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

Example 6 with DragSourceEvent

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

the class AvailableBundlesPart method createClient.

private void createClient(Section section, FormToolkit toolkit) {
    section.setText("Browse Repos");
    // Create contents
    Composite container = toolkit.createComposite(section);
    section.setClient(container);
    GridLayout layout = new GridLayout(1, false);
    layout.marginWidth = 0;
    layout.marginHeight = 0;
    container.setLayout(layout);
    txtSearch = toolkit.createText(container, "", SWT.SEARCH | SWT.ICON_SEARCH | SWT.ICON_CANCEL | SWT.BORDER);
    txtSearch.setMessage("Enter search string");
    txtSearch.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
    Tree tree = toolkit.createTree(container, SWT.BORDER | SWT.FULL_SELECTION | SWT.MULTI | SWT.V_SCROLL);
    tree.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1));
    viewer = new TreeViewer(tree);
    contentProvider.setShowRepos(false);
    viewer.setContentProvider(contentProvider);
    viewer.setLabelProvider(new RepositoryTreeLabelProvider(true));
    viewer.setFilters(new ViewerFilter[] { includedRepoFilter });
    txtSearch.addModifyListener(new ModifyListener() {

        @Override
        public void modifyText(ModifyEvent e) {
            if (scheduledFilterUpdate != null)
                scheduledFilterUpdate.cancel(true);
            searchStr = txtSearch.getText();
            scheduledFilterUpdate = Plugin.getDefault().getScheduler().schedule(updateFilterTask, SEARCH_DELAY, TimeUnit.MILLISECONDS);
        }
    });
    txtSearch.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetDefaultSelected(SelectionEvent e) {
            if (scheduledFilterUpdate != null)
                scheduledFilterUpdate.cancel(true);
            scheduledFilterUpdate = null;
            searchStr = txtSearch.getText();
            updateFilterTask.run();
        }
    });
    viewer.addDragSupport(DND.DROP_COPY | DND.DROP_MOVE, new Transfer[] { LocalSelectionTransfer.getTransfer() }, new SelectionDragAdapter(viewer) {

        @Override
        public void dragStart(DragSourceEvent event) {
            IStructuredSelection selection = (IStructuredSelection) viewer.getSelection();
            if (!selection.isEmpty()) {
                LocalSelectionTransfer.getTransfer().setSelection(selection);
                LocalSelectionTransfer.getTransfer().setSelectionSetTime(event.time & 0xFFFFFFFFL);
            } else {
                event.doit = false;
            }
        }
    });
}

Example 7 with DragSourceEvent

use of org.eclipse.swt.dnd.DragSourceEvent 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);
}