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mirror of https://github.com/monero-project/monero-gui synced 2024-12-22 03:15:52 +01:00
monero-gui/js/Utils.js

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JavaScript
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/**
* Formats a date.
* @param {date} date - toggle decorations
* @param {params} params -
*/
function formatDate( date, params ) {
var options = {
weekday: "short",
year: "numeric",
month: "long",
day: "numeric",
hour: "2-digit",
minute: "2-digit",
timeZone: "UTC",
timeZoneName: "short",
};
options = [options, params].reduce(function (r, o) {
Object.keys(o).forEach(function (k) { r[k] = o[k]; });
return r;
}, {});
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toLocaleString
return new Date( date ).toLocaleString( 'en-US', options );
}
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function isNumeric(n) {
return !isNaN(parseFloat(n)) && isFinite(n);
}
function showSeedPage() {
// Shows `Settings->Seed & keys`. Prompts a password dialog.
passwordDialog.onAcceptedCallback = function() {
if(walletPassword === passwordDialog.password){
if(currentWallet.seedLanguage == "") {
console.log("No seed language set. Using English as default");
currentWallet.setSeedLanguage("English");
}
// Load keys page
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appWindow.showPageRequest("Keys");
} else {
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passwordDialog.showError(qsTr("Wrong password"));
}
}
passwordDialog.onRejectedCallback = function() {
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leftPanel.selectItem(middlePanel.state);
}
passwordDialog.open();
updateBalance();
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}
function ago(epoch) {
// Returns '<delta> [seconds|minutes|hours|days] ago' string given an epoch
var now = new Date().getTime() / 1000;
var delta = now - epoch;
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if(delta < 60)
return qsTr("%n second(s) ago", "0", Math.floor(delta))
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else if (delta < 3600)
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return qsTr("%n minute(s) ago", "0", Math.floor(delta / 60))
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else if (delta < 86400)
return qsTr("%n hour(s) ago", "0", Math.floor(delta / 3600))
else
return qsTr("%n day(s) ago", "0", Math.floor(delta / 86400))
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}
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function netTypeToString(){
// 0: mainnet, 1: testnet, 2: stagenet
var nettype = appWindow.persistentSettings.nettype;
return nettype == 1 ? qsTr("Testnet") : nettype == 2 ? qsTr("Stagenet") : qsTr("Mainnet");
}
function epoch(){
return Math.floor((new Date).getTime()/1000);
}
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function roundDownToNearestThousand(_num){
return Math.floor(_num/1000.0)*1000
}
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function qmlEach(item, properties, ignoredObjectNames, arr){
// Traverse QML object tree and return components that match
// via property names. Similar to jQuery("myclass").each(...
// item: root QML object
// properties: list of strings
// ignoredObjectNames: list of strings
if(typeof(arr) == 'undefined') arr = [];
if(item.hasOwnProperty('data') && item['data'].length > 0){
for(var i = 0; i < item['data'].length; i += 1){
arr = qmlEach(item['data'][i], properties, ignoredObjectNames, arr);
}
}
// ignore QML objects on .objectName
for(var a = 0; a < ignoredObjectNames.length; a += 1){
if(item.objectName === ignoredObjectNames[a]){
return arr;
}
}
for(var u = 0; u < properties.length; u += 1){
if(item.hasOwnProperty(properties[u])) arr.push(item);
else break;
}
return arr;
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}
function capitalize(s){
if (typeof s !== 'string') return ''
return s.charAt(0).toUpperCase() + s.slice(1)
}
function removeTrailingZeros(value) {
return (value + '').replace(/(\.\d*?)0+$/, '$1').replace(/\.$/, '');
}
function parseDateStringOrRestoreHeightAsInteger(value) {
// Parse date string or restore height as integer
var restoreHeight = 0;
if (value.indexOf('-') === 4 && value.length === 10) {
restoreHeight = Wizard.getApproximateBlockchainHeight(value, Utils.netTypeToString());
} else if (parseInt(value.substring(0, 4)) >= 2014 && parseInt(value.substring(0, 4)) <= 2025 && value.length === 8) {
// Correct date typed in a wrong format (20201225 instead of 2020-12-25)
var restoreHeightHyphenated = value.substring(0, 4) + "-" + value.substring(4, 6) + "-" + value.substring(6, 8);
restoreHeight = Wizard.getApproximateBlockchainHeight(restoreHeightHyphenated, Utils.netTypeToString());
} else {
restoreHeight = parseInt(value);
}
return restoreHeight;
}