lazarus/components/jcf2/Notepad/frmJcfNotepad.pas

653 lines
16 KiB
ObjectPascal

unit frmJCFNotepad;
{(*}
(*------------------------------------------------------------------------------
Delphi Code formatter source code
The Original Code is frmJCFNotepad, released May 2003.
The Initial Developer of the Original Code is Anthony Steele.
Portions created by Anthony Steele are Copyright (C) 1999-2008 Anthony Steele.
All Rights Reserved.
Contributor(s): Anthony Steele.
The contents of this file are subject to the Mozilla Public License Version 1.1
(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.mozilla.org/NPL/
Software distributed under the License is distributed on an "AS IS" basis,
WITHOUT WARRANTY OF ANY KIND, either express or implied.
See the License for the specific language governing rights and limitations
under the License.
Alternatively, the contents of this file may be used under the terms of
the GNU General Public License Version 2 or later (the "GPL")
See http://www.gnu.org/licenses/gpl.html
------------------------------------------------------------------------------*)
{*)}
{$I JcfGlobal.inc}
interface
uses
{ delphi }
Windows, Messages, SysUtils, Classes, Controls, Forms,
Dialogs, StdCtrls, ComCtrls, ExtCtrls, ActnList,
Buttons, Menus, ShellAPI,
{ JEDI }
JvMRUManager, JvMemo, JvComponent, JvExStdCtrls, JvFormPlacement, JvComponentBase,
{ local }
JcfRegistrySettings, Converter, ConvertTypes, JcfUnicodeFiles;
{ have to do file pos display *after* various processing }
const
WM_SHOWFILEPOS = WM_USER + 42;
type
TfmJCFNotepad = class(TForm)
sb1: TStatusBar;
pnlTop: TPanel;
pcPages: TPageControl;
tsInput: TTabSheet;
tsOutput: TTabSheet;
mInput: TJvMemo;
mOutput: TJvMemo;
mMessages: TJvMemo;
lblMessages: TLabel;
sbLoad: TSpeedButton;
sbSave: TSpeedButton;
sbGo: TSpeedButton;
ActionList1: TActionList;
actOpen: TAction;
actSave: TAction;
actGo: TAction;
OpenDialog1: TOpenDialog;
SaveDialog1: TSaveDialog;
actClear: TAction;
sbClear: TSpeedButton;
MainMenu1: TMainMenu;
mnuFile: TMenuItem;
mnuFileOpen: TMenuItem;
mnuFileSaveOut: TMenuItem;
mnuExit: TMenuItem;
mnuSettings: TMenuItem;
actCopy: TAction;
actPaste: TAction;
N1: TMenuItem;
mruFiles: TJvMRUManager;
mnuEdit: TMenuItem;
mnuEditPaste: TMenuItem;
mnuEditCopy: TMenuItem;
mnuEditGo: TMenuItem;
mnuEditClear: TMenuItem;
mnuEditCut: TMenuItem;
mnuEditCopyOutput: TMenuItem;
mnuEditSelectAll: TMenuItem;
mnuEditCopyMessages: TMenuItem;
mnuFormat: TMenuItem;
mnuFileSaveInAs: TMenuItem;
mnuHelp: TMenuItem;
mnuHelpAbout: TMenuItem;
mnuShowRegSetting: TMenuItem;
mnuFormatSettings: TMenuItem;
ActCut: TAction;
Contents1: TMenuItem;
JvFormStorage1: TJvFormStorage;
mnuFileSaveIn: TMenuItem;
procedure FormResize(Sender: TObject);
procedure pcPagesChange(Sender: TObject);
procedure actGoExecute(Sender: TObject);
procedure mInputKeyUp(Sender: TObject; var Key: word; Shift: TShiftState);
procedure FormShow(Sender: TObject);
procedure actOpenExecute(Sender: TObject);
procedure actClearExecute(Sender: TObject);
procedure actSaveExecute(Sender: TObject);
