gitlab-org--gitlab-foss/vendor/assets/javascripts/g.bar.js
2016-01-20 01:25:22 -02:00

674 lines
22 KiB
JavaScript

/*!
* g.Raphael 0.51 - Charting library, based on Raphaël
*
* Copyright (c) 2009-2012 Dmitry Baranovskiy (http://g.raphaeljs.com)
* Licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) license.
*/
(function () {
var mmin = Math.min,
mmax = Math.max;
function finger(x, y, width, height, dir, ending, isPath, paper) {
var path,
ends = { round: 'round', sharp: 'sharp', soft: 'soft', square: 'square' };
// dir 0 for horizontal and 1 for vertical
if ((dir && !height) || (!dir && !width)) {
return isPath ? "" : paper.path();
}
ending = ends[ending] || "square";
height = Math.round(height);
width = Math.round(width);
x = Math.round(x);
y = Math.round(y);
switch (ending) {
case "round":
if (!dir) {
var r = ~~(height / 2);
if (width < r) {
r = width;
path = [
"M", x + .5, y + .5 - ~~(height / 2),
"l", 0, 0,
"a", r, ~~(height / 2), 0, 0, 1, 0, height,
"l", 0, 0,
"z"
];
} else {
path = [
"M", x + .5, y + .5 - r,
"l", width - r, 0,
"a", r, r, 0, 1, 1, 0, height,
"l", r - width, 0,
"z"
];
}
} else {
r = ~~(width / 2);
if (height < r) {
r = height;
path = [
"M", x - ~~(width / 2), y,
"l", 0, 0,
"a", ~~(width / 2), r, 0, 0, 1, width, 0,
"l", 0, 0,
"z"
];
} else {
path = [
"M", x - r, y,
"l", 0, r - height,
"a", r, r, 0, 1, 1, width, 0,
"l", 0, height - r,
"z"
];
}
}
break;
case "sharp":
if (!dir) {
var half = ~~(height / 2);
path = [
"M", x, y + half,
"l", 0, -height, mmax(width - half, 0), 0, mmin(half, width), half, -mmin(half, width), half + (half * 2 < height),
"z"
];
} else {
half = ~~(width / 2);
path = [
"M", x + half, y,
"l", -width, 0, 0, -mmax(height - half, 0), half, -mmin(half, height), half, mmin(half, height), half,
"z"
];
}
break;
case "square":
if (!dir) {
path = [
"M", x, y + ~~(height / 2),
"l", 0, -height, width, 0, 0, height,
"z"
];
} else {
path = [
"M", x + ~~(width / 2), y,
"l", 1 - width, 0, 0, -height, width - 1, 0,
"z"
];
}
break;
case "soft":
if (!dir) {
r = mmin(width, Math.round(height / 5));
path = [
"M", x + .5, y + .5 - ~~(height / 2),
"l", width - r, 0,
"a", r, r, 0, 0, 1, r, r,
"l", 0, height - r * 2,
"a", r, r, 0, 0, 1, -r, r,
"l", r - width, 0,
"z"
];
} else {
r = mmin(Math.round(width / 5), height);
path = [
"M", x - ~~(width / 2), y,
"l", 0, r - height,
"a", r, r, 0, 0, 1, r, -r,
"l", width - 2 * r, 0,
"a", r, r, 0, 0, 1, r, r,
"l", 0, height - r,
"z"
];
}
}
if (isPath) {
return path.join(",");
} else {
return paper.path(path);
}
}
/*\
* Paper.vbarchart
[ method ]
**
* Creates a vertical bar chart
**
> Parameters
**
- x (number) x coordinate of the chart
- y (number) y coordinate of the chart
- width (number) width of the chart (respected by all elements in the set)
- height (number) height of the chart (respected by all elements in the set)
- values (array) values
- opts (object) options for the chart
o {
o type (string) type of endings of the bar. Default: 'square'. Other options are: 'round', 'sharp', 'soft'.
o gutter (number)(string) default '20%' (WHAT DOES IT DO?)
o vgutter (number)
o colors (array) colors be used repeatedly to plot the bars. If multicolumn bar is used each sequence of bars with use a different color.
