gnu.jemacs.swing
Class SwingBuffer

java.lang.Object
  gnu.lists.AbstractSequence
      gnu.jemacs.buffer.Buffer
          gnu.jemacs.swing.SwingBuffer

All Implemented Interfaces:

CharSeq, Consumable, Sequence, java.lang.CharSequence, java.lang.Iterable, java.util.Collection, java.util.List

public class SwingBuffer
extends Buffer

An Emacs buffer implemented using the Swing toolkits.

Field Summary

BufferContent	content
javax.swing.text.Caret	curPosition
static javax.swing.text.Style	defaultStyle
javax.swing.text.DefaultStyledDocument	doc
javax.swing.text.Style	inputStyle
javax.swing.text.StyledDocument	modelineDocument
static javax.swing.text.Style	redStyle
static javax.swing.text.StyleContext	styles

Fields inherited from class gnu.jemacs.buffer.Buffer

activeKeymaps, buffers, fileBuffers, markMarker, pointMarker

Fields inherited from interface gnu.lists.Sequence

ATTRIBUTE_VALUE, BOOLEAN_VALUE, CDATA_VALUE, CHAR_VALUE, COMMENT_VALUE, DOCUMENT_VALUE, DOUBLE_VALUE, EOF_VALUE, eofValue, FLOAT_VALUE, GROUP_VALUE, INT_S16_VALUE, INT_S32_VALUE, INT_S64_VALUE, INT_S8_VALUE, INT_U16_VALUE, INT_U32_VALUE, INT_U64_VALUE, INT_U8_VALUE, OBJECT_VALUE, PRIM_VALUE, PROCESSING_INSTRUCTION_VALUE, TEXT_BYTE_VALUE

Constructor Summary

SwingBuffer(java.lang.String name)

SwingBuffer(java.lang.String name, BufferContent content)

Method Summary

int	createPos(int index, boolean isAfter) Generate a position at a given index.
java.lang.Object	get(int index) See java.util.List.
int	getDot()
int	getLength()
CharSeq	getStringContent()
void	insert(char ch, int count) Insert count copies of ch at point.
void	insert(int index, java.lang.String string, java.lang.Object style)
void	insert(java.lang.String string, java.lang.Object style)
void	insert(java.lang.String string, java.lang.Object style, int ipos) Insert string with given style at position pair.
void	insertFile(java.io.Reader in)
void	invoke(java.lang.Runnable doRun) This is intended for Runnable's that may affect the state of the buffer.
int	lineStartOffset(int offset)
int	maxDot()
int	nextIndex(int ipos) Get the offset from the beginning corresponding to a position cookie.
InPort	openReader(int start, int count)
void	redrawModeline()
void	removeAll()
void	removeChar(int count)
void	removePos(int ipos, int count) Remove one or more elements.
void	removeRegion(int start, int end)
void	restorePointMark(long pointMark)
void	save(java.io.Writer out)
long	savePointMark()
long	scan(char target, int start, int end, int count, boolean allowQuit) Search in BUF for COUNT instances of the character TARGET between START and END.
void	setDot(int i)
int	size() See java.util.List.

Methods inherited from class gnu.jemacs.buffer.Buffer

backwardChar, charAt, charWidth, checkMark, coerceBuffer, consume, countColumns, currentColumn, currentColumn, display, fill, fill, findFile, forwardChar, forwardLine, forwardLine, generateNewBufferName, getBuffer, getChars, getCurrent, getFileName, getLocalKeymap, getMarkMarker, getName, getPoint, getPointMarker, insert, insert, insert, insertAll, insertFile, length, lineStartOffset, makeBufferLocal, minDot, moveToColumn, positionToOffset, save, setCharAt, setCurrent, setFileName, setLocalKeymap, setPoint, subSequence, toString, writeTo, writeTo

Methods inherited from class gnu.lists.AbstractSequence

add, add, addAll, addAll, addPos, append, append, append, baseUriOfPos, clear, compare, compare, compare, consume, consumeNext, consumePosRange, contains, containsAll, copyPos, createRelativePos, elements, endPos, equals, equals, fill, fill, fillPosRange, firstAttributePos, firstChildPos, fromEndIndex, get, getAttribute, getAttributeLength, getContainingSequenceSize, getEffectiveIndex, getIndexDifference, getIterator, getIterator, getIteratorAtPos, getLowBound, getNextKind, getNextTypeName, getNextTypeObject, getPosNext, getPosPrevious, getSize, gotoAttributesStart, gotoChildrenStart, gotoParent, hashCode, hasNext, hasPrevious, indexOf, isAfterPos, isEmpty, iterator, lastIndexOf, listIterator, listIterator, nextIndex, nextMatching, nextPos, parentPos, previousPos, rank, releasePos, remove, remove, removeAll, removePosRange, retainAll, set, set, setPosNext, setPosPrevious, stableCompare, startPos, subList, subSequence, subSequencePos, toArray, toArray, toString, unsupported

Methods inherited from class java.lang.Object

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

Methods inherited from interface gnu.lists.Sequence

elements, fill, isEmpty

Methods inherited from interface java.util.List

add, add, addAll, addAll, clear, contains, containsAll, equals, hashCode, indexOf, iterator, lastIndexOf, listIterator, listIterator, remove, remove, removeAll, retainAll, set, subList, toArray, toArray

