new feature: clickable error list

src/main/java/ninja/javafx/smartcsv/fx/table/EditableValidationCell.java

@@ -64,12 +64,12 @@ public class EditableValidationCell extends TableCell<CSVRow, CSVValue> {
     protected void updateItem(CSVValue item, boolean empty) {
         super.updateItem(item, empty);
 
-        if (item == null || item.getValid().isValid() || isEditing()) {
+        if (item == null || item.getValidationError() == null || isEditing()) {
             setStyle("");
             setTooltip(null);
-        } else if (!item.getValid().isValid()) {
+        } else if (item.getValidationError() != null) {
             setStyle("-fx-background-color: #ff8888");
-            setTooltip(new Tooltip(item.getValid().error()));
+            setTooltip(new Tooltip(item.getValidationError().getMessage()));
         }
 
         if (item == null || empty) {

src/main/java/ninja/javafx/smartcsv/fx/table/model/CSVModel.java

@@ -28,7 +28,7 @@ package ninja.javafx.smartcsv.fx.table.model;
 
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
-import ninja.javafx.smartcsv.validation.ValidationState;
+import ninja.javafx.smartcsv.validation.ValidationError;
 import ninja.javafx.smartcsv.validation.Validator;
 
 /**
@@ -41,6 +41,7 @@ public class CSVModel {
     private ObservableList<CSVRow> rows = FXCollections.observableArrayList();
     private String[] header;
     private String filepath;
+    private ObservableList<ValidationError> validationError  = FXCollections.observableArrayList();
 
     public CSVModel(String filepath) {
         this.filepath = filepath;
@@ -71,6 +72,10 @@ public class CSVModel {
         return rows;
     }
 
+    public ObservableList<ValidationError> getValidationError() {
+        return validationError;
+    }
+
     /**
      * adds a new and empty row
      * @return the new row
@@ -105,22 +110,37 @@ public class CSVModel {
      * walks through the data and validates each value
      */
     private void revalidate() {
+        validationError.clear();
+
         if (header != null && validator != null) {
-            validator.isHeaderValid(header);
+            addValidationError(validator.isHeaderValid(header));
         }
 
-        for (CSVRow row: rows) {
+        for (int lineNumber = 0; lineNumber < rows.size(); lineNumber++) {
+            CSVRow row = rows.get(lineNumber);
             row.setValidator(validator);
             for (String column: row.getColumns().keySet()) {
                 CSVValue value = row.getColumns().get(column).getValue();
                 value.setValidator(validator);
                 if (validator != null) {
-                    value.setValid(validator.isValid(column, value.getValue()));
+                    ValidationError validationError = validator.isValid(column, value.getValue(), lineNumber);
+                    if (validationError != null) {
+                        addValidationError(validationError);
+                        value.setValidationError(validationError);
+                    } else {
+                        value.setValidationError(null);
+                    }
                 } else {
-                    value.setValid(new ValidationState());
+                    value.setValidationError(null);
                 }
             }
         }
     }
 
+    private void addValidationError(ValidationError validationError) {
+        if (validationError != null) {
+            this.validationError.add(validationError);
+        }
+    }
+
 }

src/main/java/ninja/javafx/smartcsv/fx/table/model/CSVValue.java

@@ -28,7 +28,7 @@ package ninja.javafx.smartcsv.fx.table.model;
 
 import javafx.beans.property.SimpleStringProperty;
 import javafx.beans.property.StringProperty;
-import ninja.javafx.smartcsv.validation.ValidationState;
+import ninja.javafx.smartcsv.validation.ValidationError;
 import ninja.javafx.smartcsv.validation.Validator;
 
 /**
@@ -41,7 +41,7 @@ public class CSVValue {
     private int rowNumber;
     private String column;
     private StringProperty value = new SimpleStringProperty();
-    private ValidationState valid = new ValidationState();
+    private ValidationError valid;
 
     /**
      * single value of a cell
@@ -89,7 +89,7 @@ public class CSVValue {
      */
     public void setValue(String value) {
         if (validator != null) {
-            valid = validator.isValid(column, value);
+            valid = validator.isValid(column, value, rowNumber);
         }
         this.value.set(value);
     }
@@ -98,7 +98,7 @@ public class CSVValue {
      * returns if the value is valid to the rules of the validator
      * @return
      */
-    public ValidationState getValid() {
+    public ValidationError getValidationError() {
         return valid;
     }
 
@@ -106,7 +106,7 @@ public class CSVValue {
      * sets the state if a value is valid or not
      * @param valid the validation state
      */
-    protected void setValid(ValidationState valid) {
+    protected void setValidationError(ValidationError valid) {
         this.valid = valid;
     }
 }