2 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
3 * Copyright (C) $$Year-Rel$$ The Jalview Authors
5 * This file is part of Jalview.
7 * Jalview is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation, either version 3
10 * of the License, or (at your option) any later version.
12 * Jalview is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty
14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
19 * The Jalview Authors are detailed in the 'AUTHORS' file.
21 package jalview.schemes;
23 import jalview.datamodel.AlignmentAnnotation;
24 import jalview.datamodel.AlignmentI;
25 import jalview.datamodel.AnnotatedCollectionI;
26 import jalview.datamodel.SequenceCollectionI;
27 import jalview.datamodel.SequenceI;
29 import java.awt.Color;
30 import java.util.Hashtable;
34 * Looks at the information computed from an RNA Stockholm format file on the
35 * secondary structure of the alignment. Extracts the information on the
36 * positions of the helices present and assigns colors.
38 * @author Lauren Michelle Lui
41 public class RNAHelicesColour extends ResidueColourScheme
45 * Maps sequence positions to the RNA helix they belong to. Key: position,
46 * Value: helix TODO: Revise or drop in favour of annotation position numbers
48 public Hashtable<Integer, String> positionsToHelix = new Hashtable<Integer, String>();
51 * Number of helices in the RNA secondary structure
55 public AlignmentAnnotation annotation;
58 * Creates a new RNAHelicesColour object.
60 public RNAHelicesColour(AlignmentAnnotation annotation)
62 super(ResidueProperties.nucleotideIndex);
63 this.annotation = annotation;
64 ColourSchemeProperty.resetRnaHelicesShading();
68 public RNAHelicesColour(AnnotatedCollectionI alignment)
70 super(ResidueProperties.nucleotideIndex);
71 ColourSchemeProperty.resetRnaHelicesShading();
72 alignmentChanged(alignment, null);
76 * clones colour settings and annotation row data
78 * @param rnaHelicesColour
80 public RNAHelicesColour(RNAHelicesColour rnaHelicesColour)
82 super(ResidueProperties.nucleotideIndex);
83 annotation = rnaHelicesColour.annotation;
88 public void alignmentChanged(AnnotatedCollectionI alignment,
89 Map<SequenceI, SequenceCollectionI> hiddenReps)
92 // This loop will find the first rna structure annotation by which to colour
94 AlignmentAnnotation[] annotations = alignment.getAlignmentAnnotation();
95 if (annotations == null)
99 for (int i = 0; i < annotations.length; i++)
102 // is this a sensible way of determining type of annotation?
103 if (annotations[i].visible && annotations[i].isRNA()
104 && annotations[i].isValidStruc())
106 annotation = annotations[i];
115 private long lastrefresh = -1;
117 public void refresh()
120 if (annotation != null
121 && ((annotation._rnasecstr == null || lastrefresh != annotation._rnasecstr
122 .hashCode()) && annotation.isValidStruc()))
124 annotation.getRNAStruc();
125 lastrefresh = annotation._rnasecstr.hashCode();
127 positionsToHelix = new Hashtable<Integer, String>();
129 // Figure out number of helices
130 // Length of rnasecstr is the number of pairs of positions that base pair
131 // with each other in the secondary structure
132 for (int x = 0; x < this.annotation._rnasecstr.length; x++)
136 * System.out.println(this.annotation._rnasecstr[x] + " Begin" +
137 * this.annotation._rnasecstr[x].getBegin());
139 // System.out.println(this.annotation._rnasecstr[x].getFeatureGroup());
141 positionsToHelix.put(this.annotation._rnasecstr[x].getBegin(),
142 this.annotation._rnasecstr[x].getFeatureGroup());
143 positionsToHelix.put(this.annotation._rnasecstr[x].getEnd(),
144 this.annotation._rnasecstr[x].getFeatureGroup());
146 if (Integer.parseInt(this.annotation._rnasecstr[x]
147 .getFeatureGroup()) > numHelix)
149 numHelix = Integer.parseInt(this.annotation._rnasecstr[x]
154 ColourSchemeProperty.initRnaHelicesShading(numHelix);
159 * Returns default color base on purinepyrimidineIndex in
160 * jalview.schemes.ResidueProperties (Allows coloring in sequence logo)
163 * Character in sequence
165 * @return color in RGB
168 public Color findColour(char c)
170 return ResidueProperties.purinepyrimidine[ResidueProperties.purinepyrimidineIndex[c]];
171 // random colors for all positions
172 // jalview.util.ColorUtils.generateRandomColor(Color.white); If you want
176 * Returns color based on helices
179 * Character in sequence
181 * position in sequence - used to locate helix
183 * @return Color in RGB
186 public Color findColour(char c, int j, SequenceI seq)
189 Color currentColour = Color.white;
190 String currentHelix = null;
191 currentHelix = positionsToHelix.get(j);
192 if (currentHelix != null)
194 currentColour = ColourSchemeProperty.rnaHelices[Integer
195 .parseInt(currentHelix)];
197 return currentColour;
201 public ColourSchemeI applyTo(AnnotatedCollectionI sg,
202 Map<SequenceI, SequenceCollectionI> hiddenRepSequences)
204 return new RNAHelicesColour(this);
208 public boolean isNucleotideSpecific()
214 * Answers true if the data has RNA secondary structure annotation
217 public boolean isApplicableTo(AnnotatedCollectionI ac)
219 AnnotatedCollectionI context = ac.getContext();
224 if (context instanceof AlignmentI)
226 return ((AlignmentI) context).hasRNAStructure();
232 public String getSchemeName()
234 return JalviewColourScheme.RNAHelices.toString();