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Removed unnecessary elements in the page for a clear PDF print of the leetcode question only
// ==UserScript==
// @name Simple Print LeetCode Problems
// @namespace https://greasyfork.org/en/users/114838-groundzyy
// @version 0.3.3.31
// @description Removed unnecessary elements in the page for a clear PDF print of the leetcode question only
// @author groundzyy
// @match https://leetcode.com/problems/*
// ==/UserScript==
function waitForKeyElements (
selectorTxt, /* Required: The jQuery selector string that
specifies the desired element(s).
*/
actionFunction, /* Required: The code to run when elements are
found. It is passed a jNode to the matched
element.
*/
bWaitOnce, /* Optional: If false, will continue to scan for
new elements even after the first match is
found.
*/
iframeSelector /* Optional: If set, identifies the iframe to
search.
*/
) {
var targetNodes, btargetsFound;
if (typeof iframeSelector == "undefined")
targetNodes = $(selectorTxt);
else
targetNodes = $(iframeSelector).contents ()
.find (selectorTxt);
if (targetNodes && targetNodes.length > 0) {
btargetsFound = true;
/*--- Found target node(s). Go through each and act if they
are new.
*/
targetNodes.each ( function () {
var jThis = $(this);
var alreadyFound = jThis.data ('alreadyFound') || false;
if (!alreadyFound) {
//--- Call the payload function.
var cancelFound = actionFunction (jThis);
if (cancelFound)
btargetsFound = false;
else
jThis.data ('alreadyFound', true);
}
} );
}
else {
btargetsFound = false;
}
//--- Get the timer-control variable for this selector.
var controlObj = waitForKeyElements.controlObj || {};
var controlKey = selectorTxt.replace (/[^\w]/g, "_");
var timeControl = controlObj [controlKey];
//--- Now set or clear the timer as appropriate.
if (btargetsFound && bWaitOnce && timeControl) {
//--- The only condition where we need to clear the timer.
clearInterval (timeControl);
delete controlObj [controlKey]
}
else {
//--- Set a timer, if needed.
if ( ! timeControl) {
timeControl = setInterval ( function () {
waitForKeyElements ( selectorTxt,
actionFunction,
bWaitOnce,
iframeSelector
);
},
300
);
controlObj [controlKey] = timeControl;
}
}
waitForKeyElements.controlObj = controlObj;
}
waitForKeyElements (
"div.like-and-dislike"
, commentCallbackFunction
);
//--- Page-specific function to do what we want when the node is found.
function commentCallbackFunction (jNode) {
$('div.content-wrapper > div.navbar').remove();
var diff = $('#desktop-side-bar div ul.side-bar-list li:nth-child(2) span:nth-child(2)').text();
$('.question-title h3').text($('.question-title h3').text() + ' (' + diff + ')');
$('head title').text($('.question-title h3').text().trim().replace('.', ''));
$('div.like-and-dislike').parent().remove();
$('nav.tab-view').parent().remove();
$('div.action-btn-base').remove();
$('div#interviewed-div').remove();
$('div.question-detail-bottom').parent().remove();
$('div.notepad-wrapper').remove();
$('div#notepad-container').remove();
$('div#lc_navbar_placeholder').remove();
$('#supportModal').remove();
$('div.CreateModal-base').remove();
$('#lc-alert-container').remove();
$('.showspoilers').remove();
$('#MathJax_Message').remove();
if ($('#tags-company a')) {
$('#tags-company').html('Companies: ' + $('#tags-company').html());
$('.question-panel').append($('#tags-company'));
}
if ($('#tags-topic a')) {
$('#tags-topics').html('Topics: ' + $('#tags-topics').html());
$('.question-panel').append($('#tags-topics'));
}
if ($('#tags-question a')) {
$('#tags-question').html('Similar Questions: ' + $('#tags-question').html());
$('.question-panel').append($('#tags-question'));
}
$('footer').remove();
$('#desktop-side-bar').remove();
$('body').css('font-size', '24px');
$('body').css('line-height', '24px');
$('.question-title').css('margin-top', '2px');
$('.spoilers').css('display', '');
$('pre').css('font-size', '24px');
$('pre').css('white-space', 'pre-wrap');
$('a.btn-primary').css('font-size', '18px');
$('div.question-title h3').css('font-size', '32px');
$('p').css('margin-bottom', '20px');
$('p').css('margin-top', '20px');
$('div.content-wrapper').css('padding-bottom', '0px');
$('div a').removeClass('text-sm btn-xs label text-sm label-M label-E');
$('#tags-company a').addClass('text-lg');
$('#tags-topics a').addClass('text-lg');
$('div a').removeClass('round');
$('#tags-question a').addClass('text-lg btn btn-default btn-round text-lg');
$('div > a').removeAttr("href");
$('a').removeClass("label-Easy");
$('a').removeClass("label-Medium");
$('a').removeClass("label-Hard");
$('div#tags-company, div#tags-topics, div#tags-question').css('font-size', '14px');
$('div a.btn').removeClass('sidebar-tag text-lg');
};