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javax.swing.text
Class DefaultEditorKit

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

All Implemented Interfaces:

Serializable, Cloneable

Direct Known Subclasses:

StyledEditorKit

public class DefaultEditorKit
extends EditorKit

This is the set of things needed by a text component to be a reasonably functioning editor for some type of text document. This implementation provides a default implementation which treats text as plain text and provides a minimal set of actions for a simple editor.

Newlines

There are two properties which deal with newlines. The system property, line.separator, is defined to be platform-dependent, either "\n", "\r", or "\r\n". There is also a property defined in DefaultEditorKit, called EndOfLineStringProperty, which is defined automatically when a document is loaded, to be the first occurrence of any of the newline characters. When a document is loaded, EndOfLineStringProperty is set appropriately, and when the document is written back out, the EndOfLineStringProperty is used. But while the document is in memory, the "\n" character is used to define a newline, regardless of how the newline is defined when the document is on disk. Therefore, for searching purposes, "\n" should always be used. When a new document is created, and the EndOfLineStringProperty has not been defined, it will use the System property when writing out the document.

Note that EndOfLineStringProperty is set on the Document using the get/putProperty methods. Subclasses may override this behavior.

Nested Class Summary

Modifier and Type	Class and Description
static class	DefaultEditorKit.BeepAction Creates a beep.
static class	DefaultEditorKit.CopyAction Copies the selected region and place its contents into the system clipboard.
static class	DefaultEditorKit.CutAction Cuts the selected region and place its contents into the system clipboard.
static class	DefaultEditorKit.DefaultKeyTypedAction The action that is executed by default if a key typed event is received and there is no keymap entry.
static class	DefaultEditorKit.InsertBreakAction Places a line/paragraph break into the document.
static class	DefaultEditorKit.InsertContentAction Places content into the associated document.
static class	DefaultEditorKit.InsertTabAction Places a tab character into the document.
static class	DefaultEditorKit.PasteAction Pastes the contents of the system clipboard into the selected region, or before the caret if nothing is selected.

