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September 2, 2012 05:26
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -157,4 +157,5 @@ between application states: See Handlebars.helpers.action for additional usage examples. Ref 1: https://github.com/emberjs/ember.js/blob/master/packages/ember-routing/lib/router.js Ref 2: https://github.com/emberjs/ember.js/blob/master/packages/ember-handlebars/lib/helpers/action.js -
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -40,11 +40,13 @@ include a `view` property that is set to the original view interacted with. A path relative to the template's `Ember.View` instance can also be used as a target: ```html <script type="text/x-handlebars" data-template-name='a-template'> <div {{action anActionName target="parentView"}}> click me </div> </script> ``` Clicking "click me" in the rendered HTML of the above template will trigger the `anActionName` method of the view's parent view. @@ -57,22 +59,26 @@ has additional information about this use. If an action's target does not implement a method that matches the supplied action name an error will be thrown. ```html <script type="text/x-handlebars" data-template-name='a-template'> <div {{action aMethodNameThatIsMissing}}> click me </div> </script> ``` With the following application code ```js AView = Ember.View.extend({ templateName; 'a-template', // note: no method 'aMethodNameThatIsMissing' anActionName: function(event){} }); aView = AView.create(); aView.appendTo('body'); ``` Will throw `Uncaught TypeError: Cannot call method 'call' of undefined` when "click me" is clicked. @@ -84,12 +90,14 @@ will be the UpperCamel name converted to lowerCamel format. These controller cla of Ember.ObjectController, Ember.ArrayController, Ember.Controller, or a custom Ember.Object that includes the Ember.ControllerMixin mixin. ```js App = Ember.Application.create({ FooController: Ember.Object.create(Ember.ControllerMixin), Router: Ember.Router.extend({ ... }) }); App.get('router.fooController'); // instance of App.FooController ``` The controller singletons will have their `namespace` property set to the application and their `target` property set to the application's router singleton for easy integration with Ember's user event system. @@ -102,31 +110,34 @@ associated views. Uses of the `{{action}}` helper will automatically target the Given the following application entered at the URL '#/': ```js App = Ember.Application.create({ Router: Ember.Router.extend({ root: Ember.Route.extend({ aRoute: Ember.Route.extend({ route: '/', anActionOnTheRouter: function(router, context) { router.transitionTo('anotherState', context); } }) anotherState: Ember.Route.extend({ route: '/differentUrl', connectOutlets: function(router, context) { } }) }) }) }); App.initialize(); ``` The following template: ```html <script type="text/x-handlebars" data-template-name="aView"> <h1><a {{action anActionOnTheRouter}}>{{title}}</a></h1> </script> ``` Will delegate `click` events on the rendered `h1` to the application's router instance. In this case the `anActionOnTheRouter` method of the state at 'root.aRoute' will be called with the view's controller @@ -135,11 +146,13 @@ as the context argument. This context will be passed to the `connectOutlets` as Different `context` can be supplied from within the `{{action}}` helper, allowing specific context passing between application states: ```html <script type="text/x-handlebars" data-template-name="photos"> {{#each photo in controller}} <h1><a {{action showPhoto photo}}>{{title}}</a></h1> {{/each}} </script> ``` See Handlebars.helpers.action for additional usage examples. -
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -24,11 +24,11 @@ Finally, a `target` option can be provided to the helper to change which object will receive the method call. This option must be a string representing a path to an object: ```html <script type="text/x-handlebars" data-template-name='a-template'> <div {{action anActionName target="MyApplication.someObject"}}> click me </div> </script> ``` -
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -24,11 +24,13 @@ Finally, a `target` option can be provided to the helper to change which object will receive the method call. This option must be a string representing a path to an object: ```js <script type="text/x-handlebars" data-template-name='a-template'> <div {{action anActionName target="MyApplication.someObject"}}> click me </div> </script> ``` Clicking "click me" in the rendered HTML of the above template will trigger the `anActionName` method of the object at `MyApplication.someObject`. -
