org.eclipse.ui.dialogs.FilteredTree#getViewer ( )源码实例Demo

@Override
protected Control createCustomArea(Composite parent) {
    final Composite container = new Composite(parent, parent.getStyle());
    container.setLayout(new GridLayout(1, false));
    container.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));

    final FilteredTree filteredTree = new FilteredTree(container, SWT.BORDER, new PatternFilter(), true);
    final TreeViewer treeViewer = filteredTree.getViewer();
    final Tree tree = treeViewer.getTree();
    final GridData gdTable = new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1);
    gdTable.minimumWidth = TABLE_MINIMUM_WIDTH;
    gdTable.minimumHeight = TABLE_MINIMUM_HEIGHT;
    tree.setLayoutData(gdTable);
    treeViewer.setContentProvider(new CollectionContentProvider());
    treeViewer.setLabelProvider(new LabelProvider());
    treeViewer.addSelectionChangedListener(new ISelectionChangedListener() {

        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            final Object selected = ((IStructuredSelection) event.getSelection()).getFirstElement();
            selectedType = (String) selected;
        }
    });
    treeViewer.setInput(getAvailableTypes(nsURIs));
    if (defaultType != null) {
        treeViewer.setSelection(new StructuredSelection(defaultType));
    }

    return container;
}
 

protected TreeViewer doCreateTreeViewer(Composite parent, int style) {
	FilteredTree tree = new FilteredTree(parent, style, new PatternFilter(), true);
	tree.setLayoutData(new GridData(GridData.FILL_BOTH));

	applyDialogFont(tree);

	TreeViewer viewer = tree.getViewer();
	return viewer;
}
 

@Override
protected TreeViewer doCreateTreeViewer(Composite parent, int style) {
	FilteredTree tree= new FilteredTreeWithFilter(parent, style, fInitialFilter, fIsDeepFiltering);
	tree.setLayoutData(new GridData(GridData.FILL_BOTH));

	applyDialogFont(tree);

	TreeViewer viewer= tree.getViewer();
	SWTUtil.setAccessibilityText(viewer.getControl(), Strings.removeMnemonicIndicator(getMessage()));
	return viewer;
}
 

private TreeViewer createFilteredTree(final Composite mainComposite) {
    final PatternFilter filter = new SearchPatternFilter();
    filter.setIncludeLeadingWildcard(true);
    filteredTree = new FilteredTree(mainComposite, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL, filter, true);
    final TreeViewer treeViewer = filteredTree.getViewer();
    treeViewer.getTree().setData(SWTBOT_WIDGET_ID_KEY, BONITA_OVERVIEW_TREE_ID);
    filteredTree.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());
    filteredTree.getFilterControl().setBackground(Display.getDefault().getSystemColor(SWT.COLOR_WHITE));
    filteredTree.setBackground(Display.getDefault().getSystemColor(SWT.COLOR_WHITE));
    return treeViewer;
}
 

protected Composite doCreateControl(final Composite parent, final DataBindingContext context) {
    final Composite mainComposite = new Composite(parent, SWT.NONE);
    mainComposite.setLayout(fillDefaults().numColumns(2).equalWidth(true).create());

    diagramTree = new FilteredTree(mainComposite, SWT.MULTI | SWT.BORDER, new PatternFilter(), false);
    final TreeViewer treeViewer = diagramTree.getViewer();
    treeViewer.getTree().setData(SWTBOT_WIDGET_ID_KEY, SWTBOT_ID_OPEN_DIAGRAM_TREE_ID);
    diagramTree
            .setLayoutData(GridDataFactory.fillDefaults().grab(true, true).span(2, 1).hint(SWT.DEFAULT, 250).create());

    treeViewer.setContentProvider(
            new ObservableListTreeContentProvider(diagramListObservableFactory(), diagramTreeStructure()));
    treeViewer.setLabelProvider(new DiagramLabelProvider(new FileStoreLabelProvider()));

    final IObservableList selectionObservable = PojoObservables.observeList(this, "selectedDiagrams");
    context.bindList(ViewersObservables.observeMultiSelection(diagramTree.getViewer()),
            selectionObservable);
    context.addValidationStatusProvider(new MultiValidator() {

