--- /dev/null
+/*
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
+ *
+ * This file is part of Jalview.
+ *
+ * Jalview is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 3
+ * of the License, or (at your option) any later version.
+ *
+ * Jalview is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
+package jalview.workers;
+
+import jalview.datamodel.AlignmentAnnotation;
+import jalview.datamodel.AlignmentI;
+import jalview.datamodel.Annotation;
+import jalview.datamodel.SequenceFeature;
+import jalview.datamodel.SequenceI;
+import jalview.gui.AlignFrame;
+import jalview.gui.AlignmentPanel;
+import jalview.gui.FeatureRenderer;
+import jalview.util.ColorUtils;
+import jalview.util.Comparison;
+
+import java.awt.Color;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * A class to compute an alignment annotation with column counts of any
+ * properties of interest of positions in an alignment. <br>
+ * This is designed to be extensible, by supplying to the constructor an object
+ * that computes a count for each residue position, based on the residue value
+ * and any sequence features at that position.
+ *
+ */
+class ColumnCounterWorker extends AlignCalcWorker
+{
+ FeatureCounterI counter;
+
+ /**
+ * Constructor registers the annotation for the given alignment frame
+ *
+ * @param af
+ * @param counter
+ */
+ public ColumnCounterWorker(AlignFrame af, FeatureCounterI counter)
+ {
+ super(af.getViewport(), af.alignPanel);
+ ourAnnots = new ArrayList<AlignmentAnnotation>();
+ this.counter = counter;
+ calcMan.registerWorker(this);
+ }
+
+ /**
+ * method called under control of AlignCalcManager to recompute the annotation
+ * when the alignment changes
+ */
+ @Override
+ public void run()
+ {
+ try
+ {
+ calcMan.notifyStart(this);
+
+ while (!calcMan.notifyWorking(this))
+ {
+ try
+ {
+ Thread.sleep(200);
+ } catch (InterruptedException ex)
+ {
+ ex.printStackTrace();
+ }
+ }
+ if (alignViewport.isClosed())
+ {
+ abortAndDestroy();
+ return;
+ }
+
+ removeAnnotation();
+ if (alignViewport.getAlignment() != null)
+ {
+ try
+ {
+ computeAnnotations();
+ } catch (IndexOutOfBoundsException x)
+ {
+ // probable race condition. just finish and return without any fuss.
+ return;
+ }
+ }
+ } catch (OutOfMemoryError error)
+ {
+ ap.raiseOOMWarning("calculating feature counts", error);
+ calcMan.workerCannotRun(this);
+ } finally
+ {
+ calcMan.workerComplete(this);
+ }
+
+ if (ap != null)
+ {
+ ap.adjustAnnotationHeight();
+ ap.paintAlignment(true);
+ }
+
+ }
+
+ /**
+ * Scan each column of the alignment to calculate a count by feature type. Set
+ * the count as the value of the alignment annotation for that feature type.
+ */
+ void computeAnnotations()
+ {
+ FeatureRenderer fr = new FeatureRenderer((AlignmentPanel) ap);
+ // TODO use the commented out code once JAL-2075 is fixed
+ // to get adequate performance on genomic length sequence
+ AlignmentI alignment = alignViewport.getAlignment();
+ // AlignmentView alignmentView = alignViewport.getAlignmentView(false);
+ // AlignmentI alignment = alignmentView.getVisibleAlignment(' ');
+
+ // int width = alignmentView.getWidth();
+ int width = alignment.getWidth();
+ int height = alignment.getHeight();
+ int[] counts = new int[width];
+ int max = 0;
+
+ for (int col = 0; col < width; col++)
+ {
+ int count = 0;
+ for (int row = 0; row < height; row++)
+ {
+ count += countFeaturesAt(alignment, col, row, fr);
+ }
+ counts[col] = count;
+ max = Math.max(count, max);
+ }
+
+ Annotation[] anns = new Annotation[width];
+ /*
+ * add non-zero counts as annotations
+ */
+ for (int i = 0; i < counts.length; i++)
+ {
+ int count = counts[i];
+ if (count > 0)
+ {
+ Color color = ColorUtils.getGraduatedColour(count, 0, Color.cyan,
+ max, Color.blue);
+ anns[i] = new Annotation(String.valueOf(count),
+ String.valueOf(count), '0', count, color);
+ }
+ }
+
+ /*
+ * construct the annotation, save it and add it to the displayed alignment
+ */
+ AlignmentAnnotation ann = new AlignmentAnnotation(counter.getName(),
+ counter.getDescription(), anns);
+ ann.showAllColLabels = true;
+ ann.graph = AlignmentAnnotation.BAR_GRAPH;
+ ourAnnots.add(ann);
+ alignViewport.getAlignment().addAnnotation(ann);
+ }
+
+ /**
+ * Returns a count of any feature types present at the specified position of
+ * the alignment
+ *
+ * @param alignment
+ * @param col
+ * @param row
+ * @param fr
+ */
+ int countFeaturesAt(AlignmentI alignment, int col, int row,
+ FeatureRenderer fr)
+ {
+ SequenceI seq = alignment.getSequenceAt(row);
+ if (seq == null)
+ {
+ return 0;
+ }
+ if (col >= seq.getLength())
+ {
+ return 0;// sequence doesn't extend this far
+ }
+ char res = seq.getCharAt(col);
+ if (Comparison.isGap(res))
+ {
+ return 0;
+ }
+ int pos = seq.findPosition(col);
+
+ /*
+ * compute a count for any displayed features at residue
+ */
+ // NB have to adjust pos if using AlignmentView.getVisibleAlignment
+ // see JAL-2075
+ List<SequenceFeature> features = fr.findFeaturesAtRes(seq, pos);
+ int count = this.counter.count(String.valueOf(res), features);
+ return count;
+ }
+
+ /**
+ * Method called when the user changes display options that may affect how the
+ * annotation is rendered, but do not change its values. Currently no such
+ * options affect user-defined annotation, so this method does nothing.
+ */
+ @Override
+ public void updateAnnotation()
+ {
+ // do nothing
+ }
+}
git://source.jalview.org / jalview.git / blobdiff