add element fadeout/fadein and a shorter xhr helper

master
Andrew Dolgov 2 years ago
parent f645120641
commit dba6dce3b3
  1. 77
      js/common.js

@ -3,13 +3,15 @@
/* global dijit, __, App, dojo, __csrf_token */
/* eslint-disable no-new */
/* exported $ */
function $(id) {
console.warn("FIXME: please use App.byId() or document.getElementById() instead of $():", id);
return document.getElementById(id);
}
/* exported $$ */
function $$(query) {
console.warn("FIXME: please use App.findAll() or document.querySelectorAll() instead of $():", query);
console.warn("FIXME: please use App.findAll() or document.querySelectorAll() instead of $$():", query);
return document.querySelectorAll(query);
}
@ -55,6 +57,34 @@ Element.prototype.toggle = function() {
this.show();
};
// https://gist.github.com/alirezas/c4f9f43e9fe1abba9a4824dd6fc60a55
Element.prototype.fadeOut = function() {
this.style.opacity = 1;
const self = this;
(function fade() {
if ((self.style.opacity -= 0.1) < 0) {
self.style.display = "none";
} else {
requestAnimationFrame(fade);
}
}());
};
Element.prototype.fadeIn = function(display){
this.style.opacity = 0;
this.style.display = display || "block";
const self = this;
(function fade() {
let val = parseFloat(self.style.opacity);
if (!((val += 0.1) > 1)) {
self.style.opacity = val;
requestAnimationFrame(fade);
}
}());
};
Element.prototype.visible = function() {
// TODO: should we actually check for offsetWidth/offsetHeight == 0?
return this.style.display != "none";
@ -109,9 +139,50 @@ String.prototype.stripTags = function() {
return this.replace(/<\w+(\s+("[^"]*"|'[^']*'|[^>])+)?(\/)?>|<\/\w+>/gi, '');
}
/* xhr shorthand helpers */
/* exported xhr */
const xhr = {
post: function(url, params = {}, complete = undefined) {
console.log("xhr.post:", params);
return new Promise((resolve, reject) => {
if (typeof __csrf_token != "undefined")
params = {...params, ...{csrf_token: __csrf_token}};
dojo.xhrPost({url: url,
postData: dojo.objectToQuery(params),
handleAs: "text",
error: function(error) {
reject(error);
},
load: function(data, ioargs) {
if (complete != undefined)
complete(data, ioargs.xhr);
resolve(data)
}}
);
});
},
json: function(url, params = {}, complete = undefined) {
return new Promise((resolve, reject) =>
this.post(url, params).then((data) => {
let obj = null;
try {
obj = JSON.parse(data);
} catch (e) {
console.error("xhr.json", e, xhr);
reject(e);
}
if (complete != undefined) complete(obj);
// TODO: this should become xhr { Post: ..., Json: ... }
resolve(obj);
}
));
}
};
/* exported xhrPost */
function xhrPost(url, params = {}, complete = undefined) {

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