Examples with Transferable java.awt.datatransfer.Transferable used on opensource projects

Example 41 with Transferable

use of java.awt.datatransfer.Transferable in project JMRI by JMRI.

the class ControlPanelEditor method drop.

@SuppressWarnings("unchecked")
@Override
public void drop(DropTargetDropEvent evt) {
    try {
        //Point pt = evt.getLocation(); coords relative to entire window
        Point pt = _targetPanel.getMousePosition(true);
        Transferable tr = evt.getTransferable();
        if (log.isDebugEnabled()) {
            // avoid string building if not debug
            DataFlavor[] flavors = tr.getTransferDataFlavors();
            StringBuilder flavor = new StringBuilder();
            for (DataFlavor flavor1 : flavors) {
                flavor.append(flavor1.getRepresentationClass().getName()).append(", ");
            }
            log.debug("Editor Drop: flavor classes={}", flavor);
        }
        if (tr.isDataFlavorSupported(_positionableDataFlavor)) {
            Positionable item = (Positionable) tr.getTransferData(_positionableDataFlavor);
            if (item == null) {
                return;
            }
            item.setLocation(pt.x, pt.y);
            // now set display level in the pane.
            item.setDisplayLevel(item.getDisplayLevel());
            item.setEditor(this);
            putItem(item);
            item.updateSize();
            //if (_debug) log.debug("Drop positionable "+item.getNameString()+
            //                                    " as "+item.getClass().getName()+
            //                                    ", w= "+item.maxWidth()+", h= "+item.maxHeight());
            evt.dropComplete(true);
            return;
        } else if (tr.isDataFlavorSupported(_namedIconDataFlavor)) {
            NamedIcon newIcon = new NamedIcon((NamedIcon) tr.getTransferData(_namedIconDataFlavor));
            String url = newIcon.getURL();
            NamedIcon icon = NamedIcon.getIconByName(url);
            PositionableLabel ni = new PositionableLabel(icon, this);
            // infer a background icon from the size
            if (icon.getIconHeight() > 500 || icon.getIconWidth() > 600) {
                ni.setDisplayLevel(BKG);
            } else {
                ni.setDisplayLevel(ICONS);
            }
            ni.setLocation(pt.x, pt.y);
            ni.setEditor(this);
            putItem(ni);
            ni.updateSize();
            evt.dropComplete(true);
            return;
        } else if (tr.isDataFlavorSupported(DataFlavor.stringFlavor)) {
            String text = (String) tr.getTransferData(DataFlavor.stringFlavor);
            PositionableLabel l = new PositionableLabel(text, this);
            l.setSize(l.getPreferredSize().width, l.getPreferredSize().height);
            l.setDisplayLevel(LABELS);
            l.setLocation(pt.x, pt.y);
            l.setEditor(this);
            putItem(l);
            evt.dropComplete(true);
        } else if (tr.isDataFlavorSupported(_positionableListDataFlavor)) {
            List<Positionable> dragGroup = (List<Positionable>) tr.getTransferData(_positionableListDataFlavor);
            for (Positionable pos : dragGroup) {
                pos.setEditor(this);
                putItem(pos);
                pos.updateSize();
                log.debug("DnD Add {}", pos.getNameString());
            }
        } else {
            log.warn("Editor DropTargetListener  supported DataFlavors not avaialable at drop from " + tr.getClass().getName());
        }
    } catch (IOException ioe) {
        log.warn("Editor DropTarget caught IOException", ioe);
    } catch (UnsupportedFlavorException ufe) {
        log.warn("Editor DropTarget caught UnsupportedFlavorException", ufe);
    }
    log.debug("Editor DropTargetListener drop REJECTED!");
    evt.rejectDrop();
}

Example 42 with Transferable

use of java.awt.datatransfer.Transferable in project JMRI by JMRI.

the class DnDTableImportExportHandler method importData.

