+/*******************************************************************************\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
+/*\r
+ *\r
+ * @author Toni Kalajainen\r
+ */\r
+package org.simantics.utils.datastructures.hints;\r
+\r
+import org.simantics.utils.datastructures.hints.IHintContext.Key;\r
+import org.simantics.utils.datastructures.hints.IHintContext.KeyOf;\r
+\r
+public class HintStackTest {\r
+\r
+ public static final Key KEY = new KeyOf(Double.class);\r
+ \r
+ /**\r
+ * @param args\r
+ */\r
+ public static void main(String[] args) {\r
+ IHintStack stack = new HintStack();\r
+ stack.addHintListener(new IHintListener() {\r
+ @Override\r
+ public void hintChanged(IHintObservable sender, Key key,\r
+ Object oldValue, Object newValue) {\r
+ System.out.println("Hint changed: "+key+"="+newValue+" (was "+oldValue+")");\r
+ }\r
+\r
+ @Override\r
+ public void hintRemoved(IHintObservable sender, Key key,\r
+ Object oldValue) {\r
+ System.out.println("Hint removed: "+key+" (was "+oldValue+")");\r
+ }});\r
+ IHintContext c1 = new HintContext();\r
+ IHintContext c2 = new HintContext();\r
+ \r
+ c1.setHint(KEY, 1.0);\r
+ c2.setHint(KEY, 2.0);\r
+ \r
+ // KEY added\r
+ stack.addHintContext(c1, 0);\r
+ // KEY overridden\r
+ stack.addHintContext(c2, 1);\r
+ \r
+ // underlying removed, do not do anything\r
+ stack.removeHintContext(c1);\r
+ \r
+ // add over prev value, override\r
+ stack.addHintContext(c1, 2);\r
+ \r
+ // should not do anything, is overridden\r
+ c2.setHint(KEY, 3.0);\r
+ \r
+ // changed. overrides c2\r
+ c1.setHint(KEY, 4.0);\r
+ \r
+ // removed. c2's value 3 becomes effective\r
+ c1.removeHint(KEY);\r
+ }\r
+\r
+}\r