package org.activiti.designer.eclipse.ui.wizard.diagram;
import org.activiti.designer.eclipse.common.ActivitiPlugin;
import org.activiti.designer.eclipse.common.PluginImage;
import org.activiti.designer.util.ActivitiConstants;
import org.apache.commons.lang.StringUtils;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.dialogs.WizardNewFileCreationPage;
public class CreateDefaultActivitiDiagramNameWizardPage extends WizardNewFileCreationPage {
public static final String PAGE_NAME = "createDefaultActivitiDiagramNameWizardPage";
private static final String DEFAULT_DIAGRAM_NAME = "MyProcess";
public CreateDefaultActivitiDiagramNameWizardPage(IStructuredSelection selection) {
super(PAGE_NAME, selection);
super.setFileName(DEFAULT_DIAGRAM_NAME);
setTitle("New Activiti Diagram");
setImageDescriptor(ActivitiPlugin.getImageDescriptor(PluginImage.ACTIVITI_LOGO_64x64));
setDescription("Create a new Activiti BPMN 2.0 Diagram.");
setFileExtension(StringUtils.substringAfter(ActivitiConstants.DATA_FILE_EXTENSION, "."));
// Set selection to the default folder if the project itself was selected
final IProject project = getProjectFromSelection(selection);
if (project != null) {
final IFolder folder = project.getFolder(ActivitiConstants.DIAGRAM_FOLDER);
if (folder != null && folder.exists()) {
selection.toList().set(0, folder);
}
}
}
private IProject getProjectFromSelection(final IStructuredSelection selection) {
IProject result = null;
if (selection.size() == 1) {
final Object firstSelectionElement = selection.getFirstElement();
if (firstSelectionElement instanceof IJavaProject) {
final IJavaProject javaProject = (IJavaProject) firstSelectionElement;
result = javaProject.getProject();
}
}
return result;
}
@Override
public boolean isPageComplete() {
return getWizard().canFinish();
}
@Override
protected IStatus validateLinkedResource() {
boolean valid = getWizard().canFinish();
if (!valid) {
final String errorMessage = String.format("A file with the name '%s' already exists in the project. Choose a different name for the diagram.",
getDiagramName());
this.setErrorMessage(errorMessage);
return new Status(IStatus.ERROR, ActivitiPlugin.PLUGIN_ID, errorMessage);
}
return super.validateLinkedResource();
}
public String getDiagramName() {
if (StringUtils.isNotBlank(super.getFileName())) {
return super.getFileName();
}
return null;
}
}