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

Example 26 with TransferData

use of org.eclipse.swt.dnd.TransferData in project Pydev by fabioz.

the class PasteAction method updateSelection.

/**
 * The <code>PasteAction</code> implementation of this
 * <code>SelectionListenerAction</code> method enables this action if
 * a resource compatible with what is on the clipboard is selected.
 *
 * -Clipboard must have IResource or java.io.File
 * -Projects can always be pasted if they are open
 * -Workspace folder may not be copied into itself
 * -Files and folders may be pasted to a single selected folder in open
 *  project or multiple selected files in the same folder
 */
@Override
protected boolean updateSelection(IStructuredSelection selection) {
    if (!super.updateSelection(selection)) {
        return false;
    }
    final IResource[][] clipboardData = new IResource[1][];
    shell.getDisplay().syncExec(new Runnable() {

        @Override
        public void run() {
            // clipboard must have resources or files
            ResourceTransfer resTransfer = ResourceTransfer.getInstance();
            clipboardData[0] = (IResource[]) clipboard.getContents(resTransfer);
        }
    });
    IResource[] resourceData = clipboardData[0];
    boolean isProjectRes = resourceData != null && resourceData.length > 0 && resourceData[0].getType() == IResource.PROJECT;
    if (isProjectRes) {
        for (int i = 0; i < resourceData.length; i++) {
            // can paste open projects regardless of selection
            if (resourceData[i].getType() != IResource.PROJECT || ((IProject) resourceData[i]).isOpen() == false) {
                return false;
            }
        }
        return true;
    }
    if (getSelectedNonResources().size() > 0) {
        return false;
    }
    IResource targetResource = getTarget();
    // or selection is empty
    if (targetResource == null) {
        return false;
    }
    // can paste files and folders to a single selection (file, folder,
    // open project) or multiple file selection with the same parent
    List<? extends IResource> selectedResources = getSelectedResources();
    if (selectedResources.size() > 1) {
        for (int i = 0; i < selectedResources.size(); i++) {
            IResource resource = selectedResources.get(i);
            if (resource.getType() != IResource.FILE) {
                return false;
            }
            if (!targetResource.equals(resource.getParent())) {
                return false;
            }
        }
    }
    if (resourceData != null) {
        // linked resources can only be pasted into projects
        if (isLinked(resourceData) && targetResource.getType() != IResource.PROJECT) {
            return false;
        }
        if (targetResource.getType() == IResource.FOLDER) {
            // don't try to copy folder to self
            for (int i = 0; i < resourceData.length; i++) {
                if (targetResource.equals(resourceData[i])) {
                    return false;
                }
            }
        }
        return true;
    }
    TransferData[] transfers = clipboard.getAvailableTypes();
    FileTransfer fileTransfer = FileTransfer.getInstance();
    for (int i = 0; i < transfers.length; i++) {
        if (fileTransfer.isSupportedType(transfers[i])) {
            return true;
        }
    }
    return false;
}

Example 27 with TransferData

use of org.eclipse.swt.dnd.TransferData in project netxms-ocilib by stevemqeen.

the class ScriptEditorView method canPaste.

/**
 * Check if paste action can work
 *
 * @return
 */
private boolean canPaste() {
    Clipboard cb = new Clipboard(Display.getCurrent());
    TransferData[] available = cb.getAvailableTypes();
    boolean enabled = false;
    for (int i = 0; i < available.length; i++) {
        if (TextTransfer.getInstance().isSupportedType(available[i])) {
            enabled = true;
            break;
        }
    }
    cb.dispose();
    return enabled;
}

Example 28 with TransferData

use of org.eclipse.swt.dnd.TransferData in project netxms-ocilib by stevemqeen.

the class AgentFileManager method enableDropSupport.

/**
 * Enable drop support in object tree
 */
public // SubtreeType infrastructure
void enableDropSupport() {
    final Transfer[] transfers = new Transfer[] { LocalSelectionTransfer.getTransfer() };
    viewer.addDropSupport(DND.DROP_COPY | DND.DROP_MOVE, transfers, new ViewerDropAdapter(viewer) {

        @Override
        public boolean performDrop(Object data) {
            IStructuredSelection selection = (IStructuredSelection) data;
            List<?> movableSelection = selection.toList();
            for (int i = 0; i < movableSelection.size(); i++) {
                AgentFile movableObject = (AgentFile) movableSelection.get(i);
                moveFile((AgentFile) getCurrentTarget(), movableObject);
            }
            return true;
        }

        @Override
        public boolean validateDrop(Object target, int operation, TransferData transferType) {
            if ((target == null) || !LocalSelectionTransfer.getTransfer().isSupportedType(transferType))
                return false;
            IStructuredSelection selection = (IStructuredSelection) LocalSelectionTransfer.getTransfer().getSelection();
            if (selection.isEmpty())
                return false;
            for (final Object object : selection.toList()) {
                if (!(object instanceof AgentFile))
                    return false;
            }
            if (!(target instanceof AgentFile)) {
                return false;
            } else {
                if (!((AgentFile) target).isDirectory()) {
                    return false;
                }
            }
            return true;
        }
    });
}

Example 29 with TransferData

use of org.eclipse.swt.dnd.TransferData in project netxms-ocilib by stevemqeen.

the class PredefinedMap method addDropSupport.

