git.roojs.org Git - g.raphael/blob - g.bar.js

   1 /*!
   2  * g.Raphael 0.5 - Charting library, based on Raphaël
   3  *
   4  * Copyright (c) 2009 Dmitry Baranovskiy (http://g.raphaeljs.com)
   5  * Licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) license.
   6  */
   7 (function () {
   8     var mmin = Math.min,
   9         mmax = Math.max;
  10
  11     function finger(x, y, width, height, dir, ending, isPath, paper) {
  12         var path,
  13             ends = { round: 'round', sharp: 'sharp', soft: 'soft', square: 'square' };
  14
  15         // dir 0 for horizontal and 1 for vertical
  16         if ((dir && !height) || (!dir && !width)) {
  17             return isPath ? "" : paper.path();
  18         }
  19
  20         ending = ends[ending] || "square";
  21         height = Math.round(height);
  22         width = Math.round(width);
  23         x = Math.round(x);
  24         y = Math.round(y);
  25
  26         switch (ending) {
  27             case "round":
  28                 if (!dir) {
  29                     var r = ~~(height / 2);
  30
  31                     if (width < r) {
  32                         r = width;
  33                         path = [
  34                             "M", x + .5, y + .5 - ~~(height / 2),
  35                             "l", 0, 0,
  36                             "a", r, ~~(height / 2), 0, 0, 1, 0, height,
  37                             "l", 0, 0,
  38                             "z"
  39                         ];
  40                     } else {
  41                         path = [
  42                             "M", x + .5, y + .5 - r,
  43                             "l", width - r, 0,
  44                             "a", r, r, 0, 1, 1, 0, height,
  45                             "l", r - width, 0,
  46                             "z"
  47                         ];
  48                     }
  49                 } else {
  50                     r = ~~(width / 2);
  51
  52                     if (height < r) {
  53                         r = height;
  54                         path = [
  55                             "M", x - ~~(width / 2), y,
  56                             "l", 0, 0,
  57                             "a", ~~(width / 2), r, 0, 0, 1, width, 0,
  58                             "l", 0, 0,
  59                             "z"
  60                         ];
  61                     } else {
  62                         path = [
  63                             "M", x - r, y,
  64                             "l", 0, r - height,
  65                             "a", r, r, 0, 1, 1, width, 0,
  66                             "l", 0, height - r,
  67                             "z"
  68                         ];
  69                     }
  70                 }
  71                 break;
  72             case "sharp":
  73                 if (!dir) {
  74                     var half = ~~(height / 2);
  75
  76                     path = [
  77                         "M", x, y + half,
  78                         "l", 0, -height, mmax(width - half, 0), 0, mmin(half, width), half, -mmin(half, width), half + (half * 2 < height),
  79                         "z"
  80                     ];
  81                 } else {
  82                     half = ~~(width / 2);
  83                     path = [
  84                         "M", x + half, y,
  85                         "l", -width, 0, 0, -mmax(height - half, 0), half, -mmin(half, height), half, mmin(half, height), half,
  86                         "z"
  87                     ];
  88                 }
  89                 break;
  90             case "square":
  91                 if (!dir) {
  92                     path = [
  93                         "M", x, y + ~~(height / 2),
  94                         "l", 0, -height, width, 0, 0, height,
  95                         "z"
  96                     ];
  97                 } else {
  98                     path = [
  99                         "M", x + ~~(width / 2), y,
 100                         "l", 1 - width, 0, 0, -height, width - 1, 0,
 101                         "z"
 102                     ];
 103                 }
 104                 break;
 105             case "soft":
 106                 if (!dir) {
 107                     r = mmin(width, Math.round(height / 5));
 108                     path = [
 109                         "M", x + .5, y + .5 - ~~(height / 2),
 110                         "l", width - r, 0,
 111                         "a", r, r, 0, 0, 1, r, r,
 112                         "l", 0, height - r * 2,
 113                         "a", r, r, 0, 0, 1, -r, r,
 114                         "l", r - width, 0,
 115                         "z"
 116                     ];
 117                 } else {
 118                     r = mmin(Math.round(width / 5), height);
 119                     path = [
 120                         "M", x - ~~(width / 2), y,
 121                         "l", 0, r - height,
 122                         "a", r, r, 0, 0, 1, r, -r,
 123                         "l", width - 2 * r, 0,
 124                         "a", r, r, 0, 0, 1, r, r,
 125                         "l", 0, height - r,
 126                         "z"
 127                     ];
 128                 }
 129         }
 130
 131         if (isPath) {
 132             return path.join(",");
 133         } else {
 134             return paper.path(path);
 135         }
 136     }
 137
 138     /*
 139      * Vertical Barchart
 140      * @param {Raphael} paper  The paper to render the graph on
 141      * @param {int} x    left coord
 142      * @param {int} y   right coord
 143      * @param {int} width  width of graph
 144      * @param {int} height heigt of graph
 145      * @param {Array} values - single = [1,2,3] or multiple [ [1,2,3] , [1,2,3]]
 146      * @param {Object} opts  - options
 147      *    type :  {String} square | ???
