Add clean DnD Test

Author: aloowood

examples/.settings/org.eclipse.core.resources.prefs

@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+encoding/<project>=UTF-8

features/.project

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>features</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+	</buildSpec>
+	<natures>
+	</natures>
+</projectDescription>

tests/org.eclipse.ui.tests.dnd/.classpath

@@ -1,10 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-21">
-		<attributes>
-			<attribute name="module" value="true"/>
-		</attributes>
-	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-21"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src">
 		<attributes>

tests/org.eclipse.ui.tests.dnd/.project

@@ -20,9 +20,15 @@
 			<arguments>
 			</arguments>
 		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.api.tools.apiAnalysisBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
 	</buildSpec>
 	<natures>
 		<nature>org.eclipse.pde.PluginNature</nature>
 		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.pde.api.tools.apiAnalysisNature</nature>
 	</natures>
 </projectDescription>

tests/org.eclipse.ui.tests.dnd/META-INF/MANIFEST.MF

@@ -3,21 +3,8 @@ Bundle-ManifestVersion: 2
 Bundle-Name: Dnd
 Bundle-SymbolicName: org.eclipse.ui.tests.dnd
 Bundle-Version: 1.0.0.qualifier
-Require-Bundle: org.eclipse.swt,
- org.eclipse.jface,
- org.junit;bundle-version="4.13.2",
- org.eclipse.ui;bundle-version="3.207.300",
- org.eclipse.ui.tests;bundle-version="3.15.2100",
- org.eclipse.ui.workbench.texteditor;bundle-version="3.19.300",
- org.eclipse.core.runtime;bundle-version="3.33.100",
- org.eclipse.core.resources;bundle-version="3.22.200",
- org.eclipse.ui.tests.harness;bundle-version="1.10.600",
- junit-jupiter-api;bundle-version="5.12.2",
- junit-platform-suite-api;bundle-version="1.12.2"
+Require-Bundle: junit-jupiter-api;bundle-version="5.13.4",
+ org.eclipse.jface;bundle-version="3.38.0",
+ org.eclipse.e4.ui.workbench.addons.swt;bundle-version="1.5.800"
 Automatic-Module-Name: org.eclipse.ui.tests.dnd
 Bundle-RequiredExecutionEnvironment: JavaSE-21
-Import-Package: org.eclipse.e4.ui.model.application.ui.basic,
- org.eclipse.ui.part,
- org.junit.jupiter.params;version="[5.12.0,6.0.0)",
- org.junit.jupiter.params.provider;version="[5.12.0,6.0.0)",
- org.junit.platform.engine.support.descriptor;version="[1.12.0,2.0.0)"

tests/org.eclipse.ui.tests.dnd/build.properties

@@ -1,21 +1,4 @@
-###############################################################################
-# Copyright (c) 2025 Ali Muhsin KÖKSAL and others.
-#
-# This program and the accompanying materials
-# are made available under the terms of the Eclipse Public License 2.0
-# which accompanies this distribution, and is available at
-# https://www.eclipse.org/legal/epl-2.0/
-#
-# SPDX-License-Identifier: EPL-2.0
-###############################################################################
-
 source.. = src/
 output.. = bin/
 bin.includes = META-INF/,\
-               .,\
-               test.xml
-
-
-# Maven properties, see https://github.com/eclipse/tycho/wiki/Tycho-Pomless
-pom.model.property.testClass = org.eclipse.ui.tests.dnd.DragTestSuite
-pom.model.property.defaultSigning-excludeInnerJars = true
+               .

tests/org.eclipse.ui.tests.dnd/src/org/eclipse/ui/tests/dnd/DataTypeValidator.java

@@ -0,0 +1,35 @@
+package org.eclipse.ui.tests.dnd;
+
+import org.eclipse.swt.widgets.List;
+import org.eclipse.swt.widgets.Table;
+import org.eclipse.swt.widgets.TableItem;
+import org.eclipse.swt.widgets.Tree;
+import org.eclipse.swt.widgets.TreeItem;
+import org.eclipse.swt.widgets.Widget;
+
+public class DataTypeValidator {
+	
+    public boolean isValidDrop(Widget target, Object data) {
+        if (target == null || data == null) {
+            System.out.println("Invalid drop: target or data is null");
+            return false;
+        }
+
+        if (target instanceof List) {
+            boolean valid = data instanceof String;
+            if (!valid) System.out.println("Invalid drop: List can only accept String data");
+            return valid;
+        } else if (target instanceof Tree) {
+            boolean valid = data instanceof String || data instanceof TreeItem;
+            if (!valid) System.out.println("Invalid drop: Tree can only accept String or TreeItem data");
+            return valid;
+        } else if (target instanceof Table) {
+            boolean valid = data instanceof TableItem;
+            if (!valid) System.out.println("Invalid drop: Table can only accept TableItem data");
+            return valid;
+        }
+
+        System.out.println("Invalid drop: Unsupported widget type " + target.getClass().getSimpleName());
+        return false;
+    }
+}

tests/org.eclipse.ui.tests.dnd/src/org/eclipse/ui/tests/dnd/DetachedDropTarget.java

@@ -0,0 +1,47 @@
+package org.eclipse.ui.tests.dnd;
+
+import org.eclipse.swt.dnd.DragSourceEvent;
+import org.eclipse.swt.widgets.Widget;
+import java.util.Arrays;
+
+public class DnDEventFactory {
+
+    public DragSourceEvent createDragStartEvent(Widget source, Object... items) {
+        if (source == null) {
+            throw new IllegalArgumentException("Source widget cannot be null");
+        }
+
+        DragSourceEvent event = new DragSourceEvent(null);
+        event.widget = source;
+        event.data = items != null ? items : new Object[0];
+        event.detail = 0; 
+
+        System.out.println("DragStartEvent created for source: " + source 
+                           + " with items: " + Arrays.toString((Object[]) event.data));
+
+        return event;
+    }
+    
+    public DragSourceEvent createDragSetDataEvent(Widget source, Object data, int operation) {
+        if (source == null) throw new IllegalArgumentException("Source widget cannot be null");
+        DragSourceEvent event = new DragSourceEvent(null);
+        event.widget = source;
+        event.data = data;
+        event.detail = operation;
+
+        System.out.println("DragSetDataEvent created for source: " + source 
+                           + ", data: " + data + ", operation: " + operation);
+        return event;
+    }
+
+    public DragSourceEvent createDragFinishedEvent(Widget source, int operation) {
+        if (source == null) throw new IllegalArgumentException("Source widget cannot be null");
+        DragSourceEvent event = new DragSourceEvent(null);
+        event.widget = source;
+        event.detail = operation;
+
+        System.out.println("DragFinishedEvent created for source: " + source 
+                           + ", operation: " + operation);
+        return event;
+    }
+}