MultiViewEditorElement (MultiView Windows)

java.lang.Object
- org.netbeans.core.spi.multiview.text.MultiViewEditorElement

All Implemented Interfaces:: java.io.Serializable, MultiViewElement, org.openide.text.CloneableEditorSupport.Pane

public class MultiViewEditorElement
extends java.lang.Object
implements MultiViewElement, org.openide.text.CloneableEditorSupport.Pane, java.io.Serializable

Standard MultiViewElement to integrate editor with MultiViews. It can be used directly via a factory method:

 @MultiViewElement.Registration(
   displayName = "#BUNDLE_KEY",
   iconBase = "path/to/some-icon.png",
   mimeType = "text/yourmime",
   persistenceType = TopComponent.PERSISTENCE_ONLY_OPENED,
   preferredID = "yourId",
   position = 1000
 )
 public static MultiViewEditorElement createEditor(Lookup lkp) {
   return new MultiViewEditorElement(lkp);
 }

Or one can subclass the class, override some methods (it is recommended to continue to call super implementation) and register the subclass.

Since:: 1.24
See Also:: Serialized Form

Nested Class Summary
- Nested classes/interfaces inherited from interface org.netbeans.core.spi.multiview.MultiViewElement
  MultiViewElement.Registration

Constructor Summary

Constructors
Constructor Description

MultiViewEditorElement(org.openide.util.Lookup lookup)
Constructor suitable for use with MultiViewElement.Registration annotation.

Constructors
Constructor	Description
`MultiViewEditorElement(org.openide.util.Lookup lookup)`	Constructor suitable for use with `MultiViewElement.Registration` annotation.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`CloseOperationState`	`canCloseElement()`	Element decides if it can be safely closed.
`void`	`componentActivated()`	Called when this multi view element is activated.
`void`	`componentClosed()`	Called only when multi view top component was closed.
`void`	`componentDeactivated()`	Called when this multi view element is deactivated.
`void`	`componentHidden()`	Called when this MultiViewElement was hidden.
`void`	`componentOpened()`	Called only when enclosing multi view top component was closed before and now is opened again for the first time.
`void`	`componentShowing()`	Called when this MultiViewElement is about to be shown.
`void`	`ensureVisible()`
`javax.swing.Action[]`	`getActions()`	Gets the actions which will appear in the popup menu of this component.
`org.openide.windows.CloneableTopComponent`	`getComponent()`
`javax.swing.JEditorPane`	`getEditorPane()`
`org.openide.util.Lookup`	`getLookup()`	Lookup for the MultiViewElement.
`javax.swing.JComponent`	`getToolbarRepresentation()`	Returns the visual component with the multi view element's toolbar.Should be relatively fast as it's called everytime the current perspective is switched.
`org.openide.awt.UndoRedo`	`getUndoRedo()`	UndoRedo support, Get the undo/redo support for this element.
`javax.swing.JComponent`	`getVisualRepresentation()`	Returns Swing visual representation of this multi view element.
`void`	`setMultiViewCallback(MultiViewElementCallback callback)`	Use the passed in callback instance for manipulating the enclosing multiview component, keep the instance around during lifecycle of the component if you want to automatically switch to this component etc.
`void`	`updateName()`

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

- Constructor Detail
  - MultiViewEditorElement
```
public MultiViewEditorElement(org.openide.util.Lookup lookup)
```
    Constructor suitable for use with MultiViewElement.Registration annotation. The Lookup parameter is expected to contain CloneableEditorSupport, otherwise it yields an exception
    
    Parameters:
    
    lookup - context for the editor. Should contain instance of CloneableEditorSupport class
    
    Throws:
    
    java.lang.IllegalArgumentException - if CloneableEditorSupport is not present in provided Lookup
- Method Detail
  - getVisualRepresentation
```
public javax.swing.JComponent getVisualRepresentation()
```
    Description copied from interface: MultiViewElement
    
    Returns Swing visual representation of this multi view element. Should be relatively fast and always return the same component.
    
    Specified by:
    
    getVisualRepresentation in interface MultiViewElement
  - getToolbarRepresentation
```
public javax.swing.JComponent getToolbarRepresentation()
```
    Description copied from interface: MultiViewElement
    
    Returns the visual component with the multi view element's toolbar.Should be relatively fast as it's called everytime the current perspective is switched.
    
    Specified by:
    
    getToolbarRepresentation in interface MultiViewElement
  - getActions
```
public javax.swing.Action[] getActions()
```
    Description copied from interface: MultiViewElement
    Gets the actions which will appear in the popup menu of this component.
    Subclasses are encouraged to use add the default TopComponent actions to the array of their own. These are accessible by calling MultiViewElementCallback.createDefaultActions()
```
 
          public Action[] getActions() {
             Action[] retValue;
             // the multiviewObserver was passed to the element in setMultiViewCallback() method.
             if (multiViewObserver != null) {
                 retValue = multiViewObserver.createDefaultActions();
                 // add you own custom actions here..
             } else {
                 // fallback..
                 retValue = super.getActions();
             }
             return retValue;
         }
   
```
    Specified by:
    
    getActions in interface MultiViewElement
    
    Returns:
    
    array of actions for this component
  - getLookup
```
public org.openide.util.Lookup getLookup()
```
    Description copied from interface: MultiViewElement
    
    Lookup for the MultiViewElement. Will become part of the TopComponent's lookup.
    
