com.ibm.research.tours.dialogs.TimeDialog.java Source code

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Here is the source code for com.ibm.research.tours.dialogs.TimeDialog.java

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/*******************************************************************************
 * Copyright (c) 2006-2007 IBM Corporation and others.
 * 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
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     IBM Research
 *******************************************************************************/
package com.ibm.research.tours.dialogs;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
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.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Spinner;

import com.ibm.research.tours.ITimeLimit;
import com.ibm.research.tours.TimeLimit;

public class TimeDialog extends Dialog {
    private String fTitle;
    private String fMessage;
    private Button fTimeCheckButton;
    private ITimeLimit fTimeLimit;
    private boolean fIsTimeSet;
    private Spinner fMinuteSpinner;
    private Spinner fSecondSpinner;

    public TimeDialog(Shell parentShell, String title, String message) {
        super(parentShell);
        fTitle = title;
        fMessage = message;

    }

    public void init(ITimeLimit limit) {
        if (limit != null) {
            fTimeLimit = limit;
            fIsTimeSet = true;
        } else
            fTimeLimit = new TimeLimit();
    }

    public boolean isTimeLimitSet() {
        return fIsTimeSet;
    }

    public ITimeLimit getTimeLimit() {
        return fTimeLimit;
    }

    protected void configureShell(Shell shell) {
        super.configureShell(shell);
        if (fTitle != null) {
            shell.setText(fTitle);
        }
    }

    @Override
    protected Control createDialogArea(Composite parent) {
        // create a composite with standard margins and spacing
        Composite composite = new Composite(parent, SWT.NONE);
        GridLayout layout = new GridLayout();
        layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
        layout.marginWidth = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
        layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
        layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
        composite.setLayout(layout);
        composite.setLayoutData(new GridData(GridData.FILL_BOTH));
        applyDialogFont(composite);

        fTimeCheckButton = new Button(composite, SWT.CHECK);
        GridData data = new GridData(GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL
                | GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_CENTER);
        data.widthHint = convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH);
        fTimeCheckButton.setLayoutData(data);
        fTimeCheckButton.setText(fMessage);
        fTimeCheckButton.setSelection(fIsTimeSet);

        fTimeCheckButton.addSelectionListener(new SelectionListener() {
            public void widgetSelected(SelectionEvent e) {
                fIsTimeSet = fTimeCheckButton.getSelection();
                fMinuteSpinner.setEnabled(fIsTimeSet);
                fSecondSpinner.setEnabled(fIsTimeSet);
            }

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

        Group timeGroup = new Group(composite, SWT.SHADOW_ETCHED_IN);
        GridLayout groupLayout = new GridLayout(4, false);
        timeGroup.setLayout(groupLayout);
        GridData timeGroupData = new GridData(GridData.FILL_BOTH);
        timeGroupData.horizontalSpan = 2;
        timeGroup.setLayoutData(timeGroupData);
        timeGroup.setText("Time Limit");

        Label minuteLabel = new Label(timeGroup, SWT.NONE);
        minuteLabel.setText("Minutes");
        fMinuteSpinner = new Spinner(timeGroup, SWT.BORDER);

        if (fTimeLimit != null)
            fMinuteSpinner.setSelection(fTimeLimit.getMinutes());

        fMinuteSpinner.addModifyListener(new ModifyListener() {
            public void modifyText(ModifyEvent e) {
                if (fTimeLimit != null)
                    fTimeLimit.setMinutes(fMinuteSpinner.getSelection());
            }
        });

        Label secondLabel = new Label(timeGroup, SWT.NONE);
        secondLabel.setText("Seconds");
        fSecondSpinner = new Spinner(timeGroup, SWT.BORDER);
        fSecondSpinner.setMaximum(60);

        if (fTimeLimit != null)
            fSecondSpinner.setSelection(fTimeLimit.getSeconds());

        fSecondSpinner.addModifyListener(new ModifyListener() {
            public void modifyText(ModifyEvent e) {
                if (fTimeLimit != null)
                    fTimeLimit.setSeconds(fSecondSpinner.getSelection());
            }
        });

        fMinuteSpinner.setEnabled(fIsTimeSet);
        fSecondSpinner.setEnabled(fIsTimeSet);

        return parent;
    }
}