Field Summary

Modifier and Type	Field and Description
static String	backwardAction Name of the Action for moving the caret logically backward one position.
static String	beepAction Name of the action to create a beep.
static String	beginAction Name of the Action for moving the caret to the beginning of the document.
static String	beginLineAction Name of the Action for moving the caret to the beginning of a line.
static String	beginParagraphAction Name of the Action for moving the caret to the beginning of a paragraph.
static String	beginWordAction Name of the Action for moving the caret to the beginning of a word.
static String	copyAction Name of the action to copy the selected region and place the contents into the system clipboard.
static String	cutAction Name of the action to cut the selected region and place the contents into the system clipboard.
static String	defaultKeyTypedAction Name of the action that is executed by default if a key typed event is received and there is no keymap entry.
static String	deleteNextCharAction Name of the action to delete the character of content that follows the current caret position.
static String	deleteNextWordAction Name of the action to delete the word that follows the beginning of the selection.
static String	deletePrevCharAction Name of the action to delete the character of content that precedes the current caret position.
static String	deletePrevWordAction Name of the action to delete the word that precedes the beginning of the selection.
static String	downAction Name of the Action for moving the caret logically downward one position.
static String	endAction Name of the Action for moving the caret to the end of the document.
static String	endLineAction Name of the Action for moving the caret to the end of a line.
static String	EndOfLineStringProperty When reading a document if a CRLF is encountered a property with this name is added and the value will be "\r\n".
static String	endParagraphAction Name of the Action for moving the caret to the end of a paragraph.
static String	endWordAction Name of the Action for moving the caret to the end of a word.
static String	forwardAction Name of the Action for moving the caret logically forward one position.
static String	insertBreakAction Name of the action to place a line/paragraph break into the document.
static String	insertContentAction Name of the action to place content into the associated document.
static String	insertTabAction Name of the action to place a tab character into the document.
static String	nextWordAction Name of the Action for moving the caret to the beginning of the next word.
static String	pageDownAction Name of the action to page down vertically.
static String	pageUpAction Name of the action to page up vertically.
static String	pasteAction Name of the action to paste the contents of the system clipboard into the selected region, or before the caret if nothing is selected.
static String	previousWordAction Name of the Action for moving the caret to the beginning of the previous word.
static String	readOnlyAction Name of the action to set the editor into read-only mode.
static String	selectAllAction Name of the Action for selecting the entire document
static String	selectionBackwardAction Name of the Action for extending the selection by moving the caret logically backward one position.
static String	selectionBeginAction Name of the Action for moving the caret to the beginning of the document.
static String	selectionBeginLineAction Name of the Action for moving the caret to the beginning of a line, extending the selection.
static String	selectionBeginParagraphAction Name of the Action for moving the caret to the beginning of a paragraph, extending the selection.
static String	selectionBeginWordAction Name of the Action for moving the caret to the beginning of a word, extending the selection.
static String	selectionDownAction Name of the Action for moving the caret logically downward one position, extending the selection.
static String	selectionEndAction Name of the Action for moving the caret to the end of the document.
static String	selectionEndLineAction Name of the Action for moving the caret to the end of a line, extending the selection.
static String	selectionEndParagraphAction Name of the Action for moving the caret to the end of a paragraph, extending the selection.
static String	selectionEndWordAction Name of the Action for moving the caret to the end of a word, extending the selection.
static String	selectionForwardAction Name of the Action for extending the selection by moving the caret logically forward one position.
static String	selectionNextWordAction Name of the Action for moving the selection to the beginning of the next word, extending the selection.
static String	selectionPreviousWordAction Name of the Action for moving the selection to the beginning of the previous word, extending the selection.
static String	selectionUpAction Name of the Action for moving the caret logically upward one position, extending the selection.
static String	selectLineAction Name of the Action for selecting a line around the caret.
static String	selectParagraphAction Name of the Action for selecting a paragraph around the caret.
static String	selectWordAction Name of the Action for selecting a word around the caret.
static String	upAction Name of the Action for moving the caret logically upward one position.
static String	writableAction Name of the action to set the editor into writeable mode.

Constructor and Description

DefaultEditorKit()
default constructor for DefaultEditorKit

Method Summary

Modifier and Type	Method and Description
Caret	createCaret() Fetches a caret that can navigate through views produced by the associated ViewFactory.
Document	createDefaultDocument() Creates an uninitialized text storage model (PlainDocument) that is appropriate for this type of editor.
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.
String	getContentType() Gets the MIME type of the data that this kit represents support for.
ViewFactory	getViewFactory() Fetches a factory that is suitable for producing views of any models that are produced by this kit.
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.
void	read(Reader in, Document doc, int pos) Inserts content from the given stream, which will be treated as plain text.
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.
void	write(Writer out, Document doc, int pos, int len) Writes content from a document to the given stream as plain text.

Methods inherited from class javax.swing.text.EditorKit

clone, deinstall, install

Methods inherited from class java.lang.Object

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

Field Detail

EndOfLineStringProperty

public static final String EndOfLineStringProperty

When reading a document if a CRLF is encountered a property with this name is added and the value will be "\r\n".

See Also:

Constant Field Values

insertContentAction

public static final String insertContentAction

Name of the action to place content into the associated document. If there is a selection, it is removed before the new content is added.

See Also:

getActions(), Constant Field Values

insertBreakAction

public static final String insertBreakAction

Name of the action to place a line/paragraph break into the document. If there is a selection, it is removed before the break is added.

See Also:

getActions(), Constant Field Values

insertTabAction

public static final String insertTabAction

Name of the action to place a tab character into the document. If there is a selection, it is removed before the tab is added.

See Also:

getActions(), Constant Field Values

deletePrevCharAction

public static final String deletePrevCharAction

Name of the action to delete the character of content that precedes the current caret position.

See Also:

getActions(), Constant Field Values

deleteNextCharAction

public static final String deleteNextCharAction

Name of the action to delete the character of content that follows the current caret position.

