Thanks Rob ... that works
A follow up question ... how do I add property change notification on
salutations in this instance?
I know that for simple properties, I can do a propertyChanged event
How does that work for objects/array of objects?
much appreciated.
On Thursday, March 20, 2014 5:04:36 PM UTC-4, Rob Dodson wrote:
>
> Hey Mike,
>
> This one was actually a little tricky :)
>
> So you *can* pass in an Array of values but there are two gotchas:
>
> 1. You've got to do it using the created callback, not ready
> 2. You've got to use valid JSON style quotes for your keys and values.
>
> Here's a solution for you:
>
> <polymer-element name="greeting-tag" attributes="salutations">
> <template>
> <ul>
> <template id="greeting" repeat="{{s in salutations}}">
> <li>{{s.what}}: <input type="text" value="{{s.who}}"></li>
> </template>
> </ul>
> </template>
> <script>
> Polymer('greeting-tag', {
> created: function() {
> this.salutations = [];
> }
> });
> </script>
> </polymer-element>
>
> <!-- Note, you've got to use valid JSON style for the quotes -->
> <greeting-tag salutations='[{"what": "Sup", "who": "Dude"}, {"what":
> "Hi", "who": "Rob"}]'>
> </greeting-tag>
>
> Example jsbin: http://jsbin.com/noxij/17/edit
>
>
> On Thu, Mar 20, 2014 at 11:09 AM, <[email protected] <javascript:>>wrote:
>
>> In the example below, how do I expose a property/attribute that takes
>> salutations as an object (array in this case)? Basically I want to be able
>> to get/set saluations on the element from the host page?
>>
>> <polymer-element name="greeting-tag">
>> <template>
>> <ul>
>> <template id="greeting" repeat="{{s in salutations}}">
>> <li>{{s.what}}: <input type="text" value="{{s.who}}"></li>
>> </template>
>> </ul>
>> </template>
>> <script>
>> Polymer('greeting-tag', {
>> ready: function() {
>> this.salutations = [
>> {what: 'Hello', who: 'World'},
>> {what: 'GoodBye', who: 'DOM APIs'},
>> {what: 'Hello', who: 'Declarative'},
>> {what: 'GoodBye', who: 'Imperative'}
>> ];
>> }
>> });
>> </script></polymer-element>
>>
>> Follow Polymer on Google+: plus.google.com/107187849809354688692
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>
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