edu.ycp.cs.dh.acegwt.client.ace

Class AceSelection

java.lang.Object

edu.ycp.cs.dh.acegwt.client.ace.AceSelection

public class AceSelection
extends java.lang.Object

Represents GWT wrapper around an Ace Selection object

Constructor Summary

Constructors

Constructor and Description
AceSelection(com.google.gwt.core.client.JavaScriptObject selection) Constructor for AceSelection

Method Summary

Modifier and Type	Method and Description
void	addSelectionListener(AceSelectionListener listener) Register listener for selection change events.
void	clearSelection() Clear selection.
AceEditorCursorPosition	getSelectionAnchor() Give starting position of selection (opposite to position where cursor is located).
AceEditorCursorPosition	getSelectionLead() Give position of leading end of selection (where cursor is located).
boolean	isBackwards() Check if selection leading position is located before anchor position
boolean	isEmpty() Check if selection is empty.
boolean	isMultiLine() Check if selection contains several lines.
void	removeSelectionListener(AceSelectionListener listener) Unregister listener for selection change events.
void	select(int fromRow, int fromColumn, int toRow, int toColumn) Select text fragment between two positions
void	selectAll() Select the whole text.
void	selectLine() Select line where cursor is located.

Methods inherited from class java.lang.Object

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

Constructor Detail

AceSelection

public AceSelection(com.google.gwt.core.client.JavaScriptObject selection)

Constructor for AceSelection

Parameters:

selection - Ace Selection java-script object (returned from editor.getSession().getSelection())

Method Detail

addSelectionListener

public void addSelectionListener(AceSelectionListener listener)

Register listener for selection change events.

Parameters:

listener - implementation of a listener for selection change events

removeSelectionListener

public void removeSelectionListener(AceSelectionListener listener)

Unregister listener for selection change events.

Parameters:

listener - implementation of a listener for selection change events

isEmpty

public boolean isEmpty()

Check if selection is empty.

Returns:

true in case selection is empty

isMultiLine

public boolean isMultiLine()

Check if selection contains several lines.

Returns:

true in case selection contains several lines

getSelectionLead

public AceEditorCursorPosition getSelectionLead()

Give position of leading end of selection (where cursor is located).

Returns:

position of leading end of selection

getSelectionAnchor

public AceEditorCursorPosition getSelectionAnchor()

Give starting position of selection (opposite to position where cursor is located).

Returns:

starting position of selection

isBackwards

public boolean isBackwards()

Check if selection leading position is located before anchor position

Returns:

true in case selection leading position is located before anchor position

clearSelection

public void clearSelection()

Clear selection.

selectAll

public void selectAll()

Select the whole text.

select

public void select(int fromRow,
                   int fromColumn,
                   int toRow,
                   int toColumn)

Select text fragment between two positions

Parameters:

fromRow - row of selection anchor

fromColumn - columns of selection anchor

toRow - row of selection leading position

toColumn - column of selection leading position

selectLine

public void selectLine()

Select line where cursor is located.