Merge pull request #33 from unvell/fix/disallowPasteToReadonlyCell

Disable paste to read-only cells

Author: jingwood

Editor/ReoGridEditor.cs

@@ -683,6 +683,11 @@ public ReoGridEditor()
 					MessageBox.Show(this, LangResource.Msg_Range_Intersection_Exception,
 						"ReoGrid Editor", MessageBoxButtons.OK, MessageBoxIcon.Stop);
 				}
+				else if (e.Exception is OperationOnReadonlyCellException)
+				{
+					MessageBox.Show(this, LangResource.Msg_Operation_Aborted,
+						"ReoGrid Editor", MessageBoxButtons.OK, MessageBoxIcon.Stop);
+				}
 			};
 
 			this.grid.CurrentWorksheetChanged += (s, e) =>

ReoGrid/Core/Clipboard.cs

@@ -263,7 +263,7 @@ public bool Paste()
 							clipboardText = data.GetText();
 						}
 					}
-					
+
 #elif ANDROID
 
 #endif // WINFORM || WPF
@@ -306,6 +306,13 @@ public bool Paste()
 							return false;
 						}
 
+						// check whether the range to be pasted contains readonly cell
+						if (this.CheckRangeReadonly(targetRange))
+						{
+							this.NotifyExceptionHappen(new OperationOnReadonlyCellException("specified range contains readonly cell"));
+							return false;
+						}
+
 						// check any intersected merge-range in partial grid 
 						// 
 						bool cancelPerformPaste = false;