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

Example 91 with Transfer

use of org.eclipse.swt.dnd.Transfer in project knime-core by knime.

the class WorkflowCoachView method createPartControl.

/**
 * {@inheritDoc}
 */
@Override
public void createPartControl(final Composite parent) {
    m_viewer = new TableViewer(parent, SWT.V_SCROLL | SWT.FULL_SELECTION) {

        @Override
        public ISelection getSelection() {
            ISelection sel = super.getSelection();
            if (!sel.isEmpty() && sel instanceof IStructuredSelection) {
                IStructuredSelection ss = (IStructuredSelection) sel;
                if (ss.getFirstElement() instanceof NodeRecommendation[]) {
                    // turn node recommendation selection into a node template selection
                    NodeRecommendation[] nps = (NodeRecommendation[]) ss.getFirstElement();
                    return new StructuredSelection(new Object[] { getNonNullEntry(nps).getNodeTemplate() });
                }
            }
            return sel;
        }
    };
    getSite().setSelectionProvider(m_viewer);
    m_viewer.setComparator(new TableColumnSorter(m_viewer));
    Table table = m_viewer.getTable();
    // drag & drop
    Transfer[] transfers = new Transfer[] { LocalSelectionTransfer.getTransfer() };
    m_viewer.addDragSupport(DND.DROP_COPY | DND.DROP_MOVE, transfers, new WorkflowCoachDragSource(this));
    // column configuration
    TableColumn column = new TableColumn(table, SWT.LEFT, 0);
    column.setText("Recommended Nodes");
    column.setToolTipText("Nodes recommended to use next (e.g. based on the currently selected node).");
    column.setWidth(200);
    table.setHeaderVisible(true);
    table.setLinesVisible(false);
    m_viewer.setContentProvider(new WorkflowCoachContentProvider());
    m_viewer.setLabelProvider(new WorkflowCoachLabelProvider());
    m_viewer.getTable().setLayoutData(new GridData(GridData.FILL_BOTH));
    getViewSite().getPage().addSelectionListener(this);
    hookDoubleClickAction();
    // actions
    IToolBarManager toolbarMGR = getViewSite().getActionBars().getToolBarManager();
    toolbarMGR.add(new ConfigureAction(m_viewer));
    updateInput("Waiting for node repository to be loaded ...");
    m_loadState.set(LoadState.LoadingNodes);
    Job nodesLoader = new KNIMEJob("Workflow Coach loader", FrameworkUtil.getBundle(getClass())) {

        @Override
        protected IStatus run(final IProgressMonitor monitor) {
            // wait until the repository is fully loaded
            RepositoryManager.INSTANCE.getRoot();
            if (m_loadState.get() == LoadState.Disposed) {
                return Status.CANCEL_STATUS;
            } else if (monitor.isCanceled()) {
                m_loadState.set(LoadState.Initizalized);
                return Status.CANCEL_STATUS;
            } else {
                // check for update if necessary
                updateInput("Loading recommendations...");
                checkForStatisticUpdates();
            }
            m_loadState.set(LoadState.Initizalized);
            NodeRecommendationManager.getInstance().addUpdateListener(WorkflowCoachView.this);
            updateFrequencyColumnHeadersAndToolTips();
            updateInput(StructuredSelection.EMPTY);
            return Status.OK_STATUS;
        }
    };
    nodesLoader.setSystem(true);
    nodesLoader.schedule();
    // if the 'send anonymous statistics'-property has been changed, try updating the workflow coach
    KNIMECorePlugin.getDefault().getPreferenceStore().addPropertyChangeListener(e -> {
        if (e.getProperty().equals(HeadlessPreferencesConstants.P_SEND_ANONYMOUS_STATISTICS)) {
            if (e.getNewValue().equals(Boolean.TRUE)) {
                // enable the community recommendations
                PREFS.setValue(WorkflowCoachPreferenceInitializer.P_COMMUNITY_NODE_TRIPLE_PROVIDER, true);
                try {
                    PREFS.save();
                } catch (Exception e1) {
                    throw new RuntimeException(e1);
                }
                updateInput(StructuredSelection.EMPTY);
            }
        }
    });
}

Example 92 with Transfer

use of org.eclipse.swt.dnd.Transfer in project yamcs-studio by yamcs.

the class CopyEventDetailsHandler method execute.

