libzotero/lib/Preferences.js

javascript libZotero

'use strict';

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

var log = require('./Log.js').Logger('libZotero:Preferences');

var Preferences = function Preferences(store, idString) {
	this.store = store;
	this.idString = idString;
	this.preferencesObject = {};
	this.defaults = {
		debug_level: 3, //lower level is higher priority
		debug_log: true,
		debug_mock: false,
		listDisplayedFields: ['title', 'creator', 'dateModified'],
		showAutomaticTags: false, //tagType:1 is automatic, tagType:0 was added by user
		itemsPerPage: 25,
		order: 'title',
		title: 'asc'
	};
	this.load();
};

Preferences.prototype.setPref = function (key, value) {
	var preferences = this;
	preferences.preferencesObject[key] = value;
	preferences.persist();
};

Preferences.prototype.setPrefs = function (newPrefs) {
	var preferences = this;
	if ((typeof newPrefs === 'undefined' ? 'undefined' : _typeof(newPrefs)) != 'object') {
		throw new Error('Preferences must be an object');
	}
	preferences.preferencesObject = newPrefs;
	preferences.persist();
};

Preferences.prototype.getPref = function (key) {
	var preferences = this;
	if (preferences.preferencesObject[key]) {
		return preferences.preferencesObject[key];
	} else if (preferences.defaults[key]) {
		return preferences.defaults[key];
	} else {
		return null;
	}
};

Preferences.prototype.getPrefs = function () {
	var preferences = this;
	return preferences.preferencesObject;
};

Preferences.prototype.persist = function () {
	var preferences = this;
	var storageString = 'preferences_' + preferences.idString;
	preferences.store[storageString] = JSON.stringify(preferences.preferencesObject);
};

Preferences.prototype.load = function () {
	var preferences = this;
	var storageString = 'preferences_' + preferences.idString;
	var storageObjectString = preferences.store[storageString];
	if (!storageObjectString) {
		preferences.preferencesObject = {};
	} else {
		preferences.preferencesObject = JSON.parse(storageObjectString);
	}
};

module.exports = Preferences;