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
|
/* eslint-disable */
const Filter = {
keydown: function(e){
if (this.destroyed) return;
var hiddenCount = 0;
var dataHiddenCount = 0;
var list = e.detail.hook.list;
var data = list.data;
var value = e.detail.hook.trigger.value.toLowerCase();
var config = e.detail.hook.config.Filter;
var matches = [];
var filterFunction;
// will only work on dynamically set data
if(!data){
return;
}
if (config && config.filterFunction && typeof config.filterFunction === 'function') {
filterFunction = config.filterFunction;
} else {
filterFunction = function(o){
// cheap string search
o.droplab_hidden = o[config.template].toLowerCase().indexOf(value) === -1;
return o;
};
}
dataHiddenCount = data.filter(function(o) {
return !o.droplab_hidden;
}).length;
matches = data.map(function(o) {
return filterFunction(o, value);
});
hiddenCount = matches.filter(function(o) {
return !o.droplab_hidden;
}).length;
if (dataHiddenCount !== hiddenCount) {
list.setData(matches);
list.currentIndex = 0;
}
},
debounceKeydown: function debounceKeydown(e) {
if ([
13, // enter
16, // shift
17, // ctrl
18, // alt
20, // caps lock
37, // left arrow
38, // up arrow
39, // right arrow
40, // down arrow
91, // left window
92, // right window
93, // select
].indexOf(e.detail.which || e.detail.keyCode) > -1) return;
if (this.timeout) clearTimeout(this.timeout);
this.timeout = setTimeout(this.keydown.bind(this, e), 200);
},
init: function init(hook) {
var config = hook.config.Filter;
if (!config || !config.template) return;
this.hook = hook;
this.destroyed = false;
this.eventWrapper = {};
this.eventWrapper.debounceKeydown = this.debounceKeydown.bind(this);
this.hook.trigger.addEventListener('keydown.dl', this.eventWrapper.debounceKeydown);
this.hook.trigger.addEventListener('mousedown.dl', this.eventWrapper.debounceKeydown);
this.debounceKeydown({ detail: { hook: this.hook } });
},
destroy: function destroy() {
if (this.timeout) clearTimeout(this.timeout);
this.destroyed = true;
this.hook.trigger.removeEventListener('keydown.dl', this.eventWrapper.debounceKeydown);
this.hook.trigger.removeEventListener('mousedown.dl', this.eventWrapper.debounceKeydown);
}
};
export default Filter;
|
