File size: 45,487 Bytes
bc63d7d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 | /**
* jqPlot
* Pure JavaScript plotting plugin using jQuery
*
* Version: @VERSION
* Revision: @REVISION
*
* Copyright (c) 2009-2013 Chris Leonello
* jqPlot is currently available for use in all personal or commercial projects
* under both the MIT (http://www.opensource.org/licenses/mit-license.php) and GPL
* version 2.0 (http://www.gnu.org/licenses/gpl-2.0.html) licenses. This means that you can
* choose the license that best suits your project and use it accordingly.
*
* Although not required, the author would appreciate an email letting him
* know of any substantial use of jqPlot. You can reach the author at:
* chris at jqplot dot com or see http://www.jqplot.com/info.php .
*
* If you are feeling kind and generous, consider supporting the project by
* making a donation at: http://www.jqplot.com/donate.php .
*
* sprintf functions contained in jqplot.sprintf.js by Ash Searle:
*
* version 2007.04.27
* author Ash Searle
* http://hexmen.com/blog/2007/03/printf-sprintf/
* http://hexmen.com/js/sprintf.js
* The author (Ash Searle) has placed this code in the public domain:
* "This code is unrestricted: you are free to use it however you like."
*
*/
(function($) {
// class: $.jqplot.LinearAxisRenderer
// The default jqPlot axis renderer, creating a numeric axis.
$.jqplot.LinearAxisRenderer = function() {
};
// called with scope of axis object.
$.jqplot.LinearAxisRenderer.prototype.init = function(options){
// prop: breakPoints
// EXPERIMENTAL!! Use at your own risk!
// Works only with linear axes and the default tick renderer.
// Array of [start, stop] points to create a broken axis.
// Broken axes have a "jump" in them, which is an immediate
// transition from a smaller value to a larger value.
// Currently, axis ticks MUST be manually assigned if using breakPoints
// by using the axis ticks array option.
this.breakPoints = null;
// prop: breakTickLabel
// Label to use at the axis break if breakPoints are specified.
this.breakTickLabel = "≈";
// prop: drawBaseline
// True to draw the axis baseline.
this.drawBaseline = true;
// prop: baselineWidth
// width of the baseline in pixels.
this.baselineWidth = null;
// prop: baselineColor
// CSS color spec for the baseline.
this.baselineColor = null;
// prop: forceTickAt0
// This will ensure that there is always a tick mark at 0.
// If data range is strictly positive or negative,
// this will force 0 to be inside the axis bounds unless
// the appropriate axis pad (pad, padMin or padMax) is set
// to 0, then this will force an axis min or max value at 0.
// This has know effect when any of the following options
// are set: autoscale, min, max, numberTicks or tickInterval.
this.forceTickAt0 = false;
// prop: forceTickAt100
// This will ensure that there is always a tick mark at 100.
// If data range is strictly above or below 100,
// this will force 100 to be inside the axis bounds unless
// the appropriate axis pad (pad, padMin or padMax) is set
// to 0, then this will force an axis min or max value at 100.
// This has know effect when any of the following options
// are set: autoscale, min, max, numberTicks or tickInterval.
this.forceTickAt100 = false;
// prop: tickInset
// Controls the amount to inset the first and last ticks from
// the edges of the grid, in multiples of the tick interval.
// 0 is no inset, 0.5 is one half a tick interval, 1 is a full
// tick interval, etc.
this.tickInset = 0;
// prop: minorTicks
// Number of ticks to add between "major" ticks.
// Major ticks are ticks supplied by user or auto computed.
// Minor ticks cannot be created by user.
this.minorTicks = 0;
// prop: alignTicks
// true to align tick marks across opposed axes
// such as from the y2axis to yaxis.
this.alignTicks = false;
this._autoFormatString = '';
this._overrideFormatString = false;
this._scalefact = 1.0;
$.extend(true, this, options);
if (this.breakPoints) {
if (!$.isArray(this.breakPoints)) {
this.breakPoints = null;
}
else if (this.breakPoints.length < 2 || this.breakPoints[1] <= this.breakPoints[0]) {
this.breakPoints = null;
}
}
if (this.numberTicks != null && this.numberTicks < 2) {
this.numberTicks = 2;
}
this.resetDataBounds();
};
// called with scope of axis
$.jqplot.LinearAxisRenderer.prototype.draw = function(ctx, plot) {
if (this.show) {
// populate the axis label and value properties.