        @Override
        protected IStatus validate() {
            return selectionObservable.isEmpty() ? ValidationStatus.error(Messages.noDiagramSelected)
                    : ValidationStatus.ok();
        }
    });
    treeViewer.addDoubleClickListener(new IDoubleClickListener() {

        @Override
        public void doubleClick(final DoubleClickEvent arg0) {
            final IWizard wizard = getWizard();
            if (wizard.canFinish() && wizard.performFinish() && wizard.getContainer() instanceof WizardDialog) {
                ((WizardDialog) wizard.getContainer()).close();
            }
        }
    });
    treeViewer.setInput(diagramRepositoryStore);
    treeViewer.getTree().setFocus();
    defaultSelection(selectionObservable);
    return mainComposite;
}
 

@Override
public void createPartControl(Composite parent) {
    // Filter that shows all children of a match node
    PatternFilter filter = new PatternFilter() {
        @Override
        protected boolean isLeafMatch(Viewer viewer, Object element) {
            ITraceControlComponent parentElement = (ITraceControlComponent) element;
            while (parentElement != null) {
                if (super.isLeafMatch(viewer, parentElement)) {
                    return true;
                }
                parentElement = parentElement.getParent();
            }
            return false;
        }
    };

    // Create filtered tree
    FilteredTree filteredTree = new FilteredTree(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL, filter, true) {
        @Override
        protected void updateToolbar(boolean visible) {
            super.updateToolbar(visible);
            treeViewer.expandToLevel(DEFAULT_EXPAND_LEVEL);
        }
    };

    fTreeViewer = filteredTree.getViewer();
    ColumnViewerToolTipSupport.enableFor(fTreeViewer);

    fTreeViewer.setContentProvider(new TraceControlContentProvider());
    fTreeViewer.setLabelProvider(new TraceControlLabelProvider());

    // Create model root
    fRoot = new TraceControlRoot();
    fRoot.addComponentListener(this);
    if (fInitialConnections != null) {
        for (IRemoteConnection rc : fInitialConnections) {
            TargetNodeComponent node = new TargetNodeComponent(rc.getName(), fRoot, rc);
            fRoot.addChild(node);
        }
        fInitialConnections = null;
    }
    fTreeViewer.setInput(fRoot);

    // Create context menu for the tree viewer
    createContextMenu();

    getSite().setSelectionProvider(fTreeViewer);
}
 

@Override
protected Control createDialogArea(Composite base) {
   Composite parent = (Composite) super.createDialogArea(base);
   Composite composite = new Composite(parent, SWT.NONE);
   
   GridLayout layout = new GridLayout();
   layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
   layout.marginWidth = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
   layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
   layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
   composite.setLayout(layout);
   composite.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());
   
   // Manage dialog tree content.
   FilteredTree tree = new FilteredTree(composite, SWT.SINGLE | SWT.BORDER,
         new PatternFilter(), true);

   projectTree = tree.getViewer();
   projectTree.setLabelProvider(new EIPModelTreeLabelProvider());
   projectTree.setContentProvider(new EIPModelTreeContentProvider());
   projectTree.setInput(ResourcesPlugin.getWorkspace().getRoot());
   
   GridDataFactory.fillDefaults().grab(true, true).hint(500, 300).applyTo(tree);
   
