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Class BasicTextModel.InMemoryContent

java.lang.Object
jfx.incubator.scene.control.richtext.model.BasicTextModel.InMemoryContent
All Implemented Interfaces:
BasicTextModel.Content
Enclosing class:
BasicTextModel
public static class BasicTextModel.InMemoryContent extends Object implements BasicTextModel.Content
This content provides in-memory storage in an ArrayList of Strings.
Since:
24

Constructor Summary

Constructor Description
InMemoryContent()
The constructor.

Method Summary

Modifier and Type Method Description
String getText(int index)
Returns the text string for the specified paragraph index.
void insertLineBreak(int index, int offset)
Inserts a line break.
int insertTextSegment(int index, int offset, String text, StyleAttributeMap attrs)
This method is called to insert a single text segment at the given position.
boolean isWritable()
Determines whether this content is writable (i.e.
void removeRange(TextPos start, TextPos end)
Removes the specified range.
int size()
Returns the number of paragraphs in this content.

Methods declared in class java.lang.Object

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

Constructor Details

InMemoryContent

public InMemoryContent()
The constructor.

Method Details

size

public int size()
Description copied from interface: BasicTextModel.Content
Returns the number of paragraphs in this content.
Specified by:
size in interface BasicTextModel.Content
Returns:
the number paragraphs

getText

public String getText(int index)
Description copied from interface: BasicTextModel.Content
Returns the text string for the specified paragraph index. The returned text string cannot be null and must not contain any control characters other than TAB. The caller should never attempt to ask for a paragraph outside of the valid range.
Specified by:
getText in interface BasicTextModel.Content
Parameters:
index - the paragraph index in the range (0...BasicTextModel.Content.size())
Returns:
the text string or null

insertTextSegment

public int insertTextSegment(int index, int offset, String text, StyleAttributeMap attrs)
Description copied from interface: BasicTextModel.Content
This method is called to insert a single text segment at the given position. The BasicTextModel guarantees that this method is only called when the content is writable.
Specified by:
insertTextSegment in interface BasicTextModel.Content
Parameters:
index - the paragraph index
offset - the insertion offset within the paragraph
text - the text to insert
attrs - the style attributes
Returns:
the number of characters inserted

insertLineBreak

public void insertLineBreak(int index, int offset)
Description copied from interface: BasicTextModel.Content
Inserts a line break. The BasicTextModel guarantees that this method is only called when the content is writable.
Specified by:
insertLineBreak in interface BasicTextModel.Content
Parameters:
index - the model index
offset - the text offset

removeRange

public void removeRange(TextPos start, TextPos end)
Description copied from interface: BasicTextModel.Content
Removes the specified range. The BasicTextModel guarantees that this method is only called when the content is writable, and that start precedes end.
Specified by:
removeRange in interface BasicTextModel.Content
Parameters:
start - the start of the region to be removed
end - the end of the region to be removed, expected to be greater than the start position

isWritable

public boolean isWritable()
Description copied from interface: BasicTextModel.Content
Determines whether this content is writable (i.e. supports modification).
Specified by:
isWritable in interface BasicTextModel.Content
Returns:
true if writable

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Copyright © 2008, 2025, Oracle and/or its affiliates. All rights reserved.

© 2008, 2025, Oracle and/or its affiliates. All rights reserved.
Documentation extracted from JavaFX API Documentation.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Java, JavaFX and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.

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