X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.browsing.ui.model%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fmodel%2Fmodifiers%2FNoModifierRule.java;fp=bundles%2Forg.simantics.browsing.ui.model%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fmodel%2Fmodifiers%2FNoModifierRule.java;h=8022fdb9e7ab85b4a848c291ce8e50a9741bffab;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git diff --git a/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/modifiers/NoModifierRule.java b/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/modifiers/NoModifierRule.java new file mode 100644 index 000000000..8022fdb9e --- /dev/null +++ b/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/modifiers/NoModifierRule.java @@ -0,0 +1,65 @@ +/******************************************************************************* + * Copyright (c) 2007, 2011 Association for Decentralized Information Management + * in Industry THTH ry. + * 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: + * VTT Technical Research Centre of Finland - initial API and implementation + *******************************************************************************/ +package org.simantics.browsing.ui.model.modifiers; + +import org.simantics.browsing.ui.content.Labeler.Modifier; +import org.simantics.browsing.ui.model.browsecontexts.BrowseContext; +import org.simantics.db.ReadGraph; +import org.simantics.db.exception.DatabaseException; + +/** + * @author Tuukka Lehtonen + */ +public enum NoModifierRule implements ModifierRule { + + INSTANCE; + + /** + * This modifier is fixed to indicate that there shall be no modifier. It is + * processed in + * {@link BrowseContext#getModifier(ReadGraph, org.simantics.browsing.ui.NodeContext, String)} + * . + */ + public static Modifier NO_MODIFIER = new Modifier() { + @Override + public String getValue() { + throw new UnsupportedOperationException(); + } + @Override + public String isValid(String label) { + throw new UnsupportedOperationException(); + } + @Override + public void modify(String label) { + throw new UnsupportedOperationException(); + } + }; + + public static NoModifierRule get() { + return INSTANCE; + } + + /** + * Compatible with any content type. + */ + @Override + public boolean isCompatible(Class contentType) { + return true; + } + + @Override + public Modifier getModifier(ReadGraph graph, Object content, + String columnKey) throws DatabaseException { + return NO_MODIFIER; + } + +}