sortAttrs.js
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'use strict';
exports.type = 'perItem';
exports.active = false;
exports.description = 'sorts element attributes (disabled by default)';
exports.params = {
order: [
'id',
'width', 'height',
'x', 'x1', 'x2',
'y', 'y1', 'y2',
'cx', 'cy', 'r',
'fill', 'stroke', 'marker',
'd', 'points'
]
};
/**
* Sort element attributes for epic readability.
*
* @param {Object} item current iteration item
* @param {Object} params plugin params
*
* @author Nikolay Frantsev
*/
exports.fn = function(item, params) {
var attrs = [],
sorted = {},
orderlen = params.order.length + 1,
xmlnsOrder = params.xmlnsOrder || 'front';
if (item.elem) {
item.eachAttr(function(attr) {
attrs.push(attr);
});
attrs.sort(function(a, b) {
if (a.prefix != b.prefix) {
// xmlns attributes implicitly have the prefix xmlns
if (xmlnsOrder == 'front') {
if (a.prefix == 'xmlns')
return -1;
if (b.prefix == 'xmlns')
return 1;
}
return a.prefix < b.prefix ? -1 : 1;
}
var aindex = orderlen;
var bindex = orderlen;
for (var i = 0; i < params.order.length; i++) {
if (a.name == params.order[i]) {
aindex = i;
} else if (a.name.indexOf(params.order[i] + '-') === 0) {
aindex = i + .5;
}
if (b.name == params.order[i]) {
bindex = i;
} else if (b.name.indexOf(params.order[i] + '-') === 0) {
bindex = i + .5;
}
}
if (aindex != bindex) {
return aindex - bindex;
}
return a.name < b.name ? -1 : 1;
});
attrs.forEach(function (attr) {
sorted[attr.name] = attr;
});
item.attrs = sorted;
}
};