litesoft
@ 950
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// This Source Code is in the Public Domain per: http://unlicense.org package org.litesoft.GWT.client.widgets.nonpublic; import org.litesoft.commonfoundation.base.*; import org.litesoft.commonfoundation.typeutils.*; import org.litesoft.core.simpletypes.*; import java.util.*; import static org.litesoft.core.simpletypes.nonpublic.EqualSupport.*; public class InjectionPointSelectorController<T extends Synopsisable> { public interface View<U extends Synopsisable> { public void injectBetween( U pLowerBound, U pUpperBound ); public void show( DrillDownSet pDrillDownSet ); public void notEnoughVisibleEntries(); } public static abstract class ViewEntry<U extends Synopsisable> { private String mText; protected ViewEntry( String pText ) { mText = Confirm.significant( "Text", pText ); } public U getUpperReference() { return null; } public U getLowerReference() { return null; } /** * If Selectable, then is NOT a reference, but one of: Between, There, Top, or Bottom */ public boolean isSelectable() { return false; } public boolean isBetween() { return false; } public boolean isSelected() { return false; } public final String getText() { return mText; } @Override public boolean equals( Object o ) { if ( this == o ) { return true; } if ( (o == null) || !this.getClass().getName().equals( o.getClass().getName() ) ) { return false; } ViewEntry them = (ViewEntry) o; return Currently.areEqual( this.getText(), them.getText() ) && // Currently.areEqual( this.getUpperReference(), them.getUpperReference() ) && // Currently.areEqual( this.getLowerReference(), them.getLowerReference() ); } @Override public int hashCode() { return hashCodeEm( calcHashCode( getText() ), // calcHashCode( getUpperReference() ), // calcHashCode( getLowerReference() ) ); } } public static class ViewSet { private List<ViewEntry> mEntries; public ViewSet( List<ViewEntry> pEntries ) { mEntries = pEntries; } public ViewSet( ViewEntry... pEntries ) { mEntries = Arrays.asList( pEntries ); } public ViewEntry[] getEntries() { return mEntries.toArray( new ViewEntry[mEntries.size()] ); } @Override public String toString() { return mEntries.toString(); } @Override public boolean equals( Object o ) { if ( this == o ) { return true; } if ( (o == null) || !this.getClass().getName().equals( o.getClass().getName() ) ) { return false; } ViewSet them = (ViewSet) o; return Currently.areEqual( this.mEntries, them.mEntries ); } @Override public int hashCode() { return calcHashCode( mEntries ); } } public static class DrillDownSet { private ViewSet mHomeSet; private boolean mSomethingBetweenHomeAndPreviousSets; private ViewSet mPreviousSet; private ViewSet mCurrentSet; public DrillDownSet( ViewSet pHomeSet, boolean pSomethingBetweenHomeAndPreviousSets, ViewSet pPreviousSet, ViewSet pCurrentSet ) { mHomeSet = pHomeSet; mSomethingBetweenHomeAndPreviousSets = pSomethingBetweenHomeAndPreviousSets; mPreviousSet = pPreviousSet; mCurrentSet = pCurrentSet; } public ViewSet getHomeSet() { return mHomeSet; } public boolean isSomethingBetweenHomeAndPreviousSets() { return mSomethingBetweenHomeAndPreviousSets; } public ViewSet getPreviousSet() { return mPreviousSet; } public ViewSet getCurrentSet() { return mCurrentSet; } @Override public String toString() { StringBuilder sb = new StringBuilder( "DrillDownSet:" ); add( sb, "Home", mHomeSet ); if ( mSomethingBetweenHomeAndPreviousSets ) { sb.append( "\n ..." ); } add( sb, "Prev", mPreviousSet ); add( sb, "Curr", mCurrentSet ); return sb.toString(); } private void add( StringBuilder pSb, String pWhat, ViewSet pSet ) { if ( pSet != null ) { pSb.append( '\n' ).append( pWhat ).append( ": " ).append( pSet ); } } @Override public boolean equals( Object o ) { if ( this == o ) { return true; } if ( (o == null) || !this.getClass().getName().equals( o.getClass().getName() ) ) { return false; } DrillDownSet them = (DrillDownSet) o; return (this.mSomethingBetweenHomeAndPreviousSets == them.mSomethingBetweenHomeAndPreviousSets) && // Currently.areEqual( this.mHomeSet, them.mHomeSet ) && // Currently.areEqual( this.mPreviousSet, them.mPreviousSet ) && // Currently.areEqual( this.mCurrentSet, them.mCurrentSet ); } @Override public int hashCode() { return hashCodeEm( calcHashCode( mHomeSet ), // calcHashCode( mPreviousSet ), // calcHashCode( mCurrentSet ) ); } } static abstract class SelectionPointEntry<U extends Synopsisable> extends ViewEntry<U> { private boolean mSelected; private U mUpperReference; private U mLowerReference; protected SelectionPointEntry( boolean pSelected, String pText, U pUpperReference, U pLowerReference ) { super( pText ); mSelected = pSelected; mUpperReference = pUpperReference; mLowerReference = pLowerReference; } @Override public U getUpperReference() { return mUpperReference; } @Override public U getLowerReference() { return mLowerReference; } @Override public boolean isSelectable() { return true; } @Override public boolean isSelected() { return mSelected; } @Override public String toString() { return Strings.replace( getText(), '\n', "\\n" ) + ":" + addXtra(); } protected String addXtra() { return ""; } } @SuppressWarnings("EqualsAndHashcode") static class Between<U extends Synopsisable> extends SelectionPointEntry<U> { private Between( boolean pSelected, U pUpperReference, U pLowerReference ) { super( pSelected, "Between", pUpperReference, pLowerReference ); } public static <V extends Synopsisable> Between<V> create( boolean pSelected, V pUpperReference, V pLowerReference ) { return new Between<V>( pSelected, pUpperReference, pLowerReference ); } public Between<U> copyAsSelected() { return isSelected() ? this : create( true, getUpperReference(), getLowerReference() ); } @Override public boolean isBetween() { return true; } protected String addXtra() { return (isSelected() ? "(?Y)" : "(?N)"); } @Override @SuppressWarnings({"EqualsWhichDoesntCheckParameterClass"}) public boolean equals( Object o ) { return super.equals( o ) && (this.isSelected() == ((Between) o).isSelected()); } } static class There<U extends Synopsisable> extends SelectionPointEntry<U> { private There( U pUpperReference, U pLowerReference ) { super( false, "There", pUpperReference, pLowerReference ); } public static <V extends Synopsisable> There<V> create( V pUpperReference, V pLowerReference ) { return new There<V>( pUpperReference, pLowerReference ); } } static class Top<U extends Synopsisable> extends SelectionPointEntry<U> { private Top( U pLowerReference ) { super( false, "Top\n(There)", null, pLowerReference ); } public static <V extends Synopsisable> Top<V> create( V pLowerReference ) { return new Top<V>( pLowerReference ); } } static class Bottom<U extends Synopsisable> extends SelectionPointEntry<U> { private Bottom( U pUpperReference ) { super( false, "Bottom\n(There)", pUpperReference, null ); } public static <V extends Synopsisable> Bottom<V> create( V pUpperReference ) { return new Bottom<V>( pUpperReference ); } } static class Reference<U extends Synopsisable> extends ViewEntry<U> { private Reference( int pLines, U pReference ) { super( pReference.getSynopsis( pLines ) ); } public static <V extends Synopsisable> Reference<V> create( int pLines, V pReference ) { return new Reference<V>( pLines, pReference ); } @Override public String toString() { return "Ref: " + Strings.replace( getText(), '\n', "\\n" ); } } private int mSynopsisLines; private List<T> mInjectIns; private View<T> mView; private int mCurrentEntriesVisible = -1; private List<Between<T>> mSelectedBetweens = new ArrayList<Between<T>>(); public InjectionPointSelectorController( int pSynopsisLines, List<T> pInjectIns, View<T> pView ) { mSynopsisLines = pSynopsisLines; mInjectIns = pInjectIns; mView = pView; } public InjectionPointSelectorController( int pSynopsisLines, View<T> pView, T... pInjectIns ) { this( pSynopsisLines, Arrays.asList( pInjectIns ), pView ); } public void updateForEntriesVisible( int pCount ) { if ( mCurrentEntriesVisible != pCount ) { DrillDownSet zDrillDownSet = updateDrillDownSetWhenEntriesVisibleChanges( pCount, mSelectedBetweens ); if ( zDrillDownSet == null ) { mView.notEnoughVisibleEntries(); return; } mCurrentEntriesVisible = pCount; mView.show( zDrillDownSet ); } } public void homeSelected() { DrillDownSet zDrillDownSet = updateDrillDownSetWhenEntriesVisibleChanges( mCurrentEntriesVisible, mSelectedBetweens ); mView.show( zDrillDownSet ); } public void previousSelected() { mSelectedBetweens.remove( mSelectedBetweens.size() - 1 ); DrillDownSet zDrillDownSet = updateDrillDownSetWhenSelectedBetweensChange( mCurrentEntriesVisible, mSelectedBetweens ); mView.show( zDrillDownSet ); } public void viewSelected( ViewEntry<T> pEntry ) { Confirm.isNotNull( "Entry", pEntry ); if ( pEntry.isBetween() ) { mSelectedBetweens.add( ((Between<T>) pEntry).copyAsSelected() ); DrillDownSet zDrillDownSet = updateDrillDownSetWhenSelectedBetweensChange( mCurrentEntriesVisible, mSelectedBetweens ); mView.show( zDrillDownSet ); return; } if ( pEntry.isSelectable() ) { mView.injectBetween( pEntry.getLowerReference(), pEntry.getUpperReference() ); return; } throw new IllegalArgumentException( "Can not 'viewSelected' for type '" + ClassName.simple( pEntry ) + "': " + pEntry ); } /** * Update the pLastDrillDownSet based on the new pCount (maximum Entries per ViewSet) (public for Testing) * * @return null means that pCount was too small! */ public DrillDownSet updateDrillDownSetWhenEntriesVisibleChanges( int pCount, List<Between<T>> pSelectedBetweens ) { if ( -1 == (pCount = checkIfNotEnoughVisibleEntries( makeOdd( pCount ) )) ) { return null; } pSelectedBetweens.clear(); List<ViewSet> zViewSets = buildViewSets( pCount, pSelectedBetweens ); return new DrillDownSet( null, false, null, zViewSets.get( 0 ) ); } /** * Update the pLastDrillDownSet based on the new pCount (maximum Entries per ViewSet) (public for Testing) * * @return null means that pCount was too small! */ public DrillDownSet updateDrillDownSetWhenSelectedBetweensChange( int pCount, List<Between<T>> pSelectedBetweens ) { List<ViewSet> zViewSets = buildViewSets( makeOdd( pCount ), pSelectedBetweens ); switch ( zViewSets.size() ) { case 1: return new DrillDownSet( null, false, null, zViewSets.get( 0 ) ); case 2: return new DrillDownSet( zViewSets.get( 0 ), false, null, zViewSets.get( 1 ) ); case 3: return new DrillDownSet( zViewSets.get( 0 ), false, zViewSets.get( 1 ), zViewSets.get( 2 ) ); default: return new DrillDownSet( zViewSets.get( 0 ), true, zViewSets.get( zViewSets.size() - 2 ), zViewSets.get( zViewSets.size() - 1 ) ); } } private int checkIfNotEnoughVisibleEntries( int pCount ) { return ((pCount >= 5) || // 5 is enough for anything (more is better) ((pCount == 3) && (mInjectIns.size() == 1))) ? // Special Case of just 1 InjectIn? pCount : // pCount is OK -1; // indicate pCount too small } private int makeOdd( int pCount ) { return ((pCount & 1) == 0) ? // Is Even? pCount - 1 : // Even, make Odd! pCount; // Already Odd } private Between<T> getCurrentSelectedBetween( List<Between<T>> pSelectedBetweens, int pCurrentIndex ) { return (pCurrentIndex < pSelectedBetweens.size()) ? pSelectedBetweens.get( pCurrentIndex ) : null; } private boolean isSelected( Between<T> pSelectedBetween, T pLast, T pCurr ) { return (pSelectedBetween != null) && (pLast == pSelectedBetween.getUpperReference()) && (pCurr == pSelectedBetween.getLowerReference()); } private List<ViewSet> buildViewSets( int pCount, List<Between<T>> pSelectedBetweens ) { List<ViewSet> zViewSets = new ArrayList<ViewSet>(); buildHomeViewSet( zViewSets, pCount, pSelectedBetweens ); return zViewSets; } private void buildHomeViewSet( List<ViewSet> pViewSets, int pCount, List<Between<T>> pSelectedBetweens ) { Between<T> zSelectedBetween = getCurrentSelectedBetween( pSelectedBetweens, 0 ); int zInjectInsToAdd = mInjectIns.size() - 1; int