New file |
0,0 → 1,200 |
if(!dojo._hasResource["dojox.charting.widget.Chart2D"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. |
dojo._hasResource["dojox.charting.widget.Chart2D"] = true; |
dojo.provide("dojox.charting.widget.Chart2D"); |
|
dojo.require("dijit._Widget"); |
dojo.require("dojox.charting.Chart2D"); |
dojo.require("dojox.lang.functional"); |
|
(function(){ |
var collectAxisParams, collectPlotParams, collectDataParams, |
notNull = function(o){ return o; }, |
df = dojox.lang.functional, |
du = dojox.lang.utils; |
|
dojo.declare("dojox.charting.widget.Chart2D", dijit._Widget, { |
// parameters for the markup |
|
// theme for the chart |
theme: null, |
|
// margins for the chart: {l: 10, r: 10, t: 10, b: 10} |
margins: null, |
|
// chart area |
stroke: null, |
fill: null, |
|
// methods |
|
buildRendering: function(){ |
var n = this.domNode = this.srcNodeRef; |
|
// collect chart parameters |
var axes = dojo.filter(dojo.query("> .axis", n).map(collectAxisParams), notNull); |
var plots = dojo.filter(dojo.query("> .plot", n).map(collectPlotParams), notNull); |
var series = dojo.filter(dojo.query("> .series", n).map(collectDataParams), notNull); |
|
// build the chart |
n.innerHTML = ""; |
var c = this.chart = new dojox.charting.Chart2D(n, { |
margins: this.margins, |
stroke: this.stroke, |
fill: this.fill |
}); |
|
// add collected parameters |
if(this.theme){ |
c.setTheme(this.theme); |
} |
dojo.forEach(axes, function(axis){ |
c.addAxis(axis.name, axis.kwArgs); |
}); |
dojo.forEach(plots, function(plot){ |
c.addPlot(plot.name, plot.kwArgs); |
}); |
var render = df.foldl(series, function(render, series){ |
if(series.type == "data"){ |
c.addSeries(series.name, series.data, series.kwArgs); |
render = true; |
}else{ |
c.addSeries(series.name, [0], series.kwArgs); |
var kw = {}; |
du.updateWithPattern(kw, series.kwArgs, {"query": "", "queryOptions": null, "start": 0, "count": 1, "sort": []}, true); |
dojo.mixin(kw, { |
onComplete: function(data){ |
var values; |
if("valueFn" in series.kwArgs){ |
var fn = series.kwArgs.valueFn; |
values = dojo.map(data, function(x){ |
return fn(series.data.getValue(x, series.field, 0)); |
}); |
}else{ |
values = dojo.map(data, function(x){ |
return series.data.getValue(x, series.field, 0); |
}); |
} |
c.addSeries(series.name, values, series.kwArgs).render(); |
} |
}); |
series.data.fetch(kw); |
} |
return render; |
}, false); |
if(render){ c.render(); } |
}, |
resize: function(box){ |
dojo.marginBox(this.domNode, box); |
this.chart.resize(); |
} |
}); |
|
collectAxisParams = function(node){ |
var name = node.getAttribute("name"), type = node.getAttribute("type"); |
if(!name){ return null; } |
var o = {name: name, kwArgs: {}}, kw = o.kwArgs; |
if(type){ |
if(dojox.charting.axis2d[type]){ |
type = "dojox.charting.axis2d." + type; |
} |
var axis = eval("(" + type + ")"); |
if(axis){ kw.type = axis; } |
}else{ |
type = "dojox.charting.axis2d.Default"; |
} |
var dp = eval("(" + type + ".prototype.defaultParams)"); |
for(var x in dp){ |
if(x in kw){ continue; } |
var attr = node.getAttribute(x); |
kw[x] = du.coerceType(dp[x], attr == null ? dp[x] : attr); |
} |
var op = eval("(" + type + ".prototype.optionalParams)"); |
for(var x in op){ |
if(x in kw){ continue; } |
var attr = node.getAttribute(x); |
if(attr != null){ |
kw[x] = du.coerceType(op[x], attr); |
} |
} |
return o; |
}; |
|
collectPlotParams = function(node){ |
var name = node.getAttribute("name"), type = node.getAttribute("type"); |
if(!name){ return null; } |
var o = {name: name, kwArgs: {}}, kw = o.kwArgs; |
if(type){ |
if(dojox.charting.plot2d[type]){ |
type = "dojox.charting.plot2d." + type; |
} |
var plot = eval("(" + type + ")"); |
if(plot){ kw.type = plot; } |
}else{ |
type = "dojox.charting.plot2d.Default"; |
} |
var dp = eval("(" + type + ".prototype.defaultParams)"); |
for(var x in dp){ |
if(x in kw){ continue; } |
var attr = node.getAttribute(x); |
kw[x] = du.coerceType(dp[x], attr == null ? dp[x] : attr); |
} |
var op = eval("(" + type + ".prototype.optionalParams)"); |
for(var x in op){ |
if(x in kw){ continue; } |
var attr = node.getAttribute(x); |
if(attr != null){ |
kw[x] = du.coerceType(op[x], attr); |
} |
} |
return o; |
}; |
|
collectDataParams = function(node){ |
var name = node.getAttribute("name"); |
if(!name){ return null; } |
var o = {name: name, kwArgs: {}}, kw = o.kwArgs, t; |
t = node.getAttribute("plot"); |
if(t != null){ kw.plot = t; } |
t = node.getAttribute("marker"); |
if(t != null){ kw.marker = t; } |
t = node.getAttribute("stroke"); |
if(t != null){ kw.stroke = eval("(" + t + ")"); } |
t = node.getAttribute("fill"); |
if(t != null){ kw.fill = eval("(" + t + ")"); } |
t = node.getAttribute("data"); |
if(t != null){ |
o.type = "data"; |
o.data = dojo.map(String(t).split(','), Number); |
return o; |
} |
t = node.getAttribute("array"); |
if(t != null){ |
o.type = "data"; |
o.data = eval("(" + t + ")"); |
return o; |
} |
t = node.getAttribute("store"); |
if(t != null){ |
o.type = "store"; |
o.data = eval("(" + t + ")"); |
t = node.getAttribute("field"); |
o.field = t != null ? t : "value"; |
t = node.getAttribute("query"); |
if(t != null){ kw.query = t; } |
t = node.getAttribute("queryOptions"); |
if(t != null){ kw.queryOptions = eval("(" + t + ")"); } |
t = node.getAttribute("start"); |
if(t != null){ kw.start = Number(t); } |
t = node.getAttribute("count"); |
if(t != null){ kw.count = Number(t); } |
t = node.getAttribute("sort"); |
if(t != null){ kw.sort = eval("(" + t + ")"); } |
t = node.getAttribute("valueFn"); |
if(t != null){ kw.valueFn = df.lambda(t); } |
return o; |
} |
return null; |
}; |
})(); |
|
} |