slickgrid
Version:
A lightning fast JavaScript grid/spreadsheet
146 lines (144 loc) • 8.25 kB
JavaScript
"use strict";
(() => {
var __defProp = Object.defineProperty;
var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: !0, configurable: !0, writable: !0, value }) : obj[key] = value;
var __publicField = (obj, key, value) => __defNormalProp(obj, typeof key != "symbol" ? key + "" : key, value);
// src/slick.remotemodel-yahoo.ts
var SlickEvent = Slick.Event, SlickRemoteModelYahoo = class {
constructor() {
// protected
__publicField(this, "PAGESIZE", 10);
__publicField(this, "data", { length: 0 });
__publicField(this, "h_request");
__publicField(this, "req", null);
// ajax request
// events
__publicField(this, "onDataLoading", new SlickEvent("onDataLoading"));
__publicField(this, "onDataLoaded", new SlickEvent("onDataLoaded"));
if (!(window.$ || window.jQuery) || !window.$.jsonp)
throw new Error("SlickRemoteModel requires both jQuery and jQuery jsonp library to be loaded.");
this.init();
}
init() {
}
isDataLoaded(from, to) {
for (let i = from; i <= to; i++)
if (this.data[i] === void 0 || this.data[i] === null)
return !1;
return !0;
}
clear() {
for (let key in this.data)
delete this.data[key];
this.data.length = 0;
}
ensureData(from, to) {
if (this.req) {
this.req.abort();
for (let i = this.req.fromPage; i <= this.req.toPage; i++)
this.data[i * this.PAGESIZE] = void 0;
}
from < 0 && (from = 0), this.data.length > 0 && (to = Math.min(to, this.data.length - 1));
let fromPage = Math.floor(from / this.PAGESIZE), toPage = Math.floor(to / this.PAGESIZE);
for (; this.data[fromPage * this.PAGESIZE] !== void 0 && fromPage < toPage; )
fromPage++;
for (; this.data[toPage * this.PAGESIZE] !== void 0 && fromPage < toPage; )
toPage--;
if (fromPage > toPage || fromPage === toPage && this.data[fromPage * this.PAGESIZE] !== void 0) {
this.onDataLoaded.notify({ from, to });
return;
}
let recStart = fromPage * this.PAGESIZE, recCount = (toPage - fromPage) * this.PAGESIZE + this.PAGESIZE, url = "https://query.yahooapis.com/v1/public/yql?q=select%20*%20from%20rss(" + recStart + "%2C" + recCount + ")%20where%20url%3D%22http%3A%2F%2Frss.news.yahoo.com%2Frss%2Ftopstories%22&format=json";
this.h_request && window.clearTimeout(this.h_request), this.h_request = window.setTimeout(() => {
for (let i = fromPage; i <= toPage; i++)
this.data[i * this.PAGESIZE] = null;
this.onDataLoading.notify({ from, to }), this.req = window.$.jsonp({
url,
callbackParameter: "callback",
cache: !0,
success: (json) => {
this.onSuccess(json, recStart);
},
error: () => {
this.onError(fromPage, toPage);
}
}), this.req.fromPage = fromPage, this.req.toPage = toPage;
}, 50);
}
onError(fromPage, toPage) {
alert("error loading pages " + fromPage + " to " + toPage);
}
// SAMPLE DATA
// {
// "query": {
// "count": 40,
// "created": "2015-03-03T00:34:00Z",
// "lang": "en-US",
// "results": {
// "item": [
// {
// "title": "Netanyahu assails Iran deal, touts US-Israel ties",
// "description": "<p><a href=\"http://news.yahoo.com/netanyahu-us-officials-face-off-iran-133539021--politics.html\"><img src=\"http://l2.yimg.com/bt/api/res/1.2/4eoBxbJStrbGAKbmBYOJfg--/YXBwaWQ9eW5ld3M7Zmk9ZmlsbDtoPTg2O3E9NzU7dz0xMzA-/http://media.zenfs.com/en_us/News/ap_webfeeds/2f3a20c2d46d9f096f0f6a706700d430.jpg\" width=\"130\" height=\"86\" alt=\"Israeli Prime Minister Benjamin Netanyahu addresses the 2015 American Israel Public Affairs Committee (AIPAC) Policy Conference in Washington, Monday, March 2, 2015. (AP Photo/Cliff Owen)\" align=\"left\" title=\"Israeli Prime Minister Benjamin Netanyahu addresses the 2015 American Israel Public Affairs Committee (AIPAC) Policy Conference in Washington, Monday, March 2, 2015. (AP Photo/Cliff Owen)\" border=\"0\" /></a>WASHINGTON (AP) — Seeking to lower tensions, Benjamin Netanyahu and U.S. officials cast their dispute over Iran as a family squabble on Monday, even as the Israeli leader claimed President Barack Obama did not — and could not — fully understand his nation's vital security concerns.</p><br clear=\"all\"/>",