zAvailableBetweenBuckets = Math.min( zInjectInsToAdd, (pCount - 3) / 2 ); // System.out.println( "buildHomeViewSett( " + zSelectedBetween + " ): " + // // pCount + " ( " + mInjectIns.size() + " ) " + zInjectInsToAdd + " | " + zAvailableBetweenBuckets ); ArrayList<ViewEntry> zEntries = new ArrayList<ViewEntry>( pCount ); pViewSets.add( new ViewSet( zEntries ) ); int zCurrNdx = 0; int zThru = mInjectIns.size() - 1; T zCurrT = mInjectIns.get( zCurrNdx ); zEntries.add( Top.create( zCurrT ) ); while ( zCurrNdx < zThru ) { zEntries.add( Reference.create( mSynopsisLines, zCurrT ) ); int zLastNdx = zCurrNdx; T zLastT = zCurrT; int zHowMany = zInjectInsToAdd / zAvailableBetweenBuckets; // System.out.print( " zInjectInsToAdd / zAvailableBetweenBuckets ==> " + zInjectInsToAdd + " / " + zAvailableBetweenBuckets + " = " + zHowMany ); zInjectInsToAdd -= zHowMany; zCurrNdx += zHowMany; zCurrT = mInjectIns.get( zCurrNdx ); if ( zHowMany == 1 ) { // System.out.println( " Add There 1" ); zEntries.add( There.create( zLastT, zCurrT ) ); } else { // System.out.println( " Add Between " + zHowMany ); if ( isSelected( zSelectedBetween, zLastT, zCurrT ) ) { zEntries.add( zSelectedBetween ); buildSubsequentViewSet( pViewSets, pCount, zLastNdx, zCurrNdx, pSelectedBetweens, 1 ); } else { zEntries.add( Between.create( false, zLastT, zCurrT ) ); } } zAvailableBetweenBuckets--; } zEntries.add( Reference.create( mSynopsisLines, zCurrT ) ); zEntries.add( Bottom.create( zCurrT ) ); } private void buildSubsequentViewSet( List<ViewSet> pViewSets, int pCount, int zUpperNdx, int zLowerNdx, List<Between<T>> pSelectedBetweens, int pCurrentIndex ) { Between<T> zSelectedBetween = getCurrentSelectedBetween( pSelectedBetweens, pCurrentIndex ); int zInjectInsToAdd = zLowerNdx - zUpperNdx; int zAvailableBetweenBuckets = Math.min( zInjectInsToAdd, pCount / 2 ); // System.out.println( " buildSubsequentViewSet( " + pCurrentIndex + " => " + zSelectedBetween + " ): " + // // pCount + " ( " + zUpperNdx + ", " + zLowerNdx + " ) " + zInjectInsToAdd + " | " + zAvailableBetweenBuckets ); ArrayList<ViewEntry> zEntries = new ArrayList<ViewEntry>( pCount ); pViewSets.add( new ViewSet( zEntries ) ); int zCurrNdx = zUpperNdx; int zThru = zLowerNdx; T zCurrT = mInjectIns.get( zCurrNdx ); while ( zCurrNdx < zThru ) { zEntries.add( Reference.create( mSynopsisLines, zCurrT ) ); int zLastNdx = zCurrNdx; T zLastT = zCurrT; int zHowMany = zInjectInsToAdd / zAvailableBetweenBuckets; // System.out.print( " zInjectInsToAdd / zAvailableBetweenBuckets ==> " + zInjectInsToAdd + " / " + zAvailableBetweenBuckets + " = " + zHowMany ); zInjectInsToAdd -= zHowMany; zCurrNdx += zHowMany; zCurrT = mInjectIns.get( zCurrNdx ); if ( zHowMany == 1 ) { // System.out.println( " Add There 1" ); zEntries.add( There.create( zLastT, zCurrT ) ); } else { // System.out.println( " Add Between " + zHowMany ); if ( isSelected( zSelectedBetween, zLastT, zCurrT ) ) { zEntries.add( zSelectedBetween ); buildSubsequentViewSet( pViewSets, pCount, zLastNdx, zCurrNdx, pSelectedBetweens, pCurrentIndex + 1 ); } else { zEntries.add( Between.create( false, zLastT, zCurrT ) ); } } zAvailableBetweenBuckets--; } zEntries.add( Reference.create( mSynopsisLines, zCurrT ) ); } } |
Commits for litesoft/trunk/Java/GWT/Client/src/org/litesoft/GWT/client/widgets/nonpublic/InjectionPointSelectorController.java
Revision | Author | Commited | Message |
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950 Diff | GeorgeS | Thu 19 Jun, 2014 17:57:04 +0000 | New Lines |
949 Diff | GeorgeS | Sun 08 Jun, 2014 17:19:33 +0000 | Normalization |
948 Diff | GeorgeS | Sat 07 Jun, 2014 23:42:39 +0000 | Jusefuls Formatter Updated to New Code Format |
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! |
823 Diff | GeorgeS | Sun 19 Aug, 2012 16:10:13 +0000 | |
822 Diff | GeorgeS | Sun 19 Aug, 2012 01:03:51 +0000 | |
821 Diff | GeorgeS | Sun 19 Aug, 2012 00:08:41 +0000 | |
811 | GeorgeS | Sat 18 Aug, 2012 13:45:18 +0000 |