Examples with DragSourceAdapter org.eclipse.swt.dnd.DragSourceAdapter used on opensource projects

Example 1 with DragSourceAdapter

use of org.eclipse.swt.dnd.DragSourceAdapter in project tdi-studio-se by Talend.

the class DragDropManager method addDragSupport.

public void addDragSupport(final Control control, final IDragDropDelegate delegate) {
    DragSource dragSource = new DragSource(control, DND.DROP_MOVE | DND.DROP_COPY);
    dragSource.setTransfer(types);
    dragSource.addDragListener(new DragSourceAdapter() {

        @Override
        public void dragStart(DragSourceEvent event) {
            currentSelectionText = delegate.getDragItemsAsText();
            dropped = false;
        }

        @Override
        public void dragSetData(DragSourceEvent event) {
            // Get the selected items in the drag source
            event.data = currentSelectionText;
        }

        @Override
        public void dragFinished(DragSourceEvent event) {
            if (event.detail == DND.DROP_MOVE && dropped) {
                // remove selection
                delegate.removeDragItems(currentSelectionText);
            }
        }
    });
}

Example 2 with DragSourceAdapter

use of org.eclipse.swt.dnd.DragSourceAdapter in project bndtools by bndtools.

the class BundleCalculatedImportsPart method createSection.

private void createSection(Section section, FormToolkit toolkit) {
    // CREATE COMPONENTS
    section.setText(Messages.BundleCalculatedImportsPart_title);
    ToolBar toolbar = new ToolBar(section, SWT.FLAT);
    section.setTextClient(toolbar);
    final ToolItem showSelfImportsItem = new ToolItem(toolbar, SWT.CHECK);
    showSelfImportsItem.setImage(imgShowSelfImports);
    showSelfImportsItem.setToolTipText(Messages.BundleCalculatedImportsPart_tooltipShowSelfImports);
    Composite composite = toolkit.createComposite(section);
    section.setClient(composite);
    // toolkit.createLabel(composite,
    // Messages.BundleCalculatedImportsPart_description, SWT.WRAP);
    tree = toolkit.createTree(composite, SWT.MULTI | SWT.FULL_SELECTION | SWT.BORDER);
    viewer = new TreeViewer(tree);
    viewer.setContentProvider(new CapReqMapContentProvider());
    viewer.setLabelProvider(new RequirementWrapperLabelProvider(true));
    ColumnViewerToolTipSupport.enableFor(viewer);
    nonPkgFilter = new ViewerFilter() {

        @Override
        public boolean select(Viewer viewer, Object parent, Object element) {
            if (element instanceof RequirementWrapper)
                return PackageNamespace.PACKAGE_NAMESPACE.equals(((RequirementWrapper) element).requirement.getNamespace());
            return true;
        }
    };
    hideSelfImportsFilter = new ViewerFilter() {

        @Override
        public boolean select(Viewer viewer, Object parentElement, Object element) {
            if (element instanceof RequirementWrapper)
                return !((RequirementWrapper) element).resolved;
            return true;
        }
    };
    viewer.setFilters(new ViewerFilter[] { nonPkgFilter, hideSelfImportsFilter });
    viewer.addSelectionChangedListener(new ISelectionChangedListener() {

        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            getManagedForm().fireSelectionChanged(BundleCalculatedImportsPart.this, event.getSelection());
        }
    });
    viewer.addDragSupport(DND.DROP_MOVE | DND.DROP_COPY, new Transfer[] { LocalSelectionTransfer.getTransfer() }, new DragSourceAdapter() {

        @Override
        public void dragSetData(DragSourceEvent event) {
            LocalSelectionTransfer transfer = LocalSelectionTransfer.getTransfer();
            if (transfer.isSupportedType(event.dataType))
                transfer.setSelection(viewer.getSelection());
        }
    });
    viewer.addOpenListener(new IOpenListener() {

        @Override
        public void open(OpenEvent event) {
            IStructuredSelection selection = (IStructuredSelection) event.getSelection();
            for (Iterator<?> iter = selection.iterator(); iter.hasNext(); ) {
                Object item = iter.next();
                if (item instanceof Clazz) {
                    Clazz importUsedBy = (Clazz) item;
                    String className = importUsedBy.getFQN();
                    IType type = null;
                    IFile file = getEditorFile();
                    if (file != null) {
                        IJavaProject javaProject = JavaCore.create(file.getProject());
                        try {
                            type = javaProject.findType(className);
                        } catch (JavaModelException e) {
                            ErrorDialog.openError(tree.getShell(), Messages.BundleCalculatedImportsPart_error, Messages.BundleCalculatedImportsPart_errorFindingType, new Status(IStatus.ERROR, Plugin.PLUGIN_ID, 0, MessageFormat.format(Messages.BundleCalculatedImportsPart_errorOpeningClass, className), e));
                        }
                    }
                    try {
                        if (type != null)
                            JavaUI.openInEditor(type, true, true);
                    } catch (PartInitException e) {
                        ErrorDialog.openError(tree.getShell(), Messages.BundleCalculatedImportsPart_error, null, new Status(IStatus.ERROR, Plugin.PLUGIN_ID, 0, MessageFormat.format(Messages.BundleCalculatedImportsPart_errorOpeningJavaEditor, className), e));
                    } catch (JavaModelException e) {
                        ErrorDialog.openError(tree.getShell(), Messages.BundleCalculatedImportsPart_error, null, new Status(IStatus.ERROR, Plugin.PLUGIN_ID, 0, MessageFormat.format(Messages.BundleCalculatedImportsPart_errorOpeningClass, className), e));
                    }
                }
            }
        }
    });
    // LISTENERS
    showSelfImportsItem.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            boolean showSelfImports = showSelfImportsItem.getSelection();
            ViewerFilter[] filters = showSelfImports ? new ViewerFilter[] { nonPkgFilter } : new ViewerFilter[] { nonPkgFilter, hideSelfImportsFilter };
            viewer.setFilters(filters);
        }
    });
    // LAYOUT
    GridLayout layout = new GridLayout();
    layout.marginHeight = 0;
    layout.marginWidth = 0;
    layout.verticalSpacing = 2;
    composite.setLayout(layout);
    GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
    gd.heightHint = 75;
    gd.widthHint = 75;
    tree.setLayoutData(gd);
}