   // Manage dialog tree events.
   projectTree.addSelectionChangedListener(new ISelectionChangedListener() {
      @Override
      public void selectionChanged(SelectionChangedEvent event) {
         if (event.getSelection() instanceof TreeSelection) {
            TreeSelection tSelection = (TreeSelection)event.getSelection();
            if (tSelection.getFirstElement() instanceof IResource) {
               eipModel = (IResource) tSelection.getFirstElement();
            }
         }
      }
   });
   
   setTitle("Choose a target EIP model");
   setMessage("Select the EIP model for designing a new Route from Service");
   applyDialogFont(composite);
   
   return composite;
}
 

@Override
protected Control createDialogArea(Composite base) {
   Composite parent = (Composite) super.createDialogArea(base);
   Composite composite = new Composite(parent, SWT.NONE);
   
   GridLayout layout = new GridLayout();
   layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
   layout.marginWidth = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
   layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
   layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
   composite.setLayout(layout);
   composite.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());
   
   // Manage dialog tree content.
   FilteredTree tree = new FilteredTree(composite, SWT.SINGLE | SWT.BORDER,
         new PatternFilter(), true);

   projectTree = tree.getViewer();
   projectTree.setLabelProvider(new RouteTreeLabelProvider());
   projectTree.setContentProvider(new RouteTreeContentProvider());
   projectTree.setInput(ResourcesPlugin.getWorkspace().getRoot());
   
   GridDataFactory.fillDefaults().grab(true, true).hint(500, 300).applyTo(tree);
   
   // Manage dialog tree events.
   projectTree.addSelectionChangedListener(new ISelectionChangedListener() {
      @Override
      public void selectionChanged(SelectionChangedEvent event) {
         if (event.getSelection() instanceof TreeSelection) {
            TreeSelection tSelection = (TreeSelection)event.getSelection();
            if (tSelection.getFirstElement() instanceof Route) {
               selectedRoute = (Route) tSelection.getFirstElement();
            }
         }
      }
   });
   
   setTitle("Compare '" + fileName + "' with an EIP Route model");
   setMessage("Select an EIP Route to compare the resource with");
   applyDialogFont(composite);
   
   return composite;
}
 

@Override
protected Control createDialogArea(Composite base) {
   Composite parent = (Composite) super.createDialogArea(base);
   Composite composite = new Composite(parent, SWT.NONE);
   
   GridLayout layout = new GridLayout();
   layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
   layout.marginWidth = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
   layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
   layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
   composite.setLayout(layout);
   composite.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());
   
   // Manage dialog tree content.
   FilteredTree tree = new FilteredTree(composite, SWT.SINGLE | SWT.BORDER,
         new PatternFilter(), true);

   projectTree = tree.getViewer();
   projectTree.setLabelProvider(new EIPModelTreeLabelProvider());
   projectTree.setContentProvider(new EIPModelTreeContentProvider());
   projectTree.setInput(ResourcesPlugin.getWorkspace().getRoot());
   
   GridDataFactory.fillDefaults().grab(true, true).hint(500, 300).applyTo(tree);
   
   // Manage dialog tree events.
   projectTree.addSelectionChangedListener(new ISelectionChangedListener() {
      @Override
      public void selectionChanged(SelectionChangedEvent event) {
         if (event.getSelection() instanceof TreeSelection) {
            TreeSelection tSelection = (TreeSelection)event.getSelection();
            if (tSelection.getFirstElement() instanceof IResource) {
               selectedEIPModel = (IResource) tSelection.getFirstElement();
            }
         }
      }
   });
   
   setTitle("Parse and merge '" + fileName + "' with an EIP Model");
   setMessage("Select an EIP Model to persist the parsed resource within");
   applyDialogFont(composite);
   
   return composite;
}
 

@Override
protected StructuredViewer createViewer(final Composite parent) {
    final FilteredTree fileredTree = new FilteredTree(parent, SWT.BORDER | SWT.MULTI | SWT.FULL_SELECTION, new PatternFilter(), true);
    ((Text) ((Composite) fileredTree.getChildren()[0]).getChildren()[0]).setMessage(Messages.search);
    fileredTree.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).minSize(200, 200).create());
    fileredTree.getViewer().setContentProvider(new GroupContentProvider());
    fileredTree.forceFocus();

