org.eclipse.osbp.xtext.topologydsl/src/org/eclipse/osbp/xtext/topologydsl/jvmmodel/TopologyDSLJvmModelInferrer.xtend - gerrit/osbp/org.eclipse.osbp.xtext.topology - Git at Google

 /**
  *
  * Copyright (c) 2011, 2016 - Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
  *
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
  * which accompanies this distribution, and is available at
  * https://www.eclipse.org/legal/epl-2.0/
  *
  * SPDX-License-Identifier: EPL-2.0
  *
  * Contributors:
  * Christophe Loetz (Loetz GmbH&Co.KG) - initial implementation
  *
  *
  *  This copyright notice shows up in the generated Java code
  *
  */

 package org.eclipse.osbp.xtext.topologydsl.jvmmodel

 import com.ejt.vaadin.sizereporter.ComponentResizeListener
 import com.ejt.vaadin.sizereporter.SizeReporter
 import com.vaadin.annotations.JavaScript
 import com.vaadin.shared.ui.JavaScriptComponentState
 import com.vaadin.ui.AbstractJavaScriptComponent
 import com.vaadin.ui.Component
 import com.vaadin.ui.VerticalLayout
 import java.util.Locale
 import javax.annotation.PostConstruct
 import javax.annotation.PreDestroy
 import javax.inject.Inject
 import org.eclipse.e4.core.contexts.IEclipseContext
 import org.eclipse.e4.ui.di.Focus
 import org.eclipse.e4.ui.model.application.MApplication
 import org.eclipse.e4.ui.model.application.ui.advanced.MPerspective
 import org.eclipse.emf.common.notify.Adapter
 import org.eclipse.osbp.osgi.hybrid.api.AbstractHybridVaaclipseView
 import org.eclipse.osbp.runtime.common.event.IEventDispatcher
 import org.eclipse.osbp.ui.api.e4.IE4Focusable
 import org.eclipse.osbp.ui.api.metadata.IDSLMetadataService
 import org.eclipse.osbp.ui.api.themes.EnumCssClass
 import org.eclipse.osbp.ui.api.user.IUser
 import org.eclipse.osbp.utils.annotation.CommonUtils
 import org.eclipse.osbp.utils.vaadin.ViewLayoutManager
 import org.eclipse.osbp.xtext.topologydsl.Topology
 import org.eclipse.osbp.xtext.topologydsl.TopologyPackage
 import org.eclipse.xtext.common.types.JvmDeclaredType
 import org.eclipse.xtext.common.types.JvmField
 import org.eclipse.xtext.common.types.JvmVisibility
 import org.eclipse.xtext.xbase.jvmmodel.AbstractModelInferrer
 import org.eclipse.xtext.xbase.jvmmodel.IJvmDeclaredTypeAcceptor
 import org.eclipse.xtext.xbase.jvmmodel.JvmTypesBuilder
 import org.slf4j.Logger

 /**
  * <p>
  * This inferrer infers models of extension .topology and generates code to be used by a e4 application as view. Underlying components
  * are from the vaadin component repository and especially JavaScript components based on D3.
  * </p>
  *
  * @author Jose Dominguez
  */
 /**
  * <p>Infers a JVM model from the source model.</p>
  *
  * <p>The JVM model should contain all elements that would appear in the Java code
  * which is generated from the source model. Other models link against the JVM model rather than the source model.</p>
  */
 class TopologyDSLJvmModelInferrer extends AbstractModelInferrer {

 	/**
 	 * convenience API to build and initialize JVM types and their members.
 	 */
 	@Inject extension JvmTypesBuilder
 	@Inject extension D3JsJavaUtil
 	@Inject extension CommonUtils

