X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.ui%2Fsrc%2Forg%2Fsimantics%2Fui%2Fdnd%2FResourceReferenceTransfer.java;fp=bundles%2Forg.simantics.ui%2Fsrc%2Forg%2Fsimantics%2Fui%2Fdnd%2FResourceReferenceTransfer.java;h=98bca314dd6f7b0910db7704cc773421bfed307d;hb=0ae2b770234dfc3cbb18bd38f324125cf0faca07;hp=10e39c1302e65f39cd31e3f76d48b1a8256a5d6c;hpb=24e2b34260f219f0d1644ca7a138894980e25b14;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.ui/src/org/simantics/ui/dnd/ResourceReferenceTransfer.java b/bundles/org.simantics.ui/src/org/simantics/ui/dnd/ResourceReferenceTransfer.java
index 10e39c130..98bca314d 100644
--- a/bundles/org.simantics.ui/src/org/simantics/ui/dnd/ResourceReferenceTransfer.java
+++ b/bundles/org.simantics.ui/src/org/simantics/ui/dnd/ResourceReferenceTransfer.java
@@ -1,145 +1,145 @@
-/*******************************************************************************
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management
- * in Industry THTH ry.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- *     VTT Technical Research Centre of Finland - initial API and implementation
- *******************************************************************************/
-package org.simantics.ui.dnd;
-
-import org.eclipse.swt.dnd.ByteArrayTransfer;
-import org.eclipse.swt.dnd.DND;
-import org.eclipse.swt.dnd.TextTransfer;
-import org.eclipse.swt.dnd.TransferData;
-import org.simantics.db.Resource;
-import org.simantics.db.Session;
-import org.simantics.db.common.ResourceArray;
-import org.simantics.db.exception.DatabaseException;
-import org.simantics.db.service.SerialisationSupport;
-import org.simantics.ui.SimanticsUI;
-
-/**
- * @author Tuukka Lehtonen
- */
-public class ResourceReferenceTransfer extends ByteArrayTransfer {
-
-    private static final String                    TYPENAME = "ResourceReferenceTransfer";
-
-    private static final int                       TYPEID   = registerType(TYPENAME);
-
-    private static final ResourceReferenceTransfer INSTANCE = createInstance((String) null);
-
-    private String                                 purpose;
-    private Session                                session;
-
-    public static ResourceReferenceTransfer getInstance() {
-        return INSTANCE;
-    }
-
-    public static ResourceReferenceTransfer createInstance(Session session) {
-        ResourceReferenceTransfer result = new ResourceReferenceTransfer(null);
-        result.session = session;
-        return result;
-    }
-
-    public static ResourceReferenceTransfer createInstance(String purpose) {
-        ResourceReferenceTransfer result = new ResourceReferenceTransfer(purpose);
-        return result;
-    }
-
-    ResourceReferenceTransfer(String purpose) {
-        this.purpose = purpose;
-    }
-
-    private Session getSession() {
-        // NOTE return SimanticsUI is a big HAXXX
-        return session == null ? SimanticsUI.getSession() : session;
-    }
-
-    public void javaToNative(Object object, TransferData transferData) {
-        if (!checkResourceReference(object) || !isSupportedType(transferData)) {
-            DND.error(DND.ERROR_INVALID_DATA);
-        }
-        ResourceArray[] resources = null;
-        if (object instanceof Resource)
-            resources = new ResourceArray[] {new ResourceArray((Resource) object)};
-        if (object instanceof Resource[])
-            resources = new ResourceArray[] {new ResourceArray((Resource[]) object)};
-        if (object instanceof ResourceArray)
-            resources = new ResourceArray[] {(ResourceArray) object};
-        if (object instanceof ResourceArray[])
-            resources = (ResourceArray[]) object;
-        if (resources==null)
-            DND.error(DND.ERROR_INVALID_DATA);
-        //throw new IllegalArgumentException();
-
-        // write data to a byte array and then ask super to convert to
-        // pMedium
-        Session s = getSession();
-        SerialisationSupport support = s.getService(SerialisationSupport.class);
-        ResourceTransferData rtd = new ResourceTransferData(s, resources);
-        rtd.setPurpose(purpose);
-
-        Object buffer;
-        try {
-            buffer = ResourceTransferUtils.createStringTransferable(support, rtd);
-        } catch (DatabaseException e) {
-            throw new RuntimeException(e);
-        }
-        TextTransfer.getInstance().javaToNative(buffer, transferData);
-    }
-
-    public Object nativeToJava(TransferData transferData) {
-        if (isSupportedType(transferData)) {
-            String buffer = (String) TextTransfer.getInstance().nativeToJava(transferData);
-            if (buffer == null)
-                return null;
-
-            Session s = getSession();
-            SerialisationSupport support = s.getService(SerialisationSupport.class);
-            ResourceTransferData rtd;
-            try {
-                rtd = ResourceTransferUtils.readStringTransferable(support, buffer);
-            } catch (IllegalArgumentException e) {
-                throw new RuntimeException(e);
-            } catch (DatabaseException e) {
-                throw new RuntimeException(e);
-            }
-            // FIXME: the transferred "purpose" data cannot be passed further
-            // because this method is currently assumed to return
-            // ResourceArray[] instead of ResourceTransferData
-            return rtd.toResourceArrayArray();
-        }
-        return null;
-    }
-
-    protected String[] getTypeNames() {
-        return new String[] { TYPENAME };
-    }
-
-    protected int[] getTypeIds() {
-        return new int[] { TYPEID };
-    }
-
-    boolean checkResourceReference(Object object) {