 148      *    gutter: {Number} percentage width default 20%
 149      *    vgutter : {Number}  vertical gutter?
 150      *    colors : {Array} list of colours - default chartinst.colors
 151      *    xvalues : {Array} not sure - this looks like can be single or multi dimensional array
 152      *    yvalues : {Array} not sure - this looks like can be single or multi dimensional array
 153      *    ymin :
 154      *    axis: {String} eg. "top right bottom left" - which sides to show an axis eg. "0 0 1 1"
 155      *    axisxstep
 156      *    axisystep
 157      *    axisxlabels: {Array} - note - first element appears left of first bar..
 158      *    stacked
 159      *    to
 160      *    stretch
 161      *    labels : {Array} labels to go above the chart..
 162      *
 163      */
 164     function VBarchart(paper, x, y, width, height, values, opts) {
 165         opts = opts || {};
 166         opts.xvalues
 167
 168         var chartinst = this,
 169             type = opts.type || "square",
 170             gutter = parseFloat(opts.gutter || "20%"),
 171             chart = paper.set(),
 172             bars = paper.set(),
 173 //            covers = paper.set(),
 174 //            covers2 = paper.set(),
 175             total = Math.max.apply(Math, values),
 176             stacktotal = [],
 177             multi = 0,
 178             colors = opts.colors || chartinst.colors,
 179             len = values.length + 2,
 180             sum = 0;
 181
 182         opts.xvalues = opts.xvalues|| [];
 183         if (!paper.raphael.is(opts.xvalues[0], "array")) {
 184             opts.xvalues = [opts.xvalues];
 185         }
 186         opts.yvalues = opts.yvalues|| [];
 187         if (!paper.raphael.is(opts.yvalues[0], "array")) {
 188             opts.yvalues = [opts.yvalues];
 189         }
 190
 191
 192         var allx = Array.prototype.concat.apply([], opts.xvalues),
 193             ally = Array.prototype.concat.apply([], opts.yvalues),
 194             xdim = chartinst.snapEnds(
 195                 Math.min.apply(Math, allx),
 196                 Math.max.apply(Math, allx),
 197                 opts.xvalues[0].length - 1
 198             ),
 199             minx = xdim.from,
 200             maxx = xdim.to,
 201             ydim = chartinst.snapEnds(
 202                     Math.min.apply(Math, ally),
 203                     Math.max.apply(Math, ally),
 204                     opts.yvalues[0].length - 1
 205             ),
 206             miny = typeof(opts.ymin) == 'undefined' ? ydim.from : opts.ymin,
 207             maxy = ydim.to,
 208             kx = (width - gutter * 2) / ((maxx - minx) || 1),
 209             ky = (height - gutter * 2) / ((maxy - miny) || 1);
 210
 211
 212
 213         if (Raphael.is(values[0], "array") && values.length > 1) {
 214             total = [];
 215             multi = len;
 216             len = 0;
 217
 218             for (var i = values.length; i--;) {
 219                 bars.push(paper.set());
 220                 total.push(Math.max.apply(Math, values[i]));
 221                 len = Math.max(len, values[i].length);
 222             }
 223
 224             for (var i = values.length; i--;) {
 225                 if (values[i].length < len) {
 226                     for (var j = len; j--;) {
 227                         values[i].push(0);
 228                     }
 229                 }
 230             }
 231
 232             total = Math.max.apply(Math, opts.stacked ? stacktotal : total);
 233         }
 234
 235         for (var i = 0; i < len; i++) {
 236             sum += values[i];
 237             values[i] = { value: values[i], order: i, valueOf: function () { return this.value; } };
 238         }
 239
 240         total = (opts.to) || total;
 241         Roo.log([width, len, gutter]);
 242         var barwidth = width / (len * (90 + gutter) + gutter) * 100,
 243             barhgutter = barwidth * (gutter) / 100,
 244             barvgutter = opts.vgutter == null ? 20 : opts.vgutter,
