
|
|
if(this.dirty){
|
||
|
|
dojo.forEach(this.series, purgeGroup);
|
||
|
|
this.cleanGroup();
|
||
|
|
var s = this.group;
|
||
|
|
df.forEachRev(this.series, function(item){ item.cleanGroup(s); });
|
||
|
|
}
|
||
|
|
var t = this.chart.theme, stroke, outline, color, marker, events = this.events();
|
||
|
|
this.resetEvents();
|
||
|
|
for(var i = this.series.length - 1; i >= 0; --i){
|
||
|
|
var run = this.series[i];
|
||
|
|
if(!this.dirty && !run.dirty){ continue; }
|
||
|
|
run.cleanGroup();
|
||
|
|
if(!run.data.length){
|
||
|
|
run.dirty = false;
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
var s = run.group, lpoly,
|
||
|
|
ht = this._hScaler.scaler.getTransformerFromModel(this._hScaler),
|
||
|
|
vt = this._vScaler.scaler.getTransformerFromModel(this._vScaler);
|
||
|
|
if(typeof run.data[0] == "number"){
|
||
|
|
lpoly = dojo.map(run.data, function(v, i){
|
||
|
|
return {
|
||
|
|
x: ht(i + 1) + offsets.l,
|
||
|
|
y: dim.height - offsets.b - vt(v)
|
||
|
|
};
|
||
|
|
}, this);
|
||
|
|
}else{
|
||
|
|
lpoly = dojo.map(run.data, function(v, i){
|
||
|
|
return {
|
||
|
|
x: ht(v.x) + offsets.l,
|
||
|
|
y: dim.height - offsets.b - vt(v.y)
|
||
|
|
};
|
||
|
|
}, this);
|
||
|
|
}
|
||
|
|
if(!run.fill || !run.stroke){
|
||
|
|
// need autogenerated color
|
||
|
|
color = run.dyn.color = new dojo.Color(t.next("color"));
|
||
|
|
}
|
||
|
|
|
||
|
|
var lpath = this.opt.tension ? dc.curve(lpoly, this.opt.tension) : "";
|
||
|
|
|
||
|
|
if(this.opt.areas){
|
||
|
|
var fill = run.fill ? run.fill : dc.augmentFill(t.series.fill, color);
|
||
|
|
var apoly = dojo.clone(lpoly);
|
||
|
|
if(this.opt.tension){
|
||
|
|
var apath = "L" + apoly[apoly.length-1].x + "," + (dim.height - offsets.b) +
|
||
|
|
" L" + apoly[0].x + "," + (dim.height - offsets.b) +
|
||
|
|
" L" + apoly[0].x + "," + apoly[0].y;
|
||
|
|
run.dyn.fill = s.createPath(lpath + " " + apath).setFill(fill).getFill();
|
||
|
|
} else {
|
||
|
|
apoly.push({x: lpoly[lpoly.length - 1].x, y: dim.height - offsets.b});
|
||
|
|
apoly.push({x: lpoly[0].x, y: dim.height - offsets.b});
|
||
|
|
apoly.push(lpoly[0]);
|
||
|
|
run.dyn.fill = s.createPolyline(apoly).setFill(fill).getFill();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if(this.opt.lines || this.opt.markers){
|
||
|
|
// need a stroke
|
||
|
|
stroke = run.stroke ? dc.makeStroke(run.stroke) : dc.augmentStroke(t.series.stroke, color);
|
||
|
|
if(run.outline || t.series.outline){
|
||
|
|
outline = dc.makeStroke(run.outline ? run.outline : t.series.outline);
|
||
|
|
outline.width = 2 * outline.width + stroke.width;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if(this.opt.markers){
|
||
|
|
// need a marker
|
||
|
|
marker = run.dyn.marker = run.marker ? run.marker : t.next("marker");
|
||
|
|
}
|
||
|
|
var frontMarkers = null, outlineMarkers = null, shadowMarkers = null;
|
||
|
|
if(this.opt.shadows && stroke){
|
||
|
|
var sh = this.opt.shadows, shadowColor = new dojo.Color([0, 0, 0, 0.3]),
|
||
|
|
spoly = dojo.map(lpoly, function(c){
|
||
|
|
return {x: c.x + sh.dx, y: c.y + sh.dy};
|
||
|
|
}),
|
||
|
|
shadowStroke = dojo.clone(outline ? outline : stroke);
|
||
|
|
shadowStroke.color = shadowColor;
|
||
|
|
shadowStroke.width += sh.dw ? sh.dw : 0;
|
||
|
|
if(this.opt.lines){
|
||
|
|
if(this.opt.tension){
|
||
|
|
run.dyn.shadow = s.createPath(dc.curve(spoly, this.opt.tension)).setStroke(shadowStroke).getStroke();
|
||
|
|
} else {
|
||
|
|
run.dyn.shadow = s.createPolyline(spoly).setStroke(shadowStroke).getStroke();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if(this.opt.markers){
|
||
|
|
shadowMarkers = dojo.map(spoly, function(c){
|
||
|
|
return s.createPath("M" + c.x + " " + c.y + " " + marker).
|
||
|
|
setStroke(shadowStroke).setFill(shadowColor);
|
||
|
|
}, this);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if(this.opt.lines){
|
||
|
|
if(outline){
|
||
|
|
if(this.opt.tension){
|
||
|
|
run.dyn.outline = s.createPath(lpath).setStroke(outline).getStroke();
|
||
|
|
} else {
|
||
|
|
run.dyn.outline = s.createPolyline(lpoly).setStroke(outline).getStroke();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if(this.opt.tension){
|
||
|
|
run.dyn.stroke = s.createPath(lpath).setStroke(stroke).getStroke();
|
||
|
|
} else {
|
||
|
|
run.dyn.stroke = s.createPolyline(lpoly).setStroke(stroke).getStroke();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if(this.opt.markers){
|
||
|
|
frontMarkers = new Array(lpoly.length);
|
||
|
|
outlineMarkers = new Array(lpoly.length);
|
||
|
|
dojo.forEach(lpoly, function(c, i){
|
||
|
|
var path = "M" + c.x + " " + c.y + " " + marker;
|
||
|
|
if(outline){
|
||
|
|
outlineMarkers[i] = s.createPath(path).setStroke(outline);
|
||
|
|
}
|
||
|
|
frontMarkers[i] = s.createPath(path).setStroke(stroke).setFill(stroke.color);
|
||
|
|
}, this);
|
||
|
|
if(events){
|
||
|
|
dojo.forEach(frontMarkers, function(s, i){
|
||
|
|
var o = {
|
||
|
|
element: "marker",
|
||
|
|
index: i,
|
||
|
|
run: run,
|
||
|
|
plot: this,
|
||
|
|
hAxis: this.hAxis || null,
|
||
|
|
vAxis: this.vAxis || null,
|
||
|
|
shape: s,
|
||
|
|
outline: outlineMarkers[i] || null,
|
||
|
|
shadow: shadowMarkers && shadowMarkers[i] || null,
|
||
|
|
cx: lpoly[i].x,
|
||
|
|
cy: lpoly[i].y
|
||
|
|
};
|
||
|
|
if(typeof run.data[0] == "number"){
|
||
|
|
o.x = i + 1;
|
||
|
|
o.y = run.data[i];
|
||
|
|
}else{
|
||
|
|
o.x = run.data[i].x;
|
||
|
|
o.y = run.data[i].y;
|
||
|
|
}
|
||
|
|
this._connectEvents(s, o);
|
||
|
|
}, this);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
run.dirty = false;
|
||
|
|
}
|
||
|
|
this.dirty = false;
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
})();
|