Java tutorial
/******************************************************************************* * Copyright (c) 2008, 2012 * 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: * Javier Canovas (javier.canovas@inria.fr) *******************************************************************************/ package fr.inria.atlanmod.collaboro.ui.views; import java.io.ByteArrayInputStream; import java.io.FileOutputStream; import java.io.FileWriter; import java.io.IOException; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import org.apache.batik.dom.svg.SAXSVGDocumentFactory; import org.apache.batik.dom.svg.SVGDOMImplementation; import org.apache.batik.dom.util.DOMUtilities; import org.apache.batik.util.XMLResourceDescriptor; import org.apache.commons.io.IOUtils; import org.eclipse.core.internal.resources.File; import org.eclipse.core.resources.IResource; import org.eclipse.core.resources.ResourcesPlugin; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IPath; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.MultiStatus; import org.eclipse.core.runtime.Path; import org.eclipse.core.runtime.Status; import org.eclipse.emf.cdo.CDOObject; import org.eclipse.emf.cdo.common.model.CDOClassifierRef; import org.eclipse.emf.cdo.eresource.CDOResource; import org.eclipse.emf.common.util.EList; import org.eclipse.emf.common.util.TreeIterator; import org.eclipse.emf.common.util.URI; import org.eclipse.emf.ecore.EAttribute; import org.eclipse.emf.ecore.EClass; import org.eclipse.emf.ecore.EClassifier; import org.eclipse.emf.ecore.EEnumLiteral; import org.eclipse.emf.ecore.ENamedElement; import org.eclipse.emf.ecore.EObject; import org.eclipse.emf.ecore.EReference; import org.eclipse.emf.ecore.EStructuralFeature; import org.eclipse.emf.ecore.xmi.impl.XMIResourceImpl; import org.eclipse.emf.internal.cdo.object.DynamicCDOObjectImpl; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.TreeSelection; import org.eclipse.swt.SWT; import org.eclipse.swt.browser.Browser; import org.eclipse.swt.layout.FillLayout; import org.eclipse.ui.ISelectionListener; import org.eclipse.ui.IWorkbenchPart; import org.eclipse.ui.part.ViewPart; import org.w3c.dom.DOMImplementation; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.svg.SVGDocument; import com.abstratt.graphviz.GraphViz; import com.abstratt.graphviz.GraphVizActivator; import fr.inria.atlanmod.collaboro.history.Add; import fr.inria.atlanmod.collaboro.history.ConcreteSyntaxElement; import fr.inria.atlanmod.collaboro.history.ExistingAbstractSyntaxElement; import fr.inria.atlanmod.collaboro.history.History; import fr.inria.atlanmod.collaboro.history.ModelChange; import fr.inria.atlanmod.collaboro.history.NewAbstractSyntaxElement; import fr.inria.atlanmod.collaboro.notation.AttributeValue; import fr.inria.atlanmod.collaboro.notation.Composite; import fr.inria.atlanmod.collaboro.notation.GraphicalElement; import fr.inria.atlanmod.collaboro.notation.Keyword; import fr.inria.atlanmod.collaboro.notation.NotationElement; import fr.inria.atlanmod.collaboro.notation.ReferenceValue; import fr.inria.atlanmod.collaboro.notation.SyntaxOf; import fr.inria.atlanmod.collaboro.notation.TextualElement; import fr.inria.atlanmod.collaboro.notation.Token; import fr.inria.atlanmod.collaboro.ui.Controller; import fr.inria.atlanmod.collaboro.ui.views.notation.builder.DotNotationBuilder; /** * This view renders the notation for abstract/concrete elemetns and show it in a view. * * @author Javier Canovas (javier.canovas@inria.fr) * */ public class NotationView extends ViewPart implements ISelectionListener { public static final String ID = "atlanmod.collaboro.ui.notationView"; // Default starting coordinates, fonts and so on private static int START_X = 10; private static int START_Y = 20; private static int VERTICAL_SEP = 23; private static int TAB = 20; private static int CHAR_SEP = 8; private static String DEFAULT_FONT_SIZE = "12px"; private static String DEFAULT_FONT_FAMILY = "monospace"; // The composite showing the notation // protected NotationComposite notation; protected Browser notation; private boolean inCDO = false; /** * Inner class to represent shown boxes. * * @author Javier Canovas (javier.canovas@inria.fr) * */ private class Box { private int width, height; private int x, y; public int getWidth() { return width; } public void setWidth(int width) { this.width = width; } public int getHeight() { return height; } public void setHeight(int height) { this.height = height; } public int getX() { return x; } public void setX(int x) { this.x = x; } public int getY() { return y; } public void setY(int y) { this.y = y; } public Box(int width, int height, int x, int y) { super(); this.width = width; this.height = height; this.x = x; this.y = y; } } /** * Updates the view */ @Override public void selectionChanged(IWorkbenchPart part, ISelection selection) { if (part.getSite().getId().equals(Controller.ECORE_PLUGIN_ID)) { TreeSelection treeSelection = (TreeSelection) selection; Object element = treeSelection.getFirstElement(); if (element instanceof EClassifier) { EClassifier modelElement = (EClassifier) element; updateView(modelElement); } } if (part.getSite().getId().equals(Controller.PACKAGE_EXPLORER_PLUGIN_ID) || (part.getSite().getId().equals(Controller.PROJECT_EXPLORER_PLUGIN_ID))) { TreeSelection treeSelection = (TreeSelection) selection; Object element = treeSelection.getFirstElement(); if (element instanceof File) { File file = (File) element; java.io.File ioFile = new java.io.File(file.getLocation().toOSString()); if (ioFile.isFile() && (ioFile.getAbsolutePath() .substring(ioFile.getAbsolutePath().lastIndexOf("."), ioFile.getAbsolutePath().length()) .equals("." + Controller.MODEL_EXTENSION))) { EObject eObject = Controller.INSTANCE.loadModel(ioFile); if (eObject != null) { updateView(eObject); } } } } if (part.getSite().getId().equals(VersionView.CDO_SESSIONS_VIEW)) { TreeSelection treeSelection = (TreeSelection) selection; Object element = treeSelection.getFirstElement(); if (element instanceof CDOResource) { inCDO = true; updateView((EObject) element); inCDO = false; } } if (part.getSite().getId().equals(VersionView.CDO_EDITOR)) { TreeSelection treeSelection = (TreeSelection) selection; Object element = treeSelection.getFirstElement(); inCDO = true; if (element instanceof EClassifier) { updateView((EClassifier) element); } inCDO = false; } if (part.getSite().getId().equals(Controller.REFLECTIVE_EDITOR_PLUGIN_ID)) { TreeSelection treeSelection = (TreeSelection) selection; Object element = treeSelection.getFirstElement(); if (element instanceof XMIResourceImpl) { XMIResourceImpl factory = (XMIResourceImpl) element; URI uri = factory.getURI(); java.io.File ioFile = new java.io.File( ResourcesPlugin.getWorkspace().getRoot().getLocation().toFile().toString() + uri.toPlatformString(true)); if (ioFile.isFile() && (ioFile.getAbsolutePath() .substring(ioFile.getAbsolutePath().lastIndexOf("."), ioFile.getAbsolutePath().length()) .equals("." + Controller.MODEL_EXTENSION))) { EObject eObject = Controller.INSTANCE.loadModel(ioFile); if (eObject != null) { updateView(eObject); } } } } if (part.getSite().getId().equals(Controller.NOTATION_EDITOR_PLUGIN_ID)) { Controller.INSTANCE.inNotation(); } else { Controller.INSTANCE.outNotation(); } } /** * Debug method. Prints out the generated SVG * * @param eObject * @param indent */ public void printModel(EObject eObject, String indent) { System.out.println("Instance " + eObject.eClass().getName()); for (EStructuralFeature structuralFeature : eObject.eClass().getEAllStructuralFeatures()) { System.out.println(" Feature: " + structuralFeature.eClass().getName() + " " + structuralFeature.getName() + " value " + eObject.eGet(structuralFeature)); } } @Override public void createPartControl(org.eclipse.swt.widgets.Composite parent) { parent.setLayout(new FillLayout()); // notation = new NotationComposite(parent, createTestImage()); //TODO