 	def dispatch void infer(TopologyPackage pckg, IJvmDeclaredTypeAcceptor acceptor, boolean isPreIndexingPhase) {
 		for (Topology topology : pckg.topologies) {
 			var cls = topology.toClass(pckg.name.concat(".").concat(topology.name).concat("Topology"))
 			cls.superTypes.add(_typeReferenceBuilder.typeRef(AbstractHybridVaaclipseView))
 			cls.superTypes.add(_typeReferenceBuilder.typeRef(IUser.UserLocaleListener))
 			cls.superTypes.add(_typeReferenceBuilder.typeRef(IE4Focusable))
 			acceptor.accept(cls, [
 				it.fileHeader = pckg.documentation
 				it.toFields(topology)
 				it.toConstructor(topology)
 				it.toOperations(topology)
 			])
 			val stateClassName = topology.createStateFilename
 			var topology_cls = topology.toClass(topology.createfullyQualifiedTopologyFilename)
 			// JavaScript-Java-State-Component creation
 			var state_cls = topology.toClass(topology.createfullyQualifiedStateFilename)
 			// JavaScript-Java-Component creation
 			acceptor.accept(topology_cls, [
 				superTypes += _typeReferenceBuilder.typeRef(AbstractJavaScriptComponent)
 				var jsAnnotationRef = _annotationTypesBuilder.annotationRef(JavaScript)
 				var jsAnnotationList = newArrayList('''theme://plugin/org.eclipse.osbp.utils.js/org/eclipse/osbp/utils/js/d3.min.js''', '''theme://plugin/org.eclipse.osbp.utils.js/org/eclipse/osbp/utils/js/topojson.v1.min.js''', '''js/«topology.createTopologyJsFilename»''')
 				jsAnnotationRef.addStringValuesToAnnotation(jsAnnotationList)
 				annotations += jsAnnotationRef
 				it.toTopologyConstructor(topology)
 				it.toTopologyFields(topology)
 				it.toTopologyOperations(topology, stateClassName)
 			])
 			// JavaScript-Java-State-Component creation
 			acceptor.accept(state_cls, [
 				superTypes += _typeReferenceBuilder.typeRef(JavaScriptComponentState)
 				it.toTopologyStateFields(topology)
 			])
 		}
 	}

 	/**
 	 * <p>build the constructors to be used by an e4 application.</p>
 	 *
 	 */
 	def void toConstructor(JvmDeclaredType type, Topology topology) {
 		type.members += topology.toConstructor(
 			[
 			annotations += _annotationTypesBuilder.annotationRef(Inject)
 			parameters += topology.toParameter("parent", _typeReferenceBuilder.typeRef(VerticalLayout))
 			parameters += topology.toParameter("context", _typeReferenceBuilder.typeRef(IEclipseContext))
 			parameters += topology.toParameter("app", _typeReferenceBuilder.typeRef(MApplication))
 			body = [append(
 			'''
 			super(parent,context,app);
 			perspective = context.get(MPerspective.class);''')]
 		])
 	}

 	/**
 	 * <p>build the class variables.</p>
 	 *
 	 */
 	def void toFields(JvmDeclaredType type, Topology topology) {
 		var JvmField field = null
 		// create logger
 		field = topology.toField("log", _typeReferenceBuilder.typeRef(Logger)) [
 			setInitializer([append('''org.slf4j.LoggerFactory.getLogger("topology")''')])
 		]
 		field.static = true
 		field.visibility = JvmVisibility::PRIVATE
 		type.members += field
 		field = topology.toField("layoutManager", _typeReferenceBuilder.typeRef(ViewLayoutManager))
 		type.members += field
 		field = topology.toField("dataComponent", _typeReferenceBuilder.typeRef(Component))
 		type.members += field
 		field = topology.toField("panelWidth", _typeReferenceBuilder.typeRef(int))
 		type.members += field
 		field = topology.toField("panelHeight", _typeReferenceBuilder.typeRef(int))
 		type.members += field
 		field = topology.toField("dslMetadataService", _typeReferenceBuilder.typeRef(IDSLMetadataService)) [
 			annotations += _annotationTypesBuilder.annotationRef(Inject)
 		]
 		type.members += field
 		field = topology.toField("locale", _typeReferenceBuilder.typeRef(Locale))
 		type.members += field
 		field = topology.toField("user", _typeReferenceBuilder.typeRef(IUser)) [
 			annotations += _annotationTypesBuilder.annotationRef(Inject)
 		]
 		type.members += field
 		field = topology.toField("eventDispatcher", _typeReferenceBuilder.typeRef(IEventDispatcher)) [
 			annotations += _annotationTypesBuilder.annotationRef(Inject)
 		]
 		type.members += field
 		field = topology.toField("splitAdapter", _typeReferenceBuilder.typeRef(Adapter.Internal))
 		type.members += field
 		field = topology.toField("resizeListener", _typeReferenceBuilder.typeRef(ComponentResizeListener))
 		type.members += field
 		field = topology.toField("sizeReporter", _typeReferenceBuilder.typeRef(SizeReporter));
 		type.members += field
 		field = topology.toField("perspective", _typeReferenceBuilder.typeRef(MPerspective));
 		type.members += field
 	}

 	/**
 	 * <p>build the methods.</p>
 	 *
 	 */
 	def void toOperations(JvmDeclaredType type, Topology topology) {

