package org.jbpm.gd.jpdl.refactoring;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;
import org.eclipse.jface.wizard.IWizardPage;
import org.eclipse.ltk.core.refactoring.RefactoringStatus;
import org.eclipse.ltk.core.refactoring.participants.MoveRefactoring;
import org.eclipse.ltk.ui.refactoring.RefactoringWizard;
import org.eclipse.ltk.ui.refactoring.UserInputWizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.ui.model.BaseWorkbenchContentProvider;
import org.eclipse.ui.model.WorkbenchLabelProvider;
import org.eclipse.ui.model.WorkbenchViewerComparator;
public class MoveProcessWizard extends RefactoringWizard {
public MoveProcessWizard(IResource resource) {
super(new MoveRefactoring(new MoveProcessProcessor(resource)), DIALOG_BASED_USER_INTERFACE);
setDefaultPageTitle("Move Process");
setWindowTitle("Move Process");
}
protected void addUserInputPages() {
MoveProcessProcessor processor= (MoveProcessProcessor) getRefactoring().getAdapter(MoveProcessProcessor.class);
addPage(new MoveProcessRefactoringConfigurationPage(processor));
}
private static class MoveProcessRefactoringConfigurationPage extends UserInputWizardPage {
private final MoveProcessProcessor refactoringProcessor;
private TreeViewer destinationField;
public MoveProcessRefactoringConfigurationPage(MoveProcessProcessor processor) {
super("MoveResourcesRefactoringConfigurationPage");
refactoringProcessor= processor;
}
public void createControl(Composite parent) {
initializeDialogUnits(parent);
Composite composite= new Composite(parent, SWT.NONE);
composite.setLayout(new GridLayout(2, false));
composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
composite.setFont(parent.getFont());
Label label= new Label(composite, SWT.NONE);
IResource[] resourcesToMove= refactoringProcessor.getResourcesToMove();
label.setText("&Choose destination for " + refactoringProcessor.getProcessToMove() + " :");
label.setLayoutData(new GridData());
destinationField= new TreeViewer(composite, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
GridData gd= new GridData(GridData.FILL, GridData.FILL, true, true, 2, 1);
gd.widthHint= convertWidthInCharsToPixels(40);
gd.heightHint= convertHeightInCharsToPixels(15);
destinationField.getTree().setLayoutData(gd);
destinationField.setLabelProvider(new WorkbenchLabelProvider());
destinationField.setContentProvider(new BaseWorkbenchContentProvider());
destinationField.setComparator(new WorkbenchViewerComparator());
destinationField.setInput(ResourcesPlugin.getWorkspace());
destinationField.addFilter(new ViewerFilter() {
public boolean select(Viewer viewer, Object parentElement, Object element) {
if (element instanceof IProject) {
IProject project= (IProject) element;
return project.isAccessible();
} else if (element instanceof IFolder) {
return true;
}
return false;
}
});
destinationField.addSelectionChangedListener(new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {
validatePage();
}
});
if (resourcesToMove.length > 0) {
destinationField.setSelection(new StructuredSelection(resourcesToMove[0].getParent()));
}
setPageComplete(false);
setControl(composite);
}
public void setVisible(boolean visible) {
if (visible) {
destinationField.getTree().setFocus();
if (getErrorMessage() != null) {
setErrorMessage(null);
}
}
super.setVisible(visible);
}
private final void validatePage() {
RefactoringStatus status;
IStructuredSelection selection= (IStructuredSelection) destinationField.getSelection();
Object firstElement= selection.getFirstElement();
if (firstElement instanceof IContainer) {
status= refactoringProcessor.validateDestination((IContainer) firstElement);
} else {
status= new RefactoringStatus();
status.addError("Select a process.");
}
setPageComplete(status);
}
protected boolean performFinish() {
initializeRefactoring();
storeSettings();
return super.performFinish();
}
public IWizardPage getNextPage() {
initializeRefactoring();
storeSettings();
return super.getNextPage();
}
private void storeSettings() {
}
private void initializeRefactoring() {
IContainer container= (IContainer) ((IStructuredSelection) destinationField.getSelection()).getFirstElement();
refactoringProcessor.setDestination(container);
}
}
}