Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.g2d / src / org / simantics / g2d / participant / WorkbenchStatusLine.java

diff --git a/bundles/org.simantics.g2d/src/org/simantics/g2d/participant/WorkbenchStatusLine.java b/bundles/org.simantics.g2d/src/org/simantics/g2d/participant/WorkbenchStatusLine.java
new file mode 100644 (file)
index 0000000..1381b2b
--- /dev/null
+++ b/bundles/org.simantics.g2d/src/org/simantics/g2d/participant/WorkbenchStatusLine.java
@@ -0,0 +1,68 @@
+/*******************************************************************************\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.g2d.participant;\r
+\r
+import org.eclipse.jface.action.IStatusLineManager;\r
+import org.eclipse.swt.widgets.Display;\r
+import org.simantics.g2d.canvas.impl.AbstractCanvasParticipant;\r
+import org.simantics.utils.threads.SWTThread;\r
+import org.simantics.utils.threads.ThreadUtils;\r
+\r
+/**\r
+ * A utility participant for accessing the workbench status line.\r
+ * \r
+ * @author Tuukka Lehtonen\r
+ * \r
+ * TODO: add scheduled task to remove messages from status bar\r
+ */\r
+public class WorkbenchStatusLine extends AbstractCanvasParticipant {\r
+\r
+    private final IStatusLineManager statusLine;\r
+\r
+    public WorkbenchStatusLine(IStatusLineManager statusLine) {\r
+        this.statusLine = statusLine;\r
+    }\r
+\r
+    public IStatusLineManager getStatusLine() {\r
+        return statusLine;\r
+    }\r
+\r
+    public void message(final String message) {\r
+        if (statusLine == null)\r
+            return;\r
+\r
+        swtExec(new Runnable() {\r
+            @Override\r
+            public void run() {\r
+                statusLine.setMessage(message);\r
+                statusLine.setErrorMessage(null);\r
+            }\r
+        });\r
+    }\r
+\r
+    public void error(final String message) {\r
+        if (statusLine == null)\r
+            return;\r
+\r
+        swtExec(new Runnable() {\r
+            @Override\r
+            public void run() {\r
+                statusLine.setErrorMessage(message);\r
+            }\r
+        });\r
+    }\r
+\r
+    protected void swtExec(Runnable r) {\r
+        ThreadUtils.asyncExec(SWTThread.getThreadAccess(Display.getDefault()), r);\r
+    }\r
+\r
+}\r