X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.browsing.ui.common%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fcommon%2FNodeContextBuilder.java;h=80797fbd7d5cd42211a42d33dae2cecf9cb87d83;hp=c8083e1298e790839abfa324194401026d143977;hb=0ae2b770234dfc3cbb18bd38f324125cf0faca07;hpb=24e2b34260f219f0d1644ca7a138894980e25b14

diff --git a/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/NodeContextBuilder.java b/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/NodeContextBuilder.java
index c8083e129..80797fbd7 100644
--- a/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/NodeContextBuilder.java
+++ b/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/NodeContextBuilder.java
@@ -1,298 +1,298 @@
-/*******************************************************************************
- * 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.Collections;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Set;
-
-import org.eclipse.core.runtime.IAdaptable;
-import org.simantics.browsing.ui.BuiltinKeys;
-import org.simantics.browsing.ui.NodeContext;
-import org.simantics.browsing.ui.NodeContext.ConstantKey;
-import org.simantics.browsing.ui.content.Viewpoint;
-import org.simantics.utils.datastructures.ArrayMap;
-
-/**
- * Use this class in {@link Viewpoint}, and particularly
- * {@link Viewpoint#getChildren()} implementations to construct new INodeContext
- * instances.
- * 
- * @author Antti Villberg
- * @author Tuukka Lehtonen
- */
-public final class NodeContextBuilder {
-
-    private static Set<ConstantKey<?>> SINGLE_INPUT_KEYS =
-        Collections.<ConstantKey<?>> singleton(BuiltinKeys.INPUT);
-
-    MapNodeContext context;
-
-    private static class InputNodeContext implements NodeContext {
-
-        final Object input;
-
-        private InputNodeContext(Object input) {
-            this.input = input;
-        }
-
-        @SuppressWarnings({ "unchecked", "rawtypes" })
-        @Override
-        public Object getAdapter(Class adapter) {
-            if (NodeContext.class.equals(adapter))
-                return this;
-            if (input != null) {
-                if (adapter.isAssignableFrom(input.getClass()))
-                    return input;
-                if (input instanceof IAdaptable)
-                    return ((IAdaptable) input).getAdapter(adapter);
-            }
-            return null;
-        }
-
-        @SuppressWarnings("unchecked")
-        @Override
-        public <T> T getConstant(ConstantKey<T> key) {
-            return key == BuiltinKeys.INPUT ? (T) input : null;
-        }
-
-        @Override
-        public Set<ConstantKey<?>> getKeys() {
-            return SINGLE_INPUT_KEYS;
-        }
-
-        @Override
-        public int hashCode() {
-            return ((input == null) ? 0 : input.hashCode());
-        }
-
-        @Override
-        public boolean equals(Object obj) {
-            if (this == obj)
-                return true;
-            if (obj == null)
-                return false;
-            if (getClass() != obj.getClass())
-                return false;
-            InputNodeContext other = (InputNodeContext) obj;
-            if (input == null) {
-                if (other.input != null)
-                    return false;
-            } else if (!input.equals(other.input))
-                return false;
-            return true;
-        }
-
-        @Override
-        public String toString() {
-            return "InputNodeContext(" + hashCode() + ") [" + input + "]";
-        }
-    }
-
-    public static class MapNodeContext implements NodeContext {
-
-        private Map<ConstantKey<?>, Object> data;
-        private int hash;
-
-        private MapNodeContext() {
-        }
-
-        void makeHash() {
-            this.hash = (data == null) ? 0 : data.hashCode();
-        }
-
-        @SuppressWarnings({ "unchecked", "rawtypes" })
-        @Override
-        public Object getAdapter(Class adapter) {
-            if (NodeContext.class.equals(adapter))
-                return this;
-            Object input = data.get(BuiltinKeys.INPUT);
-            if (input != null) {
-                if (adapter.isAssignableFrom(input.getClass()))
-                    return input;
-                if (input instanceof IAdaptable)
-                    return ((IAdaptable) input).getAdapter(adapter);
-            }
-            return null;
-        }
-
-        @SuppressWarnings("unchecked")
-        @Override
-        public <T> T getConstant(ConstantKey<T> key) {
-            return data != null ? (T) data.get(key) : null;
-        }
-
-        @Override
-        public Set<ConstantKey<?>> getKeys() {
-            return data.keySet();
-        }
-
-        @Override
-        public int hashCode() {
-            return hash;
-        }
-
-        @Override
-        public boolean equals(Object obj) {
-            if (this == obj)
-                return true;
-            if (obj == null)
-                return false;
-            if (getClass() != obj.getClass())
-                return false;
-            MapNodeContext other = (MapNodeContext) obj;
-            if (data == null) {
-                if (other.data != null)
-                    return false;
-            } else if (!data.equals(other.data))
-                return false;
-            return true;
-        }
-
-        @Override
-        public String toString() {
-            return "MapNodeContext(" + hashCode() + ") [" + (data != null ? data : "") + "]";
-        }
-    }
-
-    public NodeContextBuilder() {
-        this.context = new MapNodeContext();
-    }
-
-    public <T> NodeContextBuilder define(ConstantKey<T> key, T value) {
-        if (context.data == null)
-            context.data = new HashMap<ConstantKey<?>, Object>();
-        context.data.put(key, value);
-        return this;
-    }
-
-    public NodeContext createContext() {
-        context.makeHash();
-        return context;
-    }
-
-    /**
-     * A special case builder for an INodeContext that will only take one
-     * (key,value) pair and insert that into the built INodeContext.
