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unique validation has to work on the model to have the correct snapshot of the data

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This commit is contained in:
Andreas Billmann
2016-08-09 20:58:16 +02:00
parent b79a20201e
commit c7873ef0ba
6 changed files with 65 additions and 16 deletions
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42
src/main/java/ninja/javafx/smartcsv/validation/UniqueValidation.java
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@@ -25,26 +25,50 @@
*/
package ninja.javafx.smartcsv.validation;
import java.util.HashMap;
import ninja.javafx.smartcsv.fx.table.model.ColumnValueProvider;
import java.util.ArrayList;
import java.util.List;
import static java.util.Collections.sort;
import static java.util.stream.Collectors.joining;
/**
* Checks if the value is unique in the column
*/
public class UniqueValidation extends EmptyAllowedValidation {
private HashMap<String, Integer> columnValueMap = new HashMap<>();
private ColumnValueProvider columnValueProvider;
private String column;
public UniqueValidation(ColumnValueProvider columnValueProvider, String column) {
this.columnValueProvider = columnValueProvider;
this.column = column;
}
@Override
public void check(int row, String value, ValidationError error) {
Integer valueInLineNumber = columnValueMap.get(value);
if (valueInLineNumber != null) {
if (!valueInLineNumber.equals(row)) {
valueInLineNumber += 1; // show not 0 based line numbers to user
error.add("validation.message.uniqueness", value, valueInLineNumber.toString());
List<Integer> lineNumbers = new ArrayList<>();
int numberOfRows = columnValueProvider.getNumberOfRows();
for (int currentRowOfIteration = 0; currentRowOfIteration < numberOfRows; currentRowOfIteration++) {
String storedValue = columnValueProvider.getValue(currentRowOfIteration, column);
if (storedValue.equals(value) && currentRowOfIteration != row) {
lineNumbers.add(currentRowOfIteration + 1); // show not 0 based line numbers to user
}
} else {
columnValueMap.put(value, row);
}
if (!lineNumbers.isEmpty()) {
if (lineNumbers.size() > 1) {
sort(lineNumbers);
error.add("validation.message.uniqueness.multiple", value, lineNumbers.stream().map(Object::toString).collect(joining(", ")));
} else {
error.add("validation.message.uniqueness.single", value, lineNumbers.get(0).toString());
}
}
}
@Override