Craft\AssetTransformsController » Craft\BaseController » CController » CBaseController » CComponent
Deprecated in
This class will have several breaking changes in Craft 3.0.

The AssetTransformsController class is a controller that handles various actions related to asset transformations, such as creating, editing and deleting transforms.

Note that all actions in the controller require an authenticated Craft session via {@link BaseController::allowAnonymous}.

See also

View source

Public Properties

$defaultActionstring – The name of the default action.
$layoutmixed – The name of the layout to be applied to this controller's views.

Protected Properties


Public Methods

__call()Calls the named method which is not a class method.
__get()Returns a property value, an event handler list or a behavior based on its name.
__isset()Checks if a property value is null.
__set()Sets value of a component property.
__unset()Sets a component property to be null.
accessRules()Returns the access rules for this controller.
actionDeleteTransform()Deletes an asset transform.
actionEditTransform()Edit an asset transform.
actionSaveTransform()Saves an asset source.
actionTransformIndex()Shows the asset transform list.
actions()Returns a list of external action classes.
asa()Returns the named behavior object.
attachBehavior()Attaches a behavior to this component.
attachBehaviors()Attaches a list of behaviors to the component.
attachEventHandler()Attaches an event handler to an event.
beforeAction()Checks if a controller has overridden allowAnonymous either as an array with actions to allow anonymous access to or as a bool that applies to all actions.
beginCache()Begins fragment caching.
beginClip()Begins recording a clip.
beginContent()Begins the rendering of content that is to be decorated by the specified view.
beginWidget()Creates a widget and executes it.
behaviors()Returns a list of behaviors that this controller should behave as.
canGetProperty()Determines whether a property can be read.
canSetProperty()Determines whether a property can be set.
clearPageStates()Removes all page states.
createAbsoluteUrl()Creates an absolute URL for the specified action defined in this controller.
createAction()Creates the action instance based on the action name.
createUrl()Creates a relative URL for the specified action defined in this controller.
createWidget()Creates a widget and initializes it.
detachBehavior()Detaches a behavior from the component.
detachBehaviors()Detaches all behaviors from the component.
detachEventHandler()Detaches an existing event handler.
disableBehavior()Disables an attached behavior.
disableBehaviors()Disables all behaviors attached to this component.
enableBehavior()Enables an attached behavior.
enableBehaviors()Enables all behaviors attached to this component.
endCache()Ends fragment caching.
endClip()Ends recording a clip.
endContent()Ends the rendering of content.
endWidget()Ends the execution of the named widget.
evaluateExpression()Evaluates a PHP expression or callback under the context of this component.
filterAccessControl()The filter method for 'accessControl' filter.
filterAjaxOnly()The filter method for 'ajaxOnly' filter.
filterPostOnly()The filter method for 'postOnly' filter.
filters()Returns the filter configurations.
forward()Processes the request using another controller action.
getActionParams()Returns the request parameters that will be used for action parameter binding.
getClips()Returns the list of clips.
getEventHandlers()Returns the list of attached event handlers for an event.
getLayoutFile()Looks for the layout view script based on the layout name.
getPageState()Returns a persistent page state value.
getViewFile()Returns the view script file according to the specified view name.
getViewPath()Returns the directory containing view files for this controller.
hasEvent()Determines whether an event is defined.
hasEventHandler()Checks whether the named event has attached handlers.
hasProperty()Determines whether a property is defined.
init()Initializes the controller.
invalidActionParams()This method is invoked when the request parameters do not satisfy the requirement of the specified action.
isCachingStackEmpty()Returns whether the caching stack is empty.
missingAction()Handles the request whose action is not recognized.
processDynamicOutput()Postprocesses the dynamic output.
processOutput()Postprocesses the output generated by {@link render()}.
raiseEvent()Raises an event.
recordCachingAction()Records a method call when an output cache is in effect.
redirect()Redirects the browser to a given URL.
redirectToPostedUrl()Redirects to the URI specified in the POST.
refresh()Refreshes the current page.
render()Renders a view with a layout.
renderClip()Renders a named clip with the supplied parameters.
renderDynamic()Renders dynamic content returned by the specified callback.
renderDynamicInternal()This method is internally used.
renderFile()Renders a view file.
renderInternal()Renders a view file.
renderPartial()Renders a view.
renderTemplate()Renders a template, and either outputs or returns it.
renderText()Renders a static text string.
requireAdmin()Throws a 403 error if the current user is not an admin.
requireAjaxRequest()Throws a 400 error if this isn’t an Ajax request.
requireElevatedSession()Requires that the user has an elevated session.
requireLogin()Redirects the user to the login template if they're not logged in.
requirePostRequest()Throws a 400 error if this isn’t a POST request
requireToken()Throws a 400 error if the current request doesn’t have a valid token.
resolveViewFile()Finds a view file based on its name.
returnErrorJson()Responds to the request with a JSON error message.
returnJson()Responds to the request with JSON.
run()Runs the named action.
runAction()Runs the action after passing through all filters.
runActionWithFilters()Runs an action with the specified filters.
setPageState()Saves a persistent page state value.
widget()Creates a widget and executes it.


Deletes an asset transform.

View source


public void actionDeleteTransform ( )


Edit an asset transform.

View source




public void actionEditTransform ( array $variables = [] )


Saves an asset source.

View source


public void actionSaveTransform ( )


Shows the asset transform list.

View source


public void actionTransformIndex ( )


Initializes the controller.

This method is called by the application before the controller starts to execute. You may override this method to perform the needed initialization for the controller.


View source





public null init ( )

Protected Methods

afterAction()This method is invoked right after an action is executed.
afterRender()This method is invoked after the specified view is rendered by calling {@link render()}.
beforeRender()This method is invoked at the beginning of {@link render()}.
createActionFromMap()Creates the action instance based on the action map.
loadPageStates()Loads page states from a hidden input.
replaceDynamicOutput()Replaces the dynamic content placeholders with actual content.
savePageStates()Saves page states as a base64 string.


STATE_INPUT_NAMEName of the hidden field storing persistent page states.