See Also:

getActions(), Constant Field Values

deleteNextWordAction

public static final String deleteNextWordAction

Name of the action to delete the word that follows the beginning of the selection.

Since:

1.6

See Also:

getActions(), JTextComponent.getSelectionStart(), Constant Field Values

deletePrevWordAction

public static final String deletePrevWordAction

Name of the action to delete the word that precedes the beginning of the selection.

Since:

1.6

See Also:

getActions(), JTextComponent.getSelectionStart(), Constant Field Values

readOnlyAction

public static final String readOnlyAction

Name of the action to set the editor into read-only mode.

See Also:

getActions(), Constant Field Values

writableAction

public static final String writableAction

Name of the action to set the editor into writeable mode.

See Also:

getActions(), Constant Field Values

cutAction

public static final String cutAction

Name of the action to cut the selected region and place the contents into the system clipboard.

See Also:

JTextComponent.cut(), getActions(), Constant Field Values

copyAction

public static final String copyAction

Name of the action to copy the selected region and place the contents into the system clipboard.

See Also:

JTextComponent.copy(), getActions(), Constant Field Values

pasteAction

public static final String pasteAction

Name of the action to paste the contents of the system clipboard into the selected region, or before the caret if nothing is selected.

See Also:

JTextComponent.paste(), getActions(), Constant Field Values

beepAction

public static final String beepAction

Name of the action to create a beep.

See Also:

getActions(), Constant Field Values

pageUpAction

public static final String pageUpAction

Name of the action to page up vertically.

See Also:

getActions(), Constant Field Values

pageDownAction

public static final String pageDownAction

Name of the action to page down vertically.

See Also:

getActions(), Constant Field Values

forwardAction

public static final String forwardAction

Name of the Action for moving the caret logically forward one position.

See Also:

getActions(), Constant Field Values

backwardAction

public static final String backwardAction

Name of the Action for moving the caret logically backward one position.

See Also:

getActions(), Constant Field Values

selectionForwardAction

public static final String selectionForwardAction

Name of the Action for extending the selection by moving the caret logically forward one position.

See Also:

getActions(), Constant Field Values

selectionBackwardAction

public static final String selectionBackwardAction

Name of the Action for extending the selection by moving the caret logically backward one position.

See Also:

getActions(), Constant Field Values

upAction

public static final String upAction

Name of the Action for moving the caret logically upward one position.

See Also:

getActions(), Constant Field Values

downAction

public static final String downAction

Name of the Action for moving the caret logically downward one position.

See Also:

getActions(), Constant Field Values

selectionUpAction

public static final String selectionUpAction

Name of the Action for moving the caret logically upward one position, extending the selection.

See Also:

getActions(), Constant Field Values

selectionDownAction

public static final String selectionDownAction

Name of the Action for moving the caret logically downward one position, extending the selection.

See Also:

getActions(), Constant Field Values

beginWordAction

public static final String beginWordAction

Name of the Action for moving the caret to the beginning of a word.

See Also:

getActions(), Constant Field Values

endWordAction

public static final String endWordAction

Name of the Action for moving the caret to the end of a word.

See Also:

getActions(), Constant Field Values

selectionBeginWordAction

public static final String selectionBeginWordAction

Name of the Action for moving the caret to the beginning of a word, extending the selection.

See Also:

getActions(), Constant Field Values

selectionEndWordAction

public static final String selectionEndWordAction

Name of the Action for moving the caret to the end of a word, extending the selection.

See Also:

getActions(), Constant Field Values

previousWordAction

public static final String previousWordAction

Name of the Action for moving the caret to the beginning of the previous word.

See Also:

getActions(), Constant Field Values

nextWordAction

public static final String nextWordAction

Name of the Action for moving the caret to the beginning of the next word.

See Also:

getActions(), Constant Field Values

selectionPreviousWordAction

public static final String selectionPreviousWordAction

Name of the Action for moving the selection to the beginning of the previous word, extending the selection.

See Also:

getActions(), Constant Field Values

selectionNextWordAction

public static final String selectionNextWordAction

Name of the Action for moving the selection to the beginning of the next word, extending the selection.

