public final class RichBlocks

Object
RichBlocks

The per paragraph block attribute model for the pure rich text editor. Each logical line (paragraph, delimited by newlines) has a BlockAttr describing its block type (paragraph / heading / preformatted / blockquote), text alignment, list membership and indentation. The model is kept in lockstep with the paragraph structure through #applyEdit.

Nested types

class RichBlocks.BlockAttr A single paragraph’s block attributes.

Fields

`public static final int PARAGRAPH = 0`	Block type: a normal paragraph.
`public static final int H1 = 1`	Block type: heading level 1 through 6 are `H1`..`H1 + 5`.
`public static final int PRE = 7`	Block type: preformatted text.
`public static final int BLOCKQUOTE = 8`	Block type: a block quote.
`public static final int ALIGN_LEFT = 0`	Left alignment.
`public static final int ALIGN_CENTER = 1`	Center alignment.
`public static final int ALIGN_RIGHT = 2`	Right alignment.
`public static final int LIST_NONE = 0`	Not a list item.
`public static final int LIST_ORDERED = 1`	An ordered (numbered) list item.
`public static final int LIST_UNORDERED = 2`	An unordered (bulleted) list item.

Constructors

public RichBlocks(int paragraphCount) Creates a model with the given paragraph count, all default paragraphs.

Methods

`public void reset(int paragraphCount)`	Resets the model to the given paragraph count, all default paragraphs.
`public int count()`	Returns the number of paragraphs.
`public` `RichBlocks.BlockAttr get(int paragraph)`	Returns the block attributes for the given paragraph (clamped to the valid range).
`public void applyEdit(int startParagraph, int removedNewlines, int addedNewlines)`	Keeps the model in sync with a text edit that changed the paragraph structure.

Inherited methods

From Object

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

Field details

PARAGRAPH

public static final int PARAGRAPH = 0

Block type: a normal paragraph.

H1

public static final int H1 = 1

Block type: heading level 1 through 6 are H1..H1 + 5.

PRE

public static final int PRE = 7

Block type: preformatted text.

BLOCKQUOTE

public static final int BLOCKQUOTE = 8

Block type: a block quote.

ALIGN_LEFT

public static final int ALIGN_LEFT = 0

Left alignment.

ALIGN_CENTER

public static final int ALIGN_CENTER = 1

Center alignment.

ALIGN_RIGHT

public static final int ALIGN_RIGHT = 2

Right alignment.

LIST_NONE

public static final int LIST_NONE = 0

Not a list item.

LIST_ORDERED

public static final int LIST_ORDERED = 1

An ordered (numbered) list item.

LIST_UNORDERED

public static final int LIST_UNORDERED = 2

An unordered (bulleted) list item.

Constructor details

RichBlocks

public RichBlocks(int paragraphCount)

Creates a model with the given paragraph count, all default paragraphs.

Method details

reset

public void reset(int paragraphCount)

Resets the model to the given paragraph count, all default paragraphs.

count

public int count()

Returns the number of paragraphs.

get

public RichBlocks.BlockAttr get(int paragraph)

Returns the block attributes for the given paragraph (clamped to the valid range).

applyEdit

public void applyEdit(int startParagraph, int removedNewlines, int addedNewlines)

Keeps the model in sync with a text edit that changed the paragraph structure.

Parameters

startParagraph int: the paragraph containing the edit offset
removedNewlines int: number of newlines in the removed text (paragraphs merged away)
addedNewlines int: number of newlines in the inserted text (paragraphs created)