#53 fixed bug get sow date from harvest date + javadoc Plant and SelectSowDayController

src/main/java/ch/zhaw/gartenverwaltung/SelectSowDayController.java

@@ -31,31 +31,50 @@ public class SelectSowDayController implements Initializable {
     @FXML
     private RadioButton sow_radio;
 
+    /**
+     * close the date selector window
+     * @param event event
+     */
     @FXML
     void cancel(ActionEvent event) {
         closeWindow();
     }
 
+    /**
+     * get sow date from datePicker or calculate sow date from harvest date
+     * save selected plant and sow date
+     * @param event event
+     */
     @FXML
     void save(ActionEvent event) {
         //ToDo save plant and sow date to crop/gardenplan model
-        System.out.println(selectedPlant);
+        LocalDate sowDate;
         if (sow_radio.isSelected()) {
-            System.out.println(datepicker.getValue());
+            sowDate = datepicker.getValue();
         } else {
             //ToDo method to get current lifecycle group in plant
-            //ToDo error when
-            //what's up with that group thing in life_cycle we have hardiness zone for that
-            System.out.println(selectedPlant.sowDateFromHarvestDate(datepicker.getValue(), 0));
+            sowDate = selectedPlant.sowDateFromHarvestDate(datepicker.getValue(), 0);
         }
+        System.out.println(sowDate);
+        System.out.println(selectedPlant);
         closeWindow();
     }
 
+    /**
+     * save the plant which will be planted and update label
+     * @param plant Plant
+     */
     public void getSelectedPlant(Plant plant) {
         selectedPlant = plant;
         popup_label.setText("Select Harvest/Sow Date for" + selectedPlant.name());
     }
 
+    /**
+     * add listener and set default values
+     * {@inheritDoc}
+     * @param location location
+     * @param resources resources
+     */
     @Override
     public void initialize(URL location, ResourceBundle resources) {
         clearDatePickerEntries();
@@ -67,6 +86,9 @@ public class SelectSowDayController implements Initializable {
         enableDisableSaveButton();
     }
 
+    /**
+     * clear date picker editor when radio button is changed
+     */
     private void clearDatePickerEntries() {
         sow_radio.selectedProperty().addListener(new ChangeListener<Boolean>() {
             @Override
@@ -76,6 +98,10 @@ public class SelectSowDayController implements Initializable {
         });
     }
 
+    /**
+     * date picker disable/enable dates according to selected plant: sow or harvest day
+     * @return cellFactory of datePicker
+     */
     private Callback<DatePicker, DateCell> getDayCellFactory() {
 
         final Callback<DatePicker, DateCell> dayCellFactory = new Callback<DatePicker, DateCell>() {
@@ -103,6 +129,10 @@ public class SelectSowDayController implements Initializable {
                                 setStyle("-fx-background-color: #32CD32;");
                             }
                         }
+                        if ((!sow_radio.isSelected() && selectedPlant.sowDateFromHarvestDate(item, 0).compareTo(today) < 0)) {
+                            setDisable(true);
+                            setStyle("-fx-background-color: #ffc0cb;");
+                        }
                     }
                 };
             }
@@ -110,11 +140,17 @@ public class SelectSowDayController implements Initializable {
         return dayCellFactory;
     }
 
+    /**
+     * close date picker window
+     */
     private void closeWindow() {
         Stage stage = (Stage) save_button.getScene().getWindow();
         stage.close();
     }
 
+    /**
+     * disable save button, when there is no date selected in date picker
+     */
     private void enableDisableSaveButton() {
         save_button.setDisable(true);
         datepicker.getEditor().textProperty().addListener(new ChangeListener<String>() {