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Chapter 19 java.awt Reference |
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LayoutManager
Name
LayoutManager
![[Graphic: Figure from the text]](./figs/layoutm.gif)
Description
LayoutManager is an interface that defines the responsibilities of an object that wants to lay out Components to the display in a Container.
Interface Definition
public abstract interface java.awt.LayoutManager {
// Interface Methods
public abstract void addLayoutComponent (String name,
Component component);
public abstract void layoutContainer (Container target);
public abstract Dimension minimumLayoutSize (Container target);
public abstract Dimension preferredLayoutSize (Container target);
public abstract void removeLayoutComponent (Component component);
}
Interface Methods
addLayoutComponent
public abstract void addLayoutComponent (String name, Component component)
- Parameters
-
- name
-
Name of component to add.
- component
-
Actual component being added.
- name
- Description
-
Called when you call Container.add(String, Component) to add an object to a container.
layoutContainer
public abstract void layoutContainer (Container target)
- Parameters
-
- target
-
The container who needs to be redrawn.
- target
- Description
-
Called when target needs to be redrawn.
minimumLayoutSize
public abstract Dimension minimumLayoutSize (Container target)
- Parameters
-
- target
-
The container whose size needs to be calculated.
- target
- Returns
-
Minimum Dimension of the container target
- Description
-
Called when the minimum size of the target container needs to be calculated.
preferredLayoutSize
public abstract Dimension preferredLayoutSize (Container target)
- Parameters
-
- target
-
The container whose size needs to be calculated.
- target
- Returns
-
Preferred Dimension of the container target
- Description
-
Called when the preferred size of the target container needs to be calculated.
removeLayoutComponent
public abstract void removeLayoutComponent (Component component)
- Parameters
-
- component
-
Component to no longer track.
- component
- Description
-
Called when you call Container.remove(Component) to remove a component from the layout.
See Also
Component, Container, FlowLayout, GridLayout, Object, String
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