// createTicks is a method on the renderer, but
// call it within the scope of the axis.
this.renderer.createTicks.call(this, plot);
// fill a div with axes labels in the right direction.
// Need to pregenerate each axis to get its bounds and
// position it and the labels correctly on the plot.
var dim=0;
var temp;
// Added for theming.
if (this._elem) {
// Memory Leaks patch
//this._elem.empty();
this._elem.emptyForce();
this._elem = null;
}
this._elem = $(document.createElement('div'));
this._elem.addClass('jqplot-axis jqplot-'+this.name);
this._elem.css('position', 'absolute');
if (this.name == 'xaxis' || this.name == 'x2axis') {
this._elem.width(this._plotDimensions.width);
}
else {
this._elem.height(this._plotDimensions.height);
}
// create a _label object.
this.labelOptions.axis = this.name;
this._label = new this.labelRenderer(this.labelOptions);
if (this._label.show) {
var elem = this._label.draw(ctx, plot);
elem.appendTo(this._elem);
elem = null;
}
var t = this._ticks;
var tick;
for (var i=0; i<t.length; i++) {
tick = t[i];
if (tick.show && tick.showLabel && (!tick.isMinorTick || this.showMinorTicks)) {
this._elem.append(tick.draw(ctx, plot));
}
}
tick = null;
t = null;
}
return this._elem;
};
// called with scope of an axis
$.jqplot.LinearAxisRenderer.prototype.reset = function() {
this.min = this._options.min;
this.max = this._options.max;
this.tickInterval = this._options.tickInterval;
this.numberTicks = this._options.numberTicks;
this._autoFormatString = '';
if (this._overrideFormatString && this.tickOptions && this.tickOptions.formatString) {
this.tickOptions.formatString = '';
}
// this._ticks = this.__ticks;
};
// called with scope of axis
$.jqplot.LinearAxisRenderer.prototype.set = function() {
var dim = 0;
var temp;
var w = 0;
var h = 0;
var lshow = (this._label == null) ? false : this._label.show;
if (this.show) {
var t = this._ticks;
var tick;
for (var i=0; i<t.length; i++) {
tick = t[i];
if (!tick._breakTick && tick.show && tick.showLabel && (!tick.isMinorTick || this.showMinorTicks)) {
if (this.name == 'xaxis' || this.name == 'x2axis') {
temp = tick._elem.outerHeight(true);
}
else {
temp = tick._elem.outerWidth(true);
}
if (temp > dim) {
dim = temp;
}
}
}
tick = null;
t = null;
if (lshow) {
w = this._label._elem.outerWidth(true);
h = this._label._elem.outerHeight(true);
}
if (this.name == 'xaxis') {
dim = dim + h;
this._elem.css({'height':dim+'px', left:'0px', bottom:'0px'});
}
else if (this.name == 'x2axis') {
dim = dim + h;
this._elem.css({'height':dim+'px', left:'0px', top:'0px'});
}
else if (this.name == 'yaxis') {
dim = dim + w;
this._elem.css({'width':dim+'px', left:'0px', top:'0px'});
if (lshow && this._label.constructor == $.jqplot.AxisLabelRenderer) {
this._label._elem.css('width', w+'px');
}
}
else {
dim = dim + w;
this._elem.css({'width':dim+'px', right:'0px', top:'0px'});
if (lshow && this._label.constructor == $.jqplot.AxisLabelRenderer) {
this._label._elem.css('width', w+'px');
}
}
}
};
// called with scope of axis
$.jqplot.LinearAxisRenderer.prototype.createTicks = function(plot) {
// we're are operating on an axis here
var ticks = this._ticks;
var userTicks = this.ticks;
var name = this.name;
// databounds were set on axis initialization.
