Greasemonkey/Tampermonkey: Expand the area of schedule details on Google Calendar

google_calendar_expander.user.js

// ==UserScript==
// @name        Google Calendar Expander
// @namespace   http://0-oo.net
// @description Expand the area of schedule details on Google Calendar
// @homepage    http://0-oo.net/log/category/greasemonkey/google-calendar-expander/
// @include     https://calendar.google.com/calendar/*
// @version     0.3.1
// @grant       none
// ==/UserScript==
//
// ( The MIT License )
//
(function() {
	// Hide the right space
	document.getElementById("gridcontainer").style.marginRight = 0;
	
	// Add the button to show / hide the left column
	var mainbody = document.getElementById("mainbody");
	var btn = document.createElement("button");
	btn.setAttribute("style", "position: absolute; left: 0; bottom: 0; cursor: pointer");
	btn.onclick = function() {
		if (mainbody.style.marginLeft == "0px") {
			mainbody.style.marginLeft = "180px";
			btn.innerHTML = "←";
		} else {
			mainbody.style.marginLeft = "0px";
			btn.innerHTML = "→";
		}
		
		// Remove the dashed lines on the clicked button
		btn.blur();
	};
	document.body.appendChild(btn);
	
	// Hide the left column
	btn.onclick();
	
	// Trim the white space of the nav bar
	var vrnav = document.getElementById("vr-nav");
	vrnav.style.marginTop = 0;
	vrnav.style.paddingBottom = 0;
	
	// Add the button to show / hide Google bar
	var googbar = document.getElementById("onegoogbar");
	var btn2 = document.createElement("button");
	btn2.setAttribute("style", "position: absolute; left: 0; top: 0; cursor: pointer; z-index: 1000");
	btn2.onclick = function() {
		if (googbar.style.display == "none") {
			googbar.style.display = "block";
			btn2.innerHTML = "↑";
		} else {
			googbar.style.display = "none";
			btn2.innerHTML = "↓";
		}
		
		// Remove the dashed lines on the clicked button
		btn2.blur();
	};
	document.body.appendChild(btn2);
	
	// Hide Google bar
	btn2.onclick();
})();