at.medevit.elexis.weblinks.preferences.WebLinkPreferencePage.java Source code

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Here is the source code for at.medevit.elexis.weblinks.preferences.WebLinkPreferencePage.java

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/*******************************************************************************
 * Copyright (c) 2013 MEDEVIT.
 * 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:
 *     T. Huster - initial API and implementation
 ******************************************************************************/
package at.medevit.elexis.weblinks.preferences;

import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;

import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.swt.SWT;
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.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;

import at.medevit.elexis.weblinks.model.WebLinkElement;
import at.medevit.elexis.weblinks.model.WebLinkElementUtil;

public class WebLinkPreferencePage extends PreferencePage implements IWorkbenchPreferencePage {

    private List<WebLinkElement> elements;

    private List<WebLinkEditor> editors = new ArrayList<WebLinkEditor>();

    private Composite editorsComposite;
    private Composite prefAreaComposite;

    @Override
    public void init(IWorkbench workbench) {
        elements = WebLinkElementUtil.loadElements();
    }

    @Override
    protected Control createContents(Composite parent) {
        prefAreaComposite = new Composite(parent, SWT.NONE);
        prefAreaComposite.setLayout(new GridLayout());

        Button addBtn = new Button(prefAreaComposite, SWT.PUSH);
        addBtn.setText(Messages.WebLinkPreferencePage_0);
        addBtn.addSelectionListener(new SelectionListener() {

            @Override
            public void widgetSelected(SelectionEvent e) {
                elements.add(new WebLinkElement(Long.toString(Calendar.getInstance().getTimeInMillis())));
                refreshEditors();
            }

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

        editorsComposite = new Composite(prefAreaComposite, SWT.NONE);
        editorsComposite.setLayout(new GridLayout());
        editorsComposite.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));

        refreshEditors();

        return prefAreaComposite;
    }

    public void refreshEditors() {
        // remove old editors
        for (WebLinkEditor editor : editors) {
            editor.dispose();
        }
        // create new editors
        for (WebLinkElement element : elements) {
            WebLinkEditor editor = new WebLinkEditor(element, this, editorsComposite, SWT.NONE);
            editor.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
            editors.add(editor);
        }

        prefAreaComposite.layout(true, true);
    }

    @Override
    public boolean performOk() {
        WebLinkElementUtil.saveElements(elements);
        return true;
    }

    public List<WebLinkElement> getElements() {
        return elements;
    }
}