demo.html informant.min.js @@ -2,7 +2,7 @@ The Informant spies on your forms and warns people if they try to leave a form with unsaved changes. -Learn more at: http://indielabs.com/entries/the-informant/ +Check out the included demo.html, or learn more at: http://indielabs.com/entries/the-informant/ == Usage @@ -12,7 +12,3 @@ Simply include Prototype 1.6+ and The Informant. <script src="informant.js" type="text/javascript"></script> View informant.js for customization options. - -== Copyright - -Copyright (c) 2008 Matt Wigham - Indie Labs, LLC, released under the MIT license \ No newline at end of file README.rdoc @@ -1,37 +1,37 @@ -//======================================================================= -// -// Informant : informant.js : Version 1.1 : 4/11/2008 -// By Indie Labs (indielabs.com) -// -// The Informant spies on your forms and warns people if they try to leave -// a form that has been changed but not saved. -// -// Learn more at: http://indielabs.com/entries/the-informant/ -// -// Requires Prototype 1.6+ : http://prototypejs.org -// -// Copyright (c) 2005-2008 Indie Labs, LLC. All rights reserved. -// -// Permission is hereby granted, free of charge, to any person obtaining -// a copy of this software and associated documentation files (the -// "Software"), to deal in the Software without restriction, including -// without limitation the rights to use, copy, modify, merge, publish, -// distribute, sublicense, and/or sell copies of the Software, and to -// permit persons to whom the Software is furnished to do so, subject to -// the following conditions: -// -// The above copyright notice and this permission notice shall be -// included in all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, -// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY -// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, -// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE -// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -// -//======================================================================= +/************************************************************************ + + Informant : informant.js : Version 1.2 : 3/3/2009 + By Indie Labs (indielabs.com) + + The Informant spies on your forms and warns people if they try to leave + a form that has been changed but not saved. + + Learn more at: http://indielabs.com/entries/the-informant/ + + Requires Prototype 1.6+ : http://prototypejs.org + + Copyright (c) 2005-2008 Indie Labs, LLC. All rights reserved. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be + included in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +************************************************************************/ Element.addMethods({ hasSubmitButton: function(element) { @@ -46,7 +46,7 @@ var Informant = { skipClass: "uninformed", // put this class on your forms if you don't want them watched - delay: 1000, // some forms require time to hide certain fields, etc + delay: 1000, // some forms require time to hide certain fields, etc. initialize: function() { @@ -57,26 +57,26 @@ var Informant = { return !form.hasSubmitButton(); }.bind(this)); - if(this.forms.length == 0) return; + if(this.forms.length === 0) { return; } this.forms.each(function(form) { form.before = form.serialize(); - form.unsaved = function(){ return this.before != this.serialize(); } + form.unsaved = function(){ return this.before != this.serialize(); }; Event.observe(form, 'submit', function(event){ form.before = form.serialize(); }); }); // can't observe this in Safari, so we'll ram that bad boy on there - window.onbeforeunload = function() { - if(this.unsaved()) return this.message; + window.onbeforeunload = function() { + if(this.unsaved()) { return this.message; } }.bind(this); }, unsaved: function() { - return this.forms.find(function(form){ return form.unsaved(); }) != null; + return this.forms.find(function(form){ return form.unsaved(); }) !== undefined; } }; document.observe('dom:loaded', function() { - setTimeout('Informant.initialize()', Informant.delay); + setTimeout(function(){ Informant.initialize(); }, Informant.delay); }); \ No newline at end of file informant.js 8bd7106e6ea44c9f53afe65a7bbd9a8ad5f04229 Matt Wigham ihearithurts@gmail.com http://github.com/ihearithurts/informant/commit/4cc14efe438fd1e61eb21a2901986aab86ba53eb 4cc14efe438fd1e61eb21a2901986aab86ba53eb 2009-03-03T10:01:12-08:00 2009-03-03T10:01:12-08:00 Created minified version and a simple demo 24497682a7d26818c37f7af4d54bd6ea4565168a Matt Wigham ihearithurts@gmail.com