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java.lang.Objectorg.bounce.PercentageLayout
public class PercentageLayout
A Layout manager that can be used to layout components horizontally or
vertically. Every component will be resized relative to the value
supplied as a constraint. All the Integer values will be added together
and will be seen as 100% so if the next two components are added:
add( component1, new Integer( 150));
add( component2, new Integer( 50));
In this case 'component1' will occupy 75% of the panel and 'component2'
will occupy 25% of the panel.
Field Summary | |
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static int |
HORIZONTAL
Sets the layout orientation to horizontal. |
static int |
VERTICAL
Sets the layout orientation to vertical. |
Constructor Summary | |
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PercentageLayout()
Constructs a default PercentageLayout without a gap and with a horizontal orientation. |
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PercentageLayout(int orientation)
Constructs a PercentageLayout with the orientation supplied and with no gap between the components. |
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PercentageLayout(int orientation,
int gap)
Constructs a PercentageLayout with the gap and orientation supplied. |
Method Summary | |
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void |
addLayoutComponent(Component component,
Object constraints)
Adds the specified component to the layout, using the specified constraint object. |
void |
addLayoutComponent(String name,
Component comp)
Not used, components cannot be added without a constraint. |
int |
getGap()
Returns the gap between the components. |
float |
getLayoutAlignmentX(Container target)
Returns the alignment along the x axis. |
float |
getLayoutAlignmentY(Container target)
Returns the alignment along the y axis. |
int |
getOrientation()
Returns the orientation of the layout manager. |
void |
invalidateLayout(Container target)
Invalidates the layout, indicating that if the layout manager has cached information it should be discarded. |
void |
layoutContainer(Container parent)
Lays out the components on the specified container. |
Dimension |
maximumLayoutSize(Container target)
Returns the maximum size of this component. |
Dimension |
minimumLayoutSize(Container parent)
Calculates the minimum size dimensions for the specified panel given the components in the specified parent container. |
Dimension |
preferredLayoutSize(Container parent)
Calculates the preferred size dimensions for the specified container given the components in the specified parent container. |
void |
removeLayoutComponent(Component component)
Removes the specified component and constraints from the layout. |
void |
setConstraints(Component component,
Object constraint)
Adds the specified component to the layout, using the specified constraint object. |
void |
setGap(int gap)
Sets the gap between the components. |
void |
setOrientation(int orientation)
Sets the orientation of the layout manager. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final int HORIZONTAL
public static final int VERTICAL
Constructor Detail |
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public PercentageLayout()
public PercentageLayout(int orientation)
orientation
- the orientation of the components.public PercentageLayout(int orientation, int gap)
orientation
- the orientation of the components.gap
- the space between the components.Method Detail |
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public int getGap()
public void setGap(int gap)
gap
- the gap.public int getOrientation()
public void setOrientation(int orientation)
orientation
- the orientation.public void setConstraints(Component component, Object constraint)
component
- the component added to the parent container.constraint
- the constraint for the added component.public void removeLayoutComponent(Component component)
removeLayoutComponent
in interface LayoutManager
component
- the component to be removedpublic Dimension preferredLayoutSize(Container parent)
preferredLayoutSize
in interface LayoutManager
parent
- the component to be laid out.
public Dimension minimumLayoutSize(Container parent)
minimumLayoutSize
in interface LayoutManager
parent
- the component to be laid out
public void layoutContainer(Container parent)
layoutContainer
in interface LayoutManager
parent
- the component which needs to be laid outpublic void addLayoutComponent(Component component, Object constraints)
addLayoutComponent
in interface LayoutManager2
component
- the component to be addedconstraints
- where/how the component is added to the layout.public Dimension maximumLayoutSize(Container target)
maximumLayoutSize
in interface LayoutManager2
target
- the component to be laid out
Component.getMinimumSize()
,
Component.getPreferredSize()
public float getLayoutAlignmentX(Container target)
getLayoutAlignmentX
in interface LayoutManager2
target
- the container to calculate X alignment for.
public float getLayoutAlignmentY(Container target)
getLayoutAlignmentY
in interface LayoutManager2
target
- the container to calculate Y alignment for.
public void invalidateLayout(Container target)
invalidateLayout
in interface LayoutManager2
target
- the container.public void addLayoutComponent(String name, Component comp)
addLayoutComponent
in interface LayoutManager
name
- the component name.comp
- the component.
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