Scenario2fciWizardPageOne.java

package gr.upatras.ece.nam.fstoolkit.scenariotofci;

import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.Path;
import org.eclipse.jdt.core.IPackageFragment;
import org.eclipse.jdt.core.IPackageFragmentRoot;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.dialogs.ContainerSelectionDialog;

import brokermodel.federationscenarios.RequestedFederationScenario;
import brokermodel.uiObjects.ui_TaxonomyTreeItem;

public class Scenario2fciWizardPageOne extends WizardPage {

	private RequestedFederationScenario scenario;

	public RequestedFederationScenario getScenario() {
		return scenario;
	}
	private Text ScenarioText;
	private Text containerText;
	private Combo targetLanguage;
	
	
	protected Scenario2fciWizardPageOne(RequestedFederationScenario scenario) {
		super("Generate Federation Computing Interface");
		setTitle("Generate Federation Computing Interface (FCI) for a target language");

		setDescription("This wizard generates new Federation Computing Interface (FCI) files " +
				"and an example application for a selected target language " +
				"given a running Federation Scenario.");
		
		this.scenario = scenario;
		System.out.println("Scenario2fciWizardPageOne selection= "+scenario);
		
//		for (Object obj : selection.toArray()) {
//			System.out.println("Scenario2fciWizardPageOne =" + obj.toString()  );
//			if (obj instanceof ui_TaxonomyTreeItem){
//				if ( ((ui_TaxonomyTreeItem)obj).getOfficeElement() instanceof RequestedFederationScenario ){
//					scenario = 
//							(RequestedFederationScenario)((ui_TaxonomyTreeItem)obj).getOfficeElement();
//				}
//			}
//		}
//		

	}
	
	
	@Override
	public void createControl(Composite parent) {
		Composite container = new Composite(parent, SWT.NULL);
		GridLayout layout = new GridLayout();
		container.setLayout(layout);
		layout.numColumns = 3;
		layout.verticalSpacing = 9;
		
		GridData gd = new GridData(GridData.FILL_HORIZONTAL);
		
		Label label = new Label(container, SWT.NULL);
		label.setText("&Scenario Name:");

		ScenarioText = new Text(container, SWT.BORDER | SWT.SINGLE | SWT.READ_ONLY);
		gd = new GridData(GridData.FILL_HORIZONTAL);
		ScenarioText.setLayoutData(gd);		
		ScenarioText.setText(scenario.getName());		
		ScenarioText.addModifyListener(new ModifyListener() {
			public void modifyText(ModifyEvent e) {
				dialogChanged();
			}
		});
		label = new Label(container, SWT.NULL);
		
		label = new Label(container, SWT.NULL);
		label.setText("&Target Language:");
		targetLanguage = new Combo(container, SWT.BORDER | SWT.SINGLE| SWT.READ_ONLY );
		gd = new GridData(GridData.FILL_HORIZONTAL);
		targetLanguage.setLayoutData(gd);
		targetLanguage.add("Java");
		//targetLanguage.add("C");
		//targetLanguage.add("Python");
		targetLanguage.select(0);
		label = new Label(container, SWT.NULL);
		
		
		label = new Label(container, SWT.NULL);
		label.setText("&Container:");

		containerText = new Text(container, SWT.BORDER | SWT.SINGLE);
		gd = new GridData(GridData.FILL_HORIZONTAL);
		containerText.setLayoutData(gd);
		containerText.addModifyListener(new ModifyListener() {
			public void modifyText(ModifyEvent e) {
				dialogChanged();
			}
		});

		Button button = new Button(container, SWT.PUSH);
		button.setText("Browse...");
		button.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent e) {
				handleBrowse();
			}
		});
		
		//initialize();
		dialogChanged();

		setControl(container);
		
	}
	
	/**
	 * Uses the standard container selection dialog to choose the new value for
	 * the container field.
	 */

	private void handleBrowse() {
		ContainerSelectionDialog dialog = new ContainerSelectionDialog(
				getShell(), ResourcesPlugin.getWorkspace().getRoot(), false,
				"Select new file container");
		if (dialog.open() == ContainerSelectionDialog.OK) {
			Object[] result = dialog.getResult();
			if (result.length == 1) {
				containerText.setText(((Path) result[0]).toString());
			}
		}
	}
	
	public void setContainerText(String containerText) {
		this.containerText.setText(containerText) ;
	}
	
	/**
	 * Tests if the current workbench selection is a suitable container to use.
	 */

//	private void initialize() {
//		
//		if (selection != null && selection.isEmpty() == false
//				&& selection instanceof IStructuredSelection) {
//			IStructuredSelection ssel = (IStructuredSelection) selection;
//			if (ssel.size() > 1)
//				return;
//			Object obj = ssel.getFirstElement();
//			
//			if (obj instanceof IPackageFragmentRoot){
//				try {
//					obj = ((IPackageFragmentRoot)obj).getCorrespondingResource();
//				} catch (JavaModelException e) {
//					// TODO Auto-generated catch block
//					e.printStackTrace();
//				}
//			}
//			
//			if (obj instanceof IPackageFragment){
//				try {
//					obj = ((IPackageFragment)obj).getCorrespondingResource();
//				} catch (JavaModelException e) {
//					// TODO Auto-generated catch block
//					e.printStackTrace();
//				}
//			}
//			
//			if ( (obj instanceof IResource) || (obj instanceof IContainer) ) {
//				IContainer container;
//				if (obj instanceof IContainer)
//					container = (IContainer) obj;
//				else
//					container = ((IResource) obj).getParent();
//				
//				containerText.setText(container.getFullPath().toString());
//			}
//		}
////		passwordText.setText("");
//	}
	
	private void dialogChanged() {
		IResource container = ResourcesPlugin.getWorkspace().getRoot()
				.findMember(new Path(getContainerName()));
		
		
		if (getScenarioText().length() == 0) {
			updateStatus("Scenario name must be specified");
			return;
		}
		
		if (getContainerName().length() == 0) {
			updateStatus("File container must be specified");
			return;
		}
		if (container == null
				|| (container.getType() & (IResource.PROJECT | IResource.FOLDER)) == 0) {
			updateStatus("File container must exist");
			return;
		}
		if (!container.isAccessible()) {
			updateStatus("Project must be writable");
			return;
		}
		
		
		updateStatus(null);
	}
	
//	private void showErrorDecorationForControl(Control control){
//		// Create a control decoration to indicate an error.
//		dec = new ControlDecoration(control, SWT.TOP | SWT.LEFT);
//		FieldDecoration errorFieldIndicator = FieldDecorationRegistry.getDefault().
//		   getFieldDecoration(FieldDecorationRegistry.DEC_ERROR);
//		dec.setImage(errorFieldIndicator.getImage());
//		dec.setDescriptionText(errorFieldIndicator.getDescription());
//	}
	
	
	private void updateStatus(String message) {
		setErrorMessage(message);
		setPageComplete(message == null);
	}
	public String getContainerName() {
		return containerText.getText();
	}
	
	
	public String getScenarioText() {
		return ScenarioText.getText();
	}
	public String getTargetLanguage() {
		return targetLanguage.getText();
	}

}