-/*******************************************************************************\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.browsing.ui.common.viewpoints;\r
-\r
-import java.util.Collection;\r
-\r
-import org.simantics.browsing.ui.BuiltinKeys;\r
-import org.simantics.browsing.ui.NodeContext;\r
-import org.simantics.browsing.ui.PrimitiveQueryUpdater;\r
-import org.simantics.browsing.ui.common.NodeContextBuilder;\r
-import org.simantics.browsing.ui.common.NodeContextUtil;\r
-import org.simantics.browsing.ui.content.Viewpoint;\r
-\r
-/**\r
- * @author Tuukka Lehtonen\r
- */\r
-public abstract class ViewpointStub implements Viewpoint {\r
-\r
- protected NodeContext[] children = Viewpoint.PENDING_CHILDREN;\r
- protected Boolean hasChildren = Viewpoint.PENDING_HAS_CHILDREN;\r
-\r
- final public void setChildren(PrimitiveQueryUpdater updater, NodeContext[] children) {\r
- if (children == null)\r
- throw new NullPointerException(this + ": null children produced by " + getClass().getName());\r
- for(NodeContext c : children) updater.incRef(c);\r
- for(NodeContext c : this.children) updater.decRef(c);\r
- this.children = children;\r
- }\r
-\r
- public void setHasChildren(Boolean hasChildren) {\r
- if (children == null)\r
- throw new NullPointerException(this + ": null hasChildren produced by " + getClass().getName());\r
- this.hasChildren = hasChildren;\r
- }\r
-\r
- /**\r
- * A utility method for transforming an array of objects into an\r
- * INodeContext array which is the return value of a ViewpointFactory.\r
- * \r
- * <p>\r
- * The INodeContext's are constructed using\r
- * {@link NodeContextBuilder#buildWithInput(Object)}.\r
- * </p>\r
- * \r
- * @param children\r
- * @return the specified children wrapped into simple <code>INodeContext</code>s\r
- */\r
- public NodeContext[] toContextsWithInput(Object... children) {\r
- return NodeContextUtil.toContextsWithInput(children);\r
- }\r
-\r
- /**\r
- * A utility method for transforming a collection of objects into an\r
- * INodeContext array which is the return value of a ViewpointFactory.\r
- * \r
- * <p>\r
- * The INodeContext's are constructed using\r
- * {@link NodeContextBuilder#buildWithInput(Object)}.\r
- * </p>\r
- * \r
- * @param children\r
- * @return the specified children wrapped into simple <code>INodeContext</code>s\r
- */\r
- public NodeContext[] toContextsWithInput(Collection<?> children) {\r
- return NodeContextUtil.toContextsWithInput(children);\r
- }\r
-\r
- /**\r
- * A utility method for transforming a collection of objects into an\r
- * INodeContext array which is the return value of a ViewpointFactory.\r
- * \r
- * <p>\r
- * The INodeContext's are constructed using the specified factory.\r
- * </p>\r
- * \r
- * @param children\r
- * @return the specified children wrapped into INodeContext's through the\r
- * specified <code>factory</code>\r
- */\r
- public NodeContext[] toContexts(Collection<?> children, NodeContextUtil.NodeContextFactory factory) {\r
- return NodeContextUtil.toContexts(children, factory);\r
- }\r
-\r
- /**\r
- * @param <T>\r
- * @param clazz\r
- * @return input of the specified class\r
- * @throws ClassCastException if the input class does not match the\r
- * specified class\r
- * @throws NullPointerException if the input is null\r
- */\r
- @SuppressWarnings("unchecked")\r
- protected <T> T getInput(NodeContext context) {\r
- Object o = context.getConstant(BuiltinKeys.INPUT);\r
- if (o == null)\r
- throw new NullPointerException("null input");\r
- return (T) o;\r
- }\r
-\r
- /**\r
- * @param <T>\r
- * @param clazz\r
- * @return <code>null</code> if input is <code>null</code> or if the class\r
- * does not match\r
- */\r
- @SuppressWarnings("unchecked")\r
- protected <T> T tryGetInput(NodeContext context, Class<T> clazz) {\r