-     * 
-     * <p>
-     * This method works around the need to create NodeContextBuilder instances.
-     * </p>
-     * 
-     * <p>
-     * Notice that your input key and value must properly implement
-     * <code>equals</code> and <code>hashCode</code> in order for
-     * GraphExplorer's automatic node expansion state tracking to work.
-     * </p>
-     * 
-     * @param key
-     * @param value
-     * @return an INodeContext containing a single constant as specified by
-     *         <code>key</code> and <code>value</code>
-     */
-    public static <T> NodeContext buildWithSingleData(ConstantKey<T> key, T value) {
-        MapNodeContext context = new MapNodeContext();
-        context.data = Collections.<ConstantKey<?>, Object>singletonMap(key, value);
-        context.makeHash();
-        return context;
-    }
-
-    /**
-     * A generic case builder for an INodeContext that will take as many
-     * (key,value) pairs as it is given and insert all of them into a map
-     * that is backing the built INodeContext implementation.
-     * 
-     * <p>
-     * This method works around the need to create NodeContextBuilder instances.
-     * </p>
-     * 
-     * <p>
-     * Notice that your input keys and values must properly implement
-     * <code>equals</code> and <code>hashCode</code> in order for
-     * GraphExplorer's automatic node expansion state tracking to work.
-     * </p>
-     * 
-     * @param keyValuePairs
-     * @return an INodeContext containing the specified key,value pairs as its
-     *         constants
-     */
-    public static <T> NodeContext buildWithData(Object... keyValuePairs) {
-        assert keyValuePairs.length % 2 == 0;
-        MapNodeContext context = new MapNodeContext();
-        int size = keyValuePairs.length;
-        Map<ConstantKey<?>, Object> map = new HashMap<ConstantKey<?>, Object>(size);
-
-        for (int i = 0; i < keyValuePairs.length; i += 2) {
-            map.put((ConstantKey<?>) keyValuePairs[i], keyValuePairs[i+1]);
-        }
-
-        context.data = map;
-        context.makeHash();
-        return context;
-    }
-
-    /**
-     * A generic case builder for an INodeContext that will take as many
-     * (key,value) pairs as it is given and insert all of them into a map that
-     * is backing the built INodeContext implementation. This method takes the
-     * keys and values separately, which allows the use of {@link ArrayMap} that
-     * provides a space-optimized Map implementation. Note that the key set of
-     * an {@link ArrayMap} is immutable.
-     * 
-     * <p>
-     * This method works around the need to create NodeContextBuilder instances.
-     * </p>
-     * 
-     * <p>
-     * Notice that your input keys and values must properly implement
-     * <code>equals</code> and <code>hashCode</code> in order for
-     * GraphExplorer's automatic node expansion state tracking to work.
-     * </p>
-     * 
-     * @param keys the keys of the map, must equal values array in size
-     * @param values the values of the map, must equal keys array in size
-     * @return a <code>NodeContext</code> containing the specified key,value
-     *         pairs as its constants
-     */
-    public static <T> NodeContext buildWithData(ConstantKey<?>[] keys, Object[] values) {
-        assert keys.length == values.length;
-        MapNodeContext context = new MapNodeContext();
-        Map<ConstantKey<?>, Object> map = new ArrayMap<ConstantKey<?>, Object>(keys, values);
-        context.data = map;
-        context.makeHash();
-        return context;
-    }
-
-    /**
-     * A special case builder for an INodeContext that will only take one
-     * (key,value) pair and insert that into the built INodeContext.
-     * 
-     * <p>
-     * This method works around the need to create NodeContextBuilder instances.
-     * </p>
-     * 
-     * <p>
-     * Notice that your input object must properly implement <code>equals</code>
-     * and <code>hashCode</code> in order for GraphExplorer's automatic node
-     * expansion state tracking to work.
