SampleInstallWizardPageUI.java

package com.farata.cleardatabuilder.extjs.facet.sample.ui;

import java.io.File;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.graphics.Point;
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.DirectoryDialog;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

import com.farata.cleardatabuilder.extjs.facet.sample.SampleInstallWizardPage;

public class SampleInstallWizardPageUI {

	private Composite parent = null; // @jve:decl-index=0:visual-constraint="46,23"
	private Label dbLabel = null; // @jve:decl-index=0:
	private Text sampleDBInstallFolder = null;
	private Button button = null;
	private SampleInstallWizardPage installWizardPage;
	private Label sampleChoiceLabel;
	private Combo sampleCombo;

	/**
	 * This method initializes parent
	 * 
	 */
	public void createParent() {
		GridData gridData = new GridData();
		gridData.horizontalAlignment = GridData.FILL;
		gridData.grabExcessHorizontalSpace = true;
		gridData.grabExcessVerticalSpace = false;
		gridData.verticalAlignment = GridData.CENTER;
		GridLayout gridLayout = new GridLayout();
		gridLayout.numColumns = 3;
		gridLayout.makeColumnsEqualWidth = false;
		if (parent == null) {
			parent = new Shell();
			parent.setSize(new Point(463, 288));
		}
		parent.setLayout(gridLayout);
		sampleChoiceLabel = new Label(parent, SWT.NONE);
		sampleChoiceLabel.setText("Example Type:");
		sampleCombo = new Combo(parent, SWT.NONE);
		sampleCombo.add("Hibernate persistence");
		sampleCombo.add("MyBatis persistence");
		sampleCombo.add("Manual persistence");
		sampleCombo.select(0);
		sampleCombo.addSelectionListener(new SelectionListener() {

			@Override
			public void widgetSelected(SelectionEvent selectionevent) {
				boolean hbn = sampleCombo.getSelectionIndex() == 0;
				boolean mybts = sampleCombo.getSelectionIndex() == 1;
				boolean plnjava = sampleCombo.getSelectionIndex() == 2;
				dbLabel.setEnabled(!plnjava);
				sampleDBInstallFolder.setEnabled(!plnjava);
				button.setEnabled(!plnjava);
				installWizardPage.getConfig().setHibernateSample(hbn);
				installWizardPage.getConfig().setPlainJavaSample(plnjava);
				installWizardPage.getConfig().setMybatisSample(mybts);
				installWizardPage.setPageComplete(plnjava
						|| installWizardPage
								.validateInstallationFolder(new File(
										sampleDBInstallFolder.getText())));
			}

			@Override
			public void widgetDefaultSelected(SelectionEvent selectionevent) {
			}
		});

		new Label(parent, SWT.NONE);

		dbLabel = new Label(parent, SWT.NONE);
		dbLabel.setText("Folder to install sample database:");
		sampleDBInstallFolder = new Text(parent, SWT.BORDER);
		sampleDBInstallFolder.setLayoutData(gridData);

		sampleDBInstallFolder.addModifyListener(new ModifyListener() {
			public void modifyText(ModifyEvent e) {
				validateDBInstallationFolder();
			}
		});

		button = new Button(parent, SWT.NONE);
		button.setText("Browse...");
		button.addSelectionListener(new org.eclipse.swt.events.SelectionAdapter() {
			public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) {
				DirectoryDialog dialog = new DirectoryDialog(parent.getShell());
				if (!"".equals(sampleDBInstallFolder.getText())) {
					String initialDir = sampleDBInstallFolder.getText();
					dialog.setFilterPath(initialDir);
				}
				String result = dialog.open();
				if (result != null) {
					sampleDBInstallFolder.setText(result.toString());
				}
			}
		});
		
		String home = System.getProperty("user.home");
		String os = System.getProperty("os.name").toLowerCase();
		String defaultDBFolder="";
		if (os.indexOf("win") >= 0) {
			defaultDBFolder = home + "\\Application Data\\ClearDataBuilder";
		} else if (os.indexOf("mac") >= 0) {			
			defaultDBFolder = home + "/Library/Application Support/ClearDataBuilder";
		};
		sampleDBInstallFolder.setText(defaultDBFolder);
	}

	public SampleInstallWizardPageUI(
			SampleInstallWizardPage sampleInstallWizardPage, Composite parent) {
		this.parent = parent;
		this.installWizardPage = sampleInstallWizardPage;
	}
	
	private void validateDBInstallationFolder() {
		boolean valid = installWizardPage
				.validateInstallationFolder(new File(
						sampleDBInstallFolder.getText()));
		installWizardPage.setPageComplete(valid);
		if (valid) {
			installWizardPage.setErrorMessage(null);
			installWizardPage.getConfig().setSampleDBInstallFolder(
					new File(sampleDBInstallFolder.getText()));
		} else {
			installWizardPage
					.setErrorMessage("Installation folder is not valid.");
		}
	}
}