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/*
* (c) Copyright 2015 Hewlett-Packard Development Company, L.P.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
(function () {
'use strict';
var fromJson = angular.fromJson,
isArray = angular.isArray;
angular.module('hz.dashboard')
/**
* @ngdoc factory
* @name hz.dashboard:factory:cloudServices
* @module hz.dashboard
* @kind hash table
* @description
*
* Provides a hash table contains all the cloud services so that:
*
* 1) Easy to inject all the services since they are injected with one dependency.
* 2) Provides a way to look up a service by name programmatically.
*
* The use of this is currently limited to existing API services. Use at
* your own risk for extensibility purposes at this time. The API will
* be evolving in the coming release and backward compatibility is not
* guaranteed. This also makes no guarantee that the back-end service
* is actually enabled.
*/
.factory('cloudServices', [
'cinderAPI',
'glanceAPI',
'keystoneAPI',
'neutronAPI',
'novaAPI',
'novaExtensions',
'securityGroup',
'serviceCatalog',
'settingsService',
function (cinderAPI,
glanceAPI,
keystoneAPI,
neutronAPI,
novaAPI,
novaExtensions,
securityGroup,
serviceCatalog,
settingsService) {
return {
cinder: cinderAPI,
glance: glanceAPI,
keystone: keystoneAPI,
neutron: neutronAPI,
nova: novaAPI,
novaExtensions: novaExtensions,
securityGroup: securityGroup,
serviceCatalog: serviceCatalog,
settingsService: settingsService
};
}
])
/**
* @ngdoc factory
* @name hz.dashboard:factory:ifFeaturesEnabled
* @module hz.dashboard
* @kind function
* @description
*
* Check to see if all the listed features are enabled on a certain service,
* which is described by the service name.
*
* This is an asynchronous operation.
*
* @param String serviceName The name of the service, e.g. `novaExtensions`.
* @param Array<String> features A list of feature's names.
* @return Promise the promise of the deferred task that gets resolved
* when all the sub-tasks are resolved.
*/
.factory('ifFeaturesEnabled', ['$q', 'cloudServices',
function ($q, cloudServices) {
return function ifFeaturesEnabled(serviceName, features) {
// each cloudServices[serviceName].ifEnabled(feature) is an asynchronous
// operation which returns a promise, thus requiring the use of $q.all
// to defer.
return $q.all(
features.map(function (feature) {
return cloudServices[serviceName].ifEnabled(feature);
})
);//return
};//return
}
])
/**
* @ngdoc factory
* @name hz.dashboard:factory:createDirectiveSpec
* @module hz.dashboard
* @kind function
* @description
*
* A normalized function that can create a directive specification object
* based on `serviceName`.
*
* @param String serviceName The name of the service, e.g. `novaExtensions`.
* @param String attrName The name of the attribute in the service.
* @return Object a directive specification object that can be used to
* create an angular directive.
*/
.factory('createDirectiveSpec', ['ifFeaturesEnabled',
function (ifFeaturesEnabled) {
return function createDirectiveSpec(serviceName, attrName) {
function link(scope, element, attrs, ctrl, transclude) {
element.addClass('ng-hide');
var features = fromJson(attrs[attrName]);
if (isArray(features)) {
ifFeaturesEnabled(serviceName, features).then(
// if the feature is enabled:
function () {
element.removeClass('ng-hide');
},
// if the feature is not enabled:
function () {
element.remove();
}
);
}
transclude(scope, function (clone) {
element.append(clone);
});
}
return {
link: link,
restrict: 'E',
transclude: true
};
};
}
])
/**
* @ngdoc directive
* @name hz.dashboard:directive:novaExtension
* @module hz.dashboard
* @description
*
* This is to enable specifying conditional UI in a declarative way.
* Some UI components should be showing only when some certain extensions
* are enabled on `novaExtensions` service.
*
* @example
*
```html
<nova-extension required-extensions='["config_drive"]'>
<div class="checkbox customization-script-source">
<label>
<input type="checkbox"
ng-model="model.newInstanceSpec.config_drive">
{$ ::label.configurationDrive $}
</label>
</div>
</nova-extension>
<nova-extension required-extensions='["disk_config"]'>
<div class="form-group disk-partition">
<label for="launch-instance-disk-partition">
{$ ::label.diskPartition $}
</label>
<select class="form-control"
id="launch-instance-disk-partition"
ng-model="model.newInstanceSpec.disk_config"
ng-options="option.value as option.text for option in diskConfigOptions">
</select>
</div>
</nova-extension>
```
*/
.directive('novaExtension', ['createDirectiveSpec',
function (createDirectiveSpec) {
return createDirectiveSpec('novaExtensions', 'requiredExtensions');
}
])
/**
* @ngdoc directive
* @name hz.dashboard:directive:settingsService
* @module hz.dashboard
* @description
*
* This is to enable specifying conditional UI in a declarative way.
* Some UI components should be showing only when some certain settings
* are enabled on `settingsService` service.
*
* @example
*
```html
<settings-service required-settings='["something"]'>
<!-- ui code here -->
</settings-service>
```
*/
.directive('settingsService', ['createDirectiveSpec',
function (createDirectiveSpec) {
return createDirectiveSpec('settingsService', 'requiredSettings');
}
])
;})();
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