Quintiq file version 2.0 
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#parent: #root 
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StaticMethod GetIsUniqueCost ( 
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  output String feedback_o, 
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  StockingPoint_MPs stockingPoints, 
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  StockingPointCosts stockingPointCosts, 
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  String accountName, 
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  String costDriver, 
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  Date start 
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) declarative remote as Boolean 
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{ 
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  Description: '(Web) Precondition to check stocking point cost whether is unique' 
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  TextBody: 
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  [* 
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    // Check dialog input is unique cost 
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    // No need verify batch edit as not possible to edit cost driver/account/start  
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    isCreate := stockingPointCosts.Size() = 0; // Empty cost indicate create mode (single create allowed only) 
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    if( isCreate ) 
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    { 
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      // Separate validation on creation 
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      // Single or drag&drop multiple 
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      traverse( stockingPoints, Elements, sp ) 
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      { 
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        StockingPointCost::GetIsUniqueCost( feedback_o, 
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                                            null( StockingPointCost ), // Does not have SP cost to validate 
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                                            sp, 
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                                            accountName, 
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                                            costDriver, 
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                                            start ); 
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      } 
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    } 
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    else if( stockingPointCosts.Size() = 1 ) // Single edit, as batch edit not allowed to change cost driver/start/account thus no validation required 
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    { 
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      // Don't use TC validation as the feedback text is generic. We want specific text when not unique 
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      stockingPointCostToEdit := stockingPointCosts.Element( 0 ); 
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      stockingPointToEdit := stockingPoints.Element( 0 ); // Based on user current selection 
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      StockingPointCost::GetIsUniqueCost( feedback_o, 
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                                          stockingPointCostToEdit, 
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                                          stockingPointToEdit, 
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                                          accountName, 
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                                          costDriver, 
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                                          start ); 
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    } 
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    return feedback_o = ''; 
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  *] 
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} 
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