--- /dev/null
+if(!dojo._hasResource["dojox.charting.axis2d.Default"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.charting.axis2d.Default"] = true;
+dojo.provide("dojox.charting.axis2d.Default");
+
+dojo.require("dojox.charting.scaler");
+dojo.require("dojox.charting.axis2d.common");
+dojo.require("dojox.charting.axis2d.Base");
+
+dojo.require("dojo.colors");
+dojo.require("dojox.gfx");
+dojo.require("dojox.lang.functional");
+dojo.require("dojox.lang.utils");
+
+(function(){
+ var dc = dojox.charting,
+ df = dojox.lang.functional,
+ du = dojox.lang.utils,
+ g = dojox.gfx,
+ labelGap = 4; // in pixels
+
+ var eq = function(/* Number */ a, /* Number */ b){
+ // summary: compare two FP numbers for equality
+ return Math.abs(a - b) <= 1e-6 * (Math.abs(a) + Math.abs(b)); // Boolean
+ };
+
+ dojo.declare("dojox.charting.axis2d.Default", dojox.charting.axis2d.Base, {
+ defaultParams: {
+ vertical: false, // true for vertical axis
+ fixUpper: "none", // align the upper on ticks: "major", "minor", "micro", "none"
+ fixLower: "none", // align the lower on ticks: "major", "minor", "micro", "none"
+ natural: false, // all tick marks should be made on natural numbers
+ leftBottom: true, // position of the axis, used with "vertical"
+ includeZero: false, // 0 should be included
+ fixed: true, // all labels are fixed numbers
+ majorLabels: true, // draw major labels
+ minorTicks: true, // draw minor ticks
+ minorLabels: true, // draw minor labels
+ microTicks: false, // draw micro ticks
+ htmlLabels: true // use HTML to draw labels
+ },
+ optionalParams: {
+ "min": 0, // minimal value on this axis
+ "max": 1, // maximal value on this axis
+ "majorTickStep": 4, // major tick step
+ "minorTickStep": 2, // minor tick step
+ "microTickStep": 1, // micro tick step
+ "labels": [], // array of labels for major ticks
+ // with corresponding numeric values
+ // ordered by values
+ // theme components
+ "stroke": {}, // stroke for an axis
+ "majorTick": {}, // stroke + length for a tick
+ "minorTick": {}, // stroke + length for a tick
+ "font": "", // font for labels
+ "fontColor": "" // color for labels as a string
+ },
+
+ constructor: function(chart, kwArgs){
+ this.opt = dojo.clone(this.defaultParams);
+ du.updateWithObject(this.opt, kwArgs);
+ du.updateWithPattern(this.opt, kwArgs, this.optionalParams);
+ },
+ dependOnData: function(){
+ return !("min" in this.opt) || !("max" in this.opt);
+ },
+ clear: function(){
+ delete this.scaler;
+ this.dirty = true;
+ return this;
+ },
+ initialized: function(){
+ return "scaler" in this;
+ },
+ calculate: function(min, max, span, labels){
+ if(this.initialized()){ return this; }
+ this.labels = "labels" in this.opt ? this.opt.labels : labels;
+ if("min" in this.opt){ min = this.opt.min; }
+ if("max" in this.opt){ max = this.opt.max; }
+ if(this.opt.includeZero){
+ if(min > 0){ min = 0; }
+ if(max < 0){ max = 0; }
+ }
+ var minMinorStep = 0, ta = this.chart.theme.axis,
+ taFont = "font" in this.opt ? this.opt.font : ta.font,
+ size = taFont ? g.normalizedLength(g.splitFontString(taFont).size) : 0;
+ if(this.vertical){
+ if(size){
+ minMinorStep = size + labelGap;
+ }
+ }else{
+ if(size){
+ var labelWidth, i;
+ if(this.labels){
+ labelWidth = df.foldl(df.map(this.labels, function(label){
+ return dojox.gfx._base._getTextBox(label.text, {font: taFont}).w;
+ }), "Math.max(a, b)", 0);
+ }else{
+ var labelLength = Math.ceil(Math.log(Math.max(Math.abs(min), Math.abs(max))) / Math.LN10), t = [];
+ if(min < 0 || max < 0){ t.push("-"); }
+ for(i = 0; i < labelLength; ++i){ t.push("9"); }
+ var precision = Math.floor(Math.log(max - min) / Math.LN10);
+ if(precision > 0){
+ t.push(".");
+ for(i = 0; i < precision; ++i){ t.push("9"); }
+ }
