Added View for micro instruction editor

[Mograsim.git] / net.mograsim.plugin.core / src / net / mograsim / plugin / tables / mi / InstructionTableContentProvider.java

diff --git a/net.mograsim.plugin.core/src/net/mograsim/plugin/tables/mi/InstructionTableContentProvider.java b/net.mograsim.plugin.core/src/net/mograsim/plugin/tables/mi/InstructionTableContentProvider.java
new file mode 100644 (file)
index 0000000..00a6f19
--- /dev/null
+++ b/net.mograsim.plugin.core/src/net/mograsim/plugin/tables/mi/InstructionTableContentProvider.java
@@ -0,0 +1,28 @@
+package net.mograsim.plugin.tables.mi;
+
+import org.eclipse.jface.viewers.ILazyContentProvider;
+import org.eclipse.jface.viewers.TableViewer;
+import org.eclipse.jface.viewers.Viewer;
+
+import net.mograsim.machine.mi.MicroprogramMemory;
+
+public class InstructionTableContentProvider implements ILazyContentProvider
+{
+       private TableViewer viewer;
+       private MicroprogramMemory memory;
+
+       @Override
+       public void updateElement(int index)
+       {
+               viewer.replace(memory.getCell(index), index);
+       }
+
+       @Override
+       public void inputChanged(Viewer viewer, Object oldInput, Object newInput)
+       {
+               this.viewer = (TableViewer) viewer;
+               this.memory = (MicroprogramMemory) newInput;
+               if (this.memory != null)
+                       this.viewer.setItemCount((int) memory.size());
+       }
+}