procedure mnuExitClick(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure FormDestroy(Sender: TObject);
procedure actCopyExecute(Sender: TObject);
procedure actPasteExecute(Sender: TObject);
procedure mruFilesClick(Sender: TObject; const RecentName, Caption: string;
UserData: integer);
procedure mnuEditCopyOutputClick(Sender: TObject);
procedure mnuEditSelectAllClick(Sender: TObject);
procedure mnuEditCopyMessagesClick(Sender: TObject);
procedure mnuFileSaveInAsClick(Sender: TObject);
procedure mnuHelpAboutClick(Sender: TObject);
procedure mnuShowRegSettingClick(Sender: TObject);
procedure mnuFormatSettingsClick(Sender: TObject);
procedure ActCutExecute(Sender: TObject);
procedure mInputMouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: integer);
procedure Contents1Click(Sender: TObject);
procedure FormKeyUp(Sender: TObject; var Key: word; Shift: TShiftState);
procedure mOutputKeyUp(Sender: TObject; var Key: word; Shift: TShiftState);
procedure mInputKeyDown(Sender: TObject; var Key: word; Shift: TShiftState);
procedure mInputEnter(Sender: TObject);
procedure mOutputEnter(Sender: TObject);
procedure mInputClick(Sender: TObject);
procedure mOutputClick(Sender: TObject);
procedure mInputKeyPress(Sender: TObject; var Key: char);
procedure mnuFileSaveInClick(Sender: TObject);
private
fcConvert: TConverter;
fsLastInputFileName: string;
feLastInputContentType: TFileContentType;
procedure OnConvertStatusMessage(const psUnit, psMessage: string;
const peMessageType: TStatusMessageType;
const piY, piX: integer);
procedure CheckInputState;
procedure CheckCutPasteState;
procedure DoFileOpen(const psFileName: string);
procedure SaveInputToFile(const psFileName: string);
procedure CheckSaveEnabled;
procedure AddCheckMRU(const psFile: string);
procedure ShowFilePos;
procedure SendShowFilePos;
procedure OnReceiveShowFilePos(var msg: TMessage); message WM_SHOWFILEPOS;
public
end;
var
fmJCFNotepad: TfmJCFNotepad;
implementation
uses
{ delphi }
ClipBrd,
{ local }
JcfStringUtils,
JcfHelp, fAbout, fRegistrySettings, fAllSettings, JcfFontSetFunctions;
{$ifdef FPC}
{$R *.lfm}
{$else}
{$R *.dfm}
{$endif}
procedure TfmJCFNotepad.CheckInputState;
begin
actGo.Enabled := (mInput.Text <> '');
actClear.Enabled := (mInput.Text <> '');
end;
procedure TfmJCFNotepad.CheckSaveEnabled;
begin
mnuFileSaveIn.Enabled := (fsLastInputFileName <> '');
end;
procedure TfmJCFNotepad.CheckCutPasteState;
var
lbHasOutput: boolean;
begin
actPaste.Enabled := (pcPages.ActivePage = tsInput) and Clipboard.HasFormat(CF_TEXT);
actCut.Enabled := (pcPages.ActivePage = tsInput) and (mInput.SelLength > 0);
lbHasOutput := (pcPages.ActivePage = tsOutput) and (mOutput.Text <> '');
actSave.Enabled := lbHasOutput;
if pcPages.ActivePage = tsOutput then
actCopy.Enabled := lbHasOutput
else
actCopy.Enabled := (mInput.Text <> '');
end;
procedure TfmJCFNotepad.DoFileOpen(const psFileName: string);
var
lsFileContents: String;
begin
if psFileName = '' then
exit;
if not FileExists(psFileName) then
exit;
GetRegSettings.InputDir := ExtractFilePath(psFileName);
