src/main/java/de/uapcore/lightpit/viewmodel/util/IssueSorter.java@b1fc8aed5969 (annotated)
src/main/java/de/uapcore/lightpit/viewmodel/util/IssueSorter.java
Fri, 18 Dec 2020 16:16:54 +0100
- author
- Mike Becker <universe@uap-core.de>
- date
- Fri, 18 Dec 2020 16:16:54 +0100
- changeset 165
- b1fc8aed5969
- parent 155
- 3ace475224f7
- child 167
- 3f30adba1c63
- permissions
- -rw-r--r--
Add mailto link to the display name above comments - fixes #112
| universe@121 | 1 | package de.uapcore.lightpit.viewmodel.util; |
| universe@121 | 2 | |
| universe@121 | 3 | import de.uapcore.lightpit.entities.Issue; |
| universe@150 | 4 | import de.uapcore.lightpit.entities.IssueStatusPhase; |
| universe@121 | 5 | |
| universe@121 | 6 | import java.util.Arrays; |
| universe@121 | 7 | import java.util.Comparator; |
| universe@121 | 8 | |
| universe@121 | 9 | public class IssueSorter implements Comparator<Issue> { |
| universe@121 | 10 | |
| universe@121 | 11 | public enum Field { |
| universe@141 | 12 | DONE, ETA, UPDATED |
| universe@121 | 13 | } |
| universe@121 | 14 | |
| universe@121 | 15 | public static class Criteria { |
| universe@121 | 16 | private Field field; |
| universe@121 | 17 | private boolean asc; |
| universe@121 | 18 | |
| universe@121 | 19 | public Criteria(Field field, boolean asc) { |
| universe@121 | 20 | this.field = field; |
| universe@121 | 21 | this.asc = asc; |
| universe@121 | 22 | } |
| universe@121 | 23 | |
| universe@121 | 24 | @Override |
| universe@121 | 25 | public boolean equals(Object obj) { |
| universe@121 | 26 | if (obj == null || !obj.getClass().equals(Criteria.class)) |
| universe@121 | 27 | return false; |
| universe@121 | 28 | final var other = (Criteria)obj; |
| universe@121 | 29 | return other.field.equals(field) && other.asc == asc; |
| universe@121 | 30 | } |
| universe@121 | 31 | } |
| universe@121 | 32 | |
| universe@121 | 33 | private final Criteria[] criteria; |
| universe@121 | 34 | |
| universe@121 | 35 | public IssueSorter(Criteria ... criteria) { |
| universe@121 | 36 | this.criteria = criteria; |
| universe@121 | 37 | } |
| universe@121 | 38 | |
| universe@121 | 39 | private int compare(Issue left, Issue right, Criteria criteria) { |
| universe@155 | 40 | if (left.equals(right)) |
| universe@155 | 41 | return 0; |
| universe@155 | 42 | |
| universe@121 | 43 | int result; |
| universe@121 | 44 | switch (criteria.field) { |
| universe@141 | 45 | case DONE: |
| universe@121 | 46 | result = Boolean.compare( |
| universe@150 | 47 | left.getStatus().getPhase().equals(IssueStatusPhase.Companion.getDone()), |
| universe@150 | 48 | right.getStatus().getPhase().equals(IssueStatusPhase.Companion.getDone())); |
| universe@121 | 49 | break; |
| universe@121 | 50 | case ETA: |
| universe@121 | 51 | if (left.getEta() != null && right.getEta() != null) |
| universe@121 | 52 | result = left.getEta().compareTo(right.getEta()); |
| universe@155 | 53 | else if (left.getEta() == null && right.getEta() == null) |
| universe@155 | 54 | result = 0; |
| universe@121 | 55 | else |
| universe@143 | 56 | result = left.getEta() != null ? -1 : 1; |
| universe@121 | 57 | break; |
| universe@121 | 58 | case UPDATED: |
| universe@121 | 59 | result = left.getUpdated().compareTo(right.getUpdated()); |
| universe@121 | 60 | break; |
| universe@121 | 61 | default: |
| universe@121 | 62 | throw new UnsupportedOperationException(); |
| universe@121 | 63 | } |
| universe@121 | 64 | return criteria.asc ? result : -result; |
| universe@121 | 65 | } |
| universe@121 | 66 | |
| universe@121 | 67 | @Override |
| universe@121 | 68 | public int compare(Issue left, Issue right) { |
| universe@121 | 69 | for (var c : criteria) { |
| universe@121 | 70 | int r = compare(left, right, c); |
| universe@121 | 71 | if (r != 0) return r; |
| universe@121 | 72 | } |
| universe@121 | 73 | return 0; |
| universe@121 | 74 | } |
| universe@121 | 75 | |
| universe@121 | 76 | @Override |
| universe@121 | 77 | public boolean equals(Object o) { |
| universe@121 | 78 | if (o == null || !o.getClass().equals(IssueSorter.class)) |
| universe@121 | 79 | return false; |
| universe@121 | 80 | final var other = (IssueSorter) o; |
| universe@121 | 81 | return Arrays.equals(criteria, other.criteria); |
| universe@121 | 82 | } |
| universe@121 | 83 | } |