notation = new Browser(parent, SWT.NONE); parent.layout(); getSite().getPage().addSelectionListener(this); } @Override public void setFocus() { } private boolean checkGraphical(NotationElement notationElement) { boolean toReturn = false; if (notationElement instanceof GraphicalElement) { toReturn = true; } else if (notationElement instanceof Composite) { for (NotationElement element : ((Composite) notationElement).getSubElements()) { toReturn = toReturn || this.checkGraphical(element); } } else { toReturn = false; } return toReturn; } /** * Updates the vied with the notation of the modelElement (abstract syntax element). * * @param modelElement */ public void updateView(EClassifier modelElement) { NotationElement notationElement = Controller.INSTANCE.getNotation(modelElement); SVGDocument svgImage = null; String svgLocation; if (inCDO) { String loc = "file:/" + System.getProperty("java.io.tmpdir") + "temp.svg"; svgLocation = loc.replaceAll("\\\\", "/"); } else { svgLocation = Controller.INSTANCE.getEcoreModel().eResource().getURI().toString() + ".svg"; } if (notationElement == null) { svgImage = createNoSyntaxImage(); serialize(svgImage, svgLocation); } else { if (this.checkGraphical(notationElement)) { svgImage = buildSVGFromDot(notationElement); } else { svgImage = buildSVG(notationElement); serialize(svgImage, svgLocation); } } // notation.setSVGDocument(svgImage); notation.setUrl(svgLocation); notation.layout(true); } /** * Updates the view with the notation of the modelElement instance (instance of * the abstract syntax element). * * @param instanceModelElement */ public void updateView(EObject instanceModelElement) { EClassifier modelElement = null; if (inCDO) { instanceModelElement = instanceModelElement.eContents().get(0); } modelElement = instanceModelElement.eClass(); NotationElement notationElement = Controller.INSTANCE.getNotation(modelElement); SVGDocument svgImage = null; String location; if (inCDO) { String loc = "file:/" + System.getProperty("java.io.tmpdir") + "temp.svg"; location = loc.replaceAll("\\\\", "/"); } else { location = instanceModelElement.eResource().getURI().toString() + ".svg"; } if (notationElement == null) { svgImage = createNoSyntaxImage(); serialize(svgImage, location); } else { if (this.checkGraphical(notationElement)) { svgImage = buildSVGFromDot(instanceModelElement, notationElement); } else { svgImage = buildSVG(instanceModelElement, notationElement); serialize(svgImage, location); } } notation.setUrl(location); notation.layout(true); } /** * Builds the SVG for the corresponding notationElement. The representation is for * the abstract syntax element. * * @param notationElement * @return */ public SVGDocument buildSVG(NotationElement notationElement) { DOMImplementation impl = SVGDOMImplementation.getDOMImplementation(); String svgNS = SVGDOMImplementation.SVG_NAMESPACE_URI; SVGDocument doc = (SVGDocument) impl.createDocument(svgNS, "svg", null); buildSVG(notationElement, doc, START_X, START_Y); return doc; } /** * Builds the SVG for the corresponding notationElement and particularizes the * representation with the model element instance. * * @param instanceModelElement * @param notationElement * @return */ public SVGDocument buildSVG(EObject instanceModelElement, NotationElement notationElement) { DOMImplementation impl = SVGDOMImplementation.getDOMImplementation(); String svgNS = SVGDOMImplementation.SVG_NAMESPACE_URI; SVGDocument doc = (SVGDocument) impl.createDocument(svgNS, "svg", null); buildSVG(instanceModelElement, notationElement, doc, START_X, START_Y); return doc; } private void serialize(SVGDocument image, String location) { try { String replaceFirst = location.substring(6); FileWriter fileWriter = new FileWriter(replaceFirst); DOMUtilities.writeDocument(image, fileWriter); fileWriter.close(); ResourcesPlugin.getWorkspace().getRoot().refreshLocal(IResource.DEPTH_INFINITE, null); } catch (IOException