下面列出了org.eclipse.jface.viewers.TreeViewer#setInput ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
public void createControl(Composite parent) {
super.createControl(parent);
// create the context actions
createActions();
TreeViewer viewer = getTreeViewer();
viewer.setContentProvider(new BibContentProvider(editor.getDocumentProvider().getDocument(editor.getEditorInput())));
viewer.setLabelProvider(new BibLabelProvider());
viewer.addSelectionChangedListener(this);
createToolbar();
createContextMenu();
if (this.content != null) {
viewer.setInput(this.content);
}
// if (this.sortIndex != null) {
// viewer.setInput(this.sortIndex);
// }
}
/**
* The editor is saved, so we should refresh representation
*
* @param tableNamePositions
*/
public void update()
{
//set the input so that the outlines parse can be called
//update the tree viewer state
TreeViewer viewer = getTreeViewer();
if (viewer != null)
{
Control control = viewer.getControl();
if (control != null && !control.isDisposed())
{
try{
control.setRedraw(false);
viewer.setInput(input);
}
finally{
control.setRedraw(true);
}
}
}
}
/**
* Creates tree viewer to manage content
*
* @param parent
* parent control
*/
private void createTreeViewer(Composite parent) {
int style = SWT.H_SCROLL | SWT.V_SCROLL;
// Create the tree
Tree widget = new Tree(parent, style);
// Configure the layout
GridData data = new GridData(GridData.FILL_BOTH);
data.heightHint = widget.getItemHeight() * 12;
widget.setLayoutData(data);
treeViewer = new TreeViewer(widget);
namePatternFilter = new QuickOutlineNamePatternFilter();
treeViewer.addFilter(namePatternFilter);
treeContentProvider = getContentProvider();
treeViewer.setContentProvider(treeContentProvider);
treeLabelProvider = getLabelProvider();
treeViewer.setLabelProvider(treeLabelProvider);
treeViewer.setAutoExpandLevel(AbstractTreeViewer.ALL_LEVELS);
treeViewer.setUseHashlookup(true);
treeViewer.setInput(getInitialInput());
}
protected void createViewer(Composite parent, AbstractBdmFormPage formPage) {
viewer = new TreeViewer(parent, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER | SWT.FULL_SELECTION);
viewer.getTree().setLayoutData(GridDataFactory.fillDefaults().span(2, 1).grab(true, true).create());
formPage.getToolkit().adapt(viewer.getTree());
viewer.getTree().setData(SWTBotConstants.SWTBOT_WIDGET_ID_KEY, BUSINESS_OBJECT_LIST_VIEWER_ID);
viewer.addFilter(createSearchFilter());
viewer.addDoubleClickListener(e -> {
viewer.setExpandedState(selectionObservable.getValue(),
!viewer.getExpandedState(selectionObservable.getValue()));
});
ColumnViewerToolTipSupport.enableFor(viewer);
TableLayout layout = new TableLayout();
layout.addColumnData(new ColumnWeightData(1, true));
viewer.getTree().setLayout(layout);
viewer.setUseHashlookup(true);
createBusinessObjectColumn(viewer, formPage);
viewer.setContentProvider(new BusinessObjectTreeContentProvider());
viewer.setComparator(new BusinessObjectViewerComparator());
viewer.setInput(input);
addDNDSupport(formPage);
selectionObservable = ViewerProperties.singleSelection(Object.class).observe(viewer);
}
private TreeViewer createViewer(Composite parent) {
TreeViewer treeViewer= new TreeViewer(parent, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
GridData gd= new GridData(GridData.FILL_BOTH);
gd.widthHint= convertWidthInCharsToPixels(40);
