com.appnativa.studio.dialogs.SimpleHelpDialog.java Source code

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Here is the source code for com.appnativa.studio.dialogs.SimpleHelpDialog.java

Source

/*
 * @(#)SimpleHelpDialog.java
 * 
 * Copyright (c) appNativa. All rights reserved.
 *
 * Use is subject to license terms.
 */

package com.appnativa.studio.dialogs;

import com.appnativa.studio.Activator;
import com.appnativa.util.Streams;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

import java.io.InputStream;
import java.net.URL;

public class SimpleHelpDialog extends Dialog {
    private Text text;

    /**
     * Create the dialog.
     * @param parentShell
     */
    public SimpleHelpDialog(Shell parentShell) {
        super(parentShell);
    }

    public static void showHelp(Shell parentShell, String helpFile) {
        try {
            URL u = Activator.class.getResource(helpFile);
            InputStream in = u.openStream();
            String text = Streams.streamToString(in);
            SimpleHelpDialog d = new SimpleHelpDialog(parentShell);

            d.text.setText(text);
            d.open();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
     * Create contents of the button bar.
     * @param parent
     */
    @Override
    protected void createButtonsForButtonBar(Composite parent) {
        createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true);
    }

    /**
     * Create contents of the dialog.
     * @param parent
     */
    @Override
    protected Control createDialogArea(Composite parent) {
        Composite container = (Composite) super.createDialogArea(parent);

        container.setLayout(new FillLayout(SWT.HORIZONTAL));
        text = new Text(container, SWT.READ_ONLY | SWT.WRAP | SWT.V_SCROLL);

        return container;
    }

    /**
     * Return the initial size of the dialog.
     */
    @Override
    protected Point getInitialSize() {
        return new Point(450, 300);
    }
}