 245             stack = [],
 246             X = x + barhgutter,
 247             Y = (height - 2 * barvgutter) / total;
 248         Roo.log([barwidth, X, barhgutter]);
 249         if (!opts.stretch) {
 250             barhgutter = Math.round(barhgutter);
 251             barwidth = Math.floor(barwidth);
 252         }
 253
 254
 255          var axis = paper.set();
 256
 257         if (opts.axis) {
 258
 259             // Roo.log(opts.axis);
 260
 261             // Value - "top right bottom left". If
 262             var ax = (opts.axis + "").split(/[,\s]+/);
 263
 264             // top axis
 265             +ax[0] && axis.push(
 266                     chartinst.axis(
 267                         x + gutter,
 268                         y + gutter,
 269                         width - 2 * gutter,
 270                         minx,
 271                         maxx,
 272                         opts.axisxstep || Math.floor((width - 2 * gutter) / 20),
 273                         2,
 274                         paper));
 275             // right axis
 276             +ax[1] && axis.push(
 277                     chartinst.axis(
 278                         x + width - gutter,
 279                         y + height - gutter,
 280                         height - 2 * gutter,
 281                         miny, maxy,
 282                         opts.axisystep || Math.floor((height - 2 * gutter) / 20),
 283                         3,
 284                         paper
 285                     ));
 286             // bottom axis
 287             opts.axisxlabels = opts.axisxlabels || [];
 288             // add elements at beginning and end of array...
 289             opts.axisxlabels.unshift('');
 290             opts.axisxlabels.push('');
 291             opts.axisxstep  = opts.axisxstep  || (opts.axisxlabels ? opts.axisxlabels.length -2   : false ) || len;
 292
 293             +ax[2] && axis.push(
 294                 // bottom
 295                 // x, y, length, from, to, steps, orientation, labels, type, dashsize, paper
 296                 chartinst.axis(
 297                     x + gutter ,
 298                     y + height - gutter,
 299                     width - gutter, // total width
 300                     minx ,  // from
 301                     maxx, //to
 302                     opts.axisxstep ,
 303                     0, // orientation
 304                     opts.axisxlabels || false, // labels
 305                     "-", // type
 306                     5, // dash size
 307                     paper
 308                 ));
 309             // left axis
 310             +ax[3] && axis.push(
 311                     chartinst.axis(
 312                         x + gutter,
 313                         y + height - gutter,
 314                         height - 2 * gutter,
 315                         miny,
 316                         maxy ,
 317 //                        opts.axisystep || Math.floor((height - 2 * gutter) / 20),
 318                         10,
 319                         1,
 320                         paper
 321             ));
 322         }
 323
 324
 325         !opts.stacked && (barwidth /= multi || 1);
 326
 327         for (var i = 0; i < len; i++) {
 328             stack = [];
 329             if(i == 0){
 330                 X += barwidth;
 331             }
 332             Roo.log( {X : X});
 333             for (var j = 0; j < (multi || 1); j++) {
 334                 var h = Math.round((multi ? values[j][i] : values[i]) * Y),
 335                     top = y + height - barvgutter - h,
 336                     bar = finger(Math.round(X + barwidth / 2), top + h, barwidth, h, true, type, null, paper).attr({ stroke: "none", fill: colors[multi ? j : i] });
 337
 338 //                    bar = finger(x, Y + barwidth / 2, Math.round(8 * X), barwidth - 1, false, type, null, paper).attr({stroke: "none", fill: colors[multi ? j : i]});
 339
 340
 341                 if (multi && bars[j]) { // bars[j] did not appear to exist?
