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package org.eclipse.papyrus.compare.report.ui.action;
import java.io.File;
import java.io.IOException;
import java.util.Collections;
import java.util.List;
import org.eclipse.core.resources.IFile;
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.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.compare.diff.metamodel.ComparisonResourceSetSnapshot;
import org.eclipse.emf.compare.diff.metamodel.ComparisonResourceSnapshot;
import org.eclipse.emf.compare.diff.metamodel.ComparisonSnapshot;
import org.eclipse.emf.compare.diff.metamodel.DiffModel;
import org.eclipse.emf.compare.ui.internal.wizard.SaveDeltaWizard;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.papyrus.compare.report.services.UmlElementService;
import org.eclipse.papyrus.compare.report.ui.common.GenerateAll;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.dialogs.WizardNewFileCreationPage;
public class ExportAsHTMLWizard extends SaveDeltaWizard {
private static final String HTML_EXTENSION = "html";
private static final String EMFDIFF_EXTENSION = "emfdiff";
private WizardNewFileCreationPage myNewReportFileCreationPage;
private IResource myFirstSelectedFile;
private String myDefaultFileName;
public ExportAsHTMLWizard() {
super(null); // use default extension
}
public void init(IWorkbench workbench, ComparisonSnapshot inputSnapshot) {
super.init(workbench, inputSnapshot);
DiffModel model = getDiffModel(inputSnapshot);
Resource firstSelectedResource = getFirstSelectedResource(model);
myFirstSelectedFile = ResourcesPlugin.getWorkspace().getRoot().findMember(firstSelectedResource.getURI().toPlatformString(true));
myDefaultFileName = new UmlElementService().getFileName(model);
}
private DiffModel getDiffModel(ComparisonSnapshot inputSnapshot) {
if(inputSnapshot instanceof ComparisonResourceSnapshot) {
return ((ComparisonResourceSnapshot)inputSnapshot).getDiff();
} else {
EList<DiffModel> diffModels = ((ComparisonResourceSetSnapshot)inputSnapshot).getDiffResourceSet().getDiffModels();
if(!diffModels.isEmpty()) {
return diffModels.get(0);
} else {
// log;
return null;
}
}
}
private Resource getFirstSelectedResource(DiffModel diffModel) {
EList<EObject> leftRoots = diffModel.getLeftRoots();
if(leftRoots.isEmpty()) {
// log
return null;
}
return leftRoots.get(0).eResource();
}
@Override
public IStructuredSelection getSelection() {
IStructuredSelection result = super.getSelection();
if(result == null || result.isEmpty() && myFirstSelectedFile != null) {
return new StructuredSelection(myFirstSelectedFile);
}
return result;
}
public void addPages() {
super.addPages();
findNewDiffFilePage().setAllowExistingResources(true);
findNewDiffFilePage().setFileExtension(EMFDIFF_EXTENSION);
findNewDiffFilePage().setFileName(getDefaultFileName() + "." + EMFDIFF_EXTENSION);
myNewReportFileCreationPage = new WizardNewFileCreationPage("newFilePage1", getSelection());//$NON-NLS-1$
myNewReportFileCreationPage.setFileName(getDefaultFileName() + "." + HTML_EXTENSION);
myNewReportFileCreationPage.setAllowExistingResources(true);
myNewReportFileCreationPage.setTitle("New HTML File");
myNewReportFileCreationPage.setDescription("Create a new HTML file");
myNewReportFileCreationPage.setFileExtension(HTML_EXTENSION);
addPage(myNewReportFileCreationPage);
}
@Override
public boolean performFinish() {
boolean result = super.performFinish();
if(!result) {
return false;
}
myNewReportFileCreationPage.createNewFile();
IProgressMonitor monitor = new NullProgressMonitor();
IResource targetFolder = getTargetFolder(); // The logical folder were the IFile is to appear.
File rawTargetFolder = getRawTargetFolder(); // The file-system folder were the File is to be created.
GenerateAll generator = new GenerateAll(getNewDiffModelURI(), rawTargetFolder, getTemplateArguments());
try {
generator.doGenerate(monitor);
} catch (IOException e) {
e.printStackTrace();
return false;
} finally {
try {
targetFolder.refreshLocal(IResource.DEPTH_INFINITE, monitor);
} catch (CoreException e) {
e.printStackTrace();
}
}
return true;
}
private String getDefaultFileName() {
return myDefaultFileName;
}
private List<? extends Object> getTemplateArguments() {
return Collections.singletonList(myNewReportFileCreationPage.getFileName());
}
private File getRawTargetFolder() {
File targetFolder = null;
IResource targetFolderResource = ResourcesPlugin.getWorkspace().getRoot().findMember(myNewReportFileCreationPage.getContainerFullPath());
if (targetFolderResource.isLinked()) {
targetFolder = targetFolderResource.getRawLocation().toFile();
} else {
IPath targetFolderPath = targetFolderResource.getLocation();
if (targetFolderPath != null) {
targetFolder = targetFolderPath.toFile();
} else {
// Virtual folder or non-local project.
// In that case, use the diff-model's folder as file-system folder.
WizardNewFileCreationPage saveDiffPage = findNewDiffFilePage();
IPath filePath = saveDiffPage.getContainerFullPath().append(saveDiffPage.getFileName());
IFile fileHandle = ResourcesPlugin.getWorkspace().getRoot().getFile(filePath);
targetFolder = fileHandle.getRawLocation().toFile().getParentFile();
}
}
return targetFolder;
}
private IResource getTargetFolder() {
return ResourcesPlugin.getWorkspace().getRoot().findMember(myNewReportFileCreationPage.getContainerFullPath());
}
private WizardNewFileCreationPage findNewDiffFilePage() {
final String page = "newFilePage1"; //$NON-NLS-1$
return (WizardNewFileCreationPage)getPage(page);
}
private URI getNewDiffModelURI() {
WizardNewFileCreationPage saveDiffPage = findNewDiffFilePage();
IPath filePath = saveDiffPage.getContainerFullPath().append(saveDiffPage.getFileName());
IFile fileHandle = ResourcesPlugin.getWorkspace().getRoot().getFile(filePath);
return URI.createFileURI(fileHandle.getLocation().toOSString());
}
}
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