See Also:

getActions(), Constant Field Values

beginLineAction

public static final String beginLineAction

Name of the Action for moving the caret to the beginning of a line.

See Also:

getActions(), Constant Field Values

endLineAction

public static final String endLineAction

Name of the Action for moving the caret to the end of a line.

See Also:

getActions(), Constant Field Values

selectionBeginLineAction

public static final String selectionBeginLineAction

Name of the Action for moving the caret to the beginning of a line, extending the selection.

See Also:

getActions(), Constant Field Values

selectionEndLineAction

public static final String selectionEndLineAction

Name of the Action for moving the caret to the end of a line, extending the selection.

See Also:

getActions(), Constant Field Values

beginParagraphAction

public static final String beginParagraphAction

Name of the Action for moving the caret to the beginning of a paragraph.

See Also:

getActions(), Constant Field Values

endParagraphAction

public static final String endParagraphAction

Name of the Action for moving the caret to the end of a paragraph.

See Also:

getActions(), Constant Field Values

selectionBeginParagraphAction

public static final String selectionBeginParagraphAction

Name of the Action for moving the caret to the beginning of a paragraph, extending the selection.

See Also:

getActions(), Constant Field Values

selectionEndParagraphAction

public static final String selectionEndParagraphAction

Name of the Action for moving the caret to the end of a paragraph, extending the selection.

See Also:

getActions(), Constant Field Values

beginAction

public static final String beginAction

Name of the Action for moving the caret to the beginning of the document.

See Also:

getActions(), Constant Field Values

endAction

public static final String endAction

Name of the Action for moving the caret to the end of the document.

See Also:

getActions(), Constant Field Values

selectionBeginAction

public static final String selectionBeginAction

Name of the Action for moving the caret to the beginning of the document.

See Also:

getActions(), Constant Field Values

selectionEndAction

public static final String selectionEndAction

Name of the Action for moving the caret to the end of the document.

See Also:

getActions(), Constant Field Values

selectWordAction

public static final String selectWordAction

Name of the Action for selecting a word around the caret.

See Also:

getActions(), Constant Field Values

selectLineAction

public static final String selectLineAction

Name of the Action for selecting a line around the caret.

See Also:

getActions(), Constant Field Values

selectParagraphAction

public static final String selectParagraphAction

Name of the Action for selecting a paragraph around the caret.

See Also:

getActions(), Constant Field Values

selectAllAction

public static final String selectAllAction

Name of the Action for selecting the entire document

See Also:

getActions(), Constant Field Values

defaultKeyTypedAction

public static final String defaultKeyTypedAction

Name of the action that is executed by default if a key typed event is received and there is no keymap entry.

See Also:

getActions(), Constant Field Values

Constructor Detail

DefaultEditorKit

public DefaultEditorKit()

default constructor for DefaultEditorKit

Method Detail

getContentType

public String getContentType()

Gets the MIME type of the data that this kit represents support for. The default is text/plain.

Specified by:

getContentType in class EditorKit

Returns:

the type

getViewFactory

public ViewFactory getViewFactory()

Fetches a factory that is suitable for producing views of any models that are produced by this kit. The default is to have the UI produce the factory, so this method has no implementation.

Specified by:

getViewFactory in class EditorKit

Returns:

the view factory

getActions

public 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.

Specified by:

getActions in class EditorKit

Returns:

the command list

createCaret

public Caret createCaret()

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

Specified by:

createCaret in class EditorKit

Returns:

the caret

createDefaultDocument

public Document createDefaultDocument()

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

Specified by:

createDefaultDocument in class EditorKit

Returns:

the model

read

public 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.

Specified by:

read in class EditorKit

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.

write

public 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.

Specified by:

write in class EditorKit

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.

read

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

Inserts content from the given stream, which will be treated as plain text.

Specified by:

read in class EditorKit

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.

write

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

Writes content from a document to the given stream as plain text.

Specified by:

write in class EditorKit

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 is not within 0 and the length of the document.