X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.ui%2Fsrc%2Forg%2Fsimantics%2Fui%2Fworkbench%2Fpreferences%2FPreferencePropertyTester.java;fp=bundles%2Forg.simantics.ui%2Fsrc%2Forg%2Fsimantics%2Fui%2Fworkbench%2Fpreferences%2FPreferencePropertyTester.java;h=16fe4b6bf5e439fc166f3d3d31b769d538498f97;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git diff --git a/bundles/org.simantics.ui/src/org/simantics/ui/workbench/preferences/PreferencePropertyTester.java b/bundles/org.simantics.ui/src/org/simantics/ui/workbench/preferences/PreferencePropertyTester.java new file mode 100644 index 000000000..16fe4b6bf --- /dev/null +++ b/bundles/org.simantics.ui/src/org/simantics/ui/workbench/preferences/PreferencePropertyTester.java @@ -0,0 +1,72 @@ +/******************************************************************************* + * Copyright (c) 2007, 2010 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.ui.workbench.preferences; + +import org.eclipse.core.expressions.PropertyTester; +import org.eclipse.core.runtime.preferences.DefaultScope; +import org.eclipse.core.runtime.preferences.InstanceScope; +import org.osgi.service.prefs.Preferences; +import org.simantics.utils.ObjectUtils; + +/** + * A JFace property tester extension for the Eclipse command framework for + * testing Eclipse preference values according to the specified arguments. + * + *

+ * The tester first tries to find the specified property from the instance scope + * (see {@link InstanceScope}) and if no value is found, it falls back to using + * the default scope (see {@link DefaultScope}) + * + *

+ * The tester expects to receive: + *

+ * + * @author Tuukka Lehtonen + * + * @see InstanceScope + * @see DefaultScope + */ +public class PreferencePropertyTester extends PropertyTester { + + @Override + public boolean test(Object receiver, String property, Object[] args, Object expectedValue) { + //System.out.println("TEST: " + receiver + ", " + property + ", " + Arrays.toString(args) + ", " + expectedValue); + + if (args.length == 2) { + String bundle = (String) args[0]; + String preference = (String) args[1]; + String expected = null; + if (expectedValue instanceof Boolean) + expected = ((Boolean) expectedValue).toString(); + else + expected = (String) expectedValue; + + Preferences prefs = InstanceScope.INSTANCE.getNode(bundle); + String value = prefs.get(preference, null); + if (value == null) { + // Get the default value only if there is no instance value. + prefs = DefaultScope.INSTANCE.getNode(bundle); + value = prefs.get(preference, null); + } + //System.out.println("TESTING VALUE: " + value); + return ObjectUtils.objectEquals(value, expected); + } + + return false; + } + +}