Allow reordering of custom entry types fields

src/main/java/org/jabref/gui/DragAndDropDataFormats.java

@@ -11,6 +11,7 @@
  */
 public class DragAndDropDataFormats {
 
+    public static final DataFormat FIELD = new DataFormat("dnd/org.jabref.model.entry.field.Field");
     public static final DataFormat GROUP = new DataFormat("dnd/org.jabref.model.groups.GroupTreeNode");
     public static final DataFormat LINKED_FILE = new DataFormat("dnd/org.jabref.model.entry.LinkedFile");
     public static final DataFormat ENTRIES = new DataFormat("dnd/org.jabref.model.entry.BibEntries");

src/main/java/org/jabref/gui/customentrytypes/CustomEntryTypeDialogViewModel.java

@@ -3,16 +3,12 @@
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
-import java.util.HashMap;
 import java.util.List;
-import java.util.Map;
 import java.util.function.Predicate;
 import java.util.stream.Collectors;
 
 import javafx.beans.Observable;
-import javafx.beans.property.ListProperty;
 import javafx.beans.property.ObjectProperty;
-import javafx.beans.property.SimpleListProperty;
 import javafx.beans.property.SimpleObjectProperty;
 import javafx.beans.property.SimpleStringProperty;
 import javafx.beans.property.StringProperty;
@@ -34,7 +30,6 @@
 import org.jabref.model.entry.types.UnknownEntryType;
 import org.jabref.preferences.PreferencesService;
 
-import com.tobiasdiez.easybind.EasyBind;
 import de.saxsys.mvvmfx.utils.validation.FunctionBasedValidator;
 import de.saxsys.mvvmfx.utils.validation.ValidationMessage;
 import de.saxsys.mvvmfx.utils.validation.ValidationStatus;
@@ -55,18 +50,14 @@ public Field fromString(String string) {
         }
     };
 
-    private final ListProperty<BibEntryType> entryTypes;
-    private final ListProperty<Field> fields;
-    private final ObjectProperty<BibEntryType> selectedEntryTypes = new SimpleObjectProperty<>();
-    private final ListProperty<FieldViewModel> fieldsForType;
+    private final ObservableList<Field> fieldsForAdding = FXCollections.observableArrayList(FieldFactory.getStandardFielsdsWithBibTexKey());
+    private final ObjectProperty<CustomEntryTypeViewModel> selectedEntryType = new SimpleObjectProperty<>();
     private final ObjectProperty<Field> selectedFieldToAdd = new SimpleObjectProperty<>();
     private final StringProperty entryTypeToAdd = new SimpleStringProperty("");
-    private final ObservableList<BibEntryType> allEntryTypes;
-    private final ObservableList<FieldViewModel> allFieldsForType = FXCollections.observableArrayList(extractor -> new Observable[] {extractor.fieldName(), extractor.fieldType()});
     private final ObjectProperty<Field> newFieldToAdd = new SimpleObjectProperty<>();
     private final BibDatabaseMode mode;
-    private final Map<BibEntryType, List<FieldViewModel>> typesWithFields = new HashMap<>();
-    private final List<BibEntryType> typesToRemove = new ArrayList<>();
+    private final ObservableList<CustomEntryTypeViewModel> entryTypesWithFields = FXCollections.observableArrayList(extractor -> new Observable[] {extractor.entryType(), extractor.fields()});
+    private final List<BibEntryType> entryTypesToDelete = new ArrayList<>();
 
     private final PreferencesService preferencesService;
     private final BibEntryTypesManager entryTypesManager;
@@ -82,37 +73,24 @@ public CustomEntryTypeDialogViewModel(BibDatabaseMode mode, PreferencesService p
         Collection<BibEntryType> allTypes = entryTypesManager.getAllTypes(mode);
         allTypes.addAll(entryTypesManager.getAllCustomTypes(mode));
 
-        allEntryTypes = FXCollections.observableArrayList(allTypes);
-        entryTypes = new SimpleListProperty<>(allEntryTypes);
-
-        fields = new SimpleListProperty<>(FXCollections.observableArrayList(FieldFactory.getCommonFields()));
-
         for (BibEntryType entryType : allTypes) {
-            List<FieldViewModel> fields = entryType.getAllFields().stream().map(bibField -> new FieldViewModel(bibField.getField(), entryType.isRequired(bibField.getField()), bibField.getPriority(), entryType)).collect(Collectors.toList());
-            typesWithFields.put(entryType, fields);
+            CustomEntryTypeViewModel viewModel = new CustomEntryTypeViewModel(entryType);
+            this.entryTypesWithFields.add(viewModel);
         }
 
