EDIT

/**

* Copyright (C) 2018 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.URL;

import org.eclipse.core.runtime.IStatus;

import org.eclipse.core.runtime.Status;

import org.eclipse.jface.resource.JFaceResources;

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 org.eclipse.swt.widgets.Display;

import org.eclipse.ui.forms.widgets.TableWrapLayout;

import eu.etaxonomy.cdm.common.DOI;

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 k.luther

 * @since 27.11.2018

 *

 */

public class DoiWithLabelElement extends AbstractUriWithExceptionLabelElement<DOI> {

    private Button btnOpenBrowser;

    /**

     * @param formFactory

     * @param parentElement

     * @param labelString

     * @param initialObject

     * @param textHeight

     * @param style

     */

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

            DOI initialObject, Integer textHeight, int style) {

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

        // TODO Auto-generated constructor stub

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public void setParsedText(DOI object) {

        if(object != null){

            super.setText(object.toString());

        }

    }

    /**

     * {@inheritDoc}

     */

    @Override

    protected DOI getParsedText() throws Exception {

        String doiText = super.getText();

        if(doiText!=null){

            return DOI.fromString(super.getText());

        }

        return null;

    }

    @Override

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

        //label

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

        //uri text

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

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

        addControl(textAndButton);

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

        textAndButton.setLayoutData(LayoutConstants.FILL_HORIZONTALLY());

      //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;

                DOI doi= parseText();

                if(doi!=null){

                    try {

                        WorkbenchUtility.openWebpage(new URL(doi.asURI()));

                    } 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);

    }

    @Override

    protected void initExceptionLabel(Composite parent, CdmFormFactory formFactory, DOI initialObject) {

        labelException = formFactory.createLabel(parent, "", SWT.WRAP); //$NON-NLS-1$

        int numColumns = AbstractFormSection.DEFAULT_NUM_COLUMNS;

        if(parent.getLayout() instanceof TableWrapLayout){

            numColumns = ((TableWrapLayout)parent.getLayout()).numColumns;

        }

        labelException.setLayoutData(LayoutConstants.FILL_HORIZONTALLY(numColumns, 1));

        labelException.setBackground(getPersistentBackground());

        addControl(labelException);

        setParsedText(initialObject);

    }

    @Override

    public DOI parseText(){

        try {

            labelException.setFont(JFaceResources.getFontRegistry().get(JFaceResources.DEFAULT_FONT));

            labelException.setForeground(getPersistentBackground());

            labelException.setText(""); //$NON-NLS-1$

            return getParsedText();

        } catch (Exception e) {

            labelException.setFont(JFaceResources.getFontRegistry().getBold(JFaceResources.DEFAULT_FONT));

            labelException.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_RED));

            labelException.setText(Messages.DoiWithLabelElement_DOI_NOT_SAVED+e.getLocalizedMessage());

            return null;

        }

    }

}