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| ///////////////////////////////////////////////////////////////////////////
// //
// Copyright (c) 2015 by Charta Software B.V. //
// All rights reserved //
// //
// Version: 1.7.0.83525 //
// Web site: https://pascal.chartasoftware.com/ //
// //
// This code and information are provided "as is" without warranty of //
// any kind. Dissemination of this information or reproduction of //
// this material is strictly forbidden unless prior written permission //
// is obtained from Charta Software B.V.. //
// //
///////////////////////////////////////////////////////////////////////////
unit WebSite.Form.Field;
interface
uses
Boolean,
Condition.Projecting,
Integer._32,
StructuredDocument.Node,
Text,
Value,
WebSite.Form.Problem,
WebSite.Page.Component.Default,
WebSite.Request,
WebSite.Request.Handler;
type
TNullValue = (nvNone, nvOther);
TFormField = class(TDefaultWebPageComponent)
protected
FNullable: TBoolean;
FNullValue: TNullValue;
FValue: TValue;
FInputOK: TBoolean;
procedure SetNullable(const Value: TBoolean);
procedure SetNullValue(const Value: TNullValue);
procedure SetValue(const Value: TValue);
procedure UpdateValue(Value: TValue);
procedure ValueChanged(); virtual;
function GetInputOK(): TBoolean; override;
procedure SetInputOK(const Value: TBoolean); override;
public
TabIndex: TInteger32;
OnChange: TText;
constructor Create(Name: TText; Caption: TDocumentNode); reintroduce; virtual;
destructor Destroy(); override;
function Old_CreateRequestHandler(Request: TWebSiteRequest): TWebSiteRequestHandler; virtual;
procedure CheckInput(Problems: TFormProblems); override;
procedure Clear(); virtual;
function HasInput(): TBoolean; virtual;
procedure SetInputOptional(Value: TBoolean); virtual;
property Nullable: TBoolean read FNullable write SetNullable;
property NullValue: TNullValue read FNullValue write SetNullValue;
property Value: TValue read FValue write SetValue;
public
type
TWithName = class(TProjectingCondition<TFormField, TText>)
public
function Matches(const Field: TFormField): TBoolean; override;
end;
end;
implementation
{ TFormField }
procedure TFormField.CheckInput(Problems: TFormProblems);
begin
InputOK := True;
end;
procedure TFormField.Clear();
begin
end;
constructor TFormField.Create(Name: TText; Caption: TDocumentNode);
begin
inherited Create();
Self.Name := Name;
Self.Caption := Caption;
Self.InputOK := True;
Self.NullValue := nvNone;
end;
function TFormField.Old_CreateRequestHandler(Request: TWebSiteRequest): TWebSiteRequestHandler;
begin
Result := nil;
end;
destructor TFormField.Destroy();
begin
Value.ReleaseReference();
inherited Destroy();
end;
function TFormField.GetInputOK(): TBoolean;
begin
Result := FInputOK;
end;
function TFormField.HasInput(): TBoolean;
begin
Result := True;
end;
procedure TFormField.SetInputOK(const Value: TBoolean);
begin
FInputOK := Value;
end;
procedure TFormField.SetInputOptional(Value: TBoolean);
begin
end;
procedure TFormField.SetNullable(const Value: TBoolean);
begin
FNullable := Value;
end;
procedure TFormField.SetNullValue(const Value: TNullValue);
begin
FNullValue := Value;
end;
procedure TFormField.SetValue(const Value: TValue);
begin
UpdateValue(Value);
ValueChanged();
end;
procedure TFormField.UpdateValue(Value: TValue);
begin
if Value <> Self.Value then
begin
Value.AddReference();
Self.Value.ReleaseReference();
FValue := Value;
end;
end;
procedure TFormField.ValueChanged();
begin
end;
{ TFormField.TWithName }
function TFormField.TWithName.Matches(const Field: TFormField): TBoolean;
begin
Result := Field.Name = ComparisonValue;
end;
end.
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