jdk.awt.ContainerOrderFocusTraversalPolicy
A FocusTraversalPolicy that determines traversal order based on the order of child Components in a Container. From a particular focus cycle root, the policy makes a pre-order traversal of the Component hierarchy, and traverses a Container's children according to the ordering of the array returned by Container.getComponents(). Portions of the hierarchy that are not visible and displayable will not be searched.
By default, ContainerOrderFocusTraversalPolicy implicitly transfers focus down-cycle. That is, during normal forward focus traversal, the Component traversed after a focus cycle root will be the focus-cycle-root's default Component to focus. This behavior can be disabled using the setImplicitDownCycleTraversal method.
By default, methods of this class will return a Component only if it is visible, displayable, enabled, and focusable. Subclasses can modify this behavior by overriding the accept method.
This policy takes into account focus traversal policy providers. When searching for first/last/next/previous Component, if a focus traversal policy provider is encountered, its focus traversal policy is used to perform the search operation.
A FocusTraversalPolicy that determines traversal order based on the order of child Components in a Container. From a particular focus cycle root, the policy makes a pre-order traversal of the Component hierarchy, and traverses a Container's children according to the ordering of the array returned by Container.getComponents(). Portions of the hierarchy that are not visible and displayable will not be searched. By default, ContainerOrderFocusTraversalPolicy implicitly transfers focus down-cycle. That is, during normal forward focus traversal, the Component traversed after a focus cycle root will be the focus-cycle-root's default Component to focus. This behavior can be disabled using the setImplicitDownCycleTraversal method. By default, methods of this class will return a Component only if it is visible, displayable, enabled, and focusable. Subclasses can modify this behavior by overriding the accept method. This policy takes into account focus traversal policy providers. When searching for first/last/next/previous Component, if a focus traversal policy provider is encountered, its focus traversal policy is used to perform the search operation.
->container-order-focus-traversal-policyclj
(->container-order-focus-traversal-policy)Constructor.
Constructor.
get-component-afterclj
(get-component-after this a-container a-component)Returns the Component that should receive the focus after aComponent. aContainer must be a focus cycle root of aComponent or a focus traversal policy provider.
By default, ContainerOrderFocusTraversalPolicy implicitly transfers focus down-cycle. That is, during normal forward focus traversal, the Component traversed after a focus cycle root will be the focus-cycle- root's default Component to focus. This behavior can be disabled using the setImplicitDownCycleTraversal method.
If aContainer is focus traversal policy provider, the focus is always transferred down-cycle.
a-container - a focus cycle root of aComponent or a focus traversal policy provider - java.awt.Container
a-component - a (possibly indirect) child of aContainer, or aContainer itself - java.awt.Component
returns: the Component that should receive the focus after aComponent, or
null if no suitable Component can be found - java.awt.Component
throws: java.lang.IllegalArgumentException - if aContainer is not a focus cycle root of aComponent or focus traversal policy provider, or if either aContainer or aComponent is null
Returns the Component that should receive the focus after aComponent.
aContainer must be a focus cycle root of aComponent or a focus traversal policy provider.
By default, ContainerOrderFocusTraversalPolicy implicitly transfers
focus down-cycle. That is, during normal forward focus traversal, the
Component traversed after a focus cycle root will be the focus-cycle-
root's default Component to focus. This behavior can be disabled using
the setImplicitDownCycleTraversal method.
If aContainer is focus
traversal policy provider, the focus is always transferred down-cycle.
a-container - a focus cycle root of aComponent or a focus traversal policy provider - `java.awt.Container`
a-component - a (possibly indirect) child of aContainer, or aContainer itself - `java.awt.Component`
returns: the Component that should receive the focus after aComponent, or
null if no suitable Component can be found - `java.awt.Component`
throws: java.lang.IllegalArgumentException - if aContainer is not a focus cycle root of aComponent or focus traversal policy provider, or if either aContainer or aComponent is nullget-component-beforeclj
(get-component-before this a-container a-component)Returns the Component that should receive the focus before aComponent. aContainer must be a focus cycle root of aComponent or a focus traversal policy provider.
a-container - a focus cycle root of aComponent or focus traversal policy provider - java.awt.Container
a-component - a (possibly indirect) child of aContainer, or aContainer itself - java.awt.Component
returns: the Component that should receive the focus before aComponent,
or null if no suitable Component can be found - java.awt.Component
throws: java.lang.IllegalArgumentException - if aContainer is not a focus cycle root of aComponent or focus traversal policy provider, or if either aContainer or aComponent is null
Returns the Component that should receive the focus before aComponent.
aContainer must be a focus cycle root of aComponent or a focus traversal policy
provider.
