BlockParent (PDFxStream API Reference)

All Known Subinterfaces:

Block, Table
```
public interface BlockParent
```
An interface to be implemented by any class that can contain an ordered set of Blocks.

Version:

©2004-2025 Snowtide

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`addChild(Block b)`
`Block`	`getChild(int idx)`	Returns the child and the given index.
`int`	`getChildCnt()`	Returns the number of children held by this BlockParent.
`void`	`removeAllChildren()`
`Block`	`removeChild(int idx)`	Removes and returns the child at the given index.
`void`	`replaceChild(int idx, Block b)`	Replaces the child at the given index with the provided `Block`.
`void`	`sortChildren(Comparator c)`	Sorts the `Block`s in this `BlockParent` using the given `Comparator`.

- Method Detail
  - getChildCnt
```
int getChildCnt()
```
    Returns the number of children held by this BlockParent.
  - getChild
```
Block getChild(int idx)
```
    Returns the child and the given index.
  - removeChild
```
Block removeChild(int idx)
```
    Removes and returns the child at the given index.
    
    Throws:
    
    UnsupportedOperationException - if the implementation is not mutable
  - replaceChild
```
void replaceChild(int idx,
                  Block b)
```
    Replaces the child at the given index with the provided Block.
  - addChild
```
void addChild(Block b)
```
    Throws:
    
    UnsupportedOperationException - if the implementation is not mutable
  - sortChildren
```
void sortChildren(Comparator c)
```
    Sorts the Blocks in this BlockParent using the given Comparator.
    
    Throws:
    
    UnsupportedOperationException - if the implementation is not mutable
  - removeAllChildren
```
void removeAllChildren()
```