bibliothek.gui.dock.station.split
Class Node

java.lang.Object
  bibliothek.gui.dock.station.split.SplitNode
      bibliothek.gui.dock.station.split.VisibleSplitNode
          bibliothek.gui.dock.station.split.Node

public class Node
extends VisibleSplitNode

A Node represents an element in the tree of a SplitDockStation. Every node has two children. The areas of the children are separated by a "divider", whose position can be changed.

Author:

Benjamin Sigg

Field Summary

Fields inherited from class bibliothek.gui.dock.station.split.SplitNode

height, width, x, y

Constructor Summary

Node(SplitDockAccess access)
Constructs a new node.

Node(SplitDockAccess access, long id)
Constructs a new node.

Node(SplitDockAccess access, SplitNode left, SplitNode right)
Constructs a new node.

Node(SplitDockAccess access, SplitNode left, SplitNode right, long id)
Constructs a new node.

Node(SplitDockAccess access, SplitNode left, SplitNode right, SplitDockStation.Orientation orientation)
Constructs a new node.

Node(SplitDockAccess access, SplitNode left, SplitNode right, SplitDockStation.Orientation orientation, long id)
Constructs a new node.

Method Summary

void	evolve(SplitDockTree.Key key, boolean checkValidity, Map<Leaf,Dockable> linksToSet) Creates or replaces children according to the values found in key.
int	getChildLocation(SplitNode child) Gets the location of a child.
double	getDivider() Gets the location of the divider.
double	getDividerAt(int x, int y) Calculates the value which the divider must have on condition that the point x/y lies inside the divider bounds.
Rectangle	getDividerBounds(double divider, Rectangle bounds) Calculates the location and the size of the area which represents the divider.
Node	getDividerNode(int x, int y) Gets the Node whose divider area contains the point x/y.
Leaf	getLeaf(Dockable dockable) Gets the leaf which represents dockable.
SplitNode	getLeft() Gets the left child of this node.
Dimension	getMinimumSize() Gets the minimal size of this node.
SplitDockStation.Orientation	getOrientation() Gets the orientation of this node.
PutInfo	getPut(int x, int y, double factorW, double factorH, Dockable drop) Determines where to drop the Dockable drop if the mouse is at location x/y.
SplitNode	getRight() Gets the right child of this node.
SplitNode	getVisible() Gets the root of a subtree such that the root is visible and such that the is the uppermost visible node.
boolean	insert(SplitDockPathProperty property, int depth, Dockable dockable) If there are elements left in property, then the next node is to be read and the insert-method of the matching child to be called.
boolean	insert(SplitDockPlaceholderProperty property, Dockable dockable) Recursively searches for a node or leaf that uses the placeholder specified by property and inserts the dockable there.
boolean	isInOverrideZone(int x, int y, double factorW, double factorH) Tells whether the coordinates x/y lie inside the override-zone of the SplitDockStation or not.
boolean	isOfUse() Tells whether this node still has any use or can safely be removed from the tree
boolean	isVisible() Tells whether this node (or one of this children) contains element that are visible to the user.
void	setChild(SplitNode child, int location) Adds a child to this node at a given location.
void	setDivider(double divider) Sets the location of the divider.
void	setLeft(SplitNode left) Sets the left child of this node.
void	setOrientation(SplitDockStation.Orientation orientation) Changes the orientation of this node.
void	setRight(SplitNode right) Sets the right child of this node.
<N> N	submit(SplitTreeFactory<N> factory) Writes the contents of this node into a new tree create by factory.
void	toString(int tabs, StringBuilder out) Writes some contents of this node into out.
void	updateBounds(double x, double y, double width, double height, double factorW, double factorH, boolean components) Updates the bounds of this node.
void	visit(SplitNodeVisitor visitor) Invokes one of the methods of the visitor for every child in the subtree with this as root.

Methods inherited from class bibliothek.gui.dock.station.split.VisibleSplitNode

getCurrentBounds

Methods inherited from class bibliothek.gui.dock.station.split.SplitNode

above, addPlaceholder, create, create, createLeaf, createNode, createPlaceholder, delete, getAccess, getBounds, getHeight, getId, getParent, getPlaceholderMap, getPlaceholders, getRoot, getSize, getStation, getWidth, getX, getY, hasPlaceholder, hasPlaceholders, intersection, movePlaceholderMap, relativeSidePut, removePlaceholder, removePlaceholders, replace, setParent, setPlaceholderMap, setPlaceholders, toString, treeChanged

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Node

public Node(SplitDockAccess access,
            SplitNode left,
            SplitNode right,
            SplitDockStation.Orientation orientation)

Constructs a new node.

Parameters:

access - the access to the owner-station of this node.

left - the left child

right - the right child

orientation - how the children are aligned

Node

public Node(SplitDockAccess access,
            SplitNode left,
            SplitNode right,
            SplitDockStation.Orientation orientation,
            long id)

Constructs a new node.