    groupSingleSelectionObservable = ViewersObservables.observeSingleSelection(fileredTree.getViewer());
    groupSingleSelectionObservable.addValueChangeListener(new IValueChangeListener() {

        private final Adapter groupAdapter = new AdapterImpl() {

            /*
             * (non-Javadoc)
             * @see org.eclipse.emf.common.notify.impl.AdapterImpl#notifyChanged(org.eclipse.emf.common.notify.Notification)
             */
            @Override
            public void notifyChanged(Notification notification) {
                switch (notification.getFeatureID(org.bonitasoft.studio.actors.model.organization.Group.class)) {
                    case OrganizationPackage.GROUP__NAME:
                        handleGroupNameChange(notification);
                        break;
                    default:
                        break;
                }
                super.notifyChanged(notification);
            }
        };

        @Override
        public void handleValueChange(final ValueChangeEvent event) {
            final org.bonitasoft.studio.actors.model.organization.Group previousGroup = (org.bonitasoft.studio.actors.model.organization.Group) event.diff
                    .getOldValue();
            if (previousGroup != null) {
                previousGroup.eAdapters().remove(groupAdapter);
            }
            final org.bonitasoft.studio.actors.model.organization.Group selectedGroup = (org.bonitasoft.studio.actors.model.organization.Group) event.diff
                    .getNewValue();

            if (selectedGroup != null) {
                setControlEnabled(getInfoGroup(), true);
                selectedGroup.eAdapters().add(groupAdapter);
                addSubGroupButton.setEnabled(true);
            } else {
                addSubGroupButton.setEnabled(false);
                setControlEnabled(getInfoGroup(), false);
            }

        }
    });

    return fileredTree.getViewer();
}
 

@Override
public void createControl(Composite parent) {
	Composite mainComposite = new Composite(parent, SWT.NONE) ;
	mainComposite.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create()) ;
	mainComposite.setLayout(GridLayoutFactory.fillDefaults().numColumns(1).create()) ;
	
	databindingContext = new DataBindingContext() ;
	
	final FilteredTree tree = new FilteredTree(mainComposite, SWT.FULL_SELECTION | SWT.BORDER | SWT.SINGLE,new PatternFilter(), false) ;
	tree.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create()) ;
	TreeViewer viewer = tree.getViewer() ;
	viewer.setContentProvider(new ProcessContentProvider()) ;
	viewer.setLabelProvider(new ProcessTreeLabelProvider()) ;

	UpdateValueStrategy startegy = new UpdateValueStrategy() ;
	startegy.setBeforeSetValidator(new IValidator() {
		
		@Override
		public IStatus validate(Object value) {
			if(value  instanceof AbstractProcess && !(value instanceof MainProcess)){
				return Status.OK_STATUS ;
			}
			return ValidationStatus.error(Messages.mustSelectProcessError);
		}
	}) ;

	if(diagram == null){
		viewer.setInput(new Object[]{ProcessContentProvider.OTHER_PROCESSES}) ;
	}else{
		viewer.setInput(new Object[]{diagram,ProcessContentProvider.OTHER_PROCESSES}) ;
	}

	if(diagram != null){
		if(((ITreeContentProvider) viewer.getContentProvider()).hasChildren(diagram)){
			viewer.expandToLevel(diagram, 1) ;
		}
	}else{
		if(((ITreeContentProvider) viewer.getContentProvider()).hasChildren(ProcessContentProvider.OTHER_PROCESSES)){
			viewer.expandToLevel(ProcessContentProvider.OTHER_PROCESSES, 1) ;
		}
	}
	
	WizardPageSupport.create(this,databindingContext) ;
	databindingContext.bindValue(ViewersObservables.observeSingleSelection(viewer), PojoObservables.observeValue(this, "selection"),startegy,null) ;


	
	setControl(mainComposite) ;
}