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/**
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* Copyright (C) 2007 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.webapp.view.datasource.e4.handler;
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import javax.inject.Named;
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import org.eclipse.e4.core.di.annotations.CanExecute;
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import org.eclipse.e4.core.di.annotations.Execute;
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import org.eclipse.e4.core.di.annotations.Optional;
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import org.eclipse.e4.ui.di.UISynchronize;
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import org.eclipse.e4.ui.model.application.ui.basic.MPart;
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import org.eclipse.e4.ui.model.application.ui.menu.MHandledMenuItem;
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import org.eclipse.e4.ui.services.IServiceConstants;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import org.eclipse.swt.widgets.Shell;
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import eu.etaxonomy.taxeditor.webapp.view.datasource.CdmMetaDataAwareDataSourceContainer;
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import eu.etaxonomy.taxeditor.webapp.view.datasource.e4.CdmDataSourceViewPartE4;
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/**
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*
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* @author pplitzner
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* @date 22.08.2017
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*
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*/
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public abstract class AbstractDataSourceHandlerE4 {
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protected UISynchronize sync;
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@Execute
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public void execute(
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@Named(IServiceConstants.ACTIVE_SHELL)Shell shell,
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@Named(IServiceConstants.ACTIVE_PART)MPart thisPart,
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@Named(IServiceConstants.ACTIVE_SELECTION)IStructuredSelection selection,
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UISynchronize sync) {
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this.sync = sync;
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CdmDataSourceViewPartE4 view = (CdmDataSourceViewPartE4) thisPart.getObject();
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boolean refresh = specificExecute(view,
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(CdmMetaDataAwareDataSourceContainer) selection.getFirstElement(), shell);
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if(refresh) {
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view.refresh();
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}
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}
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@CanExecute
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public boolean canExecute(
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@Optional@Named(IServiceConstants.ACTIVE_SELECTION)IStructuredSelection selection,
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@Named(IServiceConstants.ACTIVE_PART)MPart thisPart,
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MHandledMenuItem menuItem) {
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boolean canExecute = false;
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canExecute = thisPart.getObject() instanceof CdmDataSourceViewPartE4
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&& selection!=null
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&& selection.size()==1
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&& selection.getFirstElement() instanceof CdmMetaDataAwareDataSourceContainer;
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menuItem.setVisible(canExecute);
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return canExecute;
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}
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public abstract boolean specificExecute(CdmDataSourceViewPartE4 dataSourceViewPart, CdmMetaDataAwareDataSourceContainer container, Shell shell);
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}
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