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## com.google.gwt.layout.client
Class Layout.Layer

    java.lang.Object
      com.google.gwt.layout.client.Layout.Layer

Enclosing class:
  Layout

    public class Layout.Layer

extends java.lang.Object

This class is used to set the position and size of child elements.

Each child element has three values associated with each axis: {left, right, width} on the horizontal axis, and {top, bottom, height} on the vertical axis. Precisely two of three values may be set at a time, or the system will be over- or under-contrained. For this reason, the following methods are provided for setting these values:

- `setLeftRight(double, com.google.gwt.dom.client.Style.Unit, double, com.google.gwt.dom.client.Style.Unit)`
- `setLeftWidth(double, com.google.gwt.dom.client.Style.Unit, double, com.google.gwt.dom.client.Style.Unit)`
- `setRightWidth(double, com.google.gwt.dom.client.Style.Unit, double, com.google.gwt.dom.client.Style.Unit)`
- `setTopBottom(double, com.google.gwt.dom.client.Style.Unit, double, com.google.gwt.dom.client.Style.Unit)`
- `setTopHeight(double, com.google.gwt.dom.client.Style.Unit, double, com.google.gwt.dom.client.Style.Unit)`
- `setBottomHeight(double, com.google.gwt.dom.client.Style.Unit, double, com.google.gwt.dom.client.Style.Unit)`

By default, each layer is set to fill the entire parent (i.e., {left, top, right, bottom} = {0, 0, 0, 0}).

Field Summary
`(package private) double` | `bottom`
`(package private) Style.Unit` | `bottomUnit`
`(package private) Element` | `child`
`(package private) Element` | `container`
`(package private) double` | `height`
`(package private) Style.Unit` | `heightUnit`
`(package private) Layout.Alignment` | `hPos`
`(package private) double` | `left`
`(package private) Style.Unit` | `leftUnit`
`(package private) double` | `right`
`(package private) Style.Unit` | `rightUnit`
`(package private) boolean` | `setBottom`
`(package private) boolean` | `setHeight`
`(package private) boolean` | `setLeft`
`(package private) boolean` | `setRight`
`(package private) boolean` | `setTargetBottom`
`(package private) boolean` | `setTargetHeight`
`(package private) boolean` | `setTargetLeft`
`(package private) boolean` | `setTargetRight`
`(package private) boolean` | `setTargetTop`
`(package private) boolean` | `setTargetWidth`
`(package private) boolean` | `setTop`
`(package private) boolean` | `setWidth`
`(package private) double` | `sourceBottom`
`(package private) double` | `sourceHeight`
`(package private) double` | `sourceLeft`
`(package private) double` | `sourceRight`
`(package private) double` | `sourceTop`
`(package private) double` | `sourceWidth`
`(package private) double` | `targetBottom`
`(package private) Style.Unit` | `targetBottomUnit`
`(package private) double` | `targetHeight`
`(package private) Style.Unit` | `targetHeightUnit`
`(package private) double` | `targetLeft`
`(package private) Style.Unit` | `targetLeftUnit`
`(package private) double` | `targetRight`
`(package private) Style.Unit` | `targetRightUnit`
`(package private) double` | `targetTop`
`(package private) Style.Unit` | `targetTopUnit`
`(package private) double` | `targetWidth`
`(package private) Style.Unit` | `targetWidthUnit`
`(package private) double` | `top`
`(package private) Style.Unit` | `topUnit`
`(package private) java.lang.Object` | `userObject`
`(package private) boolean` | `visible`
`(package private) Layout.Alignment` | `vPos`
`(package private) double` | `width`
`(package private) Style.Unit` | `widthUnit`

Constructor Summary
`Layout.Layer(Element container, Element child, java.lang.Object userObject)`

Method Summary
`Element` | `getContainerElement()` Gets the container element associated with this layer.
`java.lang.Object` | `getUserObject()` Gets the user-data associated with this layer.
`void` | `setBottomHeight(double bottom, Style.Unit bottomUnit, double height, Style.Unit heightUnit)` Sets the layer's bottom and height values.
`void` | `setChildHorizontalPosition(Layout.Alignment position)` Sets the child element's horizontal position within the layer.
`void` | `setChildVerticalPosition(Layout.Alignment position)` Sets the child element's vertical position within the layer.
`void` | `setLeftRight(double left, Style.Unit leftUnit, double right, Style.Unit rightUnit)` Sets the layer's left and right values.
`void` | `setLeftWidth(double left, Style.Unit leftUnit, double width, Style.Unit widthUnit)` Sets the layer's left and width values.
`void` | `setRightWidth(double right, Style.Unit rightUnit, double width, Style.Unit widthUnit)` Sets the layer's right and width values.
`void` | `setTopBottom(double top, Style.Unit topUnit, double bottom, Style.Unit bottomUnit)` Sets the layer's top and bottom values.
`void` | `setTopHeight(double top, Style.Unit topUnit, double height, Style.Unit heightUnit)` Sets the layer's top and height values.
`void` | `setVisible(boolean visible)` Sets the layer's visibility.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### container

