bundles/org.simantics.structural.ui/src/org/simantics/structural/ui/modelBrowser/contributions/PartialEvaluatorFactory.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.structural.ui.modelBrowser.contributions;
  13
  14 import java.util.Collection;
  15
  16 import org.simantics.browsing.ui.common.EvaluatorImpl;
  17 import org.simantics.browsing.ui.common.EvaluatorData.Evaluator;
  18 import org.simantics.browsing.ui.common.extension.EvaluatorFactory;
  19 import org.simantics.browsing.ui.content.ComparableContextFactory;
  20 import org.simantics.browsing.ui.content.ImagerFactory;
  21 import org.simantics.browsing.ui.content.LabelDecoratorFactory;
  22 import org.simantics.utils.ReflectionUtils;
  23
  24 public abstract class PartialEvaluatorFactory<T> implements EvaluatorFactory {
  25
  26         final private Class<?> clazz;
  27
  28     public PartialEvaluatorFactory() {
  29         clazz = ReflectionUtils.getSingleParameterType(getClass());
  30     }
  31
  32         @Override
  33         public Evaluator create(Collection<String> browseContexts) {
  34                 EvaluatorImpl result = new EvaluatorImpl();
  35                 double preference = getPreference();
  36                 {
  37                         ComparableContextFactory factory = createComparableFactory();
  38                         if(factory != null)
  39                                 result.addComparator(factory, preference);
  40                 }
  41                 {
  42                         LabelDecoratorFactory factory = createLabelDecoratorFactory();
  43                         if(factory != null)
  44                                 result.addLabelDecorator(factory, preference);
  45                 }
  46                 {
  47                         ImagerFactory factory = createImagerFactory();
  48                         if(factory != null)
  49                                 result.addImager(factory, preference);
  50                 }
  51                 return result;
  52         }
  53
  54         protected double getPreference() {
  55                 return 1.0;
  56         }
  57
  58         protected ComparableContextFactory createComparableFactory() {
  59                 return null;
  60         }
  61
  62         protected LabelDecoratorFactory createLabelDecoratorFactory() {
  63                 return null;
  64         }
  65
  66         protected ImagerFactory createImagerFactory() {
  67                 return null;
  68         }
  69
  70         @Override
  71         public Class<?> getClazz() {
  72                 return clazz;
  73         }
  74
  75 }