/*******************************************************************************
* Copyright (c) 2011 Grupo de Sistemas Inteligentes (GSI) - DIT UPM
*
* 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
*******************************************************************************/
package es.upm.dit.gsi.eclipse.jadex.adfmanager.wizards;
import java.io.File;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.dialogs.IDialogPage;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;
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.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.ElementTreeSelectionDialog;
import org.eclipse.ui.dialogs.ISelectionStatusValidator;
import org.eclipse.ui.dialogs.ResourceSelectionDialog;
import org.eclipse.ui.model.BaseWorkbenchContentProvider;
import org.eclipse.ui.model.WorkbenchLabelProvider;
import es.upm.dit.gsi.jadex.customproject.natures.JadexProjectNature;
import org.eclipse.core.databinding.validation.ValidationStatus;
/**
* This page allows to get the following information in order to create a new reference to an existing capability
* - Capability name
* - Capability File
*
* @author Pablo Muñoz
*/
public class AddCapabilityReferenceWizardPage extends WizardPage {
private Text capabilityNameText;
private Text capabilityFileText;
/**
* Constructor for AgentWizardPage
*
* @param pageName
*/
public AddCapabilityReferenceWizardPage(ISelection selection) {
super("wizardPage");
setTitle("Capability");
setDescription("This wizard adds a reference to an existing capability in the selected Agent");
}
/**
* @see IDialogPage#createControl(Composite)
*/
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;
PlatformUI.getWorkbench().getHelpSystem().setHelp(container, "es.upm.dit.gsi.eclipse.jadex.adfmanager.addCapabilityReferenceWizard");
Label label = new Label(container, SWT.NULL);
label.setText("Capability name:");
capabilityNameText = new Text(container, SWT.BORDER | SWT.SINGLE);
GridData gd = new GridData(GridData.FILL_HORIZONTAL);
gd.horizontalSpan = 2;
capabilityNameText.setLayoutData(gd);
capabilityNameText.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
dialogChanged();
}
});
capabilityNameText.setToolTipText("choose a name of an existing capability");
Label label2 = new Label(container, SWT.NULL);
label2.setText("Capability definition file:");
capabilityFileText = new Text(container, SWT.BORDER | SWT.SINGLE);
gd = new GridData(GridData.FILL_HORIZONTAL);
capabilityFileText.setLayoutData(gd);
capabilityFileText.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
dialogChanged();
}
});
capabilityFileText.setToolTipText("click browse in order to select an existing capability file");
Button button = new Button(container, SWT.PUSH);
button.setText("Browse...");
button.addSelectionListener(new SelectionAdapter(){
public void widgetSelected(SelectionEvent e) {
handleBrowse();
}
});
initialize();
dialogChanged();
setControl(container);
}
/**
* Tests if the current workbench selection is a suitable container to use.
*/
private void initialize() {
}
/**
* Ensures that the all text fields are set correctly.
*/
private void dialogChanged() {
File file = new File(getCapabilityFilePath());
if(capabilityNameText.getText().length() == 0){
updateStatus("capability name must be set");
return;
}
if(capabilityFileText.getText().length() == 0){
updateStatus("capability file must be set");
return;
}
if(file != null && !file.exists()){
updateStatus("The selected capability file doesn't exist");
return;
}
if(!file.getName().endsWith("capability.xml")){
updateStatus("Capability files must have the \"capability.xml\" extension");
return;
}
updateStatus(null);
}
/*
* This method is called in order to update the status message
*/
private void updateStatus(String message) {
setErrorMessage(message);
setPageComplete(message == null);
}
/**
*
* @return the capability name
*/
public String getCapabilityName() {
return capabilityNameText.getText();
}
/**
*
* @return the path to the capability definition file
*/
public String getCapabilityFilePath() {
return capabilityFileText.getText();
}
private void handleBrowse() {
ElementTreeSelectionDialog dialog = new ElementTreeSelectionDialog(
getShell(), new WorkbenchLabelProvider(), new BaseWorkbenchContentProvider());
dialog.setTitle("Select target Capability");
dialog.setMessage("Select the target capability file:");
dialog.setInput(ResourcesPlugin.getWorkspace().getRoot());
dialog.setAllowMultiple(false);
dialog.addFilter(new ViewerFilter() {
@Override
public boolean select(Viewer viewer, Object parentElement, Object element) {
if(element instanceof IProject){
IProject p = (IProject) element;
try{
if(p.hasNature(JadexProjectNature.NATURE_ID)){
return true;
}
else{
return false;
}
}
catch(CoreException e1){
return false;
}
}
else{
if(element instanceof IFile){
IFile file = (IFile) element;
try{
if(file.getName().endsWith("capability.xml")){
return true;
}
else{
return false;
}
}
catch(Exception e1){
return false;
}
}
}
return true;
}
});
dialog.setValidator(new ISelectionStatusValidator() {
@Override
public IStatus validate(Object[] selection) {
if(selection.length == 1){
if(selection[0] instanceof IFile){
IFile fileSel = (IFile) selection[0];
if(fileSel.getName().endsWith("capability.xml")){
return ValidationStatus.ok();
}
}
}
return ValidationStatus.error("Invalid selection");
}
});
if (dialog.open() == ResourceSelectionDialog.OK) {
Object[] result = dialog.getResult();
IFile f = (IFile) result[0];
capabilityFileText.setText(f.getRawLocation().toOSString());
dialogChanged();
}
}
}