bibliothek.extension.gui.dock.preference
Class PreferenceTreeModel

java.lang.Object
  bibliothek.extension.gui.dock.preference.AbstractPreferenceModel
      bibliothek.extension.gui.dock.preference.PreferenceTreeModel

All Implemented Interfaces:

PreferenceModel, TreeModel

Direct Known Subclasses:

CPreferenceModel, DockingFramesPreference

public class PreferenceTreeModel
extends AbstractPreferenceModel
implements TreeModel

A PreferenceModel that is also a TreeModel. It contains other PreferenceModels and organizes them in a tree. The nodes of this TreeModel are of the type PreferenceTreeModel.Node. The root of this model never has a name nor a model.

Author:

Benjamin Sigg

Nested Class Summary

static interface

PreferenceTreeModel.Node A single node of a PreferenceTreeModel.

Constructor Summary

PreferenceTreeModel(DockController controller)
Creates a new empty model.

PreferenceTreeModel(PathCombiner combiner, DockController controller)
Creates a new empty model.

Method Summary

void	addPreferenceModelListener(PreferenceModelListener listener) Adds a listener to this model.
void	addTreeModelListener(TreeModelListener l)
void	delete(Path path) Deletes the node at path and all its children from the tree.
void	doOperation(int index, PreferenceOperation operation) Executes the enabled operation operation.
PreferenceTreeModel.Node	getChild(Object parent, int index)
int	getChildCount(Object parent)
String	getDescription(int index) Gets a description of the index'th object.
int	getIndexOfChild(Object parent, Object child)
String	getLabel(int index) Gets a short label that can be presented to the user for the index'th object.
PreferenceModel	getModel(Path path) Gets the model which was stored using path as key.
PreferenceOperation[]	getOperations(int index) Gets all operations for which this model has a definition for the preference at location index.
Path	getPath(int index) Gets the unique identifier of the index'th preference of this model.
PreferenceTreeModel.Node	getRoot()
int	getSize() Gets the number of preferences stored in this model.
protected TreeModelListener[]	getTreeModelListeners() Gets all the listeners currently known to this model.
Path	getTypePath(int index) Tells what kind of type the index'th value is.
Object	getValue(int index) Gets the index'th preference.
Object	getValueInfo(int index) Gets information about how the index'th value can be modified.
protected boolean	hasListeners() Tells whether this model has listeners attached or not.
boolean	isEnabled(int index, PreferenceOperation operation) Tells whether the operation operation is enabled for the preference at location index.
boolean	isLeaf(Object node)
boolean	isNatural(int index) Tells whether the index'th preference is natural or artificial.
void	put(Path path, String name, PreferenceModel model) Sets name and model of a given node.
void	putLinked(Path path, String nameId) Sets the name of the node at path.
void	putLinked(Path path, String nameId, PreferenceModel model) Sets name and model of a given node.
void	putModel(Path path, PreferenceModel model) Sets the model of the node at path.
void	putNode(Path path, String name) Sets the name of the node at path.
void	read() Uses an unknown source to update this model and load all the preferences that are currently available.
void	removePreferenceModelListener(PreferenceModelListener listener) Removes a listener from this model.
void	removeTreeModelListener(TreeModelListener l)
void	setValue(int index, Object value) Sets the value of the index'th preference.
void	setValueNatural(int index) Like PreferenceModel.setValue(int, Object) this method changes the value of the index'th preference.
void	valueForPathChanged(TreePath path, Object newValue)
void	write() Writes the current preferences to the location where they are used.

Methods inherited from class bibliothek.extension.gui.dock.preference.AbstractPreferenceModel

firePreferenceAdded, firePreferenceChanged, firePreferenceRemoved, getController, listeners

Methods inherited from class java.lang.Object

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

Constructor Detail

PreferenceTreeModel

public PreferenceTreeModel(DockController controller)

Creates a new empty model.

Parameters:

controller - the controller in whose realm this model is used

PreferenceTreeModel

public PreferenceTreeModel(PathCombiner combiner,
                           DockController controller)

Creates a new empty model.

Parameters:

combiner - tells how to combine the Path of a model with the preferences of a model. Used in getPath(int). Not null.

controller - the controller in whose realm this model is used

See Also:

MergedPreferenceModel.MergedPreferenceModel(PathCombiner, DockController)

Method Detail

hasListeners

protected boolean hasListeners()

Description copied from class: AbstractPreferenceModel

Tells whether this model has listeners attached or not.

