LogViewer.DisplayValues.Settings.ValueManager.pas

{
  Copyright (C) 2013-2025 Tim Sinaeve tim.sinaeve@gmail.com

  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
}

unit LogViewer.DisplayValues.Settings.ValueManager;

interface

{ The ValueManager class allows us to customize the property inspector used in
  the settings dialog. }

uses
  System.Classes, System.Rtti, System.Types,
  Vcl.Graphics,

  zObjInspTypes, zValueManager;

type
  TDisplayValuesValueManager = class(TzCustomValueManager)
  public
    procedure SetValue(
      const PItem : PPropItem;
      var Value   : TValue
    ); override;

    function HasButton(const PItem: PPropItem): Boolean; override;
    function HasList(const PItem: PPropItem): Boolean; override;
    function HasDialog(const PItem: PPropItem): Boolean; override;

    function GetDialog(const PItem: PPropItem): TComponentClass; override;
    function DialogResultValue(
      const PItem : PPropItem;
      Dialog      : TComponent
    ): TValue; override;

    procedure GetListItems(
      const PItem : PPropItem;
      Items       : TStrings
    ); override;

  end;

implementation

uses
  System.StrUtils, System.UITypes,
  Vcl.Dialogs,

  DDuce.Settings.TextFormat, DDuce.Logger;

{$REGION 'public methods'}
function TDisplayValuesValueManager.DialogResultValue(
  const PItem: PPropItem; Dialog: TComponent): TValue;
var
  S  : string;
  TF : TTextFormatSettings;
begin
  if MatchStr(PItem.Name, ['FontName']) then
  begin
    S := TFontDialog(Dialog).Font.Name;
    Result := GetValue(PItem, S);
    TF := (PItem.Component) as TTextFormatSettings;
    TF.FontColor := TFontDialog(Dialog).Font.Color;
    TF.FontSize  := TFontDialog(Dialog).Font.Size;
    TF.FontStyle := TFontDialog(Dialog).Font.Style;
  end
  else
  begin
    Result := inherited DialogResultValue(PItem, Dialog)
  end;
end;

function TDisplayValuesValueManager.GetDialog(
  const PItem: PPropItem): TComponentClass;
begin
  if MatchStr(PItem.Name, ['FontName']) then
    Result := TFontDialog
  else
    Result := inherited GetDialog(PItem)
end;

procedure TDisplayValuesValueManager.GetListItems(const PItem: PPropItem;
  Items: TStrings);
begin
  inherited GetListItems(PItem, Items);
end;

function TDisplayValuesValueManager.HasButton(
  const PItem: PPropItem): Boolean;
begin
  Result := inherited HasButton(PItem);
end;

function TDisplayValuesValueManager.HasDialog(
  const PItem: PPropItem): Boolean;
begin
  if MatchStr(PItem.Name, ['FontName']) then
  begin
    Result := True;
  end
  else
    Result := inherited HasDialog(PItem);
end;

function TDisplayValuesValueManager.HasList(
  const PItem: PPropItem): Boolean;
begin
  Result := inherited HasList(PItem);
end;

procedure TDisplayValuesValueManager.SetValue(const PItem: PPropItem;
  var Value: TValue);
begin
  inherited SetValue(PItem, Value);
end;
{$ENDREGION}

end.