    Specified by:
    
    getLookup in interface MultiViewElement
    
    Returns:
    
    the lookup to use when the MultiViewElement is active.
  - componentOpened
```
public void componentOpened()
```
    Description copied from interface: MultiViewElement
    
    Called only when enclosing multi view top component was closed before and now is opened again for the first time. The intent is to provide subclasses information about multi view TopComponent's life cycle. Subclasses will usually perform initializing tasks here.
    
    Specified by:
    
    componentOpened in interface MultiViewElement
  - componentClosed
```
public void componentClosed()
```
    Description copied from interface: MultiViewElement
    
    Called only when multi view top component was closed. The intent is to provide subclasses information about TopComponent's life cycle. Subclasses will usually perform cleaning tasks here.
    
    Specified by:
    
    componentClosed in interface MultiViewElement
  - componentShowing
```
public void componentShowing()
```
    Description copied from interface: MultiViewElement
    
    Called when this MultiViewElement is about to be shown. That can happen when switching the current perspective/view or when the topcomonent itself is shown for the first time.
    
    Specified by:
    
    componentShowing in interface MultiViewElement
  - componentHidden
```
public void componentHidden()
```
    Description copied from interface: MultiViewElement
    
    Called when this MultiViewElement was hidden. This happens when other view replaces this one as the selected view or when the whole topcomponent gets hidden (eg. when user selects anothe topcomponent in the current mode).
    
    Specified by:
    
    componentHidden in interface MultiViewElement
  - componentActivated
```
public void componentActivated()
```
    Description copied from interface: MultiViewElement
    
    Called when this multi view element is activated. This happens when the parent window of this component gets focus (and this component is the preferred one in it), or when this component is selected in its window (and its window was already focused).
    
    Specified by:
    
    componentActivated in interface MultiViewElement
  - componentDeactivated
```
public void componentDeactivated()
```
    Description copied from interface: MultiViewElement
    
    Called when this multi view element is deactivated. This happens when the parent window of this component loses focus (and this component is the preferred one in the parent), or when this component loses preference in the parent window (and the parent window is focussed).
    
    Specified by:
    
    componentDeactivated in interface MultiViewElement
  - getUndoRedo
```
public org.openide.awt.UndoRedo getUndoRedo()
```
    Description copied from interface: MultiViewElement
    
    UndoRedo support, Get the undo/redo support for this element.
    
    Specified by:
    
    getUndoRedo in interface MultiViewElement
    
    Returns:
    
    undoable edit for this component, null if not implemented.
  - setMultiViewCallback
```
public void setMultiViewCallback(MultiViewElementCallback callback)
```
    Description copied from interface: MultiViewElement
    
    Use the passed in callback instance for manipulating the enclosing multiview component, keep the instance around during lifecycle of the component if you want to automatically switch to this component etc. The enclosing window enviroment attaches the callback right after creating the element from the description. Same applies for deserialization of MultiViewTopComponent, thus MultiViewElement implementors shall not attempt to serialize the passed instance.
    
    Specified by:
    
    setMultiViewCallback in interface MultiViewElement
  - canCloseElement
```
public CloseOperationState canCloseElement()
```
    Description copied from interface: MultiViewElement
    
    Element decides if it can be safely closed. The element shall just return a value (created by MultiViewFactory.createCloseState() factory method), not open any UI, that is a semantical difference from TopComponent.canClose(). The CloseOperationHandler is the centralized place to show dialogs to the user. In cases when the element is consistent, just return CloseOperationState.STATE_OK.
    
    Specified by:
    
    canCloseElement in interface MultiViewElement
  - getEditorPane
```
public javax.swing.JEditorPane getEditorPane()
```
    Specified by:
    
    getEditorPane in interface org.openide.text.CloneableEditorSupport.Pane
  - getComponent
```
public org.openide.windows.CloneableTopComponent getComponent()
```
    Specified by:
    
    getComponent in interface org.openide.text.CloneableEditorSupport.Pane
  - updateName
```
public void updateName()
```
    Specified by:
    
    updateName in interface org.openide.text.CloneableEditorSupport.Pane
  - ensureVisible
```
public void ensureVisible()
```
    Specified by:
    
    ensureVisible in interface org.openide.text.CloneableEditorSupport.Pane

Class MultiViewEditorElement

Nested Class Summary

Nested classes/interfaces inherited from interface org.netbeans.core.spi.multiview.MultiViewElement

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

MultiViewEditorElement

Method Detail

getVisualRepresentation

getToolbarRepresentation

getActions

getLookup

componentOpened

componentClosed

componentShowing

componentHidden

componentActivated

componentDeactivated

getUndoRedo

setMultiViewCallback

canCloseElement

getEditorPane

getComponent

updateName

ensureVisible