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Diffstat (limited to 'js/dojo-1.7.2/dojox/charting/plot2d/Scatter.js')
| -rw-r--r-- | js/dojo-1.7.2/dojox/charting/plot2d/Scatter.js | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/js/dojo-1.7.2/dojox/charting/plot2d/Scatter.js b/js/dojo-1.7.2/dojox/charting/plot2d/Scatter.js new file mode 100644 index 0000000..7f6f68c --- /dev/null +++ b/js/dojo-1.7.2/dojox/charting/plot2d/Scatter.js @@ -0,0 +1,189 @@ +//>>built +define("dojox/charting/plot2d/Scatter", ["dojo/_base/lang", "dojo/_base/array", "dojo/_base/declare", "./Base", "./common", + "dojox/lang/functional", "dojox/lang/functional/reversed", "dojox/lang/utils", "dojox/gfx/fx", "dojox/gfx/gradutils"], + function(lang, arr, declare, Base, dc, df, dfr, du, fx, gradutils){ +/*===== +var Base = dojox.charting.plot2d.Base; +=====*/ + var purgeGroup = dfr.lambda("item.purgeGroup()"); + + return declare("dojox.charting.plot2d.Scatter", Base, { + // summary: + // A plot object representing a typical scatter chart. + defaultParams: { + hAxis: "x", // use a horizontal axis named "x" + vAxis: "y", // use a vertical axis named "y" + shadows: null, // draw shadows + animate: null // animate chart to place + }, + optionalParams: { + // theme component + markerStroke: {}, + markerOutline: {}, + markerShadow: {}, + markerFill: {}, + markerFont: "", + markerFontColor: "" + }, + + constructor: function(chart, kwArgs){ + // summary: + // Create the scatter plot. + // chart: dojox.charting.Chart + // The chart this plot belongs to. + // kwArgs: dojox.charting.plot2d.__DefaultCtorArgs? + // An optional keyword arguments object to help define this plot's parameters. + this.opt = lang.clone(this.defaultParams); + du.updateWithObject(this.opt, kwArgs); + du.updateWithPattern(this.opt, kwArgs, this.optionalParams); + this.series = []; + this.hAxis = this.opt.hAxis; + this.vAxis = this.opt.vAxis; + this.animate = this.opt.animate; + }, + + render: function(dim, offsets){ + // summary: + // Run the calculations for any axes for this plot. + // dim: Object + // An object in the form of { width, height } + // offsets: Object + // An object of the form { l, r, t, b}. + // returns: dojox.charting.plot2d.Scatter + // A reference to this plot for functional chaining. + if(this.zoom && !this.isDataDirty()){ + return this.performZoom(dim, offsets); + } + this.resetEvents(); + this.dirty = this.isDirty(); + if(this.dirty){ + arr.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 = arr.map(run.data, function(v, i){ + return { + x: ht(i + 1) + offsets.l, + y: dim.height - offsets.b - vt(v) + }; + }, this); + }else{ + lpoly = arr.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); + + arr.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 = 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); + arr.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 + }, + _animateScatter: function(shape, offset){ + fx.animateTransform(lang.delegate({ + shape: shape, + duration: 1200, + transform: [ + {name: "translate", start: [0, offset], end: [0, 0]}, + {name: "scale", start: [0, 0], end: [1, 1]}, + {name: "original"} + ] + }, this.animate)).play(); + } + }); +}); |