    final Element container

### child

    final Element child

### userObject

    java.lang.Object userObject

### setLeft

    boolean setLeft

### setRight

    boolean setRight

### setTop

    boolean setTop

### setBottom

    boolean setBottom

### setWidth

    boolean setWidth

### setHeight

    boolean setHeight

### setTargetLeft

    boolean setTargetLeft

### setTargetRight

    boolean setTargetRight

### setTargetTop

    boolean setTargetTop

### setTargetBottom

    boolean setTargetBottom

### setTargetWidth

    boolean setTargetWidth

### setTargetHeight

    boolean setTargetHeight

### leftUnit

    Style.Unit leftUnit

### topUnit

    Style.Unit topUnit

### rightUnit

    Style.Unit rightUnit

### bottomUnit

    Style.Unit bottomUnit

### widthUnit

    Style.Unit widthUnit

### heightUnit

    Style.Unit heightUnit

### targetLeftUnit

    Style.Unit targetLeftUnit

### targetTopUnit

    Style.Unit targetTopUnit

### targetRightUnit

    Style.Unit targetRightUnit

### targetBottomUnit

    Style.Unit targetBottomUnit

### targetWidthUnit

    Style.Unit targetWidthUnit

### targetHeightUnit

    Style.Unit targetHeightUnit

### left

    double left

### top

    double top

### right

    double right

### bottom

    double bottom

### width

    double width

### height

    double height

### sourceLeft

    double sourceLeft

### sourceTop

    double sourceTop

### sourceRight

    double sourceRight

### sourceBottom

    double sourceBottom

### sourceWidth

    double sourceWidth

### sourceHeight

    double sourceHeight

### targetLeft

    double targetLeft

### targetTop

    double targetTop

### targetRight

    double targetRight

### targetBottom

    double targetBottom

### targetWidth

    double targetWidth

### targetHeight

    double targetHeight

### hPos

    Layout.Alignment hPos

### vPos

    Layout.Alignment vPos

### visible

    boolean visible

Constructor Detail

### Layout.Layer

    Layout.Layer(Element container,
                 Element child,
                 java.lang.Object userObject)

Method Detail

### getContainerElement

    public Element getContainerElement()

  Gets the container element associated with this layer.

  This is the element that sits between the parent and child elements. It is normally necessary to operate on this element only when you need to modify CSS properties that are not directly modeled by the Layer class.

  Returns:
    the container element

### getUserObject

    public java.lang.Object getUserObject()

  Gets the user-data associated with this layer.

  Returns:
    the layer's user-data object

### setBottomHeight

    public void setBottomHeight(double bottom,
                                Style.Unit bottomUnit,
                                double height,
                                Style.Unit heightUnit)

  Sets the layer's bottom and height values.

  Parameters:
    `bottom` -
    `bottomUnit` -
    `height` -
    `heightUnit` -

### setChildHorizontalPosition

    public void setChildHorizontalPosition(Layout.Alignment position)

  Sets the child element's horizontal position within the layer.

  Parameters:
    `position` -

### setChildVerticalPosition

    public void setChildVerticalPosition(Layout.Alignment position)

  Sets the child element's vertical position within the layer.

  Parameters:
    `position` -

### setLeftRight

    public void setLeftRight(double left,
                             Style.Unit leftUnit,
                             double right,
                             Style.Unit rightUnit)

  Sets the layer's left and right values.

  Parameters:
    `left` -
    `leftUnit` -
    `right` -
    `rightUnit` -

### setLeftWidth

    public void setLeftWidth(double left,
                             Style.Unit leftUnit,
                             double width,
                             Style.Unit widthUnit)

  Sets the layer's left and width values.

  Parameters:
    `left` -
    `leftUnit` -
    `width` -
    `widthUnit` -

### setRightWidth

    public void setRightWidth(double right,
                              Style.Unit rightUnit,
                              double width,
                              Style.Unit widthUnit)

  Sets the layer's right and width values.

  Parameters:
    `right` -
    `rightUnit` -
    `width` -
    `widthUnit` -

### setTopBottom

    public void setTopBottom(double top,
                             Style.Unit topUnit,
                             double bottom,
                             Style.Unit bottomUnit)

  Sets the layer's top and bottom values.

  Parameters:
    `top` -
    `topUnit` -
    `bottom` -
    `bottomUnit` -

### setTopHeight

    public void setTopHeight(double top,
                             Style.Unit topUnit,
                             double height,
                             Style.Unit heightUnit)

  Sets the layer's top and height values.

  Parameters:
    `top` -
    `topUnit` -
    `height` -
    `heightUnit` -

### setVisible

    public void setVisible(boolean visible)

  Sets the layer's visibility.

  Parameters:
    `visible` -

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