var db = this._dataBounds;
var dim = (this.name.charAt(0) === 'x') ? this._plotDimensions.width : this._plotDimensions.height;
var interval;
var min, max;
var pos1, pos2;
var tt, i;
// get a copy of user's settings for min/max.
var userMin = this.min;
var userMax = this.max;
var userNT = this.numberTicks;
var userTI = this.tickInterval;
var threshold = 30;
this._scalefact = (Math.max(dim, threshold+1) - threshold)/300.0;
// if we already have ticks, use them.
// ticks must be in order of increasing value.
if (userTicks.length) {
// ticks could be 1D or 2D array of [val, val, ,,,] or [[val, label], [val, label], ...] or mixed
for (i=0; i<userTicks.length; i++){
var ut = userTicks[i];
var t = new this.tickRenderer(this.tickOptions);
if ($.isArray(ut)) {
t.value = ut[0];
if (this.breakPoints) {
if (ut[0] == this.breakPoints[0]) {
t.label = this.breakTickLabel;
t._breakTick = true;
t.showGridline = false;
t.showMark = false;
}
else if (ut[0] > this.breakPoints[0] && ut[0] <= this.breakPoints[1]) {
t.show = false;
t.showGridline = false;
t.label = ut[1];
}
else {
t.label = ut[1];
}
}
else {
t.label = ut[1];
}
t.setTick(ut[0], this.name);
this._ticks.push(t);
}
else if ($.isPlainObject(ut)) {
$.extend(true, t, ut);
t.axis = this.name;
this._ticks.push(t);
}
else {
t.value = ut;
if (this.breakPoints) {
if (ut == this.breakPoints[0]) {
t.label = this.breakTickLabel;
t._breakTick = true;
t.showGridline = false;
t.showMark = false;
}
else if (ut > this.breakPoints[0] && ut <= this.breakPoints[1]) {
t.show = false;
t.showGridline = false;
}
}
t.setTick(ut, this.name);
this._ticks.push(t);
}
}
this.numberTicks = userTicks.length;
this.min = this._ticks[0].value;
this.max = this._ticks[this.numberTicks-1].value;
this.tickInterval = (this.max - this.min) / (this.numberTicks - 1);
}
// we don't have any ticks yet, let's make some!
else {
if (name == 'xaxis' || name == 'x2axis') {
dim = this._plotDimensions.width;
}
else {
dim = this._plotDimensions.height;
}
var _numberTicks = this.numberTicks;
// if aligning this axis, use number of ticks from previous axis.
// Do I need to reset somehow if alignTicks is changed and then graph is replotted??
if (this.alignTicks) {
if (this.name === 'x2axis' && plot.axes.xaxis.show) {
_numberTicks = plot.axes.xaxis.numberTicks;
}
else if (this.name.charAt(0) === 'y' && this.name !== 'yaxis' && this.name !== 'yMidAxis' && plot.axes.yaxis.show) {
_numberTicks = plot.axes.yaxis.numberTicks;
}
}
min = ((this.min != null) ? this.min : db.min);
max = ((this.max != null) ? this.max : db.max);
var range = max - min;
var rmin, rmax;
var temp;
if (this.tickOptions == null || !this.tickOptions.formatString) {
this._overrideFormatString = true;
}
// Doing complete autoscaling
if (this.min == null || this.max == null && this.tickInterval == null && !this.autoscale) {
// Check if user must have tick at 0 or 100 and ensure they are in range.
