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package net.miginfocom.layout;
/** An interfance to implement if you want to decide the gaps between two types of components within the same cell.
* <p>
* E.g.:
*
* <pre>
* if (adjacentComp == null || adjacentSide == SwingConstants.LEFT || adjacentSide == SwingConstants.TOP)
* return null;
*
* boolean isHor = (adjacentSide == SwingConstants.LEFT || adjacentSide == SwingConstants.RIGHT);
*
* if (adjacentComp.getComponetType(false) == ComponentWrapper.TYPE_LABEL && comp.getComponetType(false) == ComponentWrapper.TYPE_TEXT_FIELD)
* return isHor ? UNRELATED_Y : UNRELATED_Y;
*
* return (adjacentSide == SwingConstants.LEFT || adjacentSide == SwingConstants.RIGHT) ? RELATED_X : RELATED_Y;
* </pre
*/
public interface InCellGapProvider
{
/** Returns the default gap between two components that <b>are in the same cell</b>.
* @param comp The component that the gap is for. Never <code>null</code>.
* @param adjacentComp The adjacent component if any. May be <code>null</code>.
* @param adjacentSide What side the <code>adjacentComp</code> is on. {@link javax.swing.SwingUtilities#TOP} or
* {@link javax.swing.SwingUtilities#LEFT} or {@link javax.swing.SwingUtilities#BOTTOM} or {@link javax.swing.SwingUtilities#RIGHT}.
* @param tag The tag string that the component might be tagged with in the component constraints. May be <code>null</code>.
* @param isLTR If it is left-to-right.
* @return The default gap between two components or <code>null</code> if there should be no gap.
*/
public abstract BoundSize getDefaultGap(ComponentWrapper comp, ComponentWrapper adjacentComp, int adjacentSide, String tag, boolean isLTR);
}
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