@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
    ISelection sel = HandlerUtil.getActiveWorkbenchWindow(event).getActivePage().getSelection();
    if (sel != null && sel instanceof IStructuredSelection) {
        IStructuredSelection selection = (IStructuredSelection) sel;
        String property = event.getParameter(EventLog.CMDPARAM_EVENT_PROPERTY);
        StringBuilder text = new StringBuilder();
        Iterator<?> it = selection.iterator();
        while (it.hasNext()) {
            Event rec = (Event) it.next();
            switch(property) {
                case PARAM_MESSAGE:
                    text.append(rec.getMessage());
                    break;
                case PARAM_SOURCE:
                    text.append(rec.getSource());
                    break;
                case PARAM_TYPE:
                    text.append(rec.getSource());
                    break;
                case PARAM_GENTIME:
                    text.append(rec.getGenerationTimeUTC());
                    break;
                case PARAM_RECTIME:
                    text.append(rec.getReceptionTimeUTC());
                    break;
                case PARAM_SEQNO:
                    text.append(rec.getSeqNumber());
                    break;
                case PARAM_SEVERITY:
                    text.append(rec.getSeverity());
                    break;
                default:
                    throw new IllegalStateException("Unexpected property: " + property);
            }
            if (it.hasNext()) {
                text.append("\n");
            }
        }
        Display display = Display.getCurrent();
        Clipboard clipboard = new Clipboard(display);
        Transfer[] transfers = new Transfer[] { TextTransfer.getInstance() };
        clipboard.setContents(new Object[] { text.toString() }, transfers);
        clipboard.dispose();
    }
    return null;
}

Example 93 with Transfer

use of org.eclipse.swt.dnd.Transfer in project yamcs-studio by yamcs.

the class CopyEventHandler method execute.

@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
    ISelection sel = HandlerUtil.getActiveWorkbenchWindow(event).getActivePage().getSelection();
    if (sel != null && sel instanceof IStructuredSelection) {
        IStructuredSelection selection = (IStructuredSelection) sel;
        StringBuilder text = new StringBuilder("Severity\tMessage\tType\tSource\tGeneration\tReception\tSequence Number\n");
        Iterator<?> it = selection.iterator();
        while (it.hasNext()) {
            Event rec = (Event) it.next();
            text.append(rec.getSeverity()).append("\t").append(rec.getMessage()).append("\t").append(rec.getType()).append("\t").append(rec.getSource()).append("\t").append(rec.getGenerationTimeUTC()).append("\t").append(rec.getReceptionTimeUTC()).append("\t").append(rec.getSeqNumber()).append("\n");
        }
        Display display = Display.getCurrent();
        Clipboard clipboard = new Clipboard(display);
        Transfer[] transfers = new Transfer[] { TextTransfer.getInstance() };
        clipboard.setContents(new Object[] { text.toString() }, transfers);
        clipboard.dispose();
    }
    return null;
}

Example 94 with Transfer

use of org.eclipse.swt.dnd.Transfer in project eclipse.platform.swt by eclipse.

the class ClipboardExample method createFileTransfer.

void createFileTransfer(Composite copyParent, Composite pasteParent) {
    // File Transfer
    Label l = new Label(copyParent, SWT.NONE);
    // $NON-NLS-1$
    l.setText("FileTransfer:");
    GridData data = new GridData();
    data.verticalSpan = 3;
    l.setLayoutData(data);
    final Table copyFileTable = new Table(copyParent, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    data = new GridData(GridData.FILL_BOTH);
    data.widthHint = HSIZE;
    data.heightHint = VSIZE;
    data.verticalSpan = 3;
    copyFileTable.setLayoutData(data);
    Button b = new Button(copyParent, SWT.PUSH);
    b.setText("Select file(s)");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        FileDialog dialog = new FileDialog(shell, SWT.OPEN | SWT.MULTI);
        String result = dialog.open();
        if (result != null && result.length() > 0) {
            String path = dialog.getFilterPath();
            String[] names = dialog.getFileNames();
            for (String name : names) {
                TableItem item = new TableItem(copyFileTable, SWT.NONE);
                item.setText(path + File.separator + name);
            }
        }
    }));
    b = new Button(copyParent, SWT.PUSH);
    b.setText("Select directory");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        DirectoryDialog dialog = new DirectoryDialog(shell, SWT.OPEN);
        String result = dialog.open();
        if (result != null && result.length() > 0) {
            // copyFileTable.removeAll();
            TableItem item = new TableItem(copyFileTable, SWT.NONE);
            item.setText(result);
        }
    }));
    b = new Button(copyParent, SWT.PUSH);
    b.setText("Copy");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        TableItem[] items = copyFileTable.getItems();
        if (items.length > 0) {
            status.setText("");
            String[] itemsData = new String[items.length];
            for (int i = 0; i < itemsData.length; i++) {
                itemsData[i] = items[i].getText();
            }
            clipboard.setContents(new Object[] { itemsData }, new Transfer[] { FileTransfer.getInstance() });
        } else {
            status.setText("No file to copy");
        }
    }));
    l = new Label(pasteParent, SWT.NONE);
    // $NON-NLS-1$
    l.setText("FileTransfer:");
    final Table pasteFileTable = new Table(pasteParent, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    data = new GridData(GridData.FILL_BOTH);
    data.widthHint = HSIZE;
    data.heightHint = VSIZE;
    pasteFileTable.setLayoutData(data);
    b = new Button(pasteParent, SWT.PUSH);
    b.setText("Paste");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        String[] textData = (String[]) clipboard.getContents(FileTransfer.getInstance());
        if (textData != null && textData.length > 0) {
            status.setText("");
            pasteFileTable.removeAll();
            for (String element : textData) {
                TableItem item = new TableItem(pasteFileTable, SWT.NONE);
                item.setText(element);
            }
        } else {
            status.setText("No file to paste");
        }
    }));
}

