-/*******************************************************************************\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;\r
-\r
-import java.util.ArrayList;\r
-import java.util.Collection;\r
-import java.util.Set;\r
-\r
-import org.simantics.browsing.ui.BuiltinKeys;\r
-import org.simantics.browsing.ui.GraphExplorer;\r
-import org.simantics.browsing.ui.NodeContext;\r
-import org.simantics.browsing.ui.PrimitiveQueryProcessor;\r
-import org.simantics.browsing.ui.NodeContext.ConstantKey;\r
-import org.simantics.browsing.ui.common.processors.IsExpandedProcessor;\r
-\r
-/**\r
- * General utilities for dealing with {@link NodeContext} instances.\r
- * \r
- * @author Tuukka Lehtonen\r
- */\r
-public final class NodeContextUtil {\r
-\r
- public interface NodeContextFactory {\r
- NodeContext create(Object input);\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
- public static <T> T getInput(NodeContext context, Class<T> clazz) throws ClassCastException {\r
- Object o = context.getConstant(BuiltinKeys.INPUT);\r
- if (o == null)\r
- throw new NullPointerException("null input");\r
- //return clazz.cast(o);\r
- return (T) o;\r
- }\r
-\r
- public static <T> NodeContext withConstant(NodeContext context, ConstantKey<T> key, T value) {\r
- Set<ConstantKey<?>> keys = context.getKeys();\r
- Object[] keyValuePairs = new Object[2 + 2 * keys.size()];\r
- int index = 0;\r
- keyValuePairs[index++] = key;\r
- keyValuePairs[index++] = value;\r
- for(ConstantKey<?> k : keys) {\r
- keyValuePairs[index++] = k;\r
- keyValuePairs[index++] = context.getConstant(k);\r
- }\r
- return NodeContextBuilder.buildWithData(keyValuePairs);\r
- }\r
-\r
- /**\r
- * @param <T>\r
- * @param clazz\r
- * @return <code>null</code> if input is <code>null</code> or if the class does not match\r
- */\r
- @SuppressWarnings("unchecked")\r
- public static <T> T tryGetInput(NodeContext context, Class<T> clazz) {\r
- Object o = context.getConstant(BuiltinKeys.INPUT);\r
- if (o != null && clazz.isInstance(o))\r
- //return clazz.cast(o);\r
- return (T) o;\r
- return null;\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 static NodeContext[] toContextsWithInput(Collection<?> children) {\r
- NodeContext[] resultContexts = new NodeContext[children.size()];\r
- int index = 0;\r
- for (Object child : children) {\r
- if(child == null) throw new NullPointerException("Null data.");\r
- resultContexts[index++] = NodeContextBuilder.buildWithInput(child);\r
- }\r
- return resultContexts;\r
- }\r
-\r
- public static Collection<NodeContext> toContextCollectionWithInput(Object source, Collection<?> children) {\r
- if(children == null) throw new NullPointerException("Null data (from " + source.getClass().getName() + ").");\r
- ArrayList<NodeContext> resultContexts = new ArrayList<NodeContext>(children.size());\r
- for (Object child : children) {\r
- if(child == null) throw new NullPointerException("Null data (from " + source.getClass().getName() + ").");\r
- resultContexts.add(NodeContextBuilder.buildWithInput(child));\r
- }\r
- return resultContexts;\r
- }\r
-\r
- public static Collection<NodeContext> toContextCollectionWithInput(Object ... children) {\r
- ArrayList<NodeContext> resultContexts = new ArrayList<NodeContext>(children.length);\r
- for (Object child : children) {\r
- if(child == null) throw new NullPointerException("Null data.");\r
- resultContexts.add(NodeContextBuilder.buildWithInput(child));\r
- }\r
- return resultContexts;\r
- }\r
-\r
- public static NodeContext[] toContextsWithInput(Object ... inputs) {\r
