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@@ -3,75 +3,62 @@ |
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import java.util.*; |
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class DetailRowModelImpl<RowType> implements DetailRowModel<RowType> |
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{ |
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class DetailRowModelImpl<RowType> implements DetailRowModel<RowType> { |
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private DetailRowAlignment mAlign = DetailRowAlignment.Top; |
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private int mIndex = -1; |
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private RowType mItem = null; |
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private DetailRowCallback<RowType> mCallback = null; |
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public DetailRowCallback<RowType> getCallback() |
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{ |
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public DetailRowCallback<RowType> getCallback() { |
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return mCallback; |
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} |
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public void setCallback( DetailRowCallback<RowType> pCallback ) |
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{ |
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public void setCallback( DetailRowCallback<RowType> pCallback ) { |
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mCallback = pCallback; |
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} |
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@Override |
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public int getDetailRow() |
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{ |
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public int getDetailRow() { |
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return mIndex; |
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} |
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public RowType getDetailItem() |
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{ |
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public RowType getDetailItem() { |
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return mItem; |
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} |
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@Override |
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public DetailRowAlignment getAlign() |
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{ |
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public DetailRowAlignment getAlign() { |
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return mAlign; |
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} |
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@Override |
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public boolean isDetailRow( int pIndex ) |
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{ |
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public boolean isDetailRow( int pIndex ) { |
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return mIndex == pIndex; |
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} |
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public boolean isDetailRow( RowType pItem ) |
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{ |
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public boolean isDetailRow( RowType pItem ) { |
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return mItem == pItem; |
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} |
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private boolean canShowDetailFor( int index, RowType pItem ) |
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{ |
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private boolean canShowDetailFor( int index, RowType pItem ) { |
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return (mCallback == null) || mCallback.canShowDetailFor( index, pItem ); |
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} |
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/** |
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* @return true if changed |
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*/ |
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public boolean maybeSetDetailRow( int pIndex, RowType pItem ) |
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{ |
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if ( mIndex != pIndex && canShowDetailFor( pIndex, pItem ) ) |
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{ |
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public boolean maybeSetDetailRow( int pIndex, RowType pItem ) { |
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if ( mIndex != pIndex && canShowDetailFor( pIndex, pItem ) ) { |
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setDetailRow( pIndex, pItem ); |
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return true; |
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} |
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return false; |
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} |
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private void setDetailRow( int pIndex, RowType pItem ) |
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{ |
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private void setDetailRow( int pIndex, RowType pItem ) { |
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assert pIndex >= 0; |
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assert pItem != null; |
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if ( mIndex != pIndex && canShowDetailFor( pIndex, pItem ) ) |
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{ |
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if ( mIndex != pIndex && canShowDetailFor( pIndex, pItem ) ) { |
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int oldIndex = mIndex; |
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mIndex = pIndex; |
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mItem = pItem; |
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@@ -79,8 +66,7 @@ |
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} |
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} |
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private void clearDetailRow() |
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{ |
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private void clearDetailRow() { |
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mIndex = -1; |
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mItem = null; |
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} |
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@@ -88,45 +74,35 @@ |
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/** |
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* @return true if changed |
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*/ |
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public boolean update( List<RowType> pRowValues, int pOffset, int pCount ) |
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{ |
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public boolean update( List<RowType> pRowValues, int pOffset, int pCount ) { |
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assert pOffset + pCount <= pRowValues.size() : "size=" + pRowValues.size() + ",offset=" + pOffset + ",count=" + pCount; |
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if ( mIndex >= 0 && mIndex < pCount && canShowDetailFor( mIndex, mItem ) ) |
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{ |
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if ( mIndex >= 0 && mIndex < pCount && canShowDetailFor( mIndex, mItem ) ) { |
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return false; |
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} |
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int candidateIndex = mIndex; |
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if ( candidateIndex > pCount ) |
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{ |
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if ( candidateIndex > pCount ) { |
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candidateIndex = pCount; |
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} |
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for ( int i = candidateIndex + 1; i < pCount; i++ ) |
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{ |
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for ( int i = candidateIndex + 1; i < pCount; i++ ) { |
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RowType candidate = pRowValues.get( i + pOffset ); |
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if ( canShowDetailFor( i, candidate ) ) |
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{ |
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if ( canShowDetailFor( i, candidate ) ) { |
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setDetailRow( i, candidate ); |
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return true; |
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} |
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} |
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for ( int i = candidateIndex - 1; i >= 0; i-- ) |
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{ |
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for ( int i = candidateIndex - 1; i >= 0; i-- ) { |
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RowType candidate = pRowValues.get( i + pOffset ); |
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if ( canShowDetailFor( i, candidate ) ) |
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{ |
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if ( canShowDetailFor( i, candidate ) ) { |
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setDetailRow( i, candidate ); |
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return true; |
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} |
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} |
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if ( mIndex != -1 ) |
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{ |
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if ( mIndex != -1 ) { |
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clearDetailRow(); |
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return true; |
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} |
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else |
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{ |
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} else { |
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return false; |
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} |
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} |
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