Classes in this Package | Line Coverage | Branch Coverage | Complexity | ||||||||
CoordinateExtractor |
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| 4.5;4,5 |
1 | /** |
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2 | * Redistribution and use in source and binary forms, with or without |
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3 | * modification, are permitted provided that the following conditions are |
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4 | * met : |
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5 | * |
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6 | * . Redistributions of source code must retain the above copyright |
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7 | * notice, this list of conditions and the following disclaimer. |
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8 | * |
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9 | * . Redistributions in binary form must reproduce the above copyright |
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10 | * notice, this list of conditions and the following disclaimer in the |
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11 | * documentation and/or other materials provided with the distribution. |
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12 | * |
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13 | * . The name of the author may not be used to endorse or promote products |
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14 | * derived from this software without specific prior written permission. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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17 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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19 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, |
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20 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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22 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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23 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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24 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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25 | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 | * POSSIBILITY OF SUCH DAMAGE. |
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27 | * |
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28 | * $Id$ |
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29 | */ |
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30 | ||
31 | package palmed.edit.text; |
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32 | ||
33 | import palmed.edit.util.Coordinate; |
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34 | ||
35 | /** |
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36 | * This class implements a coordinate extractor. |
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37 | * |
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38 | * @author Mathieu Champlon |
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39 | * @version $Revision$ $Date$ |
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40 | */ |
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41 | public final class CoordinateExtractor implements ILineExtractor |
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42 | { |
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43 | /** |
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44 | * The coordinate to extract. |
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45 | */ |
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46 | private final Coordinate coordinate_; |
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47 | /** |
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48 | * The functor to call. |
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49 | */ |
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50 | private final ICoordinateExtractor functor_; |
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51 | /** |
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52 | * The width of the line at the coordinate. |
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53 | */ |
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54 | private int width_; |
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55 | /** |
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56 | * Whether the coordinate has been found or not. |
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57 | */ |
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58 | private boolean hasBeenFound_; |
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59 | ||
60 | /** |
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61 | * Create a coordinate extractor. |
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62 | * |
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63 | * @param coordinate the coordinate to extract |
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64 | * @param functor the functor to call when found |
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65 | */ |
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66 | public CoordinateExtractor( final Coordinate coordinate, final ICoordinateExtractor functor ) |
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67 | 30 | { |
68 | 30 | if( coordinate == null ) |
69 | 0 | throw new IllegalArgumentException( "parameter 'coordinate' is null" ); |
70 | 30 | if( functor == null ) |
71 | 0 | throw new IllegalArgumentException( "parameter 'functor' is null" ); |
72 | 30 | coordinate_ = coordinate; |
73 | 30 | functor_ = functor; |
74 | 30 | width_ = 0; |
75 | 30 | hasBeenFound_ = false; |
76 | 30 | } |
77 | ||
78 | /** |
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79 | * {@inheritDoc} |
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80 | */ |
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81 | public void select( final IText text, final int line ) |
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82 | { |
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83 | 85 | if( hasBeenFound_ ) |
84 | 40 | return; |
85 | 45 | final int x = coordinate_.x_ - width_; |
86 | 45 | final int length = text.getLine( line ).length(); |
87 | 45 | if( x <= length ) |
88 | { |
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89 | 30 | hasBeenFound_ = true; |
90 | 30 | functor_.select( text, new Coordinate( x, line ) ); |
91 | } |
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92 | 45 | width_ += length; |
93 | 45 | } |
94 | } |