- Object o = context.getConstant(BuiltinKeys.INPUT);\r
- if (o != null && clazz.isInstance(o))\r
- return (T) o;\r
- return null;\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.browsing.ui.common.viewpoints;
+
+import java.util.Collection;
+
+import org.simantics.browsing.ui.BuiltinKeys;
+import org.simantics.browsing.ui.NodeContext;
+import org.simantics.browsing.ui.PrimitiveQueryUpdater;
+import org.simantics.browsing.ui.common.NodeContextBuilder;
+import org.simantics.browsing.ui.common.NodeContextUtil;
+import org.simantics.browsing.ui.content.Viewpoint;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public abstract class ViewpointStub implements Viewpoint {
+
+ protected NodeContext[] children = Viewpoint.PENDING_CHILDREN;
+ protected Boolean hasChildren = Viewpoint.PENDING_HAS_CHILDREN;
+
+ final public void setChildren(PrimitiveQueryUpdater updater, NodeContext[] children) {
+ if (children == null)
+ throw new NullPointerException(this + ": null children produced by " + getClass().getName());
+ for(NodeContext c : children) updater.incRef(c);
+ for(NodeContext c : this.children) updater.decRef(c);
+ this.children = children;
+ }
+
+ public void setHasChildren(Boolean hasChildren) {
+ if (children == null)
+ throw new NullPointerException(this + ": null hasChildren produced by " + getClass().getName());
+ this.hasChildren = hasChildren;
+ }
+
+ /**
+ * A utility method for transforming an array of objects into an
+ * INodeContext array which is the return value of a ViewpointFactory.
+ *
+ * <p>
+ * The INodeContext's are constructed using
+ * {@link NodeContextBuilder#buildWithInput(Object)}.
+ * </p>
+ *
+ * @param children
+ * @return the specified children wrapped into simple <code>INodeContext</code>s
+ */
+ public NodeContext[] toContextsWithInput(Object... children) {
+ return NodeContextUtil.toContextsWithInput(children);
+ }
+
+ /**
+ * A utility method for transforming a collection of objects into an
+ * INodeContext array which is the return value of a ViewpointFactory.
+ *
+ * <p>
+ * The INodeContext's are constructed using
+ * {@link NodeContextBuilder#buildWithInput(Object)}.
+ * </p>
+ *
+ * @param children
+ * @return the specified children wrapped into simple <code>INodeContext</code>s
+ */
+ public NodeContext[] toContextsWithInput(Collection<?> children) {
+ return NodeContextUtil.toContextsWithInput(children);
+ }
+
+ /**
+ * A utility method for transforming a collection of objects into an
+ * INodeContext array which is the return value of a ViewpointFactory.
+ *
+ * <p>
+ * The INodeContext's are constructed using the specified factory.
+ * </p>
+ *
+ * @param children
+ * @return the specified children wrapped into INodeContext's through the
+ * specified <code>factory</code>
+ */
+ public NodeContext[] toContexts(Collection<?> children, NodeContextUtil.NodeContextFactory factory) {
+ return NodeContextUtil.toContexts(children, factory);
+ }
+
+ /**
+ * @param <T>
+ * @param clazz
+ * @return input of the specified class
+ * @throws ClassCastException if the input class does not match the
+ * specified class
+ * @throws NullPointerException if the input is null
+ */
+ @SuppressWarnings("unchecked")
+ protected <T> T getInput(NodeContext context) {
+ Object o = context.getConstant(BuiltinKeys.INPUT);
+ if (o == null)
+ throw new NullPointerException("null input");
+ return (T) o;
+ }
+
+ /**
+ * @param <T>
+ * @param clazz
+ * @return <code>null</code> if input is <code>null</code> or if the class
+ * does not match
+ */
+ @SuppressWarnings("unchecked")
+ protected <T> T tryGetInput(NodeContext context, Class<T> clazz) {
+ Object o = context.getConstant(BuiltinKeys.INPUT);
+ if (o != null && clazz.isInstance(o))
+ return (T) o;
+ return null;
+ }
+
+}
Code Review / simantics / platform.git / blobdiff