Module java.desktop
Package javax.swing.plaf.basic
Class BasicSplitPaneUI.BasicHorizontalLayoutManager
- java.lang.Object
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- javax.swing.plaf.basic.BasicSplitPaneUI.BasicHorizontalLayoutManager
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- All Implemented Interfaces:
LayoutManager,LayoutManager2
- Direct Known Subclasses:
BasicSplitPaneUI.BasicVerticalLayoutManager
- Enclosing class:
- BasicSplitPaneUI
public class BasicSplitPaneUI.BasicHorizontalLayoutManager extends Object implements LayoutManager2
LayoutManager for JSplitPanes that have an orientation of HORIZONTAL_SPLIT.
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Field Summary
Fields Modifier and Type Field Description protected Component[]componentsThe components.protected int[]sizesThe size of components.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description voidaddLayoutComponent(Component comp, Object constraints)Adds the specified component to the layout, using the specified constraint object.voidaddLayoutComponent(String place, Component component)Adds the component at place.protected intgetAvailableSize(Dimension containerSize, Insets insets)Returns the available width based on the container size andInsets.protected intgetInitialLocation(Insets insets)Returns the left inset, unless theInsetsare null in which case 0 is returned.floatgetLayoutAlignmentX(Container target)Returns the alignment along the x axis.floatgetLayoutAlignmentY(Container target)Returns the alignment along the y axis.protected intgetPreferredSizeOfComponent(Component c)Returns the width of the passed in Components preferred size.protected intgetSizeOfComponent(Component c)Returns the width of the passed in component.protected int[]getSizes()Returns the sizes of the components.voidinvalidateLayout(Container c)Does nothing.voidlayoutContainer(Container container)Does the actual layout.DimensionmaximumLayoutSize(Container target)Returns the maximum layout size, which is Integer.MAX_VALUE in both directions.DimensionminimumLayoutSize(Container container)Returns the minimum size needed to contain the children.DimensionpreferredLayoutSize(Container container)Returns the preferred size needed to contain the children.voidremoveLayoutComponent(Component component)Removes the specified component from our knowledge.protected voidresetSizeAt(int index)Resets the size of the Component at the passed in location.voidresetToPreferredSizes()Marks the receiver so that the next time this instance is laid out it'll ask for the preferred sizes.protected voidsetComponentToSize(Component c, int size, int location, Insets insets, Dimension containerSize)Sets the width of the componentcto besize, placing its x location atlocation, y to theinsets.topand height to thecontainerSize.heightless the top and bottom insets.protected voidsetSizes(int[] newSizes)Sets the sizes tonewSizes.protected voidupdateComponents()Determines the components.
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Field Detail
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sizes
protected int[] sizes
The size of components.
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components
protected Component[] components
The components.
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Method Detail
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layoutContainer
public void layoutContainer(Container container)
Does the actual layout.- Specified by:
layoutContainerin interfaceLayoutManager- Parameters:
container- the container to be laid out
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addLayoutComponent
public void addLayoutComponent(String place, Component component)
Adds the component at place. Place must be one of JSplitPane.LEFT, RIGHT, TOP, BOTTOM, or null (for the divider).- Specified by:
addLayoutComponentin interfaceLayoutManager- Parameters:
place- the string to be associated with the componentcomponent- the component to be added
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minimumLayoutSize
public Dimension minimumLayoutSize(Container container)
Returns the minimum size needed to contain the children. The width is the sum of all the children's min widths and the height is the largest of the children's minimum heights.- Specified by:
minimumLayoutSizein interfaceLayoutManager- Parameters:
container- the component to be laid out- Returns:
- the minimum dimension for the container
- See Also:
LayoutManager.preferredLayoutSize(java.awt.Container)
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preferredLayoutSize
public Dimension preferredLayoutSize(Container container)
Returns the preferred size needed to contain the children. The width is the sum of all the preferred widths of the children and the height is the largest preferred height of the children.- Specified by:
preferredLayoutSizein interfaceLayoutManager- Parameters:
container- the container to be laid out- Returns:
- the preferred dimension for the container
- See Also:
LayoutManager.minimumLayoutSize(java.awt.Container)
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removeLayoutComponent
public void removeLayoutComponent(Component component)
Removes the specified component from our knowledge.- Specified by:
removeLayoutComponentin interfaceLayoutManager- Parameters:
component- the component to be removed
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addLayoutComponent
public void addLayoutComponent(Component comp, Object constraints)
Adds the specified component to the layout, using the specified constraint object.- Specified by:
addLayoutComponentin interfaceLayoutManager2- Parameters:
comp- the component to be addedconstraints- where/how the component is added to the layout.
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getLayoutAlignmentX
public float getLayoutAlignmentX(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:
getLayoutAlignmentXin interfaceLayoutManager2- Parameters:
target- the target container- Returns:
- the x-axis alignment preference
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getLayoutAlignmentY
public float getLayoutAlignmentY(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:
getLayoutAlignmentYin interfaceLayoutManager2- Parameters:
target- the target container- Returns:
- the y-axis alignment preference
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invalidateLayout
public void invalidateLayout(Container c)
Does nothing. If the developer really wants to change the size of one of the views JSplitPane.resetToPreferredSizes should be messaged.- Specified by:
invalidateLayoutin interfaceLayoutManager2- Parameters:
c- the target container
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maximumLayoutSize
public Dimension maximumLayoutSize(Container target)
Returns the maximum layout size, which is Integer.MAX_VALUE in both directions.- Specified by:
maximumLayoutSizein interfaceLayoutManager2- Parameters:
target- the target container- Returns:
- the maximum size of the container
- See Also:
Component.getMaximumSize(),LayoutManager
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resetToPreferredSizes
public void resetToPreferredSizes()
Marks the receiver so that the next time this instance is laid out it'll ask for the preferred sizes.
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resetSizeAt
protected void resetSizeAt(int index)
Resets the size of the Component at the passed in location.- Parameters:
index- the index of a component
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setSizes
protected void setSizes(int[] newSizes)
Sets the sizes tonewSizes.- Parameters:
newSizes- the new sizes
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getSizes
protected int[] getSizes()
Returns the sizes of the components.- Returns:
- the sizes of the components
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getPreferredSizeOfComponent
protected int getPreferredSizeOfComponent(Component c)
Returns the width of the passed in Components preferred size.- Parameters:
c- a component- Returns:
- the preferred width of the component
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getSizeOfComponent
protected int getSizeOfComponent(Component c)
Returns the width of the passed in component.- Parameters:
c- a component- Returns:
- the width of the component
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getAvailableSize
protected int getAvailableSize(Dimension containerSize, Insets insets)
Returns the available width based on the container size andInsets.- Parameters:
containerSize- a container sizeinsets- an insets- Returns:
- the available width
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getInitialLocation
protected int getInitialLocation(Insets insets)
Returns the left inset, unless theInsetsare null in which case 0 is returned.- Parameters:
insets- the insets- Returns:
- the left inset
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setComponentToSize
protected void setComponentToSize(Component c, int size, int location, Insets insets, Dimension containerSize)
Sets the width of the componentcto besize, placing its x location atlocation, y to theinsets.topand height to thecontainerSize.heightless the top and bottom insets.- Parameters:
c- a componentsize- a new widthlocation- a new X coordinateinsets- an insetscontainerSize- a container size
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updateComponents
protected void updateComponents()
Determines the components. This should be called whenever a new instance of this is installed into an existing SplitPane.
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