gd.heightHint= convertHeightInCharsToPixels(15);
treeViewer.getTree().setLayoutData(gd);
treeViewer.setLabelProvider(new JavaElementLabelProvider(JavaElementLabelProvider.SHOW_SMALL_ICONS));
treeViewer.setContentProvider(new DestinationContentProvider(getDestinationValidator()));
treeViewer.setComparator(new JavaElementComparator());
treeViewer.setInput(JavaCore.create(ResourcesPlugin.getWorkspace().getRoot()));
return treeViewer;
}
private void createContentTypeTreeViewer(Composite composite) {
TreeViewer contentTypesViewer = new TreeViewer(composite,
SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
contentTypesViewer.getControl().setFont(composite.getFont());
contentTypesViewer.setContentProvider(new ContentTypesContentProvider());
contentTypesViewer.setLabelProvider(new ContentTypesLabelProvider());
contentTypesViewer.setComparator(new ViewerComparator());
contentTypesViewer.setInput(Platform.getContentTypeManager());
GridData data = new GridData(GridData.FILL_HORIZONTAL);
data.horizontalSpan = 2;
contentTypesViewer.getControl().setLayoutData(data);
contentTypesViewer.addSelectionChangedListener(event -> contentTypeText
.setText(((IContentType) event.getStructuredSelection().getFirstElement()).toString()));
}
private void buildTree(TreeViewer treeViewer) {
Optional<Model> m = ModelRegistryPlugin.getModelRegistry().getActiveTaxonomy();
TreeContentProvider contentProvider = new TreeContentProvider(treeViewer);
treeViewer.setContentProvider(contentProvider);
treeViewer.setLabelProvider(new DefaultEObjectLabelProvider());
treeViewer.setSorter(null);
if(m.isPresent()) {
treeViewer.setInput(m.get());
}
}
/**
* @since 2.8
*/
protected void showBusyStatus() {
TreeViewer treeViewer = getTreeViewer();
treeViewer.setLabelProvider(busyLabelProvider);
treeViewer.setContentProvider(new TreeNodeContentProvider());
treeViewer.setInput(new TreeNode[] { new TreeNode("Loading...") });
}
private void buildTree(TreeViewer treeViewer) {
Optional<Model> m = ModelRegistryPlugin.getModelRegistry().getActiveTaxonomy();
TreeContentProvider contentProvider = new TreeContentProvider(treeViewer);
treeViewer.setContentProvider(contentProvider);
treeViewer.setLabelProvider(new DefaultEObjectLabelProvider());
treeViewer.setSorter(null);
if(m.isPresent())
treeViewer.setInput(m.get());
}
protected void update() {
final IDocument document = documentProvider.getDocument(currentInput);
if (document instanceof JsonDocument) {
final Model model = ((JsonDocument) document).getModel();
if (model == null) {
return;
}
final TreeViewer viewer = getTreeViewer();
if (viewer != null && viewer.getControl() != null && !viewer.getControl().isDisposed()) {
// we keep all elements that have been previously expanded
// so the tree stay in the same state between updates.
final Object[] expandedElements = viewer.getExpandedElements();
final List<Object> elements = expandedElements != null ? Arrays.asList(expandedElements) : null;
viewer.setInput(model);
if (elements != null && !elements.isEmpty()) {
List<AbstractNode> newElements = new ArrayList<>();
model.allNodes().forEach(node -> {
if (elements.contains(node))
newElements.add(node);
});
viewer.setExpandedElements(newElements.toArray());
}
}
}
}
/**
* This is a callback that will allow us to create the viewer and initialize
* it.
