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// This Source Code is in the Public Domain per: http://litesoft.org/License.txt package org.litesoft.ui.scanner; import org.litesoft.core.typeutils.*; public class QuantityScannerFieldsProcessor implements QuantityScannerFieldsLogic { private int mQuantity = 0; private boolean mAdding = false; private BarcodeQuantityReactor mReactor; private QuantityScannerFieldsAccessor mAccessor; public QuantityScannerFieldsProcessor( BarcodeQuantityReactor pReactor ) { mReactor = pReactor; } public void setFieldsAccessor( QuantityScannerFieldsAccessor pAccessor ) { mAccessor = pAccessor; } public Integer getSetQuantity() { return (!mAdding && (mQuantity > 0)) ? mQuantity : null; } public void changedScannerInput( String pValue ) { } public void changedQuantityInput( String pValue ) { } public void enteredScannerInput( String pValue ) { if ( null == (pValue = Strings.noEmpty( pValue )) ) { return; } if ( Strings.isNumeric( pValue, pValue.length() ) && (pValue.length() > 3) ) { mReactor.incrementOrSetQuantity( pValue, mAdding, mQuantity ); return; } if ( pValue.startsWith( "+" ) ) { mAdding = true; pValue = pValue.substring( 1 ); } else if ( pValue.startsWith( "/K" ) ) { mAdding = true; pValue = pValue.substring( 2 ); } if ( null == (pValue = Strings.noEmpty( pValue )) ) { return; } int zNewQty; try { zNewQty = Integer.parseInt( pValue ); } catch ( NumberFormatException e ) { mAccessor.setScannerError( "Not Parseable" ); return; } if ( mAdding ) { mQuantity = mQuantity + zNewQty; mAccessor.setInput( "+" + mQuantity, "" ); } else { mQuantity = zNewQty; mAccessor.setInput( "" + mQuantity, "" ); } } public void enteredQuantityInput( String pValue ) { if ( null == (pValue = Strings.noEmpty( pValue )) ) { mQuantity = 0; return; } if ( pValue.startsWith( "+" ) ) { mAdding = true; pValue = pValue.substring( 1 ); } if ( null == (pValue = Strings.noEmpty( pValue )) ) { mQuantity = 0; mAccessor.setInput( "", "" ); return; } try { mQuantity = Integer.parseInt( pValue ); } catch ( NumberFormatException e ) { mAccessor.setQuantityError( "Not Parseable" ); return; } if ( mAdding ) { mAccessor.setInput( "+" + mQuantity, "" ); } else { mAccessor.setInput( "" + mQuantity, "" ); } } public void setErrors( String pErrorBarcode, String pErrorQuantity ) { mAccessor.setScannerError( pErrorBarcode ); mAccessor.setQuantityError( pErrorQuantity ); } public void ok() { mAdding = false; mQuantity = 0; mAccessor.initialize(); mAccessor.setInput( "", "" ); mAccessor.setQuantityError( "" ); mAccessor.setScannerError( "" ); } } |