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author | 2008-11-13 09:49:11 +0000 | |
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committer | 2008-11-13 09:49:11 +0000 | |
commit | e44a7e37b6c7b5961adaffc62b9042b8d442938e (patch) | |
tree | 95b67c356e93163467db2451f2b8cce84ed5d582 /includes/js/dojox/charting/plot2d/Bars.js | |
parent | a62b9742ee5e28bcec6872d88f50f25b820914f6 (diff) | |
download | scuttle-e44a7e37b6c7b5961adaffc62b9042b8d442938e.tar.gz scuttle-e44a7e37b6c7b5961adaffc62b9042b8d442938e.zip |
New feature: basic Ajax suggestion for tags and implementation of Dojo toolkit
git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@151 b3834d28-1941-0410-a4f8-b48e95affb8f
Diffstat (limited to 'includes/js/dojox/charting/plot2d/Bars.js')
-rw-r--r-- | includes/js/dojox/charting/plot2d/Bars.js | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/includes/js/dojox/charting/plot2d/Bars.js b/includes/js/dojox/charting/plot2d/Bars.js new file mode 100644 index 0000000..dd82b64 --- /dev/null +++ b/includes/js/dojox/charting/plot2d/Bars.js @@ -0,0 +1,89 @@ +if(!dojo._hasResource["dojox.charting.plot2d.Bars"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. +dojo._hasResource["dojox.charting.plot2d.Bars"] = true; +dojo.provide("dojox.charting.plot2d.Bars"); + +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.Bars", dojox.charting.plot2d.Base, { + defaultParams: { + hAxis: "x", // use a horizontal axis named "x" + vAxis: "y", // use a vertical axis named "y" + gap: 0, // gap between columns in pixels + shadows: null // draw shadows + }, + 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){ + var stats = dc.collectSimpleStats(this.series), t; + stats.hmin -= 0.5; + stats.hmax += 0.5; + t = stats.hmin, stats.hmin = stats.vmin, stats.vmin = t; + t = stats.hmax, stats.hmax = stats.vmax, stats.vmax = t; + this._calc(dim, stats); + return this; + }, + render: function(dim, offsets){ + 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, color, stroke, fill, f, + gap = this.opt.gap < this._vScaler.scale / 3 ? this.opt.gap : 0; + for(var i = this.series.length - 1; i >= 0; --i){ + var run = this.series[i]; + if(!this.dirty && !run.dirty){ continue; } + run.cleanGroup(); + var s = run.group; + if(!run.fill || !run.stroke){ + // need autogenerated color + color = run.dyn.color = new dojo.Color(t.next("color")); + } + stroke = run.stroke ? run.stroke : dc.augmentStroke(t.series.stroke, color); + fill = run.fill ? run.fill : dc.augmentFill(t.series.fill, color); + var baseline = Math.max(0, this._hScaler.bounds.lower), + xoff = offsets.l + this._hScaler.scale * (baseline - this._hScaler.bounds.lower), + yoff = dim.height - offsets.b - this._vScaler.scale * (1.5 - this._vScaler.bounds.lower) + gap; + for(var j = 0; j < run.data.length; ++j){ + var v = run.data[j], + width = this._hScaler.scale * (v - baseline), + height = this._vScaler.scale - 2 * gap, + w = Math.abs(width); + if(w >= 1 && height >= 1){ + var shape = s.createRect({ + x: xoff + (width < 0 ? width : 0), + y: yoff - this._vScaler.scale * j, + width: w, height: height + }).setFill(fill).setStroke(stroke); + run.dyn.fill = shape.getFill(); + run.dyn.stroke = shape.getStroke(); + } + } + run.dirty = false; + } + this.dirty = false; + return this; + } + }); +})(); + +} |