Examples of org.eclipse.ui.IWorkbenchPart

org.eclipse.ui.IWorkbenchPart
A workbench part is a visual component within a workbench page. There are two subtypes: view and editor, as defined by IViewPart and IEditorPart.
A view is typically used to navigate a hierarchy of information (like the workspace), open an editor, or display properties for the active editor. Modifications made in a view are saved immediately.
An editor is typically used to edit or browse a document or input object. The input is identified using an IEditorInput. Modifications made in an editor part follow an open-save-close lifecycle model.
This interface may be implemented directly. For convenience, a base implementation is defined in WorkbenchPart.
The lifecycle of a workbench part is as follows:
- When a part extension is created:
  - instantiate the part
  - create a part site
  - call part.init(site)
- When a part becomes visible in the workbench:
  - add part to presentation by calling part.createControl(parent) to create actual widgets
  - fire partOpened event to all listeners
- When a part is activated or gets focus:
  - call part.setFocus()
  - fire partActivated event to all listeners
- When a part is closed:
  - if save is needed, do save; if it fails or is canceled return
  - if part is active, deactivate part
  - fire partClosed event to all listeners
  - remove part from presentation; part controls are disposed as part of the SWT widget tree
  - call part.dispose()
After createPartControl has been called, the implementor may safely reference the controls created. When the part is closed these controls will be disposed as part of an SWT composite. This occurs before the IWorkbenchPart.dispose method is called. If there is a need to free SWT resources the part should define a dispose listener for its own control and free those resources from the dispose listener. If the part invokes any method on the disposed SWT controls after this point an SWTError will be thrown.

The last method called on IWorkbenchPart is dispose. This signals the end of the part lifecycle.

An important point to note about this lifecycle is that following a call to init, createControl may never be called. Thus in the dispose method, implementors must not assume controls were created.

Workbench parts implement the IAdaptable interface; extensions are managed by the platform's adapter manager.
@see IViewPart @see IEditorPart

        IEditorReference[] references = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage()
            .getEditorReferences();


        for ( IEditorReference reference : references )
        {
            IWorkbenchPart workbenchPart = reference.getPart( true );


            if ( ( workbenchPart instanceof ObjectClassEditor ) && ( wrapper instanceof ObjectClassWrapper ) )
            {
                ObjectClassEditor editor = ( ObjectClassEditor ) workbenchPart;
                ObjectClassWrapper ocw = ( ObjectClassWrapper ) wrapper;

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    }




    private IEntryEditor getEntryEditor( IWorkbenchPartReference partRef )
    {
        IWorkbenchPart part = partRef.getPart( false );
        if ( part != null && part instanceof IEntryEditor )
        {
            IEntryEditor entryEditor = ( IEntryEditor ) part;
            return entryEditor;
        }

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    private IWorkbenchPartReference getActivePartRef( List<IEntryEditor> editors )
    {
        for ( IEntryEditor editor : editors )
        {
            IWorkbenchPart part = ( IWorkbenchPart ) editor;
            IEditorPart activeEditor = part.getSite().getPage().getActiveEditor();
            if ( part == activeEditor )
            {
                IWorkbenchPartReference reference = part.getSite().getPage().getReference( part );
                return reference;
            }
        }
        return null;
    }

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    /* (non-Javadoc)
     * @see org.eclipse.jface.action.Action#run()
     */
    public void run()
    {
        IWorkbenchPart part = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActivePart();


        if ( part instanceof SchemaView )
        {
            openTypeHierarchyFromTreeViewer( ( ( SchemaView ) part ).getViewer() );
        }

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                if (editor!=null) {
                    return editor.getEditorSite().getActionBars().getStatusLineManager();
                }
            }
        }
        IWorkbenchPart activePart = activePage.getActivePart();
        if (activePart==null) {
            return null;
        }
        IWorkbenchPartSite site = activePart.getSite();
        if (site instanceof IEditorSite) {
            IEditorSite editorSite = (IEditorSite)site;
            return editorSite.getActionBars().getStatusLineManager();
        } else if (site instanceof IViewSite) {
            IViewSite viewSite = (IViewSite)site;

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        return callTree != null;
    }


    private CallHierarchyViewPart getCallHierarchyPart(IWorkbenchPartReference partRef) {
        if (! partRef.getId().equals(CALL_HIERARCHY_REF.id)) return null;
        IWorkbenchPart part = partRef.getPart(true);
        if (!(part instanceof CallHierarchyViewPart)) return null;
        return (CallHierarchyViewPart) part;        
    }

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    public void partVisible(IWorkbenchPartReference partRef) {
        updateEditorSelection(partRef);        
    }


    private void updateEditorSelection(IWorkbenchPartReference partRef) {
        IWorkbenchPart part = partRef.getPart(true);
        if (!(part instanceof IEditorPart)) return;
        updateEditorSelection(part.getSite().getPage().getEditorReferences());
    }

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  protected IModule selectedModule;
  
  
  // Must first init selected server or module.  Or just override execute
  protected void initializeSelection(ExecutionEvent event) throws ExecutionException {
    IWorkbenchPart activePart = HandlerUtil.getActivePart(event);
    ISelection selection = activePart.getSite().getSelectionProvider().getSelection();
    if (selection instanceof IStructuredSelection) {
      Object obj = ((IStructuredSelection) selection).getFirstElement();
      if (obj instanceof IServer) {
        this.selectedServer = (IServer) obj;
      }

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{


    public boolean test(Object receiver, String property, Object[] args,
        Object expectedValue)
    {
        IWorkbenchPart part = (IWorkbenchPart) receiver;


        Object value;
        if ("partKind".equals(property))
        {
            if (part instanceof IEditorPart)
            {
                value = "editor";
            }
            else if (part instanceof IViewPart)
            {
                value = "view";
            }
            else
            {
                value = null;
            }
        }
        else if ("partId".equals(property))
        {
            value = part.getSite().getId();
        }
        else
        {
            value = null;
        }

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{


    public boolean test(Object receiver, String property, Object[] args,
        Object expectedValue)
    {
        IWorkbenchPart part = (IWorkbenchPart) receiver;


        boolean result = false;


        if (part instanceof IEditorPart)
        {

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