From a7fb35d93ddef70d6e5b7953e0482a048d4c72b5 Mon Sep 17 00:00:00 2001
From: Ingo Weinhold <ingo_weinhold@gmx.de>
Date: Mon, 12 Oct 2009 03:14:34 +0000
Subject: [PATCH] When rows are added to/removed from the model, we need to
 adjust the row indices we store in the fields of subsequent BRows. Fixes the
 broken threads list in Debugger (should be some ticket -- can't access Trac
 ATM).

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@33539 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/apps/debuganalyzer/gui/table/Table.cpp | 27 ++++++++++++++++++++++
 src/apps/debuganalyzer/gui/table/Table.h   |  1 +
 2 files changed, 28 insertions(+)

diff --git a/src/apps/debuganalyzer/gui/table/Table.cpp b/src/apps/debuganalyzer/gui/table/Table.cpp
index fd37a385df..b7773f37b2 100644
--- a/src/apps/debuganalyzer/gui/table/Table.cpp
+++ b/src/apps/debuganalyzer/gui/table/Table.cpp
@@ -24,6 +24,11 @@ public:
 		return fRowIndex;
 	}
 
+	void SetRowIndex(int32 rowIndex)
+	{
+		fRowIndex = rowIndex;
+	}
+
 private:
 	int32	fRowIndex;
 };
@@ -508,18 +513,27 @@ Table::TableRowsAdded(TableModel* model, int32 rowIndex, int32 count)
 
 		AddRow(row, i);
 	}
+
+	// re-index the subsequent rows
+	_UpdateRowIndices(endRow);
 }
 
 
 void
 Table::TableRowsRemoved(TableModel* model, int32 rowIndex, int32 count)
 {
+	int32 rowsRemoved = 0;
+
 	for (int32 i = rowIndex + count - 1; i >= rowIndex; i--) {
 		if (BRow* row = fRows.RemoveItemAt(i)) {
 			RemoveRow(row);
 			delete row;
+			rowsRemoved++;
 		}
 	}
+
+	// re-index the subsequent rows
+	_UpdateRowIndices(rowIndex);
 }
 
 
@@ -550,6 +564,19 @@ Table::ItemInvoked()
 }
 
 
+void
+Table::_UpdateRowIndices(int32 fromIndex)
+{
+	for (int32 i = fromIndex; BRow* row = fRows.ItemAt(i); i++) {
+		for (int32 k = 0;
+			TableField* field = dynamic_cast<TableField*>(row->GetField(k));
+			k++) {
+			field->SetRowIndex(i);
+		}
+	}
+}
+
+
 int32
 Table::_ModelIndexOfRow(BRow* row)
 {
diff --git a/src/apps/debuganalyzer/gui/table/Table.h b/src/apps/debuganalyzer/gui/table/Table.h
index cd734517ff..57901c713b 100644
--- a/src/apps/debuganalyzer/gui/table/Table.h
+++ b/src/apps/debuganalyzer/gui/table/Table.h
@@ -135,6 +135,7 @@ private:
 private:
 	virtual	void				ItemInvoked();
 
+			void				_UpdateRowIndices(int32 fromIndex);
 			int32				_ModelIndexOfRow(BRow* row);
 
 private: