| 套件 | mx.core |
| 介面 | public interface ILayoutElement extends IEventDispatcher |
| 實作者 | GraphicElement, UIMovieClip |
| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
| 屬性 | 定義自 | ||
|---|---|---|---|
| baseline : Object
The vertical distance in pixels from the anchor target to
the control's baseline position. | ILayoutElement | ||
| baselinePosition : Number [唯讀]
The y-coordinate of the baseline
of the first line of text of the component. | ILayoutElement | ||
| bottom : Object
The vertical distance in pixels from the bottom edge of the component to the
anchor target's bottom edge. | ILayoutElement | ||
| hasLayoutMatrix3D : Boolean [唯讀]
Contains true if the element has 3D Matrix. | ILayoutElement | ||
| horizontalCenter : Object
The horizontal distance in pixels from the center of the component to the
center of the anchor target's content area. | ILayoutElement | ||
| includeInLayout : Boolean
Specifies whether this component is included in the layout of the
parent container. | ILayoutElement | ||
| left : Object
The horizontal distance in pixels from the left edge of the component to the
anchor target's left edge. | ILayoutElement | ||
| percentHeight : Number
Specifies the height of a component as a percentage
of its parent's size. | ILayoutElement | ||
| percentWidth : Number
Specifies the width of a component as a percentage
of its parent's size. | ILayoutElement | ||
| right : Object
The horizontal distance in pixels from the right edge of the component to the
anchor target's right edge. | ILayoutElement | ||
| top : Object
The vertical distance in pixels from the top edge of the component to the
anchor target's top edge. | ILayoutElement | ||
| verticalCenter : Object
The vertical distance in pixels from the center of the component to the
center of the anchor target's content area. | ILayoutElement | ||
隱藏繼承公用方法
顯示繼承公用方法| 方法 | 定義自 | ||
|---|---|---|---|
 | addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int = 0, useWeakReference:Boolean = false):void
會在 EventDispatcher 物件註冊事件偵聽程式，以便讓偵聽程式收到事件的通知。 | IEventDispatcher | |
|
會將事件傳送到事件流程。 | IEventDispatcher | |
Returns the x coordinate of the element's bounds at the specified element size. | ILayoutElement | ||
Returns the y coordinate of the element's bounds at the specified element size. | ILayoutElement | ||
Returns the element's layout height. | ILayoutElement | ||
Returns the element's layout width. | ILayoutElement | ||
Returns the x coordinate that the element uses to draw on screen. | ILayoutElement | ||
Returns the y coordinate that the element uses to draw on screen. | ILayoutElement | ||
Returns the transform matrix that is used to calculate the component's
layout relative to its siblings. | ILayoutElement | ||
Returns the layout transform Matrix3D for this element. | ILayoutElement | ||
Returns the element's maximum height. | ILayoutElement | ||
Returns the element's maximum width. | ILayoutElement | ||
Returns the element's minimum height. | ILayoutElement | ||
Returns the element's minimum width. | ILayoutElement | ||
Returns the element's preferred height. | ILayoutElement | ||
Returns the element's preferred width. | ILayoutElement | ||
|
會檢查 EventDispatcher 物件是否有對特定的事件類型註冊偵聽程式。 | IEventDispatcher | |
|
會從 EventDispatcher 物件移除偵聽程式。 | IEventDispatcher | |
Sets the coordinates that the element uses to draw on screen. | ILayoutElement | ||
Sets the layout size of the element. | ILayoutElement | ||
Sets the transform Matrix that is used to calculate the component's layout
size and position relative to its siblings. | ILayoutElement | ||
Sets the transform Matrix3D that is used to calculate the component's layout
size and position relative to its siblings. | ILayoutElement | ||
transformAround(transformCenter:Vector3D, scale:Vector3D = null, rotation:Vector3D = null, translation:Vector3D = null, postLayoutScale:Vector3D = null, postLayoutRotation:Vector3D = null, postLayoutTranslation:Vector3D = null, invalidateLayout:Boolean = true):void
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. | ILayoutElement | ||
|
檢查此 EventDispatcher 物件是否已註冊事件偵聽程式，或者此物件的任何祖系已為特定事件類型註冊事件偵聽程式。 | IEventDispatcher | |
baseline | 屬性 |
baseline:Object| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
The vertical distance in pixels from the anchor target to the control's baseline position.
By default the anchor target is the top edge of the container's content area. In layouts with advanced constraints, the target can be a constraint row.
Setting the property to a number or to a numerical string like "10" specifies use of the default anchor target.
To specify an anchor target, set the property value to a string in the format: "anchorTargetName:value". For example, "row1:10".
預設值為 null。
實作
public function get baseline():Object public function set baseline(value:Object):voidbaselinePosition | 屬性 |
baselinePosition:Number [唯讀] | 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
The y-coordinate of the baseline of the first line of text of the component.
This property is used to implement
the baseline constraint style.
It is also used to align the label of a FormItem
with the controls in the FormItem.
Each component should override this property.
實作
public function get baselinePosition():Numberbottom | 屬性 |
bottom:Object| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
The vertical distance in pixels from the bottom edge of the component to the anchor target's bottom edge.
By default the anchor target is the container's content area. In layouts with advanced constraints, the target can be a constraint row.
Setting the property to a number or to a numerical string like "10" specifies use of the default anchor target.
To specify an anchor target, set the property value to a string in the format: "anchorTargetName:value". For example, "row1:10".
預設值為 null。
實作
public function get bottom():Object public function set bottom(value:Object):voidhasLayoutMatrix3D | 屬性 |
hasLayoutMatrix3D:Boolean [唯讀] | 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
Contains true if the element has 3D Matrix.
Use hasLayoutMatrix3D instead of calling and examining the
return value of getLayoutMatrix3D() because that method returns a valid
matrix even when the element is in 2D.
實作
public function get hasLayoutMatrix3D():BooleanhorizontalCenter | 屬性 |
horizontalCenter:Object| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
The horizontal distance in pixels from the center of the component to the center of the anchor target's content area.
The default anchor target is the container itself.
In layouts with advanced constraints, the anchor target can be a constraint column. Then the content area is the space between the preceding column (or container side) and the target column.
Setting the property to a number or to a numerical string like "10" specifies use of the default anchor target.
To specify an anchor target, set the property value to a string in the format "constraintColumnId:value". For example, "col1:10".
預設值為 null。
實作
public function get horizontalCenter():Object public function set horizontalCenter(value:Object):voidincludeInLayout | 屬性 |
includeInLayout:Boolean| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
Specifies whether this component is included in the layout of the
parent container.
If true, the object is included in its parent container's
layout and is sized and positioned by its parent container as per its layout rules.
If false, the object size and position are not affected by its parent container's
layout.
實作
public function get includeInLayout():Boolean public function set includeInLayout(value:Boolean):voidleft | 屬性 |
left:Object| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
The horizontal distance in pixels from the left edge of the component to the anchor target's left edge.
By default the anchor target is the container's content area. In layouts with advanced constraints, the target can be a constraint column.
Setting the property to a number or to a numerical string like "10" specifies use of the default anchor target.
To specify an anchor target, set the property value to a string in the format "anchorTargetName:value". For example, "col1:10".
預設值為 null。
實作
public function get left():Object public function set left(value:Object):voidpercentHeight | 屬性 |
percentHeight:Number| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
Specifies the height of a component as a percentage
of its parent's size. Allowed values are 0-100.
Setting the height or explicitHeight properties
resets this property to NaN.
This property returns a numeric value only if the property was previously set; it does not reflect the exact size of the component in percent.
預設值為 NaN。
實作
public function get percentHeight():Number public function set percentHeight(value:Number):voidpercentWidth | 屬性 |
percentWidth:Number| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
Specifies the width of a component as a percentage
of its parent's size. Allowed values are 0-100.
Setting the width or explicitWidth properties
resets this property to NaN.
This property returns a numeric value only if the property was previously set; it does not reflect the exact size of the component in percent.
預設值為 NaN。
實作
public function get percentWidth():Number public function set percentWidth(value:Number):voidright | 屬性 |
right:Object| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
The horizontal distance in pixels from the right edge of the component to the anchor target's right edge.
By default the anchor target is the container's content area. In layouts with advanced constraints, the target can be a constraint column.
Setting the property to a number or to a numerical string like "10" specifies use of the default anchor target.
To specify an anchor target, set the property value to a string in the format "anchorTargetName:value". For example, "col1:10".
預設值為 null。
實作
public function get right():Object public function set right(value:Object):voidtop | 屬性 |
top:Object| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
The vertical distance in pixels from the top edge of the component to the anchor target's top edge.
By default the anchor target is the container's content area. In layouts with advanced constraints, the target can be a constraint row.
Setting the property to a number or to a numerical string like "10" specifies use of the default anchor target.
To specify an anchor target, set the property value to a string in the format "anchorTargetName:value". For example, "row1:10".
預設值為 null。
實作
public function get top():Object public function set top(value:Object):voidverticalCenter | 屬性 |
verticalCenter:Object| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
The vertical distance in pixels from the center of the component to the center of the anchor target's content area.
The default anchor target is the container itself.
In layouts with advanced constraints, the anchor target can be a constraint row. Then the content area is the space between the preceding row (or container side) and the target row.
Setting the property to a number or to a numerical string like "10" specifies use of the default anchor target.
To specify an anchor target, set the property value to a string in the format "constraintColumnId:value". For example, "row1:10".
預設值為 null。
實作
public function get verticalCenter():Object public function set verticalCenter(value:Object):voidgetBoundsXAtSize | () | 方法 |
public function getBoundsXAtSize(width:Number, height:Number, postLayoutTransform:Boolean = true):Number| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
Returns the x coordinate of the element's bounds at the specified element size.
This method is typically used by layouts during a call to the
measure() method to predict what
the element position will be, if the element is resized to particular dimensions.
參數
width:Number — The element's bounds width, or NaN to use the preferred width.
| |
height:Number — The element's bounds height, or NaN to use the preferred height.
| |
postLayoutTransform:Boolean (default = true)postLayoutTransform is true, the method returns
x coordinate of the element's bounding box top-left corner.
The bounding box is in element's parent coordinate space and is calculated
from the specified bounds size, layout position and layout transform matrix.
|
Number — The x coordinate of the element's bounds at the specified element size.
|
相關 API 元素
getBoundsYAtSize | () | 方法 |
public function getBoundsYAtSize(width:Number, height:Number, postLayoutTransform:Boolean = true):Number| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
Returns the y coordinate of the element's bounds at the specified element size.
This method is typically used by layouts during a call to
the measure() to predict what
the element position will be, if the element is resized to particular dimensions.
參數
width:Number — The element's bounds width, or NaN to use the preferred width.
| |
height:Number — The element's bounds height, or NaN to use the preferred height.
| |
postLayoutTransform:Boolean (default = true)postLayoutTransform is true, the method returns
the y coordinate of the element's bounding box top-left corner.
The bounding box is in element's parent coordinate space and is calculated
from the specified bounds size, layout position and layout transform matrix.
|
Number — The y coordinate of the element's bounds at the specified element size.
|
相關 API 元素
getLayoutBoundsHeight | () | 方法 |
public function getLayoutBoundsHeight(postLayoutTransform:Boolean = true):Number| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
Returns the element's layout height. This is the size that the element uses to draw on screen.
參數
postLayoutTransform:Boolean (default = true)postLayoutTransform is true, the method returns
the element's bounding box width. The bounding box is in the element's parent
coordinate space and is calculated from the element's layout size and
layout transform matrix.
|
Number — The element's layout height.
|
相關 API 元素
getLayoutBoundsWidth | () | 方法 |
public function getLayoutBoundsWidth(postLayoutTransform:Boolean = true):Number| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
Returns the element's layout width. This is the size that the element uses to draw on screen.
參數
postLayoutTransform:Boolean (default = true)postLayoutTransform is true, the method returns
the element's bounding box width. The bounding box is in element's parent
coordinate space and is calculated from the element's layout size and
layout transform matrix.
|
Number — The element's layout width.
|
相關 API 元素
getLayoutBoundsX | () | 方法 |
public function getLayoutBoundsX(postLayoutTransform:Boolean = true):Number| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
Returns the x coordinate that the element uses to draw on screen.
參數
postLayoutTransform:Boolean (default = true)postLayoutTransform is true, the method returns
x coordinate of the element's bounding box top-left corner.
The bounding box is in the element's parent coordinate space and is calculated
from the element's layout size, layout position and layout transform matrix.
|
Number — The x coordinate that the element uses to draw on screen.
|
相關 API 元素
getLayoutBoundsY | () | 方法 |
public function getLayoutBoundsY(postLayoutTransform:Boolean = true):Number| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
Returns the y coordinate that the element uses to draw on screen.
參數
postLayoutTransform:Boolean (default = true)postLayoutTransform is true, the method returns
y coordinate of the element's bounding box top-left corner.
The bounding box is in the element's parent coordinate space and is calculated
from the element's layout size, layout position, and layout transform matrix.
|
Number — The y coordinate that the element uses to draw on screen.
|
相關 API 元素
getLayoutMatrix | () | 方法 |
public function getLayoutMatrix():Matrix| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
Returns the transform matrix that is used to calculate the component's layout relative to its siblings.
This matrix is typically defined by the
component's 2D properties such as x, y,
rotation, scaleX, scaleY,
transformX, and transformY.
Some components may have additional transform properties that
are applied on top of the layout matrix to determine the final,
computed matrix. For example UIComponent
defines the offsets property.
Matrix — The layout transform Matrix for this element.
Do not directly modify the return value; call the setLayoutMatrix() method instead.
|
相關 API 元素
getLayoutMatrix3D | () | 方法 |
public function getLayoutMatrix3D():Matrix3D| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
Returns the layout transform Matrix3D for this element.
This matrix is typically defined by the
component's transform properties such as x, y,
z, rotationX, rotationY,
rotationZ, scaleX, scaleY,
scaleZ, transformX, and transformY.
Some components may have additional transform properties that
are applied on top of the layout matrix to determine the final,
computed matrix. For example UIComponent
defines the offsets property.
Matrix3D — The layout transform Matrix3D for this element.
Do not directly modify the return value but call the setLayoutMatrix() method instead.
|
相關 API 元素
getMaxBoundsHeight | () | 方法 |
public function getMaxBoundsHeight(postLayoutTransform:Boolean = true):Number| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
Returns the element's maximum height.
參數
postLayoutTransform:Boolean (default = true)postLayoutTransform is true, the method returns
the element's bounding box height. The bounding box is in the element's parent
coordinate space and is calculated from the element's maximum size and
layout transform matrix.
|
Number — The element's maximum height.
|
相關 API 元素
getMaxBoundsWidth | () | 方法 |
public function getMaxBoundsWidth(postLayoutTransform:Boolean = true):Number| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
Returns the element's maximum width.
參數
postLayoutTransform:Boolean (default = true)postLayoutTransform is true, the method returns
the element's bounding box width. The bounding box is in the element's parent
coordinate space and is calculated from the element's maximum size and
layout transform matrix.
|
Number — The element's maximum width.
|
相關 API 元素
getMinBoundsHeight | () | 方法 |
public function getMinBoundsHeight(postLayoutTransform:Boolean = true):Number| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
Returns the element's minimum height.
參數
postLayoutTransform:Boolean (default = true)postLayoutTransform is true,
the method returns the element's bounding box height.
The bounding box is in the element's parent
coordinate space and is calculated from the element's minimum size and
layout transform matrix.
|
Number — The element's maximum height.
|
相關 API 元素
getMinBoundsWidth | () | 方法 |
public function getMinBoundsWidth(postLayoutTransform:Boolean = true):Number| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
Returns the element's minimum width.
參數
postLayoutTransform:Boolean (default = true)postLayoutTransform is true,
the method returns the element's bounding box width.
The bounding box is in the element's parent
coordinate space and is calculated from the element's minimum size and
layout transform matrix.
|
Number — The element's maximum width.
|
相關 API 元素
getPreferredBoundsHeight | () | 方法 |
public function getPreferredBoundsHeight(postLayoutTransform:Boolean = true):Number| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
Returns the element's preferred height.
參數
postLayoutTransform:Boolean (default = true)postLayoutTransform is true,
the method returns the element's bounding box height.
The bounding box is in the element's parent
coordinate space and is calculated from the element's preferred size and
layout transform matrix.
|
Number — Returns the element's preferred height. Preferred height is
usually based on the default element size and any explicit overrides.
For UIComponent this is the same value as returned by
the getExplicitOrMeasuredHeight() method.
|
相關 API 元素
getPreferredBoundsWidth | () | 方法 |
public function getPreferredBoundsWidth(postLayoutTransform:Boolean = true):Number| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
Returns the element's preferred width.
參數
postLayoutTransform:Boolean (default = true)postLayoutTransform is true,
the method returns the element's bounding box width.
The bounding box is in the element's parent
coordinate space and is calculated from the element's preferred size and
layout transform matrix.
|
Number — Returns the element's preferred width. Preferred width is
usually based on the default element size and any explicit overrides.
For UIComponent this is the same value as returned by
the getExplicitOrMeasuredWidth() method.
|
相關 API 元素
setLayoutBoundsPosition | () | 方法 |
public function setLayoutBoundsPosition(x:Number, y:Number, postLayoutTransform:Boolean = true):void| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
Sets the coordinates that the element uses to draw on screen.
Note that calls to the setLayoutBoundSize() method can affect the layout position, so
call setLayoutBoundPosition() after calling setLayoutBoundSize().
參數
x:Number — The x-coordinate of the top-left corner of the bounding box.
| |
y:Number — The y-coordinate of the top-left corner of the bounding box.
| |
postLayoutTransform:Boolean (default = true)postLayoutTransform is true,
the element is positioned in such a way that the top-left corner of its bounding box is (x, y).
The bounding box is in the element's parent coordinate space and is calculated
from the element's layout size, layout position and layout transform matrix.
|
相關 API 元素
setLayoutBoundsSize | () | 方法 |
public function setLayoutBoundsSize(width:Number, height:Number, postLayoutTransform:Boolean = true):void| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
Sets the layout size of the element. This is the size that the element uses to draw on screen.
If the width and/or height parameters are left unspecified (NaN),
Flex sets the element's layout size to its preferred width and/or preferred height.
Note that calls to the setLayoutBoundSize() method can affect the layout position, so
call setLayoutBoundPosition() after calling setLayoutBoundSize().
參數
width:Number — The element's layout width.
| |
height:Number — The element's layout height.
| |
postLayoutTransform:Boolean (default = true)postLayoutTransform is true, the specified sizes
are those of the element's bounding box.
The bounding box is in the element's parent coordinate space and is calculated
from the element's layout size, layout position, and layout transform matrix.
|
相關 API 元素
setLayoutMatrix | () | 方法 |
public function setLayoutMatrix(value:Matrix, invalidateLayout:Boolean):void| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
Sets the transform Matrix that is used to calculate the component's layout size and position relative to its siblings.
The matrix is typically defined by the
component's 2D properties such as x, y,
rotation, scaleX, scaleY,
transformX, and transformY.
Some components may have additional transform properties that
are applied on top of the layout matrix to determine the final,
computed matrix. For example UIComponent
defines the offsets.
Note that layout Matrix is factored in the getPreferredSize(),
getMinSize(), getMaxSize(), getLayoutSize()
methods when computed in parent coordinates
as well as in getLayoutPosition() in both parent and child coordinates.
Layouts that calculate the transform matrix explicitly typically call
this method and work with sizes in child coordinates.
Layouts calling this method pass false
to the invalidateLayout() method so that a subsequent layout pass is not
triggered.
參數
value:Matrix — The matrix.
| |
invalidateLayout:Boolean — true to cause the parent container
to re-layout its children. You typically pass true
to the invalidateLayout() method.
|
相關 API 元素
setLayoutMatrix3D | () | 方法 |
public function setLayoutMatrix3D(value:Matrix3D, invalidateLayout:Boolean):void| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
Sets the transform Matrix3D that is used to calculate the component's layout size and position relative to its siblings.
This matrix is typically defined by the
component's transform properties such as x, y,
z, rotationX, rotationY,
rotationZ, scaleX, scaleY,
scaleZ, transformX, and transformY.
Some components may have additional transform properties that
are applied on top of the layout matrix to determine the final,
computed matrix. For example UIComponent
defines the offsets property.
Note that layout Matrix3D is factored in the getPreferredSize(),
getMinSize(), getMaxSize(), getLayoutSize()
when computed in parent coordinates
as well as in getLayoutPosition() in both parent and child coordinates.
Layouts that calculate the transform matrix explicitly typically call
this method and work with sizes in child coordinates.
Layouts calling this method pass false
to the invalidateLayout() method so that a subsequent layout pass is not
triggered.
參數
value:Matrix3D — The matrix.
| |
invalidateLayout:Boolean — true to cause the parent container
to re-layout its children. You typically pass true
to the invalidateLayout() method.
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相關 API 元素
transformAround | () | 方法 |
public function transformAround(transformCenter:Vector3D, scale:Vector3D = null, rotation:Vector3D = null, translation:Vector3D = null, postLayoutScale:Vector3D = null, postLayoutRotation:Vector3D = null, postLayoutTranslation:Vector3D = null, invalidateLayout:Boolean = true):void| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | Flash Player 10, AIR 1.5 |
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. This function will assign the rotation, scale, and translation values provided, then update the x/y/z properties as necessary to keep the transform center fixed.
參數
transformCenter:Vector3D — The point, in the component's own coordinates,
to keep fixed relative to its parent.
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scale:Vector3D (default = null) | |
rotation:Vector3D (default = null) | |
translation:Vector3D (default = null) | |
postLayoutScale:Vector3D (default = null) | |
postLayoutRotation:Vector3D (default = null) | |
postLayoutTranslation:Vector3D (default = null) | |
invalidateLayout:Boolean (default = true)true, the parent container size and display are
invalidated. Layouts calling this method pass false
so that a subsequent layout pass is not triggered.
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Tue Jun 12 2018, 03:47 PM Z