下面列出了怎么用org.eclipse.ui.part.ResourceTransfer的API类实例代码及写法，或者点击链接到github查看源代码。
/**
* Set the clipboard contents. Prompt to retry if clipboard is busy.
*
* @param resources
* the resources to copy to the clipboard
* @param fileNames
* file names of the resources to copy to the clipboard
* @param names
* string representation of all names
*/
private void setClipboard(final IResource[] resources, final String[] fileNames, final String names) {
try {
// set the clipboard contents
if (fileNames.length > 0) {
clipboard.setContents(new Object[] { resources, fileNames, names }, new Transfer[] {
ResourceTransfer.getInstance(), FileTransfer.getInstance(), TextTransfer.getInstance() });
} else {
clipboard.setContents(new Object[] { resources, names },
new Transfer[] { ResourceTransfer.getInstance(), TextTransfer.getInstance() });
}
} catch (final SWTError e) {
if (e.code != DND.ERROR_CANNOT_SET_CLIPBOARD) { throw e; }
if (MessageDialog.openQuestion(shell, "Problem with copy title", // TODO //$NON-NLS-1$
// ResourceNavigatorMessages.CopyToClipboardProblemDialog_title,
"Problem with copy.")) { //$NON-NLS-1$
setClipboard(resources, fileNames, names);
}
}
}
private void addDragAdapters(StructuredViewer viewer) {
int ops= DND.DROP_COPY | DND.DROP_LINK;
Transfer[] transfers= new Transfer[] { LocalSelectionTransfer.getInstance(), ResourceTransfer.getInstance(), FileTransfer.getInstance()};
DelegatingDragAdapter dragAdapter= new DelegatingDragAdapter() {
@Override
public void dragStart(DragSourceEvent event) {
IStructuredSelection selection= (IStructuredSelection) fSelectionProviderMediator.getSelection();
if (selection.isEmpty()) {
event.doit= false;
return;
}
super.dragStart(event);
}
};
dragAdapter.addDragSourceListener(new SelectionTransferDragAdapter(fSelectionProviderMediator));
dragAdapter.addDragSourceListener(new EditorInputTransferDragAdapter(fSelectionProviderMediator));
dragAdapter.addDragSourceListener(new ResourceTransferDragAdapter(fSelectionProviderMediator));
dragAdapter.addDragSourceListener(new FileTransferDragAdapter(fSelectionProviderMediator));
viewer.addDragSupport(ops, transfers, dragAdapter);
}
/**
* Set the clipboard contents. Prompt to retry if clipboard is busy.
*
* @param resources the resources to copy to the clipboard
* @param fileNames file names of the resources to copy to the clipboard
* @param names string representation of all names
*/
private void setClipboard(IResource[] resources, String[] fileNames, String names) {
try {
// set the clipboard contents
if (fileNames.length > 0) {
clipboard.setContents(
new Object[] { resources, fileNames, names },
new Transfer[] { ResourceTransfer.getInstance(), FileTransfer.getInstance(),
TextTransfer.getInstance() });
} else {
clipboard.setContents(new Object[] { resources, names },
new Transfer[] { ResourceTransfer.getInstance(), TextTransfer.getInstance() });
}
} catch (SWTError e) {
if (e.code != DND.ERROR_CANNOT_SET_CLIPBOARD) {
throw e;
}
if (MessageDialog.openQuestion(shell, "Problem with copy title", // TODO ResourceNavigatorMessages.CopyToClipboardProblemDialog_title, //$NON-NLS-1$
"Problem with copy.")) { //$NON-NLS-1$
setClipboard(resources, fileNames, names);
}
}
}
/**
* Register to selection service to update button enablement
* Register the Automatic Perspective switch part listener
*/
@Override
public void postWindowOpen() {
IWorkbenchWindowConfigurer configurer = getWindowConfigurer();
configurer.addEditorAreaTransfer(EditorInputTransfer.getInstance());
configurer.addEditorAreaTransfer(ResourceTransfer.getInstance());
configurer.addEditorAreaTransfer(FileTransfer.getInstance());
configurer.addEditorAreaTransfer(MarkerTransfer.getInstance());
configurer.configureEditorAreaDropListener(new EditorAreaDropAdapter(
configurer.getWindow()));
final MWindow model = ((WorkbenchPage) window.getActivePage()).getWindowModel();
