From e44a7e37b6c7b5961adaffc62b9042b8d442938e Mon Sep 17 00:00:00 2001
From: mensonge <mensonge@b3834d28-1941-0410-a4f8-b48e95affb8f>
Date: Thu, 13 Nov 2008 09:49:11 +0000
Subject: 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
---
 includes/js/dojox/charting/plot2d/StackedBars.js | 85 ++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 includes/js/dojox/charting/plot2d/StackedBars.js

(limited to 'includes/js/dojox/charting/plot2d/StackedBars.js')

diff --git a/includes/js/dojox/charting/plot2d/StackedBars.js b/includes/js/dojox/charting/plot2d/StackedBars.js
new file mode 100644
index 0000000..e5c9c22
--- /dev/null
+++ b/includes/js/dojox/charting/plot2d/StackedBars.js
@@ -0,0 +1,85 @@
+if(!dojo._hasResource["dojox.charting.plot2d.StackedBars"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.charting.plot2d.StackedBars"] = true;
+dojo.provide("dojox.charting.plot2d.StackedBars");
+
+dojo.require("dojox.charting.plot2d.common");
+dojo.require("dojox.charting.plot2d.Bars");
+
+dojo.require("dojox.lang.functional");
+dojo.require("dojox.lang.functional.reversed");
+
+(function(){
+	var df = dojox.lang.functional, dc = dojox.charting.plot2d.common,
+		purgeGroup = df.lambda("item.purgeGroup()");
+
+	dojo.declare("dojox.charting.plot2d.StackedBars", dojox.charting.plot2d.Bars, {
+		calculateAxes: function(dim){
+			var stats = dc.collectStackedStats(this.series), t;
+			this._maxRunLength = stats.hmax;
+			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){
+			// stack all values
+			var acc = df.repeat(this._maxRunLength, "-> 0", 0);
+			for(var i = 0; i < this.series.length; ++i){
+				var run = this.series[i];
+				for(var j = 0; j < run.data.length; ++j){
+					var v = run.data[j];
+					if(isNaN(v)){ v = 0; }
+					acc[j] += v;
+				}
+			}
+			// draw runs in backwards
+			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);
+				for(var j = 0; j < acc.length; ++j){
+					var v = acc[j],
+						width  = this._hScaler.scale * (v - this._hScaler.bounds.lower),
+						height = this._vScaler.scale - 2 * gap;
+					if(width >= 1 && height >= 1){
+						var shape = s.createRect({
+							x: offsets.l,
+							y: dim.height - offsets.b - this._vScaler.scale * (j + 1.5 - this._vScaler.bounds.lower) + gap,
+							width: width, height: height
+						}).setFill(fill).setStroke(stroke);
+						run.dyn.fill   = shape.getFill();
+						run.dyn.stroke = shape.getStroke();
+					}
+				}
+				run.dirty = false;
+				// update the accumulator
+				for(var j = 0; j < run.data.length; ++j){
+					var v = run.data[j];
+					if(isNaN(v)){ v = 0; }
+					acc[j] -= v;
+				}
+			}
+			this.dirty = false;
+			return this;
+		}
+	});
+})();
+
+}
-- 
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