org.jlibrary.client.ui.web.dialogs.CrawlSelectionDialog.java Source code

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Here is the source code for org.jlibrary.client.ui.web.dialogs.CrawlSelectionDialog.java

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/*
* jLibrary, Open Source Document Management System
* 
* Copyright (c) 2003-2006, Martn Prez Marin, Blandware (represented by
* Andrey Grebnev), and individual contributors as indicated by the
* @authors tag. See copyright.txt in the distribution for a full listing of
* individual contributors. All rights reserved.
* 
* This is free software; you can redistribute it and/or modify it
* under the terms of the Modified BSD License as published by the Free 
* Software Foundation.
* 
* This software 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 Modified
* BSD License for more details.
* 
* You should have received a copy of the Modified BSD License along with 
* this software; if not, write to the Free Software Foundation, Inc., 
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA, or see the
* FSF site: http://www.fsf.org.
*/
package org.jlibrary.client.ui.web.dialogs;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.viewers.CheckboxTableViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
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.Shell;
import org.eclipse.ui.IWorkbenchWindow;
import org.jlibrary.client.Messages;
import org.jlibrary.client.SharedImages;
import org.jlibrary.client.ui.web.providers.CrawlContentProvider;
import org.jlibrary.client.ui.web.providers.CrawlLabelProvider;

/**
 * @author martin
 *
 * A dialog used to check what resources the user wants do download
 */
public class CrawlSelectionDialog extends Dialog {

    private CheckboxTableViewer viewer;

    private Object[] elements;
    private String[] files;
    private Button changeButton;

    /**
     * Constructor
     * 
     * @param window Parent window
     * @param files Files to select
     */
    public CrawlSelectionDialog(IWorkbenchWindow window, String[] files) {

        super(window.getShell());
        this.files = files;
    }

    /**
     * @see org.eclipse.jface.dialogs.Dialog#configureShell(org.eclipse.swt.widgets.Shell)
     */
    protected void configureShell(Shell shell) {

        super.configureShell(shell);

        shell.setText(Messages.getMessage("crawl_selection_dialog_title"));
        shell.setImage(SharedImages.getImage(SharedImages.IMAGE_CRAWL_MULTIPLE));
    }

    /**
     * @see org.eclipse.jface.dialogs.Dialog#createButtonsForButtonBar(org.eclipse.swt.widgets.Composite)
     */
    protected void createButtonsForButtonBar(Composite parent) {

        createButton(parent, IDialogConstants.OK_ID, Messages.getMessage("accept_option"), true);
        createButton(parent, IDialogConstants.CANCEL_ID, Messages.getMessage("cancel_option"), false);
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.dialogs.Dialog#okPressed()
     */
    protected void okPressed() {

        elements = viewer.getCheckedElements();

        super.okPressed();
    }

    /**
     * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)
     */
    protected Control createDialogArea(final Composite parent) {

        Composite outer = (Composite) super.createDialogArea(parent);

        GridLayout gridLayout = new GridLayout();
        gridLayout.numColumns = 3;
        gridLayout.marginHeight = 10;
        gridLayout.marginWidth = 10;
        gridLayout.horizontalSpacing = 20;
        gridLayout.verticalSpacing = 10;

        outer.setLayout(gridLayout);

        GridData data = new GridData();
        data.horizontalSpan = 3;
        data.horizontalAlignment = GridData.FILL;

        changeButton = new Button(outer, SWT.CHECK);
        changeButton.setText(Messages.getMessage("crawl_selection_dialog_check"));
        changeButton.setLayoutData(data);
        changeButton.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {

                if (changeButton.getSelection()) {
                    viewer.setAllChecked(true);
                } else {
                    viewer.setAllChecked(false);
                }
            }
        });

        data = new GridData();
        data.horizontalAlignment = GridData.FILL;
        data.widthHint = 250;
        data.heightHint = 200;

        viewer = CheckboxTableViewer.newCheckList(outer, SWT.BORDER);
        viewer.getTable().setLayoutData(new GridData(GridData.FILL_BOTH));
        viewer.setContentProvider(new CrawlContentProvider());
        viewer.setLabelProvider(new CrawlLabelProvider());
        viewer.getControl().setLayoutData(data);

        viewer.setInput(files);

        return outer;
    }

    public Object[] getCheckedElements() {

        return elements;
    }
}