*/
package jalview.datamodel;
+import jalview.util.Comparison;
import jalview.util.ShiftList;
import jalview.viewmodel.annotationfilter.AnnotationFilterParameter;
import jalview.viewmodel.annotationfilter.AnnotationFilterParameter.SearchableAnnotationField;
import java.util.Vector;
/**
- * NOTE: Columns are zero based.
+ * Data class holding the selected columns and hidden column ranges for a view.
+ * Ranges are base 1.
*/
public class ColumnSelection
{
+ /**
+ * A class to hold an efficient representation of selected columns
+ */
private class IntList
{
/*
{
return selected.get(0) ? 0 : selected.nextSetBit(0);
}
+
+ /**
+ * @return a series of selection intervals along the range
+ */
+ public List<int[]> getRanges()
+ {
+ List<int[]> rlist = new ArrayList<int[]>();
+ if (selected.isEmpty())
+ {
+ return rlist;
+ }
+ int next = selected.nextSetBit(0), clear = -1;
+ while (next != -1)
+ {
+ clear = selected.nextClearBit(next);
+ rlist.add(new int[] { next, clear - 1 });
+ next = selected.nextSetBit(clear);
+ }
+ return rlist;
+ }
+
+ @Override
+ public int hashCode()
+ {
+ // TODO Auto-generated method stub
+ return selected.hashCode();
+ }
+
+ @Override
+ public boolean equals(Object obj)
+ {
+ if (obj instanceof IntList)
+ {
+ return ((IntList) obj).selected.equals(selected);
+ }
+ return false;
+ }
}
- IntList selected = new IntList();
+ IntList selection = new IntList();
+
/*
* list of hidden column [start, end] ranges; the list is maintained in
* ascending start column order
*/
public void addElement(int col)
{
- selected.add(col);
+ selection.add(col);
}
/**
*/
public void clear()
{
- selected.clear();
+ selection.clear();
}
/**
*/
public void removeElement(int col)
{
- selected.remove(col);
+ selection.remove(col);
}
/**
for (int i = start; i < end; i++)
{
colInt = new Integer(i);
- if (selected.contains(colInt))
+ if (selection.contains(colInt))
{
- selected.remove(colInt);
+ selection.remove(colInt);
}
}
}
*/
public List<Integer> getSelected()
{
- return selected.getList();
+ return selection.getList();
+ }
+
+ /**
+ * @return list of int arrays containing start and end column position for
+ * runs of selected columns ordered from right to left.
+ */
+ public List<int[]> getSelectedRanges()
+ {
+ return selection.getRanges();
}
/**
* @param col
* index to search for in column selection
*
- * @return true if Integer(col) is in selection.
+ * @return true if col is selected
*/
public boolean contains(int col)
{
- return selected.isSelected(col);
+ return (col > -1) ? selection.isSelected(col) : false;
}
/**
*/
public boolean isEmpty()
{
- return selected == null || selected.isEmpty();
+ return selection == null || selection.isEmpty();
}
/**
*/
public int getMax()
{
- if (selected.isEmpty())
+ if (selection.isEmpty())
{
return -1;
}
- return selected.getMaxColumn();
+ return selection.getMaxColumn();
}
/**
*/
public int getMin()
{
- if (selected.isEmpty())
+ if (selection.isEmpty())
{
return 1000000000;
}
- return selected.getMinColumn();
+ return selection.getMinColumn();
}
/**
public List<int[]> compensateForEdit(int start, int change)
{
List<int[]> deletedHiddenColumns = null;
- selected.compensateForEdits(start, change);
+ selection.compensateForEdits(start, change);
if (hiddenColumns != null)
{
private void compensateForDelEdits(int start, int change)
{
- selected.compensateForEdits(start, change);
+ selection.compensateForEdits(start, change);
if (hiddenColumns != null)
{
hiddenColumns = null;
}
}
- if (selected != null && selected.size() > 0)
+ if (selection != null && selection.size() > 0)
{
- selected.pruneColumnList(shifts);
- if (selected != null && selected.size() == 0)
+ selection.pruneColumnList(shifts);
+ if (selection != null && selection.size() == 0)
{
- selected = null;
+ selection = null;
}
}
// and shift the rest.
