implemented D&D material from an asset tree to material property control

Author: JavaSaBr

src/com/ss/editor/ui/component/editor/impl/scene/AbstractSceneFileEditor.java

@@ -818,7 +818,6 @@ protected void dragDropped(@NotNull final DragEvent dragEvent) {
             return;
         }
 
-
         for (final File file : files) {
 
             if (file.getName().endsWith(FileExtensions.JME_OBJECT)) {
@@ -829,6 +828,25 @@ protected void dragDropped(@NotNull final DragEvent dragEvent) {
         }
     }
 
+    /**
+     * Handle drag over.
+     */
+    protected void dragOver(@NotNull final DragEvent dragEvent) {
+
+        final Dragboard dragboard = dragEvent.getDragboard();
+        final List<File> files = unsafeCast(dragboard.getContent(DataFormat.FILES));
+
+        if (files == null || files.isEmpty()) {
+            return;
+        }
+
+        final Set<TransferMode> transferModes = dragboard.getTransferModes();
+        final boolean isCopy = transferModes.contains(TransferMode.COPY);
+
+        dragEvent.acceptTransferModes(isCopy ? TransferMode.COPY : TransferMode.MOVE);
+        dragEvent.consume();
+    }
+
     /**
      * Apply a new material from an asset tree.
      *
@@ -903,25 +921,6 @@ protected void addNewModel(final @NotNull DragEvent dragEvent, @NotNull final Pa
         });
     }
 
-    /**
-     * Handle drag over.
-     */
-    protected void dragOver(@NotNull final DragEvent dragEvent) {
-
-        final Dragboard dragboard = dragEvent.getDragboard();
-        final List<File> files = unsafeCast(dragboard.getContent(DataFormat.FILES));
-
-        if (files == null || files.isEmpty()) {
-            return;
-        }
-
-        final Set<TransferMode> transferModes = dragboard.getTransferModes();
-        final boolean isCopy = transferModes.contains(TransferMode.COPY);
-
-        dragEvent.acceptTransferModes(isCopy ? TransferMode.COPY : TransferMode.MOVE);
-        dragEvent.consume();
-    }
-
     protected static void calcVSplitSize(@NotNull final SplitPane splitContainer) {
         splitContainer.setDividerPosition(0, 0.3);
     }

src/com/ss/editor/ui/control/model/property/control/MaterialKeyModelPropertyControl.java

@@ -54,10 +54,8 @@ protected void processChange() {
         dialog.show(scene.getWindow());
     }
 
-    /**
-     * Add the mew material.
-     */
-    private void addMaterial(@NotNull final Path file) {
+    @Override
+    protected void addMaterial(@NotNull final Path file) {
 
         final Path assetFile = Objects.requireNonNull(getAssetFile(file));
         final MaterialKey materialKey = new MaterialKey(toAssetPath(assetFile));

src/com/ss/editor/ui/control/model/property/control/MaterialModelPropertyControl.java

@@ -1,5 +1,7 @@
 package com.ss.editor.ui.control.model.property.control;
 
+import static rlib.util.ClassUtils.unsafeCast;
+
 import com.jme3.material.Material;
 import com.jme3.scene.Spatial;
 import com.ss.editor.Editor;
@@ -15,12 +17,20 @@
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
+import java.io.File;
+import java.nio.file.Path;
+import java.util.List;
 import java.util.Objects;
+import java.util.Set;
 
 import javafx.geometry.Insets;
 import javafx.scene.control.Button;
 import javafx.scene.control.Label;
 import javafx.scene.image.ImageView;
+import javafx.scene.input.DataFormat;
+import javafx.scene.input.DragEvent;
+import javafx.scene.input.Dragboard;
+import javafx.scene.input.TransferMode;
 import javafx.scene.layout.HBox;
 import rlib.ui.util.FXUtils;
 import rlib.util.array.Array;
@@ -54,8 +64,70 @@ public class MaterialModelPropertyControl<T extends Spatial, V> extends ModelPro
     public MaterialModelPropertyControl(@Nullable final V element, @NotNull final String paramName,
                                         @NotNull final ModelChangeConsumer modelChangeConsumer) {
         super(element, paramName, modelChangeConsumer);
+        setOnDragOver(this::dragOver);
+        setOnDragDropped(this::dragDropped);
+        setOnDragExited(this::dragExited);
+    }
+
+    /**
+     * Handle grad exiting.
+     */
+    private void dragExited(@NotNull final DragEvent dragEvent) {
+
     }
 
+    /**
+     * Handle dropped files to editor.
+     */
+    private void dragDropped(@NotNull final DragEvent dragEvent) {
+
+        final Dragboard dragboard = dragEvent.getDragboard();
+        final List<File> files = unsafeCast(dragboard.getContent(DataFormat.FILES));
+
+        if (files == null || files.size() != 1) {
+            return;
+        }
+
+        final File file = files.get(0);
+        if (!file.getName().endsWith(FileExtensions.JME_MATERIAL)) {
+            return;
+        }
+
+        addMaterial(file.toPath());
+    }
+
+    /**
+     * Handle drag over.
+     */
+    private void dragOver(@NotNull final DragEvent dragEvent) {
+
+        final Dragboard dragboard = dragEvent.getDragboard();
+        final List<File> files = unsafeCast(dragboard.getContent(DataFormat.FILES));
+
+        if (files == null || files.size() != 1) {
+            return;
+        }
+
+        final File file = files.get(0);
+        if (!file.getName().endsWith(FileExtensions.JME_MATERIAL)) {
+            return;
+        }
+
+        final Set<TransferMode> transferModes = dragboard.getTransferModes();
+        final boolean isCopy = transferModes.contains(TransferMode.COPY);
+
+        dragEvent.acceptTransferModes(isCopy ? TransferMode.COPY : TransferMode.MOVE);
+        dragEvent.consume();
+    }
+
+    /**
+     * Add the mew material.
+     */
+    protected void addMaterial(@NotNull final Path file) {
+
+    }
+
+
     @Override
     protected void createComponents(@NotNull final HBox container) {
         super.createComponents(container);