org.netbeans.lib.awtextra
Class AbsoluteLayout

java.lang.Object
  extended by org.netbeans.lib.awtextra.AbsoluteLayout
All Implemented Interfaces:
java.awt.LayoutManager, java.awt.LayoutManager2, java.io.Serializable

public class AbsoluteLayout
extends java.lang.Object
implements java.awt.LayoutManager2, java.io.Serializable

AbsoluteLayout is a LayoutManager that works as a replacement for "null" layout to allow placement of components in absolute positions.

See Also:
AbsoluteConstraints, Serialized Form

Field Summary
protected  java.util.Hashtable constraints
          A mapping
 
Constructor Summary
AbsoluteLayout()
           
 
Method Summary
 void addLayoutComponent(java.awt.Component comp, java.lang.Object constr)
          Adds the specified component to the layout, using the specified constraint object.
 void addLayoutComponent(java.lang.String name, java.awt.Component comp)
          Adds the specified component with the specified name to the layout.
 float getLayoutAlignmentX(java.awt.Container target)
          Returns the alignment along the x axis.
 float getLayoutAlignmentY(java.awt.Container target)
          Returns the alignment along the y axis.
 void invalidateLayout(java.awt.Container target)
          Invalidates the layout, indicating that if the layout manager has cached information it should be discarded.
 void layoutContainer(java.awt.Container parent)
          Lays out the container in the specified panel.
 java.awt.Dimension maximumLayoutSize(java.awt.Container target)
          Returns the maximum size of this component.
 java.awt.Dimension minimumLayoutSize(java.awt.Container parent)
          Calculates the minimum dimension for the specified panel given the components in the specified parent container.
 java.awt.Dimension preferredLayoutSize(java.awt.Container parent)
          Calculates the preferred dimension for the specified panel given the components in the specified parent container.
 void removeLayoutComponent(java.awt.Component comp)
          Removes the specified component from the layout.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

constraints

protected java.util.Hashtable constraints
A mapping

Constructor Detail

AbsoluteLayout

public AbsoluteLayout()
Method Detail

addLayoutComponent

public void addLayoutComponent(java.lang.String name,
                               java.awt.Component comp)
Adds the specified component with the specified name to the layout.

Specified by:
addLayoutComponent in interface java.awt.LayoutManager
Parameters:
name - the component name
comp - the component to be added

removeLayoutComponent

public void removeLayoutComponent(java.awt.Component comp)
Removes the specified component from the layout.

Specified by:
removeLayoutComponent in interface java.awt.LayoutManager
Parameters:
comp - the component to be removed

preferredLayoutSize

public java.awt.Dimension preferredLayoutSize(java.awt.Container parent)
Calculates the preferred dimension for the specified panel given the components in the specified parent container.

Specified by:
preferredLayoutSize in interface java.awt.LayoutManager
Parameters:
parent - the component to be laid out
See Also:
minimumLayoutSize(java.awt.Container)

minimumLayoutSize

public java.awt.Dimension minimumLayoutSize(java.awt.Container parent)
Calculates the minimum dimension for the specified panel given the components in the specified parent container.

Specified by:
minimumLayoutSize in interface java.awt.LayoutManager
Parameters:
parent - the component to be laid out
See Also:
preferredLayoutSize(java.awt.Container)

layoutContainer

public void layoutContainer(java.awt.Container parent)
Lays out the container in the specified panel.

Specified by:
layoutContainer in interface java.awt.LayoutManager
Parameters:
parent - the component which needs to be laid out

addLayoutComponent

public void addLayoutComponent(java.awt.Component comp,
                               java.lang.Object constr)
Adds the specified component to the layout, using the specified constraint object.

Specified by:
addLayoutComponent in interface java.awt.LayoutManager2
Parameters:
comp - the component to be added
constr - where/how the component is added to the layout.

maximumLayoutSize

public java.awt.Dimension maximumLayoutSize(java.awt.Container target)
Returns the maximum size of this component.

Specified by:
maximumLayoutSize in interface java.awt.LayoutManager2
See Also:
Component.getMinimumSize(), Component.getPreferredSize(), LayoutManager

getLayoutAlignmentX

public float getLayoutAlignmentX(java.awt.Container target)
Returns the alignment along the x axis. This specifies how the component would like to be aligned relative to other components. The value should be a number between 0 and 1 where 0 represents alignment along the origin, 1 is aligned the furthest away from the origin, 0.5 is centered, etc.

Specified by:
getLayoutAlignmentX in interface java.awt.LayoutManager2

getLayoutAlignmentY

public float getLayoutAlignmentY(java.awt.Container target)
Returns the alignment along the y axis. This specifies how the component would like to be aligned relative to other components. The value should be a number between 0 and 1 where 0 represents alignment along the origin, 1 is aligned the furthest away from the origin, 0.5 is centered, etc.

Specified by:
getLayoutAlignmentY in interface java.awt.LayoutManager2

invalidateLayout

public void invalidateLayout(java.awt.Container target)
Invalidates the layout, indicating that if the layout manager has cached information it should be discarded.

Specified by:
invalidateLayout in interface java.awt.LayoutManager2