-
-
Save jwize/2773185 to your computer and use it in GitHub Desktop.
Unobtrusive Knockout support library for jQuery
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Choose a ticket class: <select id="tickets"></select> | |
<p id="ticketOutput"></p> | |
<script id="ticketTemplate" type="text/x-jquery-tmpl"> | |
{{if chosenTicket}} | |
You have chosen <b>${ chosenTicket().name }</b> | |
($${ chosenTicket().price }) | |
<button data-bind="click: resetTicket">Clear</button> | |
{{/if}} | |
</script> | |
<script type="text/javascript"> | |
var viewModel = { | |
tickets: [ | |
{ name: "Economy", price: 199.95 }, | |
{ name: "Business", price: 449.22 }, | |
{ name: "First Class", price: 1199.99 } | |
], | |
chosenTicket: ko.observable(), | |
resetTicket: function() { this.chosenTicket(null) } | |
}; | |
var sharedOptions = { | |
optionsText: "'name'", | |
value: "chosenTicket" | |
}; | |
$("#tickets").dataBind({ | |
options: "tickets", | |
optionsCaption: "'Choose...'", | |
css : [{someclass : "1 == 1", anotherclass : "1 == 1" }] | |
}, sharedOptions); | |
$("#ticketOutput").dataBind({ template: "'ticketTemplate'" }); | |
ko.applyBindings(viewModel); | |
</script> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
/** | |
* @preserve Unobtrusive Knockout support library for jQuery | |
* | |
* @author Joel Thoms | |
* @version 1.1 | |
*/ | |
(function ($) { | |
if (!$ || !$['fn']) throw new Error('jQuery library is required.'); | |
/** | |
* Private method to recursively render key value pairs into a string | |
* | |
* @param {Object} options Object to render into a string. | |
* @return {string} The string value of the object passed in. | |
*/ | |
function render(options) { | |
var rendered = []; | |
for (var key in options) { | |
var val = options[key]; | |
switch (typeof val) { | |
case 'string': | |
rendered.push(key + ':' + val); | |
break; | |
case 'object': | |
if ($.isArray(val)) { | |
var items = []; | |
for (var key1 in val) { | |
var val2 = val[key1]; | |
for (var innerKey in val2) { | |
items.push(innerKey + " : " + val2[innerKey]); | |
} | |
} | |
rendered.push(key + ':{' + items.join() + '}'); | |
} else { | |
rendered.push(key + ':{' + render(val) + '}'); | |
} | |
break; | |
case 'function': | |
rendered.push(key + ':' + val.toString()); | |
break; | |
} | |
} | |
return rendered.join(','); | |
} | |
/** | |
* jQuery extension to handle unobtrusive Knockout data binding. | |
* | |
* @param {Object} options Object to render into a string. | |
* @return {Object} A jQuery object. | |
*/ | |
$['fn']['dataBind'] = $['fn']['dataBind'] || function (options, options2) { | |
return this['each'](function () { | |
var optionsMerged = (options2 != null) ? merge(options, options2) : options; | |
used = []; | |
var opts = $.extend({}, $['fn']['dataBind']['defaults'], optionsMerged); | |
var attr = render(opts); | |
if (attr != null && attr != '') { | |
$(this)['attr']('data-bind', attr); | |
} | |
}); | |
}; | |
var used = []; | |
function merge(first, second) { | |
for (var a1 in first) { | |
// if second object is null we are finished. | |
used.push(a1); | |
if (second[a1] == null) { | |
continue; | |
} else { | |
var ob2 = second[a1]; | |
if (typeof (first[a1]) != typeof (ob2)) { | |
throw new Error("conflicting properties named: " + a1); | |
} | |
if ($.isArray(first[a1])) { | |
for (var i = 0; i < ob2.length; i++) { | |
first[a1].push(ob2[i]); | |
} | |
} else { | |
// matching property. | |
return merge(first[a1], second[a1]); | |
} | |
} | |
} | |
for (var a2 in second) { | |
if (used.indexOf(a2) < 0) { | |
first[a2] = second[a2]; | |
} | |
} | |
return first; | |
} | |
})(jQuery); |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
/* | |
Unobtrusive Knockout support library for jQuery | |
@author Joel Thoms | |
@version 1.1 | |
*/ | |
(function(a){function e(a){var b=[],c;for(c in a){var d=a[c];switch(typeof d){case "string":b.push(c+":"+d);break;case "object":b.push(c+":{"+e(d)+"}");break;case "function":b.push(c+":"+d.toString())}}return b.join(",")}if(!a||!a.fn)throw Error("jQuery library is required.");a.fn.dataBind=a.fn.dataBind||function(f){return this.each(function(){var b=a.extend({},a.fn.dataBind.defaults,f),b=e(b);b!=null&&b!=""&&a(this).attr("data-bind",b)})}})(jQuery); | |
// Not updated |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment