www-ivprog/legacy/version3/partials/directives/boolean-expression.html

<span class="select-variable-value" ng-class="{'need-to-set': value.v[0].v==''}">
	(
	<span select-variable="value.v[0].v" select-vars="vars" type="''"></span>
    <span ng-show="value.v[0].v==''" class="normal"> « selecione uma variável</span>

    <span class="dropdown select-variable-value" ng-hide="value.v[0].v==''">
	    <a id="drop1" href="#" role="button" class="dropdown-toggle normal" data-toggle="dropdown">
			<span ng-hide="value.v[0].v==''">{{operators[value.v[1].v].display}}</span>
			<span ng-show="value.v[1].v==''"> selecionar operador </span>
		</a>
	    <ul class="dropdown-menu" role="menu" aria-labelledby="drop1">
			<li ng-repeat="op in operators" ng-show="op.compatible.indexOf(vars[value.v[0].v].type)>=0">
				<a ng-click="value.v[1].v = op.id;">{{op.display}}</a>
			</li>
		</ul>
	</span>
	<span  ng-hide="value.v[0].v==''">
		<!-- 
			TODO: mudar para select-variable-value,
			um componente a fazer que permite escolher uma variavel ou um valor
		-->
		<span ng-show="value.v[2].t==''" class="dropdown">
	        <a href="javascript:;" class="btn btn-mini" data-toggle="dropdown">Selecione...</a>
	        <ul class="dropdown-menu" role="menu" aria-labelledby="dLabel">
	            <li><a role="menuitem" ng-click="value.v[2].t='var'">Variável</a></li>
	            <li><a role="menuitem" ng-click="value.v[2].t='val'; value.v[2].v=getDefaultValue(vars[value.v[0].v].type)">Valor</a></li>
	        </ul>
	    </span>
	    <span ng-show="value.v[2].t=='var'">
			<span select-variable="value.v[2].v" select-vars="vars" type="vars[value.v[0].v].type"></span>
		</span>
		<span ng-show="value.v[2].t=='val'">
			<span edit-in-place-var-value='value.v[2].v' type='vars[value.v[0].v].type'></span>
		</span>
		<span ng-hide="value.v[2].t==''" class="dropdown">
	        <a href="javascript:;" class="btn btn-mini" data-toggle="dropdown"><img src="img/operations.png" /></a>
	        <ul class="dropdown-menu" role="menu" aria-labelledby="dLabel">
	            <li><a role="menuitem" ng-click="value.v[2].t=''; value.v[2].v=''">Limpar</a></li>
	        </ul>
	    </span>
	</span>
	)
</span>