JAL-3626 from JAL-3253-applet JalviewLite scrollTo capability

[jalview.git] / src / jalview / gui / SeqPanel.java

diff --git a/src/jalview/gui/SeqPanel.java b/src/jalview/gui/SeqPanel.java
index d22ddd4..b2149df 100644 (file)
--- a/src/jalview/gui/SeqPanel.java
+++ b/src/jalview/gui/SeqPanel.java
@@ -87,6 +87,7 @@ public class SeqPanel extends JPanel
         SequenceListener, SelectionListener
 {
   /*
+   * 
    * a class that holds computed mouse position
    * - column of the alignment (0...)
    * - sequence offset (0...)
@@ -2899,4 +2900,45 @@ public class SeqPanel extends JPanel
   {
     return lastSearchResults;
   }
+  
+  /**
+   * scroll to the given row/column - or nearest visible location
+   * 
+   * @param row
+   * @param column
+   */
+  public void scrollTo(int row, int column)
+  {
+
+    row = row < 0 ? ap.av.getRanges().getStartSeq() : row;
+    column = column < 0 ? ap.av.getRanges().getStartRes() : column;
+    ap.scrollTo(column, column, row, true, true);
+  }
+
+  /**
+   * scroll to the given row - or nearest visible location
+   * 
+   * @param row
+   */
+  public void scrollToRow(int row)
+  {
+
+    row = row < 0 ? ap.av.getRanges().getStartSeq() : row;
+    ap.scrollTo(ap.av.getRanges().getStartRes(),
+            ap.av.getRanges().getStartRes(), row, true, true);
+  }
+
+  /**
+   * scroll to the given column - or nearest visible location
+   * 
+   * @param column
+   */
+  public void scrollToColumn(int column)
+  {
+
+    column = column < 0 ? ap.av.getRanges().getStartRes() : column;
+    ap.scrollTo(column, column, ap.av.getRanges().getStartSeq(), true,
+            true);
+  }
+
 }