 		// activate
 		type.members += topology.toMethod("activate", _typeReferenceBuilder.typeRef(Void::TYPE), [
 			annotations += _annotationTypesBuilder.annotationRef(PostConstruct)
 			body = [
 				append(
 				'''
 					user.addUserLocaleListener(this);
 					locale = user.getLocale();
 					// to resize the chart according to split positions of partsashcontainer - setContainerData is tracked
 					((EObject)getPart()).eAdapters().add(splitAdapter);
 					sizeReporter.addResizeListener(resizeListener);
 				''')
 			]

 		])

 		// deactivate
 		type.members += topology.toMethod("deactivate", _typeReferenceBuilder.typeRef(Void::TYPE), [
 			annotations += _annotationTypesBuilder.annotationRef(PreDestroy)
 			body = [
 				append(
 				'''
 					user.removeUserLocaleListener(this);
 					((EObject)getPart()).eAdapters().remove(splitAdapter);
 					sizeReporter.removeResizeListener(resizeListener);
 				''')
 			]
 		])
 		// create view
 		type.members += topology.toMethod("createView", _typeReferenceBuilder.typeRef(Void::TYPE), [
 			parameters += topology.toParameter("parent", _typeReferenceBuilder.typeRef(VerticalLayout))
 			body = [append('''«topology.createView»''')]
 		])

 		// create components
 		type.members += topology.toMethod("createComponents", _typeReferenceBuilder.typeRef(Void::TYPE), [
 			body = [append('''«topology.createComponents»''')]
 		])

 		// create D3 Topology
 		type.members += topology.toMethod("createD3Topology", _typeReferenceBuilder.typeRef(Component), [
 			body = [append('''«topology.createD3Topology»''')]
 		])

 		// focus
 		type.members += topology.toMethod("setFocus", _typeReferenceBuilder.typeRef(Void::TYPE), [
 			annotations += _annotationTypesBuilder.annotationRef(Focus)
 			body = [append(
 			'''
 			Component parent = getParent();
 			while(!(parent instanceof Panel) && parent != null) {
 				parent = parent.getParent();
 			}
 			if(parent != null) {
 				((Panel)parent).focus();
 			}''')]

 		])
 		// locale notification
 		type.members += topology.toMethod("localeChanged", _typeReferenceBuilder.typeRef(Void::TYPE), [
 			visibility = JvmVisibility.PUBLIC
 			annotations += _annotationTypesBuilder.annotationRef(Override)
 			parameters += topology.toParameter("locale", _typeReferenceBuilder.typeRef(Locale))
 			body = [append('''«topology.localeChanged»''')]
 		])
 	}

 	/**
 	 * <p>build the main method to be called from e4.</p>
 	 *
 	 */
 	def String createView(Topology topology) {
 		var body = '''
 			getContext().set(IE4Focusable.class, this);
 			layoutManager = new ViewLayoutManager();
 			layoutManager.init(parent);
 			splitAdapter = new AdapterImpl() {
 				@Override
 				public void notifyChanged(Notification notification) {
 					if (notification.getEventType()==Notification.SET &&
 							notification.getFeatureID(UIElementImpl.class) == UiPackageImpl.UI_ELEMENT__CONTAINER_DATA)
 					{
 						log.debug("render due to split position changed");
 						renderData();
 					}
 				}
 			};
 			sizeReporter = new SizeReporter(layoutManager.getDataArea());
 			resizeListener = new ComponentResizeListener() {
 				@Override
 				public void sizeChanged(ComponentResizeEvent event) {
 					boolean changed = false;
 					if (panelWidth != event.getWidth()) {
 						changed = true;
 						panelWidth = event.getWidth();
 					}
 					if (panelHeight != event.getHeight()) {
 						changed = true;
 						panelHeight = event.getHeight();
 					}
 					if (changed) {
 						log.debug("Panel size changed : " + event.getWidth() + " x " + event.getHeight());
 						renderData();
 					}
 				}
 			};
 		'''
 		return body
 	}