Overrides:

hasListeners in class AbstractPreferenceModel

Returns:

true if there are listeners

addTreeModelListener

public void addTreeModelListener(TreeModelListener l)

Specified by:

addTreeModelListener in interface TreeModel

addPreferenceModelListener

public void addPreferenceModelListener(PreferenceModelListener listener)

Description copied from interface: PreferenceModel

Adds a listener to this model.

Specified by:

addPreferenceModelListener in interface PreferenceModel

Overrides:

addPreferenceModelListener in class AbstractPreferenceModel

Parameters:

listener - the new listener

removeTreeModelListener

public void removeTreeModelListener(TreeModelListener l)

Specified by:

removeTreeModelListener in interface TreeModel

removePreferenceModelListener

public void removePreferenceModelListener(PreferenceModelListener listener)

Description copied from interface: PreferenceModel

Removes a listener from this model.

Specified by:

removePreferenceModelListener in interface PreferenceModel

Overrides:

removePreferenceModelListener in class AbstractPreferenceModel

Parameters:

listener - the listener to remove.

getTreeModelListeners

protected TreeModelListener[] getTreeModelListeners()

Gets all the listeners currently known to this model.

Returns:

the list of listeners

getChild

public PreferenceTreeModel.Node getChild(Object parent,
                                         int index)

Specified by:

getChild in interface TreeModel

getChildCount

public int getChildCount(Object parent)

Specified by:

getChildCount in interface TreeModel

getIndexOfChild

public int getIndexOfChild(Object parent,
                           Object child)

Specified by:

getIndexOfChild in interface TreeModel

getRoot

public PreferenceTreeModel.Node getRoot()

Specified by:

getRoot in interface TreeModel

isLeaf

public boolean isLeaf(Object node)

Specified by:

isLeaf in interface TreeModel

valueForPathChanged

public void valueForPathChanged(TreePath path,
                                Object newValue)

Specified by:

valueForPathChanged in interface TreeModel

getDescription

public String getDescription(int index)

Description copied from interface: PreferenceModel

Gets a description of the index'th object. The description is a longer text that will be presented to the user.

Specified by:

getDescription in interface PreferenceModel

Overrides:

getDescription in class AbstractPreferenceModel

Parameters:

index - the number of the preference

Returns:

the description, might be null, might be formated in HTML

isNatural

public boolean isNatural(int index)

Description copied from interface: PreferenceModel

Tells whether the index'th preference is natural or artificial.

• A natural preference is just available, it does not need to be stored anywhere and will maintain its value even if the application is restarted. Natural preferences may be views of other models which already have persistent storage or represent values that are calculated from other values.
• An artificial preference needs to be stored. It represents some setting that is not available in the wild. It cannot maintain its state during application restarts.

Specified by:

isNatural in interface PreferenceModel

Overrides:

isNatural in class AbstractPreferenceModel

Parameters:

index - the index of the preference

Returns:

true if the preference is natural, false if it is artificial

setValueNatural

public void setValueNatural(int index)

Description copied from interface: PreferenceModel

Like PreferenceModel.setValue(int, Object) this method changes the value of the index'th preference. But this time the natural preference has to extract the value from its underlying property.

Specified by:

setValueNatural in interface PreferenceModel

Overrides:

setValueNatural in class AbstractPreferenceModel

Parameters:

index - the index of the preference to update

getOperations

public PreferenceOperation[] getOperations(int index)

Description copied from interface: PreferenceModel

Gets all operations for which this model has a definition for the preference at location index. Note: a PreferenceEditor has operations as well, if the editor and the model share an operation, then the operation is considered to belong to the editor.

Specified by:

getOperations in interface PreferenceModel

Overrides:

getOperations in class AbstractPreferenceModel

Parameters:

index - the location of a preference

Returns:

the list of available operations (enabled and disabled operations), can be null

isEnabled

public boolean isEnabled(int index,
                         PreferenceOperation operation)

Description copied from interface: PreferenceModel

Tells whether the operation operation is enabled for the preference at location index.

Specified by:

isEnabled in interface PreferenceModel

Overrides:

isEnabled in class AbstractPreferenceModel

Parameters:

index - some location

operation - an operation from PreferenceModel.getOperations(int)

Returns:

true if the operation is enabled, false if not

doOperation

public void doOperation(int index,
                        PreferenceOperation operation)

Description copied from interface: PreferenceModel

Executes the enabled operation operation.

