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raphael.util.js
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raphael.util.js
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(function () {
var tokenRegex = /\{([^\}]+)\}/g,
objNotationRegex = /(?:(?:^|\.)(.+?)(?=\[|\.|$|\()|\[('|")(.+?)\2\])(\(\))?/g, // matches .xxxxx or ["xxxxx"] to run over object properties
replacer = function (all, key, obj) {
var res = obj;
key.replace(objNotationRegex, function (all, name, quote, quotedName, isFunc) {
name = name || quotedName;
if (res) {
if (name in res) {
res = res[name];
}
typeof res == "function" && isFunc && (res = res());
}
});
res = (res == null || res == obj ? all : res) + "";
return res;
},
fill = function (str, obj) {
return String(str).replace(tokenRegex, function (all, key) {
return replacer(all, key, obj);
});
};
Raphael.fn.popup = function (X, Y, set, pos, ret) {
pos = String(pos || "top-middle").split("-");
pos[1] = pos[1] || "middle";
var r = 5,
bb = set.getBBox(),
w = Math.round(bb.width),
h = Math.round(bb.height),
x = Math.round(bb.x) - r,
y = Math.round(bb.y) - r,
gap = Math.min(h / 2, w / 2, 10),
shapes = {
top: "M{x},{y}h{w4},{w4},{w4},{w4}a{r},{r},0,0,1,{r},{r}v{h4},{h4},{h4},{h4}a{r},{r},0,0,1,-{r},{r}l-{right},0-{gap},{gap}-{gap}-{gap}-{left},0a{r},{r},0,0,1-{r}-{r}v-{h4}-{h4}-{h4}-{h4}a{r},{r},0,0,1,{r}-{r}z",
bottom: "M{x},{y}l{left},0,{gap}-{gap},{gap},{gap},{right},0a{r},{r},0,0,1,{r},{r}v{h4},{h4},{h4},{h4}a{r},{r},0,0,1,-{r},{r}h-{w4}-{w4}-{w4}-{w4}a{r},{r},0,0,1-{r}-{r}v-{h4}-{h4}-{h4}-{h4}a{r},{r},0,0,1,{r}-{r}z",
right: "M{x},{y}h{w4},{w4},{w4},{w4}a{r},{r},0,0,1,{r},{r}v{h4},{h4},{h4},{h4}a{r},{r},0,0,1,-{r},{r}h-{w4}-{w4}-{w4}-{w4}a{r},{r},0,0,1-{r}-{r}l0-{bottom}-{gap}-{gap},{gap}-{gap},0-{top}a{r},{r},0,0,1,{r}-{r}z",
left: "M{x},{y}h{w4},{w4},{w4},{w4}a{r},{r},0,0,1,{r},{r}l0,{top},{gap},{gap}-{gap},{gap},0,{bottom}a{r},{r},0,0,1,-{r},{r}h-{w4}-{w4}-{w4}-{w4}a{r},{r},0,0,1-{r}-{r}v-{h4}-{h4}-{h4}-{h4}a{r},{r},0,0,1,{r}-{r}z"
},
offset = {
hx0: X - (x + r + w - gap * 2),
hx1: X - (x + r + w / 2 - gap),
hx2: X - (x + r + gap),
vhy: Y - (y + r + h + r + gap),
"^hy": Y - (y - gap)
},
mask = [{
x: x + r,
y: y,
w: w,
w4: w / 4,
h4: h / 4,
right: 0,
left: w - gap * 2,
bottom: 0,
top: h - gap * 2,
r: r,
h: h,
gap: gap
}, {
x: x + r,
y: y,
w: w,
w4: w / 4,
h4: h / 4,
left: w / 2 - gap,
right: w / 2 - gap,
top: h / 2 - gap,
bottom: h / 2 - gap,
r: r,
h: h,
gap: gap
}, {
x: x + r,
y: y,
w: w,
w4: w / 4,
h4: h / 4,
left: 0,
right: w - gap * 2,
top: 0,
bottom: h - gap * 2,
r: r,
h: h,
gap: gap
}][pos[1] == "middle" ? 1 : (pos[1] == "top" || pos[1] == "left") * 2];
var dx = 0,
dy = 0,
out = this.path(fill(shapes[pos[0]], mask)).insertBefore(set);
switch (pos[0]) {
case "top":
dx = X - (x + r + mask.left + gap);
dy = Y - (y + r + h + r + gap);
break;
case "bottom":
dx = X - (x + r + mask.left + gap);
dy = Y - (y - gap);
break;
case "left":
dx = X - (x + r + w + r + gap);
dy = Y - (y + r + mask.top + gap);
break;
case "right":
dx = X - (x - gap);
dy = Y - (y + r + mask.top + gap);
break;
}
out.translate(dx, dy);
if (ret) {
ret = out.attr("path");
out.remove();
return {
path: ret,
dx: dx,
dy: dy
};
}
set.translate(dx, dy);
return out;
};
})();
Raphael.fn.drawGrid = function (x, y, w, h, wv, hv, color) {