// The autoscaling algorithm will always place ticks at 0 and 100 if they are in range.
if (this.forceTickAt0) {
if (min > 0) {
min = 0;
}
if (max < 0) {
max = 0;
}
}
if (this.forceTickAt100) {
if (min > 100) {
min = 100;
}
if (max < 100) {
max = 100;
}
}
var keepMin = false,
keepMax = false;
if (this.min != null) {
keepMin = true;
}
else if (this.max != null) {
keepMax = true;
}
// var threshold = 30;
// var tdim = Math.max(dim, threshold+1);
// this._scalefact = (tdim-threshold)/300.0;
var ret = $.jqplot.LinearTickGenerator(min, max, this._scalefact, _numberTicks, keepMin, keepMax);
// calculate a padded max and min, points should be less than these
// so that they aren't too close to the edges of the plot.
// User can adjust how much padding is allowed with pad, padMin and PadMax options.
// If min or max is set, don't pad that end of axis.
var tumin = (this.min != null) ? min : min + range*(this.padMin - 1);
var tumax = (this.max != null) ? max : max - range*(this.padMax - 1);
// if they're equal, we shouldn't have to do anything, right?
// if (min <=tumin || max >= tumax) {
if (min <tumin || max > tumax) {
tumin = (this.min != null) ? min : min - range*(this.padMin - 1);
tumax = (this.max != null) ? max : max + range*(this.padMax - 1);
ret = $.jqplot.LinearTickGenerator(tumin, tumax, this._scalefact, _numberTicks, keepMin, keepMax);
}
this.min = ret[0];
this.max = ret[1];
// if numberTicks specified, it should return the same.
this.numberTicks = ret[2];
this._autoFormatString = ret[3];
this.tickInterval = ret[4];
}
// User has specified some axis scale related option, can use auto algorithm
else {
// if min and max are same, space them out a bit
if (min == max) {
var adj = 0.05;
if (min > 0) {
adj = Math.max(Math.log(min)/Math.LN10, 0.05);
}
min -= adj;
max += adj;
}
// autoscale. Can't autoscale if min or max is supplied.
// Will use numberTicks and tickInterval if supplied. Ticks
// across multiple axes may not line up depending on how
// bars are to be plotted.
if (this.autoscale && this.min == null && this.max == null) {
var rrange, ti, margin;
var forceMinZero = false;
var forceZeroLine = false;
var intervals = {min:null, max:null, average:null, stddev:null};
// if any series are bars, or if any are fill to zero, and if this
// is the axis to fill toward, check to see if we can start axis at zero.
for (var i=0; i<this._series.length; i++) {
var s = this._series[i];
var faname = (s.fillAxis == 'x') ? s._xaxis.name : s._yaxis.name;
// check to see if this is the fill axis
if (this.name == faname) {
var vals = s._plotValues[s.fillAxis];
var vmin = vals[0];
var vmax = vals[0];
for (var j=1; j<vals.length; j++) {
if (vals[j] < vmin) {
vmin = vals[j];
}
else if (vals[j] > vmax) {
vmax = vals[j];
}
}
var dp = (vmax - vmin) / vmax;
// is this sries a bar?
if (s.renderer.constructor == $.jqplot.BarRenderer) {
// if no negative values and could also check range.
if (vmin >= 0 && (s.fillToZero || dp > 0.1)) {
forceMinZero = true;
}
else {
forceMinZero = false;
if (s.fill && s.fillToZero && vmin < 0 && vmax > 0) {
forceZeroLine = true;
}
else {
forceZeroLine = false;
}
}
}
// if not a bar and filling, use appropriate method.
else if (s.fill) {
if (vmin >= 0 && (s.fillToZero || dp > 0.1)) {
forceMinZero = true;
}
else if (vmin < 0 && vmax > 0 && s.fillToZero) {
forceMinZero = false;
forceZeroLine = true;
}
else {
forceMinZero = false;
forceZeroLine = false;
}
}
// if not a bar and not filling, only change existing state
// if it doesn't make sense
else if (vmin < 0) {
forceMinZero = false;
}
}
}
// check if we need make axis min at 0.
if (forceMinZero) {
// compute number of ticks
this.numberTicks = 2 + Math.ceil((dim-(this.tickSpacing-1))/this.tickSpacing);
this.min = 0;
userMin = 0;
// what order is this range?
