package org.simantics.xml.sax.ui.wizard;

import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.simantics.utils.ui.widgets.DirectorySelectionWidget;
import org.simantics.utils.ui.widgets.FileOrDirectorySelectionWidget;
import org.simantics.utils.ui.widgets.FileSelectionListener;
import org.simantics.utils.ui.widgets.FileSelectionWidget;

public class InputSelectionPage extends WizardPage implements FileSelectionListener{
	
	public InputSelectionPage() {
		super("InputPage","Select input files and output plug-in",null);
	}

	private FileSelectionWidget schemaSelection;
	private FileSelectionWidget configurationSelection;
	private DirectorySelectionWidget pluginSelection;
	
	boolean createPGraph = true;
	boolean createImporter = true;
	boolean createExporter = true;

	@Override
	public void createControl(Composite parent) {
		Composite composite = new Composite(parent, SWT.NONE);
		composite.setLayout(new GridLayout(1,false));
		GridDataFactory.fillDefaults().grab(true, true).align(SWT.FILL, SWT.FILL).applyTo(composite);
		
		schemaSelection = new FileSelectionWidget(composite, "Schema file", SWT.OPEN);
		configurationSelection = new FileSelectionWidget(composite, "Configuration file (Optional)", SWT.OPEN);
		pluginSelection = new DirectorySelectionWidget(composite, "Output plug-in", SWT.SAVE);
		
		schemaSelection.setFilterExtensions(new String[]{"*.xsd"});
		schemaSelection.setFilterNames(new String[]{"XML schema files"});
		
		configurationSelection.setFilterExtensions(new String[]{"*.xml"});
		configurationSelection.setFilterNames(new String[]{"XML files"});
		
		schemaSelection.addListener(this);
		pluginSelection.addListener(this);
		
		final Button pGraphButton = new Button(composite, SWT.CHECK);
		final Button importButton = new Button(composite, SWT.CHECK);
		final Button exportButton = new Button(composite, SWT.CHECK);
		pGraphButton.setText("Create Ontology / .pgraph file");
		importButton.setText("Create Importer");
		exportButton.setText("Create Exporter");
		pGraphButton.setSelection(createPGraph);
		importButton.setSelection(createImporter);
		exportButton.setSelection(createExporter);
		pGraphButton.addSelectionListener(new SelectionAdapter() {
			@Override
			public void widgetSelected(SelectionEvent e) {
				createPGraph = pGraphButton.getSelection();
			}
		});
		importButton.addSelectionListener(new SelectionAdapter() {
			@Override
			public void widgetSelected(SelectionEvent e) {
				createImporter = importButton.getSelection();
			}
		});
		exportButton.addSelectionListener(new SelectionAdapter() {
			@Override
			public void widgetSelected(SelectionEvent e) {
				createExporter = exportButton.getSelection();
			}
		});
		
		setControl(composite);
		setPageComplete(false);
	}
	
	@Override
	public void fileSelected(FileOrDirectorySelectionWidget source,	String[] filename) {
		setPageComplete(schemaSelection.getFilename() != null && pluginSelection.getFilename() != null);
		
	}
	
	public boolean isCreateExporter() {
		return createExporter;
	}
	
	public boolean isCreateImporter() {
		return createImporter;
	}
	
	public boolean isCreatePGraph() {
		return createPGraph;
	}
	
	public String getSchemaFilename() {
		if (schemaSelection.getFilename() == null ||schemaSelection.getFilename().length == 0)
			return null;
		return schemaSelection.getFilename()[0];
	}
	
	public String getConfigurationFilename() {
		if (configurationSelection.getFilename() == null || configurationSelection.getFilename().length == 0)
			return null;
		return configurationSelection.getFilename()[0];
	}
	
	public String getPluginFilename() {
		if (pluginSelection.getFilename() == null ||pluginSelection.getFilename().length == 0)
			return null;
		return pluginSelection.getFilename()[0];
	}

}