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -1,6 +1,6 @@ #Relevent parts to explain action, routes in Ember 1.0pre ##Action Helper The `{{action}}` helper registers an HTML element within a template for DOM event handling and forwards that interaction to the Application's router, the template's `Ember.View` instance, or supplied `target` option (see 'Specifiying a Target'). @@ -9,7 +9,7 @@ the appropriate target. (Example without Router skipped, check helpers/action.js) ## Specifying a Target There are several possible target objects for `{{action}}` helpers: In a typical `Ember.Router`-backed Application where views are managed through use of the `{{outlet}}` helper, actions will be forwarded to the @@ -24,11 +24,11 @@ Finally, a `target` option can be provided to the helper to change which object will receive the method call. This option must be a string representing a path to an object: `<script type="text/x-handlebars" data-template-name='a-template'> <div {{action anActionName target="MyApplication.someObject"}}> click me </div> </script>` Clicking "click me" in the rendered HTML of the above template will trigger the `anActionName` method of the object at `MyApplication.someObject`. @@ -38,11 +38,11 @@ include a `view` property that is set to the original view interacted with. A path relative to the template's `Ember.View` instance can also be used as a target: `<script type="text/x-handlebars" data-template-name='a-template'> <div {{action anActionName target="parentView"}}> click me </div> </script>` Clicking "click me" in the rendered HTML of the above template will trigger the `anActionName` method of the view's parent view. @@ -55,39 +55,39 @@ has additional information about this use. If an action's target does not implement a method that matches the supplied action name an error will be thrown. `<script type="text/x-handlebars" data-template-name='a-template'> <div {{action aMethodNameThatIsMissing}}> click me </div> </script>` With the following application code `AView = Ember.View.extend({ templateName; 'a-template', // note: no method 'aMethodNameThatIsMissing' anActionName: function(event){} }); aView = AView.create(); aView.appendTo('body');` Will throw `Uncaught TypeError: Cannot call method 'call' of undefined` when "click me" is clicked. ## Injection of Controller Singletons During application initialization Ember will detect properties of the application ending in 'Controller', create singleton instances of each class, and assign them as properties on the router. The property name will be the UpperCamel name converted to lowerCamel format. These controller classes should be subclasses of Ember.ObjectController, Ember.ArrayController, Ember.Controller, or a custom Ember.Object that includes the Ember.ControllerMixin mixin. `App = Ember.Application.create({ FooController: Ember.Object.create(Ember.ControllerMixin), Router: Ember.Router.extend({ ... }) }); App.get('router.fooController'); // instance of App.FooController` The controller singletons will have their `namespace` property set to the application and their `target` property set to the application's router singleton for easy integration with Ember's user event system. @@ -100,7 +100,7 @@ associated views. Uses of the `{{action}}` helper will automatically target the Given the following application entered at the URL '#/': `App = Ember.Application.create({ Router: Ember.Router.extend({ root: Ember.Route.extend({ aRoute: Ember.Route.extend({ @@ -124,7 +124,7 @@ The following template: <script type="text/x-handlebars" data-template-name="aView"> <h1><a {{action anActionOnTheRouter}}>{{title}}</a></h1> </script>` Will delegate `click` events on the rendered `h1` to the application's router instance. In this case the `anActionOnTheRouter` method of the state at 'root.aRoute' will be called with the view's controller @@ -133,11 +133,11 @@ as the context argument. This context will be passed to the `connectOutlets` as Different `context` can be supplied from within the `{{action}}` helper, allowing specific context passing between application states: `<script type="text/x-handlebars" data-template-name="photos"> {{#each photo in controller}} <h1><a {{action showPhoto photo}}>{{title}}</a></h1> {{/each}} </script>` See Handlebars.helpers.action for additional usage examples. -
