-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