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/**
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* Copyright (C) 2019 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.ui.section.name.type;
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import java.util.Collection;
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import org.eclipse.jface.viewers.ArrayContentProvider;
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import org.eclipse.jface.viewers.ISelectionChangedListener;
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import org.eclipse.jface.viewers.LabelProvider;
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import org.eclipse.jface.viewers.SelectionChangedEvent;
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import org.eclipse.jface.viewers.StructuredSelection;
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import org.eclipse.jface.wizard.WizardPage;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.events.ModifyEvent;
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import org.eclipse.swt.events.ModifyListener;
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import org.eclipse.swt.events.SelectionAdapter;
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import org.eclipse.swt.events.SelectionEvent;
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import org.eclipse.swt.widgets.Composite;
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import eu.etaxonomy.cdm.common.CdmUtils;
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import eu.etaxonomy.cdm.model.name.SpecimenTypeDesignation;
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import eu.etaxonomy.taxeditor.ui.dialog.selection.CollectionSelectionDialog;
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/**
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 * @author pplitzner
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 * @since Mar 13, 2019
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 *
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 */
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public class CloneTypeWizardPage extends WizardPage implements ISelectionChangedListener, ModifyListener {
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    private CloneTypeWizardComposite composite;
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    private eu.etaxonomy.cdm.model.occurrence.Collection selectedCollection = null;
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    private final Collection<SpecimenTypeDesignation> typeDesignations;
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    protected CloneTypeWizardPage(Collection<SpecimenTypeDesignation> typeDesignations) {
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        super("Duplicate Type");
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        setTitle("Duplicate Type");
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        setDescription("Create a type duplicate based on an existing type specimen.");
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        this.typeDesignations = typeDesignations;
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    }
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    @Override
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    public void createControl(Composite parent) {
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        composite = new CloneTypeWizardComposite(parent, SWT.NONE);
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        // fill combo with available types
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        composite.getComboViewerBaseType().setContentProvider(new ArrayContentProvider());
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        composite.getComboViewerBaseType().setLabelProvider(new LabelProvider(){
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            @Override
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            public String getText(Object element) {
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                if(element instanceof SpecimenTypeDesignation){
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                    return ((SpecimenTypeDesignation) element).getTypeSpecimen().getTitleCache();
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                }
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                return super.getText(element);
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            }
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        });
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        composite.getComboViewerBaseType().setInput(typeDesignations);
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        if(typeDesignations.size()==1){
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            composite.getComboViewerBaseType().setSelection(new StructuredSelection(typeDesignations.iterator().next()));
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        }
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        composite.getBtnBrowseCollection().addSelectionListener(new SelectionAdapter() {
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            @Override
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            public void widgetSelected(SelectionEvent e) {
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                selectedCollection = CollectionSelectionDialog.select(getShell(), selectedCollection);
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                composite.getTxtCollection().setText(selectedCollection.getTitleCache());
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                getWizard().getContainer().updateButtons();
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            }
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        });
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        // add listeners for update buttons
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        composite.getComboViewerBaseType().addSelectionChangedListener(this);
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        composite.getTxtAccNumber().addModifyListener(this);
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        composite.getComboTypeStatus().addSelectionChangedListener(this);
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        setControl(composite);
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    }
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    @Override
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    public boolean isPageComplete() {
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        return composite.getComboViewerBaseType().getSelection()!=null
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                && CdmUtils.isNotBlank(composite.getTxtAccNumber().getText())
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                && selectedCollection!=null
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                && composite.getComboTypeStatus().getSelection()!=null;
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    }
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    @Override
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    public void selectionChanged(SelectionChangedEvent event) {
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        getWizard().getContainer().updateButtons();
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    }
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    @Override
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    public void modifyText(ModifyEvent e) {
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        getWizard().getContainer().updateButtons();
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    }
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}
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