 	/**
 	 * <p>build the data components.</p>
 	 *
 	 */
 	def String createComponents(Topology topology) {
 		var body = '''
 			if (panelWidth == 0 && panelHeight == 0) {
 				return;
 			}
 			log.debug("topology creates components");
 			try {
 				// remove any previous component
 				if	(dataComponent != null) {
 					layoutManager.getDataArea().removeComponent(dataComponent);
 					dataComponent = null;
 				}
 				// generate a new result component
 				dataComponent = createD3Topology();
 				dataComponent.setSizeFull();
 				dataComponent.addStyleName("«EnumCssClass.DATA_COMPONENT.styleName»");
 				layoutManager.getDataArea().addComponent(dataComponent);
 				layoutManager.getDataArea().setExpandRatio(dataComponent, 1);
 			} catch (Exception e) {
 				log.error(e.getLocalizedMessage());
 			}
 			log.debug("topology creating components finished");
 		'''
 		return body
 	}

 	def localeChanged(Topology topology) '''
 		if(layoutManager != null) {
 			layoutManager.setLabelValue(dslMetadataService.translate(locale.toLanguageTag(), "«topology.titleValue»"));
 		}
 	'''

 	/**
 	 * <p>build the class variables.</p>
 	 *
 	 */
 	def void toTopologyFields(JvmDeclaredType type, Topology topology) {
 		var JvmField field = null
 		// create logger
 		field = topology.toField("log", _typeReferenceBuilder.typeRef(Logger)) [
 			setInitializer([append('''org.slf4j.LoggerFactory.getLogger("topology")''')])
 		]
 		field.static = true
 		field.visibility = JvmVisibility::PRIVATE
 		type.members += field
 	}

 	def void toTopologyOperations(JvmDeclaredType type, Topology topology, String stateClassName) {
 		// create view
 		type.members += topology.toMethod("getState", _typeReferenceBuilder.typeRef(stateClassName), [
 			body = [append('''return («stateClassName») super.getState();''')]
 		])
 		// create focus
 		type.members += topology.toMethod("focus", _typeReferenceBuilder.typeRef(Void::TYPE), [
 			annotations += _annotationTypesBuilder.annotationRef(Override)
 			body = [append('''super.focus();''')]
 		])

 	}

 	def void toTopologyConstructor(JvmDeclaredType type, Topology topology) {
 		type.members += topology.toConstructor(
 			[
 			parameters += topology.toParameter("_htmlTagId", _typeReferenceBuilder.typeRef(String))
 			parameters += topology.toParameter("eventDispatcher", _typeReferenceBuilder.typeRef(IEventDispatcher))
 			parameters += topology.toParameter("perspective", _typeReferenceBuilder.typeRef(MPerspective))
 			parameters += topology.toParameter("_jsonData", _typeReferenceBuilder.typeRef(String))
 			parameters += topology.toParameter("width", _typeReferenceBuilder.typeRef(int))
 			parameters += topology.toParameter("height", _typeReferenceBuilder.typeRef(int))
 			body = [
 				append(
 					'''
 					getState().jsonData = _jsonData;
 					getState().htmlTagId=_htmlTagId;
 					getState().panelWidth = new Integer(width).toString();
 					getState().panelHeight = new Integer(height).toString();
 					addFunction("on«topology.fileName»Click", new JavaScriptFunction() {
 						@Override
 						public void call(JsonArray arguments){
 							try {
 								EventDispatcherEvent evnt = new EventDispatcherEvent(perspective, EventDispatcherCommand.SELECT, "Topology", "«topology.name»");
 								if(arguments.get(0) instanceof JreJsonString && arguments.get(1) instanceof JreJsonString) {
 									evnt.addItem(EventDispatcherDataTag.LIST, arguments.getString(0)+"."+arguments.getString(1));
 									eventDispatcher.sendEvent(evnt);
 								}
 							} catch (JsonException jsonExp){
 								log.error("«topology.fileName»Click - JsonException: no property available");
 							}
 						}
 					});'''
 				)
 			]
 		])
 	}

 	def void toTopologyStateFields(JvmDeclaredType type, Topology topology) {
 		type.members += topology.toField("jsonData", _typeReferenceBuilder.typeRef(String)) [
 			visibility = JvmVisibility::PUBLIC
 			setInitializer([append('''""''')])
 		]
 		type.members += topology.toField("htmlTagId", _typeReferenceBuilder.typeRef(String)) [
 			visibility = JvmVisibility::PUBLIC
 			setInitializer([append('''""''')])
 		]
 		type.members += topology.toField("panelWidth", _typeReferenceBuilder.typeRef(String)) [
 			visibility = JvmVisibility::PUBLIC
 			setInitializer([append('''""''')])
 		]
 		type.members += topology.toField("panelHeight", _typeReferenceBuilder.typeRef(String)) [
 			visibility = JvmVisibility::PUBLIC
 			setInitializer([append('''""''')])
 		]
 		type.members += topology.toField("inputValue", _typeReferenceBuilder.typeRef(String)) [
 			visibility = JvmVisibility::PUBLIC
 			setInitializer([append('''""''')])
 		]
 	}