Parameters:

access - the access to the owner-station of this node.

left - the left child

right - the right child

orientation - how the children are aligned

id - the unique id of this node, can be -1

Node

public Node(SplitDockAccess access,
            SplitNode left,
            SplitNode right)

Constructs a new node.

Parameters:

access - the access to the owner-station of this node

left - the left child

right - the right child

Node

public Node(SplitDockAccess access,
            SplitNode left,
            SplitNode right,
            long id)

Constructs a new node.

Parameters:

access - the access to the owner-station of this node

left - the left child

right - the right child

id - the unique id of this node

Node

public Node(SplitDockAccess access)

Constructs a new node.

Parameters:

access - the access to the owner-station of this node

Node

public Node(SplitDockAccess access,
            long id)

Constructs a new node.

Parameters:

access - the access to the owner-station of this node

id - the unique id of this node

Method Detail

setLeft

public void setLeft(SplitNode left)

Sets the left child of this node. The area of this child will be in the left or the upper half of the area of this node.
Note that setting the child to null does not delete the child from the system, only a call to SplitNode.delete(boolean) does that.

Parameters:

left - the left child or null

getLeft

public SplitNode getLeft()

Gets the left child of this node.

Returns:

the child

See Also:

setLeft(SplitNode)

setRight

public void setRight(SplitNode right)

Sets the right child of this node. The area of this child will be in the right or the bottom half of the area of this node.
Note that setting the child to null does not delete the child from the system, only a call to SplitNode.delete(boolean) does that.

Parameters:

right - the right child

getRight

public SplitNode getRight()

Gets the right child of this node.

Returns:

the child

See Also:

setRight(SplitNode)

getChildLocation

public int getChildLocation(SplitNode child)

Description copied from class: SplitNode

Gets the location of a child.

Specified by:

getChildLocation in class SplitNode

Parameters:

child - a child of this node

Returns:

the location of child or -1 if the child is unknown

setChild

public void setChild(SplitNode child,
                     int location)

Description copied from class: SplitNode

Adds a child to this node at a given location.

Specified by:

setChild in class SplitNode

Parameters:

child - the new child

location - the location of the child

getOrientation

public SplitDockStation.Orientation getOrientation()

Gets the orientation of this node. The orientation tells how to layout the children. If the orientation is SplitDockStation.Orientation.VERTICAL, one child will be at the top and the other at the bottom.

Returns:

the orientation

setOrientation

public void setOrientation(SplitDockStation.Orientation orientation)

Changes the orientation of this node.

Parameters:

orientation - the new orientation

getMinimumSize

public Dimension getMinimumSize()

Description copied from class: SplitNode

Gets the minimal size of this node.

Specified by:

getMinimumSize in class SplitNode

Returns:

the minimal size in pixel

setDivider

public void setDivider(double divider)

Sets the location of the divider. The area of the left child is the area of the whole node multiplied with divider.

Parameters:

divider - the divider

getDivider

public double getDivider()

Gets the location of the divider.

Returns:

the divider

See Also:

setDivider(double)

isVisible

public boolean isVisible()

Description copied from class: SplitNode

Tells whether this node (or one of this children) contains element that are visible to the user.

Specified by:

isVisible in class SplitNode

Returns:

true if this node or one of its children contains a graphical element

getVisible

public SplitNode getVisible()

Description copied from class: SplitNode

Gets the root of a subtree such that the root is visible and such that the is the uppermost visible node.

Specified by:

getVisible in class SplitNode

Returns:

the visible root, can be null, this or any child of this node

isOfUse

public boolean isOfUse()

Description copied from class: SplitNode

Tells whether this node still has any use or can safely be removed from the tree

Specified by:

isOfUse in class SplitNode

Returns:

true if this node has to remain in the tree, false otherwise

updateBounds

public void updateBounds(double x,
                         double y,
                         double width,
                         double height,
                         double factorW,
                         double factorH,
                         boolean components)

Description copied from class: SplitNode

Updates the bounds of this node. If the node represents a Component, then the bounds of the component have to be updated as well.

Overrides:

updateBounds in class VisibleSplitNode

Parameters:

x - the relative x-coordinate

y - the relative y-coordinate

width - the relative width of the node

height - the relative height of the node

factorW - a factor to be multiplied with x and width to get the size of the node in pixel

factorH - a factor to be multiplied with y and height to get the size of the node in pixel

components - whether to update the bounds of Components that are in the tree. If set to false, then all updates stay within the tree and the graphical user interface is not changed. That can be useful if more than one round of updates is necessary. If in doubt, set this parameter to true.

getDividerBounds

public Rectangle getDividerBounds(double divider,
                                  Rectangle bounds)

Calculates the location and the size of the area which represents the divider. The user can grab this area with the mouse and drag it around.

