Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.g2d / src / org / simantics / g2d / example / LoadingMessageDiagram.java

diff --git a/bundles/org.simantics.g2d/src/org/simantics/g2d/example/LoadingMessageDiagram.java b/bundles/org.simantics.g2d/src/org/simantics/g2d/example/LoadingMessageDiagram.java
new file mode 100644 (file)
index 0000000..b69938d
--- /dev/null
+++ b/bundles/org.simantics.g2d/src/org/simantics/g2d/example/LoadingMessageDiagram.java
@@ -0,0 +1,96 @@
+/*******************************************************************************\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.example;\r
+\r
+import java.awt.Color;\r
+import java.awt.geom.Rectangle2D;\r
+\r
+import org.simantics.g2d.canvas.ICanvasContext;\r
+import org.simantics.g2d.diagram.DiagramClass;\r
+import org.simantics.g2d.diagram.DiagramHints;\r
+import org.simantics.g2d.diagram.IDiagram;\r
+import org.simantics.g2d.diagram.impl.Diagram;\r
+import org.simantics.g2d.element.ElementClass;\r
+import org.simantics.g2d.element.ElementUtils;\r
+import org.simantics.g2d.element.IElement;\r
+import org.simantics.g2d.element.handler.Heartbeat;\r
+import org.simantics.g2d.element.handler.Text;\r
+import org.simantics.g2d.element.handler.impl.DefaultTransform;\r
+import org.simantics.g2d.element.handler.impl.FixedSize;\r
+import org.simantics.g2d.element.handler.impl.TextColorImpl;\r
+import org.simantics.g2d.element.handler.impl.TextPainter;\r
+import org.simantics.g2d.element.impl.Element;\r
+import org.simantics.g2d.elementclass.FilmClass;\r
+\r
+/**\r
+ * Diagram with LOADING... text\r
+ * \r
+ * @author Toni Kalajainen\r
+ */\r
+public class LoadingMessageDiagram {\r
+\r
+    public static final ElementClass LOADING_CLASS =\r
+        ElementClass.compile(\r
+                TextColorImpl.WHITE,\r
+                DefaultTransform.INSTANCE,\r
+                FixedSize.of(30, 20),\r
+                Text.INSTANCE,\r
+                new TextPainter(),\r
+                new LoadingAnimation()\r
+        );\r
+\r
+    public static final IDiagram LOADING_DIAGRAM = createLoadingDiagram();\r
+\r
+    /**\r
+     * Create diagram where flashing "LOADING" text\r
+     * @return\r
+     */\r
+    public static IDiagram createLoadingDiagram()\r
+    {\r
+        String name = "Loading...";\r
+        IDiagram d = Diagram.spawnNew(DiagramClass.DEFAULT);\r
+        d.setHint(DiagramHints.KEY_TEXT, name);\r
+\r
+        IElement film = Element.spawnNew(FilmClass.FILM_CLASS);\r
+        ElementUtils.fitToRectangle(film, new Rectangle2D.Double(0, 4, 40, 30));\r
+        d.addElement(film);\r
+        ElementUtils.setFillColor(film, new Color(0.3f, 0.3f, 0.8f, 0.5f));\r
+\r
+        IElement lbl = Element.spawnNew( LOADING_CLASS );\r
+        d.addElement(lbl);\r
+        ElementUtils.setPos(lbl, 5,7);\r
+        ElementUtils.setText(lbl, "Loading");\r
+        ElementUtils.setTextColor(lbl, Color.WHITE);\r
+\r
+        return d;\r
+    }\r
+\r
+\r
+\r
+    private static class LoadingAnimation implements Heartbeat {\r
+\r
+        private static final long serialVersionUID = 2721735864087380222L;\r
+\r
+        @Override\r
+        public void heartbeat(IElement e, long time, long deltaTime, ICanvasContext ctx) {\r
+            int dotCount = (int) ((time % 1000L) / 200L);\r
+            String dots = "";\r
+            for (int i=0; i<dotCount; i++)\r
+                dots += ".";\r
+            ElementUtils.setText(e, "Loading"+dots);\r
+\r
+            ctx.getContentContext().setDirty();\r
+        }\r
+\r
+    }\r
+\r
+}\r