/// <summary>
/// Load mission contents from saved state
/// </summary>
private void FromState(MissionSavedState state)
{
Dependencies.Invalidate();
BeginUpdate();
FromXml(state.Xml, true, true);
ChangesPending = state.ChangesPending;
FilePath = state.FilePath;
CommentsBeforeRoot = state.CommentsBefore;
CommentsAfterRoot = state.CommentsAfter;
PlayerShipNames = state.PlayerShipNames;
VersionNumber = state.VersionNumber;
//Find selected node
if (state.SelectedNode >= 0)
{
int curStep = -1;
foreach (TreeNode node in TreeViewNodes.Nodes)
FromState_RecursiveSelectByStep(node, ref curStep, state.SelectedNode);
}
if (state.SelectedAction >= 0)
foreach (TreeNode node in TreeViewStatements.Nodes)
FromState_RecursiveSelectByTag(node, ((MissionNode)TreeViewNodes.SelectedNode.Tag).Actions[state.SelectedAction]);
if (state.SelectedCondition >= 0)
foreach (TreeNode node in TreeViewStatements.Nodes)
FromState_RecursiveSelectByTag(node, ((MissionNode)TreeViewNodes.SelectedNode.Tag).Conditions[state.SelectedCondition]);
if (state.SelectedLabel >= 0)
FlowLayoutPanelMain.Controls[state.SelectedLabel].Focus();
RecalculateNodeCount();
EndUpdate();
}
/// <summary>
/// Save mission contents to a state
/// </summary>
/// <param name="shortDescription">Description of the state</param>
private MissionSavedState ToState(string shortDescription)
{
MissionSavedState result = new MissionSavedState();
result.Xml = ToXml(true);
result.Description = shortDescription;
result.ChangesPending = ChangesPending;
result.FilePath = FilePath;
result.CommentsBefore = CommentsBeforeRoot;
result.CommentsAfter = CommentsAfterRoot;
result.PlayerShipNames = PlayerShipNames;
result.VersionNumber = VersionNumber;
result.SelectedNode = -1;
if (TreeViewNodes.SelectedNode!=null)
{
int curStep = -1;
foreach (TreeNode node in TreeViewNodes.Nodes)
if (ToState_RecursivelyGetSelected(node, ref curStep))
break;
result.SelectedNode = curStep;
}
result.SelectedAction = -1;
result.SelectedCondition = -1;
result.SelectedLabel = -1;
if (TreeViewNodes.SelectedNode != null && TreeViewStatements.SelectedNode != null && TreeViewStatements.SelectedNode.Tag is MissionStatement)
{
MissionNode curNode = (MissionNode)TreeViewNodes.SelectedNode.Tag;
MissionStatement curStatement = (MissionStatement)TreeViewStatements.SelectedNode.Tag;
if (curNode.Actions.Contains(curStatement))
result.SelectedAction = curNode.Actions.IndexOf(curStatement);
if (curNode.Conditions.Contains(curStatement))
result.SelectedCondition = curNode.Conditions.IndexOf(curStatement);
foreach (Control c in FlowLayoutPanelMain.Controls)
if (c.Focused)
result.SelectedLabel = FlowLayoutPanelMain.Controls.IndexOf(c);
}
return result;
}
/// <summary>
/// Undo mission to a state
/// </summary>
/// <param name="state">If provided, undo until we reach the state, otherwise, undo to the last state</param>
public void Undo(MissionSavedState state = null)
{
if (UndoStack.Count < 2)
return;
state = state ?? UndoStack.Peek();
while (RedoStack.Count == 0 || RedoStack.Peek() != state)
RedoStack.Push(UndoStack.Pop());
FromState(UndoStack.Peek());
UpdateObjectsText();
}