com.bdaum.zoom.net.communities.ui.AuthDialog.java Source code

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Here is the source code for com.bdaum.zoom.net.communities.ui.AuthDialog.java

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/*
 * This file is part of the ZoRa project: http://www.photozora.org.
 *
 * ZoRa is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * ZoRa is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with ZoRa; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * (c) 2009-2015 Berthold Daum  
 */
package com.bdaum.zoom.net.communities.ui;

import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.SWT;
import org.eclipse.swt.browser.Browser;
import org.eclipse.swt.browser.LocationEvent;
import org.eclipse.swt.browser.LocationListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.PlatformUI;

import com.bdaum.zoom.ui.dialogs.ZTitleAreaDialog;

public class AuthDialog extends ZTitleAreaDialog {

    private static final String AUTHORIZE = "authorize."; //$NON-NLS-1$
    private static final int RELOAD = 9999;
    private Browser browser;
    private final String authLink;
    private final String message;
    private final int width;
    private final int height;
    private final boolean respond;
    private Text codeField;
    private String code = ""; //$NON-NLS-1$
    private Label codeLabel;

    public static String show(String authLink, String authmessage, int w, int h, boolean respond) {
        IWorkbench workbench = PlatformUI.getWorkbench();
        final Shell shell = workbench.getWorkbenchWindows()[0].getShell();
        final AuthDialog dialog = new AuthDialog(shell, authLink, authmessage, w, h, respond);
        shell.getDisplay().syncExec(() -> dialog.open());
        if (dialog.getReturnCode() == Window.OK)
            return dialog.getResult();
        return null;
    }

    public AuthDialog(Shell parentShell, String authLink, String message, int width, int height, boolean respond) {
        super(parentShell);
        this.authLink = authLink;
        this.message = message;
        this.width = width;
        this.height = height;
        this.respond = respond;
    }

    @Override
    public void create() {
        super.create();
        setMessage(message);
    }

    @Override
    protected Control createDialogArea(Composite parent) {
        Composite area = (Composite) super.createDialogArea(parent);
        Composite composite = new Composite(area, SWT.NONE);
        composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
        composite.setLayout(new GridLayout(2, false));
        browser = new Browser(composite, SWT.NONE);
        GridData layoutData = new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1);
        layoutData.widthHint = width;
        layoutData.heightHint = height;
        browser.setLayoutData(layoutData);
        if (respond) {
            codeLabel = new Label(composite, SWT.NONE);
            codeLabel.setFont(JFaceResources.getHeaderFont());
            codeLabel.setText(Messages.AuthDialog_enter_code_here);
            codeField = new Text(composite, SWT.SINGLE | SWT.LEAD | SWT.BORDER);
            codeField.setFont(JFaceResources.getHeaderFont());
            codeField.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
            codeLabel.setVisible(false);
            codeField.setVisible(false);
            browser.addLocationListener(new LocationListener() {
                public void changing(LocationEvent event) {
                    // do nothing
                }

                public void changed(LocationEvent event) {
                    if (event.location.indexOf(AUTHORIZE) > 0) {
                        codeLabel.setVisible(true);
                        codeField.setVisible(true);
                    }
                }
            });
        }
        browser.setUrl(authLink);
        return area;
    }

    @Override
    protected void createButtonsForButtonBar(Composite parent) {
        createButton(parent, RELOAD, Messages.AuthDialog_reload, false);
        super.createButtonsForButtonBar(parent);
    }

    @Override
    protected void buttonPressed(int buttonId) {
        if (buttonId == RELOAD)
            browser.refresh();
        else
            super.buttonPressed(buttonId);
    }

    @Override
    protected void okPressed() {
        if (codeField != null)
            code = codeField.getText().trim();
        super.okPressed();
    }

    public String getResult() {
        return code;
    }

}