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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.molecular.handler;
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import java.util.Map;
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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.resource.ImageDescriptor;
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import org.eclipse.ui.IEditorPart;
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import org.eclipse.ui.PlatformUI;
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import org.eclipse.ui.commands.ICommandService;
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import org.eclipse.ui.commands.IElementUpdater;
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import org.eclipse.ui.menus.UIElement;
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import eu.etaxonomy.taxeditor.model.AbstractUtility;
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import eu.etaxonomy.taxeditor.molecular.editor.AlignmentEditor;
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/**
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* Switches an {@link AlignmentEditor} between insertion and overwrite mode.
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*
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* @author Ben Stöver
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* @date 04.12.2014
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*/
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public class ToggleInsertOverwriteHandler extends AbstractAlignmentEditorHandler implements IElementUpdater {
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public static final String COMMAND_ID =
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"eu.etaxonomy.taxeditor.molecular.AlignmentEditor.toggleInsertOverwrite";
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private final ImageDescriptor INSERT_DESCRIPTOR = HandlerTools.createImageDescriptor("insert-16x16.png");
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private final ImageDescriptor OVERWRITE_DESCRIPTOR = HandlerTools.createImageDescriptor("overwrite-16x16.png");
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@Override
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public void doExecute(ExecutionEvent event, AlignmentEditor editor) throws ExecutionException {
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editor.toggleInsertOverwrite();
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}
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@Override
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public void updateElement(UIElement element, @SuppressWarnings("rawtypes") Map parameters) {
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IEditorPart activeEditor = AbstractUtility.getActiveEditor();
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if (activeEditor instanceof AlignmentEditor) {
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if (((AlignmentEditor)activeEditor).isInsertMode()) {
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element.setIcon(INSERT_DESCRIPTOR);
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element.setText("INS");
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element.setTooltip("Click to switch to overwrite mode");
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}
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else {
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element.setIcon(OVERWRITE_DESCRIPTOR);
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element.setText("OVR");
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element.setTooltip("Click to switch to insertion mode");
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}
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((ICommandService)PlatformUI.getWorkbench().getService(ICommandService.class)).refreshElements(
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ToggleLeftRightInsertionHandler.COMMAND_ID, null);
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}
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}
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}
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