Section (Vellum)

tonic@vellum:~$ Source Portfolio tonicbox.dev

java.lang.Object
- com.tonic.vellum.Section

Direct Known Subclasses:

AbstractListSection, BorderSection, ScrollSection, SingleRowSection, Split, StatusBar, TabHost, TextInput, TextSection
```
public abstract class Section
extends java.lang.Object
```
The base unit of a Vellum UI: every visible element is a Section, and containers are Sections that hold other Sections. The framework assigns bounds during layout, routes keys to the focused section, and repaints dirty subtrees.

Constructor Summary

Constructors
Constructor Description

Section()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Section`	`bordered()`	Wraps this section in a border.
`Section`	`bordered(java.lang.String title)`	Wraps this section in a titled border.
`Rect`	`bounds()`
`boolean`	`isFocused()`
`Section`	`parent()`
`void`	`requestRedraw()`	Marks this section dirty; the framework batches and repaints the dirty subtree.

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - Section
```
public Section()
```
- Method Detail
  - requestRedraw
```
public final void requestRedraw()
```
    Marks this section dirty; the framework batches and repaints the dirty subtree.
    
    Throws:
    
    java.lang.IllegalStateException - if called off the UI thread
  - isFocused
```
public final boolean isFocused()
```
    Returns:
    
    true if this section is on the focus path
  - bounds
```
public final Rect bounds()
```
    Returns:
    
    this section's current bounds
  - parent
```
public final Section parent()
```
    Returns:
    
    the parent section, or null if this is the root or unattached
  - bordered
```
public final Section bordered()
```
    Wraps this section in a border.
    
    Returns:
    
    the wrapping bordered section
  - bordered
```
public final Section bordered(java.lang.String title)
```
    Wraps this section in a titled border.
    
    Parameters:
    
    title - the border title
    
    Returns:
    
    the wrapping bordered section