de.snertlab.xdccBee.tools.AbstractSaveDialog.java Source code

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Here is the source code for de.snertlab.xdccBee.tools.AbstractSaveDialog.java

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/*
 * Project: xdccBee
 * Copyright (C) 2009 snert@snert-lab.de,
 *
 *  This program 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 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package de.snertlab.xdccBee.tools;

import org.apache.commons.lang.StringUtils;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.SWT;
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.Shell;

/**
 * @author snert
 * 
 */
public abstract class AbstractSaveDialog extends Dialog {

    public AbstractSaveDialog(Shell parentShell, boolean resizable) {
        super(parentShell);
        if (resizable) {
            setShellStyle(SWT.CLOSE | SWT.TITLE | SWT.BORDER | SWT.APPLICATION_MODAL | SWT.RESIZE);
        }
    }

    public AbstractSaveDialog(Shell parentShell) {
        this(parentShell, false);
    }

    @Override
    protected void createButtonsForButtonBar(Composite parent) {
        createButton(parent, IDialogConstants.OK_ID, "Speichern", false);
        createButton(parent, IDialogConstants.CANCEL_ID, "Abbrechen", true);
    }

    @Override
    protected void configureShell(Shell newShell) {
        super.configureShell(newShell);
        myConfigureShell(newShell);
    }

    protected abstract void myConfigureShell(Shell newShell);

    protected void buttonPressed(int buttonId) {
        if (buttonId == IDialogConstants.OK_ID) {
            String msg = checkFields();
            if (StringUtils.isEmpty(msg)) {
                writeFields();
                super.buttonPressed(buttonId);
            } else {
                MessageDialog.openWarning(getShell(), "Fehler", msg);
            }
        } else {
            super.buttonPressed(buttonId);
        }
    }

    protected abstract String checkFields();

    protected abstract void writeFields();

    @Override
    protected Control createDialogArea(Composite parent) {
        Composite composite = new Composite(parent, SWT.NONE);
        GridLayout layout = new GridLayout();
        composite.setLayout(layout);
        composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
        makeComponents(composite);
        initFields();
        composite.pack();
        return composite;
    }

    protected abstract void makeComponents(Composite parent);

    protected abstract void initFields();

}