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -1,4 +1,7 @@ #Relevent parts to explain action, routes in Ember 1.0pre ##Action Helper The `{{action}}` helper registers an HTML element within a template for DOM event handling and forwards that interaction to the Application's router, the template's `Ember.View` instance, or supplied `target` option (see 'Specifiying a Target'). User interaction with that element will invoke the supplied action name on @@ -21,11 +24,11 @@ Finally, a `target` option can be provided to the helper to change which object will receive the method call. This option must be a string representing a path to an object: ```<script type="text/x-handlebars" data-template-name='a-template'> <div {{action anActionName target="MyApplication.someObject"}}> click me </div> </script>``` Clicking "click me" in the rendered HTML of the above template will trigger the `anActionName` method of the object at `MyApplication.someObject`. @@ -35,11 +38,11 @@ include a `view` property that is set to the original view interacted with. A path relative to the template's `Ember.View` instance can also be used as a target: ```<script type="text/x-handlebars" data-template-name='a-template'> <div {{action anActionName target="parentView"}}> click me </div> </script>``` Clicking "click me" in the rendered HTML of the above template will trigger the `anActionName` method of the view's parent view. @@ -52,22 +55,22 @@ has additional information about this use. If an action's target does not implement a method that matches the supplied action name an error will be thrown. ```<script type="text/x-handlebars" data-template-name='a-template'> <div {{action aMethodNameThatIsMissing}}> click me </div> </script>``` With the following application code ```AView = Ember.View.extend({ templateName; 'a-template', // note: no method 'aMethodNameThatIsMissing' anActionName: function(event){} }); aView = AView.create(); aView.appendTo('body');``` Will throw `Uncaught TypeError: Cannot call method 'call' of undefined` when "click me" is clicked. @@ -79,12 +82,12 @@ will be the UpperCamel name converted to lowerCamel format. These controller cla of Ember.ObjectController, Ember.ArrayController, Ember.Controller, or a custom Ember.Object that includes the Ember.ControllerMixin mixin. ```App = Ember.Application.create({ FooController: Ember.Object.create(Ember.ControllerMixin), Router: Ember.Router.extend({ ... }) }); App.get('router.fooController'); // instance of App.FooController``` The controller singletons will have their `namespace` property set to the application and their `target` property set to the application's router singleton for easy integration with Ember's user event system. @@ -97,7 +100,7 @@ associated views. Uses of the `{{action}}` helper will automatically target the Given the following application entered at the URL '#/': ```App = Ember.Application.create({ Router: Ember.Router.extend({ root: Ember.Route.extend({ aRoute: Ember.Route.extend({ @@ -121,7 +124,7 @@ The following template: <script type="text/x-handlebars" data-template-name="aView"> <h1><a {{action anActionOnTheRouter}}>{{title}}</a></h1> </script>``` Will delegate `click` events on the rendered `h1` to the application's router instance. In this case the `anActionOnTheRouter` method of the state at 'root.aRoute' will be called with the view's controller @@ -130,11 +133,11 @@ as the context argument. This context will be passed to the `connectOutlets` as Different `context` can be supplied from within the `{{action}}` helper, allowing specific context passing between application states: ```<script type="text/x-handlebars" data-template-name="photos"> {{#each photo in controller}} <h1><a {{action showPhoto photo}}>{{title}}</a></h1> {{/each}} </script>``` See Handlebars.helpers.action for additional usage examples. -
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,142 @@ The `{{action}}` helper registers an HTML element within a template for DOM event handling and forwards that interaction to the Application's router, the template's `Ember.View` instance, or supplied `target` option (see 'Specifiying a Target'). User interaction with that element will invoke the supplied action name on the appropriate target. (Example without Router skipped, check helpers/action.js) ### Specifying a Target There are several possible target objects for `{{action}}` helpers: In a typical `Ember.Router`-backed Application where views are managed through use of the `{{outlet}}` helper, actions will be forwarded to the current state of the Applications's Router. See Ember.Router 'Responding to User-initiated Events' for more information. If you manaully set the `target` property on the controller of a template's `Ember.View` instance, the specifed `controller.target` will become the target for any actions. Likely custom values for a controller's `target` are the controller itself or a StateManager other than the Application's Router. If the templates's view lacks a controller