diff options
Diffstat (limited to 'plugins/views/modelexplorer/org.eclipse.papyrus.views.modelexplorer/src/org/eclipse/papyrus/views/modelexplorer/handler/ExpandAllHandler.java')
-rw-r--r-- | plugins/views/modelexplorer/org.eclipse.papyrus.views.modelexplorer/src/org/eclipse/papyrus/views/modelexplorer/handler/ExpandAllHandler.java | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/plugins/views/modelexplorer/org.eclipse.papyrus.views.modelexplorer/src/org/eclipse/papyrus/views/modelexplorer/handler/ExpandAllHandler.java b/plugins/views/modelexplorer/org.eclipse.papyrus.views.modelexplorer/src/org/eclipse/papyrus/views/modelexplorer/handler/ExpandAllHandler.java new file mode 100644 index 00000000000..749188e3627 --- /dev/null +++ b/plugins/views/modelexplorer/org.eclipse.papyrus.views.modelexplorer/src/org/eclipse/papyrus/views/modelexplorer/handler/ExpandAllHandler.java @@ -0,0 +1,81 @@ +/***************************************************************************** + * Copyright (c) 2016 CEA LIST, ALL4TEC and others. + * + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * Mickael ADAM (ALL4TEC) mickael.adam@all4tec.net - Initial API and implementation + *****************************************************************************/ +package org.eclipse.papyrus.views.modelexplorer.handler; + +import org.eclipse.core.commands.AbstractHandler; +import org.eclipse.core.commands.ExecutionEvent; +import org.eclipse.jface.viewers.AbstractTreeViewer; +import org.eclipse.jface.viewers.ISelection; +import org.eclipse.jface.viewers.StructuredSelection; +import org.eclipse.papyrus.views.modelexplorer.ModelExplorerPageBookView; +import org.eclipse.papyrus.views.modelexplorer.ModelExplorerView; +import org.eclipse.papyrus.views.modelexplorer.core.ui.pagebookview.MultiViewPageBookView; +import org.eclipse.ui.IViewPart; +import org.eclipse.ui.IViewReference; +import org.eclipse.ui.PlatformUI; +import org.eclipse.ui.navigator.CommonViewer; + +/** + * Handler to expand all children at selected element. + */ +public class ExpandAllHandler extends AbstractHandler { + + /** + * Constructor. + */ + public ExpandAllHandler() { + } + + /** + * {@inheritDoc} + * + * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent) + */ + @Override + public Object execute(final ExecutionEvent event) { + + ModelExplorerView openedModelExplorerView = getOpenedModelExplorerView(); + + if (openedModelExplorerView != null) { + CommonViewer commonViewer = openedModelExplorerView.getCommonViewer(); + ISelection selection = commonViewer.getSelection(); + // If there are selected element + if (selection instanceof StructuredSelection && !selection.isEmpty()) { + // For each element + for (Object object : ((StructuredSelection) selection).toArray()) { + commonViewer.expandToLevel(object, AbstractTreeViewer.ALL_LEVELS); + } + } else { + // or expand all + commonViewer.expandAll(); + } + } + return null; + } + + /** + * Get the view 'References' if it's already opened. + */ + public static ModelExplorerView getOpenedModelExplorerView() { + final IViewReference[] iViewModelExplorers = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage() + .getViewReferences(); + + for (final IViewReference iModelExplorer : iViewModelExplorers) { + final IViewPart iViewPart = iModelExplorer.getView(false); + if (iViewPart instanceof ModelExplorerPageBookView && ((MultiViewPageBookView) iViewPart).getActiveView() instanceof ModelExplorerView) { + return (ModelExplorerView) ((ModelExplorerPageBookView) iViewPart).getActiveView(); + } + } + return null; + } + +} |