-        this.fieldsForType = new SimpleListProperty<>(allFieldsForType);
-
-        EasyBind.subscribe(selectedEntryTypes, type -> {
-            if (type != null) {
-                allFieldsForType.setAll(typesWithFields.get(type));
-            }
-        });
-
         Predicate<String> notEmpty = input -> (input != null) && !input.trim().isEmpty();
         entryTypeValidator = new FunctionBasedValidator<>(entryTypeToAdd, notEmpty, ValidationMessage.error(Localization.lang("Entry type cannot be empty. Please enter a name.")));
         fieldValidator = new FunctionBasedValidator<>(newFieldToAdd,
-                input -> input != null && !input.getDisplayName().isEmpty(),
-                ValidationMessage.error(Localization.lang("Field cannot be empty. Please enter a name.")));
+                                                      input -> (input != null) && !input.getDisplayName().isEmpty(),
+                                                      ValidationMessage.error(Localization.lang("Field cannot be empty. Please enter a name.")));
     }
 
-    public ListProperty<BibEntryType> entryTypes() {
-        return this.entryTypes;
+    public ObservableList<CustomEntryTypeViewModel> entryTypes() {
+        return this.entryTypesWithFields;
     }
 
-    public ListProperty<Field> fields() {
-        return this.fields;
+    public ObservableList<Field> fieldsForAdding() {
+        return this.fieldsForAdding;
     }
 
     public enum FieldType {
@@ -138,26 +116,23 @@ public String toString() {
 
     public void addNewField() {
         Field field = newFieldToAdd.getValue();
-        FieldViewModel model = new FieldViewModel(field, true, FieldPriority.IMPORTANT, selectedEntryTypes.getValue());
-        typesWithFields.computeIfAbsent(selectedEntryTypes.getValue(), key -> new ArrayList<>()).add(model);
-        allFieldsForType.add(model);
+        FieldViewModel model = new FieldViewModel(field, true, FieldPriority.IMPORTANT);
+        this.selectedEntryType.getValue().addField(model);
         newFieldToAddProperty().setValue(null);
     }
 
-    public void addNewCustomEntryType() {
+    public CustomEntryTypeViewModel addNewCustomEntryType() {
         EntryType newentryType = new UnknownEntryType(entryTypeToAdd.getValue());
         BibEntryType type = new BibEntryType(newentryType, new ArrayList<>(), Collections.emptyList());
-        this.allEntryTypes.add(type);
+        CustomEntryTypeViewModel viewModel = new CustomEntryTypeViewModel(type);
+        this.entryTypesWithFields.add(viewModel);
         this.entryTypeToAdd.setValue("");
-        this.typesWithFields.put(type, new ArrayList<>());
-    }
 
-    public ObjectProperty<BibEntryType> selectedEntryTypeProperty() {
-        return this.selectedEntryTypes;
+        return viewModel;
     }
 
-    public ListProperty<FieldViewModel> fieldsforTypesProperty() {
-        return this.fieldsForType;
+    public ObjectProperty<CustomEntryTypeViewModel> selectedEntryTypeProperty() {
+        return this.selectedEntryType;
     }
 
     public ObjectProperty<Field> selectedFieldToAddProperty() {
@@ -180,22 +155,26 @@ public ValidationStatus fieldValidationStatus() {
         return fieldValidator.getValidationStatus();
     }
 
-    public void removeEntryType(BibEntryType focusedItem) {
-        typesToRemove.add(focusedItem);
-        typesWithFields.remove(focusedItem);
-        allEntryTypes.remove(focusedItem);
+    public void removeEntryType(CustomEntryTypeViewModel focusedItem) {
+        entryTypesWithFields.remove(focusedItem);
+        this.entryTypesToDelete.add(focusedItem.entryType().getValue());
     }
 
     public void removeField(FieldViewModel focusedItem) {
-        typesWithFields.computeIfAbsent(selectedEntryTypes.getValue(), key -> new ArrayList<>()).remove(focusedItem);
-        allFieldsForType.remove(focusedItem);
+        this.selectedEntryType.getValue().removeField(focusedItem);
+    }
+
+    public void resetAllCustomEntryTypes() {
+        this.preferencesService.clearAllBibEntryTypes();
+        entryTypesManager.addCustomOrModifiedTypes(preferencesService.loadBibEntryTypes(BibDatabaseMode.BIBTEX),
+                                                   preferencesService.loadBibEntryTypes(BibDatabaseMode.BIBLATEX));
     }
 
     public void apply() {
 
-        for (var typeWithField : typesWithFields.entrySet()) {
-            BibEntryType type = typeWithField.getKey();
-            List<FieldViewModel> allFields = typeWithField.getValue();
+        for (var typeWithField : entryTypesWithFields) {
+            BibEntryType type = typeWithField.entryType().getValue();
+            List<FieldViewModel> allFields = typeWithField.fields();
 
