org.deved.antlride.viz.railroad.RailRoadExportDialog.java Source code

Introduction

Here is the source code for org.deved.antlride.viz.railroad.RailRoadExportDialog.java

Source

/*******************************************************************************
 * Copyright (c) 2007, 2008 Edgar Espina.
 * 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
 *
 *******************************************************************************/
package org.deved.antlride.viz.railroad;

import java.io.File;

import org.deved.antlride.railroad.RailRoadExportOptions;
import org.deved.antlride.ui.AntlrUIHelper;
import org.deved.antlride.ui.dialogs.AntlrBaseDialog;
import org.eclipse.core.runtime.Path;
import org.eclipse.jface.dialogs.IMessageProvider;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.graphics.Point;
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.Control;
import org.eclipse.swt.widgets.DirectoryDialog;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.forms.widgets.ScrolledForm;

public class RailRoadExportDialog extends AntlrBaseDialog implements RailRoadExportOptions {

    private static final String TITLE = "Railroad Exporter";

    private boolean includeDoc = true;

    private boolean includeText = true;

    private File outputDirectory;

    private boolean optimizedGraph = true;

    public RailRoadExportDialog(Shell shell) {
        super(shell);
    }

    @Override
    protected void okPressed() {
        if (outputDirectory == null) {
            setMessage("Please select the output directory", IMessageProvider.ERROR);
        } else {
            super.okPressed();
        }
    }

    @Override
    protected void setTitle() {
        setTitle(TITLE);
        setMessage("Export an ANTLR grammar as HTML page", IMessageProvider.INFORMATION);
        getShell().setText(TITLE);
    }

    @Override
    protected Point getDefaultSize() {
        return new Point(500, 400);
    }

    @Override
    protected Control createDialogArea(Composite parent) {
        Composite composite = new Composite(parent, SWT.NONE);
        GridLayout layout = new GridLayout(3, false);
        layout.marginTop = 20;
        layout.verticalSpacing = 20;
        layout.marginBottom = 10;
        layout.marginLeft = 10;
        layout.marginRight = 10;

        composite.setLayout(layout);

        Label label = new Label(composite, SWT.NONE);
        label.setText("To directory:");
        final Text text = new Text(composite, SWT.READ_ONLY | SWT.BORDER);
        GridData gd = new GridData(GridData.FILL_HORIZONTAL);
        gd.minimumWidth = 280;
        text.setLayoutData(gd);

        Button button = new Button(composite, SWT.PUSH);
        button.setLayoutData(new GridData());
        button.forceFocus();
        button.setText("   Browse...   ");
        button.addSelectionListener(new SelectionListener() {

            public void widgetSelected(SelectionEvent e) {
                DirectoryDialog dialog = new DirectoryDialog(getShell(), SWT.SAVE);
                String path = dialog.open();
                if (path != null) {
                    outputDirectory = Path.fromOSString(path).toFile();
                    text.setText(path);
                }
            }

            public void widgetDefaultSelected(SelectionEvent e) {

            }
        });

        ScrolledForm form = AntlrUIHelper.createScrolledForm(composite);
        gd = new GridData();
        gd.horizontalSpan = 3;
        form.setLayoutData(gd);

        Composite section = AntlrUIHelper.createExpandableSection(form, "Options", true);
        button = new Button(section, SWT.CHECK);
        gd = new GridData();
        gd.horizontalSpan = 3;
        button.setLayoutData(gd);

        button.setText("Optimize diagram");
        button.setSelection(true);
        button.addSelectionListener(new SelectionListener() {

            public void widgetSelected(SelectionEvent e) {
                optimizedGraph = !optimizedGraph;
            }

            public void widgetDefaultSelected(SelectionEvent e) {
            }
        });

        button = new Button(section, SWT.CHECK);
        gd = new GridData();
        gd.horizontalSpan = 3;
        button.setLayoutData(gd);
        button.setText("Add textual definition to each rule");
        button.setSelection(true);
        button.addSelectionListener(new SelectionListener() {

            public void widgetSelected(SelectionEvent e) {
                includeText = !includeText;
            }

            public void widgetDefaultSelected(SelectionEvent e) {
            }
        });

        button = new Button(section, SWT.CHECK);
        gd = new GridData();
        gd.horizontalSpan = 3;
        button.setLayoutData(gd);
        button.setText("Add documentation to each rule");
        button.setSelection(true);
        button.addSelectionListener(new SelectionListener() {

            public void widgetSelected(SelectionEvent e) {
                includeDoc = !includeDoc;
            }

            public void widgetDefaultSelected(SelectionEvent e) {
            }
        });

        return super.createDialogArea(parent);
    }

    public boolean includeDocumentation() {
        return includeDoc;
    }

    public boolean includeTextualDefinition() {
        return includeText;
    }

    public File outputDirectory() {
        return outputDirectory;
    }

    public boolean optimized() {
        return optimizedGraph;
    }

    @Override
    protected String getDialogName() {
        return getClass().getSimpleName();
    }
}