ReadTextFile(psFileName, lsFileContents, feLastInputContentType);
mInput.Text := lsFileContents;
sb1.Panels[1].Text := psFileName;
AddCheckMRU(psFileName);
fsLastInputFileName := psFileName;
CheckInputState;
SendShowFilePos;
CheckSaveEnabled;
end;
procedure TfmJCFNotepad.SaveInputToFile(const psFileName: string);
begin
if psFileName = '' then
exit;
// default the file type to utf-8 if it's not known
if feLastInputContentType = eUnknown then
begin
feLastInputContentType := eUtf8;
end;
WriteTextFile(psFileName, mInput.Text, feLastInputContentType);
sb1.Panels[1].Text := 'Saved input as ' + psFileName;
AddCheckMRU(psFileName);
fsLastInputFileName := psFileName;
CheckSaveEnabled;
end;
procedure TfmJCFNotepad.AddCheckMRU(const psFile: string);
var
liIndex: integer;
begin
liIndex := mruFiles.Strings.IndexOf(psFile);
if (liIndex < 0) then
begin
mruFiles.Add(psFile, 0);
liIndex := mruFiles.Strings.IndexOf(psFile);
end;
mruFiles.Strings.Move(liIndex, 0);
while mruFiles.Strings.Count > mruFiles.Capacity do
mruFiles.Strings.Delete(mruFiles.Strings.Count - 1);
end;
procedure TfmJCFNotepad.FormResize(Sender: TObject);
const
OUTPUT_PAD = 4;
begin
mOutput.Left := OUTPUT_PAD;
mOutput.Top := OUTPUT_PAD;
mOutput.Width := tsOutput.ClientWidth - (2 * OUTPUT_PAD);
// two thirds height
mOutput.Height := (tsOutput.Height * 2 div 3) - (2 * OUTPUT_PAD);
lblMessages.Left := 4;
lblMessages.Top := mOutput.Top + mOutput.Height + OUTPUT_PAD;
mMessages.Top := lblMessages.Top + lblMessages.Height + OUTPUT_PAD;
mMessages.Height := tsOutput.ClientHeight - (lblMessages.Top +
lblMessages.Height + (OUTPUT_PAD * 2));
mMessages.Left := OUTPUT_PAD;
mMessages.Width := tsOutput.ClientWidth - (2 * OUTPUT_PAD);
end;
procedure TfmJCFNotepad.pcPagesChange(Sender: TObject);
begin
CheckCutPasteState;
SendShowFilePos;
end;
procedure TfmJCFNotepad.actGoExecute(Sender: TObject);
begin
actGo.Enabled := False;
mMessages.Clear;
fcConvert.OnStatusMessage := OnConvertStatusMessage;
fcConvert.InputCode := mInput.Lines.Text;
fcConvert.Convert;
mOutput.Lines.Text := fcConvert.OutputCode;
fcConvert.Clear;
pcPages.ActivePage := tsOutput;
pcPagesChange(nil);
CheckInputState;
end;
procedure TfmJCFNotepad.mInputKeyUp(Sender: TObject; var Key: word; Shift: TShiftState);
begin
CheckInputState;
CheckCutPasteState;
end;
procedure TfmJCFNotepad.FormShow(Sender: TObject);
begin
CheckInputState;
CheckCutPasteState;
end;
procedure TfmJCFNotepad.actOpenExecute(Sender: TObject);
begin
OpenDialog1.InitialDir := GetRegSettings.InputDir;
OpenDialog1.Filter := SOURCE_FILE_FILTERS;
if OpenDialog1.Execute then
begin
pcPages.ActivePage := tsInput;
DoFileOpen(OpenDialog1.FileName);
end;
end;
procedure TfmJCFNotepad.actClearExecute(Sender: TObject);
begin
mInput.Text := '';
mOutput.Text := '';
mMessages.Text := '';
pcPages.ActivePage := tsInput;
CheckInputState;
CheckCutPasteState;
end;
procedure TfmJCFNotepad.actSaveExecute(Sender: TObject);
begin
SaveDialog1.InitialDir := GetRegSettings.OutputDir;
SaveDialog1.Title := 'Save output file';
SaveDialog1.Filter := SOURCE_FILE_FILTERS;
