package jalview.datamodel;
import java.util.ArrayList;
+import java.util.Arrays;
import java.util.BitSet;
import java.util.Iterator;
import java.util.List;
try
{
LOCK.readLock().lock();
- int num = 0;
- if (hasHiddenColumns())
- {
- num = hiddenColumns.size();
- }
- return num;
+ return hiddenColumns.size();
} finally
{
LOCK.readLock().unlock();
return false;
}
+ Iterator<int[]> it = this.iterator();
Iterator<int[]> thatit = that.iterator();
- for (int[] thisRange : hiddenColumns)
+ while (it.hasNext())
{
- int[] thatRange = thatit.next();
- if (thisRange[0] != thatRange[0] || thisRange[1] != thatRange[1])
+ if (!(Arrays.equals(it.next(), thatit.next())))
{
return false;
}
}
return true;
+
} finally
{
LOCK.readLock().unlock();
/**
* Find the visible column which is a given visible number of columns to the
- * left of another visible column. i.e. for a startColumn x, the column which
- * is distance 1 away will be column x-1.
+ * left (negative visibleDistance) or right (positive visibleDistance) of
+ * startColumn. If startColumn is not visible, we use the visible column at
+ * the left boundary of the hidden region containing startColumn.
*
* @param visibleDistance
- * the number of visible columns to offset by
+ * the number of visible columns to offset by (left offset = negative
+ * value; right offset = positive value)
* @param startColumn
- * the column to start from
- * @return the position of the column in the visible alignment
+ * the position of the column to start from (absolute position)
+ * @return the position of the column which is <visibleDistance> away
+ * (absolute position)
*/
- public int subtractVisibleColumns(int visibleDistance, int startColumn)
+ public int offsetByVisibleColumns(int visibleDistance, int startColumn)
{
try
{
LOCK.readLock().lock();
- int distance = visibleDistance;
-
- // in case startColumn is in a hidden region, move it to the left
- int start = visibleToAbsoluteColumn(absoluteToVisibleColumn(startColumn));
-
- Iterator<int[]> it = new ReverseRegionsIterator(0, start,
- hiddenColumns);
-
- while (it.hasNext() && (distance > 0))
- {
- int[] region = it.next();
-
- if (start > region[1])
- {
- // subtract the gap to right of region from distance
- if (start - region[1] <= distance)
- {
- distance -= start - region[1];
- start = region[0] - 1;
- }
- else
- {
- start = start - distance;
- distance = 0;
- }
- }
- }
- return start - distance;
+ int start = absoluteToVisibleColumn(startColumn);
+ return visibleToAbsoluteColumn(start + visibleDistance);
} finally
{
// make sure only bits between start and end are set
if (!tohide.isEmpty())
{
- tohide.clear(0, start - 1);
- tohide.clear(Math.min(end + 1, tohide.length() - 1),
- tohide.length() - 1);
+ tohide.clear(0, start);
+ tohide.clear(Math.min(end + 1, tohide.length() + 1),
+ tohide.length() + 1);
}
hideColumns(tohide);
{
LOCK.writeLock().lock();
- HiddenCursorPosition pos = cursor.findRegionForColumn(start);
- int index = pos.getRegionIndex();
- int startindex = index; // first index in hiddenColumns to remove
-
- if (index != -1 && index != hiddenColumns.size())
+ if (!hiddenColumns.isEmpty())
{
- // regionIndex is the region which either contains start
- // or lies to the right of start
- int[] region = hiddenColumns.get(index);
- if (region[0] < start && region[1] >= start)
+ HiddenCursorPosition pos = cursor.findRegionForColumn(start);
+ int index = pos.getRegionIndex();
+ int startindex = index; // first index in hiddenColumns to remove
+
+ if (index != -1 && index != hiddenColumns.size())
{
- // region contains start, truncate so that it ends just before start
- region[1] = start - 1;
- startindex++;
+ // regionIndex is the region which either contains start
+ // or lies to the right of start
+ int[] region = hiddenColumns.get(index);
+ if (region[0] < start && region[1] >= start)
+ {
+ // region contains start, truncate so that it ends just before start
+ region[1] = start - 1;
+ startindex++;
+ }
}
- }
-
- pos = cursor.findRegionForColumn(end);
- index = pos.getRegionIndex();
- int endindex = index - 1; // last index in hiddenColumns to remove
- if (index != -1 && index != hiddenColumns.size())
- {
- // regionIndex is the region which either contains end
- // or lies to the right of end
- int[] region = hiddenColumns.get(index);
- if (region[0] <= end && region[1] > end)
+ pos = cursor.findRegionForColumn(end);
+ index = pos.getRegionIndex();
+ int endindex = index - 1; // last index in hiddenColumns to remove
+
+ if (index != -1 && index != hiddenColumns.size())
{
- // region contains end, truncate so that it starts just after end
- region[0] = end + 1;
+ // regionIndex is the region which either contains end
+ // or lies to the right of end
+ int[] region = hiddenColumns.get(index);
+ if (region[0] <= end && region[1] > end)
+ {
+ // region contains end, truncate so that it starts just after end
+ region[0] = end + 1;
+ }
}
+
+ hiddenColumns.subList(startindex, endindex + 1).clear();
+ cursor.resetCursor(hiddenColumns);
+ numColumns = 0;
}
-
- hiddenColumns.subList(startindex, endindex + 1).clear();
- cursor.resetCursor(hiddenColumns);
- numColumns = 0;
} finally
{
LOCK.writeLock().unlock();
git://source.jalview.org / jalview.git / blobdiff