bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/Cells.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.spreadsheet.graph;
  13
  14 import java.util.ArrayList;
  15 import java.util.Collection;
  16 import java.util.Collections;
  17 import java.util.HashSet;
  18 import java.util.Set;
  19
  20 import org.simantics.databoard.Bindings;
  21 import org.simantics.databoard.binding.mutable.Variant;
  22 import org.simantics.db.ReadGraph;
  23 import org.simantics.db.Resource;
  24 import org.simantics.db.common.request.UnaryRead;
  25 import org.simantics.db.common.utils.Logger;
  26 import org.simantics.db.exception.DatabaseException;
  27 import org.simantics.db.layer0.variable.ConstantChildVariable;
  28 import org.simantics.db.layer0.variable.ConstantPropertyVariableBuilder;
  29 import org.simantics.db.layer0.variable.Variable;
  30 import org.simantics.db.layer0.variable.Variables;
  31 import org.simantics.spreadsheet.ClientModel;
  32 import org.simantics.spreadsheet.resource.SpreadsheetResource;
  33 import org.simantics.utils.datastructures.Pair;
  34
  35 public class Cells extends UnaryRead<Variable, Collection<Pair<String, Variable>>> {
  36
  37     public Cells(Variable variable) {
  38         super(variable);
  39     }
  40
  41         private static Set<String> CLASSIFICATIONS = new HashSet<String>();
  42
  43         static {
  44                 CLASSIFICATIONS.add(SpreadsheetResource.URIs.Attribute);
  45         }
  46
  47     @Override
  48     public Collection<Pair<String, Variable>> perform(ReadGraph graph) throws DatabaseException {
  49         SpreadsheetResource SHEET = SpreadsheetResource.getInstance(graph);
  50         ArrayList<Pair<String, Variable>> result = new ArrayList<Pair<String, Variable>>();
  51
  52         if (GraphUI.DEBUG)
  53             System.out.println("Executing Cells for parameter " + parameter.getURI(graph));
  54
  55         for(Variable child : parameter.getChildren(graph)) {
  56                 Resource type = child.getPossibleType(graph);
  57                 if(type != null) {
  58                         if(graph.isInheritedFrom(type, SHEET.Range)) {
  59
  60                                 try {
  61
  62                                         Collection<Pair<String, Variable>> rangeCells = graph.sync(new Cells(child));
  63                                         result.addAll(rangeCells);
  64
  65                                 } catch (DatabaseException e) {
  66
  67                                 String location = child.getPossiblePropertyValue(graph, SHEET.Range_location, Bindings.STRING);
  68                                 if(location == null) location = "A1";
  69
  70                                         result.add(error(graph, child, location, e));
  71
  72                                         Logger.defaultLogError(e);
  73                                 }
  74                         } else if(graph.isInheritedFrom(type, SHEET.Cell)) {
  75
  76                                 try {
  77
  78                                         String name = child.getName(graph);
  79                                         result.add(Pair.make(name, child));
  80
  81                                 } catch (DatabaseException e) {
  82                                     if (GraphUI.DEBUG)
  83                                         e.printStackTrace();
  84                                         Logger.defaultLogError(e);
  85
  86                                 }
  87                         }
  88                 }
  89         }
  90         for (Variable child : parameter.getParent(graph).getChildren(graph)) {
  91
  92             Resource type = child.getPossibleType(graph);
  93             if (type != null)
  94             if (type != null && type.equals(SHEET.Style)) {
  95                 String name = child.getName(graph);
  96                 result.add(Pair.make(name, child));
  97             }
  98         }
  99         return result;
 100     }
 101
 102     private static Pair<String, Variable> error(ReadGraph graph, Variable child, String location, DatabaseException e) throws DatabaseException {
 103
 104         SpreadsheetResource SHEET = SpreadsheetResource.getInstance(graph);
 105
 106                 ArrayList<ConstantPropertyVariableBuilder> builders = new ArrayList<ConstantPropertyVariableBuilder>();
 107
 108                 builders.add(new ConstantPropertyVariableBuilder(ClientModel.CONTENT, Variant.ofInstance(e.getExplanation(graph)), Bindings.VARIANT, Collections.<ConstantPropertyVariableBuilder>emptyList(), CLASSIFICATIONS));
 109                 builders.add(new ConstantPropertyVariableBuilder(Variables.TYPE, SHEET.Cell, null, Collections.<ConstantPropertyVariableBuilder>emptyList(), Collections.<String>emptySet()));
 110
 111                 Variable var = new ConstantChildVariable(child, location, builders);
 112                 return new Pair<String, Variable>(location, var);
 113
 114     }
 115
 116 }