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83 lines
2.4 KiB
83 lines
2.4 KiB
7 years ago
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/**
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* Created by User on 2017/3/22.
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*/
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Demo.SingleSelectCombo = BI.inherit(BI.Widget, {
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props: {
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baseCls: "demo-single-select-combo"
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},
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_createSingleSelectCombo: function () {
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var self = this;
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var widget = BI.createWidget({
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type: 'bi.single_select_combo',
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itemsCreator: BI.bind(this._itemsCreator, this),
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width: 200
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});
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widget.on(BI.SingleSelectCombo.EVENT_CONFIRM, function () {
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BI.Msg.toast(JSON.stringify(this.getValue()));
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});
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return widget;
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},
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_getItemsByTimes: function (items, times) {
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var res = [];
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for (var i = (times - 1) * 10; items[i] && i < times * 10; i++) {
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res.push(items[i]);
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}
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return res;
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},
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_hasNextByTimes: function (items, times) {
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return times * 10 < items.length;
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},
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_itemsCreator: function (options, callback) {
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var self = this;
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var items = Demo.CONSTANTS.ITEMS;
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var keywords = (options.keywords || []).slice();
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if (options.keyword) {
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keywords.push(options.keyword);
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}
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BI.each(keywords, function (i, kw) {
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var search = BI.Func.getSearchResult(items, kw);
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items = search.matched.concat(search.finded);
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});
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if (options.selectedValues) {//过滤
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var filter = BI.makeObject(options.selectedValues, true);
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items = BI.filter(items, function (i, ob) {
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return !filter[ob.value];
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});
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}
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if (options.type == BI.SingleSelectCombo.REQ_GET_ALL_DATA) {
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callback({
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items: items
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});
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return;
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}
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if (options.type == BI.SingleSelectCombo.REQ_GET_DATA_LENGTH) {
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callback({count: items.length});
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return;
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}
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BI.delay(function () {
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callback({
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items: self._getItemsByTimes(items, options.times),
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hasNext: self._hasNextByTimes(items, options.times)
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});
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}, 1000);
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},
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render: function () {
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return {
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type: 'bi.absolute',
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scrolly: false,
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items: [{
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el: this._createSingleSelectCombo(),
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right: "50%",
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top: 10
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}]
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}
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}
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});
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BI.shortcut("demo.single_select_combo", Demo.SingleSelectCombo);
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