// what tick interval does that give us?
ti = max/(this.numberTicks-1);
temp = Math.pow(10, Math.abs(Math.floor(Math.log(ti)/Math.LN10)));
if (ti/temp == parseInt(ti/temp, 10)) {
ti += temp;
}
this.tickInterval = Math.ceil(ti/temp) * temp;
this.max = this.tickInterval * (this.numberTicks - 1);
}
// check if we need to make sure there is a tick at 0.
else if (forceZeroLine) {
// compute number of ticks
this.numberTicks = 2 + Math.ceil((dim-(this.tickSpacing-1))/this.tickSpacing);
var ntmin = Math.ceil(Math.abs(min)/range*(this.numberTicks-1));
var ntmax = this.numberTicks - 1 - ntmin;
ti = Math.max(Math.abs(min/ntmin), Math.abs(max/ntmax));
temp = Math.pow(10, Math.abs(Math.floor(Math.log(ti)/Math.LN10)));
this.tickInterval = Math.ceil(ti/temp) * temp;
this.max = this.tickInterval * ntmax;
this.min = -this.tickInterval * ntmin;
}
// if nothing else, do autoscaling which will try to line up ticks across axes.
else {
if (this.numberTicks == null){
if (this.tickInterval) {
this.numberTicks = 3 + Math.ceil(range / this.tickInterval);
}
else {
this.numberTicks = 2 + Math.ceil((dim-(this.tickSpacing-1))/this.tickSpacing);
}
}
if (this.tickInterval == null) {
// get a tick interval
ti = range/(this.numberTicks - 1);
if (ti < 1) {
temp = Math.pow(10, Math.abs(Math.floor(Math.log(ti)/Math.LN10)));
}
else {
temp = 1;
}
this.tickInterval = Math.ceil(ti*temp*this.pad)/temp;
}
else {
temp = 1 / this.tickInterval;
}
// try to compute a nicer, more even tick interval
// temp = Math.pow(10, Math.floor(Math.log(ti)/Math.LN10));
// this.tickInterval = Math.ceil(ti/temp) * temp;
rrange = this.tickInterval * (this.numberTicks - 1);
margin = (rrange - range)/2;
if (this.min == null) {
this.min = Math.floor(temp*(min-margin))/temp;
}
if (this.max == null) {
this.max = this.min + rrange;
}
}
// Compute a somewhat decent format string if it is needed.
// get precision of interval and determine a format string.
var sf = $.jqplot.getSignificantFigures(this.tickInterval);
var fstr;
// if we have only a whole number, use integer formatting
if (sf.digitsLeft >= sf.significantDigits) {
fstr = '%d';
}
else {
var temp = Math.max(0, 5 - sf.digitsLeft);
temp = Math.min(temp, sf.digitsRight);
fstr = '%.'+ temp + 'f';
}
this._autoFormatString = fstr;
}
// Use the default algorithm which pads each axis to make the chart
// centered nicely on the grid.
else {
rmin = (this.min != null) ? this.min : min - range*(this.padMin - 1);
rmax = (this.max != null) ? this.max : max + range*(this.padMax - 1);
range = rmax - rmin;
if (this.numberTicks == null){
// if tickInterval is specified by user, we will ignore computed maximum.
// max will be equal or greater to fit even # of ticks.
if (this.tickInterval != null) {
this.numberTicks = Math.ceil((rmax - rmin)/this.tickInterval)+1;
}
else if (dim > 100) {
this.numberTicks = parseInt(3+(dim-100)/75, 10);
}
else {
this.numberTicks = 2;
}
}
if (this.tickInterval == null) {
this.tickInterval = range / (this.numberTicks-1);
}
if (this.max == null) {
rmax = rmin + this.tickInterval*(this.numberTicks - 1);
}
if (this.min == null) {
rmin = rmax - this.tickInterval*(this.numberTicks - 1);
}
// get precision of interval and determine a format string.