 	def createD3Topology(Topology topology) '''
 		InputStream json = getClass().getResourceAsStream("/topologies/«topology.fileName».json");
 		try {
 			return new «topology.createfullyQualifiedTopologyFilename»("«topology.createTopologyFilename»", eventDispatcher, perspective, IOUtils.toString(json), panelWidth, panelHeight);
 		} catch (IOException e) {
 			log.error("found no data for «topology.fileName» in folder topologies");
 		}
 		return null;
 	'''
 }
	/**
	*
	* Copyright (c) 2011, 2016 - Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
	*
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License 2.0
	* which accompanies this distribution, and is available at
	* https://www.eclipse.org/legal/epl-2.0/
	*
	* SPDX-License-Identifier: EPL-2.0
	*
	* Contributors:
	* Christophe Loetz (Loetz GmbH&Co.KG) - initial implementation
	*
	*
	* This copyright notice shows up in the generated Java code
	*
	*/

	package org.eclipse.osbp.xtext.topologydsl.jvmmodel

	import com.ejt.vaadin.sizereporter.ComponentResizeListener
	import com.ejt.vaadin.sizereporter.SizeReporter
	import com.vaadin.annotations.JavaScript
	import com.vaadin.shared.ui.JavaScriptComponentState
	import com.vaadin.ui.AbstractJavaScriptComponent
	import com.vaadin.ui.Component
	import com.vaadin.ui.VerticalLayout
	import java.util.Locale
	import javax.annotation.PostConstruct
	import javax.annotation.PreDestroy
	import javax.inject.Inject
	import org.eclipse.e4.core.contexts.IEclipseContext
	import org.eclipse.e4.ui.di.Focus
	import org.eclipse.e4.ui.model.application.MApplication
	import org.eclipse.e4.ui.model.application.ui.advanced.MPerspective
	import org.eclipse.emf.common.notify.Adapter
	import org.eclipse.osbp.osgi.hybrid.api.AbstractHybridVaaclipseView
	import org.eclipse.osbp.runtime.common.event.IEventDispatcher
	import org.eclipse.osbp.ui.api.e4.IE4Focusable
	import org.eclipse.osbp.ui.api.metadata.IDSLMetadataService
	import org.eclipse.osbp.ui.api.themes.EnumCssClass
	import org.eclipse.osbp.ui.api.user.IUser
	import org.eclipse.osbp.utils.annotation.CommonUtils
	import org.eclipse.osbp.utils.vaadin.ViewLayoutManager
	import org.eclipse.osbp.xtext.topologydsl.Topology
	import org.eclipse.osbp.xtext.topologydsl.TopologyPackage
	import org.eclipse.xtext.common.types.JvmDeclaredType
	import org.eclipse.xtext.common.types.JvmField
	import org.eclipse.xtext.common.types.JvmVisibility
	import org.eclipse.xtext.xbase.jvmmodel.AbstractModelInferrer
	import org.eclipse.xtext.xbase.jvmmodel.IJvmDeclaredTypeAcceptor
	import org.eclipse.xtext.xbase.jvmmodel.JvmTypesBuilder
	import org.slf4j.Logger

	/**
	* <p>
	* This inferrer infers models of extension .topology and generates code to be used by a e4 application as view. Underlying components
	* are from the vaadin component repository and especially JavaScript components based on D3.
	* </p>
	*
	* @author Jose Dominguez
	*/
	/**
	* <p>Infers a JVM model from the source model.</p>
	*
	* <p>The JVM model should contain all elements that would appear in the Java code
	* which is generated from the source model. Other models link against the JVM model rather than the source model.</p>
	*/
	class TopologyDSLJvmModelInferrer extends AbstractModelInferrer {

	/**
	* convenience API to build and initialize JVM types and their members.
	*/
	@Inject extension JvmTypesBuilder
	@Inject extension D3JsJavaUtil
	@Inject extension CommonUtils

