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macros.js
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macros.js
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/*
* Functions that return a set of properties and their values.
* They can be inserted as style rules using "has" property.
*/
/**
* Return rounded corner properties. Call with an optional side and a radius.
*
* roundedCorners(10);
* roundedCorners('left', 8);
* roundedCorners('tl', 6);
*
* @param side tl, tr, bl, br, left, right, top or bottom or "all", the default
* @param radius pixel measurement
*/
function roundedCorners(side, radius) {
if (!radius) {
radius = side || 10;
side = 'all';
}
if (side == 'all') {
return {
'-moz-border-radius': radius,
'border-radius': radius,
'-webkit-border-radius': radius
// behavior: 'url(src/border-radius.htc)',
// position: 'relative',zoom: '1'
}
} else {
var rules = {};
if (side == 'tl' || side == 'top' || side == 'left') {
rules['-moz-border-radius-topleft'] = radius;
rules['-webkit-border-top-left-radius'] = radius;
rules['border-top-left-radius'] = radius;
}
if (side == 'tr' || side == 'top' || side == 'right') {
rules['-webkit-border-top-right-radius'] = radius;
rules['-moz-border-radius-topright'] = radius;
rules['border-top-right-radius'] = radius;
}
if (side == 'bl' || side == 'bottom' || side == 'left') {
rules['-webkit-border-bottom-left-radius'] = radius;
rules['-moz-border-radius-bottomleft'] = radius;
rules['border-bottom-left-radius'] = radius;
}
if (side == 'br' || side == 'bottom' || side == 'right') {
rules['-webkit-border-bottom-right-radius'] = radius;
rules['-moz-border-radius-bottomright'] = radius;
rules['border-bottom-right-radius'] = radius;
}
return rules;
}
}
/*
Cross-browser box shadow code.
offsetOrDirection: an array holding the x offset and y offset
radius: radius of the shadow
color: color of the shadow
*/
function boxShadow(offsetOrDirection, radius, color) {
var xOffset, yOffset, strength, direction;
if (typeof offsetOrDirection.length == 'undefined') {
throw 'Not yet supported'
} else if (offsetOrDirection.length == 2) {
xOffset = offsetOrDirection[0];
yOffset = offsetOrDirection[1];
strength = 4;
direction = 135; // should be angle (atan) of above numbers
} else {
throw "boxShadow requires a direction (degree) or [xOffset, yOffset] in px measurements."
}
return {
'-moz-box-shadow': '' + xOffset + 'px ' + yOffset + 'px ' + radius + 'px ' + color,
'-webkit-box-shadow': '' + xOffset + 'px ' + yOffset + 'px ' + radius + 'px ' + color,
boxShadow: '' + xOffset + 'px ' + yOffset + 'px ' + radius + 'px ' + color,
'-ms-filter': "progid:DXImageTransform.Microsoft.Shadow(Strength=" + strength + ", Direction=" + direction + ", Color='" + color + "')",// IE 8
filter: "progid:DXImageTransform.Microsoft.Shadow(Strength=" + strength + ", Direction=" + direction + ", Color='" + color + "')" // IE 5.5 - 7
};
}
/**
Basic Phark image replacement, defined here:
http://www.mezzoblue.com/tests/revised-image-replacement/
Supports sprites with option image positioning parameters (which default to 0).
These values will (generally) be negative.
width: width in pixels
height: height in pixels
img: url for the image, suitable for putting into a url() wrapper
*/
function imageReplacement(width, height, img, imgXPosition, imgYPosition) {
if (typeof width == 'undefined' || typeof height == 'undefined' || typeof img == 'undefined') {
throw "imageReplacement() requires width, height and img";
}
return {
display: 'block',
width: width,
height: height,
backgroundImage: 'url(' + img + ')',
backgroundRepeat: 'no-repeat',
backgroundPosition: '' + (imgXPosition || 0) + 'px ' + (imgYPosition || 0) + 'px',
textIndent: -20000,
overflow: 'hidden'
};
}
function clearfix() {
return {
display: 'inline-block',
'&:after': {
content: ' ',
display: 'block',
width: 0,
height: 0,
lineHeight: 0,
fontSize: 0,
clear: 'both',
visibility: 'hidden'
}
};
//.clearfix {display: inline-block;} /* for IE/Mac */
//
//<!--[if IE]>
//<style type="text/css">
// .clearfix {
// zoom: 1; /* triggers hasLayout */
//} /* Only IE can see inside the conditional comment
//and read this CSS rule. Don't ever use a normal HTML
//comment inside the CC or it will close prematurely. */
//</style>
//<![endif]-->
}
// http://stackoverflow.com/questions/148251/css-centering-tricks
function horizontalCentering(width) {
return {
width: width,
position: 'absolute',
left: '50%',
marginLeft: -(width / 2)
}
}
// http://stackoverflow.com/questions/148251/css-centering-tricks
function verticalCentering(height) {
return {
height: height,
position: 'absolute',
top: '50%',
marginTop: -(height / 2)
}
}