if SaveDialog1.Execute then
begin
GetRegSettings.OutputDir := ExtractFilePath(SaveDialog1.FileName);
StringToFile(SaveDialog1.FileName, AnsiString(mOutput.Text));
sb1.Panels[1].Text := 'Saved output: ' + SaveDialog1.FileName;
AddCheckMRU(SaveDialog1.FileName);
end;
end;
procedure TfmJCFNotepad.mnuExitClick(Sender: TObject);
begin
Close;
end;
procedure TfmJCFNotepad.FormCreate(Sender: TObject);
var
lsHelpFile: string;
begin
SetObjectFontToSystemFont(Self);
//lsHelpFile := IncludeTrailingPathDelimiter(ExtractFilePath(Application.ExeName)) + 'CodeFormat.chm';
//lsHelpFile := IncludeTrailingPathDelimiter(ExtractFilePath(GetModuleName(GetModuleHandle('JCFIdeD11.bpl')))) + 'CodeFormat.chm';
lsHelpFile := GetHelpFilePath;
if FileExists(lsHelpFile) then
Application.HelpFile := lsHelpFile;
fcConvert := TConverter.Create;
GetRegSettings.MRUFiles := mruFiles.Strings;
GetRegSettings.ReadAll;
mruFiles.RemoveInvalid;
pcPages.ActivePage := tsInput;
feLastInputContentType := eUnknown;
fsLastInputFileName := '';
CheckSaveEnabled;
end;
procedure TfmJCFNotepad.FormDestroy(Sender: TObject);
begin
GetRegSettings.WriteAll;
GetRegSettings.MRUFiles := nil;
FreeAndNil(fcConvert);
end;
procedure TfmJCFNotepad.actCopyExecute(Sender: TObject);
begin
if pcPages.ActivePage = tsOutput then
mOutput.CopyToClipboard
else
mInput.CopyToClipboard;
end;
procedure TfmJCFNotepad.actPasteExecute(Sender: TObject);
begin
if (pcPages.ActivePage = tsInput) and Clipboard.HasFormat(CF_TEXT) then
begin
mInput.PasteFromClipboard;
CheckInputState;
end;
end;
procedure TfmJCFNotepad.mruFilesClick(Sender: TObject;
const RecentName, Caption: string; UserData: integer);
begin
DoFileOpen(RecentName);
end;
procedure TfmJCFNotepad.mnuEditCopyOutputClick(Sender: TObject);
begin
Clipboard.AsText := mOutput.Text;
end;
procedure TfmJCFNotepad.ActCutExecute(Sender: TObject);
begin
if (pcPages.ActivePage = tsInput) then
begin
mInput.CutToClipboard;
CheckInputState;
end;
end;
procedure TfmJCFNotepad.mnuEditSelectAllClick(Sender: TObject);
begin
if (pcPages.ActivePage = tsInput) then
begin
mInput.SetFocus;
mInput.SelectAll;
CheckCutPasteState;
end
else
begin
mOutput.SetFocus;
mOutput.SelectAll;
end;
end;
procedure TfmJCFNotepad.mnuEditCopyMessagesClick(Sender: TObject);
begin
Clipboard.AsText := mMessages.Text;
end;
procedure TfmJCFNotepad.mnuFileSaveInClick(Sender: TObject);
begin
if fsLastInputFileName <> '' then
begin
SaveInputToFile(fsLastInputFileName);
end;
end;
procedure TfmJCFNotepad.mnuFileSaveInAsClick(Sender: TObject);
begin
SaveDialog1.InitialDir := GetRegSettings.OutputDir;
SaveDialog1.Title := 'Save input file';
SaveDialog1.Filter := SOURCE_FILE_FILTERS;
if SaveDialog1.Execute then
begin
GetRegSettings.OutputDir := ExtractFilePath(SaveDialog1.FileName);
SaveInputToFile(SaveDialog1.FileName);
end;
end;
procedure TfmJCFNotepad.mnuHelpAboutClick(Sender: TObject);
var
lfAbout: TfrmAboutBox;
begin
lfAbout := TfrmAboutBox.Create(self);
try
lfAbout.ShowModal;
finally
lfAbout.Release;
end;
end;
procedure TfmJCFNotepad.mnuShowRegSettingClick(Sender: TObject);