e) { e.printStackTrace(); } catch (CoreException e) { e.printStackTrace(); } } /** * Builds the SVG for the corresponding notationElement. The representation is for * the abstract syntax element. * * @param notationElement * @param doc * @param x * @param y */ private Box buildSVG(NotationElement notationElement, SVGDocument doc, int x, int y) { Element svgRoot = doc.getDocumentElement(); Box result = new Box(0, 0, x, y); if (notationElement instanceof Composite) { Composite composite = (Composite) notationElement; result.setX(x); int oldX = x; for (NotationElement subElement : composite.getSubElements()) { if (subElement instanceof Composite) { x = oldX + TAB; y = y + VERTICAL_SEP; } Box subBox = buildSVG(subElement, doc, x, y); if ((subElement instanceof Composite) || (subElement instanceof SyntaxOf)) { x = oldX; y = y + subBox.getHeight() - VERTICAL_SEP; if (result.getWidth() < subBox.getWidth()) result.setWidth(subBox.getWidth()); result.setHeight(result.getHeight() + subBox.getHeight()); } else { x = x + subBox.getWidth(); result.setWidth(result.getWidth() + subBox.getWidth()); if (result.getHeight() < subBox.getHeight()) result.setHeight(subBox.getHeight()); } } } else if (notationElement instanceof TextualElement) { TextualElement textualElement = (TextualElement) notationElement; Element text = doc.createElementNS(SVGDOMImplementation.SVG_NAMESPACE_URI, "text"); text.setAttributeNS(null, "x", String.valueOf(x)); text.setAttributeNS(null, "y", String.valueOf(y)); text.setAttributeNS(null, "font-size", DEFAULT_FONT_SIZE); text.setAttributeNS(null, "font-family", DEFAULT_FONT_FAMILY); String value = ""; if (textualElement instanceof Keyword) { Keyword keyword = (Keyword) notationElement; text.setAttributeNS(null, "font-weight", "bold"); text.setAttributeNS(null, "fill", "green"); text.setAttributeNS(null, "stroke", "none"); value = keyword.getId(); } else if (textualElement instanceof Token) { Token token = (Token) notationElement; text.setAttributeNS(null, "fill", "black"); text.setAttributeNS(null, "stroke", "none"); value = token.getId(); } else if (textualElement instanceof AttributeValue) { AttributeValue attributeValue = (AttributeValue) notationElement; text.setAttributeNS(null, "fill", "orange"); value = "<value of '" + attributeValue.getAttribute().getName() + "' attribute>"; } else if (textualElement instanceof ReferenceValue) { ReferenceValue referenceValue = (ReferenceValue) notationElement; text.setAttributeNS(null, "fill", "orange"); value = "<value of '" + referenceValue.getReference().getName() + "' reference>"; } result.setWidth(value.length() * CHAR_SEP + CHAR_SEP); result.setHeight(VERTICAL_SEP); text.setTextContent(value); svgRoot.appendChild(text); } else if (notationElement instanceof SyntaxOf) { SyntaxOf syntaxOf = (SyntaxOf) notationElement; Element text = doc.createElementNS(SVGDOMImplementation.SVG_NAMESPACE_URI, "text"); text.setAttributeNS(null, "x", String.valueOf(x)); text.setAttributeNS(null, "y", String.valueOf(y)); text.setAttributeNS(null, "font-size", DEFAULT_FONT_SIZE); text.setAttributeNS(null, "font-family", DEFAULT_FONT_FAMILY); text.setAttributeNS(null, "fill", "blue"); String value = "<syntax of '" + syntaxOf.getReference().getName() + "' reference>"; text.setTextContent(value); result.setWidth(value.length() * CHAR_SEP + CHAR_SEP); result.setHeight(VERTICAL_SEP); svgRoot.appendChild(text); } return result; } /** * Builds the SVG for the corresponding notationElement and particularizes the * representation with the model element instance. * * @param eObject * @param notationElement * @param doc * @param x * @param y * @return */ public Box buildSVG(EObject eObject, NotationElement notationElement, SVGDocument doc, int x, int y) { Element svgRoot = doc.getDocumentElement(); Box result = new Box(0, 0, x, y); if (notationElement instanceof Composite) { Composite composite = (Composite) notationElement; result.setX(x); int oldX = x; for (NotationElement subElement : composite.getSubElements()) { if (subElement instanceof Composite) { x = oldX + TAB; y = y + VERTICAL_SEP; } Box subBox = buildSVG(eObject, subElement, doc, x, y); if ((subElement instanceof Composite)) { // || (subElement instanceof SyntaxOf)) { x = oldX; y = y + subBox.getHeight() - VERTICAL_SEP; if (result.getWidth() < subBox.getWidth()) result.setWidth(subBox.getWidth()); result.setHeight(result.getHeight() + subBox.getHeight()); } else { x = x + subBox.getWidth(); result.setWidth(result.getWidth() + subBox.getWidth()); if (result.getHeight() < subBox.getHeight()) result.setHeight(subBox.getHeight()); } } } else if (notationElement instanceof TextualElement) { TextualElement textualElement = (TextualElement) notationElement; Element text = doc.createElementNS(SVGDOMImplementation.SVG_NAMESPACE_URI, "text"); text.setAttributeNS(null, "x", String.valueOf(x)); text.setAttributeNS(null, "y", String.valueOf(y)); text.setAttributeNS(null, "font-size", DEFAULT_FONT_SIZE); text.setAttributeNS(null, "font-family", DEFAULT_FONT_FAMILY); String value = ""; if (textualElement instanceof Keyword) { Keyword keyword = (Keyword) notationElement; text.setAttributeNS(null, "font-weight", "bold"); text.setAttributeNS(null, "fill", keyword.getFill().getLiteral()); text.setAttributeNS(null, "stroke", "none"); value = keyword.getId(); } else if (textualElement instanceof Token) { Token token = (Token) notationElement; text.setAttributeNS(null, "fill", token.getFill().getLiteral()); text.setAttributeNS(null, "stroke", "none"); value = token.getId(); } else if (textualElement instanceof AttributeValue) { AttributeValue attributeValue = (AttributeValue) notationElement; text.setAttributeNS(null, "fill", attributeValue.getFill().getLiteral()); EAttribute eAttribute = attributeValue.getAttribute(); value = convert(eObject.eGet(eObject.eClass().getEStructuralFeature(eAttribute.getName()))); } else if (textualElement instanceof ReferenceValue) { ReferenceValue referenceValue = (ReferenceValue) notationElement; text.setAttributeNS(null, "fill", referenceValue.getFill().getLiteral()); EReference eReference = referenceValue.getReference(); EAttribute eAttribute = referenceValue.getAttribute(); String separator = referenceValue.getSeparator(); Object referredObjs = eObject.eGet(eObject.eClass().getEStructuralFeature(eReference.getName())); if (referredObjs instanceof EList) { EList<EObject> eReferenceList = (EList<EObject>) referredObjs; for (EObject elementList : eReferenceList) { Object attributeValue = elementList .eGet(elementList.eClass().getEStructuralFeature(eAttribute.getName())); value += convert(attributeValue); if (eReferenceList.indexOf(elementList) != eReferenceList.size() - 1) { value += separator; } } } else if (referredObjs instanceof EObject) { EObject elementList = (EObject) referredObjs; Object attributeValue = elementList .eGet(elementList.eClass().getEStructuralFeature(eAttribute.getName())); value += convert(attributeValue); } } if (value.length() > 0) { result.setWidth(value.length() * CHAR_SEP + CHAR_SEP); result.setHeight(VERTICAL_SEP); text.setTextContent(value); svgRoot.appendChild(text); } } else if (notationElement instanceof SyntaxOf) { SyntaxOf syntaxOf = (SyntaxOf) notationElement; EReference eReference = syntaxOf.getReference(); Object referredObjs = eObject.eGet(eObject.eClass().getEStructuralFeature(eReference.getName())); if (referredObjs instanceof EList) { EList<EObject> eReferenceList = (EList<EObject>) referredObjs; if (eReferenceList.size() > 0) { for (EObject elementList : eReferenceList) { NotationElement subNotationElement = Controller.INSTANCE.getNotation(elementList.eClass()); if (subNotationElement != null) { Box subBox = buildSVG(elementList, subNotationElement, doc, x, y); y = y + subBox.getHeight(); if (result.getWidth() < subBox.getWidth()) result.setWidth(subBox.getWidth()); result.setHeight(result.getHeight() + subBox.getHeight()); } } } } } return