o stacked (boolean) whether or not to tread values as in a stacked bar chart
o to
o stretch (boolean)
o }
**
= (object) path element of the popup
> Usage
| r.vbarchart(0, 0, 620, 260, [76, 70, 67, 71, 69], {})
\*/
function VBarchart(paper, x, y, width, height, values, opts) {
opts = opts || {};
var chartinst = this,
type = opts.type || "square",
gutter = parseFloat(opts.gutter || "20%"),
chart = paper.set(),
bars = paper.set(),
covers = paper.set(),
covers2 = paper.set(),
total = Math.max.apply(Math, values),
stacktotal = [],
multi = 0,
colors = opts.colors || chartinst.colors,
len = values.length;
if (Raphael.is(values[0], "array")) {
total = [];
multi = len;
len = 0;
for (var i = values.length; i--;) {
bars.push(paper.set());
total.push(Math.max.apply(Math, values[i]));
len = Math.max(len, values[i].length);
}
if (opts.stacked) {
for (var i = len; i--;) {
var tot = 0;
for (var j = values.length; j--;) {
tot +=+ values[j][i] || 0;
}
stacktotal.push(tot);
}
}
for (var i = values.length; i--;) {
if (values[i].length < len) {
for (var j = len; j--;) {
values[i].push(0);
}
}
}
total = Math.max.apply(Math, opts.stacked ? stacktotal : total);
}
total = (opts.to) || total;
var barwidth = width / (len * (100 + gutter) + gutter) * 100,
barhgutter = barwidth * gutter / 100,
barvgutter = opts.vgutter == null ? 20 : opts.vgutter,
stack = [],
X = x + barhgutter,
Y = (height - 2 * barvgutter) / total;
if (!opts.stretch) {
barhgutter = Math.round(barhgutter);
barwidth = Math.floor(barwidth);
}
!opts.stacked && (barwidth /= multi || 1);
for (var i = 0; i < len; i++) {
stack = [];
for (var j = 0; j < (multi || 1); j++) {
var h = Math.round((multi ? values[j][i] : values[i]) * Y),
top = y + height - barvgutter - h,
bar = finger(Math.round(X + barwidth / 2), top + h, barwidth, h, true, type, null, paper).attr({ stroke: "none", fill: colors[multi ? j : i] });
if (multi) {
bars[j].push(bar);
} else {
bars.push(bar);
}
bar.y = top;
bar.x = Math.round(X + barwidth / 2);
bar.w = barwidth;
bar.h = h;
bar.value = multi ? values[j][i] : values[i];
if (!opts.stacked) {
X += barwidth;
} else {
stack.push(bar);
}
}
if (opts.stacked) {
var cvr;
covers2.push(cvr = paper.rect(stack[0].x - stack[0].w / 2, y, barwidth, height).attr(chartinst.shim));
cvr.bars = paper.set();
var size = 0;
for (var s = stack.length; s--;) {
stack[s].toFront();
}
for (var s = 0, ss = stack.length; s < ss; s++) {
var bar = stack[s],
cover,
h = (size + bar.value) * Y,
path = finger(bar.x, y + height - barvgutter - !!size * .5, barwidth, h, true, type, 1, paper);
cvr.bars.push(bar);
size && bar.attr({path: path});
bar.h = h;
bar.y = y + height - barvgutter - !!size * .5 - h;
covers.push(cover = paper.rect(bar.x - bar.w / 2, bar.y, barwidth, bar.value * Y).attr(chartinst.shim));
cover.bar = bar;
cover.value = bar.value;
size += bar.value;
}
X += barwidth;
}
X += barhgutter;
}
covers2.toFront();
X = x + barhgutter;
if (!opts.stacked) {
for (var i = 0; i < len; i++) {
for (var j = 0; j < (multi || 1); j++) {
var cover;
covers.push(cover = paper.rect(Math.round(X), y + barvgutter, barwidth, height - barvgutter).attr(chartinst.shim));
cover.bar = multi ? bars[j][i] : bars[i];
cover.value = cover.bar.value;
X += barwidth;
}
X += barhgutter;
}
}
chart.label = function (labels, isBottom) {
labels = labels || [];
this.labels = paper.set();
var L, l = -Infinity;
if (opts.stacked) {
for (var i = 0; i < len; i++) {
var tot = 0;
for (var j = 0; j < (multi || 1); j++) {
tot += multi ? values[j][i] : values[i];
if (j == multi - 1) {
var label = paper.labelise(labels[i], tot, total);