-     * </p>
-     * 
-     * @param input
-     * @return an INodeContext containing the specified object as with the key
-     *         {@link BuiltinKeys#INPUT}
-     */
-    public static NodeContext buildWithInput(Object input) {
-        return new InputNodeContext(input);
-    }
-
-}
+/*******************************************************************************
+ * 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.Collections;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+
+import org.eclipse.core.runtime.IAdaptable;
+import org.simantics.browsing.ui.BuiltinKeys;
+import org.simantics.browsing.ui.NodeContext;
+import org.simantics.browsing.ui.NodeContext.ConstantKey;
+import org.simantics.browsing.ui.content.Viewpoint;
+import org.simantics.utils.datastructures.ArrayMap;
+
+/**
+ * Use this class in {@link Viewpoint}, and particularly
+ * {@link Viewpoint#getChildren()} implementations to construct new INodeContext
+ * instances.
+ * 
+ * @author Antti Villberg
+ * @author Tuukka Lehtonen
+ */
+public final class NodeContextBuilder {
+
+    private static Set<ConstantKey<?>> SINGLE_INPUT_KEYS =
+        Collections.<ConstantKey<?>> singleton(BuiltinKeys.INPUT);
+
+    MapNodeContext context;
+
+    private static class InputNodeContext implements NodeContext {
+
+        final Object input;
+
+        private InputNodeContext(Object input) {
+            this.input = input;
+        }
+
+        @SuppressWarnings({ "unchecked", "rawtypes" })
+        @Override
+        public Object getAdapter(Class adapter) {
+            if (NodeContext.class.equals(adapter))
+                return this;
+            if (input != null) {
+                if (adapter.isAssignableFrom(input.getClass()))
+                    return input;
+                if (input instanceof IAdaptable)
+                    return ((IAdaptable) input).getAdapter(adapter);
+            }
+            return null;
+        }
+
+        @SuppressWarnings("unchecked")
+        @Override
+        public <T> T getConstant(ConstantKey<T> key) {
+            return key == BuiltinKeys.INPUT ? (T) input : null;
+        }
+
+        @Override
+        public Set<ConstantKey<?>> getKeys() {
+            return SINGLE_INPUT_KEYS;
+        }
+
+        @Override
+        public int hashCode() {
+            return ((input == null) ? 0 : input.hashCode());
+        }
+
+        @Override
+        public boolean equals(Object obj) {
+            if (this == obj)
+                return true;
+            if (obj == null)
+                return false;
+            if (getClass() != obj.getClass())
+                return false;
+            InputNodeContext other = (InputNodeContext) obj;
+            if (input == null) {
+                if (other.input != null)
+                    return false;
+            } else if (!input.equals(other.input))
+                return false;
+            return true;
+        }
+
+        @Override
+        public String toString() {
+            return "InputNodeContext(" + hashCode() + ") [" + input + "]";
+        }
+    }
+
+    public static class MapNodeContext implements NodeContext {
+
+        private Map<ConstantKey<?>, Object> data;
+        private int hash;
+
+        private MapNodeContext() {
+        }
+
+        void makeHash() {
+            this.hash = (data == null) ? 0 : data.hashCode();
+        }
+
+        @SuppressWarnings({ "unchecked", "rawtypes" })
+        @Override
+        public Object getAdapter(Class adapter) {
+            if (NodeContext.class.equals(adapter))
+                return this;
+            Object input = data.get(BuiltinKeys.INPUT);
+            if (input != null) {
+                if (adapter.isAssignableFrom(input.getClass()))
+                    return input;
+                if (input instanceof IAdaptable)
+                    return ((IAdaptable) input).getAdapter(adapter);
+            }
+            return null;
+        }
+
+        @SuppressWarnings("unchecked")
+        @Override
+        public <T> T getConstant(ConstantKey<T> key) {
+            return data != null ? (T) data.get(key) : null;
+        }
+
+        @Override
+        public Set<ConstantKey<?>> getKeys() {
+            return data.keySet();
+        }
+
+        @Override
+        public int hashCode() {
+            return hash;
+        }
+
+        @Override
+        public boolean equals(Object obj) {
+            if (this == obj)
+                return true;
+            if (obj == null)
+                return false;
+            if (getClass() != obj.getClass())
+                return false;
+            MapNodeContext other = (MapNodeContext) obj;
+            if (data == null) {
+                if (other.data != null)
+                    return false;
+            } else if (!data.equals(other.data))
+                return false;
+            return true;
+        }
+
+        @Override
+        public String toString() {
+            return "MapNodeContext(" + hashCode() + ") [" + (data != null ? data : "") + "]";
+        }
+    }
+
+    public NodeContextBuilder() {
+        this.context = new MapNodeContext();
+    }
+
+    public <T> NodeContextBuilder define(ConstantKey<T> key, T value) {
+        if (context.data == null)
+            context.data = new HashMap<ConstantKey<?>, Object>();
+        context.data.put(key, value);
+        return this;
+    }
+
+    public NodeContext createContext() {
+        context.makeHash();
+        return context;
+    }
+
+    /**
+     * A special case builder for an INodeContext that will only take one
+     * (key,value) pair and insert that into the built INodeContext.
