com.aptana.deploy.capistrano.ui.wizard.CapifyProjectPage.java Source code

Introduction

Here is the source code for com.aptana.deploy.capistrano.ui.wizard.CapifyProjectPage.java

Source

/**
 * Aptana Studio
 * Copyright (c) 2005-2011 by Appcelerator, Inc. All Rights Reserved.
 * Licensed under the terms of the GNU Public License (GPL) v3 (with exceptions).
 * Please see the license.html included with this distribution for details.
 * Any modifications to this file must keep this entire header intact.
 */
package com.aptana.deploy.capistrano.ui.wizard;

import java.net.URL;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.wizard.IWizardPage;
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.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.Link;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.browser.IWebBrowser;
import org.eclipse.ui.browser.IWorkbenchBrowserSupport;

import com.aptana.core.logging.IdeLog;
import com.aptana.deploy.capistrano.CapistranoPlugin;
import com.aptana.terminal.widget.TerminalComposite;

public class CapifyProjectPage extends WizardPage {

    public static final String NAME = "CapifyProject"; //$NON-NLS-1$
    private TerminalComposite terminalComposite;
    protected Job checkCapifiedJob;

    protected CapifyProjectPage() {
        super(NAME, Messages.CapifyProjectPage_Title, null);
    }

    public void createControl(Composite parent) {
        Composite composite = new Composite(parent, SWT.NULL);
        composite.setLayout(new GridLayout());
        composite.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_FILL | GridData.HORIZONTAL_ALIGN_FILL));
        setControl(composite);

        initializeDialogUnits(parent);

        // TODO What if file already exists? Do we disable the button? do we even show this page?

        // Actual contents
        Label label = new Label(composite, SWT.WRAP);
        label.setText(Messages.CapifyProjectPage_Description);
        label.setLayoutData(new GridData(500, SWT.DEFAULT));

        Button generateButton = new Button(composite, SWT.PUSH);
        generateButton.setText(Messages.CapifyProjectPage_GenerateButtonLabel);
        generateButton.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, false, false));
        generateButton.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
                if (!terminalComposite.isEmpty()) {
                    terminalComposite.clear();
                }
                // Send "capify" command to terminal
                terminalComposite.sendInput("capify .\n"); //$NON-NLS-1$

                // Poll to check if capistrano is installed
                if (checkCapifiedJob == null) {
                    checkCapifiedJob = new Job("Checking if config/deploy.rb exists") //$NON-NLS-1$
                    {
                        protected IStatus run(IProgressMonitor monitor) {
                            if (monitor != null && monitor.isCanceled()) {
                                return Status.CANCEL_STATUS;
                            }
                            if (isPageComplete()) {
                                PlatformUI.getWorkbench().getDisplay().asyncExec(new Runnable() {

                                    public void run() {
                                        getContainer().updateButtons(); // ok update the wizard TODO Just finish for
                                        // them?
                                    }
                                });
                            } else {
                                schedule(1000); // check again in a second
                            }
                            return Status.OK_STATUS;
                        }
                    };
                    checkCapifiedJob.setSystem(true);
                }
                checkCapifiedJob.cancel();
                checkCapifiedJob.schedule(1000);
            }
        });

        // Terminal
        terminalComposite = new TerminalComposite(composite, SWT.NONE);
        terminalComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

        // TODO Can we prevent user input to this terminal?
        terminalComposite.setWorkingDirectory(getProject().getLocation());
        terminalComposite.connect();

        // label/link
        Link link = new Link(composite, SWT.NONE);
        link.setText(Messages.CapifyProjectPage_LinkText);
        link.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
                // Open browser window inside studio to url without closing wizard!
                IWorkbenchBrowserSupport support = PlatformUI.getWorkbench().getBrowserSupport();
                try {
                    IWebBrowser browser = support.createBrowser(IWorkbenchBrowserSupport.AS_EDITOR, "capify", null, //$NON-NLS-1$
                            null);
                    browser.openURL(new URL(e.text));
                } catch (Exception e1) {
                    IdeLog.logError(CapistranoPlugin.getDefault(), e1);
                }
            }
        });

        Dialog.applyDialogFont(composite);
    }

    @Override
    public IWizardPage getNextPage() {
        // The end of the line
        return null;
    }

    @Override
    public boolean isPageComplete() {
        // Check if the config/deploy.rb file exists!
        IProject project = getProject();
        IFile deployFile = project.getFile(new Path("config").append("deploy.rb")); //$NON-NLS-1$ //$NON-NLS-2$
        return deployFile != null && deployFile.exists();
    }

    protected IProject getProject() {
        return ((CapistranoDeployWizard) getWizard()).getProject();
    }

    @Override
    public void dispose() {
        try {
            if (checkCapifiedJob != null) {
                checkCapifiedJob.cancel();
                checkCapifiedJob = null;
            }
        } finally {
            super.dispose();
        }
    }
}