var sf = $.jqplot.getSignificantFigures(this.tickInterval);
var fstr;
// if we have only a whole number, use integer formatting
if (sf.digitsLeft >= sf.significantDigits) {
fstr = '%d';
}
else {
var temp = Math.max(0, 5 - sf.digitsLeft);
temp = Math.min(temp, sf.digitsRight);
fstr = '%.'+ temp + 'f';
}
this._autoFormatString = fstr;
this.min = rmin;
this.max = rmax;
}
if (this.renderer.constructor == $.jqplot.LinearAxisRenderer && this._autoFormatString == '') {
// fix for misleading tick display with small range and low precision.
range = this.max - this.min;
// figure out precision
var temptick = new this.tickRenderer(this.tickOptions);
// use the tick formatString or, the default.
var fs = temptick.formatString || $.jqplot.config.defaultTickFormatString;
var fs = fs.match($.jqplot.sprintf.regex)[0];
var precision = 0;
if (fs) {
if (fs.search(/[fFeEgGpP]/) > -1) {
var m = fs.match(/\%\.(\d{0,})?[eEfFgGpP]/);
if (m) {
precision = parseInt(m[1], 10);
}
else {
precision = 6;
}
}
else if (fs.search(/[di]/) > -1) {
precision = 0;
}
// fact will be <= 1;
var fact = Math.pow(10, -precision);
if (this.tickInterval < fact) {
// need to correct underrange
if (userNT == null && userTI == null) {
this.tickInterval = fact;
if (userMax == null && userMin == null) {
// this.min = Math.floor((this._dataBounds.min - this.tickInterval)/fact) * fact;
this.min = Math.floor(this._dataBounds.min/fact) * fact;
if (this.min == this._dataBounds.min) {
this.min = this._dataBounds.min - this.tickInterval;
}
// this.max = Math.ceil((this._dataBounds.max + this.tickInterval)/fact) * fact;
this.max = Math.ceil(this._dataBounds.max/fact) * fact;
if (this.max == this._dataBounds.max) {
this.max = this._dataBounds.max + this.tickInterval;
}
var n = (this.max - this.min)/this.tickInterval;
n = n.toFixed(11);
n = Math.ceil(n);
this.numberTicks = n + 1;
}
else if (userMax == null) {
// add one tick for top of range.
var n = (this._dataBounds.max - this.min) / this.tickInterval;
n = n.toFixed(11);
this.numberTicks = Math.ceil(n) + 2;
this.max = this.min + this.tickInterval * (this.numberTicks-1);
}
else if (userMin == null) {
// add one tick for bottom of range.
var n = (this.max - this._dataBounds.min) / this.tickInterval;
n = n.toFixed(11);
this.numberTicks = Math.ceil(n) + 2;
this.min = this.max - this.tickInterval * (this.numberTicks-1);
}
else {
// calculate a number of ticks so max is within axis scale
this.numberTicks = Math.ceil((userMax - userMin)/this.tickInterval) + 1;
// if user's min and max don't fit evenly in ticks, adjust.
// This takes care of cases such as user min set to 0, max set to 3.5 but tick
// format string set to %d (integer ticks)
this.min = Math.floor(userMin*Math.pow(10, precision))/Math.pow(10, precision);
this.max = Math.ceil(userMax*Math.pow(10, precision))/Math.pow(10, precision);
// this.max = this.min + this.tickInterval*(this.numberTicks-1);
this.numberTicks = Math.ceil((this.max - this.min)/this.tickInterval) + 1;
}
}
}
}
}
}
if (this._overrideFormatString && this._autoFormatString != '') {
this.tickOptions = this.tickOptions || {};
this.tickOptions.formatString = this._autoFormatString;
}
var t, to;
for (var i=0; i<this.numberTicks; i++){
tt = this.min + i * this.tickInterval;
t = new this.tickRenderer(this.tickOptions);
// var t = new $.jqplot.AxisTickRenderer(this.tickOptions);
t.setTick(tt, this.name);
this._ticks.push(t);
if (i < this.numberTicks - 1) {
for (var j=0; j<this.minorTicks; j++) {
tt += this.tickInterval/(this.minorTicks+1);
to = $.extend(true, {}, this.tickOptions, {name:this.name, value:tt, label:'', isMinorTick:true});
t = new this.tickRenderer(to);
this._ticks.push(t);
}
}
t = null;
}
}
if (this.tickInset) {
this.min = this.min - this.tickInset * this.tickInterval;
this.max = this.max + this.tickInset * this.tickInterval;
}
ticks = null;
};
// Used to reset just the values of the ticks and then repack, which will
// recalculate the positioning functions. It is assuemd that the
// number of ticks is the same and the values of the new array are at the
// proper interval.
