options.js

// Saves options to chrome.storage
function save_options() {
	var tellstring = document.getElementById('tellstring').value;
	var lowest = document.getElementById('lowest').value;
	var highest = document.getElementById('highest').value;
	if(parseInt(lowest)>parseInt(highest)) highest = [lowest, lowest = highest][0];
	if(tellstring.length<76) tellstring = tellstring.concat(new Array(Math.floor((76-tellstring.length)/14)+2).join('교수님 한학기 감사했습니다.'));

	chrome.storage.sync.set({
		tellstring: tellstring,
		lowest: lowest,
		highest: highest
	}, function() {
		// Update status to let user know options were saved.
		var status = document.getElementById('status');
		status.textContent = 'Options saved.';
		setTimeout(function() {
			status.textContent = '';
		}, 750);
	});
}

// Restores select box and checkbox state using the preferences
// stored in chrome.storage.
function restore_options() {
	// Use default value color = 'red' and likesColor = true.
	chrome.storage.sync.get({
		tellstring: '교수님 한 학기동안 감사했습니다. 교수님 한 학기동안 감사했습니다. 교수님 한 학기동안 감사했습니다. 교수님 한 학기동안 감사했습니다.',
		lowest: '1',
		highest: '5'
	}, function(items) {
		document.getElementById('tellstring').value = items.tellstring;
		document.getElementById('lowest').value = items.lowest;
		document.getElementById('highest').value = items.highest;
	});
}
document.addEventListener('DOMContentLoaded', restore_options);
document.getElementById('save').addEventListener('click',
		save_options);