--- /dev/null
+/*******************************************************************************\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 java.util.ArrayList;\r
+import java.util.Collection;\r
+import java.util.List;\r
+\r
+import org.simantics.g2d.canvas.impl.AbstractCanvasParticipant;\r
+import org.simantics.g2d.canvas.impl.DependencyReflection.Dependency;\r
+import org.simantics.scenegraph.g2d.events.KeyEvent;\r
+import org.simantics.scenegraph.g2d.events.EventHandlerReflection.EventHandler;\r
+import org.simantics.scenegraph.g2d.events.KeyEvent.KeyPressedEvent;\r
+import org.simantics.scenegraph.g2d.events.command.CommandEvent;\r
+import org.simantics.scenegraph.g2d.events.command.CommandKeyBinding;\r
+import org.simantics.scenegraph.g2d.events.command.Commands;\r
+\r
+/**\r
+ * Converts key presses to commands. \r
+ * Do not use this in eclipse environment, use XXXTODO instead which\r
+ * converts eclipse commands into g2d commands.\r
+ * \r
+ * CommandKeyBinding.DEFAULT_BINDINGS\r
+ * \r
+ * @See {@link CommandKeyBinding} command bindings\r
+ * @See {@link Commands} commands\r
+ * @author Toni Kalajainen\r
+ */\r
+public class KeyToCommand extends AbstractCanvasParticipant {\r
+\r
+ @Dependency KeyUtil keyUtil;\r
+ List<CommandKeyBinding> binds = new ArrayList<CommandKeyBinding>();\r
+ \r
+ public KeyToCommand(CommandKeyBinding... binds) {\r
+ assert(binds!=null);\r
+ for (CommandKeyBinding b : binds)\r
+ this.binds.add(b);\r
+ }\r
+ \r
+ public KeyToCommand(Collection<CommandKeyBinding> binds) {\r
+ assert(binds!=null);\r
+ this.binds.addAll(binds);\r
+ }\r
+ \r
+ public void addBinding(CommandKeyBinding binding) {\r
+ if (!this.binds.contains(binding))\r
+ this.binds.add(binding);\r
+ }\r
+\r
+ @EventHandler(priority = Integer.MIN_VALUE)\r
+ public boolean handleKeyEvent(KeyEvent e) {\r
+ //System.out.println("keytocommand " + e);\r
+ boolean pressed = (e instanceof KeyPressedEvent);\r
+ nextBinding: \r
+ for (CommandKeyBinding ckb : binds) {\r
+ int keyCode = ckb.keyCode[0];\r
+ boolean _down = keyCode>0;\r
+ if (_down != pressed) continue;\r
+ if (!_down) keyCode = -keyCode; \r
+ if (e.keyCode != keyCode) continue;\r
+ for (int i=1; i<ckb.keyCode.length; i++) {\r
+ int code = ckb.keyCode[i];\r
+ boolean down = code>0;\r
+ if (!down) code = -code; \r
+ if (keyUtil.isKeyPressed(code) ^ down)\r
+ continue nextBinding;\r
+ }\r
+ CommandEvent ce = new CommandEvent(getContext(), e.time, ckb.command);\r
+ getContext().getEventQueue().queueFirst(ce);\r
+ }\r
+ return false;\r
+ } \r
+ \r
+}\r