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// This Source Code is in the Public Domain per: http://litesoft.org/License.txt |
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package org.litesoft.GWT.client.widgets.nonpublic; |
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import java.util.*; |
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import org.litesoft.GWT.client.widgets.*; |
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import org.litesoft.core.util.*; |
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import org.litesoft.ui.*; |
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import com.google.gwt.dom.client.Element; |
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import com.google.gwt.event.dom.client.*; |
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import com.google.gwt.event.shared.*; |
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import com.google.gwt.user.client.*; |
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import com.google.gwt.user.client.ui.*; |
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public abstract class AbstractCellButton extends AbstractCssBackedButton |
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{ |
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private static final String IMAGES_PATH = "common/images/"; |
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private static final String CACHED_GIF = ".cache.gif"; |
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private static final String IMAGE_BUTTONS_FOLDER = "ImageButton/"; |
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private static final String IMAGE_BUTTON_ENABLED_GIF = "/Enabled" + CACHED_GIF; |
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private static final String IMAGE_BUTTON_DISABLED_GIF = "/Disabled" + CACHED_GIF; |
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private static final Set<String> sImageButtons = new HashSet<String>(); |
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private static final Set<String> sBackImages = new HashSet<String>(); |
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private static final Set<String> sForwardImages = new HashSet<String>(); |
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private static final Set<String> sBGCellImages = new HashSet<String>(); |
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protected static void prefetchImageButtonImages( String pButtonImageRef ) |
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{ |
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if ( needsFetching( sImageButtons, pButtonImageRef ) ) |
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{ |
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prefetchImage( buildImageButtonImageURL( pButtonImageRef, true ) ); |
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prefetchImage( buildImageButtonImageURL( pButtonImageRef, false ) ); |
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} |
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} |
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private static void prefetchBackImages( String pType ) |
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{ |
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if ( needsFetching( sBackImages, pType ) ) |
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{ |
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prefetchTypedImage( pType, "BackArrow" ); |
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} |
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} |
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private static void prefetchForwardImages( String pType ) |
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{ |
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if ( needsFetching( sForwardImages, pType ) ) |
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{ |
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prefetchTypedImage( pType, "ForwardArrowRegular" ); |
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prefetchTypedImage( pType, "ForwardArrowOver" ); |
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} |
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} |
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private static void prefetchBackgroupCellImages( String pType ) |
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{ |
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if ( needsFetching( sBGCellImages, pType ) ) |
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{ |
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for ( CompassPoint zPoint : CompassPoint.values() ) |
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{ |
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if ( CompassPoint.center != zPoint ) |
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{ |
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for ( State zState : ALL_STATES ) |
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{ |
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prefetchTypedImage( pType, zState + "/" + zPoint.name() ); |
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} |
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} |
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} |
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} |
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} |
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private static void prefetchTypedImage( String pType, String pWhat ) |
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{ |
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prefetchImage( IMAGES_PATH + pType + "/" + pWhat + CACHED_GIF ); |
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} |
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private static void prefetchImage( String pImagePath ) |
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{ |
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Image.prefetch( pImagePath ); |
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} |
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private static boolean needsFetching( Set<String> pFetched, String pKey ) |
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{ |
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if ( pFetched.contains( pKey ) ) |
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{ |
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return false; |
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} |
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pFetched.add( pKey ); |
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return true; |
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} |
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protected static String buildImageButtonImageURL( String pButtonImageRef, boolean pEnabled ) |
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{ |
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return IMAGES_PATH + IMAGE_BUTTONS_FOLDER + pButtonImageRef + (pEnabled ? IMAGE_BUTTON_ENABLED_GIF : IMAGE_BUTTON_DISABLED_GIF); |
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} |
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private int mMinimumCellSize; |
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protected String mTbodyClass; |
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protected Element mInnerElement, mTD; |
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public AbstractCellButton( int pPreImageWidth, String pName, String pType, int pMinimumCellSize, String pTbodyClass, String pTbodyClass2, int pPostImageWidth, Element pInnerElement, String pEnabledToolTip, String pDisabledToolTip, ClickHandler pHandler ) |
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public AbstractCellButton( int pPreImageWidth, DefButtonNamedTypedFactory pDefButtonFactory, int pPostImageWidth, String pSizeSuffix, // |
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int pMinimumCellSize, Element pInnerElement ) |
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{ |
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super( pName, createTableWrapper( pPreImageWidth, pMinimumCellSize, pTbodyClass, pTbodyClass2, pPostImageWidth, pInnerElement ), pEnabledToolTip, pDisabledToolTip ); |
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super( pDefButtonFactory.getName(), // |
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createTableWrapper( pPreImageWidth, pInnerElement, pPostImageWidth, pMinimumCellSize, // |
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pDefButtonFactory.getType(), // pTbodyClass |
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pDefButtonFactory.getCustomStyle() ), // pTbodyClass2 |
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pDefButtonFactory.getEnabledToolTip(), pDefButtonFactory.getDisabledToolTip() ); |
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mMinimumCellSize = pMinimumCellSize; |
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mTbodyClass = pTbodyClass; |
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String zType = mTbodyClass = pDefButtonFactory.getType(); |
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mInnerElement = pInnerElement; |
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mTD = mInnerElement.getParentElement(); |
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mTD.setPropertyString( "align", HasHorizontalAlignment.ALIGN_CENTER.getTextAlignString() ); |
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mTD.setPropertyString( "verticalAlign", HasVerticalAlignment.ALIGN_MIDDLE.getVerticalAlignString() ); |
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addStyleName( "CellButton" ); |
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addStyleName( pType + "CellButton" + pMinimumCellSize ); |
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addStyleName( pDefButtonFactory.getSize() + pSizeSuffix + "CellButton" + pMinimumCellSize ); |
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if ( pHandler != null ) |
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if ( pPreImageWidth != 0 ) |
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{ |
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prefetchBackImages( zType ); |
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} |
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if ( pPostImageWidth != 0 ) |
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{ |
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addClickHandler( pHandler ); |
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prefetchForwardImages( zType ); |
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} |
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prefetchBackgroupCellImages( zType ); |
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} |
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@Override |
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return zTD; |
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} |
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private static CtrlElements createTableWrapper( int pPreImageWidth, int pMinimumCellSize, String pTbodyClass, String pTbodyClass2, int pPostImageWidth, Element pInnerElement ) |
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private static CtrlElements createTableWrapper( int pPreImageWidth, Element pInnerElement, int pPostImageWidth, int pMinimumCellSize, String pTbodyClass, String pTbodyClass2 ) |
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{ |
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Element zWidthImg = null; |
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Element zHeightImg = null; |
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