*/
@Override
public void createPartControl(Composite parent) {
final SashForm sashForm = new SashForm(parent, SWT.NONE);
final SashForm sashForm2 = new SashForm(sashForm, SWT.NONE);
tsfviewer = new TimeGraphViewer(sashForm2, SWT.NONE);
tsfviewer.setTimeGraphProvider(new TsfImplProvider());
tsfviewer2 = new TimeGraphViewer(sashForm2, SWT.NONE);
tsfviewer2.setTimeGraphProvider(new TsfImplProvider());
viewer = new TreeViewer(sashForm, SWT.MULTI | SWT.H_SCROLL
| SWT.V_SCROLL);
drillDownAdapter = new DrillDownAdapter(viewer);
viewer.setContentProvider(new ViewContentProvider());
viewer.setLabelProvider(new ViewLabelProvider());
viewer.setComparator(new ViewerComparator());
viewer.setInput(getViewSite());
sashForm.setWeights(new int[] { 5, 1 });
sashForm2.setWeights(new int[] { 1, 1 });
fact = new TraceModelImplFactory();
ITimeGraphEntry[] traceArr = fact.createTraces();
tsfviewer.setInput(traceArr);
tsfviewer.addSelectionListener(this);
tsfviewer.addRangeListener(this);
tsfviewer.setTimeFormat(TimeFormat.CALENDAR);
tsfviewer2.setInput(traceArr);
tsfviewer2.addSelectionListener(this);
tsfviewer2.addRangeListener(this);
// tsfviewer2.setTimeFormat(TimeGraphViewer.timeFormat.epoch);
makeActions();
hookContextMenu();
hookDoubleClickAction();
contributeToActionBars();
}
public Preview(Composite composite) {
SWTUtils.createLabel(composite, Policy.bind("SVNDecoratorPreferencesPage.preview")); //$NON-NLS-1$
fImageCache= new LocalResourceManager(JFaceResources.getResources());
fViewer = new TreeViewer(composite);
GridData data = SWTUtils.createHVFillGridData();
data.heightHint = 225;
fViewer.getControl().setLayoutData(data);
fViewer.setContentProvider(this);
fViewer.setLabelProvider(this);
fViewer.setInput(ROOT);
fViewer.expandAll();
}
@Override
public void createPartControl(Composite parent) {
FillLayout fillLayout = new FillLayout(SWT.VERTICAL);
fillLayout.marginHeight = 5;
fillLayout.marginWidth = 5;
parent.setLayout(fillLayout);
// main container
container = new Composite(parent, SWT.BORDER);
container.setLayout(new FillLayout());
// create container for stack trace data
Composite stacktraceDataContainer = new Composite(parent, SWT.BORDER);
FormLayout formLayout = new FormLayout();
formLayout.marginHeight = 5;
formLayout.marginWidth = 5;
formLayout.spacing = 5;
stacktraceDataContainer.setLayout(formLayout);
Composite stackLabelContainer = new Composite(stacktraceDataContainer, SWT.NO_SCROLL | SWT.SHADOW_NONE);
stackLabelContainer.setLayout(new GridLayout());
FormData stackLabelFormData = new FormData();
stackLabelFormData.top = new FormAttachment(0);
stackLabelFormData.left = new FormAttachment(0);
stackLabelFormData.right = new FormAttachment(100);
stackLabelFormData.bottom = new FormAttachment(20);
stackLabelContainer.setLayoutData(stackLabelFormData);
Composite stackTraceContainer = new Composite(stacktraceDataContainer, SWT.NO_SCROLL | SWT.SHADOW_NONE);
stackTraceContainer.setLayout(new FillLayout());
FormData stackTraceFormData = new FormData();
stackTraceFormData.top = new FormAttachment(stackLabelContainer);
stackTraceFormData.left = new FormAttachment(0);
stackTraceFormData.right = new FormAttachment(100);
stackTraceFormData.bottom = new FormAttachment(100);
stackTraceContainer.setLayoutData(stackTraceFormData);
// Create viewer for test tree in main container
testTreeViewer = new TreeViewer(container);
testTreeViewer.setContentProvider(new XpectContentProvider());
testTreeViewer.setLabelProvider(new XpectLabelProvider(this.testsExecutionStatus));
testTreeViewer.setInput(null);
// create stack trace label
stacktraceLabel = new Label(stackLabelContainer, SWT.SHADOW_OUT);
FontData fontData = stacktraceLabel.getFont().getFontData()[0];
Display display = Display.getCurrent();
// may be null if outside the UI thread
if (display == null)
display = Display.getDefault();
Font font = new Font(display, new FontData(fontData.getName(), fontData
