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package eu.etaxonomy.taxeditor.molecular.editor.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.ui.model.application.ui.basic.MPart;
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import org.eclipse.e4.ui.services.IServiceConstants;
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import eu.etaxonomy.taxeditor.molecular.editor.e4.AlignmentEditorE4;
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import info.bioinfweb.libralign.alignmentarea.AlignmentArea;
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/**
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* Handler that cuts the currently selected nucleotides from an alignment editor to the clipboard.
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* <p>
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* The cut contents either come from the single reads or the consensus sequence alignment area,
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* depending on which component currently has the focus. If none of these components has the focus,
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* nothing will be cut, even if nucleotides are currently selected.
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* <p>
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* If the selection contains parts of multiple sequence, these are separated by the line separator
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* of the current operating system.
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*
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* @author Ben Stöver
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* @date 25.08.2015
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*/
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public class AlignmentEditorCutHandlerE4 extends AlignmentEditorCopyHandlerE4 {
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@Override
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@Execute
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protected void doExecute2(@Named(IServiceConstants.ACTIVE_PART)MPart activePart) {
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super.doExecute2(activePart); // Copy selected contents.
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AlignmentEditorE4 editor = (AlignmentEditorE4) activePart.getObject();
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AlignmentArea focusedArea = editor.getFocusedArea();
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focusedArea.getActionProvider().deleteSelection();
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}
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@Override
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@CanExecute
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public boolean isEnabled(@Named(IServiceConstants.ACTIVE_PART)MPart activePart) {
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AlignmentEditorE4 editor = (AlignmentEditorE4) activePart.getObject();
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if (editor != null) {
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AlignmentArea focusedArea = editor.getFocusedArea();
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if (focusedArea != null) {
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return !focusedArea.getSelection().isEmpty();
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}
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}
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return false;
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}
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}
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