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