// "link": "http://news.yahoo.com/netanyahu-us-officials-face-off-iran-133539021--politics.html",
// "pubDate": "Mon, 02 Mar 2015 19:17:36 -0500",
// "source": {
// "url": "http://www.ap.org/",
// "content": "Associated Press"
// },
// "guid": {
// "isPermaLink": "false",
// "content": "netanyahu-us-officials-face-off-iran-133539021--politics"
// },
// "content": {
// "height": "86",
// "type": "image/jpeg",
// "url": "http://l2.yimg.com/bt/api/res/1.2/4eoBxbJStrbGAKbmBYOJfg--/YXBwaWQ9eW5ld3M7Zmk9ZmlsbDtoPTg2O3E9NzU7dz0xMzA-/http://media.zenfs.com/en_us/News/ap_webfeeds/2f3a20c2d46d9f096f0f6a706700d430.jpg",
// "width": "130"
// },
// "text": {
// "type": "html",
// "content": "<p><a href=\"http://news.yahoo.com/netanyahu-us-officials-face-off-iran-133539021--politics.html\"><img src=\"http://l2.yimg.com/bt/api/res/1.2/4eoBxbJStrbGAKbmBYOJfg--/YXBwaWQ9eW5ld3M7Zmk9ZmlsbDtoPTg2O3E9NzU7dz0xMzA-/http://media.zenfs.com/en_us/News/ap_webfeeds/2f3a20c2d46d9f096f0f6a706700d430.jpg\" width=\"130\" height=\"86\" alt=\"Israeli Prime Minister Benjamin Netanyahu addresses the 2015 American Israel Public Affairs Committee (AIPAC) Policy Conference in Washington, Monday, March 2, 2015. (AP Photo/Cliff Owen)\" align=\"left\" title=\"Israeli Prime Minister Benjamin Netanyahu addresses the 2015 American Israel Public Affairs Committee (AIPAC) Policy Conference in Washington, Monday, March 2, 2015. (AP Photo/Cliff Owen)\" border=\"0\" /></a>WASHINGTON (AP) — Seeking to lower tensions, Benjamin Netanyahu and U.S. officials cast their dispute over Iran as a family squabble on Monday, even as the Israeli leader claimed President Barack Obama did not — and could not — fully understand his nation's vital security concerns.</p><br clear=\"all\"/>"
// },
// "credit": {
// "role": "publishing company"
// }
// },
// {... },
// {... },
// ]
// }
// }
// }
onSuccess(json, recStart) {
let recEnd = recStart;
if (json.query.count > 0) {
let results = json.query.results.item;
recEnd = recStart + results.length, this.data.length = 100;
for (let i = 0; i < results.length; i++) {
let item = results[i];
item.pubDate = new Date(item.pubDate), this.data[recStart + i] = { index: recStart + i }, this.data[recStart + i].pubDate = item.pubDate, this.data[recStart + i].title = item.title, this.data[recStart + i].url = item.link, this.data[recStart + i].text = item.description;
}
}
this.req = null, this.onDataLoaded.notify({ from: recStart, to: recEnd });
}
reloadData(from, to) {
for (let i = from; i <= to; i++)
delete this.data[i];
this.ensureData(from, to);
}
// return {
// // properties
// "data": data,
// // methods
// "clear": clear,
// "isDataLoaded": isDataLoaded,
// "ensureData": ensureData,
// "reloadData": reloadData,
// // events
// "onDataLoading": onDataLoading,
// "onDataLoaded": onDataLoaded
// };
};
window.Slick && (window.Slick.Data = window.Slick.Data || {}, window.Slick.Data.RemoteModelYahoo = SlickRemoteModelYahoo);
})();
//# sourceMappingURL=slick.remotemodel-yahoo.js.map