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var myApp = angular.module('app',[]); | |
myApp.directive('breadcrumbs', function ($state) { | |
return { | |
restrict: 'EA', | |
templateUrl: 'index.html', | |
link: function (scope) { | |
scope.breadcrumbs = []; | |
if ($state.$current.name !== '') { | |
updateBreadcrumbsArray(); | |
} | |
scope.$on('$stateChangeSuccess', function () { | |
updateBreadcrumbsArray(); | |
}); | |
/** | |
* Start with the current state and traverse up the path to build the | |
* array of breadcrumbs that can be used in an ng-repeat in the template. | |
*/ | |
function updateBreadcrumbsArray() { | |
var breadcrumbs = []; | |
var currentState = $state.$current; | |
while (currentState && currentState.name !== '') { | |
if (currentState.breadcrumb) { | |
var displayName = getDisplayName(currentState); | |
var route = getRoute(currentState); | |
if (displayName !== false) { | |
breadcrumbs.push({ | |
displayName: displayName, | |
route: route | |
}); | |
} | |
} | |
currentState = currentState.parent; | |
} | |
breadcrumbs.reverse(); | |
scope.breadcrumbs = breadcrumbs; | |
} | |
function getRoute(currentState) { | |
if (!currentState.breadcrumb.state) { | |
return currentState.name; | |
} | |
return currentState.breadcrumb.state; | |
} | |
/** | |
* Resolve the displayName of the specified state. Take the property specified by the `displayname-property` | |
* attribute and look up the corresponding property on the state's config object. If the string found begins with | |
* a colon eg `:username`, that signifies that the displayName should be provided by the result of the named `resolve` property. | |
* @param currentState | |
* @returns {*} | |
*/ | |
function getDisplayName(currentState) { | |
var resolveProperty; | |
var displayName; | |
if (currentState.breadcrumb.title.indexOf(':') === 0) { | |
// the : syntax indicates a reference to a resolved property, so use that instead | |
resolveProperty = currentState.breadcrumb.title.substr(1); | |
displayName = currentState.locals.globals[resolveProperty]; | |
} else { | |
displayName = currentState.breadcrumb.title; | |
} | |
return displayName; | |
} | |
function getProperty(name, currentState) { | |
var propertyReference; | |
propertyArray = scope.displaynameProperty.split('.'); | |
propertyReference = currentState; | |
for (i = 0; i < propertyArray.length; i++) { | |
if (angular.isDefined(propertyReference[propertyArray[i]])) { | |
if (propertyReference[propertyArray[i]] === false) { | |
return false; | |
} else { | |
propertyReference = propertyReference[propertyArray[i]]; | |
} | |
} else { | |
// if the specified property was not foundm default to the state's name | |
return currentState.name; | |
} | |
} | |
return propertyReference; | |
} | |
} | |
}; | |
}) | |
; | |
//myApp.factory('myService', function() {}); | |
myApp.config(function ($stateProvider, $urlRouterProvider) { | |
$stateProvider.state({ | |
url: "/home", | |
breadcrumb: { | |
title: "home", | |
state: "home" | |
} | |
) | |
$stateProvider.state({ | |
url: "/", | |
breadcrumb: { | |
title: "home", | |
state: "home" | |
} | |
) | |
$stateProvider.state({url: "/home/inbed", | |
breadcrumb: { | |
title: "bed", | |
state: "home.bed" | |
}) | |
$stateProvider.state({url: "/home/inbed/sleeping", | |
breadcrumb: { | |
title: "sleeping", | |
state: "home.bed.sleeping" | |
}) | |
}); | |
<ol class="breadcrumb no-margin"> | |
<li data-ng-repeat="crumb in breadcrumbs" data-ng-class="{ active: $last }"> | |
<a data-ui-sref="{{ crumb.route }}" data-ng-if="!$last">{{ crumb.displayName }}</a> | |
<span data-ng-show="$last">{{ crumb.displayName }}</span> | |
</li> | |
</ol> |
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