AbstractBlock

java.lang.Object
- com.inductiveautomation.ignition.designer.blockandconnector.model.impl.AbstractBlock

All Implemented Interfaces:

Block

Direct Known Subclasses:

PropertySetBlock
```
public abstract class AbstractBlock
extends java.lang.Object
implements Block
```
Abstract implementation takes care of the bookkeeping required for event handling. Also implements hashcode and equals using the UUID from getId()

Field Summary

Fields
Modifier and Type Field Description

protected java.util.List<BlockListener> listeners

Constructor Summary

Constructors
Constructor Description

AbstractBlock()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addBlockListener(BlockListener listener)`	The block should notify this change listener when it moves
`boolean`	`equals(java.lang.Object obj)`
`protected void`	`fireBlockMoved()`
`protected void`	`fireUIChanged()`
`int`	`hashCode()`
`void`	`removeBlockListener(BlockListener listener)`

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.inductiveautomation.ignition.designer.blockandconnector.model.Block
copy, getAnchorPoints, getDefaultDropAnchor, getId, getLocation, initUI, setLocation

- Field Detail
  - listeners
```
protected final java.util.List<BlockListener> listeners
```
- Constructor Detail
  - AbstractBlock
```
public AbstractBlock()
```
- Method Detail
  - addBlockListener
```
public void addBlockListener(BlockListener listener)
```
    Description copied from interface: Block
    
    The block should notify this change listener when it moves
    
    Specified by:
    
    addBlockListener in interface Block
  - removeBlockListener
```
public void removeBlockListener(BlockListener listener)
```
    Specified by:
    
    removeBlockListener in interface Block
  - fireBlockMoved
```
protected void fireBlockMoved()
```
  - fireUIChanged
```
protected void fireUIChanged()
```
  - equals
```
public boolean equals(java.lang.Object obj)
```
    Overrides:
    
    equals in class java.lang.Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class java.lang.Object