Created
August 8, 2011 14:07
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Gists for knockout.unobtrusive post
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ko.unobtrusive.createBindings(bindings); | |
ko.applyBindings(viewModel); |
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<h2>Create a Speaker</h2> | |
<form data-bind="submit: addSpeaker"> | |
<fieldset> | |
<legend>Speaker Info</legend> | |
Name: <input type="text" id="name" /> <br /> | |
Bio: <input type="text" id="bio" /> <br /> | |
Twitter Handle: <input id="twitterHandle" type="text" /> <br /> | |
Photo Url: <input id="photoUrl" type="text" /> <br /> | |
Presented Before: <input type="checkbox" name="presentedBefore" /> | |
</fieldset> | |
<fieldset> | |
<legend>Favorite Languages</legend> | |
New item: | |
<input type="text" id="languageToAdd" /> | |
<button type="submit" id="addLanguage">Add</button> | |
<p>Your choices:</p> | |
<select multiple="multiple" width="50" id="languages"> </select> | |
</fieldset> | |
<input type="submit" value="Create Speaker" /> | |
<!-- Profile Preview --> | |
<article id="profilePreview"> | |
<header> | |
<div><img id="image" /></div> | |
<div> | |
<h1> | |
<span id="displayName"></span> :: | |
<a id="twitterUrl"> | |
@<span id="displayTwitterHandle"></span> | |
</a> | |
</h1> | |
</div> | |
<div class="subhead">Programs in <span id="languageList"></span></div> | |
</header> | |
<div id="bio"> | |
<span id="displayBio"></span><br/> Has presented before? <span id="displayPresentedBefore"></span> | |
</div> | |
</article> | |
</form> |
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### | |
Knockout.Unobtrusive v0.1 | |
Copyright (C)2011 Brandon Satrom, Carrot Pants Studios | |
Distributed Under MIT License | |
Documentation and Full license Available at: | |
http://github.com/bsatrom/knockout.unobtrusive | |
---------------------------- | |
Knockout.Unobtrusive | |
---------------------------- | |
### | |
ko.unobtrusive = { | |
createBindings: (bindings) -> | |
if not bindings | |
bindings = ko.unobtrusive.bindings | |
getElement = (id) -> | |
el = document.getElementById(id) or document.getElementsByName(id)[0] | |
if not el | |
id = id.charAt(0).toUpperCase() + id.slice 1 | |
el = document.getElementById id | |
return el | |
setElementBinding = (id, value) -> | |
el = getElement id; | |
if el | |
existing = el.getAttribute "data-bind" | |
if existing | |
value = "#{existing}, #{value}" | |
el.setAttribute "data-bind", value | |
createElementBinding = (element, koBinding) -> | |
if typeof element is "object" | |
for own key, value of element | |
setElementBinding key, "#{koBinding}: #{element[key]}" | |
else | |
if koBinding.indexOf(":") > 0 | |
setElementBinding element, koBinding | |
else | |
setElementBinding element, "#{koBinding}: #{element}" | |
for own valueKey, value of bindings.value | |
createElementBinding bindings.value[valueKey], "value" | |
for own textKey, value of bindings.text | |
createElementBinding bindings.text[textKey], "text" | |
for own optionsKey, value of bindings.options | |
createElementBinding bindings.options[optionsKey], "options" | |
for own checkedKey, value of bindings.checked | |
createElementBinding bindings.checked[checkedKey], "checked" | |
for own customKey, value of bindings.custom | |
createElementBinding customKey, bindings.custom[customKey] | |
} | |
ko.unobtrusive.bindings = { | |
value: [] | |
text: [] | |
options: [] | |
checked: [] | |
custom: {} | |
} |
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var bindings = { | |
value: [ 'languageToAdd', 'name', 'bio', 'twitterHandle', | |
'state', 'photoUrl' ], | |
text: [ { displayName: 'name' }, { displayState: 'state' }, | |
{ displayBio: 'bio' }, { displayTwitterHandle: 'twitterHandle' }, | |
{ languageList: 'languages' }, | |
{ displayPresentedBefore: 'presentedBefore' } ], | |
options: [ 'languages', 'favoriteTopics' ], | |
checked: [ 'presentedBefore' ], | |
custom: { | |
languageToAdd: 'valueUpdate: "afterkeydown"', | |
addLanguage: 'enable: languageToAdd().length > 0, click: addLanguage', | |
photo: 'attr: {src: photoUrl, alt: name}', | |
twitterUrl: 'attr: {href: twitterUrl}' | |
} | |
}; |
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<script src="knockout-1.2.1.js"></script> | |
<script src="knockout.unobtrusive.js"></script> |
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