TGCommunityAuthDialog.java

package org.herac.tuxguitar.community.auth;

import org.apache.log4j.Logger;
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.Event;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Link;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.herac.tuxguitar.community.TGCommunitySingleton;
import org.herac.tuxguitar.community.utils.TGCommunityWeb;
import org.herac.tuxguitar.gui.TuxGuitar;
import org.herac.tuxguitar.gui.util.DialogUtils;
import org.herac.tuxguitar.util.TGSynchronizer;

public class TGCommunityAuthDialog {

  private boolean accepted;
  private TGCommunityAuth auth;

  public TGCommunityAuthDialog() {
    this.auth = TGCommunitySingleton.getInstance().getAuth();
    this.accepted = false;
  }

  protected void doOpen(Shell shell) {
    this.accepted = false;

    final Shell dialog = DialogUtils.newDialog(shell, SWT.DIALOG_TRIM
        | SWT.APPLICATION_MODAL);

    dialog.setLayout(new GridLayout());
    dialog.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
    dialog.setImage(TuxGuitar.instance().getIconManager().getAppIcon());
    dialog.setText(TuxGuitar
        .getProperty("tuxguitar-community.auth-dialog.title"));

    Group group = new Group(dialog, SWT.SHADOW_ETCHED_IN);
    group.setLayout(makeGroupLayout(2, 5));
    group.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
    group.setText(TuxGuitar
        .getProperty("tuxguitar-community.auth-dialog.signin"));

    // -------USERNAME------------------------------------
    Label usernameLabel = new Label(group, SWT.NULL);
    usernameLabel.setLayoutData(makeLabelData());
    usernameLabel.setText(TuxGuitar
        .getProperty("tuxguitar-community.auth-dialog.signin.username")
        + ":");

    final Text usernameText = new Text(group, SWT.BORDER);
    usernameText.setLayoutData(makeTextData());
    usernameText.setText(this.auth.getUsername());

    // -------PASSWORD------------------------------------
    Label passwordLabel = new Label(group, SWT.NULL);
    passwordLabel.setLayoutData(makeLabelData());
    passwordLabel.setText(TuxGuitar
        .getProperty("tuxguitar-community.auth-dialog.signin.password")
        + ":");

    final Text passwordText = new Text(group, SWT.BORDER | SWT.PASSWORD);
    passwordText.setLayoutData(makeTextData());
    passwordText.setText(this.auth.getPassword());

    // -------JOIN------------------------------------
    Group join = new Group(dialog, SWT.SHADOW_ETCHED_IN);
    join.setLayout(makeGroupLayout(1, 5));
    // join.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
    join.setLayoutData(new GridData(
        group.computeSize(SWT.DEFAULT, SWT.DEFAULT).x, SWT.DEFAULT));
    join.setText(TuxGuitar
        .getProperty("tuxguitar-community.auth-dialog.signup"));

    final Link joinLink = new Link(join, SWT.LEFT);
    joinLink.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, true, true));
    joinLink.setText(TuxGuitar
        .getProperty("tuxguitar-community.auth-dialog.signup.tip"));
    joinLink.addListener(SWT.Selection, new Listener() {
      public void handleEvent(Event event) {
        final String href = event.text;
        if (href != null) {
          new Thread(new Runnable() {
            public void run() {
              TGCommunityWeb.open(href);
            }
          }).start();
        }
      }
    });

    // ------------------BUTTONS--------------------------
    Composite buttons = new Composite(dialog, SWT.NONE);
    buttons.setLayout(new GridLayout(2, false));
    buttons.setLayoutData(new GridData(SWT.RIGHT, SWT.FILL, true, true));

    final Button buttonOK = new Button(buttons, SWT.PUSH);
    buttonOK.setText(TuxGuitar.getProperty("ok"));
    buttonOK.setLayoutData(getButtonData());
    buttonOK.addSelectionListener(new SelectionAdapter() {
      public void widgetSelected(SelectionEvent arg0) {
        update(usernameText.getText(), passwordText.getText());

        dialog.dispose();
      }
    });

    Button buttonCancel = new Button(buttons, SWT.PUSH);
    buttonCancel.setText(TuxGuitar.getProperty("cancel"));
    buttonCancel.setLayoutData(getButtonData());
    buttonCancel.addSelectionListener(new SelectionAdapter() {
      public void widgetSelected(SelectionEvent arg0) {
        dialog.dispose();
      }
    });

    dialog.setDefaultButton(buttonOK);

    DialogUtils.openDialog(dialog, DialogUtils.OPEN_STYLE_CENTER
        | DialogUtils.OPEN_STYLE_PACK | DialogUtils.OPEN_STYLE_WAIT);
  }

  private GridData getButtonData() {
    GridData data = new GridData(SWT.FILL, SWT.FILL, true, true);
    data.minimumWidth = 80;
    data.minimumHeight = 25;
    return data;
  }

  public boolean isAccepted() {
    return this.accepted;
  }

  private GridLayout makeGroupLayout(int columns, int spacing) {
    GridLayout layout = new GridLayout(columns, false);
    layout.marginTop = spacing;
    layout.marginBottom = spacing;
    layout.marginLeft = spacing;
    layout.marginRight = spacing;
    layout.verticalSpacing = spacing;
    layout.horizontalSpacing = spacing;
    return layout;
  }

  private GridData makeLabelData() {
    return new GridData(SWT.RIGHT, SWT.CENTER, false, true);
  }

  private GridData makeTextData() {
    GridData data = new GridData(SWT.FILL, SWT.FILL, true, true);
    data.minimumWidth = 250;
    return data;
  }

  public void open() {
    this.open(TuxGuitar.instance().getShell());
  }

  public void open(final Shell shell) {
    try {
      if (shell != null && !shell.isDisposed()) {
        TGSynchronizer.instance().addRunnable(new TGSynchronizer.TGRunnable() {
          public void run() throws Throwable {
            if (!shell.isDisposed()) {
              doOpen(shell);
            }
          }
        });
      }
    } catch (Throwable throwable) {
      LOG.error(throwable);
    }
  }

  /** The Logger for this class. */
  public static final transient Logger LOG = Logger.getLogger(TGCommunityAuthDialog.class);

  protected void update(String username, String password) {
    this.auth.setUsername(username);
    this.auth.setPassword(password);
    this.accepted = true;
  }
}