Specified by:

doOperation in interface PreferenceModel

Overrides:

doOperation in class AbstractPreferenceModel

Parameters:

index - the location of the affected preference

operation - the operation to execute

read

public void read()

Description copied from interface: PreferenceModel

Uses an unknown source to update this model and load all the preferences that are currently available. If the underlying resource cannot be read, or returns invalid data, then this model should not change its content.

Specified by:

read in interface PreferenceModel

Overrides:

read in class AbstractPreferenceModel

write

public void write()

Description copied from interface: PreferenceModel

Writes the current preferences to the location where they are used.

Specified by:

write in interface PreferenceModel

Overrides:

write in class AbstractPreferenceModel

getLabel

public String getLabel(int index)

Description copied from interface: PreferenceModel

Gets a short label that can be presented to the user for the index'th object.

Specified by:

getLabel in interface PreferenceModel

Parameters:

index - the number the preference

Returns:

a short human readable description

getPath

public Path getPath(int index)

Description copied from interface: PreferenceModel

Gets the unique identifier of the index'th preference of this model.

Specified by:

getPath in interface PreferenceModel

Parameters:

index - the index of the preference

Returns:

the unique path, compared to the other paths of this model

getSize

public int getSize()

Description copied from interface: PreferenceModel

Gets the number of preferences stored in this model.

Specified by:

getSize in interface PreferenceModel

Returns:

the number of preferences

getTypePath

public Path getTypePath(int index)

Description copied from interface: PreferenceModel

Tells what kind of type the index'th value is. The type is represented as a path. Most times the path would equal the name of some class. Note: there is a set of standard paths defined in Path.

Specified by:

getTypePath in interface PreferenceModel

Parameters:

index - the number of the value

Returns:

a unique path for the type of this value

getValueInfo

public Object getValueInfo(int index)

Description copied from interface: PreferenceModel

Gets information about how the index'th value can be modified. For an integer that might be its upper and lower boundaries. The type of this objects depends on PreferenceModel.getTypePath(int).

Specified by:

getValueInfo in interface PreferenceModel

Parameters:

index - the index of the info

Returns:

the information or null if no information is available

getValue

public Object getValue(int index)

Description copied from interface: PreferenceModel

Gets the index'th preference. The type path determines how the value is to be presented on the screen.

Specified by:

getValue in interface PreferenceModel

Parameters:

index - the number of the preference

Returns:

the value or maybe null, has to be immutable

setValue

public void setValue(int index,
                     Object value)

Description copied from interface: PreferenceModel

Sets the value of the index'th preference.

Specified by:

setValue in interface PreferenceModel

Parameters:

index - the number of the preference

value - the new value, may be null

putNode

public void putNode(Path path,
                    String name)

Sets the name of the node at path. If there is no such node, then the node and all its parents are created. Otherwise just the name gets exchanged.

Parameters:

path - the path to the node

name - the new name of the node

putLinked

public void putLinked(Path path,
                      String nameId)

Sets the name of the node at path. If there is no such node, then the node and all its parents are created. Otherwise just the name gets exchanged.

Parameters:

path - the path to the node

nameId - the new name, an identifier used for the TextManager

putModel

public void putModel(Path path,
                     PreferenceModel model)

Sets the model of the node at path. If there is no such node, then the node and all its parents are created. Otherwise just the model gets exchanged.

Parameters:

path - the path to change

model - the new model

put

public void put(Path path,
                String name,
                PreferenceModel model)

Sets name and model of a given node.

Parameters:

path - the path to the node

name - the new name

model - the new model, can be null

See Also:

putLinked(Path, String, PreferenceModel), putNode(Path, String), putModel(Path, PreferenceModel)

putLinked

public void putLinked(Path path,
                      String nameId,
                      PreferenceModel model)

Sets name and model of a given node.

Parameters:

path - the path to the node

nameId - the new name, an identifier used for a TextManager.

model - the new model, can be null

getModel

public PreferenceModel getModel(Path path)

Gets the model which was stored using path as key.

Parameters:

path - the key of some model

Returns:

the model or null

delete

public void delete(Path path)

Deletes the node at path and all its children from the tree. This also removes any PreferenceModel of the subtree. If there is no node at path, then nothing happens

Parameters:

path - the path to remove