@Override
public boolean importData(TransferHandler.TransferSupport support) {
    if (!canImport(support)) {
        return false;
    }
    if (log.isDebugEnabled()) {
        JTable.DropLocation loc = (JTable.DropLocation) support.getDropLocation();
        log.debug("importData: isDrop= {} location= {} row= {} col= {}", support.isDrop(), loc.getDropPoint(), loc.getRow(), loc.getColumn());
    }
    if (!support.isDrop()) {
        return false;
    }
    TransferHandler.DropLocation loc = support.getDropLocation();
    if (!(loc instanceof JTable.DropLocation)) {
        return false;
    }
    Component comp = support.getComponent();
    if (!(comp instanceof JTable)) {
        return false;
    }
    JTable.DropLocation location = (JTable.DropLocation) loc;
    JTable table = (JTable) comp;
    int row = location.getRow();
    int col = location.getColumn();
    row = table.convertRowIndexToModel(row);
    col = table.convertColumnIndexToModel(col);
    for (int i = 0; i < _skipColumns.length; i++) {
        if (_skipColumns[i] == col) {
            return false;
        }
    }
    try {
        Transferable trans = support.getTransferable();
        Object obj = trans.getTransferData(DataFlavor.stringFlavor);
        table.getModel().setValueAt(obj, row, col);
        return true;
    } catch (UnsupportedFlavorException ufe) {
        log.warn("DnDStringImportHandler.importData: " + ufe.getMessage());
    } catch (IOException ioe) {
        log.warn("DnDStringImportHandler.importData: " + ioe.getMessage());
    }
    return false;
}

Example 43 with Transferable

use of java.awt.datatransfer.Transferable in project jdk8u_jdk by JetBrains.

the class SunDragSourceContextPeer method startDrag.

/**
     * initiate a DnD operation ...
     */
public void startDrag(DragSourceContext dsc, Cursor c, Image di, Point p) throws InvalidDnDOperationException {
    /* Fix for 4354044: don't initiate a drag if event sequence provided by
         * DragGestureRecognizer is empty */
    if (getTrigger().getTriggerEvent() == null) {
        throw new InvalidDnDOperationException("DragGestureEvent has a null trigger");
    }
    dragSourceContext = dsc;
    cursor = c;
    sourceActions = getDragSourceContext().getSourceActions();
    dragImage = di;
    dragImageOffset = p;
    Transferable transferable = getDragSourceContext().getTransferable();
    SortedMap<Long, DataFlavor> formatMap = DataTransferer.getInstance().getFormatsForTransferable(transferable, DataTransferer.adaptFlavorMap(getTrigger().getDragSource().getFlavorMap()));
    long[] formats = DataTransferer.getInstance().keysToLongArray(formatMap);
    startDrag(transferable, formats, formatMap);
    /*
         * Fix for 4613903.
         * Filter out all mouse events that are currently on the event queue.
         */
    discardingMouseEvents = true;
    EventQueue.invokeLater(new Runnable() {

        public void run() {
            discardingMouseEvents = false;
        }
    });
}

Example 44 with Transferable

use of java.awt.datatransfer.Transferable in project jdk8u_jdk by JetBrains.

the class SunClipboard method lostOwnershipNow.

protected void lostOwnershipNow(final AppContext disposedContext) {
    final SunClipboard sunClipboard = SunClipboard.this;
    ClipboardOwner owner = null;
    Transferable contents = null;
    synchronized (sunClipboard) {
        final AppContext context = sunClipboard.contentsContext;
        if (context == null) {
            return;
        }
        if (disposedContext == null || context == disposedContext) {
            owner = sunClipboard.owner;
            contents = sunClipboard.contents;
            sunClipboard.contentsContext = null;
            sunClipboard.owner = null;
            sunClipboard.contents = null;
            sunClipboard.clearNativeContext();
            context.removePropertyChangeListener(AppContext.DISPOSED_PROPERTY_NAME, sunClipboard);
        } else {
            return;
        }
    }
    if (owner != null) {
        owner.lostOwnership(sunClipboard, contents);
    }
}

Example 45 with Transferable

use of java.awt.datatransfer.Transferable in project android by JetBrains.

the class PTable method performPaste.

@Override
public void performPaste(@NotNull DataContext dataContext) {
    PTableItem item = getSelectedNonGroupItem();
    if (item == null) {
        return;
    }
    Transferable transferable = myCopyPasteManager.getContents();
    if (transferable == null || !transferable.isDataFlavorSupported(DataFlavor.stringFlavor)) {
        return;
    }
    try {
        item.setValue(transferable.getTransferData(DataFlavor.stringFlavor));
    } catch (IOException | UnsupportedFlavorException exception) {
        Logger.getInstance(PTable.class).warn(exception);
    }
}