plugins/net.mograsim.plugin.core/src/net/mograsim/plugin/tables/mi/InstructionTableContentProvider.java

   1 package net.mograsim.plugin.tables.mi;
   2
   3 import org.eclipse.jface.viewers.ILazyContentProvider;
   4 import org.eclipse.jface.viewers.TableViewer;
   5 import org.eclipse.jface.viewers.Viewer;
   6
   7 import net.mograsim.machine.mi.MicroInstructionMemory;
   8
   9 public class InstructionTableContentProvider implements ILazyContentProvider
  10 {
  11         private TableViewer viewer;
  12         private MicroInstructionMemory memory;
  13         private long minAddr = 0;
  14
  15         @Override
  16         public void updateElement(int index)
  17         {
  18                 long address = memory.getDefinition().getMinimalAddress() + index;
  19                 viewer.replace(new InstructionTableRow(address, memory.getCell(address)), index);
  20         }
  21
  22         @Override
  23         public void inputChanged(Viewer viewer, Object oldInput, Object newInput)
  24         {
  25                 this.viewer = (TableViewer) viewer;
  26                 this.memory = (MicroInstructionMemory) newInput;
  27                 if (this.memory != null)
  28                 {
  29                         this.viewer.setItemCount((int) memory.size());
  30                         this.minAddr = memory.getDefinition().getMinimalAddress();
  31                 }
  32         }
  33
  34         public void update(long address)
  35         {
  36                 updateElement((int) (address - minAddr));
  37         }
  38 }