LineNumberChangeRulerColumnPatch.java 文件源码

@Override
public Object invoke(Object obj, Method thisMethod, Method proceed, Object[] args) throws Throwable {
    if ("createControl".equals(thisMethod.getName())) {
        CompositeRuler parentRuler = (CompositeRuler) args[0];
        this.fCachedTextViewer = parentRuler.getTextViewer();
        this.fCachedTextWidget = fCachedTextViewer.getTextWidget();
    } else if ("setDisplayMode".equals(thisMethod.getName())) {
        this.fCharacterDisplay = (boolean) args[0];
    } else if ("doPaint".equals(thisMethod.getName()) && args.length > 1) {
        GC gc = (GC) args[0];
        ILineRange visibleLines = (ILineRange) args[1];

        if (fRevisionPainter == null) {
            fRevisionPainter = getValue("fRevisionPainter", obj);
            fDiffPainter = getValue("fDiffPainter", obj);
        }

        LineNumberChangeRulerColumn l = ((LineNumberChangeRulerColumn) obj);
        doPaint(gc, visibleLines, l);
        return null;
    }
    return proceed.invoke(obj, args);
}