.getHeight(), SWT.BOLD));
// Make stack trace label bold
stacktraceLabel.setFont(font);
stacktraceLabel.setText(NO_TRACE_MSG);
// create stack trace console
MessageConsole messageConsole = new MessageConsole("trace", null);
stacktraceConsole = new TraceConsole(messageConsole);
stacktraceConsoleViewer = new TextConsoleViewer(stackTraceContainer, messageConsole);
// context menu
getSite().setSelectionProvider(testTreeViewer);
MenuManager contextMenu = new MenuManager();
contextMenu.setRemoveAllWhenShown(true);
getSite().registerContextMenu(contextMenu, testTreeViewer);
Control control = testTreeViewer.getControl();
Menu menu = contextMenu.createContextMenu(control);
control.setMenu(menu);
activateContext();
createSelectionActions();
}
private void createParameterGroup( Composite composite )
{
final Group group2 = new Group( composite, SWT.NONE );
group2.setLayout( new GridLayout( ) );
group2.setLayoutData( new GridData( SWT.FILL,
SWT.FILL,
true,
true,
1,
8 ) );// GridData.FILL_BOTH));
group2.setText( Messages.getString( "PromptParameterDialog.parameterGroup.title" ) );
Label label1 = new Label( group2, SWT.NONE );
label1.setText( Messages.getString( "PromptParameterDialog.parameterGroup.label" ) );
TreeViewer viewer2 = new TreeViewer( group2, SWT.FULL_SELECTION );
Tree tableTree2 = viewer2.getTree( );
GridData gd = new GridData( GridData.FILL_BOTH );
tableTree2.setLayoutData( gd );
tableTree2.setHeaderVisible( true );
tableTree2.setLinesVisible( true );
TreeViewerColumn tvc21 = new TreeViewerColumn( viewer2, SWT.NONE );
tvc21.getColumn( )
.setText( Messages.getString( "PromptParameterDialog.parameterGroup.nameColumn" ) ); //$NON-NLS-1$
tvc21.getColumn( ).setWidth( 200 );
tvc21.setLabelProvider( new NameLabelProvider( selectedStatusMap ) );
tvc21.setEditingSupport( new ParameterEditingSupport( viewer2,
selectedStatusMap ) );
TreeViewerColumn tvc22 = new TreeViewerColumn( viewer2, SWT.NONE );
tvc22.getColumn( )
.setText( Messages.getString( "PromptParameterDialog.parameterGroup.previousValue" ) ); //$NON-NLS-1$
tvc22.getColumn( ).setWidth( 200 );
tvc22.setLabelProvider( new PreviousValueLabelProvider( ) );
TreeViewerColumn tvc23 = new TreeViewerColumn( viewer2, SWT.NONE );
tvc23.getColumn( )
.setText( Messages.getString( "PromptParameterDialog.parameterGroup.revisedValue" ) ); //$NON-NLS-1$
tvc23.getColumn( ).setWidth( 200 );
tvc23.setLabelProvider( new RevisedValueLabelProvider( ) );
viewer2.setContentProvider( new ParameterContentProvider( ) );
viewer2.setInput( ( (IAmbiguousOption) input ).getAmbiguousParameters( ) );
viewer2.expandAll( );
}
public void createControl(final Composite parent) {
Composite composite = new Composite(parent, SWT.NONE);
GridLayout gridLayout = new GridLayout();
gridLayout.marginWidth = 0;
gridLayout.marginHeight = 0;
composite.setLayout(gridLayout);
treeViewer = new TreeViewer(composite, SWT.BORDER | SWT.SINGLE | SWT.FULL_SELECTION);
GridData data = new GridData(GridData.FILL_BOTH);
Tree tree = treeViewer.getTree();
tree.setLayoutData(data);
tree.setHeaderVisible(true);
IUColumnConfig[] columns = getColumnConfig();
for (int i = 0; i < columns.length; i++) {
TreeColumn tc = new TreeColumn(tree, SWT.LEFT, i);
tc.setResizable(true);
tc.setText(columns[i].getColumnTitle());
tc.setWidth(columns[i].getWidthInPixels(tree));
}
contentProvider = new ProvElementContentProvider();
treeViewer.setContentProvider(contentProvider);
labelProvider = new IUDetailsLabelProvider(null, getColumnConfig(), getShell());
treeViewer.setLabelProvider(labelProvider);
setControl(composite);
final Runnable runnable = new Runnable() {
public void run() {
// updateStatus(input, operation);
setDrilldownElements(input, operation);
treeViewer.setInput(input);
}
};
if (operation != null && !operation.hasResolved()) {
try {
getContainer().run(true, false, new IRunnableWithProgress() {
public void run(IProgressMonitor monitor) {
operation.resolveModal(monitor);
