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java.lang.Object | +--java.util.EventObject | +--org.eclipse.jdt.core.BufferChangedEvent
A buffer changed event describes how a buffer has changed. These events are
used in IBufferChangedListener
notifications.
For text insertions, getOffset
is the offset
of the first inserted character, getText
is the
inserted text, and getLength
is 0.
For text removals, getOffset
is the offset
of the first removed character, getText
is null
,
and getLength
is the length of the text that was removed.
For replacements (including IBuffer.setContents
),
getOffset
is the offset
of the first replaced character, getText
is the replacement
text, and getLength
is the length of the original text
that was replaced.
When a buffer is closed, getOffset
is 0, getLength
is 0, and getText
is null
.
This class is not intended to be instantiated or subclassed by clients. Instances of this class are automatically created by the Java model.
IBuffer
,
Serialized FormField Summary |
Fields inherited from class java.util.EventObject |
source |
Constructor Summary | |
BufferChangedEvent(IBuffer buffer,
int offset,
int length,
String text)
Creates a new buffer changed event indicating that the given buffer has changed. |
Method Summary | |
IBuffer |
getBuffer()
Returns the buffer which has changed. |
int |
getLength()
Returns the length of text removed or replaced in the buffer, or 0 if text has been inserted into the buffer. |
int |
getOffset()
Returns the index of the first character inserted, removed, or replaced in the buffer. |
String |
getText()
Returns the text that was inserted, the replacement text, or null if text has been removed. |
Methods inherited from class java.util.EventObject |
getSource, toString |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
public BufferChangedEvent(IBuffer buffer, int offset, int length, String text)
Method Detail |
public IBuffer getBuffer()
public int getLength()
0
in case of insertion).public int getOffset()
public String getText()
null
if text has been removed.
null
in case of deletion).
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