model.getContext().get(EPartService.class).addPartListener(new AutomaticSwitchPerspectivePartListener());
final Object widget = model.getWidget();
if (widget instanceof Shell) {
((Widget) widget).setData(SWTBotConstants.SWTBOT_WIDGET_ID_KEY, SWTBotConstants.SWTBOT_ID_MAIN_SHELL);
}
// Replace ObjectActionContributorManager with filtered actions
CustomObjectActionContributorManager.getManager();
}
@Override
public IStatus handleDrop(final CommonDropAdapter adapter, final DropTargetEvent event, final Object target) {
if (FileTransfer.getInstance().isSupportedType(event.currentDataType)) {
final String[] files = (String[]) event.data;
if (files != null && files.length > 0) {
PasteAction.handlePaste(files);
return Status.OK_STATUS;
}
} else if (ResourceTransfer.getInstance().isSupportedType(event.currentDataType)) {
}
return Status.CANCEL_STATUS;
}
protected final IResource[] getClipboardResources(TransferData[] availableDataTypes) {
Transfer transfer= ResourceTransfer.getInstance();
if (isAvailable(transfer, availableDataTypes)) {
return (IResource[])getContents(fClipboard2, transfer, getShell());
}
return null;
}
@Override
public boolean canEnable(TransferData[] availableDataTypes) {
boolean resourceTransfer= isAvailable(ResourceTransfer.getInstance(), availableDataTypes);
boolean javaElementTransfer= isAvailable(JavaElementTransfer.getInstance(), availableDataTypes);
if (! javaElementTransfer)
return canPasteSimpleProjects(availableDataTypes);
if (! resourceTransfer)
return canPasteJavaProjects(availableDataTypes);
return canPasteJavaProjects(availableDataTypes) && canPasteSimpleProjects(availableDataTypes);
}
private static Transfer[] createDataTypeArray(IResource[] resources, IJavaElement[] javaElements, String[] fileNames, TypedSource[] typedSources) {
List<ByteArrayTransfer> result= new ArrayList<ByteArrayTransfer>(4);
if (resources.length != 0)
result.add(ResourceTransfer.getInstance());
if (javaElements.length != 0)
result.add(JavaElementTransfer.getInstance());
if (fileNames.length != 0)
result.add(FileTransfer.getInstance());
if (typedSources.length != 0)
result.add(TypedSourceTransfer.getInstance());
result.add(TextTransfer.getInstance());
return result.toArray(new Transfer[result.size()]);
}
public void start() {
Assert.isLegal(!fStarted);
int ops= DND.DROP_COPY | DND.DROP_MOVE | DND.DROP_LINK;
Transfer[] transfers= new Transfer[] {
LocalSelectionTransfer.getInstance(),
ResourceTransfer.getInstance(),
FileTransfer.getInstance()};
fViewer.addDragSupport(ops, transfers, fDragAdapter);
fStarted= true;
}
private void addDragAdapters(StructuredViewer viewer) {
Transfer[] transfers= new Transfer[] { LocalSelectionTransfer.getInstance(), ResourceTransfer.getInstance() };
int ops= DND.DROP_COPY | DND.DROP_LINK;
JdtViewerDragAdapter dragAdapter= new JdtViewerDragAdapter(viewer);
dragAdapter.addDragSourceListener(new SelectionTransferDragAdapter(viewer));
dragAdapter.addDragSourceListener(new EditorInputTransferDragAdapter(viewer));
dragAdapter.addDragSourceListener(new ResourceTransferDragAdapter(viewer));
viewer.addDragSupport(ops, transfers, dragAdapter);
}
private void addDragAdapters(StructuredViewer viewer) {
int ops= DND.DROP_COPY | DND.DROP_LINK;
Transfer[] transfers= new Transfer[] { LocalSelectionTransfer.getInstance(), ResourceTransfer.getInstance(), FileTransfer.getInstance()};
JdtViewerDragAdapter dragAdapter= new JdtViewerDragAdapter(viewer);
dragAdapter.addDragSourceListener(new SelectionTransferDragAdapter(viewer));
dragAdapter.addDragSourceListener(new EditorInputTransferDragAdapter(viewer));
dragAdapter.addDragSourceListener(new ResourceTransferDragAdapter(viewer));
dragAdapter.addDragSourceListener(new FileTransferDragAdapter(viewer));
viewer.addDragSupport(ops, transfers, dragAdapter);
}
/**
* Set the clipboard contents. Prompt to retry if clipboard is busy.
