Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.ui / src / org / simantics / ui / icons / GraphOrBundleImageDescriptorProvider.java

diff --git a/bundles/org.simantics.ui/src/org/simantics/ui/icons/GraphOrBundleImageDescriptorProvider.java b/bundles/org.simantics.ui/src/org/simantics/ui/icons/GraphOrBundleImageDescriptorProvider.java
new file mode 100644 (file)
index 0000000..910832e
--- /dev/null
+++ b/bundles/org.simantics.ui/src/org/simantics/ui/icons/GraphOrBundleImageDescriptorProvider.java
@@ -0,0 +1,49 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.ui.icons;\r
+\r
+import org.eclipse.jface.resource.ImageDescriptor;\r
+import org.osgi.framework.Bundle;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.utils.datastructures.cache.ProvisionException;\r
+import org.simantics.utils.ui.BundleUtils;\r
+\r
+/**\r
+ * FIXME: http://www.simantics.org/Layer0-1.0/HasModelledIcon no longer exists!\r
+ */\r
+public class GraphOrBundleImageDescriptorProvider implements ImageDescriptorProvider {\r
+\r
+    private final Bundle    bundle;\r
+    private final String    path;\r
+    private ImageDescriptor desc;\r
+\r
+    public GraphOrBundleImageDescriptorProvider(ReadGraph graph, final Resource resource, Bundle bundle, String path) {\r
+        assert bundle != null;\r
+        assert path != null;\r
+        this.bundle = bundle;\r
+        this.path = path;\r
+        //System.out.println("new bundle image descriptor: " + bundle + ", " + path);\r
+    }\r
+\r
+    @Override\r
+    public ImageDescriptor get() throws ProvisionException {\r
+        if (desc == null) {\r
+            desc = BundleUtils.getImageDescriptorFromBundle(bundle, path);\r
+            if (desc == null)\r
+                throw new ProvisionException("Could not find image in bundle '" + bundle + "' at path + '" + path + "'");\r
+            // desc = ImageDescriptor.getMissingImageDescriptor();\r
+        }\r
+        return desc;\r
+    }\r
+\r
+}\r