- NodeContext[] resultContexts = new NodeContext[inputs.length];\r
- int index = 0;\r
- for (Object child : inputs) {\r
- if(child == null) throw new NullPointerException("Null data.");\r
- resultContexts[index++] = NodeContextBuilder.buildWithInput(child);\r
- }\r
- return resultContexts;\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 static NodeContext[] toContexts(Collection<?> children, NodeContextUtil.NodeContextFactory factory) {\r
- NodeContext[] resultContexts = new NodeContext[children.size()];\r
- int index = 0;\r
- for (Object child : children) {\r
- if(child == null) throw new NullPointerException("Null data.");\r
- resultContexts[index++] = factory.create(child);\r
- }\r
- return resultContexts;\r
- }\r
-\r
- public static void collapseAllNodes(GraphExplorer explorer) {\r
- PrimitiveQueryProcessor<?> pqp = explorer.getPrimitiveProcessor(BuiltinKeys.IS_EXPANDED);\r
- if (pqp instanceof IsExpandedProcessor) {\r
- IsExpandedProcessor iep = (IsExpandedProcessor) pqp;\r
- iep.getExpanded().forEach(n -> iep.replaceExpanded(n, false));\r
- }\r
- }\r
-\r
- public static void collapseNodesUnder(GraphExplorer explorer, Set<NodeContext> collapsedParents) {\r
- PrimitiveQueryProcessor<?> pqp = explorer.getPrimitiveProcessor(BuiltinKeys.IS_EXPANDED);\r
- if (pqp instanceof IsExpandedProcessor) {\r
- IsExpandedProcessor iep = (IsExpandedProcessor) pqp;\r
- iep.getExpanded().stream()\r
- .filter(n -> isParent(explorer, collapsedParents, n))\r
- .forEach(n -> iep.replaceExpanded(n, false));\r
- }\r
- }\r
-\r
- private static boolean isParent(GraphExplorer explorer, Set<NodeContext> testedParents, NodeContext testedNode) {\r
- if (testedNode == null)\r
- return false;\r
- if (testedParents.contains(testedNode))\r
- return true;\r
- return isParent(explorer, testedParents, explorer.getParentContext(testedNode));\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;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Set;
+
+import org.simantics.browsing.ui.BuiltinKeys;
+import org.simantics.browsing.ui.GraphExplorer;
+import org.simantics.browsing.ui.NodeContext;
+import org.simantics.browsing.ui.PrimitiveQueryProcessor;
+import org.simantics.browsing.ui.NodeContext.ConstantKey;
+import org.simantics.browsing.ui.common.processors.IsExpandedProcessor;
+
+/**
+ * General utilities for dealing with {@link NodeContext} instances.
+ *
+ * @author Tuukka Lehtonen
+ */
+public final class NodeContextUtil {
+
+ public interface NodeContextFactory {
+ NodeContext create(Object input);
+ }
+
+ /**
+ * @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")
+ public static <T> T getInput(NodeContext context, Class<T> clazz) throws ClassCastException {
+ Object o = context.getConstant(BuiltinKeys.INPUT);
+ if (o == null)
+ throw new NullPointerException("null input");
+ //return clazz.cast(o);
+ return (T) o;
+ }
+
+ public static <T> NodeContext withConstant(NodeContext context, ConstantKey<T> key, T value) {
+ Set<ConstantKey<?>> keys = context.getKeys();
+ Object[] keyValuePairs = new Object[2 + 2 * keys.size()];
+ int index = 0;
+ keyValuePairs[index++] = key;
+ keyValuePairs[index++] = value;
+ for(ConstantKey<?> k : keys) {
+ keyValuePairs[index++] = k;
+ keyValuePairs[index++] = context.getConstant(k);
+ }
+ return NodeContextBuilder.buildWithData(keyValuePairs);
+ }
+
+ /**
+ * @param <T>
+ * @param clazz
+ * @return <code>null</code> if input is <code>null</code> or if the class does not match
+ */