Example 95 with Transfer

use of org.eclipse.swt.dnd.Transfer in project eclipse.platform.swt by eclipse.

the class ClipboardExample method createImageTransfer.

void createImageTransfer(Composite copyParent, Composite pasteParent) {
    final Image[] copyImage = new Image[] { null };
    Label l = new Label(copyParent, SWT.NONE);
    // $NON-NLS-1$
    l.setText("ImageTransfer:");
    GridData data = new GridData();
    data.verticalSpan = 2;
    l.setLayoutData(data);
    final Canvas copyImageCanvas = new Canvas(copyParent, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    data = new GridData(GridData.FILL_BOTH);
    data.verticalSpan = 2;
    data.widthHint = HSIZE;
    data.heightHint = VSIZE;
    copyImageCanvas.setLayoutData(data);
    final Point copyOrigin = new Point(0, 0);
    final ScrollBar copyHBar = copyImageCanvas.getHorizontalBar();
    copyHBar.setEnabled(false);
    copyHBar.addListener(SWT.Selection, e -> {
        if (copyImage[0] != null) {
            int hSelection = copyHBar.getSelection();
            int destX = -hSelection - copyOrigin.x;
            Rectangle rect = copyImage[0].getBounds();
            copyImageCanvas.scroll(destX, 0, 0, 0, rect.width, rect.height, false);
            copyOrigin.x = -hSelection;
        }
    });
    final ScrollBar copyVBar = copyImageCanvas.getVerticalBar();
    copyVBar.setEnabled(false);
    copyVBar.addListener(SWT.Selection, e -> {
        if (copyImage[0] != null) {
            int vSelection = copyVBar.getSelection();
            int destY = -vSelection - copyOrigin.y;
            Rectangle rect = copyImage[0].getBounds();
            copyImageCanvas.scroll(0, destY, 0, 0, rect.width, rect.height, false);
            copyOrigin.y = -vSelection;
        }
    });
    copyImageCanvas.addListener(SWT.Paint, e -> {
        if (copyImage[0] != null) {
            GC gc = e.gc;
            gc.drawImage(copyImage[0], copyOrigin.x, copyOrigin.y);
            Rectangle rect = copyImage[0].getBounds();
            Rectangle client = copyImageCanvas.getClientArea();
            int marginWidth = client.width - rect.width;
            if (marginWidth > 0) {
                gc.fillRectangle(rect.width, 0, marginWidth, client.height);
            }
            int marginHeight = client.height - rect.height;
            if (marginHeight > 0) {
                gc.fillRectangle(0, rect.height, client.width, marginHeight);
            }
            gc.dispose();
        }
    });
    Button openButton = new Button(copyParent, SWT.PUSH);
    openButton.setText("Open Image");
    openButton.addSelectionListener(widgetSelectedAdapter(e -> {
        FileDialog dialog = new FileDialog(shell, SWT.OPEN);
        dialog.setText("Open an image file or cancel");
        String string = dialog.open();
        if (string != null) {
            if (copyImage[0] != null) {
                System.out.println("CopyImage");
                copyImage[0].dispose();
            }
            copyImage[0] = new Image(e.display, string);
            copyVBar.setEnabled(true);
            copyHBar.setEnabled(true);
            copyOrigin.x = 0;
            copyOrigin.y = 0;
            Rectangle rect = copyImage[0].getBounds();
            Rectangle client = copyImageCanvas.getClientArea();
            copyHBar.setMaximum(rect.width);
            copyVBar.setMaximum(rect.height);
            copyHBar.setThumb(Math.min(rect.width, client.width));
            copyVBar.setThumb(Math.min(rect.height, client.height));
            copyImageCanvas.scroll(0, 0, 0, 0, rect.width, rect.height, true);
            copyVBar.setSelection(0);
            copyHBar.setSelection(0);
            copyImageCanvas.redraw();
        }
    }));
    Button b = new Button(copyParent, SWT.PUSH);
    b.setText("Copy");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        if (copyImage[0] != null) {
