Java 类org.eclipse.swt.dnd.ByteArrayTransfer 实例源码

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()]);
}

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()]);
}

private void doCutCopyWithImportsOperation() {
    ITextEditor editor= getTextEditor();
    ITypeRoot inputElement= JavaUI.getEditorInputTypeRoot(editor.getEditorInput());
    ISelection selection= editor.getSelectionProvider().getSelection();

    Object clipboardData= null;
    if (inputElement != null && selection instanceof ITextSelection && !selection.isEmpty()) {
        ITextSelection textSelection= (ITextSelection) selection;
        if (isNonTrivialSelection(textSelection)) {
            clipboardData= getClipboardData(inputElement, textSelection.getOffset(), textSelection.getLength());
        }
    }

    fOperationTarget.doOperation(fOperationCode);

    if (clipboardData != null) {
        /*
         * We currently make assumptions about what the styled text widget sets,
         * see https://bugs.eclipse.org/bugs/show_bug.cgi?id=61876
         */
        Clipboard clipboard= new Clipboard(getDisplay());
        try {
            Object textData= clipboard.getContents(TextTransfer.getInstance());
            /*
             * Don't add if we didn't get any text data from the clipboard, see:
             * - https://bugs.eclipse.org/bugs/show_bug.cgi?id=70077
             * - https://bugs.eclipse.org/bugs/show_bug.cgi?id=200743
             */
            if (textData == null)
                return;

            ArrayList<Object> datas= new ArrayList<Object>(3);
            ArrayList<ByteArrayTransfer> transfers= new ArrayList<ByteArrayTransfer>(3);
            datas.add(textData);
            transfers.add(TextTransfer.getInstance());

            Object rtfData= clipboard.getContents(RTFTransfer.getInstance());
            if (rtfData != null) {
                datas.add(rtfData);
                transfers.add(RTFTransfer.getInstance());
            }

            datas.add(clipboardData);
            transfers.add(fgTransferInstance);

            Transfer[] dataTypes= transfers.toArray(new Transfer[transfers.size()]);
            Object[] data= datas.toArray();
            setClipboardContents(clipboard, data, dataTypes);
        } finally {
            clipboard.dispose();
        }
    }
}

private void doCutCopyWithImportsOperation() {
    ITextEditor editor= getTextEditor();
    ITypeRoot inputElement= JavaUI.getEditorInputTypeRoot(editor.getEditorInput());
    ISelection selection= editor.getSelectionProvider().getSelection();

    Object clipboardData= null;
    if (inputElement != null && selection instanceof ITextSelection && !selection.isEmpty()) {
        ITextSelection textSelection= (ITextSelection) selection;
        if (isNonTrivialSelection(textSelection)) {
            clipboardData= getClipboardData(inputElement, textSelection.getOffset(), textSelection.getLength());
        }
    }

    fOperationTarget.doOperation(fOperationCode);

    if (clipboardData != null) {
        /*
         * We currently make assumptions about what the styled text widget sets,
         * see https://bugs.eclipse.org/bugs/show_bug.cgi?id=61876
         */
        Clipboard clipboard= new Clipboard(getDisplay());
        try {
            Object textData= clipboard.getContents(TextTransfer.getInstance());
            /*
             * Don't add if we didn't get any text data from the clipboard, see:
             * - https://bugs.eclipse.org/bugs/show_bug.cgi?id=70077
             * - https://bugs.eclipse.org/bugs/show_bug.cgi?id=200743
             */
            if (textData == null)
                return;

            ArrayList<Object> datas= new ArrayList<Object>(3);
            ArrayList<ByteArrayTransfer> transfers= new ArrayList<ByteArrayTransfer>(3);
            datas.add(textData);
            transfers.add(TextTransfer.getInstance());

            Object rtfData= clipboard.getContents(RTFTransfer.getInstance());
            if (rtfData != null) {
                datas.add(rtfData);
                transfers.add(RTFTransfer.getInstance());
            }

            datas.add(clipboardData);
            transfers.add(fgTransferInstance);

            Transfer[] dataTypes= transfers.toArray(new Transfer[transfers.size()]);
            Object[] data= datas.toArray();
            setClipboardContents(clipboard, data, dataTypes);
        } finally {
            clipboard.dispose();
        }
    }
}