             List<OrFields> requiredFields = allFields.stream().filter(field -> field.getFieldType() == FieldType.REQUIRED).map(FieldViewModel::getField).map(OrFields::new).collect(Collectors.toList());
             List<BibField> otherFields = allFields.stream().filter(field -> field.getFieldType() == FieldType.OPTIONAL).map(bibField -> new BibField(bibField.getField(), bibField.getFieldPriority())).collect(Collectors.toList());
@@ -204,13 +183,13 @@ public void apply() {
             entryTypesManager.addCustomOrModifiedType(newType, mode);
         }
 
-        for (var type : typesToRemove) {
-            entryTypesManager.removeCustomOrModifiedEntryType(type, mode);
+        for (var entryType: entryTypesToDelete) {
+            entryTypesManager.removeCustomOrModifiedEntryType(entryType, mode);
         }
+
         preferencesService.saveCustomEntryTypes();
         // Reload types from preferences to make sure any modifications are present when reopening the dialog
-        entryTypesManager.addCustomOrModifiedTypes(
-                preferencesService.loadBibEntryTypes(BibDatabaseMode.BIBTEX),
-                preferencesService.loadBibEntryTypes(BibDatabaseMode.BIBLATEX));
+        entryTypesManager.addCustomOrModifiedTypes(preferencesService.loadBibEntryTypes(BibDatabaseMode.BIBTEX),
+                                                   preferencesService.loadBibEntryTypes(BibDatabaseMode.BIBLATEX));
     }
 }

src/main/java/org/jabref/gui/customentrytypes/CustomEntryTypeViewModel.java

@@ -0,0 +1,64 @@
+package org.jabref.gui.customentrytypes;
+
+import java.util.List;
+import java.util.Objects;
+import java.util.stream.Collectors;
+
+import javafx.beans.property.ObjectProperty;
+import javafx.beans.property.SimpleObjectProperty;
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
+
+import org.jabref.model.entry.BibEntryType;
+
+public class CustomEntryTypeViewModel {
+
+    private final ObjectProperty<BibEntryType> entryType = new SimpleObjectProperty<>();
+    private final ObservableList<FieldViewModel> fields;
+
+    public CustomEntryTypeViewModel(BibEntryType entryType) {
+        this.entryType.set(entryType);
+
+        List<FieldViewModel> allFieldsForType = entryType.getAllFields().stream().map(bibField -> new FieldViewModel(bibField.getField(), entryType.isRequired(bibField.getField()), bibField.getPriority())).collect(Collectors.toList());
+        fields = FXCollections.observableArrayList((allFieldsForType));
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(entryType, fields);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (!(obj instanceof CustomEntryTypeViewModel)) {
+            return false;
+        }
+        CustomEntryTypeViewModel other = (CustomEntryTypeViewModel) obj;
+        return Objects.equals(entryType, other.entryType) && Objects.equals(fields, other.fields);
+    }
+
+    public void addField(FieldViewModel field) {
+        this.fields.add(field);
+    }
+
+    public ObservableList<FieldViewModel> fields() {
+        return this.fields;
+    }
+
+    public ObjectProperty<BibEntryType> entryType() {
+        return this.entryType;
+    }
+
+    public void removeField(FieldViewModel focusedItem) {
+        this.fields.remove(focusedItem);
+    }
+
+    @Override
+    public String toString() {
+        return "CustomEntryTypeViewModel [entryType=" + entryType + ", fields=" + fields + "]";
+    }
+
+}

src/main/java/org/jabref/gui/customentrytypes/CustomizeEntryTypeDialog.fxml

@@ -96,4 +96,5 @@
     <ButtonType fx:id="applyButton" buttonData="OK_DONE"
                 text="%Apply"/>
     <ButtonType fx:constant="CANCEL"/>
+    <ButtonType fx:id="resetButton" buttonData="LEFT" text="%Reset" />
 </DialogPane>