1 | package org.expeditee.items.MagneticConstraint.Utilities;
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2 |
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3 | import java.awt.Rectangle;
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4 | import java.util.*;
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5 |
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6 | import org.expeditee.items.Item;
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7 |
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8 | @SuppressWarnings("serial")
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9 | public class Line extends LinkedList<Item> {
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10 |
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11 | private Line() {
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12 | super();
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13 | }
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14 |
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15 | private Line(final Line toCopy) {
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16 | super(toCopy);
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17 | }
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18 |
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19 | public static Line getLineFromToken(final Item token) {
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20 | if(token == null) return new Line();
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21 | else return getLineFromToken(token, new Line());
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22 | }
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23 |
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24 | public static Line getLineContainingToken(final Item token) {
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25 | if(token == null) return new Line();
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26 | Item current = token;
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27 | while(current.getMagnetizedItemLeft() != -1)
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28 | current = current.getParent().getItemWithID(current.getMagnetizedItemLeft());
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29 | return getLineFromToken(current, new Line());
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30 | }
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31 |
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32 | public static int getLineHeight(final Line line) {
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33 | return (int) (line.getBoundingBox().getHeight() * 1.2);
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34 | }
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35 |
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36 | public Line setX(final int newX) {
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37 | int delta = newX - this.getFirst().getX();
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38 | deltaX(delta);
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39 | return this;
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40 | }
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41 |
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42 | public Line setY(final int newY) {
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43 | int delta = newY - this.getFirst().getY();
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44 | deltaY(delta);
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45 | return this;
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46 | }
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47 |
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48 | public Line deltaX(final int delta) {
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49 | for(final Item token : this) token.setPosition(token.getX() + delta, token.getY());
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50 | return this;
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51 | }
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52 |
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53 | public Line deltaY(final int delta) {
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54 | for(final Item token : this) token.setPosition(token.getX(), token.getY() + delta);
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55 | return this;
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56 | }
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57 |
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58 | public Rectangle getBoundingBox() {
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59 | final Rectangle rect = new Rectangle(this.getFirst().getX(), this.getFirst().getY(), this.getFirst().getBoundsWidth(), this.getFirst().getBoundsHeight());
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60 | for(final Item token : this)
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61 | rect.add(new Rectangle(token.getX(), token.getY(), token.getBoundsWidth(), token.getBoundsHeight()));
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62 | return rect;
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63 | }
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64 |
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65 | public Line next() {
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66 | final Item lastInThisLine = this.get(this.size() - 1);
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67 | if(lastInThisLine.getMagnetizedItemBottom() == -1) return null;
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68 | else return getLineFromToken(this.get(0).getParent().getItemWithID(lastInThisLine.getMagnetizedItemBottom()));
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69 | }
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70 |
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71 | public Line last() {
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72 | final Item firstInThisLine = this.get(0);
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73 | if(firstInThisLine.getMagnetizedItemTop() == -1) return null;
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74 | else return getLineContainingToken(this.get(0).getParent().getItemWithID(firstInThisLine.getMagnetizedItemTop()));
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75 | }
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76 |
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77 | private static Line getLineFromToken(final Item token, final Line acc) {
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78 | if(token.getMagnetizedItemRight() == -1) {
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79 | acc.add(token);
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80 | return acc;
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81 | } else {
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82 | final Line lineSoFar = new Line(acc);
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83 | lineSoFar.add(token);
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84 | return getLineFromToken(token.getParent().getItemWithID(token.getMagnetizedItemRight()), lineSoFar);
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85 | }
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86 | }
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87 | }
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