result; } private SVGDocument buildSVGFromDot(EObject instanceModelElement, NotationElement notationElement) { //Create the dot graph definition //get history and put the model changes in a map with MM element --> Syntax element Map<EObject, EObject> modelChanges = new HashMap<EObject, EObject>(); History history = Controller.INSTANCE.getHistory(); for (TreeIterator<EObject> iterator = history.eAllContents(); iterator.hasNext();) { EObject eObject = (EObject) iterator.next(); if (eObject instanceof Add) { EObject targetSE = ((ModelChange) eObject).getTarget(); EObject referredElementSE = ((ModelChange) eObject).getReferredElement(); if (targetSE instanceof ConcreteSyntaxElement) { targetSE = ((ConcreteSyntaxElement) targetSE).getElement(); } else if (targetSE instanceof ExistingAbstractSyntaxElement) { targetSE = ((ExistingAbstractSyntaxElement) targetSE).getElement(); } else { targetSE = ((NewAbstractSyntaxElement) targetSE).getElement(); } if (referredElementSE instanceof ConcreteSyntaxElement) { referredElementSE = ((ConcreteSyntaxElement) referredElementSE).getElement(); } else if (referredElementSE instanceof ExistingAbstractSyntaxElement) { referredElementSE = ((ExistingAbstractSyntaxElement) referredElementSE).getElement(); } else { referredElementSE = ((NewAbstractSyntaxElement) referredElementSE).getElement(); } modelChanges.put(referredElementSE, targetSE); } } //Build the dot represetation StringBuilder dotGraph = new StringBuilder(); dotGraph.append("graph ").append(instanceModelElement.eClass().getName()).append(" {\n rankdir=\"LR\";\n"); DotNotationBuilder dotBuilder = new DotNotationBuilder(); Map<String, EObject> list = new HashMap<String, EObject>(); for (EObject eObj : modelChanges.keySet()) { ENamedElement eClass = (ENamedElement) eObj; list.put(eClass.getName(), modelChanges.get(eObj)); } if (list.keySet().contains(instanceModelElement.eClass().getName())) {//(modelChanges.keySet().contains(instanceModelElement.eClass())){ dotGraph.append(dotBuilder.create(instanceModelElement, (NotationElement) list.get(instanceModelElement.eClass().getName()), modelChanges)); } dotGraph.append(" }\n"); String svgLocation; if (inCDO) { String loc = "file:/" + System.getProperty("java.io.tmpdir") + "temp.svg"; svgLocation = loc.replaceAll("\\\\", "/"); } else { svgLocation = instanceModelElement.eResource().getURI().toString() + ".svg"; } Document doc = null; try { ByteArrayInputStream input = new ByteArrayInputStream(dotGraph.toString().getBytes()); //GraphViz.generate(input, "svg", new Point(300, 300), new Path(instanceModelElement.eResource().getURI().toFileString()+".svg")); runDot(input, new Path(svgLocation));//instanceModelElement.eResource().getURI().toFileString()+".svg")); //String svgLocation = instanceModelElement.eResource().getURI().toString() + ".svg"; String parser = XMLResourceDescriptor.getXMLParserClassName(); SAXSVGDocumentFactory f = new SAXSVGDocumentFactory(parser); doc = f.createDocument(svgLocation); } catch (IOException e) { e.printStackTrace(); } return (SVGDocument) doc; } private SVGDocument buildSVGFromDot(NotationElement notationElement) { StringBuilder dotGraph = new StringBuilder(); dotGraph.append("graph ").append(notationElement.getId()).append(" {\n rankdir=\"LR\";\n"); DotNotationBuilder dotBuilder = new DotNotationBuilder(); dotGraph.append(dotBuilder.create(notationElement)); dotGraph.append(" }\n"); Document doc = null; String fullPath; if (inCDO) { String loc = "file:/" + System.getProperty("java.io.tmpdir") + "temp.svg"; fullPath = loc.replaceAll("\\\\", "/"); } else { fullPath = Controller.INSTANCE.getEcoreModel().eResource().getURI().toFileString() + ".svg"; } try { ByteArrayInputStream input = new ByteArrayInputStream(dotGraph.toString().getBytes()); // GraphViz.generate(input, "svg", new Point(200, 200), new Path(Controller.INSTANCE.getEcoreModel().eResource().getURI().toFileString()+".svg")); runDot(input, new