Changeset 123 for trunk/Packages/Common/UPersistentForm.pas

Timestamp:

Nov 26, 2016, 11:33:19 AM (8 years ago)

Author:

chronos

Message:

• Added: Remember width of list view columns after closing the application.

File:

• trunk/Packages/Common/UPersistentForm.pas (modified) (5 diffs)

trunk/Packages/Common/UPersistentForm.pas

@@ -8 +8 @@
 
 uses
-  Classes, SysUtils, Forms, URegistry, LCLIntf, Registry;
+  Classes, SysUtils, Forms, URegistry, LCLIntf, Registry, Controls, ComCtrls;
 
 type
@@ -19 +19 @@
     FMinVisiblePart: Integer;
     FRegistryContext: TRegistryContext;
+    procedure LoadControl(Control: TControl);
+    procedure SaveControl(Control: TControl);
   public
     FormNormalSize: TRect;
@@ -49 +51 @@
 
 { TPersistentForm }
+
+procedure TPersistentForm.LoadControl(Control: TControl);
+var
+  I: Integer;
+  WinControl: TWinControl;
+  Count: Integer;
+begin
+  if Control is TListView then begin
+    with Form, TRegistryEx.Create do
+    try
+      RootKey := RegistryContext.RootKey;
+      OpenKey(RegistryContext.Key + '\Forms\' + Form.Name + '\' + Control.Name, True);
+      for I := 0 to TListView(Control).Columns.Count - 1 do begin
+        if ValueExists('ColWidth' + IntToStr(I)) then
+          TListView(Control).Columns[I].Width := ReadInteger('ColWidth' + IntToStr(I));
+      end;
+    finally
+      Free;
+    end;
+  end;
+
+  if Control is TWinControl then begin
+    WinControl := TWinControl(Control);
+    if WinControl.ControlCount > 0 then begin
+      for I := 0 to WinControl.ControlCount - 1 do begin
+        if WinControl.Controls[I] is TControl then begin
+          LoadControl(WinControl.Controls[I]);
+        end;
+      end;
+    end;
+  end;
+end;
+
+procedure TPersistentForm.SaveControl(Control: TControl);
+var
+  I: Integer;
+  WinControl: TWinControl;
+begin
+  if Control is TListView then begin
+    with Form, TRegistryEx.Create do
+    try
+      RootKey := RegistryContext.RootKey;
+      OpenKey(RegistryContext.Key + '\Forms\' + Form.Name + '\' + Control.Name, True);
+      for I := 0 to TListView(Control).Columns.Count - 1 do begin
+        WriteInteger('ColWidth' + IntToStr(I), TListView(Control).Columns[I].Width);
+      end;
+    finally
+      Free;
+    end;
+  end;
+
+  if Control is TWinControl then begin
+      WinControl := TWinControl(Control);
+      if WinControl.ControlCount > 0 then begin
+        for I := 0 to WinControl.ControlCount - 1 do begin
+          if WinControl.Controls[I] is TControl then begin
+            SaveControl(WinControl.Controls[I]);
+          end;
+        end;
+      end;
+    end;
+end;
 
 procedure TPersistentForm.LoadFromRegistry(RegistryContext: TRegistryContext);
@@ -181 +245 @@
       Form.BoundsRect := FormNormalSize;
   end;
+  LoadControl(Form);
 end;
 
@@ -191 +256 @@
   FormWindowState := Form.WindowState;
   SaveToRegistry(RegistryContext);
+  SaveControl(Form);
 end;