aaac7fed
 liuqimichale
add
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
'use strict';
exports.type = 'perItemReverse';
exports.active = true;
exports.description = 'moves elements attributes to the existing group wrapper';
var inheritableAttrs = require('./_collections').inheritableAttrs,
pathElems = require('./_collections.js').pathElems;
/**
* Collapse content's intersected and inheritable
* attributes to the existing group wrapper.
*
* @example
* <g attr1="val1">
* <g attr2="val2">
* text
* </g>
* <circle attr2="val2" attr3="val3"/>
* </g>
* ⬇
* <g attr1="val1" attr2="val2">
* <g>
* text
* </g>
* <circle attr3="val3"/>
* </g>
*
* @param {Object} item current iteration item
* @return {Boolean} if false, item will be filtered out
*
* @author Kir Belevich
*/
exports.fn = function(item) {
if (item.isElem('g') && !item.isEmpty() && item.content.length > 1) {
var intersection = {},
hasTransform = false,
hasClip = item.hasAttr('clip-path') || item.hasAttr('mask'),
intersected = item.content.every(function(inner) {
if (inner.isElem() && inner.hasAttr()) {
// don't mess with possible styles (hack until CSS parsing is implemented)
if (inner.hasAttr('class')) return false;
if (!Object.keys(intersection).length) {
intersection = inner.attrs;
} else {
intersection = intersectInheritableAttrs(intersection, inner.attrs);
if (!intersection) return false;
}
return true;
}
}),
allPath = item.content.every(function(inner) {
return inner.isElem(pathElems);
});
if (intersected) {
item.content.forEach(function(g) {
for (var name in intersection) {
if (!allPath && !hasClip || name !== 'transform') {
g.removeAttr(name);
if (name === 'transform') {
if (!hasTransform) {
if (item.hasAttr('transform')) {
item.attr('transform').value += ' ' + intersection[name].value;
} else {
item.addAttr(intersection[name]);
}
hasTransform = true;
}
} else {
item.addAttr(intersection[name]);
}
}
}
});
}
}
};
/**
* Intersect inheritable attributes.
*
* @param {Object} a first attrs object
* @param {Object} b second attrs object
*
* @return {Object} intersected attrs object
*/
function intersectInheritableAttrs(a, b) {
var c = {};
for (var n in a) {
if (
b.hasOwnProperty(n) &&
inheritableAttrs.indexOf(n) > -1 &&
a[n].name === b[n].name &&
a[n].value === b[n].value &&
a[n].prefix === b[n].prefix &&
a[n].local === b[n].local
) {
c[n] = a[n];
}
}
if (!Object.keys(c).length) return false;
return c;
}
|
