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anchordocking: check if layout has exactly one control in each corner

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git-svn-id: trunk@26111 -
This commit is contained in:
mattias 2010-06-14 12:36:21 +00:00
parent 0a03c0007d
commit c5179d4b4c
1 changed files with 35 additions and 2 deletions
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37
examples/anchordocking/anchordockstorage.pas
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@ -1144,6 +1144,27 @@ procedure TAnchorDockLayoutTreeNode.CheckConsistency;
check for topological sort
check for not overlapping (the bounds can overlap because of constraints)
}
procedure CheckCornerIsUnique(Side1: TAnchorKind; Side1AnchorName: string;
Side2: TAnchorKind; Side2AnchorName: string);
var
i: Integer;
Child, Found: TAnchorDockLayoutTreeNode;
begin
Found:=nil;
for i:=0 to Count-1 do begin
Child:=Nodes[i];
if Child.IsSplitter then continue;
if CompareText(Child.Anchors[Side1],Side1AnchorName)<>0 then continue;
if CompareText(Child.Anchors[Side2],Side2AnchorName)<>0 then continue;
if Found<>nil then
raise EAnchorDockLayoutError.Create('overlapping controls found :'+Found.Name+','+Child.Name);
Found:=Child;
end;
if Found=nil then
raise EAnchorDockLayoutError.Create('empty space found :'+Name+' '+dbgs(Side1)+'='+Side1AnchorName+' '+dbgs(Side2)+'='+Side2AnchorName);
end;
var
i: Integer;
Child: TAnchorDockLayoutTreeNode;
@ -1152,9 +1173,11 @@ var
begin
// check parent
if (NodeType=adltnNone) and (Parent<>nil) then
raise EAnchorDockLayoutError.Create('invalid parent');
raise EAnchorDockLayoutError.Create('invalid parent, root node');
if (NodeType=adltnCustomSite) and (Parent.NodeType<>adltnNone) then
raise EAnchorDockLayoutError.Create('invalid parent');
raise EAnchorDockLayoutError.Create('invalid parent, custom sites parent must be nil');
if (Parent<>nil) and IsSplitter and (Parent.NodeType<>adltnLayout) then
raise EAnchorDockLayoutError.Create('invalid parent, splitter needs parent layout');
// check sides
for Side:=low(TAnchorKind) to high(TAnchorKind) do begin
@ -1209,6 +1232,16 @@ begin
adrsCustomDockSiteCanHaveOnlyOneSite, ['"', Name, '"']));
end;
// check if in each corner sits exactly one child
if NodeType=adltnLayout then
for Side:=low(TAnchorKind) to high(TAnchorKind) do
CheckCornerIsUnique(Side,'',ClockwiseAnchor[Side],'');
if (Parent<>nil) and (NodeType=adltnSplitterHorizontal) then begin
// check if
end;
// check grandchild
for i:=0 to Count-1 do begin
Child:=Nodes[i];