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'combined' direction for popups #204

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'combined' direction for popups #204

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148 changes: 126 additions & 22 deletions g.raphael.js
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,9 @@
> Parameters
**
- dir (string) location of Element relative to the tail: `'down'`, `'left'`, `'up'` [default], or `'right'`.
Can take combined values, such as: `'downright'`,`'downleft'`,`'rightup'`,`'rightdown'` and so on.
First direction shows location of Element relative to xy point (same action like using non-combined value),
Second direction shows location of Element relative to the tail.
- size (number) amount of bevel/padding around the Element, as well as half the width and height of the tail [default: `5`]
- x (number) x coordinate of the popup's tail [default: Element's `x` or `cx`]
- y (number) y coordinate of the popup's tail [default: Element's `y` or `cy`]
Expand Down Expand Up @@ -48,66 +51,167 @@ Raphael.el.popup = function (dir, size, x, y) {
this.translate(x - bb.x - (center ? bb.width / 2 : 0), y - bb.y - (center ? bb.height / 2 : 0));
bb = this.getBBox();

var paths = {
var patterns = {
up: [
'M', x, y,
'l', -size, -size, -cw, 0,
'a', size, size, 0, 0, 1, -size, -size,
'l', 0, -bb.height,
'a', size, size, 0, 0, 1, size, -size,
'l', size * 2 + cw * 2, 0,
'a', size, size, 0, 0, 1, size, size,
'l', 0, bb.height,
'a', size, size, 0, 0, 1, -size, size,
'l', -cw, 0,
'z'
].join(','),
'a', size, size, 0, 0, 1, -size, size
],
down: [
'M', x, y,
'l', size, size, cw, 0,
'a', size, size, 0, 0, 1, size, size,
'l', 0, bb.height,
'a', size, size, 0, 0, 1, -size, size,
'l', -(size * 2 + cw * 2), 0,
'a', size, size, 0, 0, 1, -size, -size,
'l', 0, -bb.height,
'a', size, size, 0, 0, 1, size, -size,
'l', cw, 0,
'z'
].join(','),
],
left: [
'M', x, y,
'l', -size, size, 0, ch,
'a', size, size, 0, 0, 1, -size, size,
'l', -bb.width, 0,
'a', size, size, 0, 0, 1, -size, -size,
'l', 0, -(size * 2 + ch * 2),
'a', size, size, 0, 0, 1, size, -size,
'l', bb.width, 0,
'a', size, size, 0, 0, 1, size, size,
'l', 0, ch,
'z'
].join(','),
],
right: [
'M', x, y,
'l', size, -size, 0, -ch,
'a', size, size, 0, 0, 1, size, -size,
'l', bb.width, 0,
'a', size, size, 0, 0, 1, size, size,
'l', 0, size * 2 + ch * 2,
'a', size, size, 0, 0, 1, -size, size,
'l', -bb.width, 0,
'a', size, size, 0, 0, 1, -size, -size,
'l', 0, -ch,
]
};
var paths = {
up: [
'M', x, y,
'l', -size, -size, -cw, 0
]
.concat(patterns['up'])
.concat([
'l', -cw, 0,
'z'
]).join(','),
down: [
'M', x, y,
'l', size, size, cw, 0
]
.concat(patterns['down'])
.concat([
'l', cw, 0,
'z'
]).join(','),
left: [
'M', x, y,
'l', -size, size, 0, ch
]
.concat(patterns['left'])
.concat([
'l', 0, ch,
'z'
]).join(','),
right: [
'M', x, y,
'l', size, -size, 0, -ch
]
.concat(patterns['right'])
.concat([
'l', 0, -ch,
'z'
]).join(','),
//combined paths
upleft: [
'M', x, y,
'l', -size, -size, -cw * 2, 0
]
.concat(patterns['up'])
.concat([
'z'
]).join(','),
upright: [
'M', x, y,
'l', -size, -size
]
.concat(patterns['up'])
.concat([
'l', -cw * 2, 0,
'z'
]).join(','),
downleft: [
'M', x, y,
'l', size, size
]
.concat(patterns['down'])
.concat([
'l', cw * 2, 0,
'z'
]).join(','),
downright: [
'M', x, y,
'l', size, size, cw * 2, 0
]
.concat(patterns['down'])
.concat([
'z'
]).join(','),
leftup: [
'M', x, y,
'l', -size, size
]
.concat(patterns['left'])
.concat([
'l', 0, ch * 2,
'z'
]).join(','),
leftdown: [
'M', x, y,
'l', -size, size, 0, ch * 2
]
.concat(patterns['left'])
.concat([
'z'
]).join(','),
rightup: [
'M', x, y,
'l', size, -size, 0, -ch * 2
]
.concat(patterns['right'])
.concat([
'z'
]).join(','),
rightdown: [
'M', x, y,
'l', size, -size
]
.concat(patterns['right'])
.concat([
'l', 0, -ch * 2,
'z'
].join(',')
]).join(',')
};

xy = {
up: { x: -!center * (bb.width / 2), y: -size * 2 - (center ? bb.height / 2 : bb.height) },
down: { x: -!center * (bb.width / 2), y: size * 2 + (center ? bb.height / 2 : bb.height) },
left: { x: -size * 2 - (center ? bb.width / 2 : bb.width), y: -!center * (bb.height / 2) },
right: { x: size * 2 + (center ? bb.width / 2 : bb.width), y: -!center * (bb.height / 2) }
right: { x: size * 2 + (center ? bb.width / 2 : bb.width), y: -!center * (bb.height / 2) },

upleft: { x: -bb.width / (center ? 2 : 1) + size, y: -size * 2 - (center ? bb.height / 2 : bb.height) },
upright: { x: (center ? bb.width / 2 : bb.width) - size, y: -size * 2 - (center ? bb.height / 2 : bb.height) },
downleft: { x: -bb.width / (center ? 2 : 1) + size, y: size * 2 + (center ? bb.height / 2 : bb.height) },
downright: { x: (center ? bb.width / 2 : bb.width) - size, y: size * 2 + (center ? bb.height / 2 : bb.height) },
leftup: { x: -size * 2 - (center ? bb.width / 2 : bb.width), y: -bb.height / (center ? 2 : 1) + size },
leftdown: { x: -size * 2 - (center ? bb.width / 2 : bb.width), y: (center ? bb.height / 2 : bb.height) - size },
rightup: { x: size * 2 + (center ? bb.width / 2 : bb.width), y: -bb.height / (center ? 2 : 1) + size },
rightdown: { x: size * 2 + (center ? bb.width / 2 : bb.width), y: (center ? bb.height / 2 : bb.height) - size }

}[dir];

this.translate(xy.x, xy.y);
Expand Down