+ labelWidth = dojox.gfx._base._getTextBox(t.join(""), {font: taFont}).w;
+ }
+ minMinorStep = labelWidth + labelGap;
+ }
+ }
+ var kwArgs = {
+ fixUpper: this.opt.fixUpper,
+ fixLower: this.opt.fixLower,
+ natural: this.opt.natural
+ };
+ if("majorTickStep" in this.opt){ kwArgs.majorTick = this.opt.majorTickStep; }
+ if("minorTickStep" in this.opt){ kwArgs.minorTick = this.opt.minorTickStep; }
+ if("microTickStep" in this.opt){ kwArgs.microTick = this.opt.microTickStep; }
+ this.scaler = dojox.charting.scaler(min, max, span, kwArgs);
+ this.scaler.minMinorStep = minMinorStep;
+ return this;
+ },
+ getScaler: function(){
+ return this.scaler;
+ },
+ getOffsets: function(){
+ var offsets = {l: 0, r: 0, t: 0, b: 0}, s, labelWidth, gtb, a, b, c, d;
+ var offset = 0, ta = this.chart.theme.axis,
+ taFont = "font" in this.opt ? this.opt.font : ta.font,
+ taMajorTick = "majorTick" in this.opt ? this.opt.majorTick : ta.majorTick,
+ taMinorTick = "minorTick" in this.opt ? this.opt.minorTick : ta.minorTick,
+ size = taFont ? g.normalizedLength(g.splitFontString(taFont).size) : 0;
+ if(this.vertical){
+ if(size){
+ s = this.scaler;
+ if(this.labels){
+ labelWidth = df.foldl(df.map(this.labels, function(label){
+ return dojox.gfx._base._getTextBox(label.text, {font: taFont}).w;
+ }), "Math.max(a, b)", 0);
+ }else{
+ gtb = dojox.gfx._base._getTextBox;
+ a = gtb(this._getLabel(s.major.start, s.major.prec), {font: taFont}).w;
+ b = gtb(this._getLabel(s.major.start + s.major.count * s.major.tick, s.major.prec), {font: taFont}).w;
+ c = gtb(this._getLabel(s.minor.start, s.minor.prec), {font: taFont}).w;
+ d = gtb(this._getLabel(s.minor.start + s.minor.count * s.minor.tick, s.minor.prec), {font: taFont}).w;
+ labelWidth = Math.max(a, b, c, d);
+ }
+ offset = labelWidth + labelGap;
+ }
+ offset += labelGap + Math.max(taMajorTick.length, taMinorTick.length);
+ offsets[this.opt.leftBottom ? "l" : "r"] = offset;
+ offsets.t = offsets.b = size / 2;
+ }else{
+ if(size){
+ offset = size + labelGap;
+ }
+ offset += labelGap + Math.max(taMajorTick.length, taMinorTick.length);
+ offsets[this.opt.leftBottom ? "b" : "t"] = offset;
+ if(size){
+ s = this.scaler;
+ if(this.labels){
+ labelWidth = df.foldl(df.map(this.labels, function(label){
+ return dojox.gfx._base._getTextBox(label.text, {font: taFont}).w;
+ }), "Math.max(a, b)", 0);
+ }else{
+ gtb = dojox.gfx._base._getTextBox;
+ a = gtb(this._getLabel(s.major.start, s.major.prec), {font: taFont}).w;
+ b = gtb(this._getLabel(s.major.start + s.major.count * s.major.tick, s.major.prec), {font: taFont}).w;
+ c = gtb(this._getLabel(s.minor.start, s.minor.prec), {font: taFont}).w;
+ d = gtb(this._getLabel(s.minor.start + s.minor.count * s.minor.tick, s.minor.prec), {font: taFont}).w;
+ labelWidth = Math.max(a, b, c, d);
+ }
+ offsets.l = offsets.r = labelWidth / 2;
+ }
+ }
+ return offsets;
+ },
+ render: function(dim, offsets){
+ if(!this.dirty){ return this; }
+ // prepare variable
+ var start, stop, axisVector, tickVector, labelOffset, labelAlign,
+ ta = this.chart.theme.axis,
+ taStroke = "stroke" in this.opt ? this.opt.stroke : ta.stroke,
+ taMajorTick = "majorTick" in this.opt ? this.opt.majorTick : ta.majorTick,
+ taMinorTick = "minorTick" in this.opt ? this.opt.minorTick : ta.minorTick,
+ taFont = "font" in this.opt ? this.opt.font : ta.font,
+ taFontColor = "fontColor" in this.opt ? this.opt.fontColor : ta.fontColor,
+ tickSize = Math.max(taMajorTick.length, taMinorTick.length),
+ size = taFont ? g.normalizedLength(g.splitFontString(taFont).size) : 0;
+ if(this.vertical){
+ start = {y: dim.height - offsets.b};
+ stop = {y: offsets.t};
+ axisVector = {x: 0, y: -1};
+ if(this.opt.leftBottom){
+ start.x = stop.x = offsets.l;
+ tickVector = {x: -1, y: 0};
+ labelAlign = "end";
