Adobe flex formitem required

Implementation public function get label :String public function set label value:String :void. The default value is false. Implementation public function get required :Boolean public function set required value:Boolean :void. See the License for the specific language governing permissions and limitations under the License.

Starting with Flex 4. FormItem Constructor. Dispatched when the component is added to a container as a content child by using the addChild , addChildAt , addElement , or addElementAt method. Dispatched after a child has been added to a container. Dispatched after the index among the container children of a container child changes. Dispatched before a child of a container is removed. Dispatched when the component has finished its construction, property processing, measuring, layout, and drawing.

Dispatched after the currentState property changes, but before the view state changes. Dispatched by the drag initiator the component that is the source of the data being dragged when the drag operation completes, either when you drop the dragged data onto a drop target or when you end the drag-and-drop operation without performing a drop. Dispatched by the drop target when the user releases the mouse over it. Dispatched by a component when the user moves the mouse over the component during a drag operation.

Dispatched by the component when the user drags outside the component, but does not drop the data onto the target. Dispatched by a component when the user moves the mouse while over the component during a drag operation. Dispatched by the drag initiator when starting a drag operation. Dispatched after an effect is stopped, which happens only by a call to stop on the effect. Dispatched after the component has entered a view state. Dispatched just before the component exits a view state.

Dispatched when an object's state changes from visible to invisible. Dispatched when the component has finished its construction and has all initialization properties set. Dispatched when a component is monitored by a Validator and the validation failed. Dispatched from a component opened using the PopUpManager when the user clicks outside it. Dispatched from a component opened using the PopUpManager when the user scrolls the mouse wheel outside it.

Dispatched at the beginning of the component initialization sequence. Dispatched when the component is removed from a container as a content child by using the removeChild , removeChildAt , removeElement , or removeElementAt method.

Dispatched when the user manually scrolls the container. Dispatched when an object's state changes from invisible to visible. Dispatched after the component has entered a new state and any state transition animation to that state has finished playing. Dispatched when a component interrupts a transition to its current state in order to switch to a new state. Dispatched by the component when it is time to create a ToolTip. Dispatched by the component when its ToolTip has been hidden and is to be discarded soon.

Dispatched by the component when its ToolTip is about to be hidden. Dispatched by the component when its ToolTip is about to be shown. Dispatched by the component when its ToolTip has been shown. Dispatched by a component whose toolTip property is set, as soon as the user moves the mouse over it.

A non-cancellable event, dispatched by a component when it is done responding to a touch interaction user gesture. A non-cancellable event, dispatched by a component when it starts responding to a touch interaction user gesture.

A cancellable event, dispatched by a component in an attempt to respond to a touch interaction user gesture. Dispatched when an object has had its commitProperties , measure , and updateDisplayList methods called if needed. Dispatched when a component is monitored by a Validator and the validation succeeded. Dispatched when values are changed programmatically or by user interaction. Type: String CSS Inheritance: no If a background image is specified, this style specifies whether it is fixed with regard to the viewport "fixed" or scrolls along with the content "scroll".

Type: String CSS Inheritance: no The vertical distance in pixels from the top edge of the content area to the control's baseline position. Type: String CSS Inheritance: no The vertical distance, in pixels, from the bottom edge of the component to the bottom edge of its parent container's content area.

Type: Number CSS Inheritance: no The alpha value for the overlay that is placed on top of the container when it is disabled. See also flash. TextField flash. Possible values are "left" , "center" , and "right".

The default value is "left". Type: String CSS Inheritance: no The horizontal distance in pixels from the center of the component's content area to the center of the component.

The default value depends on the component class; if not overridden for the class, the default value is 8. The default value is The default value is the "mx.

Required" symbol in the Assets. See also mx. This style should be used instead of FormItemLabel. The default is the length of the longest label in the form. Type: String CSS Inheritance: no The horizontal distance, in pixels, from the left edge of the component to the left edge of its parent container's content area. The default value is 0. Type: String CSS Inheritance: no The horizontal distance, in pixels, from the right edge of the component to the right edge of its parent container's content area.

Type: String CSS Inheritance: no The vertical distance, in pixels, from the top edge of the component to the top edge of its parent container's content area. Type: String CSS Inheritance: no The vertical distance in pixels from the center of the component's content area to the center of the component.

The default value depends on the component class; if not overridden for the class, the default value is 6. Triggering Event: added Played when the component is added as a child to a Container.

Triggering Event: creationComplete Played when the component is created. Triggering Event: hide Played when the component becomes invisible. Triggering Event: mouseDown Played when the user presses the mouse button while over the component.

Triggering Event: mouseUp Played when the user releases the mouse button while over the component. Ends the startTouchDrag method, for use with touch-enabled devices.

Flex calls the stylesInitialized method when the styles for a component are first initialized. Swaps the index of the two specified visual elements. Swaps the visual elements at the two specified index positions in the container. Returns the string representation of this object, formatted according to locale-specific conventions.

A utility method to update the rotation, scale, and translation of the transform while keeping a particular point, specified in the component's own coordinate space, fixed in the parent's coordinate space.

A utility method to transform a point specified in the local coordinates of this object to its location in the object's parent's coordinates. Validates the position and size of children and draws other visuals. Validate and update the properties and layout of this object and redraw it, if necessary. Used by layout logic to validate the properties of a component by calling the commitProperties method. Validates the measured size of the component If the LayoutManager.

