How to bind to multiple in md-select inside directive

Question

Trying to create a simple directive that shows a textbox or dropdown depending on whether an array is passed for a model property on the scope.

Anything exc

Answer 1

Probably this is not the answer you are looking for...

I've tried to conditionally set multiple attribute to md-select and nothing seems to be work (ng-attr-multiple, ng-multiple...). Probably it's an angular-material bug.

So, as a workaround, you could conditionally add two md-selects, depending on the atribute model.multiSelect value: one with multiple attribute and the other one without it. Example:

<md-input-container flex layout="fill" ng-if="model && !model.multiSelect && model.items.length">\
    <md-select ng-model="value">\
     <md-option ng-repeat="item in model.items" value="{{ item.value }}">{{ item.label }}</md-option>\
    </md-select>\
</md-input-container>\
<md-input-container flex layout="fill" ng-if="model && model.multiSelect && model.items.length">\
    <md-select ng-model="[value]" multiple>\
     <md-option ng-repeat="item in model.items" value="{{ item.value }}">{{ item.label }}</md-option>\
    </md-select>\
</md-input-container>\

IMPORTANT: Keep in mind that if the md-select is multiple, the value binded needs to be an array, so you will have to change ng-model="value" per ng-model="[value]", as you can see in the previous code.

I've forked your plunker and you can see a working example here

Hope it helps. Anyway, I'll be waiting for other answers.