color = color || "#000";
var path = [
"M", Math.round(x) + .5, Math.round(y) + .5,
"L", Math.round(x + w) + .5,
Math.round(y) + .5,
Math.round(x + w) + .5,
//Math.round(y + h) + .5,
//Math.round(x) + .5,
//Math.round(y + h) + .5,
//Math.round(x) + .5,
//Math.round(y) + .5],
],
rowHeight = h / hv,
columnWidth = w / wv;
for (var i = 1; i < hv; i++) {
path = path.concat(["M", Math.round(x) + .5, Math.round(y + i * rowHeight) + .5, "H", Math.round(x + w) + .5]);
}
for (i = 1; i < wv; i++) {
path = path.concat(["M", Math.round(x + i * columnWidth) + .5, Math.round(y) + .5, "V", Math.round(y + h) + .5]);
}
return this.path(path.join(",")).attr({stroke: color}).toBack();
};
Raphael.el.isAbsolute = true;
Raphael.el.absolutely = function () {
this.isAbsolute = 1;
return this;
};
Raphael.el.relatively = function () {
this.isAbsolute = 0;
return this;
};
Raphael.el.moveTo = function (x, y) {
this._last = {x: x, y: y};
return this.attr({path: this.attrs.path + ["m", "M"][+this.isAbsolute] + parseFloat(x) + " " + parseFloat(y)});
};
Raphael.el.lineTo = function (x, y) {
this._last = {x: x, y: y};
return this.attr({path: this.attrs.path + ["l", "L"][+this.isAbsolute] + parseFloat(x) + " " + parseFloat(y)});
};
Raphael.el.arcTo = function (rx, ry, large_arc_flag, sweep_flag, x, y, angle) {
this._last = {x: x, y: y};
return this.attr({path: this.attrs.path + ["a", "A"][+this.isAbsolute] + [parseFloat(rx), parseFloat(ry), +angle, large_arc_flag, sweep_flag, parseFloat(x), parseFloat(y)].join(" ")});
};
Raphael.el.curveTo = function () {
var args = Array.prototype.splice.call(arguments, 0, arguments.length),
d = [0, 0, 0, 0, "s", 0, "c"][args.length] || "";
this.isAbsolute && (d = d.toUpperCase());
this._last = {x: args[args.length - 2], y: args[args.length - 1]};
return this.attr({path: this.attrs.path + d + args});
};
Raphael.el.cplineTo = function (x, y, w) {
this.attr({path: this.attrs.path + ["C", this._last.x + w, this._last.y, x - w, y, x, y]});
this._last = {x: x, y: y};
return this;
};
Raphael.el.qcurveTo = function () {
var d = [0, 1, "t", 3, "q"][arguments.length],
args = Array.prototype.splice.call(arguments, 0, arguments.length);
if (this.isAbsolute) {
d = d.toUpperCase();
}
this._last = {x: args[args.length - 2], y: args[args.length - 1]};
return this.attr({path: this.attrs.path + d + args});
};
Raphael.el.addRoundedCorner = function (r, dir) {
var rollback = this.isAbsolute;
rollback && this.relatively();
this._last = {x: r * (!!(dir.indexOf("r") + 1) * 2 - 1), y: r * (!!(dir.indexOf("d") + 1) * 2 - 1)};
this.arcTo(r, r, 0, {"lu": 1, "rd": 1, "ur": 1, "dl": 1}[dir] || 0, this._last.x, this._last.y);
rollback && this.absolutely();
return this;
};
Raphael.el.andClose = function () {
return this.attr({path: this.attrs.path + "z"});
};
function getAnchors(p1x, p1y, p2x, p2y, p3x, p3y) {
var l1 = (p2x - p1x) / 2,
l2 = (p3x - p2x) / 2,
a = Math.atan((p2x - p1x) / Math.abs(p2y - p1y)),
b = Math.atan((p3x - p2x) / Math.abs(p2y - p3y));
a = p1y < p2y ? Math.PI - a : a;
b = p3y < p2y ? Math.PI - b : b;
var alpha = Math.PI / 2 - ((a + b) % (Math.PI * 2)) / 2,
dx1 = l1 * Math.sin(alpha + a),
dy1 = l1 * Math.cos(alpha + a),
dx2 = l2 * Math.sin(alpha + b),
dy2 = l2 * Math.cos(alpha + b);
return {
x1: p2x - dx1,
y1: p2y + dy1,
x2: p2x + dx2,
y2: p2y + dy2
};
}