Parameters:

divider - The location of the divider, should be between 0 and 1.

bounds - A rectangle in which the result will be stored. It can be null

Returns:

Either bounds or a new Rectangle if bounds was null

getDividerAt

public double getDividerAt(int x,
                           int y)

Calculates the value which the divider must have on condition that the point x/y lies inside the divider bounds.

Parameters:

x - x-coordinate of the point in pixel

y - y-coordinate of the point in pixel

Returns:

The value that the divider should have. This value might not be valid if the coordinates of the point are too extreme.

getPut

public PutInfo getPut(int x,
                      int y,
                      double factorW,
                      double factorH,
                      Dockable drop)

Description copied from class: SplitNode

Determines where to drop the Dockable drop if the mouse is at location x/y.

Specified by:

getPut in class SplitNode

Parameters:

x - the x-coordinate of the mouse

y - the y-coordinate of the mouse

factorW - a factor to be multiplied with the relative x and width to get the size in pixel.

factorH - a factor to be multiplied with the relative y and height to get the size in pixel.

drop - the Dockable which will be dropped

Returns:

where to drop the dockable or null if the dockable can't be dropped

isInOverrideZone

public boolean isInOverrideZone(int x,
                                int y,
                                double factorW,
                                double factorH)

Description copied from class: SplitNode

Tells whether the coordinates x/y lie inside the override-zone of the SplitDockStation or not.

Specified by:

isInOverrideZone in class SplitNode

Parameters:

x - the x-coordinate of the mouse

y - the y-coordinate of the mouse

factorW - a factor to be multiplied with the relative x and width to get the size in pixel.

factorH - a factor to be multiplied with the relative y and height to get the size in pixel.

Returns:

true if the station should not allow child-stations to make a drop when the mouse is at x/y

evolve

public void evolve(SplitDockTree.Key key,
                   boolean checkValidity,
                   Map<Leaf,Dockable> linksToSet)

Description copied from class: SplitNode

Creates or replaces children according to the values found in key. Note that this method does not remove any Dockables from the station. They must be removed explicitly using Leaf.setDockable(Dockable, boolean)

Specified by:

evolve in class SplitNode

Parameters:

key - the key to read

checkValidity - whether to ensure that all new Dockables are acceptable or not.

linksToSet - a map that is to be filled with all new Leafs and their Dockables which are not yet set.

insert

public boolean insert(SplitDockPlaceholderProperty property,
                      Dockable dockable)

Description copied from class: SplitNode

Recursively searches for a node or leaf that uses the placeholder specified by property and inserts the dockable there. Also removes the placeholder from this node.

Specified by:

insert in class SplitNode

Parameters:

property - the placeholder to search

dockable - the new element

Returns:

true if the element was inserted, false otherwise

insert

public boolean insert(SplitDockPathProperty property,
                      int depth,
                      Dockable dockable)

Description copied from class: SplitNode

If there are elements left in property, then the next node is to be read and the insert-method of the matching child to be called.
If there are no children, then dockable has to be inserted as new child.
Otherwise this element is to be replaced by a node containing this and the a leaf with dockable.
Subclasses may wary this scheme in order to optimize or to find a better place for the dockable.

Specified by:

insert in class SplitNode

Parameters:

property - a list of nodes

depth - the index of the node that corresponds to this

dockable - the element to insert

Returns:

true if the element was inserted, false otherwise

submit

public <N> N submit(SplitTreeFactory<N> factory)

Description copied from class: SplitNode

Writes the contents of this node into a new tree create by factory.

Specified by:

submit in class SplitNode

Type Parameters:

N - the type of element the factory will create

Parameters:

factory - the factory transforming the elements of the tree into a new form.

Returns:

the representation of this node

getLeaf

public Leaf getLeaf(Dockable dockable)

Description copied from class: SplitNode

Gets the leaf which represents dockable.

Specified by:

getLeaf in class SplitNode

Parameters:

dockable - the Dockable whose leaf is searched

Returns:

the leaf or null if no leaf was found

getDividerNode

public Node getDividerNode(int x,
                           int y)

Description copied from class: SplitNode

Gets the Node whose divider area contains the point x/y. Only searches in the subtree with this node as root.

Specified by:

getDividerNode in class SplitNode

Parameters:

x - the x-coordinate

y - the y-coordinate

Returns:

the Node containing the point, if no Node was found, null is returned

visit

public void visit(SplitNodeVisitor visitor)

Description copied from class: SplitNode

Invokes one of the methods of the visitor for every child in the subtree with this as root.

Specified by:

visit in class SplitNode

Parameters:

visitor - the visitor

toString

public void toString(int tabs,
                     StringBuilder out)

Description copied from class: SplitNode

Writes some contents of this node into out.

Specified by:

toString in class SplitNode

Parameters:

tabs - the number of tabs that should be added before the text if a new line is necessary.

out - the container to write into