Handles both the valid and invalid events from a validator assigned to this component. Returns a box Matrix which can be passed to drawRoundRect as the rot parameter when drawing a vertical gradient.

Checks whether an event listener is registered with this EventDispatcher object or any of its ancestors for the specified event type. Protected Methods. Hide Inherited Protected Methods. Show Inherited Protected Methods. Commits the computed matrix built from the combination of the layout matrix and the transform offsets to the flash displayObject's transform.

This is an internal method used by the Flex framework to support the Dissolve effect. Determines if the call to the measure method can be skipped. Performs any final processing after child objects are created.

Creates a new object using a context based on the embedded font being used. Helper method for dispatching a PropertyChangeEvent when a property is updated. Find the skin parts in the skin class and assign them to the properties of the component. The event handler called when a UIComponent object gets focus. The event handler called when a UIComponent object loses focus. Initializes the implementation and storage of some of the less frequently used advanced layout features of a component.

Helper method to invalidate parent size and display list if this object affects its layout includeInLayout is true. Calculates the default size, and optionally the default minimum size, of the component.

This method is called when a UIComponent is constructed, and again whenever the ResourceManager dispatches a "change" Event to indicate that the localized resources have changed in some way. Specifies a transform stretch factor in the horizontal and vertical direction. This method is called when a state changes to check whether state-specific styles apply to this component. Click for more information on events. Hide Inherited Events. Show Inherited Events. Click for more information on styles.

Hide Inherited Styles. Show Inherited Styles. Skin Parts. Click for more information on skins. Hide Inherited Skin Parts.

Show Inherited Skin Parts. Skin States. Hide Inherited Skin States. Show Inherited Skin States. Click for more information on effects. Hide Inherited Effects. Show Inherited Effects. Public Constants. Hide Inherited Public Constants. Show Inherited Public Constants. Property Detail. Implementation public function get elementErrorStrings : Vector. The default value is null. Implementation public function get helpContent : Array public function set helpContent value: Array : void. The default value is "".

Implementation public function get label : String public function set label value: String : void. The default value is false. Implementation public function get required : Boolean public function set required value: Boolean : void. Implementation public function get sequenceLabel : String public function set sequenceLabel value: String : void. Examples How to use this example.

Language Reference only. FormItem Constructor. Dispatched when the component is added to a container as a content child by using the addChild , addChildAt , addElement , or addElementAt method. Dispatched when a display object is added to the display list.

Dispatched when a display object is added to the on stage display list, either directly or through the addition of a sub tree in which the display object is contained. Dispatched when the user selects 'Clear' or 'Delete' from the text context menu.

Dispatched when a user presses and releases the main button of the user's pointing device over the same InteractiveObject. Dispatched after the content for this component has been created. Dispatched when a user gesture triggers the context menu associated with this interactive object in an AIR application. Dispatched when the user activates the platform-specific accelerator key combination for a copy operation or selects 'Copy' from the text context menu.

Dispatched when the component has finished its construction, property processing, measuring, layout, and drawing. Dispatched after the currentState property changes, but before the view state changes. Dispatched when the user activates the platform-specific accelerator key combination for a cut operation or selects 'Cut' from the text context menu.

Dispatched when a user presses and releases the main button of a pointing device twice in rapid succession over the same InteractiveObject when that object's doubleClickEnabled flag is set to true.

Dispatched by the drag initiator the component that is the source of the data being dragged when the drag operation completes, either when you drop the dragged data onto a drop target or when you end the drag-and-drop operation without performing a drop. Dispatched by the drop target when the user releases the mouse over it. Dispatched by a component when the user moves the mouse over the component during a drag operation.

Dispatched by the component when the user drags outside the component, but does not drop the data onto the target. Dispatched by a component when the user moves the mouse while over the component during a drag operation. Dispatched by the drag initiator when starting a drag operation. Dispatched after an effect is stopped, which happens only by a call to stop on the effect. Dispatched when a visual element is added to the content holder.

Dispatched when a visual element is removed from the content holder. Dispatched after the component has entered a view state. Dispatched just before the component exits a view state. Dispatched when the user creates a point of contact along the edge of the touch surface with an InteractiveObject instance, such as tapping along the edge of the touch surface on Siri Remote for Apple TV Some devices might also interpret this contact as a combination of several touch events, as well.

Dispatched when the user presses two points of contact over the same InteractiveObject instance on a touch-enabled device such as presses and releases two fingers over a display object on a mobile phone or tablet with a touch screen.

Dispatched when the user moves a point of contact over the InteractiveObject instance on a touch-enabled device such as moving a finger from left to right over a display object on a mobile phone or tablet with a touch screen. Dispatched when the user performs a rotation gesture at a point of contact with an InteractiveObject instance such as touching two fingers and rotating them over a display object on a mobile phone or tablet with a touch screen.

You use the defaultButton property of a container to define a default Button control. Pressing the Enter key while the focus is on any form control activates the Button control just as if it was explicitly selected. To define a required field, you specify the required property of the FormItem container. If this property is specified, all the children of the FormItem container are marked as required. For Validation of Form Data , Flex provides a set of data validators for the most common types of data collected by a form.

Share this: Twitter Facebook. Like this: Like Loading Leave a Reply Cancel reply Enter your comment here Fill in your details below or click an icon to log in:. Email required Address never made public. Where did you find it? Easy…just swap the Image and Label tags. Since they both reside inside of an HBox horizontal box , the first tag listed will appear left-most on the screen.

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