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%2Fviewpoints%2FViewpointStub.java;fp=bundles%2Forg.simantics.browsing.ui.common%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fcommon%2Fviewpoints%2FViewpointStub.java;h=4895d3f75425ed00df79a8703c7656a41e52c18a;hp=0e91bb907e14148f71d5a8313e978d1d772f5de0;hb=0ae2b770234dfc3cbb18bd38f324125cf0faca07;hpb=24e2b34260f219f0d1644ca7a138894980e25b14 diff --git a/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/viewpoints/ViewpointStub.java b/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/viewpoints/ViewpointStub.java index 0e91bb907..4895d3f75 100644 --- a/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/viewpoints/ViewpointStub.java +++ b/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/viewpoints/ViewpointStub.java @@ -1,123 +1,123 @@ -/******************************************************************************* - * 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. - * - *

- * The INodeContext's are constructed using - * {@link NodeContextBuilder#buildWithInput(Object)}. - *

- * - * @param children - * @return the specified children wrapped into simple INodeContexts - */ - 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. - * - *

- * The INodeContext's are constructed using - * {@link NodeContextBuilder#buildWithInput(Object)}. - *

- * - * @param children - * @return the specified children wrapped into simple INodeContexts - */ - 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. - * - *

- * The INodeContext's are constructed using the specified factory. - *

- * - * @param children - * @return the specified children wrapped into INodeContext's through the - * specified factory - */ - public NodeContext[] toContexts(Collection children, NodeContextUtil.NodeContextFactory factory) { - return NodeContextUtil.toContexts(children, factory); - } - - /** - * @param - * @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 getInput(NodeContext context) { - Object o = context.getConstant(BuiltinKeys.INPUT); - if (o == null) - throw new NullPointerException("null input"); - return (T) o; - } - - /** - * @param - * @param clazz - * @return null if input is null or if the class - * does not match - */ - @SuppressWarnings("unchecked") - protected T tryGetInput(NodeContext context, Class clazz) { - Object o = context.getConstant(BuiltinKeys.INPUT); - if (o != null && clazz.isInstance(o)) - return (T) o; - return null; - } - -} +/******************************************************************************* + * 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. + * + *

+ * The INodeContext's are constructed using + * {@link NodeContextBuilder#buildWithInput(Object)}. + *

+ * + * @param children + * @return the specified children wrapped into simple INodeContexts + */ + 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. + * + *

+ * The INodeContext's are constructed using + * {@link NodeContextBuilder#buildWithInput(Object)}. + *

+ * + * @param children + * @return the specified children wrapped into simple INodeContexts + */ + 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. + * + *

+ * The INodeContext's are constructed using the specified factory. + *

+ * + * @param children + * @return the specified children wrapped into INodeContext's through the + * specified factory + */ + public NodeContext[] toContexts(Collection children, NodeContextUtil.NodeContextFactory factory) { + return NodeContextUtil.toContexts(children, factory); + } + + /** + * @param + * @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 getInput(NodeContext context) { + Object o = context.getConstant(BuiltinKeys.INPUT); + if (o == null) + throw new NullPointerException("null input"); + return (T) o; + } + + /** + * @param + * @param clazz + * @return null if input is null or if the class + * does not match + */ + @SuppressWarnings("unchecked") + protected T tryGetInput(NodeContext context, Class clazz) { + Object o = context.getConstant(BuiltinKeys.INPUT); + if (o != null && clazz.isInstance(o)) + return (T) o; + return null; + } + +}