CrowdDiscussesAlternatives/viewreceivedmessages.js

43 lines
2.3 KiB
JavaScript

/*
Crowd Discusses Alternatives is a web application for more organized discussions that help people create alternative solutions, evaluate and rank them.
Copyright 2021-2022 Stavros Kalognomos
This file is part of Crowd Discusses Alternatives.
Crowd Discusses Alternatives is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
Crowd Discusses Alternatives is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License along with Crowd Discusses Alternatives. If not, see <https://www.gnu.org/licenses/>.
*/
var offsetOfM; // they are on global scope and accessed easily. it is better to use closure.
offsetOfM = 0;
function btnShow()
{
let numOfM, ascDesc; //m: message.
numOfM = 20;
ascDesc = document.getElementById('div_ascdesc').innerHTML;
offsetOfM += numOfM;
var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() {
if (this.readyState == 4 && this.status == 200) {
let divShowMoreM, newDivM, buttonShowMoreM;
newDivM = document.createElement("div");
newDivM.setAttribute('id', ('div_messages_' + offsetOfM.toString()));
divShowMoreM = document.getElementById('showm');
buttonShowMoreM = document.getElementById('btn_showm');
divShowMoreM.insertBefore(newDivM, buttonShowMoreM);
newDivM.innerHTML = this.responseText;
}
};
let hrefString, hrefString1, hrefString2, hrefString3, hrefString4, hrefString5, hrefString6;
hrefString1 = "offset=" + offsetOfM.toString();
hrefString6 = "&ascdesc=" + ascDesc;
hrefString = hrefString1 + hrefString6;
xhttp.open("post", "viewreceivedmessages_in2.php", true);
xhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
xhttp.setRequestHeader("Cache-Control", "no-cache");
xhttp.send(hrefString);
}