	def dispatch void infer(TopologyPackage pckg, IJvmDeclaredTypeAcceptor acceptor, boolean isPreIndexingPhase) {
	for (Topology topology : pckg.topologies) {
	var cls = topology.toClass(pckg.name.concat(".").concat(topology.name).concat("Topology"))
	cls.superTypes.add(_typeReferenceBuilder.typeRef(AbstractHybridVaaclipseView))
	cls.superTypes.add(_typeReferenceBuilder.typeRef(IUser.UserLocaleListener))
	cls.superTypes.add(_typeReferenceBuilder.typeRef(IE4Focusable))
	acceptor.accept(cls, [
	it.fileHeader = pckg.documentation
	it.toFields(topology)
	it.toConstructor(topology)
	it.toOperations(topology)
	])
	val stateClassName = topology.createStateFilename
	var topology_cls = topology.toClass(topology.createfullyQualifiedTopologyFilename)
	// JavaScript-Java-State-Component creation
	var state_cls = topology.toClass(topology.createfullyQualifiedStateFilename)
	// JavaScript-Java-Component creation
	acceptor.accept(topology_cls, [
	superTypes += _typeReferenceBuilder.typeRef(AbstractJavaScriptComponent)
	var jsAnnotationRef = _annotationTypesBuilder.annotationRef(JavaScript)
	var jsAnnotationList = newArrayList('''theme://plugin/org.eclipse.osbp.utils.js/org/eclipse/osbp/utils/js/d3.min.js''', '''theme://plugin/org.eclipse.osbp.utils.js/org/eclipse/osbp/utils/js/topojson.v1.min.js''', '''js/«topology.createTopologyJsFilename»''')
	jsAnnotationRef.addStringValuesToAnnotation(jsAnnotationList)
	annotations += jsAnnotationRef
	it.toTopologyConstructor(topology)
	it.toTopologyFields(topology)
	it.toTopologyOperations(topology, stateClassName)
	])
	// JavaScript-Java-State-Component creation
	acceptor.accept(state_cls, [
	superTypes += _typeReferenceBuilder.typeRef(JavaScriptComponentState)
	it.toTopologyStateFields(topology)
	])
	}
	}

	/**
	* <p>build the constructors to be used by an e4 application.</p>
	*
	*/
	def void toConstructor(JvmDeclaredType type, Topology topology) {
	type.members += topology.toConstructor(
	[
	annotations += _annotationTypesBuilder.annotationRef(Inject)
	parameters += topology.toParameter("parent", _typeReferenceBuilder.typeRef(VerticalLayout))
	parameters += topology.toParameter("context", _typeReferenceBuilder.typeRef(IEclipseContext))
	parameters += topology.toParameter("app", _typeReferenceBuilder.typeRef(MApplication))
	body = [append(
	'''
	super(parent,context,app);
	perspective = context.get(MPerspective.class);''')]
	])
	}

	/**
	* <p>build the class variables.</p>
	*
	*/
	def void toFields(JvmDeclaredType type, Topology topology) {
	var JvmField field = null
	// create logger
	field = topology.toField("log", _typeReferenceBuilder.typeRef(Logger)) [
	setInitializer([append('''org.slf4j.LoggerFactory.getLogger("topology")''')])
	]
	field.static = true
	field.visibility = JvmVisibility::PRIVATE
	type.members += field
	field = topology.toField("layoutManager", _typeReferenceBuilder.typeRef(ViewLayoutManager))
	type.members += field
	field = topology.toField("dataComponent", _typeReferenceBuilder.typeRef(Component))
	type.members += field
	field = topology.toField("panelWidth", _typeReferenceBuilder.typeRef(int))
	type.members += field
	field = topology.toField("panelHeight", _typeReferenceBuilder.typeRef(int))
	type.members += field
	field = topology.toField("dslMetadataService", _typeReferenceBuilder.typeRef(IDSLMetadataService)) [
	annotations += _annotationTypesBuilder.annotationRef(Inject)
	]
	type.members += field
	field = topology.toField("locale", _typeReferenceBuilder.typeRef(Locale))
	type.members += field
	field = topology.toField("user", _typeReferenceBuilder.typeRef(IUser)) [
	annotations += _annotationTypesBuilder.annotationRef(Inject)
	]
	type.members += field
	field = topology.toField("eventDispatcher", _typeReferenceBuilder.typeRef(IEventDispatcher)) [
	annotations += _annotationTypesBuilder.annotationRef(Inject)
	]
	type.members += field
	field = topology.toField("splitAdapter", _typeReferenceBuilder.typeRef(Adapter.Internal))
	type.members += field
	field = topology.toField("resizeListener", _typeReferenceBuilder.typeRef(ComponentResizeListener))
	type.members += field
	field = topology.toField("sizeReporter", _typeReferenceBuilder.typeRef(SizeReporter));
	type.members += field
	field = topology.toField("perspective", _typeReferenceBuilder.typeRef(MPerspective));
	type.members += field
	}

	/**
	* <p>build the methods.</p>
	*
	*/
	def void toOperations(JvmDeclaredType type, Topology topology) {