Path(fullPath)); // String svgLocation = Controller.INSTANCE.getEcoreModel().eResource().getURI().toString() + ".svg"; String parser = XMLResourceDescriptor.getXMLParserClassName(); SAXSVGDocumentFactory f = new SAXSVGDocumentFactory(parser); if (inCDO) { doc = f.createDocument(fullPath); } else { java.io.File file = new java.io.File(fullPath); doc = f.createDocument(file.toURL().toString()); } } catch (IOException e) { e.printStackTrace(); } return (SVGDocument) doc; } //method inspired from the generate method of the com.abstratt.graphviz plugin private void runDot(ByteArrayInputStream input, IPath outputLocation) { MultiStatus status = new MultiStatus(GraphVizActivator.ID, 0, "Errors occurred while running Graphviz", null); java.io.File dotInput = null; java.io.File dotOutput = outputLocation.toFile(); try { // determine the temp input location dotInput = java.io.File.createTempFile("graphviz", ".dot"); // dump the contents from the input stream into the temporary file // to be submitted to dot FileOutputStream tmpDotOutputStream = null; try { tmpDotOutputStream = new FileOutputStream(dotInput); IOUtils.copy(input, tmpDotOutputStream); } finally { IOUtils.closeQuietly(tmpDotOutputStream); } String absolutePath; if (outputLocation.isAbsolute()) { absolutePath = dotOutput.getPath().replaceFirst("file:\\\\", ""); } else { absolutePath = dotOutput.getAbsolutePath(); } IStatus result = GraphViz.runDot("-Tsvg", "-Gsize=200,200", "-o" + absolutePath, dotInput.getAbsolutePath()); if (dotOutput.isFile()) { // success! return; } } catch (IOException e) { status.add(new Status(IStatus.ERROR, GraphVizActivator.ID, "", e)); } finally { dotInput.delete(); IOUtils.closeQuietly(input); } } /** * Obtains the string representation of the value * * @param value * @return */ protected String convert(Object value) { String result = "ND"; if (value instanceof String) { result = (String) value; } else if (value instanceof EEnumLiteral) { EEnumLiteral literal = (EEnumLiteral) value; result = literal.toString(); } return result; } /** * Creates a splash image with the message "No item selected" * * @return */ protected SVGDocument createTestImage() { DOMImplementation impl = SVGDOMImplementation.getDOMImplementation(); String svgNS = SVGDOMImplementation.SVG_NAMESPACE_URI; SVGDocument doc = (SVGDocument) impl.createDocument(svgNS, "svg", null); Element root = doc.getDocumentElement(); root.setAttributeNS(null, "width", "500px"); root.setAttributeNS(null, "height", "500px"); Element text = doc.createElementNS(SVGDOMImplementation.SVG_NAMESPACE_URI, "text"); text.setAttributeNS(null, "x", "10"); text.setAttributeNS(null, "y", "20"); text.setAttributeNS(null, "font-size", DEFAULT_FONT_SIZE); text.setAttributeNS(null, "font-family", DEFAULT_FONT_FAMILY); text.setAttributeNS(null, "font-weight", "bold"); text.setAttributeNS(null, "fill", "red"); text.setAttributeNS(null, "stroke", "none"); text.setTextContent("No item selected"); root.appendChild(text); return doc; } /** * Creates a splash image with the message "No syntax defined" * * @return */ protected SVGDocument createNoSyntaxImage() { DOMImplementation impl = SVGDOMImplementation.getDOMImplementation(); String svgNS = SVGDOMImplementation.SVG_NAMESPACE_URI; SVGDocument doc = (SVGDocument) impl.createDocument(svgNS, "svg", null); Element root = doc.getDocumentElement(); root.setAttributeNS(null, "width", "500px"); root.setAttributeNS(null, "height", "500px"); Element text = doc.createElementNS(SVGDOMImplementation.SVG_NAMESPACE_URI, "text"); text.setAttributeNS(null, "x", "10"); text.setAttributeNS(null, "y", "20"); text.setAttributeNS(null, "font-size", DEFAULT_FONT_SIZE); text.setAttributeNS(null, "font-family", DEFAULT_FONT_FAMILY); text.setAttributeNS(null, "font-weight", "bold"); text.setAttributeNS(null, "fill", "red"); text.setAttributeNS(null, "stroke", "none"); text.setTextContent("No syntax defined"); root.appendChild(text); return doc; } }