            status.setText("");
            // Fetch ImageData at current zoom and save in the clip-board.
            clipboard.setContents(new Object[] { copyImage[0].getImageDataAtCurrentZoom() }, new Transfer[] { ImageTransfer.getInstance() });
        } else {
            status.setText("No image to copy");
        }
    }));
    final Image[] pasteImage = new Image[] { null };
    l = new Label(pasteParent, SWT.NONE);
    l.setText("ImageTransfer:");
    final Canvas pasteImageCanvas = new Canvas(pasteParent, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    data = new GridData(GridData.FILL_BOTH);
    data.widthHint = HSIZE;
    data.heightHint = VSIZE;
    pasteImageCanvas.setLayoutData(data);
    final Point pasteOrigin = new Point(0, 0);
    final ScrollBar pasteHBar = pasteImageCanvas.getHorizontalBar();
    pasteHBar.setEnabled(false);
    pasteHBar.addListener(SWT.Selection, e -> {
        if (pasteImage[0] != null) {
            int hSelection = pasteHBar.getSelection();
            int destX = -hSelection - pasteOrigin.x;
            Rectangle rect = pasteImage[0].getBounds();
            pasteImageCanvas.scroll(destX, 0, 0, 0, rect.width, rect.height, false);
            pasteOrigin.x = -hSelection;
        }
    });
    final ScrollBar pasteVBar = pasteImageCanvas.getVerticalBar();
    pasteVBar.setEnabled(false);
    pasteVBar.addListener(SWT.Selection, e -> {
        if (pasteImage[0] != null) {
            int vSelection = pasteVBar.getSelection();
            int destY = -vSelection - pasteOrigin.y;
            Rectangle rect = pasteImage[0].getBounds();
            pasteImageCanvas.scroll(0, destY, 0, 0, rect.width, rect.height, false);
            pasteOrigin.y = -vSelection;
        }
    });
    pasteImageCanvas.addListener(SWT.Paint, e -> {
        if (pasteImage[0] != null) {
            GC gc = e.gc;
            gc.drawImage(pasteImage[0], pasteOrigin.x, pasteOrigin.y);
            Rectangle rect = pasteImage[0].getBounds();
            Rectangle client = pasteImageCanvas.getClientArea();
            int marginWidth = client.width - rect.width;
            if (marginWidth > 0) {
                gc.fillRectangle(rect.width, 0, marginWidth, client.height);
            }
            int marginHeight = client.height - rect.height;
            if (marginHeight > 0) {
                gc.fillRectangle(0, rect.height, client.width, marginHeight);
            }
        }
    });
    b = new Button(pasteParent, SWT.PUSH);
    b.setText("Paste");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        ImageData imageData = (ImageData) clipboard.getContents(ImageTransfer.getInstance());
        if (imageData != null) {
            if (pasteImage[0] != null) {
                System.out.println("PasteImage");
                pasteImage[0].dispose();
            }
            status.setText("");
            // Consume the ImageData at current zoom as-is.
            pasteImage[0] = new Image(e.display, new AutoScaleImageDataProvider(imageData));
            pasteVBar.setEnabled(true);
            pasteHBar.setEnabled(true);
            pasteOrigin.x = 0;
            pasteOrigin.y = 0;
            Rectangle rect = pasteImage[0].getBounds();
            Rectangle client = pasteImageCanvas.getClientArea();
            pasteHBar.setMaximum(rect.width);
            pasteVBar.setMaximum(rect.height);
            pasteHBar.setThumb(Math.min(rect.width, client.width));
            pasteVBar.setThumb(Math.min(rect.height, client.height));
            pasteImageCanvas.scroll(0, 0, 0, 0, rect.width, rect.height, true);
            pasteVBar.setSelection(0);
            pasteHBar.setSelection(0);
            pasteImageCanvas.redraw();
        } else {
            status.setText("No image to paste");
        }
    }));
}