Remove parent track. Issue #100

Author: miachm

src/com/github/miachm/sods/ChartRangeResolver.java

@@ -46,12 +46,6 @@ private static Sheet resolveSheet(Sheet chartSheet, String sheetName) {
         if (chartSheet != null && sheetName.equals(chartSheet.getName())) {
             return chartSheet;
         }
-        if (chartSheet != null) {
-            SpreadSheet parent = SheetRegistry.lookup(chartSheet);
-            if (parent != null) {
-                return parent.getSheet(sheetName);
-            }
-        }
         return null;
     }
 

src/com/github/miachm/sods/SheetRegistry.java

@@ -101,15 +101,13 @@ public void addSheet(Sheet sheet,int pos) {
             throw new NullPointerException();
 
         sheets.add(pos,sheet);
-        SheetRegistry.register(this, sheet);
     }
 
     /**
      * Remove all sheets of the book. This only remove the link, the sheets objects are not modified in any way.
      */
     public void clear(){
         for (Sheet sheet : sheets) {
-            SheetRegistry.unregister(sheet);
         }
         sheets.clear();
     }
@@ -123,7 +121,6 @@ public void clear(){
     public void deleteSheet(int pos) {
         Sheet removed = sheets.remove(pos);
         if (removed != null) {
-            SheetRegistry.unregister(removed);
         }
     }
 
@@ -140,7 +137,6 @@ public boolean deleteSheet(String name){
             Sheet sheet = sheets.get(i);
             if (sheet.getName().equals(name)) {
                 sheets.remove(i);
-                SheetRegistry.unregister(sheet);
                 removed = true;
             }
         }
@@ -156,7 +152,6 @@ public boolean deleteSheet(String name){
     public boolean deleteSheet(Sheet sheet){
         boolean removed = sheets.remove(sheet);
         if (removed) {
-            SheetRegistry.unregister(sheet);
         }
         return removed;
     }
@@ -220,9 +215,7 @@ public void setSheet(Sheet sheet, int pos)
             throw new NullPointerException();
         Sheet old = sheets.set(pos,sheet);
         if (old != null) {
-            SheetRegistry.unregister(old);
         }
-        SheetRegistry.register(this, sheet);
     }
 
     /**