a-container - a focus cycle root of aComponent or focus traversal policy provider - `java.awt.Container`
a-component - a (possibly indirect) child of aContainer, or aContainer itself - `java.awt.Component`
returns: the Component that should receive the focus before aComponent,
or null if no suitable Component can be found - `java.awt.Component`
throws: java.lang.IllegalArgumentException - if aContainer is not a focus cycle root of aComponent or focus traversal policy provider, or if either aContainer or aComponent is nullget-default-componentclj
(get-default-component this a-container)Returns the default Component to focus. This Component will be the first to receive focus when traversing down into a new focus traversal cycle rooted at aContainer. The default implementation of this method returns the same Component as getFirstComponent.
a-container - the focus cycle root or focus traversal policy provider whose default Component is to be returned - java.awt.Container
returns: the default Component in the traversal cycle of aContainer,
or null if no suitable Component can be found - java.awt.Component
throws: java.lang.IllegalArgumentException - if aContainer is null
Returns the default Component to focus. This Component will be the first
to receive focus when traversing down into a new focus traversal cycle
rooted at aContainer. The default implementation of this method
returns the same Component as getFirstComponent.
a-container - the focus cycle root or focus traversal policy provider whose default Component is to be returned - `java.awt.Container`
returns: the default Component in the traversal cycle of aContainer,
or null if no suitable Component can be found - `java.awt.Component`
throws: java.lang.IllegalArgumentException - if aContainer is nullget-first-componentclj
(get-first-component this a-container)Returns the first Component in the traversal cycle. This method is used to determine the next Component to focus when traversal wraps in the forward direction.
a-container - the focus cycle root or focus traversal policy provider whose first Component is to be returned - java.awt.Container
returns: the first Component in the traversal cycle of aContainer,
or null if no suitable Component can be found - java.awt.Component
throws: java.lang.IllegalArgumentException - if aContainer is null
Returns the first Component in the traversal cycle. This method is used
to determine the next Component to focus when traversal wraps in the
forward direction.
a-container - the focus cycle root or focus traversal policy provider whose first Component is to be returned - `java.awt.Container`
returns: the first Component in the traversal cycle of aContainer,
or null if no suitable Component can be found - `java.awt.Component`
throws: java.lang.IllegalArgumentException - if aContainer is nullget-implicit-down-cycle-traversal?clj
(get-implicit-down-cycle-traversal? this)Returns whether this ContainerOrderFocusTraversalPolicy transfers focus down-cycle implicitly. If true, during normal forward focus traversal, the Component traversed after a focus cycle root will be the focus-cycle-root's default Component to focus. If false, the next Component in the focus traversal cycle rooted at the specified focus cycle root will be traversed instead.
returns: whether this ContainerOrderFocusTraversalPolicy transfers focus
down-cycle implicitly - boolean
Returns whether this ContainerOrderFocusTraversalPolicy transfers focus
down-cycle implicitly. If true, during normal forward focus
traversal, the Component traversed after a focus cycle root will be the
focus-cycle-root's default Component to focus. If false,
the next Component in the focus traversal cycle rooted at the specified
focus cycle root will be traversed instead.
returns: whether this ContainerOrderFocusTraversalPolicy transfers focus
down-cycle implicitly - `boolean`get-last-componentclj
(get-last-component this a-container)Returns the last Component in the traversal cycle. This method is used to determine the next Component to focus when traversal wraps in the reverse direction.
a-container - the focus cycle root or focus traversal policy provider whose last Component is to be returned - java.awt.Container
returns: the last Component in the traversal cycle of aContainer,
or null if no suitable Component can be found - java.awt.Component
throws: java.lang.IllegalArgumentException - if aContainer is null
Returns the last Component in the traversal cycle. This method is used
to determine the next Component to focus when traversal wraps in the
reverse direction.
a-container - the focus cycle root or focus traversal policy provider whose last Component is to be returned - `java.awt.Container`
returns: the last Component in the traversal cycle of aContainer,
or null if no suitable Component can be found - `java.awt.Component`
throws: java.lang.IllegalArgumentException - if aContainer is nullset-implicit-down-cycle-traversalclj
(set-implicit-down-cycle-traversal this implicit-down-cycle-traversal)Sets whether this ContainerOrderFocusTraversalPolicy transfers focus down-cycle implicitly. If true, during normal forward focus traversal, the Component traversed after a focus cycle root will be the focus-cycle-root's default Component to focus. If false, the next Component in the focus traversal cycle rooted at the specified focus cycle root will be traversed instead. The default value for this property is true.
implicit-down-cycle-traversal - whether this ContainerOrderFocusTraversalPolicy transfers focus down-cycle implicitly - boolean
Sets whether this ContainerOrderFocusTraversalPolicy transfers focus down-cycle implicitly. If true, during normal forward focus traversal, the Component traversed after a focus cycle root will be the focus-cycle-root's default Component to focus. If false, the next Component in the focus traversal cycle rooted at the specified focus cycle root will be traversed instead. The default value for this property is true. implicit-down-cycle-traversal - whether this ContainerOrderFocusTraversalPolicy transfers focus down-cycle implicitly - `boolean`
cljdoc is a website building & hosting documentation for Clojure/Script libraries
× close