utilization of dynamic templates within directives in the AngularJS framework

When it comes to deciding on a template based on the date, I came across an interesting example. However, in that specific example, the templates were so simple that strings could have been used. In my case, I prefer using PHP to generate the templates, so here's how I implemented it:

eng.directive('vis', function ($compile) {
var getTemplate = function(ir) {
    var k = (ir.visits.last && parseInt(ir.visits.last.done))?'V':'E';
    var s = (ir.data.kind == 0)?'H':'V';
    return s+k+'T';
}

var linker = function(scope, element, attrs) {
    scope.$watch('ir',function(){
        if (!scope.ir) return;
        element.html(jQuery('#'+getTemplate(scope.ir)).html()).show();
        $compile(element.contents())(scope);
    })
}
return {
    restrict: "E",
    replace: true,
    link: linker
};});

As for the templates themselves:

<div id=HVT style="display:none">
    <p>horizontal view template</p>
</div>
<div id=HET style="display:none">
    <p>horizontal {{1+5}} Edit template</p>
</div>
<div id=VVT style="display:none">
    <p>vertical view template</p>
</div>
<div id=VET style="display:none">
    <p>vertical Edit template</p>
</div>

While this setup works, I believe there might be a more efficient way to handle templates. Would using templateUrl be a better option? If so, can someone provide guidance on how to implement it in my scenario?

Edit: There seems to be an issue with the template not recognizing the scope.

Answer №1

One way to create dynamic templates in AngularJS is to use directives:

template : '<div ng-include="getTemplateUrl()"></div>'

This allows your controller to determine which template to use:

$scope.getTemplateUrl = function() {
  return '/template/angular/search';
};

You can also dynamically change the template based on scope parameters:

$scope.getTemplateUrl = function() {
  return '/template/angular/search/' + $scope.query;
};

This approach enables your server to generate dynamic templates for you.

Answer №2

I discovered the answer here

Check out this example http://jsbin.com/ebuhuv/7/edit

Locate this block of code:

app.directive("pageComponent", function($compile) {
    var template_for = function(type) {
        return type+"\\.html";
    };
    return {
        restrict: "E",
        // transclude: true,
        scope: true,
        compile: function(element, attrs) {
            return function(scope, element, attrs) {
                var tmpl = template_for(scope.component.type);
                element.html($("#"+tmpl).html()).show();
                $compile(element.contents())(scope);
            };
        }
    };});

Answer №3

When working with Angular, it is not necessary to utilize ids. Instead of using display:none, you have the option to use ng-show:

<div ng-show="HVT">
    <p>horizontal view template</p>
</div>
<div ng-show="HET">
    <p>horizontal {{1+5}} Edit template</p>
</div>
...

To update your $watch callback (which can be defined on a controller or in a directive), you can easily adjust the corresponding scope property:

var getTemplate = function (ir) {
    var k = (ir.visits.last && parseInt(ir.visits.last.done)) ? 'V' : 'E';
    var s = (ir.data.kind == 0) ? 'H' : 'V';
    return s + k + 'T';
}
$scope.$watch('ir', function () {
    if (!$scope.ir) return;
    // hide all, then show the one we want
    $scope.HVT = false;
    $scope.HET = false;
    $scope.VVT = false;
    $scope.VET = false;
    $scope[getTemplate($scope.ir)] = true;
})

Fiddle. The provided fiddle contains the aforementioned code within a controller, as the location of where you may be implementing the directive is unknown. Additionally, "VET" has been hardcoded since the structure of ir is unspecified.

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