 342                     bars[j].push(bar);
 343                 } else {
 344                     bars.push(bar);
 345                 }
 346
 347                 bar.y = top;
 348                 bar.x = Math.round(X + barwidth / 2);
 349                 bar.w = barwidth;
 350                 bar.h = h;
 351                 bar.value = multi ? values[j][i] : values[i];
 352
 353                 if(!isNaN(bar.y) && opts.labels && opts.labels[i]){
 354                     bar.labels = paper.set();
 355                     var qtyLbl = paper.text(
 356                             bar.x - 10,
 357                             (bar.y - 10),
 358                             opts.labels[i])
 359                             .attr({
 360                                 fill : '#000',
 361                                 'text-anchor' : 'start',
 362                                 font : '10px Arial'
 363                             });
 364
 365                     bar.labels.push(qtyLbl);
 366                 }
 367
 368                 if (!opts.stacked) {
 369                     X += barwidth;
 370                 } else {
 371                     stack.push(bar);
 372                 }
 373             }
 374
 375             //X += barhgutter + 25; -- why add 25??
 376             X += barhgutter;
 377         }
 378         X = x + barhgutter;
 379
 380
 381         /*
 382          * create the legend for Vbarchart
 383          *
 384          */
 385
 386 //        var legend = function (labels, otherslabel, mark, dir) {
 387 //            var h = Y + 10;
 388 //
 389 //            labels = labels || [];
 390 ////            dir = (dir && dir.toLowerCase && dir.toLowerCase()) || "south";
 391 //            dir = "east"; // default set to east, do not support other position first...
 392 //            mark = paper[mark && mark.toLowerCase()] || "circle";
 393 //            chart.labels = paper.set();
 394 //
 395 //            for (var i = 0; i < len; i++) {
 396 //                var txt;
 397 //
 398 //                values[i].others && (labels[i] = otherslabel || "Others");
 399 //
 400 //                labels[i] = chartinst.labelise(labels[i], values[i], sum);
 401 //                chart.labels.push(paper.set());
 402 //                chart.labels[i].push(paper[mark](x + 5, h, 5).attr({ stroke: "none", fill: colors[i] }));
 403 //                chart.labels[i].push(txt = paper.text(x + 20, h, labels[i] || values[i]).attr(chartinst.txtattr).attr({ fill: opts.legendcolor || "#000", "text-anchor": "start"}));
 404 //                covers[i].label = chart.labels[i];
 405 //                h += txt.getBBox().height * 1.2;
 406 //            }
 407 //
 408 //            var tr = {
 409 //                    east: [width + 15, - Y +30]
 410 ////                    west: [-bb.width - 2 * r - 20, -bb.height / 2],
 411 ////                    north: [-r - bb.width / 2, -r - bb.height - 10],
 412 ////                    south: [ x - 5, 10]
 413 //                }[dir];
 414 //
 415 //            chart.labels.translate.apply(chart.labels, tr);
 416 //            chart.push(chart.labels);
 417 //        };
 418 //
 419 //        if (opts.legend) {
 420 //            legend(opts.legend, opts.legendothers, opts.legendmark, opts.legendpos);
 421 //        }
 422
 423
 424
 425 //        chart.hover = function (fin, fout) {
 426 //            covers2.hide();
 427 //            covers.show();
 428 //            covers.mouseover(fin).mouseout(fout);
 429 //            return this;
 430 //        };
 431 //
 432 //        chart.hoverColumn = function (fin, fout) {
 433 //            covers.hide();
 434 //            covers2.show();
 435 //            fout = fout || function () {};
 436 //            covers2.mouseover(fin).mouseout(fout);
 437 //            return this;
 438 //        };
 439 //
 440 //        chart.click = function (f) {
 441 //            covers2.hide();
 442 //            covers.show();
 443 //            covers.click(f);
 444 //            return this;
 445 //        };
 446
 447 //        chart.each = function (f) {
 448 //            if (!Raphael.is(f, "function")) {
 449 //                return this;
 450 //            }
 451 //            for (var i = covers.length; i--;) {
 452 //                f.call(covers[i]);
 453 //            }
 454 //            return this;
 455 //        };
 456 //
 457 //        chart.eachColumn = function (f) {
 458 //            if (!Raphael.is(f, "function")) {
 459 //                return this;
 460 //            }
 461 //            for (var i = covers2.length; i--;) {
 462 //                f.call(covers2[i]);
 463 //            }
 464 //            return this;
 465 //        };
 466 //
 467 //        chart.clickColumn = function (f) {
 468 //            covers.hide();
 469 //            covers2.show();
