将RCP中的文字copy到操作系统剪贴板

在RCP Password Gate中，用户可以复制节点的密码，此功能将密码复制到操作系统的剪贴板中，方便用户粘贴到别的需要添入密码的控件中。

实现这个功能是用了一个Action，在Action中复制信息到系统剪切板中。

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ClipboardCopyAction.java

01publicabstractclassClipboardCopyActionextendsSelectionProviderAction{ 02 03publicClipboardCopyAction(ISelectionProviderprovider){ 04super(provider,null); 05setImageDescriptor(ImageShop.getDescriptor("copy")); 06} 07 08publicvoidselectionChanged(IStructuredSelectionselection){ 09booleanenable=false; 10if(selection.size()==1){ 11Objecto=selection.getFirstElement(); 12if(oinstanceofRecord){ 13enable=true; 14} 15} 16setEnabled(enable); 17} 18 19publicvoidrun(){ 20Clipboardcb=newClipboard(Display.getCurrent()); 21try{ 22StringtextData=getTextData(); 23TextTransfertextTransfer=TextTransfer.getInstance(); 24cb.setContents(newObject[]{textData}, 25newTransfer[]{textTransfer}); 26}catch(IOExceptionex){ 27PwdgatePlugin.log("copytoclipboard",ex); 28} 29} 30 31publicabstractStringgetTextData()throwsIOException; 32 33}

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