property the view itself is the target. Finally, a `target` option can be provided to the helper to change which object will receive the method call. This option must be a string representing a path to an object: <script type="text/x-handlebars" data-template-name='a-template'> <div {{action anActionName target="MyApplication.someObject"}}> click me </div> </script> Clicking "click me" in the rendered HTML of the above template will trigger the `anActionName` method of the object at `MyApplication.someObject`. The first argument to this method will be a `jQuery.Event` extended to include a `view` property that is set to the original view interacted with. A path relative to the template's `Ember.View` instance can also be used as a target: <script type="text/x-handlebars" data-template-name='a-template'> <div {{action anActionName target="parentView"}}> click me </div> </script> Clicking "click me" in the rendered HTML of the above template will trigger the `anActionName` method of the view's parent view. The `{{action}}` helper is `Ember.StateManager` aware. If the target of the action is an `Ember.StateManager` instance `{{action}}` will use the `send` functionality of StateManagers. The documentation for `Ember.StateManager` has additional information about this use. If an action's target does not implement a method that matches the supplied action name an error will be thrown. <script type="text/x-handlebars" data-template-name='a-template'> <div {{action aMethodNameThatIsMissing}}> click me </div> </script> With the following application code AView = Ember.View.extend({ templateName; 'a-template', // note: no method 'aMethodNameThatIsMissing' anActionName: function(event){} }); aView = AView.create(); aView.appendTo('body'); Will throw `Uncaught TypeError: Cannot call method 'call' of undefined` when "click me" is clicked. ## Injection of Controller Singletons During application initialization Ember will detect properties of the application ending in 'Controller', create singleton instances of each class, and assign them as properties on the router. The property name will be the UpperCamel name converted to lowerCamel format. These controller classes should be subclasses of Ember.ObjectController, Ember.ArrayController, Ember.Controller, or a custom Ember.Object that includes the Ember.ControllerMixin mixin. App = Ember.Application.create({ FooController: Ember.Object.create(Ember.ControllerMixin), Router: Ember.Router.extend({ ... }) }); App.get('router.fooController'); // instance of App.FooController The controller singletons will have their `namespace` property set to the application and their `target` property set to the application's router singleton for easy integration with Ember's user event system. See 'Changing View Hierarchy in Response To State Change' and 'Responding to User-initiated Events.' ## Responding to User-initiated Events Controller instances injected into the router at application initialization have their `target` property set to the application's router instance. These controllers will also be the default `context` for their associated views. Uses of the `{{action}}` helper will automatically target the application's router. Given the following application entered at the URL '#/': App = Ember.Application.create({ Router: Ember.Router.extend({ root: Ember.Route.extend({ aRoute: Ember.Route.extend({ route: '/', anActionOnTheRouter: function(router, context) { router.transitionTo('anotherState', context); } }) anotherState: Ember.Route.extend({ route: '/differentUrl', connectOutlets: function(router, context) { } }) }) }) }); App.initialize(); The following template: <script type="text/x-handlebars" data-template-name="aView"> <h1><a {{action anActionOnTheRouter}}>{{title}}</a></h1> </script> Will delegate `click` events on the rendered `h1` to the application's router instance. In this case the `anActionOnTheRouter` method of the state at 'root.aRoute' will be called with the view's controller as the context argument. This context will be passed to the `connectOutlets` as its second argument. Different `context` can be supplied from within the `{{action}}` helper, allowing specific context passing between application states: <script type="text/x-handlebars" data-template-name="photos"> {{#each photo in controller}} <h1><a {{action showPhoto photo}}>{{title}}</a></h1> {{/each}} </script> See Handlebars.helpers.action for additional usage examples. Ref 1: https://github.com/emberjs/ember.js/blob/master/packages/ember-routing/lib/router.js Ref 2: https://github.com/emberjs/ember.js/blob/master/packages/ember-handlebars/lib/helpers/action.js