// This method needs to be called with the scope of an axis object, like:
//
// > plot.axes.yaxis.renderer.resetTickValues.call(plot.axes.yaxis, yarr);
//
$.jqplot.LinearAxisRenderer.prototype.resetTickValues = function(opts) {
if ($.isArray(opts) && opts.length == this._ticks.length) {
var t;
for (var i=0; i<opts.length; i++) {
t = this._ticks[i];
t.value = opts[i];
t.label = t.formatter(t.formatString, opts[i]);
t.label = t.prefix + t.label;
t._elem.html(t.label);
}
t = null;
this.min = $.jqplot.arrayMin(opts);
this.max = $.jqplot.arrayMax(opts);
this.pack();
}
// Not implemented yet.
// else if ($.isPlainObject(opts)) {
//
// }
};
// called with scope of axis
$.jqplot.LinearAxisRenderer.prototype.pack = function(pos, offsets) {
// Add defaults for repacking from resetTickValues function.
pos = pos || {};
offsets = offsets || this._offsets;
var ticks = this._ticks;
var max = this.max;
var min = this.min;
var offmax = offsets.max;
var offmin = offsets.min;
var lshow = (this._label == null) ? false : this._label.show;
for (var p in pos) {
this._elem.css(p, pos[p]);
}
this._offsets = offsets;
// pixellength will be + for x axes and - for y axes becasue pixels always measured from top left.
var pixellength = offmax - offmin;
var unitlength = max - min;
// point to unit and unit to point conversions references to Plot DOM element top left corner.
if (this.breakPoints) {
unitlength = unitlength - this.breakPoints[1] + this.breakPoints[0];
this.p2u = function(p){
return (p - offmin) * unitlength / pixellength + min;
};
this.u2p = function(u){
if (u > this.breakPoints[0] && u < this.breakPoints[1]){
u = this.breakPoints[0];
}
if (u <= this.breakPoints[0]) {
return (u - min) * pixellength / unitlength + offmin;
}
else {
return (u - this.breakPoints[1] + this.breakPoints[0] - min) * pixellength / unitlength + offmin;
}
};
if (this.name.charAt(0) == 'x'){
this.series_u2p = function(u){
if (u > this.breakPoints[0] && u < this.breakPoints[1]){
u = this.breakPoints[0];
}
if (u <= this.breakPoints[0]) {
return (u - min) * pixellength / unitlength;
}
else {
return (u - this.breakPoints[1] + this.breakPoints[0] - min) * pixellength / unitlength;
}
};
this.series_p2u = function(p){
return p * unitlength / pixellength + min;
};
}
else {
this.series_u2p = function(u){
if (u > this.breakPoints[0] && u < this.breakPoints[1]){
u = this.breakPoints[0];
}
if (u >= this.breakPoints[1]) {
return (u - max) * pixellength / unitlength;
}
else {
return (u + this.breakPoints[1] - this.breakPoints[0] - max) * pixellength / unitlength;
}
};
this.series_p2u = function(p){
return p * unitlength / pixellength + max;
};
}
}
else {
this.p2u = function(p){
return (p - offmin) * unitlength / pixellength + min;
};
this.u2p = function(u){
return (u - min) * pixellength / unitlength + offmin;
};
if (this.name == 'xaxis' || this.name == 'x2axis'){
this.series_u2p = function(u){
return (u - min) * pixellength / unitlength;
};
this.series_p2u = function(p){
return p * unitlength / pixellength + min;
};
}
else {
this.series_u2p = function(u){
return (u - max) * pixellength / unitlength;
};
this.series_p2u = function(p){
return p * unitlength / pixellength + max;
};
}
}
if (this.show) {
if (this.name == 'xaxis' || this.name == 'x2axis') {
for (var i=0; i<ticks.length; i++) {
var t = ticks[i];
if (t.show && t.showLabel) {
var shim;
if (t.constructor == $.jqplot.CanvasAxisTickRenderer && t.angle) {
// will need to adjust auto positioning based on which axis this is.