+ }else{
+ start.x = stop.x = dim.width - offsets.r;
+ tickVector = {x: 1, y: 0};
+ labelAlign = "start";
+ }
+ labelOffset = {x: tickVector.x * (tickSize + labelGap), y: size * 0.4};
+ }else{
+ start = {x: offsets.l};
+ stop = {x: dim.width - offsets.r};
+ axisVector = {x: 1, y: 0};
+ labelAlign = "middle";
+ if(this.opt.leftBottom){
+ start.y = stop.y = dim.height - offsets.b;
+ tickVector = {x: 0, y: 1};
+ labelOffset = {y: tickSize + labelGap + size};
+ }else{
+ start.y = stop.y = offsets.t;
+ tickVector = {x: 0, y: -1};
+ labelOffset = {y: -tickSize - labelGap};
+ }
+ labelOffset.x = 0;
+ }
+
+ // render shapes
+ this.cleanGroup();
+ var s = this.group, c = this.scaler, step, next,
+ nextMajor = c.major.start, nextMinor = c.minor.start, nextMicro = c.micro.start;
+ s.createLine({x1: start.x, y1: start.y, x2: stop.x, y2: stop.y}).setStroke(taStroke);
+ if(this.opt.microTicks && c.micro.tick){
+ step = c.micro.tick, next = nextMicro;
+ }else if(this.opt.minorTicks && c.minor.tick){
+ step = c.minor.tick, next = nextMinor;
+ }else if(c.major.tick){
+ step = c.major.tick, next = nextMajor;
+ }else{
+ // don't draw anything
+ return this;
+ }
+ while(next <= c.bounds.upper + 1/c.scale){
+ var offset = (next - c.bounds.lower) * c.scale,
+ x = start.x + axisVector.x * offset,
+ y = start.y + axisVector.y * offset, elem;
+ if(Math.abs(nextMajor - next) < step / 2){
+ // major tick
+ s.createLine({
+ x1: x, y1: y,
+ x2: x + tickVector.x * taMajorTick.length,
+ y2: y + tickVector.y * taMajorTick.length
+ }).setStroke(taMajorTick);
+ if(this.opt.majorLabels){
+ elem = dc.axis2d.common.createText[this.opt.htmlLabels && dojox.gfx.renderer != "vml" ? "html" : "gfx"]
+ (this.chart, s, x + labelOffset.x, y + labelOffset.y, labelAlign,
+ this._getLabel(nextMajor, c.major.prec), taFont, taFontColor);
+ if(this.opt.htmlLabels){ this.htmlElements.push(elem); }
+ }
+ nextMajor += c.major.tick;
+ nextMinor += c.minor.tick;
+ nextMicro += c.micro.tick;
+ }else if(Math.abs(nextMinor - next) < step / 2){
+ // minor tick
+ if(this.opt.minorTicks){
+ s.createLine({
+ x1: x, y1: y,
+ x2: x + tickVector.x * taMinorTick.length,
+ y2: y + tickVector.y * taMinorTick.length
+ }).setStroke(taMinorTick);
+ if(this.opt.minorLabels && (c.minMinorStep <= c.minor.tick * c.scale)){
+ elem = dc.axis2d.common.createText[this.opt.htmlLabels && dojox.gfx.renderer != "vml" ? "html" : "gfx"]
+ (this.chart, s, x + labelOffset.x, y + labelOffset.y, labelAlign,
+ this._getLabel(nextMinor, c.minor.prec), taFont, taFontColor);
+ if(this.opt.htmlLabels){ this.htmlElements.push(elem); }
+ }
+ }
+ nextMinor += c.minor.tick;
+ nextMicro += c.micro.tick;
+ }else{
+ // micro tick
+ if(this.opt.microTicks){
+ s.createLine({
+ x1: x, y1: y,
+ // use minor ticks for now
+ x2: x + tickVector.x * taMinorTick.length,
+ y2: y + tickVector.y * taMinorTick.length
+ }).setStroke(taMinorTick);
+ }
+ nextMicro += c.micro.tick;
+ }
+ next += step;
+ }
+ this.dirty = false;
+ return this;
+ },
+
+ // utilities
+ _getLabel: function(number, precision){
+ if(this.opt.labels){
+ // classic binary search
+ var l = this.opt.labels, lo = 0, hi = l.length;
+ while(lo < hi){
+ var mid = Math.floor((lo + hi) / 2), val = l[mid].value;
+ if(val < number){
+ lo = mid + 1;
+ }else{
+ hi = mid;
+ }
+ }
+ // lets take into account FP errors
+ if(lo < l.length && eq(l[lo].value, number)){
+ return l[lo].text;
+ }
+ --lo;
+ if(lo < l.length && eq(l[lo].value, number)){
+ return l[lo].text;
+ }
+ lo += 2;
+ if(lo < l.length && eq(l[lo].value, number)){
+ return l[lo].text;
+ }
+ // otherwise we will produce a number
+ }
+ return this.opt.fixed ? number.toFixed(precision < 0 ? -precision : 0) : number.toString();
+ }
+ });
+})();
+
+}
projects / eow / blobdiff