下面列出了怎么用org.eclipse.ui.actions.ReadOnlyStateChecker的API类实例代码及写法,或者点击链接到github查看源代码。
@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;
}