var temp = (this.name == 'xaxis') ? 1 : -1;
switch (t.labelPosition) {
case 'auto':
// position at end
if (temp * t.angle < 0) {
shim = -t.getWidth() + t._textRenderer.height * Math.sin(-t._textRenderer.angle) / 2;
}
// position at start
else {
shim = -t._textRenderer.height * Math.sin(t._textRenderer.angle) / 2;
}
break;
case 'end':
shim = -t.getWidth() + t._textRenderer.height * Math.sin(-t._textRenderer.angle) / 2;
break;
case 'start':
shim = -t._textRenderer.height * Math.sin(t._textRenderer.angle) / 2;
break;
case 'middle':
shim = -t.getWidth()/2 + t._textRenderer.height * Math.sin(-t._textRenderer.angle) / 2;
break;
default:
shim = -t.getWidth()/2 + t._textRenderer.height * Math.sin(-t._textRenderer.angle) / 2;
break;
}
}
else {
shim = -t.getWidth()/2;
}
var val = this.u2p(t.value) + shim + 'px';
t._elem.css('left', val);
t.pack();
}
}
if (lshow) {
var w = this._label._elem.outerWidth(true);
this._label._elem.css('left', offmin + pixellength/2 - w/2 + 'px');
if (this.name == 'xaxis') {
this._label._elem.css('bottom', '0px');
}
else {
this._label._elem.css('top', '0px');
}
this._label.pack();
}
}
else {
for (var i=0; i<ticks.length; i++) {
var t = ticks[i];
if (t.show && t.showLabel) {
var shim;
if (t.constructor == $.jqplot.CanvasAxisTickRenderer && t.angle) {
// will need to adjust auto positioning based on which axis this is.
var temp = (this.name == 'yaxis') ? 1 : -1;
switch (t.labelPosition) {
case 'auto':
// position at end
case 'end':
if (temp * t.angle < 0) {
shim = -t._textRenderer.height * Math.cos(-t._textRenderer.angle) / 2;
}
else {
shim = -t.getHeight() + t._textRenderer.height * Math.cos(t._textRenderer.angle) / 2;
}
break;
case 'start':
if (t.angle > 0) {
shim = -t._textRenderer.height * Math.cos(-t._textRenderer.angle) / 2;
}
else {
shim = -t.getHeight() + t._textRenderer.height * Math.cos(t._textRenderer.angle) / 2;
}
break;
case 'middle':
// if (t.angle > 0) {
// shim = -t.getHeight()/2 + t._textRenderer.height * Math.sin(-t._textRenderer.angle) / 2;
// }
// else {
// shim = -t.getHeight()/2 - t._textRenderer.height * Math.sin(t._textRenderer.angle) / 2;
// }
shim = -t.getHeight()/2;
break;
default:
shim = -t.getHeight()/2;
break;
}
}
else {
shim = -t.getHeight()/2;
}
var val = this.u2p(t.value) + shim + 'px';
t._elem.css('top', val);
t.pack();
}
}
if (lshow) {
var h = this._label._elem.outerHeight(true);
this._label._elem.css('top', offmax - pixellength/2 - h/2 + 'px');
if (this.name == 'yaxis') {
this._label._elem.css('left', '0px');
}
else {
this._label._elem.css('right', '0px');
}
this._label.pack();
}
}
}
ticks = null;
};
})(jQuery);
|