bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/contributor/labeler/ColumnLabelerContributorImpl.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2018 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  *     Semantum Oy - gitlab #146 - tooltip support
  12  *******************************************************************************/
  13 package org.simantics.browsing.ui.graph.impl.contributor.labeler;
  14
  15 import java.util.Map;
  16
  17 import org.simantics.browsing.ui.BuiltinKeys;
  18 import org.simantics.browsing.ui.BuiltinKeys.LabelerKey;
  19 import org.simantics.browsing.ui.NodeContext;
  20 import org.simantics.browsing.ui.PrimitiveQueryUpdater;
  21 import org.simantics.browsing.ui.Tester;
  22 import org.simantics.browsing.ui.content.Contributor;
  23 import org.simantics.browsing.ui.content.Labeler;
  24 import org.simantics.browsing.ui.content.Labeler.Modifier;
  25 import org.simantics.browsing.ui.content.LabelerFactory;
  26 import org.simantics.browsing.ui.graph.impl.contribution.LabelerContributionImpl;
  27 import org.simantics.db.ReadGraph;
  28 import org.simantics.db.UndoContext;
  29 import org.simantics.db.exception.DatabaseException;
  30 import org.simantics.utils.ReflectionUtils;
  31
  32 abstract public class ColumnLabelerContributorImpl<T> implements Contributor<LabelerFactory> {
  33
  34     abstract public Map<String, String> getLabel(ReadGraph graph, T input) throws DatabaseException;
  35
  36     public int getCategory(ReadGraph graph, T input) throws DatabaseException {
  37         return 0;
  38     }
  39
  40     public Modifier getModifier(ReadGraph graph, UndoContext context, T input, String columnKey) throws DatabaseException {
  41         return null;
  42     }
  43
  44     final private Class<?> clazz;
  45
  46     @Override
  47     public Tester getNodeContextTester() {
  48         return null;
  49     }
  50
  51     public ColumnLabelerContributorImpl() {
  52         clazz = ReflectionUtils.getSingleParameterType(getClass());
  53     }
  54
  55     public ColumnLabelerContributorImpl(Class<?> clazz) {
  56         this.clazz = clazz;
  57     }
  58
  59     public boolean shouldCreateToolTip(Object event, T input) {
  60         return false;
  61     }
  62
  63     public Object createToolTipContentArea(Object event, Object parent, T input) {
  64         return null;
  65     }
  66
  67     @Override
  68     public LabelerFactory getFactory() {
  69
  70         return new LabelerFactory() {
  71
  72             @Override
  73             public Labeler create(final PrimitiveQueryUpdater updater, NodeContext context, final LabelerKey key) {
  74
  75                 return new LabelerContributionImpl(updater, context, key) {
  76
  77                     @SuppressWarnings("unchecked")
  78                     @Override
  79                     public Map<String, String> labels(ReadGraph graph, NodeContext context) throws DatabaseException {
  80
  81                         T input = (T)context.getConstant(BuiltinKeys.INPUT);
  82
  83                         return ColumnLabelerContributorImpl.this.getLabel(graph, input);
  84
  85                     }
  86
  87                     @SuppressWarnings("unchecked")
  88                     @Override
  89                     public int category(ReadGraph graph, NodeContext context) throws DatabaseException {
  90
  91                         T input = (T)context.getConstant(BuiltinKeys.INPUT);
  92
  93                         return ColumnLabelerContributorImpl.this.getCategory(graph, input);
  94
  95                     }
  96
  97                     @SuppressWarnings("unchecked")
  98                     @Override
  99                     public Modifier getModifier(ReadGraph graph, UndoContext undoContext, NodeContext context, String columnKey) throws DatabaseException {
 100
 101                         T input = (T)context.getConstant(BuiltinKeys.INPUT);
 102
 103                         return ColumnLabelerContributorImpl.this.getModifier(graph, undoContext, input, columnKey);
 104
 105                     }
 106
 107                     @Override
 108                     public String toString() {
 109                         return ColumnLabelerContributorImpl.this.toString();
 110                     }
 111
 112                     @Override
 113                     public boolean createToolTip(Object event, NodeContext nodeContext) {
 114                         T input = (T)context.getConstant(BuiltinKeys.INPUT);
 115                         return ColumnLabelerContributorImpl.this.shouldCreateToolTip(event, input);
 116                     }
 117
 118                     @Override
 119                     public Object createToolTipContent(Object event, Object parent, NodeContext nodeContext) {
 120                         T input = (T)context.getConstant(BuiltinKeys.INPUT);
 121                         return ColumnLabelerContributorImpl.this.createToolTipContentArea(event, parent, input);
 122                     }
 123
 124                 };
 125
 126             }
 127
 128         };
 129
 130     }
 131
 132     @Override
 133     public Class<?> getInputClass() {
 134         return clazz;
 135     }
 136
 137 }