{
* This Source Code Form is subject to the terms of the Mozilla Public License,
* v. 2.0. If a copy of the MPL was not distributed with this file, You can
* obtain one at http://mozilla.org/MPL/2.0/
*
* Copyright (C) 2008-2012, Peter Johnson (www.delphidabbler.com).
*
* $Rev$
* $Date$
*
* Implements a frame that enables one or more snippets in the user-defined
* database to be selected via a tree view.
}
unit FrSelectUserSnippets;
interface
uses
// Delphi
ImgList, Controls, Classes, ComCtrls,
// Project
DB.UCategory, DB.USnippet, FrSelectSnippetsBase;
type
{
TSelectUserSnippetsFrame:
Frame class that enables one or more snippets from the user defined
database to be selected. Displays a two-level tree of snippets categories
with their associated user defined snippets. Each category and snippet has a
check box that can be checked to select them. A property is exposed that
gives access to selected snippets.
}
TSelectUserSnippetsFrame = class(TSelectSnippetsBaseFrame)
strict protected
function CanAddCatNode(const Cat: TCategory): Boolean; override;
{Checks if a category node should be added to treeview.
@param Cat [in] Category to be checked.
@return True if category contains any user-defined snippets.
}
function CanAddSnippetNode(const Snippet: TSnippet): Boolean; override;
{Checks if a snippet node should be added to treeview.
@param Snippet [in] Snippet to be checked.
@return True if snippet is user-defined.
}
end;
implementation
{$R *.dfm}
{ TSelectUserSnippetsFrame }
function TSelectUserSnippetsFrame.CanAddCatNode(const Cat: TCategory): Boolean;
{Checks if a category node should be added to treeview.
@param Cat [in] Category to be checked.
@return True if category contains any user-defined snippets.
}
begin
Result := Cat.Snippets.Count(True) > 0;
end;
function TSelectUserSnippetsFrame.CanAddSnippetNode(
const Snippet: TSnippet): Boolean;
{Checks if a snippet node should be added to treeview.
@param Snippet [in] Snippet to be checked.
@return True if snippet is user-defined.
}
begin
Result := Snippet.UserDefined;
end;
end.