+     * 
+     * <p>
+     * This method works around the need to create NodeContextBuilder instances.
+     * </p>
+     * 
+     * <p>
+     * Notice that your input key and value must properly implement
+     * <code>equals</code> and <code>hashCode</code> in order for
+     * GraphExplorer's automatic node expansion state tracking to work.
+     * </p>
+     * 
+     * @param key
+     * @param value
+     * @return an INodeContext containing a single constant as specified by
+     *         <code>key</code> and <code>value</code>
+     */
+    public static <T> NodeContext buildWithSingleData(ConstantKey<T> key, T value) {
+        MapNodeContext context = new MapNodeContext();
+        context.data = Collections.<ConstantKey<?>, Object>singletonMap(key, value);
+        context.makeHash();
+        return context;
+    }
+
+    /**
+     * A generic case builder for an INodeContext that will take as many
+     * (key,value) pairs as it is given and insert all of them into a map
+     * that is backing the built INodeContext implementation.
+     * 
+     * <p>
+     * This method works around the need to create NodeContextBuilder instances.
+     * </p>
+     * 
+     * <p>
+     * Notice that your input keys and values must properly implement
+     * <code>equals</code> and <code>hashCode</code> in order for
+     * GraphExplorer's automatic node expansion state tracking to work.
+     * </p>
+     * 
+     * @param keyValuePairs
+     * @return an INodeContext containing the specified key,value pairs as its
+     *         constants
+     */
+    public static <T> NodeContext buildWithData(Object... keyValuePairs) {
+        assert keyValuePairs.length % 2 == 0;
+        MapNodeContext context = new MapNodeContext();
+        int size = keyValuePairs.length;
+        Map<ConstantKey<?>, Object> map = new HashMap<ConstantKey<?>, Object>(size);
+
+        for (int i = 0; i < keyValuePairs.length; i += 2) {
+            map.put((ConstantKey<?>) keyValuePairs[i], keyValuePairs[i+1]);
+        }
+
+        context.data = map;
+        context.makeHash();
+        return context;
+    }
+
+    /**
+     * A generic case builder for an INodeContext that will take as many
+     * (key,value) pairs as it is given and insert all of them into a map that
+     * is backing the built INodeContext implementation. This method takes the
+     * keys and values separately, which allows the use of {@link ArrayMap} that
+     * provides a space-optimized Map implementation. Note that the key set of
+     * an {@link ArrayMap} is immutable.
+     * 
+     * <p>
+     * This method works around the need to create NodeContextBuilder instances.
+     * </p>
+     * 
+     * <p>
+     * Notice that your input keys and values must properly implement
+     * <code>equals</code> and <code>hashCode</code> in order for
+     * GraphExplorer's automatic node expansion state tracking to work.
+     * </p>
+     * 
+     * @param keys the keys of the map, must equal values array in size
+     * @param values the values of the map, must equal keys array in size
+     * @return a <code>NodeContext</code> containing the specified key,value
+     *         pairs as its constants
+     */
+    public static <T> NodeContext buildWithData(ConstantKey<?>[] keys, Object[] values) {
+        assert keys.length == values.length;
+        MapNodeContext context = new MapNodeContext();
+        Map<ConstantKey<?>, Object> map = new ArrayMap<ConstantKey<?>, Object>(keys, values);
+        context.data = map;
+        context.makeHash();
+        return context;
+    }
+
+    /**
+     * A special case builder for an INodeContext that will only take one
+     * (key,value) pair and insert that into the built INodeContext.
+     * 
+     * <p>
+     * This method works around the need to create NodeContextBuilder instances.
+     * </p>
+     * 
+     * <p>
+     * Notice that your input object must properly implement <code>equals</code>
+     * and <code>hashCode</code> in order for GraphExplorer's automatic node
+     * expansion state tracking to work.
+     * </p>
+     * 
+     * @param input
+     * @return an INodeContext containing the specified object as with the key
+     *         {@link BuiltinKeys#INPUT}
+     */
+    public static NodeContext buildWithInput(Object input) {
+        return new InputNodeContext(input);
+    }
+
+}