+ @SuppressWarnings("unchecked")
+ public static <T> T tryGetInput(NodeContext context, Class<T> clazz) {
+ Object o = context.getConstant(BuiltinKeys.INPUT);
+ if (o != null && clazz.isInstance(o))
+ //return clazz.cast(o);
+ return (T) o;
+ return null;
+ }
+
+ /**
+ * 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 static NodeContext[] toContextsWithInput(Collection<?> children) {
+ NodeContext[] resultContexts = new NodeContext[children.size()];
+ int index = 0;
+ for (Object child : children) {
+ if(child == null) throw new NullPointerException("Null data.");
+ resultContexts[index++] = NodeContextBuilder.buildWithInput(child);
+ }
+ return resultContexts;
+ }
+
+ public static Collection<NodeContext> toContextCollectionWithInput(Object source, Collection<?> children) {
+ if(children == null) throw new NullPointerException("Null data (from " + source.getClass().getName() + ").");
+ ArrayList<NodeContext> resultContexts = new ArrayList<NodeContext>(children.size());
+ for (Object child : children) {
+ if(child == null) throw new NullPointerException("Null data (from " + source.getClass().getName() + ").");
+ resultContexts.add(NodeContextBuilder.buildWithInput(child));
+ }
+ return resultContexts;
+ }
+
+ public static Collection<NodeContext> toContextCollectionWithInput(Object ... children) {
+ ArrayList<NodeContext> resultContexts = new ArrayList<NodeContext>(children.length);
+ for (Object child : children) {
+ if(child == null) throw new NullPointerException("Null data.");
+ resultContexts.add(NodeContextBuilder.buildWithInput(child));
+ }
+ return resultContexts;
+ }
+
+ public static NodeContext[] toContextsWithInput(Object ... inputs) {
+ NodeContext[] resultContexts = new NodeContext[inputs.length];
+ int index = 0;
+ for (Object child : inputs) {
+ if(child == null) throw new NullPointerException("Null data.");
+ resultContexts[index++] = NodeContextBuilder.buildWithInput(child);
+ }
+ return resultContexts;
+ }
+
+ /**
+ * 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 static NodeContext[] toContexts(Collection<?> children, NodeContextUtil.NodeContextFactory factory) {
+ NodeContext[] resultContexts = new NodeContext[children.size()];
+ int index = 0;
+ for (Object child : children) {
+ if(child == null) throw new NullPointerException("Null data.");
+ resultContexts[index++] = factory.create(child);
+ }
+ return resultContexts;
+ }
+
+ public static void collapseAllNodes(GraphExplorer explorer) {
+ PrimitiveQueryProcessor<?> pqp = explorer.getPrimitiveProcessor(BuiltinKeys.IS_EXPANDED);
+ if (pqp instanceof IsExpandedProcessor) {
+ IsExpandedProcessor iep = (IsExpandedProcessor) pqp;
+ iep.getExpanded().forEach(n -> iep.replaceExpanded(n, false));
+ }
+ }
+
+ public static void collapseNodesUnder(GraphExplorer explorer, Set<NodeContext> collapsedParents) {
+ PrimitiveQueryProcessor<?> pqp = explorer.getPrimitiveProcessor(BuiltinKeys.IS_EXPANDED);
+ if (pqp instanceof IsExpandedProcessor) {
+ IsExpandedProcessor iep = (IsExpandedProcessor) pqp;
+ iep.getExpanded().stream()
+ .filter(n -> isParent(explorer, collapsedParents, n))
+ .forEach(n -> iep.replaceExpanded(n, false));
+ }
+ }
+
+ private static boolean isParent(GraphExplorer explorer, Set<NodeContext> testedParents, NodeContext testedNode) {
+ if (testedNode == null)
+ return false;
+ if (testedParents.contains(testedNode))
+ return true;
+ return isParent(explorer, testedParents, explorer.getParentContext(testedNode));
+ }
+
+}
Code Review / simantics / platform.git / blobdiff