EDIT

/**

* Copyright (C) 2007 EDIT

* European Distributed Institute of Taxonomy

* http://www.e-taxonomy.eu

*

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.taxeditor.ui.element;

import java.io.IOException;

import java.net.URI;

import java.net.URL;

import org.eclipse.core.runtime.IStatus;

import org.eclipse.core.runtime.Status;

import org.eclipse.swt.SWT;

import org.eclipse.swt.events.SelectionAdapter;

import org.eclipse.swt.events.SelectionEvent;

import org.eclipse.swt.widgets.Button;

import org.eclipse.swt.widgets.Composite;

import eu.etaxonomy.cdm.common.UrlUtf8Coder;

import eu.etaxonomy.taxeditor.l10n.Messages;

import eu.etaxonomy.taxeditor.model.ImageResources;

import eu.etaxonomy.taxeditor.model.MessagingUtils;

import eu.etaxonomy.taxeditor.store.internal.TaxeditorStorePlugin;

import eu.etaxonomy.taxeditor.workbench.WorkbenchUtility;

/**

 * @author n.hoffmann

 * @created Dec 20, 2010

 * @version 1.0

 */

public class UriWithLabelElement extends AbstractUriWithExceptionLabelElement<URI> {

    private Button btnOpenBrowser;

    protected UriWithLabelElement(CdmFormFactory formFactory, ICdmFormElement parentElement, String labelString,

            URI initialObject, Integer textHeight, int style) {

        super(formFactory, parentElement, labelString, initialObject, textHeight, style);

	}

    /**

     * {@inheritDoc}

     */

    @Override

    protected void init(CdmFormFactory formFactory, String labelString, URI initialObject, Integer textHeight, int style) {

        //label

        initLabel(formFactory, labelString, false, getLayoutComposite());

        //composite(uri + button)

        Composite textAndButton = formFactory.createComposite(getLayoutComposite(), style);

        addControl(textAndButton);

        textAndButton.setLayout(LayoutConstants.LAYOUT(2, false));

        textAndButton.setLayoutData(LayoutConstants.FILL_HORIZONTALLY());

        //uri text

        initText(formFactory, null, textHeight, null, false, style, textAndButton);

        //button

        btnOpenBrowser = formFactory.createButton(textAndButton, "", SWT.NONE); //$NON-NLS-1$

        btnOpenBrowser.setImage(ImageResources.getImage(ImageResources.WEB));

        btnOpenBrowser.setToolTipText(Messages.UriWithLabelElement_OPEN_EXTERNAL_BROWSER);

        btnOpenBrowser.addSelectionListener(new SelectionAdapter() {

            @Override

            public void widgetSelected(SelectionEvent e) {

                String errorTitle = Messages.UriWithLabelElement_INVALID_URL;

                String errorText = Messages.UriWithLabelElement_COULD_NOT_OPEN_BROWSER;

                URI uri = parseText();

                if(uri!=null){

                    try {

                        WorkbenchUtility.openWebpage(uri.toURL());

                    } catch (IOException pie) {

                        MessagingUtils.informationDialog(errorTitle, new Status(IStatus.WARNING, TaxeditorStorePlugin.PLUGIN_ID, errorText, pie));

                    } catch (IllegalArgumentException iae) {

                        MessagingUtils.informationDialog(errorTitle, new Status(IStatus.WARNING, TaxeditorStorePlugin.PLUGIN_ID, errorText, iae));

                    }

                }

                else{

                    MessagingUtils.informationDialog(errorTitle, new Status(IStatus.WARNING, TaxeditorStorePlugin.PLUGIN_ID, errorText, null));

                }

            }

        });

        btnOpenBrowser.setLayoutData(LayoutConstants.RIGHT());

        initExceptionLabel(getLayoutComposite(), formFactory, initialObject);

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public void setParsedText(URI object) {

        if(object != null){

            super.setText(object.toString());

        }

    }

    /**

     * {@inheritDoc}

     */

    @Override

    protected URI getParsedText() throws Exception {

        String uriText = super.getText();

        if(uriText!=null){

            try{

                return new URI(super.getText());

            }catch(Exception e){

                URL url = new URL(uriText);

                String[] pathElements =  url.getPath().split("/");

                for (String element: pathElements){

                    String replacement = UrlUtf8Coder.encode(element);

                    uriText = uriText.replace(element, replacement);

                }

                if (url.getQuery() != null){

                    uriText = uriText.replace(url.getQuery(), UrlUtf8Coder.encode(url.getQuery()));

                }

                url = new URL(uriText);

                return url.toURI();

            }

        }

        return null;

    }

}