org.das2.jythoncompletion

Class Utilities

java.lang.Object

org.das2.jythoncompletion.Utilities

public class Utilities
extends java.lang.Object

Utilities for the editor.

Constructor Summary

Constructors

Constructor and Description
Utilities()

Method Summary

Modifier and Type	Method and Description
static int	getLineNumberForOffset(javax.swing.JTextArea a, int offset) return the line number that contains the offset.
static int	getLineNumberForOffset(javax.swing.text.JTextComponent comp, int offset) return the line number that contains the offset.
static int[]	getLinePosition(javax.swing.JTextPane editor, int carotPos) return the index of the start and end of the selection, rounded out to complete lines.
static int	getOffsetForLineNumber(java.lang.String text, int line) given a line number, where zero is the first line, what is the offset?
static int	getRowEnd(javax.swing.JTextArea a, int offset)
static int	getRowEnd(javax.swing.text.JTextComponent editor, int pos) return the offset of the last character of the line.
static int	getRowStart(javax.swing.JTextArea a, int offset)
static int	getRowStart(javax.swing.text.JTextComponent editor, int pos) return the offset of the first character of the line.
static java.lang.String	getWordAt(javax.swing.JTextPane logTextArea, int caret) look for adjacent whitespace to identify the word at the location.

Methods inherited from class java.lang.Object

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

Constructor Detail

Utilities

public Utilities()

Method Detail

getRowStart

public static int getRowStart(javax.swing.text.JTextComponent editor,
                              int pos)

return the offset of the first character of the line. See javax.swing.text.Utilities, it's the same thing.

Parameters:

editor -

pos -

Returns:

getRowEnd

public static int getRowEnd(javax.swing.text.JTextComponent editor,
                            int pos)

return the offset of the last character of the line.

Parameters:

editor -

pos -

Returns:

getLineNumberForOffset

public static int getLineNumberForOffset(javax.swing.JTextArea a,
                                         int offset)
                                  throws javax.swing.text.BadLocationException

return the line number that contains the offset.

Parameters:

a -

offset -

Returns:

the line number, zero is the first line.

Throws:

javax.swing.text.BadLocationException

See Also:

JTextArea.getLineOfOffset(int)

getLineNumberForOffset

public static int getLineNumberForOffset(javax.swing.text.JTextComponent comp,
                                         int offset)
                                  throws javax.swing.text.BadLocationException

return the line number that contains the offset.

Parameters:

comp -

offset -

Returns:

the line number, zero is the first line.

Throws:

javax.swing.text.BadLocationException

getOffsetForLineNumber

public static int getOffsetForLineNumber(java.lang.String text,
                                         int line)

given a line number, where zero is the first line, what is the offset?

Parameters:

text - the text document

line, - the line number, where zero is the first line

Returns:

the character offset of the line.

getRowStart

public static int getRowStart(javax.swing.JTextArea a,
                              int offset)
                       throws javax.swing.text.BadLocationException

Throws:

javax.swing.text.BadLocationException

getRowEnd

public static int getRowEnd(javax.swing.JTextArea a,
                            int offset)
                     throws javax.swing.text.BadLocationException

Throws:

javax.swing.text.BadLocationException

getWordAt

public static java.lang.String getWordAt(javax.swing.JTextPane logTextArea,
                                         int caret)
                                  throws javax.swing.text.BadLocationException

look for adjacent whitespace to identify the word at the location.

Parameters:

logTextArea -

caret -

Returns:

Throws:

javax.swing.text.BadLocationException

getLinePosition

public static int[] getLinePosition(javax.swing.JTextPane editor,
                                    int carotPos)

return the index of the start and end of the selection, rounded out to complete lines.

Parameters:

editor - the editor

carotPos - the carot position within the editor.

Returns:

[start,len] where start is the index of the first character and len is the number of characters.