L = paper.text(bars[i * (multi || 1) + j].x, y + height - barvgutter / 2, label).attr(txtattr).insertBefore(covers[i * (multi || 1) + j]);
var bb = L.getBBox();
if (bb.x - 7 < l) {
L.remove();
} else {
this.labels.push(L);
l = bb.x + bb.width;
}
}
}
}
} else {
for (var i = 0; i < len; i++) {
for (var j = 0; j < (multi || 1); j++) {
var label = paper.labelise(multi ? labels[j] && labels[j][i] : labels[i], multi ? values[j][i] : values[i], total);
L = paper.text(bars[i * (multi || 1) + j].x, isBottom ? y + height - barvgutter / 2 : bars[i * (multi || 1) + j].y - 10, label).attr(txtattr).insertBefore(covers[i * (multi || 1) + j]);
var bb = L.getBBox();
if (bb.x - 7 < l) {
L.remove();
} else {
this.labels.push(L);
l = bb.x + bb.width;
}
}
}
}
return this;
};
chart.hover = function (fin, fout) {
covers2.hide();
covers.show();
covers.mouseover(fin).mouseout(fout);
return this;
};
chart.hoverColumn = function (fin, fout) {
covers.hide();
covers2.show();
fout = fout || function () {};
covers2.mouseover(fin).mouseout(fout);
return this;
};
chart.click = function (f) {
covers2.hide();
covers.show();
covers.click(f);
return this;
};
chart.each = function (f) {
if (!Raphael.is(f, "function")) {
return this;
}
for (var i = covers.length; i--;) {
f.call(covers[i]);
}
return this;
};
chart.eachColumn = function (f) {
if (!Raphael.is(f, "function")) {
return this;
}
for (var i = covers2.length; i--;) {
f.call(covers2[i]);
}
return this;
};
chart.clickColumn = function (f) {
covers.hide();
covers2.show();
covers2.click(f);
return this;
};
chart.push(bars, covers, covers2);
chart.bars = bars;
chart.covers = covers;
return chart;
};
//inheritance
var F = function() {};
F.prototype = Raphael.g;
HBarchart.prototype = VBarchart.prototype = new F; //prototype reused by hbarchart
Raphael.fn.barchart = function(x, y, width, height, values, opts) {
return new VBarchart(this, x, y, width, height, values, opts);
};
/*\
* Paper.barchart
[ method ]
**
* Creates a horizontal bar chart
**
> Parameters
**
- x (number) x coordinate of the chart
- y (number) y coordinate of the chart
- width (number) width of the chart (respected by all elements in the set)
- height (number) height of the chart (respected by all elements in the set)
- values (array) values
- opts (object) options for the chart
o {
o type (string) type of endings of the bar. Default: 'square'. Other options are: 'round', 'sharp', 'soft'.
o gutter (number)(string) default '20%' (WHAT DOES IT DO?)
o vgutter (number)
o colors (array) colors be used repeatedly to plot the bars. If multicolumn bar is used each sequence of bars with use a different color.
o stacked (boolean) whether or not to tread values as in a stacked bar chart
o to
o stretch (boolean)
o }
**
= (object) path element of the popup
> Usage
| r.barchart(0, 0, 620, 260, [76, 70, 67, 71, 69], {})
\*/
function HBarchart(paper, x, y, width, height, values, opts) {
opts = opts || {};
var chartinst = this,
type = opts.type || "square",
gutter = parseFloat(opts.gutter || "20%"),
chart = paper.set(),
bars = paper.set(),
covers = paper.set(),
covers2 = paper.set(),
total = Math.max.apply(Math, values),
stacktotal = [],
multi = 0,
colors = opts.colors || chartinst.colors,
len = values.length;
if (Raphael.is(values[0], "array")) {
total = [];
multi = len;
len = 0;
for (var i = values.length; i--;) {
bars.push(paper.set());
total.push(Math.max.apply(Math, values[i]));
len = Math.max(len, values[i].length);
}
if (opts.stacked) {
for (var i = len; i--;) {
var tot = 0;
for (var j = values.length; j--;) {
tot +=+ values[j][i] || 0;
}
stacktotal.push(tot);
}
}
for (var i = values.length; i--;) {
if (values[i].length < len) {