parent.getDisplay().asyncExec(runnable);
}
});
} catch (Exception e) {
StatusManager.getManager().handle(new Status(IStatus.ERROR, ProvUIActivator.PLUGIN_ID, e.getMessage(), e));
}
} else {
runnable.run();
}
}
/**
* Creates the columns for the view
*/
@Override
public void createPartControl(Composite parent) {
Tree main =
new Tree(parent, SWT.SINGLE | SWT.FULL_SELECTION | SWT.H_SCROLL
| SWT.V_SCROLL);
main.setHeaderVisible(true);
main.setLinesVisible(false);
main.setLayoutData(new GridData(GridData.FILL_BOTH));
TreeColumn serverCol = new TreeColumn(main, SWT.SINGLE);
serverCol.setText("Location");
serverCol.setWidth(300);
serverCol.setResizable(true);
TreeColumn locationCol = new TreeColumn(main, SWT.SINGLE);
locationCol.setText("Master node");
locationCol.setWidth(185);
locationCol.setResizable(true);
TreeColumn stateCol = new TreeColumn(main, SWT.SINGLE);
stateCol.setText("State");
stateCol.setWidth(95);
stateCol.setResizable(true);
TreeColumn statusCol = new TreeColumn(main, SWT.SINGLE);
statusCol.setText("Status");
statusCol.setWidth(300);
statusCol.setResizable(true);
viewer = new TreeViewer(main);
viewer.setContentProvider(this);
viewer.setLabelProvider(this);
viewer.setInput(CONTENT_ROOT); // don't care
getViewSite().setSelectionProvider(viewer);
getViewSite().getActionBars().setGlobalActionHandler(
ActionFactory.DELETE.getId(), deleteAction);
getViewSite().getActionBars().getToolBarManager().add(editServerAction);
getViewSite().getActionBars().getToolBarManager().add(newLocationAction);
createActions();
createContextMenu();
}
/**
* Creates the UI part of the page.
*
* @param parent the parent of the created widgets
*/
public void createControl(Composite parent) {
Composite composite = createComposite(parent, 1);
// set F1 help
PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, IHelpContextIds.MOVE_RENAME_REMOTE_RESOURCE_PAGE);
Listener listener = new Listener() {
public void handleEvent(Event event) {
resourceName = resourceNameText.getText();
validateFields();
}
};
// the text field for the parent folder
createLabel(composite, Policy.bind("MoveRemoteResourceWizardMainPage.selectParentUrl")); //$NON-NLS-1$
urlParentText = createTextField(composite);
urlParentText.addListener(SWT.Selection, listener);
urlParentText.addListener(SWT.Modify, listener);
urlParentText.setEditable(false);
// Create drill down.
DrillDownComposite drillDown = new DrillDownComposite(composite, SWT.BORDER);
GridData spec = new GridData(GridData.FILL_BOTH);
spec.widthHint = LIST_WIDTH;
spec.heightHint = LIST_HEIGHT;
drillDown.setLayoutData(spec);
// Create tree viewer inside drill down.
viewer = new TreeViewer(drillDown, SWT.H_SCROLL | SWT.V_SCROLL);
drillDown.setChildTree(viewer);
viewer.setLabelProvider(new WorkbenchLabelProvider());
viewer.setContentProvider(new RemoteContentProvider());
viewer.setInput(new AllRootsElement());
viewer.addFilter(RepositoryFilters.FOLDERS_ONLY);
viewer.addSelectionChangedListener(treeSelectionChangedListener);
// the text field for the resource name
createLabel(composite, Policy.bind("MoveRemoteResourceWizardMainPage.resourceName")); //$NON-NLS-1$
resourceNameText = createTextField(composite);
resourceNameText.addListener(SWT.Selection, listener);
resourceNameText.addListener(SWT.Modify, listener);
resourceNameText.setText(resourceName);
validateFields();
resourceNameText.setFocus();
setControl(composite);
// set the initial selection in the tree
if (parentFolder != null) {
Object toSelect = null;
if (parentFolder.getParent() == null) {
// the root folder : select the repository
toSelect = parentFolder.getRepository();
}
else
toSelect = parentFolder;
viewer.expandToLevel(toSelect,0);
viewer.setSelection(new StructuredSelection(toSelect),true);
}
}
/**
* Creates a tree viewer for the selection of single models of the given
* type. The input of the respective navigation element is already done in
* this method.