*
* @param resources the resources to copy to the clipboard
* @param fileNames file names of the resources to copy to the clipboard
* @param names string representation of all names
*/
private void setClipboard(IResource[] resources, String[] fileNames,
String names) {
try {
// set the clipboard contents
if (fileNames.length > 0) {
clipboard.setContents(new Object[] { resources, fileNames,
names },
new Transfer[] { ResourceTransfer.getInstance(),
FileTransfer.getInstance(),
TextTransfer.getInstance() });
} else {
clipboard.setContents(new Object[] { resources, names },
new Transfer[] { ResourceTransfer.getInstance(),
TextTransfer.getInstance() });
}
} catch (SWTError e) {
if (e.code != DND.ERROR_CANNOT_SET_CLIPBOARD) {
throw e;
}
if (MessageDialog
.openQuestion(
shell,
WorkbenchNavigatorMessages.actions_CopyAction_msgTitle, // TODO ResourceNavigatorMessages.CopyToClipboardProblemDialog_title, //$NON-NLS-1$
WorkbenchNavigatorMessages.actions_CopyAction_msg)) { //$NON-NLS-1$
setClipboard(resources, fileNames, names);
}
}
}
/**
* Set the clipboard contents. Prompt to retry if clipboard is busy.
*
* @param resources the resources to copy to the clipboard
* @param fileNames file names of the resources to copy to the clipboard
* @param names string representation of all names
*/
private void setClipboard(IResource[] resources, String[] fileNames,
String names) {
try {
// set the clipboard contents
if (fileNames.length > 0) {
clipboard.setContents(new Object[] { resources, fileNames,
names },
new Transfer[] { ResourceTransfer.getInstance(),
FileTransfer.getInstance(),
TextTransfer.getInstance() });
} else {
clipboard.setContents(new Object[] { resources, names },
new Transfer[] { ResourceTransfer.getInstance(),
TextTransfer.getInstance() });
}
} catch (SWTError e) {
if (e.code != DND.ERROR_CANNOT_SET_CLIPBOARD) {
throw e;
}
if (MessageDialog
.openQuestion(
shell,
WorkbenchNavigatorMessages.actions_CopyAction_msgTitle, // TODO ResourceNavigatorMessages.CopyToClipboardProblemDialog_title, //$NON-NLS-1$
WorkbenchNavigatorMessages.actions_CopyAction_msg)) { //$NON-NLS-1$
setClipboard(resources, fileNames, names);
}
}
}
@Override
public boolean isSupportedType(TransferData transferType) {
return super.isSupportedType(transferType)
|| ResourceTransfer.getInstance().isSupportedType(transferType)
|| FileTransfer.getInstance().isSupportedType(transferType);
}
@Override
public IStatus handleDrop(CommonDropAdapter dropAdapter,
DropTargetEvent event, Object target) {
try {
// drop in folder
if (target instanceof IXdsFolderContainer ||
target instanceof IProject ||
target instanceof IContainer ||
(dropAdapter.getCurrentOperation() == DND.DROP_COPY && (
target instanceof IFile ||
target instanceof IXdsResource))) {
final Object data= event.data;
if (data == null) {
return Status.CANCEL_STATUS;
}
final IContainer destination= getDestination(target);
if (destination == null) {
return Status.CANCEL_STATUS;
}
IResource[] resources = null;
TransferData currentTransfer = dropAdapter.getCurrentTransfer();
final int dropOperation = dropAdapter.getCurrentOperation();
if (LocalSelectionTransfer.getTransfer().isSupportedType(
currentTransfer)) {
resources = getSelectedResources();
} else if (ResourceTransfer.getInstance().isSupportedType(
currentTransfer)) {
resources = (IResource[]) event.data;
}
if (FileTransfer.getInstance().isSupportedType(currentTransfer)) {
final String[] names = (String[]) data;
// Run the import operation asynchronously.
// Otherwise the drag source (e.g., Windows Explorer) will be blocked
Display.getCurrent().asyncExec(new Runnable() {
public void run() {
getShell().forceActive();
CopyFilesAndFoldersOperation op= new CopyFilesAndFoldersOperation(getShell());
op.copyOrLinkFiles(names, destination, dropOperation);
}
});
} else if (event.detail == DND.DROP_COPY || event.detail == DND.DROP_LINK) {
return performResourceCopy(dropAdapter, getShell(), resources);
} else {
ReadOnlyStateChecker checker = new ReadOnlyStateChecker(
getShell(),
"Move Resource Action", //$NON-NLS-1$
"Move Resource Action");//$NON-NLS-1$
resources = checker.checkReadOnlyResources(resources);
MoveFilesAndFoldersOperation operation = new MoveFilesAndFoldersOperation(getShell());
operation.copyResources(resources, destination);
}
return Status.OK_STATUS;
}
}
finally {
// The drag source listener must not perform any operation
// since this drop adapter did the remove of the source even
// if we moved something.
