david
ac9b7c9668
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.jvcl@17 7f62d464-2af8-f54e-996c-e91b33f51cbe
123 lines
3.1 KiB
ObjectPascal
123 lines
3.1 KiB
ObjectPascal
{******************************************************************
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JEDI-VCL Demo
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Copyright (C) 2002 Project JEDI
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Original author:
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Contributor(s):
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You may retrieve the latest version of this file at the JEDI-JVCL
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home page, located at http://jvcl.sourceforge.net
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The contents of this file are used with permission, subject to
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the Mozilla Public License Version 1.1 (the "License"); you may
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not use this file except in compliance with the License. You may
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obtain a copy of the License at
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http://www.mozilla.org/MPL/MPL-1_1Final.html
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Software distributed under the License is distributed on an
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"AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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implied. See the License for the specific language governing
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rights and limitations under the License.
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******************************************************************}
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unit MainFrm;
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interface
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uses
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Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms,
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Dialogs, StdCtrls, ComCtrls, JvComponent, JvSimpleXml, ExtCtrls;
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type
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TForm1 = class(TForm)
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JvSimpleXml1: TJvSimpleXml;
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reXML: TRichEdit;
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btnLoad: TButton;
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btnValidate: TButton;
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OpenDialog1: TOpenDialog;
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Panel1: TPanel;
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Label1: TLabel;
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Label2: TLabel;
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sbResults: TStatusBar;
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chkAutoValidate: TCheckBox;
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procedure btnLoadClick(Sender: TObject);
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procedure btnValidateClick(Sender: TObject);
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procedure reXMLChange(Sender: TObject);
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procedure FormCreate(Sender: TObject);
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private
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procedure LoadXML(const Filename:string);
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protected
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{ Private declarations }
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procedure WMDropFiles(var Message: TWMDropFiles); message WM_DROPFILES;
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public
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{ Public declarations }
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end;
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var
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Form1: TForm1;
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implementation
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uses ShellAPI;
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{$R *.dfm}
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procedure TForm1.btnLoadClick(Sender: TObject);
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begin
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if OpenDialog1.Execute then
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LoadXML(OpenDialog1.Filename);
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end;
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procedure TForm1.btnValidateClick(Sender: TObject);
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begin
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sbResults.Panels[0].Text := 'Validating...';
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sbResults.Update;
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Screen.Cursor := crHourGlass;
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try
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try
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JvSimpleXML1.LoadFromString(reXML.Lines.Text);
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sbResults.Panels[0].Text := 'No errors encountered in XML';
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except
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on E: Exception do
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sbResults.Panels[0].Text := E.Message;
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end;
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finally
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Screen.Cursor := crDefault;
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end;
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end;
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procedure TForm1.reXMLChange(Sender: TObject);
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begin
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btnValidate.Enabled := reXML.GetTextLen > 0;
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end;
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procedure TForm1.WMDropFiles(var Message: TWMDropFiles);
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var buf:string;
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begin
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SetLength(buf, DragQueryFile(Message.Drop, 0, nil, 0) + 1);
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DragQueryFile(Message.Drop, 0, PChar(buf), Length(buf));
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LoadXML(PChar(buf));
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end;
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procedure TForm1.FormCreate(Sender: TObject);
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begin
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DragAcceptFiles(Handle, true);
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end;
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procedure TForm1.LoadXML(const Filename: string);
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begin
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if FileExists(Filename) then
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begin
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reXML.Lines.LoadFromFile(Filename);
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reXMLChange(nil);
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if chkAutoValidate.Checked then
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btnValidate.Click;
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end;
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end;
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end.
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