var
lfSettings: TfmRegistrySettings;
begin
lfSettings := TfmRegistrySettings.Create(self);
try
lfSettings.Execute;
finally
lfSettings.Release;
end;
end;
procedure TfmJCFNotepad.mnuFormatSettingsClick(Sender: TObject);
var
lfAllSettings: TFormAllSettings;
begin
lfAllSettings := TFormAllSettings.Create(self);
try
lfAllSettings.Execute;
finally
lfAllSettings.Release;
end;
end;
procedure TfmJCFNotepad.mInputMouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: integer);
begin
CheckCutPasteState;
end;
procedure TfmJCFNotepad.Contents1Click(Sender: TObject);
begin
try
Application.HelpContext(HELP_MAIN);
except
ShellExecute(Handle, 'open', PChar(Application.HelpFile), nil, nil, SW_SHOWNORMAL);
end;
end;
procedure TfmJCFNotepad.FormKeyUp(Sender: TObject; var Key: word; Shift: TShiftState);
begin
if Key = VK_F1 then
try
Application.HelpContext(HELP_MAIN);
except
ShellExecute(Handle, 'open', PChar(Application.HelpFile), nil, nil, SW_SHOWNORMAL);
end;
end;
procedure TfmJCFNotepad.ShowFilePos;
const
POS_NUM_LEN = 4;
var
liX, liY: integer;
lsPos: string;
lsX, lsY: string;
begin
if pcPages.ActivePage = tsInput then
begin
liX := mInput.CaretPos.X;
liY := mInput.CaretPos.Y;
end
else
begin
liX := mOutput.CaretPos.X;
liY := mOutput.CaretPos.Y;
end;
{ index in delphi is 1-based not 0-based,
ie starts at line 1 char 1}
Inc(liX);
Inc(liY);
if liX > 0 then
lsX := StrPadLeft(IntToStr(liX), POS_NUM_LEN, ' ')
else
lsX := '?';
if liY > 0 then
lsY := StrPadLeft(IntToStr(liY), POS_NUM_LEN, ' ')
else
lsY := '?';
lsPos := lsY + ':' + lsX;
sb1.Panels[0].Text := lsPos;
end;
procedure TfmJCFNotepad.SendShowFilePos;
begin
{ send a note to yourself to redisplay this
as soon as the current operation is finished }
PostMessage(Handle, WM_SHOWFILEPOS, 0, 0);
end;
{ triggered by SendShowFilePos }
procedure TfmJCFNotepad.OnReceiveShowFilePos(var msg: TMessage);
begin
ShowFilePos;
end;
procedure TfmJCFNotepad.mOutputKeyUp(Sender: TObject; var Key: word;
Shift: TShiftState);
begin
SendShowFilePos;
end;
procedure TfmJCFNotepad.mInputKeyDown(Sender: TObject; var Key: word;
Shift: TShiftState);
begin
SendShowFilePos;
end;
procedure TfmJCFNotepad.mInputEnter(Sender: TObject);
begin
SendShowFilePos;
end;
procedure TfmJCFNotepad.mOutputEnter(Sender: TObject);
begin
SendShowFilePos;
end;
procedure TfmJCFNotepad.mInputClick(Sender: TObject);
begin
SendShowFilePos;
end;
procedure TfmJCFNotepad.mOutputClick(Sender: TObject);
begin
SendShowFilePos;
end;
procedure TfmJCFNotepad.mInputKeyPress(Sender: TObject; var Key: char);
begin
SendShowFilePos;
end;
procedure TfmJCFNotepad.OnConvertStatusMessage(const psUnit, psMessage: string;
const peMessageType: TStatusMessageType;
const piY, piX: integer);
var
lsWholeMessage: string;
begin
lsWholeMessage := psMessage;
if (piY >= 0) and (piX >= 0) then
lsWholeMessage := lsWholeMessage + ' at line ' + IntToStr(piY) +
' col ' + IntToStr(piX);
mMessages.Lines.Add(lsWholeMessage);
{ make it visible }
if pcPages.ActivePage <> tsOutput then
pcPages.ActivePage := tsOutput;
end;
end.