Bug 302441 [LinkedResources][CommonNavigator] When to show "Files and Folders Operation" dialog on drop
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/ide/dialogs/ImportTypeDialog.java
if (element.length == 2) {
				if (element[0].equals(Integer.toString(operationMask)))
					return element[1];
			}
		}
		return ""; 
	}
	
	private void refreshSelection() {
		if (copyButton != null)
			copyButton.setSelection(currentSelection == IMPORT_COPY);
		if (shadowCopyButton != null)
			shadowCopyButton.setSelection(currentSelection == IMPORT_VIRTUAL_FOLDERS_AND_LINKS);
		if (linkButton != null)
			linkButton.setSelection(currentSelection == IMPORT_LINK);
		if (moveButton != null)
			moveButton.setSelection(currentSelection == IMPORT_MOVE);
		if (relativePathVariableGroup != null) {
			relativePathVariableGroup.setEnabled((currentSelection & (IMPORT_VIRTUAL_FOLDERS_AND_LINKS | IMPORT_LINK)) != 0);
		}
	}
	private void writeContextPreference(String key, String value) {
		String oldValue = IDEWorkbenchPlugin.getDefault().getPreferenceStore().getString(key);
		StringBuffer buffer = new StringBuffer();
		String [] keyPairs = oldValue.split(":"); 
		boolean found = false;
		for (int i = 0; i < keyPairs.length; i++) {
			if (i > 0)
				buffer.append(":"); 
			String [] element = keyPairs[i].split(",");