Created
September 23, 2012 02:29
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jquery ui dialog + knockoutjs
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ko.bindingHandlers.dialog = { | |
init: function(element, valueAccessor, allBindingsAccessor) { | |
var options = ko.utils.unwrapObservable(valueAccessor()) || {}; | |
options.close = function() { | |
allBindingsAccessor().dialogVisible(false); | |
}; | |
$(element).dialog(options); | |
//handle disposal (not strictly necessary in this scenario) | |
ko.utils.domNodeDisposal.addDisposeCallback(element, function() { | |
$(element).dialog("destroy"); | |
}); | |
}, | |
update: function(element, valueAccessor, allBindingsAccessor) { | |
var shouldBeOpen = ko.utils.unwrapObservable(allBindingsAccessor().dialogVisible); | |
$(element).dialog(shouldBeOpen ? "open" : "close"); | |
} | |
}; | |
var Item = function(title) { | |
this.title = ko.observable(title); | |
this.isOpen = ko.observable(false); | |
}; | |
Item.prototype = { | |
open: function() { this.isOpen(true); }, | |
close: function() { this.isOpen(false); } | |
}; | |
var viewModel = { | |
items: [ | |
new Item("one"), | |
new Item("two"), | |
new Item("three") | |
] | |
}; | |
ko.applyBindings(viewModel, document.getElementById('app')); | |
|
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<div id="app"> | |
<ul data-bind="foreach: items"> | |
<li> | |
<a href="#" data-bind="text: title, click: open"></a> | |
<div id="dialog" data-bind="dialog: {autoOpen: false, title: 'testing' }, dialogVisible: isOpen"> | |
<input data-bind="value: title" /> | |
<a href="#" data-bind="click: close">close</a> | |
</div> | |
</li> | |
</ul> | |
<hr/> | |
<div data-bind="text: ko.toJSON($root)"></div> | |
</div> |
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.header { | |
font-size: 16px; | |
font-family: sans-serif; | |
font-weight: bold; | |
margin-bottom: 20px; | |
} |
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