- 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 and Description protected Component[]
components
protected int[]
sizes
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Method Summary
Methods Modifier and Type Method and Description void
addLayoutComponent(Component comp, Object constraints)
Adds the specified component to the layout, using the specified constraint object.void
addLayoutComponent(String place, Component component)
Adds the component at place.protected int
getAvailableSize(Dimension containerSize, Insets insets)
Returns the available width based on the container size and Insets.protected int
getInitialLocation(Insets insets)
Returns the left inset, unless the Insets are null in which case 0 is returned.float
getLayoutAlignmentX(Container target)
Returns the alignment along the x axis.float
getLayoutAlignmentY(Container target)
Returns the alignment along the y axis.protected int
getPreferredSizeOfComponent(Component c)
Returns the width of the passed in Components preferred size.protected int
getSizeOfComponent(Component c)
Returns the width of the passed in component.protected int[]
getSizes()
Returns the sizes of the components.void
invalidateLayout(Container c)
Does nothing.void
layoutContainer(Container container)
Does the actual layout.Dimension
maximumLayoutSize(Container target)
Returns the maximum layout size, which is Integer.MAX_VALUE in both directions.Dimension
minimumLayoutSize(Container container)
Returns the minimum size needed to contain the children.Dimension
preferredLayoutSize(Container container)
Returns the preferred size needed to contain the children.void
removeLayoutComponent(Component component)
Removes the specified component from our knowledge.protected void
resetSizeAt(int index)
Resets the size of the Component at the passed in location.void
resetToPreferredSizes()
Marks the receiver so that the next time this instance is laid out it'll ask for the preferred sizes.protected void
setComponentToSize(Component c, int size, int location, Insets insets, Dimension containerSize)
Sets the width of the component c to be size, placing its x location at location, y to the insets.top and height to the containersize.height less the top and bottom insets.protected void
setSizes(int[] newSizes)
Sets the sizes tonewSizes
.protected void
updateComponents()
Determines the components.
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Field Detail
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sizes
protected int[] sizes
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components
protected Component[] components
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Method Detail
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layoutContainer
public void layoutContainer(Container container)
Does the actual layout.- Specified by:
layoutContainer
in 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:
addLayoutComponent
in 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 childrens min widths and the height is the largest of the childrens minimum heights.- Specified by:
minimumLayoutSize
in interfaceLayoutManager
- Parameters:
container
- the component to be laid out- 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 childrens preferred widths and the height is the largest of the childrens preferred heights.- Specified by:
preferredLayoutSize
in interfaceLayoutManager
- Parameters:
container
- the container to be laid out- 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:
removeLayoutComponent
in 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:
addLayoutComponent
in 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:
getLayoutAlignmentX
in interfaceLayoutManager2
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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:
getLayoutAlignmentY
in interfaceLayoutManager2
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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:
invalidateLayout
in interfaceLayoutManager2
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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:
maximumLayoutSize
in interfaceLayoutManager2
- 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.
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setSizes
protected void setSizes(int[] newSizes)
Sets the sizes tonewSizes
.
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getSizes
protected int[] getSizes()
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.
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getSizeOfComponent
protected int getSizeOfComponent(Component c)
Returns the width of the passed in component.
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getAvailableSize
protected int getAvailableSize(Dimension containerSize, Insets insets)
Returns the available width based on the container size and Insets.
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getInitialLocation
protected int getInitialLocation(Insets insets)
Returns the left inset, unless the Insets are null in which case 0 is returned.
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setComponentToSize
protected void setComponentToSize(Component c, int size, int location, Insets insets, Dimension containerSize)
Sets the width of the component c to be size, placing its x location at location, y to the insets.top and height to the containersize.height less the top and bottom insets.
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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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