web-apps/apps/common/main/lib/util/Shortcuts.js
Maxim Kadushkin 741b10515d webapps added
2016-03-10 21:48:53 -03:00

132 lines
3.5 KiB
JavaScript

/**
* Shortcuts.js
*
* Created by Maxim Kadushkin on 05 March 2014
* Copyright (c) 2014 Ascensio System SIA. All rights reserved.
*
*/
/*
* Methods
* -------
*
* @method delegateShortcuts
* Accepts named array of shortcuts and callbacks
*
* @method suspendEvents
*
* @method resetEvents
*
*
* Examples of usage
* ----------------
*
* Common.util.Shortcuts.delegateShortcuts({
* shortcuts: {
* "ctrl+f": this.onShortcutSearch
* }
* });
*
* Common.util.Shortcuts.delegateShortcuts({
* shortcuts: {
* "ctrl+f": "shortcutSearch"
* },
* shortcutSearch: function(event) {
* }
* });
*
* Common.util.Shortcuts.suspendEvents('ctrl+f')
* Common.util.Shortcuts.resumeEvents('ctrl+f')
* */
if (Common === undefined) {
var Common = {};
}
Common.util = Common.util||{};
define([
'backbone',
'keymaster'
], function (Backbone) {
'use strict';
var Shortcuts = function(options) {
this.cid = _.uniqueId("shortcuts");
this.initialize.apply(this, arguments);
// return this.delegateShortcuts(options);
return this;
};
_.extend(Shortcuts.prototype, Backbone.Events, {
initialize: function() {
window.key.filter = function(event) {
return true;
};
Common.NotificationCenter.on({
'modal:show': function(e){
window.key.suspend();
},
'modal:close': function(e) {
window.key.resume();
},
'modal:hide': function(e) {
window.key.resume();
}
});
},
delegateShortcuts: function(options) {
if (!options || !options.shortcuts) return;
this.removeShortcuts(options);
var callback, match, method, scope, shortcut, shortcutKey;
var _results = [];
for (shortcut in options.shortcuts) {
callback = options.shortcuts[shortcut];
if (!_.isFunction(callback)){
method = options[callback];
if (!method) throw new Error("Method " + callback + " does not exist");
} else {
method = callback;
}
match = shortcut.match(/^(\S+)\s*(.*)$/);
shortcutKey = match[1];
scope = match[2].length ? match[2] : 'all';
method = _.bind(method, this);
_results.push(window.key(shortcutKey, scope, method));
}
// return _results;
},
removeShortcuts: function(options) {
if (!options || !options.shortcuts) return;
var match, scope, shortcut, shortcutKey;
var _results = [];
for (shortcut in options.shortcuts) {
match = shortcut.match(/^(\S+)\s*(.*)$/);
shortcutKey = match[1];
scope = match[2].length ? match[2] : 'all';
window.key.unbind(shortcutKey, scope);
}
},
suspendEvents: function(key,scope) {
window.key.suspend(key,scope);
},
resumeEvents: function(key,scope) {
window.key.resume(key,scope);
}
});
Shortcuts.extend = Backbone.View.extend;
Common.util.Shortcuts = new Shortcuts;
});