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package eu.etaxonomy.taxeditor.molecular.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.viewers.ISelection;
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import org.eclipse.jface.viewers.TreeNode;
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import org.eclipse.ui.PartInitException;
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import org.eclipse.ui.handlers.HandlerUtil;
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import eu.etaxonomy.cdm.model.molecular.Sequence;
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import eu.etaxonomy.taxeditor.editor.EditorUtil;
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import eu.etaxonomy.taxeditor.molecular.TaxeditorMolecularPlugin;
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import eu.etaxonomy.taxeditor.molecular.editor.AlignmentEditor;
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import eu.etaxonomy.taxeditor.molecular.editor.AlignmentEditorInput;
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/**
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* Opens the alignment editor from the CDM tree.
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*
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* @author Ben Stöver
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* @author pplitzner
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*/
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public class EditSequenceHandler extends AbstractHandler {
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private org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger(EditSequenceHandler.class);
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@Override
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public Object execute(ExecutionEvent event) throws ExecutionException {
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ISelection currentSelection = HandlerUtil.getCurrentSelection(event);
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TreeNode treeNodeOfSelection = EditorUtil.getTreeNodeOfSelection(currentSelection);
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if(treeNodeOfSelection != null && treeNodeOfSelection.getValue() instanceof Sequence){
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AlignmentEditorInput input = new AlignmentEditorInput(((Sequence)treeNodeOfSelection.getValue()).getUuid()); //TODO Should there always be a new instance created here? What if the specified CDM node is already opened in an AlignmentEditor? => Possible create Singleton that keeps instances by sequence objects in a map.
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try {
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TaxeditorMolecularPlugin.getDefault().getWorkbench()
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.getActiveWorkbenchWindow().getActivePage().openEditor(input, AlignmentEditor.ID);
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}
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catch (PartInitException e) {
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logger.error("Could not open AlignmentEditor", e);
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}
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}
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return null;
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}
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}
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