event.detail= DND.DROP_NONE;
}
return Status.CANCEL_STATUS;
}
private void addDragAdapters(StructuredViewer viewer) {
Transfer[] transfers= new Transfer[] { ResourceTransfer.getInstance() };
int ops= DND.DROP_COPY | DND.DROP_LINK;
viewer.addDragSupport(ops, transfers, new NavigatorDragAdapter(viewer));
}
@Override
public boolean canEnable(TransferData[] availableTypes) {
return isAvailable(ResourceTransfer.getInstance(), availableTypes) ||
isAvailable(JavaElementTransfer.getInstance(), availableTypes);
}
@Override
public boolean canEnable(TransferData[] availableTypes) {
fAvailableTypes= availableTypes;
return isAvailable(JavaElementTransfer.getInstance(), availableTypes) || isAvailable(ResourceTransfer.getInstance(), availableTypes);
}
public Transfer getTransfer() {
return ResourceTransfer.getInstance();
}
/**
* 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
*/
protected boolean updateSelection(IStructuredSelection selection) {
if (!super.updateSelection(selection)) {
return false;
}
final IResource[][] clipboardData = new IResource[1][];
shell.getDisplay().syncExec(new Runnable() {
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++) {
// make sure all resource data are open projects
// 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();
// targetResource is null if no valid target is selected (e.g., open project)
// 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 selectedResources = getSelectedResources();
if (selectedResources.size() > 1) {
for (int i = 0; i < selectedResources.size(); i++) {
IResource resource = (IResource) 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
&& targetResource.getType() != IResource.FOLDER) {
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;
}
public IStatus handleDrop(CommonDropAdapter aDropAdapter,
DropTargetEvent aDropTargetEvent, Object aTarget) {
if (Policy.DEBUG_DND) {
System.out
.println("ResourceDropAdapterAssistant.handleDrop (begin)"); //$NON-NLS-1$
}
// alwaysOverwrite = false;
if (aTarget == null || aDropTargetEvent.data == null) {
return Status.CANCEL_STATUS;
}
IStatus status = null;
IResource[] resources = null;
TransferData currentTransfer = aDropAdapter.getCurrentTransfer();
if (LocalSelectionTransfer.getTransfer().isSupportedType(
currentTransfer)) {
resources = getSelectedResources();
} else if (ResourceTransfer.getInstance().isSupportedType(
currentTransfer)) {
resources = (IResource[]) aDropTargetEvent.data;
}
if (FileTransfer.getInstance().isSupportedType(currentTransfer)) {
status = performFileDrop(aDropAdapter, aDropTargetEvent.data);
} else if (resources != null && resources.length > 0) {
if ((aDropAdapter.getCurrentOperation() == DND.DROP_COPY)
|| (aDropAdapter.getCurrentOperation() == DND.DROP_LINK)) {
if (Policy.DEBUG_DND) {
System.out
.println("ResourceDropAdapterAssistant.handleDrop executing COPY."); //$NON-NLS-1$
}
status = performResourceCopy(aDropAdapter, getShell(),
resources);
} else {
if (Policy.DEBUG_DND) {
System.out
.println("ResourceDropAdapterAssistant.handleDrop executing MOVE."); //$NON-NLS-1$
}
status = performResourceMove(aDropAdapter, resources);
}
}
openError(status);
IContainer target = getActualTarget((IResource) aTarget);
if (target != null && target.isAccessible()) {
try {
target.refreshLocal(IResource.DEPTH_ONE, null);
} catch (CoreException e) {
}
}
return status;
}
/**
* 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
*/
protected boolean updateSelection(IStructuredSelection selection) {
if (!super.updateSelection(selection)) {
return false;
}
final IResource[][] clipboardData = new IResource[1][];
shell.getDisplay().syncExec(new Runnable() {
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++) {
// make sure all resource data are open projects
// 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();
// targetResource is null if no valid target is selected (e.g., open project)
// 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 selectedResources = getSelectedResources();
if (selectedResources.size() > 1) {
for (int i = 0; i < selectedResources.size(); i++) {
IResource resource = (IResource) 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
