Last change
on this file since 14206 was 14206, checked in by Don-vip, 6 years ago |
fix #16698, see #15670 - make sure filters are executed (costly operation) only when necessary:
- data changes imply execution of filters only when at least a filter is enabled
- filter changes imply execution of filters even is no filter is enabled
- filter dataset change events should not trigger a new filter execution!
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Property svn:eol-style
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native
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File size:
966 bytes
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1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.data.osm.event;
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3 |
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4 | import java.util.Collection;
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5 | import java.util.Collections;
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6 |
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7 | import org.openstreetmap.josm.data.osm.DataSet;
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8 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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9 |
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10 | /**
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11 | * Represents a change of primitive filter flags.
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12 | * @since 14206
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13 | */
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14 | public class FilterChangedEvent extends AbstractDatasetChangedEvent {
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15 |
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16 | /**
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17 | * Constructs a new {@code FilterChangedEvent}.
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18 | * @param dataSet the dataset from which the event comes from
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19 | */
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20 | public FilterChangedEvent(DataSet dataSet) {
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21 | super(dataSet);
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22 | }
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23 |
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24 | @Override
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25 | public void fire(DataSetListener listener) {
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26 | listener.otherDatasetChange(this);
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27 | }
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28 |
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29 | @Override
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30 | public Collection<? extends OsmPrimitive> getPrimitives() {
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31 | return Collections.emptyList();
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32 | }
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33 |
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34 | @Override
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35 | public DatasetEventType getType() {
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36 | return DatasetEventType.FILTERS_CHANGED;
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37 | }
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38 | }
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