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/**
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*
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*/
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package eu.etaxonomy.taxeditor.editor.view.media.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.core.commands.common.NotDefinedException;
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import org.eclipse.jface.viewers.ISelection;
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import org.eclipse.jface.viewers.TreePath;
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import org.eclipse.jface.viewers.TreeSelection;
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import org.eclipse.ui.IEditorPart;
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import org.eclipse.ui.IWorkbenchPart;
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import org.eclipse.ui.forms.editor.FormEditor;
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import org.eclipse.ui.handlers.HandlerUtil;
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import eu.etaxonomy.cdm.model.description.DescriptionBase;
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import eu.etaxonomy.taxeditor.editor.EditorUtil;
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import eu.etaxonomy.taxeditor.editor.view.media.operation.AddMediaToImageGalleryOperation;
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import eu.etaxonomy.taxeditor.model.AbstractUtility;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
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import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
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/**
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* <p>CreateMediaHandler class.</p>
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*
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* @author p.ciardelli
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* @version $Id: $
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*/
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public class CreateMediaHandler extends AbstractHandler {
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/* (non-Javadoc)
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* @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
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*/
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/** {@inheritDoc} */
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@Override
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public Object execute(ExecutionEvent event) throws ExecutionException {
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IWorkbenchPart part = HandlerUtil.getActivePart(event);
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IPostOperationEnabled postOperationEnabled = (part instanceof IPostOperationEnabled) ? (IPostOperationEnabled) part : null;
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DescriptionBase description = null;
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IEditorPart editor = HandlerUtil.getActiveEditor(event);
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if (editor instanceof FormEditor) {
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editor = ((FormEditor) editor).getActiveEditor();
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}
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ISelection selection = HandlerUtil.getCurrentSelection(event);
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if (selection instanceof TreeSelection) {
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TreePath[] paths = ((TreeSelection) selection).getPaths();
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int count = paths[0].getSegmentCount();
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for (int i = 0; i < count; i++ ) {
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if (paths[0].getSegment(i) instanceof DescriptionBase) {
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description = (DescriptionBase) paths[0].getSegment(i);
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break;
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}
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}
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}
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if(description != null){
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executeOperation(event, postOperationEnabled, description);
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}
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return null;
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}
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/**
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* @param event
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* @param postOperationEnabled
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* @param description
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*/
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protected void executeOperation(ExecutionEvent event, IPostOperationEnabled postOperationEnabled,
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DescriptionBase description) {
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AbstractPostOperation operation = null;
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try {
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// TODO use undo context specific to editor
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operation = new AddMediaToImageGalleryOperation(event.getCommand().getName(),
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EditorUtil.getUndoContext(), description, postOperationEnabled);
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AbstractUtility.executeOperation(operation);
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} catch (NotDefinedException e) {
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MessagingUtils.warn(getClass(), "Command name not set.");
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}
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}
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}
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