 470 //            covers2.click(f);
 471 //            return this;
 472 //        };
 473
 474 //        chart.push(bars, covers, covers2);
 475         chart.bars = bars;
 476 //        chart.covers = covers;
 477         return chart;
 478     };
 479
 480     /**
 481      * Horizontal Barchart
 482      */
 483     function HBarchart(paper, x, y, width, height, values, opts) {
 484         opts = opts || {};
 485
 486         var chartinst = this,
 487             type = opts.type || "square",
 488             gutter = parseFloat(opts.gutter || "20%"),
 489             chart = paper.set(),
 490             bars = paper.set(),
 491             covers = paper.set(),
 492             covers2 = paper.set(),
 493             total = Math.max.apply(Math, values),
 494             stacktotal = [],
 495             multi = 0,
 496             colors = opts.colors || chartinst.colors,
 497             len = values.length,
 498             others = 0,
 499             sum = 0;
 500
 501         if (Raphael.is(values[0], "array")) {
 502             total = [];
 503             multi = len;
 504             len = 0;
 505
 506             for (var i = values.length; i--;) {
 507                 bars.push(paper.set());
 508                 total.push(Math.max.apply(Math, values[i]));
 509                 len = Math.max(len, values[i].length);
 510             }
 511
 512             if (opts.stacked) {
 513                 for (var i = len; i--;) {
 514                     var tot = 0;
 515                     for (var j = values.length; j--;) {
 516                         tot +=+ values[j][i] || 0;
 517                     }
 518                     stacktotal.push(tot);
 519                 }
 520             }
 521
 522             for (var i = values.length; i--;) {
 523                 if (values[i].length < len) {
 524                     for (var j = len; j--;) {
 525                         values[i].push(0);
 526                     }
 527                 }
 528             }
 529
 530             total = Math.max.apply(Math, opts.stacked ? stacktotal : total);
 531         }
 532
 533         for (var i = 0; i < len; i++) {
 534             sum += values[i];
 535             values[i] = { value: values[i], order: i, valueOf: function () { return this.value; } };
 536         }
 537
 538         if(opts.cut){
 539            for (i = 0; i < len; i++) {
 540                 if (i > opts.cut) {
 541                     values[opts.cut].value += values[i];
 542                     values[opts.cut].others = true;
 543                     others = values[opts.cut].value;
 544                 }
 545             }
 546
 547             len = Math.min(opts.cut + 1, values.length);
 548
 549             others && values.splice(len) && (values[opts.cut].others = true);
 550         }
 551
 552         total = (opts.to) || Math.max.apply(Math, values);
 553
 554         var barheight = Math.floor(height / (len * (100 + gutter) + gutter) * 100),
 555             bargutter = Math.floor(barheight * gutter / 100),
 556             stack = [],
 557             Y = y + bargutter,
 558             X = (width - 1) / total;
 559
 560         !opts.stacked && (barheight /= multi || 1);
 561
 562         for (var i = 0; i < len; i++) {
 563             stack = [];
 564
 565             for (var j = 0; j < (multi || 1); j++) {
 566                 var val = multi ? values[j][i] : values[i],
 567                     bar = finger(x, Y + barheight / 2, Math.round(val * X), barheight - 1, false, type, null, paper).attr({stroke: "none", fill: colors[multi ? j : i]});
 568
 569                 if (multi) {
 570                     bars[j].push(bar);
 571                 } else {
 572                     bars.push(bar);
 573                 }
 574
 575                 bar.x = x + Math.round(val * X);
 576                 bar.y = Y + barheight / 2;
 577                 bar.w = Math.round(val * X);
 578                 bar.h = barheight;
 579                 bar.value = +val;
 580
 581                 if (!opts.stacked) {
 582                     Y += barheight;
 583                 } else {
 584                     stack.push(bar);
 585                 }
 586             }
 587
 588             if (opts.stacked) {
 589                 var cvr = paper.rect(x, stack[0].y - stack[0].h / 2, width, barheight).attr(chartinst.shim);
 590
 591                 covers2.push(cvr);
 592                 cvr.bars = paper.set();
 593
 594                 var size = 0;
 595
 596                 for (var s = stack.length; s--;) {
 597                     stack[s].toFront();
 598                 }
 599
 600                 for (var s = 0, ss = stack.length; s < ss; s++) {
 601                     var bar = stack[s],
 602                         cover,
 603                         val = Math.round((size + bar.value) * X),
