litesoft
@ 939
litesoft / trunk / GWT_Sandbox / MultiModule / common / src / org / litesoft / sandbox / infrastructure / client / SameSize.java
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package org.litesoft.sandbox.infrastructure.client; import com.google.gwt.user.client.ui.*; import java.util.*; public class SameSize extends com.google.gwt.user.client.Timer { public static void these( Collection<Widget> pWidgets ) { if ( pWidgets != null ) { these( pWidgets.toArray( new Widget[pWidgets.size()] ) ); } } public static void these( Widget... pWidgets ) { if ( pWidgets != null ) { List<Widget> zNonNull = new ArrayList<Widget>( pWidgets.length ); for ( Widget zWidget : pWidgets ) { if ( zWidget != null ) { zNonNull.add( zWidget ); } } if ( zNonNull.size() > 1 ) { new SameSize( zNonNull ).run(); } } } private static final int MAX_INT = Integer.MAX_VALUE / 2; private final List<Widget> mWidgets; private SameSize( List<Widget> pWidgets ) { mWidgets = pWidgets; } private int mDelay = 50; private int mMaxX, mMaxY; private boolean mAnyResizingNeeded; private boolean mSizingWorking; @Override public void run() { mAnyResizingNeeded = false; mSizingWorking = true; Widget zWidget; for ( int i = 0; i < mWidgets.size(); i++ ) { if ( null == (zWidget = get( i )) ) { return; } mMaxX = checkSize( mMaxX, zWidget.getOffsetWidth() ); mMaxY = checkSize( mMaxY, zWidget.getOffsetHeight() ); } if ( mSizingWorking ) { if ( !mAnyResizingNeeded ) { return; } for ( int i = 0; i < mWidgets.size(); i++ ) { if ( null == (zWidget = get( i )) ) { return; } if ( mMaxX > zWidget.getOffsetWidth() ) { zWidget.setWidth( mMaxX + "px" ); } if ( mMaxY > zWidget.getOffsetHeight() ) { zWidget.setHeight( mMaxY + "px" ); } } } if ( mDelay < MAX_INT ) { schedule( mDelay += mDelay ); // Double each time } } private int checkSize( int pMaxSize, int pOffsetSize ) { if ( pOffsetSize < 10 ) { mSizingWorking = false; return pMaxSize; } if ( pMaxSize == 0 ) { return pOffsetSize; } mAnyResizingNeeded |= (pOffsetSize != pMaxSize); return Math.max( pOffsetSize, pMaxSize ); } private Widget get( int pIndex ) { Widget zWidget = mWidgets.get( pIndex ); if ( zWidget.isAttached() ) { return zWidget; } System.out.println( "Not Attached: " + zWidget ); return null; } } |