&& targetResource.getType() != IResource.FOLDER) {
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;
}
public IStatus handleDrop(CommonDropAdapter aDropAdapter,
DropTargetEvent aDropTargetEvent, Object aTarget) {
if (Policy.DEBUG_DND) {
System.out
.println("ResourceDropAdapterAssistant.handleDrop (begin)"); //$NON-NLS-1$
}
// alwaysOverwrite = false;
if (aTarget == null || aDropTargetEvent.data == null) {
return Status.CANCEL_STATUS;
}
IStatus status = null;
IResource[] resources = null;
TransferData currentTransfer = aDropAdapter.getCurrentTransfer();
if (LocalSelectionTransfer.getTransfer().isSupportedType(
currentTransfer)) {
resources = getSelectedResources();
} else if (ResourceTransfer.getInstance().isSupportedType(
currentTransfer)) {
resources = (IResource[]) aDropTargetEvent.data;
}
if (FileTransfer.getInstance().isSupportedType(currentTransfer)) {
status = performFileDrop(aDropAdapter, aDropTargetEvent.data);
} else if (resources != null && resources.length > 0) {
if ((aDropAdapter.getCurrentOperation() == DND.DROP_COPY)
|| (aDropAdapter.getCurrentOperation() == DND.DROP_LINK)) {
if (Policy.DEBUG_DND) {
System.out
.println("ResourceDropAdapterAssistant.handleDrop executing COPY."); //$NON-NLS-1$
}
status = performResourceCopy(aDropAdapter, getShell(),
resources);
} else {
if (Policy.DEBUG_DND) {
System.out
.println("ResourceDropAdapterAssistant.handleDrop executing MOVE."); //$NON-NLS-1$
}
status = performResourceMove(aDropAdapter, resources);
}
}
openError(status);
IContainer target = getActualTarget((IResource) aTarget);
if (target != null && target.isAccessible()) {
try {
target.refreshLocal(IResource.DEPTH_ONE, null);
} catch (CoreException e) {
}
}
return status;
}
private void addDragAdapters(StructuredViewer viewer) {
Transfer[] transfers = new Transfer[] { ResourceTransfer.getInstance() };
int ops = DND.DROP_COPY | DND.DROP_LINK;
viewer.addDragSupport(ops, transfers, new NavigatorDragAdapter(viewer));
}
private void addDragAdapters(StructuredViewer viewer) {
Transfer[] transfers = new Transfer[] { ResourceTransfer.getInstance() };
int ops = DND.DROP_COPY | DND.DROP_LINK;
viewer.addDragSupport(ops, transfers, new NavigatorDragAdapter(viewer));
}
/**
* 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++) {
// make sure all resource data are open projects
// 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();
// targetResource is null if no valid target is selected (e.g., open project)
// 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;
}
@Override
public IStatus handleDrop(CommonDropAdapter aDropAdapter, DropTargetEvent aDropTargetEvent, Object aTarget) {
// aTarget = getActual(aTarget);
if (DEBUG) {
System.out.println("ResourceDropAdapterAssistant.handleDrop (begin)"); //$NON-NLS-1$
}
// alwaysOverwrite = false;
if (getCurrentTarget(aDropAdapter) == null || aDropTargetEvent.data == null) {
return Status.CANCEL_STATUS;
}
IStatus status = null;
IResource[] resources = null;
TransferData currentTransfer = aDropAdapter.getCurrentTransfer();
if (LocalSelectionTransfer.getTransfer().isSupportedType(currentTransfer)) {
resources = getSelectedResources();
} else if (ResourceTransfer.getInstance().isSupportedType(currentTransfer)) {
resources = (IResource[]) aDropTargetEvent.data;
}
if (FileTransfer.getInstance().isSupportedType(currentTransfer)) {
status = performFileDrop(aDropAdapter, aDropTargetEvent.data);
} else if (resources != null && resources.length > 0) {
if (aDropAdapter.getCurrentOperation() == DND.DROP_COPY) {
if (DEBUG) {
System.out.println("ResourceDropAdapterAssistant.handleDrop executing COPY."); //$NON-NLS-1$
}
status = performResourceCopy(aDropAdapter, getShell(), resources);
} else {
if (DEBUG) {
System.out.println("ResourceDropAdapterAssistant.handleDrop executing MOVE."); //$NON-NLS-1$
}
status = performResourceMove(aDropAdapter, resources);
}
}
openError(status);
IContainer target = getActualTarget((IResource) getCurrentTarget(aDropAdapter));
if (target != null && target.isAccessible()) {
try {
target.refreshLocal(IResource.DEPTH_ONE, null);
} catch (CoreException e) {
}
}
return status;
}