NodeBB/public/src/forum/admin/settings.js

define(['uploader'], function(uploader) {
	var Settings = {};

	Settings.init = function() {
		Settings.prepare();
	};

	Settings.prepare = function(callback) {
		// Come back in 125ms if the config isn't ready yet
		if (!app.config) {
			setTimeout(function() {
				Settings.prepare();
			}, 125);
			return;
		}

		// Populate the fields on the page from the config
		var fields = document.querySelectorAll('#content [data-field]'),
			numFields = fields.length,
			saveBtn = document.getElementById('save'),
			x, key, inputType;

		for (x = 0; x < numFields; x++) {
			key = fields[x].getAttribute('data-field');
			inputType = fields[x].getAttribute('type');
			if (fields[x].nodeName === 'INPUT') {
				if (app.config[key]) {
					switch (inputType) {
						case 'text':
						case 'password':
						case 'textarea':
						case 'number':
							fields[x].value = app.config[key];
							break;

						case 'checkbox':
							fields[x].checked = parseInt(app.config[key], 10) === 1;
							break;
					}
				}
			} else if (fields[x].nodeName === 'TEXTAREA') {
				if (app.config[key]) fields[x].value = app.config[key];
			} else if (fields[x].nodeName === 'SELECT') {
				if (app.config[key]) fields[x].value = app.config[key];
			}
		}

		saveBtn.addEventListener('click', function(e) {

			e.preventDefault();

			for (x = 0; x < numFields; x++) {
				saveField(fields[x]);
			}
		});

		function saveField(field) {
			var key = field.getAttribute('data-field'),
				value;

			if (field.nodeName === 'INPUT') {
				inputType = field.getAttribute('type');
				switch (inputType) {
					case 'text':
					case 'password':
					case 'textarea':
					case 'number':
						value = field.value;
						break;

					case 'checkbox':
						value = field.checked ? '1' : '0';
						break;
				}
			} else if (field.nodeName === 'TEXTAREA') {
				value = field.value;
			} else if (field.nodeName === 'SELECT') {
				value = field.value;
			}

			socket.emit('admin.config.set', {
				key: key,
				value: value
			}, function(err) {
				if(err) {
					return app.alert({
						alert_id: 'config_status',
						timeout: 2500,
						title: 'Changes Not Saved',
						message: 'NodeBB encountered a problem saving your changes',
						type: 'danger'
					});
				}

				if(app.config[key] !== undefined) {
					app.config[key] = value;
				}

				app.alert({
					alert_id: 'config_status',
					timeout: 2500,
					title: 'Changes Saved',
					message: 'Your changes to the NodeBB configuration have been saved.',
					type: 'success'
				});

			});
		}

		$('#uploadLogoBtn').on('click', function() {
			uploader.open(RELATIVE_PATH + '/admin/uploadlogo', {}, 0, function(image) {
				$('#logoUrl').val(image);
			});

			uploader.hideAlerts();
		});

		$('#uploadFaviconBtn').on('click', function() {
			uploader.open(RELATIVE_PATH + '/admin/uploadfavicon', {}, 0, function(icon) {
				$('#faviconUrl').val(icon);
			});

			uploader.hideAlerts();
		});

		$('#settings-tab a').click(function (e) {
			e.preventDefault();
			$(this).tab('show');
			return false;
		});

		if (typeof callback === 'function') {
			callback();
		}
	};

	Settings.remove = function(key) {
		socket.emit('admin.config.remove', key);
	};

	return Settings;
});