mxGraphView.mxCurrentRootChange (mxGraph 4.1.0 API Specification)

java.lang.Object
- com.mxgraph.view.mxGraphView.mxCurrentRootChange

All Implemented Interfaces:

mxUndoableEdit.mxUndoableChange

Enclosing class:

mxGraphView
```
public static class mxGraphView.mxCurrentRootChange
extends java.lang.Object
implements mxUndoableEdit.mxUndoableChange
```
Action to change the current root in a view.

Field Summary

Fields
Modifier and Type Field Description

protected java.lang.Object previous

protected java.lang.Object root

protected boolean up

protected mxGraphView view

Constructor Summary

Constructors
Constructor Description

mxCurrentRootChange(mxGraphView view, java.lang.Object root)
Constructs a change of the current root in the given view.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`execute()`	Changes the current root of the view.
`java.lang.Object`	`getPrevious()`	Returns the previous root.
`java.lang.Object`	`getRoot()`	Returns the root.
`mxGraphView`	`getView()`	Returns the graph view where the change happened.
`boolean`	`isUp()`	Returns true if the drilling went upwards.

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

- Field Detail
  - view
```
protected mxGraphView view
```
  - root
```
protected java.lang.Object root
```
  - previous
```
protected java.lang.Object previous
```
  - up
```
protected boolean up
```
- Constructor Detail
  - mxCurrentRootChange
```
public mxCurrentRootChange(mxGraphView view,
                           java.lang.Object root)
```
    Constructs a change of the current root in the given view.
- Method Detail
  - getView
```
public mxGraphView getView()
```
    Returns the graph view where the change happened.
  - getRoot
```
public java.lang.Object getRoot()
```
    Returns the root.
  - getPrevious
```
public java.lang.Object getPrevious()
```
    Returns the previous root.
  - isUp
```
public boolean isUp()
```
    Returns true if the drilling went upwards.
  - execute
```
public void execute()
```
    Changes the current root of the view.
    
    Specified by:
    
    execute in interface mxUndoableEdit.mxUndoableChange