litesoft
@ 947
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// This Source Code is in the Public Domain per: http://unlicense.org package org.litesoft.render; import org.litesoft.commonfoundation.typeutils.Objects; import org.litesoft.logger.nonpublic.*; import org.litesoft.uispecification.*; import java.util.*; public abstract class AbstractRenderContainerHelper extends AbstractSizableRenderHelper implements RenderContainerHelper { protected AbstractRenderContainerHelper( Object pRectangularRenderableObject, // RenderAccessor pRenderAccessor, // RenderParticipatingAdapter pParticipatingAdapter, // RenderDimensionAdapter pDimensionAdapter, // RenderContainmentApproach pContainmentApproach ) { super( pRectangularRenderableObject, pRenderAccessor, pContainmentApproach.getSizingApproach(), pParticipatingAdapter, pDimensionAdapter ); mContainmentApproach = RenderContainmentApproach.deNull( pContainmentApproach ); mDetermineNaturalSize = new DetermineNaturalSizeRHP( mRROname, this, // mDetermineRectSizeNow, new DetermineContainerNaturalChildSizesRHP( mRROname, this ) ); mDetermineContainerDecorationSize = new DetermineContainerDecorationSizeRHP( mRROname, this, // mDetermineRectSizeNow, // mDetermineNaturalSize ); mLayoutContainer = new LayoutContainerRHP( mRROname, this, // mDetermineRectSizeNow, // mDetermineNaturalSize, // mDetermineContainerDecorationSize ); mDetermineCurrentSize = new DetermineCurrentSizeRHP( mRROname, this, // mDetermineRectSizeNow, // mDetermineNaturalSize, // mLayoutContainer ); DetermineContainerCurrentChildSizesRHP zCurrentChildSizesRHP = new DetermineContainerCurrentChildSizesRHP( mRROname, this ); if ( Overflow.None.equals( mContainmentApproach.getOverflow() ) ) { mDetermineContainerMinimumSize = new DetermineContainerMinimumSizeRHP( mRROname, this, // mDetermineCurrentSize ); mMutateSize = new MutateSizeRHP( mRROname, this, // mDetermineCurrentSize, // mDetermineContainerMinimumSize, // zCurrentChildSizesRHP ); } else { mDetermineContainerMinimumSize = null; mMutateSize = new MutateSizeRHP( mRROname, this, // mDetermineCurrentSize, // zCurrentChildSizesRHP ); } } private RenderContainmentApproach mContainmentApproach; private Integer mDecorationSize = null; protected final DetermineContainerDecorationSizeRHP mDetermineContainerDecorationSize; protected final LayoutContainerRHP mLayoutContainer; protected final DetermineContainerMinimumSizeRHP mDetermineContainerMinimumSize; public Integer getDecorationSize() { if ( getNaturalSize() == null ) { return null; } if ( mDecorationSize == null ) { Object zRectangularRenderableObject = getRectangularRenderableObject(); RenderDimensionAdapter zDimensionAdapter = getDimensionAdapter(); mDecorationSize = zDimensionAdapter.getContainerOverheadSize( zRectangularRenderableObject ); } return mDecorationSize; } /** * Get the "Decoration" Size RHP. * <p/> * Note: RHPs are Instance Equality Managed, so for the same underlying dependency the same RHP must be returned! * * @return !null RHP, where its callbacks will be notified when it is complete. */ public final RenderHelperProcess unavailableDecorationSizeRHP() { return queue( mDetermineContainerDecorationSize ); } /** * Get the "Minimum" Size. * <p/> * Renderable Objects that are not Sizable will return their "Natural" Size. * * @return null means that is not "yet" available. */ public Integer getMinimumSize() { Integer zCurrentSize = getCurrentSize(); // Dependency Integer zNaturalSize = getNaturalSize(); // Default if No Children &/ No Minimum specified Integer zMinimumSize = LLgetMinimumSize(); if ( zCurrentSize == null ) { return null; } if ( mDetermineContainerMinimumSize != null ) { RenderHelper[] zChildHelpers = getChildHelpers(); if ( Objects.isNotNullOrEmpty( zChildHelpers ) ) { Integer zDecorationSize = getDecorationSize(); if ( zDecorationSize == null ) { return null; } Integer zCalculatedMinimumSize = calculateChildrenMinimumSize( zChildHelpers ); if ( zCalculatedMinimumSize == null ) { return null; } zCalculatedMinimumSize += zDecorationSize; if ( zMinimumSize == null ) { zMinimumSize = zCalculatedMinimumSize; } else { zMinimumSize = Math.max( zMinimumSize, zCalculatedMinimumSize ); } } } return (zMinimumSize != null) ? zMinimumSize : zNaturalSize; } /** * @param pChildHelpers !null / empty * * @return null means that someone is not ready, otherwise the current Calculated Minimum Size */ abstract protected Integer calculateChildrenMinimumSize( RenderHelper[] pChildHelpers ); /** * Get the "Minimum" Size RHP. * <p/> * Note: RHPs are Instance Equality Managed, so for the same underlying dependency the same RHP must be returned! * * @return !null RHP, where its callbacks will be notified when it is complete. */ public RenderHelperProcess unavailableMinimumSizeRHP() { return (mDetermineContainerMinimumSize != null) ? // queue( mDetermineContainerMinimumSize ) : unavailableCurrentSizeRHP(); } public final RenderContainmentApproach getContainmentApproach() { return mContainmentApproach; } protected void LLrenderingParticipationChanged() { super.LLrenderingParticipationChanged(); for ( RenderHelper zHelper : mChildHelpers.values() ) { zHelper.renderingParticipationChanged(); } } protected RenderProcessResult sizingError( MutateSizeRHP pMutateSizeRHP, int pExpectedSize, int pActualSize ) { if ( mDecorationSize == null ) // Should NOT be possible!!! { return RenderProcessResult.Terminated; } if ( ++mDorkedCount < 20 ) { int zNewDecorationSize = getDimensionAdapter().getContainerOverheadSize( getRectangularRenderableObject() ); int zDecorationDelta = zNewDecorationSize - mDecorationSize; if ( zDecorationDelta == 0 ) { logSizingError( LOGGER.error, pExpectedSize, pActualSize, "" ); } else // Decoration Size Changed!!! { if ( (pExpectedSize + zDecorationDelta) == pActualSize ) // by just the needed amount { logSizingErrorWithDecorationChange( LOGGER.warn, pExpectedSize, pActualSize, zNewDecorationSize ); return LLLsetSize( pMutateSizeRHP, pActualSize, pExpectedSize ); } logSizingErrorWithDecorationChange( LOGGER.error, pExpectedSize, pActualSize, zNewDecorationSize ); } defer( pMutateSizeRHP, 50 ); // Will it Settle...? return RenderProcessResult.Requeued; } logSizingError( LOGGER.fatal, pExpectedSize, pActualSize, "" ); return RenderProcessResult.Terminated; } protected final void logSizingErrorWithDecorationChange( AbstractLogger pLogger, int pExpectedSize, int pActualSize, int zNewDecorationSize ) { logSizingError( pLogger, pExpectedSize, pActualSize, " Decoration was " + mDecorationSize + " != " + zNewDecorationSize + " now" ); mDecorationSize = zNewDecorationSize; // Update the Decoration Size } protected void sizingOK() { mDorkedCount = 0; } private int mDorkedCount = 0; /** * Determine if this Helper is a Layout Ancestor. * <p/> * When going up the Parentage path, it will obviously return true at the root, but it may also return true at a Clipping Container that has been explicitly sized! */ public boolean isLayoutAncestorHelper() { return super.isLayoutAncestorHelper() || // (isExplicitlySized() && // RenderSizingApproach.Settable.equals( getContainmentApproach().getSizingApproach() )); } /** * Restore the RenderableRect to its pre-Layed-out state and return the RenderHelper(s) for its children. * * @return !null array of the child RenderHelper(s) if any. */ public RenderHelper[] restoreForLayout() { LLrestoreForLayout(); return getChildHelpers(); } /** * Request "this" RederableRect and its' children be layed out. * <p/> * Note: RHPs are Instance Equality Managed, so for the same underlying dependency the same RHP must be returned! * * @return null if no layout process is needed, * otherwise the returned RHP's callbacks will be notified when it is complete. */ public RenderHelperProcess layoutFromHereDown() { if ( mLayoutContainer.isProcessingNeeded() ) { return RenderProcessManager.INSTANCE.queue( mLayoutContainer ); } setLayedOut(); return null; } abstract protected RenderProcessResult LLadjustChildSizesAfterLayout( LayoutContainerRHP pLayoutContainerRHP, RenderHelper[] zChildHelpers ); public void childRemoved( Object pRectangularRenderableObject ) { mChildHelpers.remove( pRectangularRenderableObject ); layout(); } private Map<Object, RenderHelper> mChildHelpers = new IdentityHashMap<Object, RenderHelper>(); protected RenderHelper getChildHelper( Object pRectangularRenderableObject ) { return mChildHelpers.get( pRectangularRenderableObject ); } protected void putChildHelper( Object pRectangularRenderableObject, RenderHelper pHelper ) { mChildHelpers.put( pRectangularRenderableObject, pHelper ); layout(); } protected static int sum( int[] pInts ) { int rv = 0; for ( int zInt : pInts ) { rv += zInt; } return rv; } protected static int max( int[] pInts ) { int rv = pInts[0]; for ( int i = 1; i < pInts.length; i++ ) { rv = Math.max( rv, pInts[i] ); } return rv; } } |
Commits for litesoft/trunk/Java/core/Anywhere/src/org/litesoft/render/AbstractRenderContainerHelper.java
Revision | Author | Commited | Message |
---|---|---|---|
947 Diff | GeorgeS | Fri 06 Jun, 2014 23:36:56 +0000 | Correct Spelling of package! |
939 Diff | GeorgeS | Mon 02 Jun, 2014 21:30:31 +0000 | Extracting commonfoundation |
917 Diff | GeorgeS | Sun 08 Dec, 2013 20:49:56 +0000 | 1.7 prep & VersionedStaticContentFilter upgrade to new “/ver” model! |
809 Diff | GeorgeS | Thu 16 Aug, 2012 04:10:46 +0000 | |
151 Diff | GeorgeS | Thu 17 Mar, 2011 04:16:22 +0000 | |
49 Diff | GeorgeS | Mon 12 Apr, 2010 02:59:10 +0000 | License Text |
2 | GeorgeS | Sun 07 Feb, 2010 12:50:58 +0000 |