Package pi.graphics.boxes

Class LeafBox

java.lang.Object

pi.graphics.boxes.Box

pi.graphics.boxes.LeafBox

All Implemented Interfaces:

Iterable<Box>

Direct Known Subclasses:

CompassBox, DimensionBox, EllipseBox, ImageBox, TextBox

public abstract class LeafBox
extends Box

Eine Box, die keine weiteren Kinder hat.

Im Boxenbaum handelt es sich um einen Blattknoten.

Field Summary

Fields inherited from class pi.graphics.boxes.Box

childs, definedHeight, definedWidth, disabled, height, measureDimensionTwice, parent, supportsDefinedDimension, width, x, y

Constructor Summary

Constructors

Constructor	Description
LeafBox()

Method Summary

Modifier and Type	Method	Description
protected void	calculateAnchors()	Berechnet rekursiv alle Ankerpunkte (linkes oberes Eck) der untergeordneten Kinder-Boxen.
int	numberOfChilds()	Gibt die Anzahl an Kinder-Boxen zurück.

Methods inherited from class pi.graphics.boxes.Box

anchor, calculateDimension, debug, disable, disabled, enable, height, height, iterator, measure, measureAnchors, measureDimension, remeasure, render, toggle, toString, toStringFormatter, width, width, x, x, y, y

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Details

LeafBox

public LeafBox()

Method Details

numberOfChilds

public int numberOfChilds()

Description copied from class: Box

Gibt die Anzahl an Kinder-Boxen zurück.

Specified by:

numberOfChilds in class Box

Returns:

Die Anzahl an Kinder-Boxen.

calculateAnchors

protected void calculateAnchors()

Description copied from class: Box

Berechnet rekursiv alle Ankerpunkte (linkes oberes Eck) der untergeordneten Kinder-Boxen. Die inneren Blattboxen brauchen diese Methode nicht zu implementieren.

Single-Child-Code-Beispiel

 
 protected void calculateAnchors()
 {
     child.x = x + margin;
     child.y = y + margin;
 }
 
 

Multiple-Child-Code-Beispiel

 
 protected void calculateAnchors()
 {
     int yCursor = y;
     for (Box child : childs)
     {
         child.x = x;
         child.y = yCursor;
         yCursor += child.height;
     }
 }
 
 

Specified by:

calculateAnchors in class Box