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package eu.etaxonomy.taxeditor.editor.view.derivate.handler;
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import org.eclipse.core.commands.AbstractHandler;
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import org.eclipse.core.commands.ExecutionEvent;
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import org.eclipse.core.commands.ExecutionException;
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import org.eclipse.jface.util.LocalSelectionTransfer;
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import org.eclipse.jface.viewers.ISelection;
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import org.eclipse.jface.viewers.TreeNode;
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import org.eclipse.ui.IEditorPart;
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import org.eclipse.ui.PlatformUI;
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import eu.etaxonomy.cdm.api.service.molecular.ISequenceService;
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import eu.etaxonomy.cdm.model.molecular.Sequence;
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import eu.etaxonomy.cdm.model.molecular.SingleRead;
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import eu.etaxonomy.taxeditor.editor.EditorUtil;
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import eu.etaxonomy.taxeditor.editor.view.derivate.DerivateView;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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import eu.etaxonomy.taxeditor.store.CdmStore;
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public class SingleReadHandler extends AbstractHandler {
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@Override
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public Object execute(ExecutionEvent event) throws ExecutionException {
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IEditorPart activeEditor = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActiveEditor();
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ISelection clipBoardSelection = LocalSelectionTransfer.getTransfer().getSelection();
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final ISelection selection = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getSelection();
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TreeNode clipBoardTreeNode = EditorUtil.getTreeNodeOfSelection(clipBoardSelection);
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TreeNode selectedTreeNode = EditorUtil.getTreeNodeOfSelection(selection);
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if(activeEditor instanceof DerivateView) {
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DerivateView derivateView = (DerivateView)activeEditor;
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if(event.getCommand().getId().equals("eu.etaxonomy.taxeditor.editor.derivative.copySingleReadToClipBoard")){ //$NON-NLS-1$
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LocalSelectionTransfer.getTransfer().setSelection(selection);
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}
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else if(event.getCommand().getId().equals("eu.etaxonomy.taxeditor.editor.derivative.reuseSingleRead")){ //$NON-NLS-1$
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if(activeEditor.isDirty()){
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MessagingUtils.warningDialog(DerivateView.VIEW_HAS_UNSAVED_CHANGES, this, DerivateView.YOU_NEED_TO_SAVE_BEFORE_PERFORMING_THIS_ACTION);
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return null;
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}
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if(clipBoardTreeNode!=null && clipBoardTreeNode.getValue() instanceof SingleRead
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&& selectedTreeNode!=null && selectedTreeNode.getValue() instanceof Sequence){
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SingleRead singleRead = (SingleRead)clipBoardTreeNode.getValue();
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Sequence sequence = (Sequence)selectedTreeNode.getValue();
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sequence.addSingleRead(singleRead);
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CdmStore.getService(ISequenceService.class).merge(sequence);
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if(activeEditor instanceof DerivateView) {
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derivateView.getConversationHolder().commit();
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derivateView.refreshTree();
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LocalSelectionTransfer.getTransfer().setSelection(null);
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}
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}
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}
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else if(event.getCommand().getId().equals("eu.etaxonomy.taxeditor.editor.derivative.removeSingleReadFromSequence")){ //$NON-NLS-1$
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if(activeEditor.isDirty()){
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MessagingUtils.warningDialog(DerivateView.VIEW_HAS_UNSAVED_CHANGES, this, DerivateView.YOU_NEED_TO_SAVE_BEFORE_PERFORMING_THIS_ACTION);
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return null;
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}
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if(selectedTreeNode!=null && selectedTreeNode.getParent()!=null &&
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selectedTreeNode.getValue() instanceof SingleRead && selectedTreeNode.getParent().getValue() instanceof Sequence) {
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Sequence sequence = (Sequence) selectedTreeNode.getParent().getValue();
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sequence.removeSingleRead((SingleRead) selectedTreeNode.getValue());
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CdmStore.getService(ISequenceService.class).merge(sequence);
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if(activeEditor instanceof DerivateView) {
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derivateView.getConversationHolder().commit();
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derivateView.refreshTree();
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}
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}
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}
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derivateView.updateLabelCache();
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derivateView.refreshTree();
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}
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return null;
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}
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}
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