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javax.swing.text
Class EditorKit

java.lang.Object
  javax.swing.text.EditorKit

All Implemented Interfaces:

Serializable, Cloneable

Direct Known Subclasses:

DefaultEditorKit

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public abstract class EditorKit
extends Object
implements Cloneable, Serializable

Establishes the set of things needed by a text component to be a reasonably functioning editor for some type of text content. The EditorKit acts as a factory for some kind of policy. For example, an implementation of html and rtf can be provided that is replaceable with other implementations.

A kit can safely store editing state as an instance of the kit will be dedicated to a text component. New kits will normally be created by cloning a prototype kit. The kit will have it's setComponent method called to establish it's relationship with a JTextComponent.

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Constructor Summary
EditorKit()           Construct an EditorKit.

 

Method Summary
Object	clone()           Creates a copy of the editor kit.
abstract  Caret	createCaret()           Fetches a caret that can navigate through views produced by the associated ViewFactory.
abstract  Document	createDefaultDocument()           Creates an uninitialized text storage model that is appropriate for this type of editor.
void	deinstall(JEditorPane c)           Called when the kit is being removed from the JEditorPane.
abstract  Action[]	getActions()           Fetches the set of commands that can be used on a text component that is using a model and view produced by this kit.
abstract  String	getContentType()           Gets the MIME type of the data that this kit represents support for.
abstract  ViewFactory	getViewFactory()           Fetches a factory that is suitable for producing views of any models that are produced by this kit.
void	install(JEditorPane c)           Called when the kit is being installed into the a JEditorPane.
abstract  void	read(InputStream in, Document doc, int pos)           Inserts content from the given stream which is expected to be in a format appropriate for this kind of content handler.
abstract  void	read(Reader in, Document doc, int pos)           Inserts content from the given stream which is expected to be in a format appropriate for this kind of content handler.
abstract  void	write(OutputStream out, Document doc, int pos, int len)           Writes content from a document to the given stream in a format appropriate for this kind of content handler.
abstract  void	write(Writer out, Document doc, int pos, int len)           Writes content from a document to the given stream in a format appropriate for this kind of content handler.

 

Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Constructor Detail

EditorKit

public EditorKit()

Construct an EditorKit.

Method Detail

clone

public Object clone()

Creates a copy of the editor kit. This is implemented to use Object.clone. If the kit cannot be cloned, null is returned.

Overrides:

clone in class Object

Returns:

the copy

See Also:

Cloneable

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install

public void install(JEditorPane c)

Called when the kit is being installed into the a JEditorPane.

Parameters:

c - the JEditorPane

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deinstall

public void deinstall(JEditorPane c)

Called when the kit is being removed from the JEditorPane. This is used to unregister any listeners that were attached.

Parameters:

c - the JEditorPane

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getContentType

public abstract String getContentType()

Gets the MIME type of the data that this kit represents support for.

Returns:

the type

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getViewFactory

public abstract ViewFactory getViewFactory()

Fetches a factory that is suitable for producing views of any models that are produced by this kit.

Returns:

the factory

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getActions

public abstract Action[] getActions()

Fetches the set of commands that can be used on a text component that is using a model and view produced by this kit.

Returns:

the set of actions

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createCaret

public abstract Caret createCaret()

Fetches a caret that can navigate through views produced by the associated ViewFactory.

Returns:

the caret

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createDefaultDocument

public abstract Document createDefaultDocument()

Creates an uninitialized text storage model that is appropriate for this type of editor.

Returns:

the model

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read

public abstract void read(InputStream in,
                          Document doc,
                          int pos)
                   throws IOException,
                          BadLocationException

Inserts content from the given stream which is expected to be in a format appropriate for this kind of content handler.

Parameters:

in - The stream to read from

doc - The destination for the insertion.

pos - The location in the document to place the content >= 0.

Throws:

IOException - on any I/O error

BadLocationException - if pos represents an invalid location within the document.

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write

public abstract void write(OutputStream out,
                           Document doc,
                           int pos,
                           int len)
                    throws IOException,
                           BadLocationException

Writes content from a document to the given stream in a format appropriate for this kind of content handler.

Parameters:

out - The stream to write to

doc - The source for the write.

pos - The location in the document to fetch the content from >= 0.

len - The amount to write out >= 0.

Throws:

IOException - on any I/O error

BadLocationException - if pos represents an invalid location within the document.

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read

public abstract void read(Reader in,
                          Document doc,
                          int pos)
                   throws IOException,
                          BadLocationException

Inserts content from the given stream which is expected to be in a format appropriate for this kind of content handler.

Since actual text editing is unicode based, this would generally be the preferred way to read in the data. Some types of content are stored in an 8-bit form however, and will favor the InputStream.

Parameters:

in - The stream to read from

doc - The destination for the insertion.

pos - The location in the document to place the content >= 0.

Throws:

IOException - on any I/O error

BadLocationException - if pos represents an invalid location within the document.

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write

public abstract void write(Writer out,
                           Document doc,
                           int pos,
                           int len)
                    throws IOException,
                           BadLocationException

Writes content from a document to the given stream in a format appropriate for this kind of content handler.

Since actual text editing is unicode based, this would generally be the preferred way to write the data. Some types of content are stored in an 8-bit form however, and will favor the OutputStream.

Parameters:

out - The stream to write to

doc - The source for the write.

pos - The location in the document to fetch the content >= 0.

len - The amount to write out >= 0.

Throws:

IOException - on any I/O error

BadLocationException - if pos represents an invalid location within the document.

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