From: jprocter <Jim Procter>
Date: Thu, 29 Apr 2010 11:12:16 +0000 (+0000)
Subject: new selection manipulation method
X-Git-Tag: Release_2_5~20
X-Git-Url: http://source.jalview.org/gitweb/?p=jalview.git;a=commitdiff_plain;h=c16d6b192b294503d2bd16294454cfe136426e7d

new selection manipulation method
---

diff --git a/src/jalview/appletgui/AlignViewport.java b/src/jalview/appletgui/AlignViewport.java
index 1b3af30..1147526 100755
--- a/src/jalview/appletgui/AlignViewport.java
+++ b/src/jalview/appletgui/AlignViewport.java
@@ -1628,4 +1628,30 @@ public class AlignViewport
   {
     return this.showConsensusHistogram;
   }
+  /**
+   * synthesize a column selection if none exists so it covers the given selection group.
+   * if wholewidth is false,  no column selection is made if the selection group covers the whole alignment width.
+   * @param sg
+   * @param wholewidth 
+   */
+  public void expandColSelection(SequenceGroup sg, boolean wholewidth)
+  {
+    int sgs,sge;
+    if (sg!=null && (sgs=sg.getStartRes())>=0 && sg.getStartRes()<=(sge=sg.getEndRes())&& (colSel==null || colSel.getSelected()==null || colSel.getSelected().size()==0))
+    {
+      if (!wholewidth && alignment.getWidth()==(1+sge-sgs))
+      {
+        // do nothing 
+        return;
+      }
+      if (colSel==null)
+      {
+        colSel = new ColumnSelection();
+      }
+      for (int cspos = sg.getStartRes(); cspos<=sg.getEndRes(); cspos++) {
+        colSel.addElement(cspos);
+      }
+    }    
+  }
+
 }
diff --git a/src/jalview/gui/AlignViewport.java b/src/jalview/gui/AlignViewport.java
index fd1fa7d..f386bf3 100755
--- a/src/jalview/gui/AlignViewport.java
+++ b/src/jalview/gui/AlignViewport.java
@@ -2177,5 +2177,29 @@ public class AlignViewport implements SelectionSource
   {
     return this.showConsensusHistogram;
   }
-  
+  /**
+   * synthesize a column selection if none exists so it covers the given selection group.
+   * if wholewidth is false,  no column selection is made if the selection group covers the whole alignment width.
+   * @param sg
+   * @param wholewidth 
+   */
+  public void expandColSelection(SequenceGroup sg, boolean wholewidth)
+  {
+    int sgs,sge;
+    if (sg!=null && (sgs=sg.getStartRes())>=0 && sg.getStartRes()<=(sge=sg.getEndRes())&& (colSel==null || colSel.getSelected()==null || colSel.getSelected().size()==0))
+    {
+      if (!wholewidth && alignment.getWidth()==(1+sge-sgs))
+      {
+        // do nothing 
+        return;
+      }
+      if (colSel==null)
+      {
+        colSel = new ColumnSelection();
+      }
+      for (int cspos = sg.getStartRes(); cspos<=sg.getEndRes(); cspos++) {
+        colSel.addElement(cspos);
+      }
+    }    
+  }
 }