 604                         path = finger(x, bar.y, val, barheight - 1, false, type, 1, paper);
 605
 606                     cvr.bars.push(bar);
 607                     size && bar.attr({ path: path });
 608                     bar.w = val;
 609                     bar.x = x + val;
 610                     covers.push(cover = paper.rect(x + size * X, bar.y - bar.h / 2, bar.value * X, barheight).attr(chartinst.shim));
 611                     cover.bar = bar;
 612                     size += bar.value;
 613                 }
 614
 615                 Y += barheight;
 616             }
 617
 618             Y += bargutter;
 619         }
 620
 621         covers2.toFront();
 622         Y = y + bargutter;
 623
 624         if (!opts.stacked) {
 625             for (var i = 0; i < len; i++) {
 626                 for (var j = 0; j < (multi || 1); j++) {
 627                     var cover = paper.rect(x, Y, width, barheight).attr(chartinst.shim);
 628
 629                     covers.push(cover);
 630                     cover.bar = multi ? bars[j][i] : bars[i];
 631                     cover.value = cover.bar.value;
 632                     Y += barheight;
 633                 }
 634
 635                 Y += bargutter;
 636             }
 637         }
 638
 639         chart.label = function (labels, isRight) {
 640             labels = labels || [];
 641             this.labels = paper.set();
 642             var txtattr =  { };
 643             for (var i = 0; i < len; i++) {
 644                 for (var j = 0; j < (multi || 1); j++) {
 645                     //var  label = paper.labelise(multi ? labels[j] && labels[j][i] : labels[i], multi ? values[j][i] : values[i], total),
 646                     var  label = Raphael.g.labelise(multi ? labels[j] && labels[j][i] : labels[i], multi ? values[j][i] : values[i], total),
 647                         X = isRight ?
 648                                 bars[i * (multi || 1) + j].x + 5 : // - barheight / 2 + 3 :
 649                                 x + 5,
 650                         A = !isRight ? "end" : "start",
 651                         L;
 652
 653                     this.labels.push(L = paper.text(X, bars[i * (multi || 1) + j].y, label).attr(txtattr).attr({ "text-anchor": A }).insertBefore(covers[0]));
 654
 655                     if (L.getBBox().x < x + 5) {
 656                         L.attr({x: x + 5, "text-anchor": "start"});
 657                     } else {
 658                         bars[i * (multi || 1) + j].label = L;
 659                     }
 660                 }
 661             }
 662
 663             return this;
 664         };
 665
 666         var axis = paper.set();
 667
 668         if (opts.axis) {
 669             // Roo.log(opts.axis);
 670
 671             // Value - "top right bottom left". If
 672             var ax = (opts.axis + "").split(/[,\s]+/);
 673
 674             // top axis
 675             +ax[0] && axis.push(// not in used at the moment
 676                     chartinst.axis(
 677                         x + gutter,
 678                         y + gutter,
 679                         width - 2 * gutter,
 680                         0,
 681                         0,
 682                         opts.axisxstep || Math.floor((width - 2 * gutter) / 20),
 683                         2,
 684                         paper));
 685             // right axis
 686             +ax[1] && axis.push(// not in used at the moment
 687                     chartinst.axis(
 688                         x + width - gutter,
 689                         y + height - gutter,
 690                         height - 2 * gutter,
 691                         0,
 692                         0,
 693                         opts.axisystep || Math.floor((height - 2 * gutter) / 20),
 694                         3,
 695                         paper
 696                     ));
 697             // bottom axis
 698             +ax[2] && axis.push(// not in used at the moment
 699                 // bottom
 700                 // x, y, length, from, to, steps, orientation, labels, type, dashsize, paper
 701                 chartinst.axis(
 702                     x + gutter,
 703                     y + height - gutter,
 704 //                    width - 2 * gutter,
 705 //                    20,
 706 //                    50,
 707                     width - 20, // total width
 708                     0,
 709                     0,
 710 //                    20,
 711 //                    50,
 712                     opts.axisxstep || Math.floor((width - 2 * gutter) / 20), // data length
 713                     0,
 714                     opts.axisxlabels || false,
 715                     "-",
 716                     5,
 717                     paper
 718                 ));
