source: [view]
if(this.zoom && !this.isDataDirty()){
return this.performZoom(dim, offsets);
}
this.resetEvents();
this.dirty = this.isDirty();
if(this.dirty){
dojo.forEach(this.series, purgeGroup);
this._eventSeries = {};
this.cleanGroup();
var s = this.group;
df.forEachRev(this.series, function(item){ item.cleanGroup(s); });
}
var t = this.chart.theme, events = this.events();
for(var i = this.series.length - 1; i >= 0; --i){
var run = this.series[i];
if(!this.dirty && !run.dirty){
t.skip();
this._reconnectEvents(run.name);
continue;
}
run.cleanGroup();
if(!run.data.length){
run.dirty = false;
t.skip();
continue;
}
var theme = t.next("marker", [this.opt, run]), 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);
}
var shadowMarkers = new Array(lpoly.length),
frontMarkers = new Array(lpoly.length),
outlineMarkers = new Array(lpoly.length);
dojo.forEach(lpoly, function(c, i){
var finalTheme = typeof run.data[i] == "number" ?
t.post(theme, "marker") :
t.addMixin(theme, "marker", run.data[i], true),
path = "M" + c.x + " " + c.y + " " + finalTheme.symbol;
if(finalTheme.marker.shadow){
shadowMarkers[i] = s.createPath("M" + (c.x + finalTheme.marker.shadow.dx) + " " +
(c.y + finalTheme.marker.shadow.dy) + " " + finalTheme.symbol).
setStroke(finalTheme.marker.shadow).setFill(finalTheme.marker.shadow.color);
if(this.animate){
this._animateScatter(shadowMarkers[i], dim.height - offsets.b);
}
}
if(finalTheme.marker.outline){
var outline = dc.makeStroke(finalTheme.marker.outline);
outline.width = 2 * outline.width + finalTheme.marker.stroke.width;
outlineMarkers[i] = s.createPath(path).setStroke(outline);
if(this.animate){
this._animateScatter(outlineMarkers[i], dim.height - offsets.b);
}
}
var stroke = dc.makeStroke(finalTheme.marker.stroke),
fill = this._plotFill(finalTheme.marker.fill, dim, offsets);
if(fill && (fill.type === "linear" || fill.type == "radial")){
var color = dojox.gfx.gradutils.getColor(fill, {x: c.x, y: c.y});
if(stroke){
stroke.color = color;
}
frontMarkers[i] = s.createPath(path).setStroke(stroke).setFill(color);
}else{
frontMarkers[i] = s.createPath(path).setStroke(stroke).setFill(fill);
}
if(this.animate){
this._animateScatter(frontMarkers[i], dim.height - offsets.b);
}
}, this);
if(frontMarkers.length){
run.dyn.stroke = frontMarkers[frontMarkers.length - 1].getStroke();
run.dyn.fill = frontMarkers[frontMarkers.length - 1].getFill();
}
if(events){
var eventSeries = new Array(frontMarkers.length);
dojo.forEach(frontMarkers, function(s, i){
var o = {
element: "marker",
index: i,
run: run,
shape: s,
outline: outlineMarkers && 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(o);
eventSeries[i] = o;
}, this);
this._eventSeries[run.name] = eventSeries;
}else{
delete this._eventSeries[run.name];
}
run.dirty = false;
}
this.dirty = false;
return this; // dojox.charting.plot2d.Scatter