	// activate
	type.members += topology.toMethod("activate", _typeReferenceBuilder.typeRef(Void::TYPE), [
	annotations += _annotationTypesBuilder.annotationRef(PostConstruct)
	body = [
	append(
	'''
	user.addUserLocaleListener(this);
	locale = user.getLocale();
	// to resize the chart according to split positions of partsashcontainer - setContainerData is tracked
	((EObject)getPart()).eAdapters().add(splitAdapter);
	sizeReporter.addResizeListener(resizeListener);
	''')
	]

	])

	// deactivate
	type.members += topology.toMethod("deactivate", _typeReferenceBuilder.typeRef(Void::TYPE), [
	annotations += _annotationTypesBuilder.annotationRef(PreDestroy)
	body = [
	append(
	'''
	user.removeUserLocaleListener(this);
	((EObject)getPart()).eAdapters().remove(splitAdapter);
	sizeReporter.removeResizeListener(resizeListener);
	''')
	]
	])
	// create view
	type.members += topology.toMethod("createView", _typeReferenceBuilder.typeRef(Void::TYPE), [
	parameters += topology.toParameter("parent", _typeReferenceBuilder.typeRef(VerticalLayout))
	body = [append('''«topology.createView»''')]
	])

	// create components
	type.members += topology.toMethod("createComponents", _typeReferenceBuilder.typeRef(Void::TYPE), [
	body = [append('''«topology.createComponents»''')]
	])

	// create D3 Topology
	type.members += topology.toMethod("createD3Topology", _typeReferenceBuilder.typeRef(Component), [
	body = [append('''«topology.createD3Topology»''')]
	])

	// focus
	type.members += topology.toMethod("setFocus", _typeReferenceBuilder.typeRef(Void::TYPE), [
	annotations += _annotationTypesBuilder.annotationRef(Focus)
	body = [append(
	'''
	Component parent = getParent();
	while(!(parent instanceof Panel) && parent != null) {
	parent = parent.getParent();
	}
	if(parent != null) {
	((Panel)parent).focus();
	}''')]

	])
	// locale notification
	type.members += topology.toMethod("localeChanged", _typeReferenceBuilder.typeRef(Void::TYPE), [
	visibility = JvmVisibility.PUBLIC
	annotations += _annotationTypesBuilder.annotationRef(Override)
	parameters += topology.toParameter("locale", _typeReferenceBuilder.typeRef(Locale))
	body = [append('''«topology.localeChanged»''')]
	])
	}

	/**
	* <p>build the main method to be called from e4.</p>
	*
	*/
	def String createView(Topology topology) {
	var body = '''
	getContext().set(IE4Focusable.class, this);
	layoutManager = new ViewLayoutManager();
	layoutManager.init(parent);
	splitAdapter = new AdapterImpl() {
	@Override
	public void notifyChanged(Notification notification) {
	if (notification.getEventType()==Notification.SET &&
	notification.getFeatureID(UIElementImpl.class) == UiPackageImpl.UI_ELEMENT__CONTAINER_DATA)
	{
	log.debug("render due to split position changed");
	renderData();
	}
	}
	};
	sizeReporter = new SizeReporter(layoutManager.getDataArea());
	resizeListener = new ComponentResizeListener() {
	@Override
	public void sizeChanged(ComponentResizeEvent event) {
	boolean changed = false;
	if (panelWidth != event.getWidth()) {
	changed = true;
	panelWidth = event.getWidth();
	}
	if (panelHeight != event.getHeight()) {
	changed = true;
	panelHeight = event.getHeight();
	}
	if (changed) {
	log.debug("Panel size changed : " + event.getWidth() + " x " + event.getHeight());
	renderData();
	}
	}
	};
	'''
	return body
	}

	/**
	* <p>build the data components.</p>
	*
	*/
	def String createComponents(Topology topology) {
	var body = '''
	if (panelWidth == 0 && panelHeight == 0) {
	return;
	}
	log.debug("topology creates components");
	try {
	// remove any previous component
	if (dataComponent != null) {
	layoutManager.getDataArea().removeComponent(dataComponent);
	dataComponent = null;
	}
	// generate a new result component
	dataComponent = createD3Topology();
	dataComponent.setSizeFull();
	dataComponent.addStyleName("«EnumCssClass.DATA_COMPONENT.styleName»");
	layoutManager.getDataArea().addComponent(dataComponent);
	layoutManager.getDataArea().setExpandRatio(dataComponent, 1);
	} catch (Exception e) {
	log.error(e.getLocalizedMessage());
	}
	log.debug("topology creating components finished");
	'''
	return body
	}

	def localeChanged(Topology topology) '''
	if(layoutManager != null) {
	layoutManager.setLabelValue(dslMetadataService.translate(locale.toLanguageTag(), "«topology.titleValue»"));
	}
	'''