Methods inherited from interface gnu.lists.Consumable

consume

Field Detail

doc

public javax.swing.text.DefaultStyledDocument doc

curPosition

public javax.swing.text.Caret curPosition

content

public BufferContent content

modelineDocument

public javax.swing.text.StyledDocument modelineDocument

styles

public static javax.swing.text.StyleContext styles

defaultStyle

public static javax.swing.text.Style defaultStyle

inputStyle

public javax.swing.text.Style inputStyle

redStyle

public static javax.swing.text.Style redStyle

Constructor Detail

SwingBuffer

public SwingBuffer(java.lang.String name)

SwingBuffer

public SwingBuffer(java.lang.String name,
                   BufferContent content)

Method Detail

removeRegion

public void removeRegion(int start,
                         int end)
                  throws javax.swing.text.BadLocationException

Throws:

javax.swing.text.BadLocationException

removeAll

public void removeAll()

Specified by:

removeAll in class Buffer

removeChar

public void removeChar(int count)

Overrides:

removeChar in class Buffer

removePos

public void removePos(int ipos,
                      int count)

Description copied from class: AbstractSequence

Remove one or more elements.

Overrides:

removePos in class AbstractSequence

Parameters:

ipos - position where elements should be removed

count - if non-negative, remove that number of elements following (poses, posNumber); if negative the negative of the number of elements to remove before (poses, posNumber).

save

public void save(java.io.Writer out)
          throws java.lang.Exception

Specified by:

save in class Buffer

Throws:

java.lang.Exception

insert

public void insert(char ch,
                   int count)

Description copied from class: Buffer

Insert count copies of ch at point.

Overrides:

insert in class Buffer

insert

public void insert(int index,
                   java.lang.String string,
                   java.lang.Object style)

insert

public void insert(java.lang.String string,
                   java.lang.Object style)

Overrides:

insert in class Buffer

insert

public void insert(java.lang.String string,
                   java.lang.Object style,
                   int ipos)

Description copied from class: Buffer

Insert string with given style at position pair.

Specified by:

insert in class Buffer

insertFile

public void insertFile(java.io.Reader in)
                throws java.lang.Exception

Specified by:

insertFile in class Buffer

Throws:

java.lang.Exception

redrawModeline

public void redrawModeline()

Specified by:

redrawModeline in class Buffer

scan

public long scan(char target,
                 int start,
                 int end,
                 int count,
                 boolean allowQuit)

Description copied from class: Buffer

Search in BUF for COUNT instances of the character TARGET between START and END. If COUNT is positive, search forwards; END must be >= START. If COUNT is negative, search backwards for the -COUNTth instance; END must be <= START. If COUNT is zero, do anything you please; run rogue, for all I care. If END is zero, use beginning or end of (FIXME: accessible part of) the buffer, as appropriate for the direction indicated by COUNT. If we find COUNT instances, SHORTAGE is zero, and return the position after the COUNTth match. Note that for reverse motion this is not the same as the usual convention for Emacs motion commands. If we don't find COUNT instances before reaching END, set SHORTAGE to the number of TARGETs left unfound, and return (shortage<<32|END).

Specified by:

scan in class Buffer

Returns:

(SHORTAGE<<32|POS)

lineStartOffset

public int lineStartOffset(int offset)

Specified by:

lineStartOffset in class Buffer

getDot

public int getDot()

Overrides:

getDot in class Buffer

setDot

public void setDot(int i)

Overrides:

setDot in class Buffer

maxDot

public int maxDot()

Specified by:

maxDot in class Buffer

getLength

public int getLength()

Specified by:

getLength in class Buffer

getStringContent

public CharSeq getStringContent()

Specified by:

getStringContent in class Buffer

createPos

public int createPos(int index,
                     boolean isAfter)

Description copied from class: AbstractSequence

Generate a position at a given index. The result is a position cookie that must be free'd with releasePos.

Specified by:

createPos in class AbstractSequence

Parameters:

index - offset from beginning of desired position

isAfter - should the position have the isAfter property

get

public java.lang.Object get(int index)

Description copied from class: AbstractSequence

See java.util.List.

Specified by:

get in interface Sequence

Specified by:

get in interface java.util.List

Specified by:

get in class AbstractSequence

size

public int size()

Description copied from class: AbstractSequence

See java.util.List.

Specified by:

size in interface Sequence

Specified by:

size in interface java.util.Collection

Specified by:

size in interface java.util.List

Specified by:

size in class AbstractSequence

nextIndex

public int nextIndex(int ipos)

Description copied from class: AbstractSequence

Get the offset from the beginning corresponding to a position cookie.

Overrides:

nextIndex in class AbstractSequence

savePointMark

public long savePointMark()

Specified by:

savePointMark in class Buffer

restorePointMark

public void restorePointMark(long pointMark)

Specified by:

restorePointMark in class Buffer

openReader

public InPort openReader(int start,
                         int count)

Specified by:

openReader in class Buffer

invoke

public void invoke(java.lang.Runnable doRun)

Description copied from class: Buffer

This is intended for Runnable's that may affect the state of the buffer. The implementation should make shure that the GUI is properly updated before control returns

Specified by:

invoke in class Buffer

See Also:

Buffer.invoke(java.lang.Runnable)