*/
public static TreeViewer forSingleSelection(Composite parent, ModelType type) {
TreeViewer viewer = createViewer(parent, false);
viewer.setInput(Navigator.findElement(type));
return viewer;
}
@Override
public Control createDialogArea(Composite parent) {
Composite res = (Composite) super.createDialogArea(parent);
if (type == null) {
try {
type = RepositoryManager.getInstance().getCurrentRepository().getJavaProject().findType(className);
} catch (JavaModelException e1) {
BonitaStudioLog.error(e1) ;
}
}
Label label = new Label(res, SWT.NONE);
label.setText(Messages.browseJava);
viewer = new TreeViewer(res, SWT.SINGLE | SWT.BORDER);
viewer.getControl().setLayoutData(GridDataFactory.fillDefaults().grab(true, true).hint(SWT.DEFAULT, 300).create());
//provider = new PojoWriteBrowserContentProvider();
// viewer.setContentProvider(provider);
viewer.setLabelProvider(new JavaUILabelProvider() {
@Override
public String getText(Object item) {
if (item instanceof String) {
return (String)item;
} else {
return super.getText(item);
}
}
});
viewer.addSelectionChangedListener(new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {
selection = (ITreeSelection) event.getSelection();
if (getButton(OK) != null) {
getButton(OK).setEnabled(isSetterOrDataSelected());
}
}
});
viewer.setInput(new Object());
// viewer.setSelection(new StructuredSelection(provider.getElements(new Object()))) ;
return res;
}
private void createXPathChooser(final Composite parent) {
final Composite composite = new Composite(parent, SWT.NONE);
composite.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());
final GridLayout gl = new GridLayout(1, false);
gl.marginHeight = 0;
gl.marginWidth = 0;
composite.setLayout(gl);
final Label label = new Label(composite, SWT.WRAP);
label.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).hint(SWT.DEFAULT, 30).create());
label.setText(Messages.selectElementLabel);
xsdViewer = new TreeViewer(composite);
provider = new XSDContentProvider(true);
xsdViewer.setComparer(new IElementComparer() {
@Override
public int hashCode(final Object element) {
return element.hashCode();
}
@Override
public boolean equals(final Object a, final Object b) {
if (a instanceof XSDFeature && b instanceof XSDFeature) {
final String aName = ((XSDFeature) a).getName();
final String bName = ((XSDFeature) b).getName();
if (aName.equals(bName)) {
return EcoreUtil.equals(((XSDFeature) a).getType(), ((XSDFeature) b).getType());
}
}
return a.equals(b);
}
});
xsdViewer.setContentProvider(provider);
final XSDLabelProvider labelProvider = new XSDLabelProvider();
xsdViewer.setLabelProvider(new DecoratingLabelProvider(labelProvider, labelProvider));
final GridData layoutData = new GridData(SWT.FILL, SWT.FILL, true, true);
layoutData.minimumHeight = 100;
xsdViewer.getControl().setLayoutData(GridDataFactory.fillDefaults().grab(true, true).hint(SWT.DEFAULT, 150).create());
xsdViewer.setInput(new Object());
text = new Text(composite, SWT.WRAP | SWT.BORDER);
text.setLayoutData(GridDataFactory.fillDefaults().hint(SWT.DEFAULT, 40).create());
xsdViewer.addSelectionChangedListener(new ISelectionChangedListener() {
@Override
public void selectionChanged(final SelectionChangedEvent event) {
final ITreeSelection selection = (ITreeSelection) xsdViewer.getSelection();
// final String xpath = computeXPath(selection, false);
// if (dataName != null) {
// if (xpath == null || xpath.isEmpty()) {
// text.setText(dataName);
// } else {
// text.setText(xpath);
// }
// }
text.redraw();
// typeCombo.setSelection(new StructuredSelection(XPathReturnType.getType(selection.getFirstElement())));
XPathExpressionEditor.this.fireSelectionChanged();
}
});
}