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/Bars.js | 89 +++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 includes/js/dojox/charting/plot2d/Bars.js

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

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;
+		}
+	});
+})();
+
+}
-- 
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