* Return absolute column index for a visible column index
*
* @param column
- * int column index in alignment view
+ * int column index in alignment view (count from zero)
* @return alignment column index for column
*/
public int adjustForHiddenColumns(int column)
/**
* Use this method to determine where the next hiddenRegion starts
+ *
+ * @param hiddenRegion
+ * index of hidden region (counts from 0)
+ * @return column number in visible view
*/
public int findHiddenRegionPosition(int hiddenRegion)
{
gaps += region[1] + 1 - region[0];
result = region[1] + 1;
index++;
- } while (index < hiddenRegion + 1);
+ } while (index <= hiddenRegion);
result -= gaps;
}
public void hideSelectedColumns()
{
- while (!selected.isEmpty())
+ synchronized (selection)
{
- int column = selected.elementAt(0);
- hideColumns(column);
+ for (int[] selregions : selection.getRanges())
+ {
+ hideColumns(selregions[0], selregions[1]);
+ }
+ selection.clear();
}
}
/*
* remaining case is that the new range follows everything else
*/
- hiddenColumns.addElement(new int[] { start, end });
+ hiddenColumns.addElement(new int[] { start, end });
}
/**
{
if (copy != null)
{
- if (copy.selected != null)
+ if (copy.selection != null)
{
- selected = new IntList();
- for (int i = 0, j = copy.selected.size(); i < j; i++)
+ selection = new IntList();
+ for (int i = 0, j = copy.selection.size(); i < j; i++)
{
- selected.add(copy.selected.elementAt(i));
+ selection.add(copy.selection.elementAt(i));
}
}
if (copy.hiddenColumns != null)
}
/**
+ * Locate the first and last position visible for this sequence. if seq isn't
+ * visible then return the position of the left and right of the hidden
+ * boundary region, and the corresponding alignment column indices for the
+ * extent of the sequence
+ *
+ * @param seq
+ * @return int[] { visible start, visible end, first seqpos, last seqpos,
+ * alignment index for seq start, alignment index for seq end }
+ */
+ public int[] locateVisibleBoundsOfSequence(SequenceI seq)
+ {
+ int fpos=seq.getStart(),lpos= seq.getEnd();
+ int start = 0;
+
+ if (hiddenColumns == null || hiddenColumns.size() == 0)
+ {
+ int ifpos = seq.findIndex(fpos) - 1, ilpos = seq.findIndex(lpos) - 1;
+ return new int[] { ifpos, ilpos, fpos, lpos, ifpos, ilpos };
+ }
+
+ // Simply walk along the sequence whilst watching for hidden column
+ // boundaries
+ List<int[]> regions = getHiddenColumns();
+ int spos = fpos, lastvispos = -1, rcount = 0, hideStart = seq
+ .getLength(), hideEnd = -1;
+ int visPrev = 0, visNext = 0, firstP = -1, lastP = -1;
+ boolean foundStart = false;
+ for (int p = 0, pLen = seq.getLength(); spos <= seq.getEnd()
+ && p < pLen; p++)
+ {
+ if (!Comparison.isGap(seq.getCharAt(p)))
+ {
+ // keep track of first/last column
+ // containing sequence data regardless of visibility
+ if (firstP == -1)
+ {
+ firstP = p;
+ }
+ lastP = p;
+ // update hidden region start/end
+ while (hideEnd < p && rcount < regions.size())
+ {
+ int[] region = regions.get(rcount++);
+ visPrev = visNext;
+ visNext += region[0] - visPrev;
+ hideStart = region[0];
+ hideEnd = region[1];
+ }
+ if (hideEnd < p)
+ {
+ hideStart = seq.getLength();
+ }
+ // update visible boundary for sequence
+ if (p < hideStart)
+ {
+ if (!foundStart)
+ {
+ fpos = spos;
+ start = p;
+ foundStart = true;
+ }
+ lastvispos = p;
+ lpos = spos;
+ }
+ // look for next sequence position
+ spos++;
+ }
+ }
+ if (foundStart)
+ {
+ return new int[] { findColumnPosition(start),
+ findColumnPosition(lastvispos), fpos, lpos, firstP, lastP };
+ }
+ // otherwise, sequence was completely hidden
+ return new int[] { visPrev, visNext, 0, 0, firstP, lastP };
+ }
+
+ /**
* delete any columns in alignmentAnnotation that are hidden (including
* sequence associated annotation).
*
{
if (hiddenColumns != null && isVisible(col.intValue()))
{
- selected.add(col);
+ selection.add(col);
}
}
}
*/
public void setElementsFrom(ColumnSelection colsel)
{
- selected = new IntList();
- if (colsel.selected != null && colsel.selected.size() > 0)
+ selection = new IntList();
+ if (colsel.selection != null && colsel.selection.size() > 0)
{
if (hiddenColumns != null && hiddenColumns.size() > 0)
{
*/
public boolean hasSelectedColumns()
{
- return (selected != null && selected.size() > 0);
+ return (selection != null && selection.size() > 0);
}
/**
public boolean filterAnnotations(Annotation[] annotations,
AnnotationFilterParameter filterParams)
{
+ // JBPNote - this method needs to be refactored to become independent of
+ // viewmodel package
this.revealAllHiddenColumns();
this.clear();
int count = 0;
return false;
}
- public boolean isSelected(int column)
+ /**
+ * Returns a hashCode built from selected columns and hidden column ranges
+ */
+ @Override
+ public int hashCode()
{
- return selected.isSelected(column);
+ int hashCode = selection.hashCode();
+ if (hiddenColumns != null)
+ {
+ for (int[] hidden : hiddenColumns)
+ {
+ hashCode = 31 * hashCode + hidden[0];
+ hashCode = 31 * hashCode + hidden[1];
+ }
+ }
+ return hashCode;
+ }
+
+ @Override
+ public boolean equals(Object obj)
+ {
+ if (obj instanceof ColumnSelection)
+ {
+ return hashCode() == obj.hashCode();
+ }
+ return false;
}
+
}
git://source.jalview.org / jalview.git / blobdiff