/**
 * Add drop support
 */
private void addDropSupport() {
    final Transfer[] transfers = new Transfer[] { LocalSelectionTransfer.getTransfer() };
    viewer.addDropSupport(DND.DROP_COPY | DND.DROP_MOVE, transfers, new ViewerDropAdapter(viewer) {

        private int x;

        private int y;

        @SuppressWarnings("rawtypes")
        @Override
        public boolean validateDrop(Object target, int operation, TransferData transferType) {
            if (!LocalSelectionTransfer.getTransfer().isSupportedType(transferType))
                return false;
            IStructuredSelection selection = (IStructuredSelection) LocalSelectionTransfer.getTransfer().getSelection();
            Iterator it = selection.iterator();
            while (it.hasNext()) {
                Object object = it.next();
                if (!((object instanceof AbstractObject) && ((AbstractObject) object).isAllowedOnMap()))
                    return false;
            }
            return true;
        }

        @SuppressWarnings("unchecked")
        @Override
        public boolean performDrop(Object data) {
            IStructuredSelection selection = (IStructuredSelection) LocalSelectionTransfer.getTransfer().getSelection();
            addObjectsFromList(selection.toList(), viewer.getControl().toControl(x, y));
            return true;
        }

        /*
			 * (non-Javadoc)
			 * 
			 * @see
			 * org.eclipse.jface.viewers.ViewerDropAdapter#dropAccept(org.eclipse
			 * .swt.dnd.DropTargetEvent)
			 */
        @Override
        public void dropAccept(DropTargetEvent event) {
            x = event.x;
            y = event.y;
            super.dropAccept(event);
        }
    });
}

Example 30 with TransferData

use of org.eclipse.swt.dnd.TransferData in project netxms-ocilib by stevemqeen.

the class ObjectTree method enableDropSupport.

/**
 * Enable drop support in object tree
 */
public // SubtreeType infrastructure
void enableDropSupport(// SubtreeType infrastructure
final ObjectBrowser obj) {
    final Transfer[] transfers = new Transfer[] { LocalSelectionTransfer.getTransfer() };
    objectTree.addDropSupport(DND.DROP_COPY | DND.DROP_MOVE, transfers, new ViewerDropAdapter(objectTree) {

        @Override
        public boolean performDrop(Object data) {
            TreeSelection selection = (TreeSelection) data;
            List<?> movableSelection = selection.toList();
            for (int i = 0; i < movableSelection.size(); i++) {
                AbstractObject movableObject = (AbstractObject) movableSelection.get(i);
                TreePath path = selection.getPaths()[0];
                AbstractObject parent = (AbstractObject) path.getSegment(path.getSegmentCount() - 2);
                obj.performObjectMove((AbstractObject) getCurrentTarget(), parent, movableObject);
            }
            return true;
        }

        @Override
        public boolean validateDrop(Object target, int operation, TransferData transferType) {
            if ((target == null) || !LocalSelectionTransfer.getTransfer().isSupportedType(transferType))
                return false;
            IStructuredSelection selection = (IStructuredSelection) LocalSelectionTransfer.getTransfer().getSelection();
            if (selection.isEmpty())
                return false;
            for (final Object object : selection.toList()) {
                SubtreeType subtree = null;
                if ((object instanceof AbstractObject)) {
                    if (obj.isValidSelectionForMove(SubtreeType.INFRASTRUCTURE))
                        subtree = SubtreeType.INFRASTRUCTURE;
                    else if (obj.isValidSelectionForMove(SubtreeType.TEMPLATES))
                        subtree = SubtreeType.TEMPLATES;
                    else if (obj.isValidSelectionForMove(SubtreeType.BUSINESS_SERVICES))
                        subtree = SubtreeType.BUSINESS_SERVICES;
                    else if (obj.isValidSelectionForMove(SubtreeType.DASHBOARDS))
                        subtree = SubtreeType.DASHBOARDS;
                    else if (obj.isValidSelectionForMove(SubtreeType.MAPS))
                        subtree = SubtreeType.MAPS;
                    else if (obj.isValidSelectionForMove(SubtreeType.POLICIES))
                        subtree = SubtreeType.POLICIES;
                }
                if (subtree == null)
                    return false;
                Set<Integer> filter;
                switch(subtree) {
                    case INFRASTRUCTURE:
                        filter = ObjectSelectionDialog.createContainerSelectionFilter();
                        break;
                    case TEMPLATES:
                        filter = ObjectSelectionDialog.createTemplateGroupSelectionFilter();
                        break;
                    case BUSINESS_SERVICES:
                        filter = ObjectSelectionDialog.createBusinessServiceSelectionFilter();
                        break;
                    case DASHBOARDS:
                        filter = ObjectSelectionDialog.createDashboardSelectionFilter();
                        break;
                    case MAPS:
                        filter = ObjectSelectionDialog.createNetworkMapGroupsSelectionFilter();
                        break;
                    case POLICIES:
                        filter = ObjectSelectionDialog.createPolicyGroupSelectionFilter();
                        break;
                    default:
                        filter = null;
                        break;
                }
                if ((filter == null) || !filter.contains(((AbstractObject) target).getObjectClass()) || target.equals(object))
                    return false;
            }
            return true;
        }
    });
}