com.inavare.maven.platform.WizardPageExtension.java Source code

Introduction

Here is the source code for com.inavare.maven.platform.WizardPageExtension.java

Source

/*******************************************************************************
 * Copyright (c) 2009 TH4 SYSTEMS GmbH and others
 * 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
 *
 * Contributors:
 *    Jens Reimann (TH4 SYSTEMS GmbH) - initial API and implementation
 *******************************************************************************/

package com.inavare.maven.platform;

import java.io.File;

import org.eclipse.jface.dialogs.IMessageProvider;
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.DirectoryDialog;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;

public final class WizardPageExtension extends WizardPage {
    private Text directoryText;

    WizardPageExtension(final String pageName) {
        super(pageName);
        setTitle("Test Page");
        setDescription("Test Description");
        setPageComplete(true);
    }

    public void createControl(final Composite parent) {
        Composite client = new Composite(parent, SWT.NONE);

        client.setLayout(new GridLayout(3, false));

        Label label = new Label(client, SWT.NONE);
        label.setText("Maven Repository Path");
        label.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, false, false));

        this.directoryText = new Text(client, SWT.BORDER);
        this.directoryText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
        this.directoryText.addModifyListener(new ModifyListener() {

            public void modifyText(final ModifyEvent e) {
                update();
            }
        });
        this.directoryText.setText(getInitialPath());

        Button button = new Button(client, SWT.PUSH);
        button.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, false, false));
        button.setText("Browse...");
        button.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(final SelectionEvent e) {
                WizardPageExtension.this.handleBrowse();
            }
        });

        setControl(client);
        update();
    }

    private String getInitialPath() {
        File file = new File(System.getProperty("user.home", "/"));
        file = new File(file, ".m2");
        file = new File(file, "repository");
        return file.getAbsolutePath();
    }

    public File getFile() {
        return new File(this.directoryText.getText());
    }

    protected void update() {
        String dir = this.directoryText.getText();
        File file = new File(dir);

        setMessage(null);
        setPageComplete(false);

        if (!file.exists()) {
            setMessage(String.format("Directory '%s' does not exists", file.getAbsolutePath()),
                    IMessageProvider.ERROR);
            return;
        }
        if (!file.isDirectory()) {
            setMessage(String.format("Path '%s' is not a directory", file.getAbsolutePath()),
                    IMessageProvider.ERROR);
            return;
        }
        if (!file.canRead()) {
            setMessage(String.format("Directory '%s' is not readable", file.getAbsolutePath()),
                    IMessageProvider.WARNING);
        }
        if (!file.isAbsolute()) {
            setMessage(String.format("Path to '%s' is not absolute", file.getAbsolutePath()),
                    IMessageProvider.WARNING);
        }

        setPageComplete(true);
    }

    protected void handleBrowse() {
        DirectoryDialog dlg = new DirectoryDialog(this.getShell(), SWT.PRIMARY_MODAL);
        dlg.setFilterPath(this.directoryText.getText());
        String dir = dlg.open();
        if (dir != null) {
            this.directoryText.setText(dir);
        }
    }
}