-/*******************************************************************************\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.element.handler.impl;\r
-\r
-import org.simantics.g2d.diagram.handler.Topology.Terminal;\r
-import org.simantics.g2d.element.IElement;\r
-import org.simantics.g2d.element.handler.TerminalData;\r
-import org.simantics.utils.datastructures.hints.HintContext;\r
-import org.simantics.utils.datastructures.hints.IHintContext;\r
-import org.simantics.utils.datastructures.hints.IHintContext.Key;\r
-import org.simantics.utils.datastructures.hints.IHintContext.KeyOf;\r
-\r
-/**\r
- * A straight-forward implementation of the {@link TerminalData} element handler\r
- * interface. It uses an element's hint context to store a separate HintContext\r
- * for terminals.\r
- * \r
- * @author Tuukka Lehtonen\r
- */\r
-public class TerminalDataImpl implements TerminalData {\r
-\r
- private static final long serialVersionUID = -2131030904280472077L;\r
-\r
- public static final TerminalDataImpl INSTANCE = new TerminalDataImpl();\r
-\r
- static class TerminalKey extends KeyOf {\r
- private final Terminal terminal;\r
- public TerminalKey(Terminal terminal) {\r
- super(IHintContext.class);\r
- if (terminal == null)\r
- throw new NullPointerException("null terminal");\r
- this.terminal = terminal;\r
- }\r
- @Override\r
- public int hashCode() {\r
- return terminal.hashCode();\r
- }\r
- @Override\r
- public boolean equals(Object obj) {\r
- if (this == obj)\r
- return true;\r
- if (!(obj instanceof TerminalKey))\r
- return false;\r
- TerminalKey other = (TerminalKey) obj;\r
- return terminal.equals(other.terminal);\r
- }\r
- @Override\r
- public String toString() {\r
- return "TERMINAL_DATA(" + terminal + ")";\r
- }\r
- }\r
-\r
- @Override\r
- public <T> T getHint(IElement e, Terminal t, Key key) {\r
- IHintContext context = e.getHint(new TerminalKey(t));\r
- if (context == null)\r
- return null;\r
- return context.getHint(key);\r
- }\r
-\r
- @Override\r
- public void setHint(IElement e, Terminal t, Key key, Object value) {\r
- Key terminalKey = new TerminalKey(t);\r
- IHintContext context = e.getHint(terminalKey);\r
- if (context == null) {\r
- context = new HintContext();\r
- e.setHint(terminalKey, context);\r
- }\r
- context.setHint(key, value);\r
- }\r
-\r
-}\r
+/*******************************************************************************
+ * 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.g2d.element.handler.impl;
+
+import org.simantics.g2d.diagram.handler.Topology.Terminal;
+import org.simantics.g2d.element.IElement;
+import org.simantics.g2d.element.handler.TerminalData;
+import org.simantics.utils.datastructures.hints.HintContext;
+import org.simantics.utils.datastructures.hints.IHintContext;
+import org.simantics.utils.datastructures.hints.IHintContext.Key;
+import org.simantics.utils.datastructures.hints.IHintContext.KeyOf;
+
+/**
+ * A straight-forward implementation of the {@link TerminalData} element handler
+ * interface. It uses an element's hint context to store a separate HintContext
+ * for terminals.
+ *
+ * @author Tuukka Lehtonen
+ */
+public class TerminalDataImpl implements TerminalData {
+
+ private static final long serialVersionUID = -2131030904280472077L;
+
+ public static final TerminalDataImpl INSTANCE = new TerminalDataImpl();
+
+ static class TerminalKey extends KeyOf {
+ private final Terminal terminal;
+ public TerminalKey(Terminal terminal) {
+ super(IHintContext.class);
+ if (terminal == null)
+ throw new NullPointerException("null terminal");
+ this.terminal = terminal;
+ }
+ @Override
+ public int hashCode() {
+ return terminal.hashCode();
+ }
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj)
+ return true;
+ if (!(obj instanceof TerminalKey))
+ return false;
+ TerminalKey other = (TerminalKey) obj;
+ return terminal.equals(other.terminal);
+ }
+ @Override
+ public String toString() {
+ return "TERMINAL_DATA(" + terminal + ")";
+ }
+ }
+
+ @Override
+ public <T> T getHint(IElement e, Terminal t, Key key) {
+ IHintContext context = e.getHint(new TerminalKey(t));
+ if (context == null)
+ return null;
+ return context.getHint(key);
+ }
+
+ @Override
+ public void setHint(IElement e, Terminal t, Key key, Object value) {
+ Key terminalKey = new TerminalKey(t);
+ IHintContext context = e.getHint(terminalKey);
+ if (context == null) {
+ context = new HintContext();
+ e.setHint(terminalKey, context);
+ }
+ context.setHint(key, value);
+ }
+
+}
Code Review / simantics / platform.git / blobdiff