	/**
	* <p>build the class variables.</p>
	*
	*/
	def void toTopologyFields(JvmDeclaredType type, Topology topology) {
	var JvmField field = null
	// create logger
	field = topology.toField("log", _typeReferenceBuilder.typeRef(Logger)) [
	setInitializer([append('''org.slf4j.LoggerFactory.getLogger("topology")''')])
	]
	field.static = true
	field.visibility = JvmVisibility::PRIVATE
	type.members += field
	}

	def void toTopologyOperations(JvmDeclaredType type, Topology topology, String stateClassName) {
	// create view
	type.members += topology.toMethod("getState", _typeReferenceBuilder.typeRef(stateClassName), [
	body = [append('''return («stateClassName») super.getState();''')]
	])
	// create focus
	type.members += topology.toMethod("focus", _typeReferenceBuilder.typeRef(Void::TYPE), [
	annotations += _annotationTypesBuilder.annotationRef(Override)
	body = [append('''super.focus();''')]
	])

	}

	def void toTopologyConstructor(JvmDeclaredType type, Topology topology) {
	type.members += topology.toConstructor(
	[
	parameters += topology.toParameter("_htmlTagId", _typeReferenceBuilder.typeRef(String))
	parameters += topology.toParameter("eventDispatcher", _typeReferenceBuilder.typeRef(IEventDispatcher))
	parameters += topology.toParameter("perspective", _typeReferenceBuilder.typeRef(MPerspective))
	parameters += topology.toParameter("_jsonData", _typeReferenceBuilder.typeRef(String))
	parameters += topology.toParameter("width", _typeReferenceBuilder.typeRef(int))
	parameters += topology.toParameter("height", _typeReferenceBuilder.typeRef(int))
	body = [
	append(
	'''
	getState().jsonData = _jsonData;
	getState().htmlTagId=_htmlTagId;
	getState().panelWidth = new Integer(width).toString();
	getState().panelHeight = new Integer(height).toString();
	addFunction("on«topology.fileName»Click", new JavaScriptFunction() {
	@Override
	public void call(JsonArray arguments){
	try {
	EventDispatcherEvent evnt = new EventDispatcherEvent(perspective, EventDispatcherCommand.SELECT, "Topology", "«topology.name»");
	if(arguments.get(0) instanceof JreJsonString && arguments.get(1) instanceof JreJsonString) {
	evnt.addItem(EventDispatcherDataTag.LIST, arguments.getString(0)+"."+arguments.getString(1));
	eventDispatcher.sendEvent(evnt);
	}
	} catch (JsonException jsonExp){
	log.error("«topology.fileName»Click - JsonException: no property available");
	}
	}
	});'''
	)
	]
	])
	}

	def void toTopologyStateFields(JvmDeclaredType type, Topology topology) {
	type.members += topology.toField("jsonData", _typeReferenceBuilder.typeRef(String)) [
	visibility = JvmVisibility::PUBLIC
	setInitializer([append('''""''')])
	]
	type.members += topology.toField("htmlTagId", _typeReferenceBuilder.typeRef(String)) [
	visibility = JvmVisibility::PUBLIC
	setInitializer([append('''""''')])
	]
	type.members += topology.toField("panelWidth", _typeReferenceBuilder.typeRef(String)) [
	visibility = JvmVisibility::PUBLIC
	setInitializer([append('''""''')])
	]
	type.members += topology.toField("panelHeight", _typeReferenceBuilder.typeRef(String)) [
	visibility = JvmVisibility::PUBLIC
	setInitializer([append('''""''')])
	]
	type.members += topology.toField("inputValue", _typeReferenceBuilder.typeRef(String)) [
	visibility = JvmVisibility::PUBLIC
	setInitializer([append('''""''')])
	]
	}

	def createD3Topology(Topology topology) '''
	InputStream json = getClass().getResourceAsStream("/topologies/«topology.fileName».json");
	try {
	return new «topology.createfullyQualifiedTopologyFilename»("«topology.createTopologyFilename»", eventDispatcher, perspective, IOUtils.toString(json), panelWidth, panelHeight);
	} catch (IOException e) {
	log.error("found no data for «topology.fileName» in folder topologies");
	}
	return null;
	'''
	}