 719             // left axis
 720             +ax[3] && axis.push(// just hardcode this
 721                 chartinst.axis(
 722                     19, // x pos
 723                     240, // y pos
 724                     220,// length
 725                     0, // from
 726                     0, // to
 727                     0,// steps
 728                     1,// orientation
 729                     false, // labels
 730                     "-",// type
 731 //                        opts.axisystep || Math.floor((height - 2 * gutter) / 20),
 732                     100,// dashsize
 733                     paper
 734             ));
 735         }
 736
 737
 738
 739         chart.hover = function (fin, fout) {
 740             covers2.hide();
 741             covers.show();
 742             fout = fout || function () {};
 743             covers.mouseover(fin).mouseout(fout);
 744             return this;
 745         };
 746
 747         chart.hoverColumn = function (fin, fout) {
 748             covers.hide();
 749             covers2.show();
 750             fout = fout || function () {};
 751             covers2.mouseover(fin).mouseout(fout);
 752             return this;
 753         };
 754
 755         chart.each = function (f) {
 756             if (!Raphael.is(f, "function")) {
 757                 return this;
 758             }
 759             for (var i = covers.length; i--;) {
 760                 f.call(covers[i]);
 761             }
 762             return this;
 763         };
 764
 765         chart.eachColumn = function (f) {
 766             if (!Raphael.is(f, "function")) {
 767                 return this;
 768             }
 769             for (var i = covers2.length; i--;) {
 770                 f.call(covers2[i]);
 771             }
 772             return this;
 773         };
 774
 775         chart.click = function (f) {
 776             covers2.hide();
 777             covers.show();
 778             covers.click(f);
 779             return this;
 780         };
 781
 782         chart.clickColumn = function (f) {
 783             covers.hide();
 784             covers2.show();
 785             covers2.click(f);
 786             return this;
 787         };
 788
 789         /*
 790          * create the legend for Hbarchart
 791          *
 792          */
 793
 794         var legend = function (labels, otherslabel, mark, dir) {
 795             var h = Y + 10;
 796
 797             labels = labels || [];
 798 //            dir = (dir && dir.toLowerCase && dir.toLowerCase()) || "south";
 799             dir = "east"; // default set to east, do not support other position first...
 800             mark = paper[mark && mark.toLowerCase()] || "circle";
 801             chart.labels = paper.set();
 802
 803             for (var i = 0; i < len; i++) {
 804                 var txt;
 805
 806                 values[i].others && (labels[i] = otherslabel || "Others");
 807 //                Roo.log(values[i]);
 808                 labels[i] = chartinst.labelise(labels[i], values[i], sum);
 809                 chart.labels.push(paper.set());
 810                 chart.labels[i].push(paper[mark](x + 5, h, 5).attr({ stroke: "none", fill: colors[i] }));
 811                 chart.labels[i].push(txt = paper.text(x + 20, h, labels[i] || values[i]).attr(chartinst.txtattr).attr({ fill: opts.legendcolor || "#000", "text-anchor": "start"}));
 812                 covers[i].label = chart.labels[i];
 813                 h += txt.getBBox().height * 1.2;
 814             }
 815 //            Roo.log(labels)
 816             var tr = {
 817                     east: [width + 25, - Y +30]
 818 //                    west: [-bb.width - 2 * r - 20, -bb.height / 2],
 819 //                    north: [-r - bb.width / 2, -r - bb.height - 10],
 820 //                    south: [ x - 5, 10]
 821                 }[dir];
 822
 823             chart.labels.translate.apply(chart.labels, tr);
 824             chart.push(chart.labels);
 825         };
 826
 827         if (opts.legend) {
 828             legend(opts.legend, opts.legendothers, opts.legendmark, opts.legendpos);
 829         }
 830
 831         chart.push(bars, covers, covers2);
 832         chart.bars = bars;
 833         chart.covers = covers;
 834         return chart;
 835     };
 836
 837     //inheritance
 838     var F = function() {};
 839     F.prototype = Raphael.g;
 840     HBarchart.prototype = VBarchart.prototype = new F;
 841
 842     Raphael.fn.hbarchart = function(x, y, width, height, values, opts) {
 843         return new HBarchart(this, x, y, width, height, values, opts);
 844     };
 845
 846     Raphael.fn.barchart = function(x, y, width, height, values, opts) {
 847         return new VBarchart(this, x, y, width, height, values, opts);
 848     };
 849 })();