-        System.out.println("o = " + object);
-        if (object == null) return false;
-        if ( !(object instanceof ResourceArray[]) || ((ResourceArray[]) object).length == 0) {
-            return false;
-        }
-//        ResourceReference[] ResourceReferences = (ResourceReference[]) object;
-//        for (int i = 0; i < ResourceReferences.length; i++) {
-//            // Check each reference if there is something to check
-//        }
-        return true;
-    }
-
-    protected boolean validate(Object object) {
-        return checkResourceReference(object);
-    }
-
-}
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.ui.dnd;
+
+import org.eclipse.swt.dnd.ByteArrayTransfer;
+import org.eclipse.swt.dnd.DND;
+import org.eclipse.swt.dnd.TextTransfer;
+import org.eclipse.swt.dnd.TransferData;
+import org.simantics.db.Resource;
+import org.simantics.db.Session;
+import org.simantics.db.common.ResourceArray;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.service.SerialisationSupport;
+import org.simantics.ui.SimanticsUI;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class ResourceReferenceTransfer extends ByteArrayTransfer {
+
+    private static final String                    TYPENAME = "ResourceReferenceTransfer";
+
+    private static final int                       TYPEID   = registerType(TYPENAME);
+
+    private static final ResourceReferenceTransfer INSTANCE = createInstance((String) null);
+
+    private String                                 purpose;
+    private Session                                session;
+
+    public static ResourceReferenceTransfer getInstance() {
+        return INSTANCE;
+    }
+
+    public static ResourceReferenceTransfer createInstance(Session session) {
+        ResourceReferenceTransfer result = new ResourceReferenceTransfer(null);
+        result.session = session;
+        return result;
+    }
+
+    public static ResourceReferenceTransfer createInstance(String purpose) {
+        ResourceReferenceTransfer result = new ResourceReferenceTransfer(purpose);
+        return result;
+    }
+
+    ResourceReferenceTransfer(String purpose) {
+        this.purpose = purpose;
+    }
+
+    private Session getSession() {
+        // NOTE return SimanticsUI is a big HAXXX
+        return session == null ? SimanticsUI.getSession() : session;
+    }
+
+    public void javaToNative(Object object, TransferData transferData) {
+        if (!checkResourceReference(object) || !isSupportedType(transferData)) {
+            DND.error(DND.ERROR_INVALID_DATA);
+        }
+        ResourceArray[] resources = null;
+        if (object instanceof Resource)
+            resources = new ResourceArray[] {new ResourceArray((Resource) object)};
+        if (object instanceof Resource[])
+            resources = new ResourceArray[] {new ResourceArray((Resource[]) object)};
+        if (object instanceof ResourceArray)
+            resources = new ResourceArray[] {(ResourceArray) object};
+        if (object instanceof ResourceArray[])
+            resources = (ResourceArray[]) object;
+        if (resources==null)
+            DND.error(DND.ERROR_INVALID_DATA);
+        //throw new IllegalArgumentException();
+
+        // write data to a byte array and then ask super to convert to
+        // pMedium
+        Session s = getSession();
+        SerialisationSupport support = s.getService(SerialisationSupport.class);
+        ResourceTransferData rtd = new ResourceTransferData(s, resources);
+        rtd.setPurpose(purpose);
+
+        Object buffer;
+        try {
+            buffer = ResourceTransferUtils.createStringTransferable(support, rtd);
+        } catch (DatabaseException e) {
+            throw new RuntimeException(e);
+        }
+        TextTransfer.getInstance().javaToNative(buffer, transferData);
+    }
+
+    public Object nativeToJava(TransferData transferData) {
+        if (isSupportedType(transferData)) {
+            String buffer = (String) TextTransfer.getInstance().nativeToJava(transferData);
+            if (buffer == null)
+                return null;
+
+            Session s = getSession();
+            SerialisationSupport support = s.getService(SerialisationSupport.class);
+            ResourceTransferData rtd;
+            try {
+                rtd = ResourceTransferUtils.readStringTransferable(support, buffer);
+            } catch (IllegalArgumentException e) {
+                throw new RuntimeException(e);
+            } catch (DatabaseException e) {
+                throw new RuntimeException(e);
+            }
+            // FIXME: the transferred "purpose" data cannot be passed further
+            // because this method is currently assumed to return
+            // ResourceArray[] instead of ResourceTransferData
+            return rtd.toResourceArrayArray();
+        }
+        return null;
+    }
+
+    protected String[] getTypeNames() {
+        return new String[] { TYPENAME };
+    }
+
+    protected int[] getTypeIds() {
+        return new int[] { TYPEID };
+    }
+
+    boolean checkResourceReference(Object object) {
+        System.out.println("o = " + object);
+        if (object == null) return false;
+        if ( !(object instanceof ResourceArray[]) || ((ResourceArray[]) object).length == 0) {
+            return false;
+        }
+//        ResourceReference[] ResourceReferences = (ResourceReference[]) object;
+//        for (int i = 0; i < ResourceReferences.length; i++) {
+//            // Check each reference if there is something to check
+//        }
+        return true;
+    }
+
+    protected boolean validate(Object object) {
+        return checkResourceReference(object);
+    }
+
+}