for (var j = len; j--;) {
values[i].push(0);
}
}
}
total = Math.max.apply(Math, opts.stacked ? stacktotal : total);
}
total = (opts.to) || total;
var barheight = Math.floor(height / (len * (100 + gutter) + gutter) * 100),
bargutter = Math.floor(barheight * gutter / 100),
stack = [],
Y = y + bargutter,
X = (width - 1) / total;
!opts.stacked && (barheight /= multi || 1);
for (var i = 0; i < len; i++) {
stack = [];
for (var j = 0; j < (multi || 1); j++) {
var val = multi ? values[j][i] : values[i],
bar = finger(x, Y + barheight / 2, Math.round(val * X), barheight - 1, false, type, null, paper).attr({stroke: "none", fill: colors[multi ? j : i]});
if (multi) {
bars[j].push(bar);
} else {
bars.push(bar);
}
bar.x = x + Math.round(val * X);
bar.y = Y + barheight / 2;
bar.w = Math.round(val * X);
bar.h = barheight;
bar.value = +val;
if (!opts.stacked) {
Y += barheight;
} else {
stack.push(bar);
}
}
if (opts.stacked) {
var cvr = paper.rect(x, stack[0].y - stack[0].h / 2, width, barheight).attr(chartinst.shim);
covers2.push(cvr);
cvr.bars = paper.set();
var size = 0;
for (var s = stack.length; s--;) {
stack[s].toFront();
}
for (var s = 0, ss = stack.length; s < ss; s++) {
var bar = stack[s],
cover,
val = Math.round((size + bar.value) * X),
path = finger(x, bar.y, val, barheight - 1, false, type, 1, paper);
cvr.bars.push(bar);
size && bar.attr({ path: path });
bar.w = val;
bar.x = x + val;
covers.push(cover = paper.rect(x + size * X, bar.y - bar.h / 2, bar.value * X, barheight).attr(chartinst.shim));
cover.bar = bar;
size += bar.value;
}
Y += barheight;
}
Y += bargutter;
}
covers2.toFront();
Y = y + bargutter;
if (!opts.stacked) {
for (var i = 0; i < len; i++) {
for (var j = 0; j < (multi || 1); j++) {
var cover = paper.rect(x, Y, width, barheight).attr(chartinst.shim);
covers.push(cover);
cover.bar = multi ? bars[j][i] : bars[i];
cover.value = cover.bar.value;
Y += barheight;
}
Y += bargutter;
}
}
chart.label = function (labels, isRight) {
labels = labels || [];
this.labels = paper.set();
for (var i = 0; i < len; i++) {
for (var j = 0; j < multi; j++) {
var label = paper.labelise(multi ? labels[j] && labels[j][i] : labels[i], multi ? values[j][i] : values[i], total),
X = isRight ? bars[i * (multi || 1) + j].x - barheight / 2 + 3 : x + 5,
A = isRight ? "end" : "start",
L;
this.labels.push(L = paper.text(X, bars[i * (multi || 1) + j].y, label).attr(txtattr).attr({ "text-anchor": A }).insertBefore(covers[0]));
if (L.getBBox().x < x + 5) {
L.attr({x: x + 5, "text-anchor": "start"});
} else {
bars[i * (multi || 1) + j].label = L;
}
}
}
return this;
};
chart.hover = function (fin, fout) {
covers2.hide();
covers.show();
fout = fout || function () {};
covers.mouseover(fin).mouseout(fout);
return this;
};
chart.hoverColumn = function (fin, fout) {
covers.hide();
covers2.show();
fout = fout || function () {};
covers2.mouseover(fin).mouseout(fout);
return this;
};
chart.each = function (f) {
if (!Raphael.is(f, "function")) {
return this;
}
for (var i = covers.length; i--;) {
f.call(covers[i]);
}
return this;
};
chart.eachColumn = function (f) {
if (!Raphael.is(f, "function")) {
return this;
}
for (var i = covers2.length; i--;) {
f.call(covers2[i]);
}
return this;
};
chart.click = function (f) {
covers2.hide();
covers.show();
covers.click(f);
return this;
};
chart.clickColumn = function (f) {
covers.hide();
covers2.show();
covers2.click(f);
return this;
};
chart.push(bars, covers, covers2);
chart.bars = bars;
chart.covers = covers;
return chart;
};
Raphael.fn.hbarchart = function(x, y, width, height, values, opts) {
return new HBarchart(this, x, y, width, height, values, opts);
};
})();