From 6aeac9d1afaf46d3f1a732a7372f9cd3b9b3601c Mon Sep 17 00:00:00 2001
From: juha <juha@lazarus-ide.org>
Date: Wed, 16 Jul 2014 19:50:21 +0000
Subject: [PATCH] New iProjPack interface for common stuff in project and
 package implementation.

git-svn-id: trunk@45891 -
---
 .gitattributes            |   1 +
 packager/projpackbase.pas | 207 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 208 insertions(+)
 create mode 100644 packager/projpackbase.pas

diff --git a/.gitattributes b/.gitattributes
index 7cb85f43f6..b1a3739437 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -7243,6 +7243,7 @@ packager/pkglinksdlg.pas svneol=native#text/plain
 packager/pkgmanager.pas svneol=native#text/pascal
 packager/pkgvirtualuniteditor.lfm svneol=native#text/plain
 packager/pkgvirtualuniteditor.pas svneol=native#text/pascal
+packager/projpackbase.pas svneol=native#text/pascal
 packager/registration/Makefile.compiled svneol=native#text/plain
 packager/registration/README.txt svneol=native#text/plain
 packager/registration/fcl.lpk svneol=native#text/plain
diff --git a/packager/projpackbase.pas b/packager/projpackbase.pas
new file mode 100644
index 0000000000..3b7245a3a0
--- /dev/null
+++ b/packager/projpackbase.pas
@@ -0,0 +1,207 @@
+unit ProjPackBase;
+
+{$mode objfpc}{$H+}
+{.$INTERFACES CORBA}   // No reference counting for IProjPack. (does not work)
+
+interface
+
+uses
+  Classes, SysUtils,
+  IDEProcs, ProjPackIntf, CompilerOptions,
+  DefineTemplates, CodeToolManager, FileReferenceList;
+
+type
+
+  TProjPackDefineTemplates = class;
+
+  { IProjPack }
+
+  IProjPack = interface
+    function GetIDAsString: string;
+    function GetIDAsWord: string;
+    function GetBaseCompilerOptions: TBaseCompilerOptions;
+    function GetDefineTemplates: TProjPackDefineTemplates;
+    function GetSourceDirectories: TFileReferenceList;
+    //function GetOutputDirectory: string;  // Proj/Pack have different params.
+    function NeedsDefineTemplates: boolean;
+
+    property IDAsString: string read GetIDAsString;
+    property IDAsWord: string read GetIDAsWord;
+    property BaseCompilerOptions: TBaseCompilerOptions read GetBaseCompilerOptions;
+    property SourceDirectories: TFileReferenceList read GetSourceDirectories;
+  end;
+
+  { TProjPackDefineTemplates }
+
+  TProjPackDefineTemplatesFlag = (
+    ptfIsPackageTemplate,
+    ptfFlagsChanged,
+    ptfIDChanged,
+    ptfSourceDirsChanged,
+    ptfOutputDirChanged,
+    ptfCustomDefinesChanged
+    );
+  TProjPackDefineTemplatesFlags = set of TProjPackDefineTemplatesFlag;
+
+  TProjPackDefineTemplates = class
+  private
+    FOwner: IProjPack;
+  protected
+    FActive: boolean;
+    FSrcDirectories: TDefineTemplate;
+    FSrcDirIf: TDefineTemplate;
+    FFlags: TProjPackDefineTemplatesFlags;
+    FMain: TDefineTemplate;
+    FOutputDir: TDefineTemplate;
+    FOutPutSrcPath: TDefineTemplate;
+    FUpdateLock: integer;
+    fLastSourceDirectories: TStringList;
+    fLastOutputDirSrcPathIDAsString: string;
+    fLastSourceDirsIDAsString: string;
+    fLastSourceDirStamp: integer;
+    FLastCustomOptions: string;
+    fLastUnitPath: string;
+    procedure SetActive(const AValue: boolean);
+    procedure UpdateMain; virtual; abstract;
+    procedure UpdateSrcDirIfDef; virtual; abstract;
+    procedure UpdateSourceDirectories; virtual; abstract;
+    procedure UpdateOutputDirectory; virtual; abstract;
+    procedure UpdateDefinesForCustomDefines; virtual; abstract;
+    procedure ClearFlags; virtual; abstract;
+  public
+    constructor Create(AOwner: IProjPack);
+    destructor Destroy; override;
+    procedure Clear;
+    procedure BeginUpdate;
+    procedure EndUpdate;
+    procedure AllChanged; virtual; abstract;
+    procedure IDChanged;
+    procedure SourceDirectoriesChanged;// a source directory was added/deleted
+    procedure CustomDefinesChanged;    // the defines of the source dirs changed
+    procedure OutputDirectoryChanged;// the path or the defines of the output dir changed
+  public
+    property Owner: IProjPack read FOwner;
+    property Main: TDefineTemplate read FMain;
+    property SrcDirectories: TDefineTemplate read FSrcDirectories;
+    property OutputDir: TDefineTemplate read FOutputDir;
+    property OutPutSrcPath: TDefineTemplate read FOutPutSrcPath;
+    property CustomDefines: TDefineTemplate read FSrcDirIf;
+    property Active: boolean read FActive write SetActive;
+  end;
+
+
+implementation
+
+constructor TProjPackDefineTemplates.Create(AOwner: IProjPack);
+begin
+  inherited Create;
+  FOwner:=AOwner;
+end;
+
+destructor TProjPackDefineTemplates.Destroy;
+begin
+  Clear;
+  fLastSourceDirectories.Free;
+  inherited Destroy;
+end;
+
+procedure TProjPackDefineTemplates.Clear;
+begin
+  if FMain<>nil then begin
+    if (CodeToolBoss<>nil) then
+      CodeToolBoss.DefineTree.RemoveDefineTemplate(FMain);
+    FMain:=nil;
+    FSrcDirIf:=nil;
+    FSrcDirectories:=nil;
+    FOutputDir:=nil;
+    FOutPutSrcPath:=nil;
+    fLastOutputDirSrcPathIDAsString:='';
+    FLastCustomOptions:='';
+    fLastUnitPath:='';
+    fLastSourceDirsIDAsString:='';
+    if fLastSourceDirectories<>nil then
+      fLastSourceDirectories.Clear;
+    ClearFlags;
+  end;
+end;
+
+procedure TProjPackDefineTemplates.BeginUpdate;
+begin
+  inc(FUpdateLock);
+end;
+
+procedure TProjPackDefineTemplates.EndUpdate;
+begin
+  if FUpdateLock=0 then RaiseException('TProjectDefineTemplates.EndUpdate');
+  dec(FUpdateLock);
+  if FUpdateLock=0 then begin
+    if ptfIsPackageTemplate in FFlags then begin
+      if ptfIDChanged in FFlags then IDChanged;
+    end;
+    if ptfFlagsChanged in FFlags then CustomDefinesChanged;
+    if ptfSourceDirsChanged in FFlags then SourceDirectoriesChanged;
+    if ptfOutputDirChanged in FFlags then OutputDirectoryChanged;
+    if ptfCustomDefinesChanged in FFlags then CustomDefinesChanged;
+  end;
+end;
+
+procedure TProjPackDefineTemplates.SetActive(const AValue: boolean);
+begin
+  if FActive=AValue then exit;
+  FActive:=AValue;
+  if FActive then
+    AllChanged
+  else
+    Clear;
+end;
+
+procedure TProjPackDefineTemplates.IDChanged;
+begin
+  if FUpdateLock>0 then begin
+    Include(FFlags,ptfIDChanged);
+    exit;
+  end;
+  Exclude(FFlags,ptfIDChanged);
+  UpdateMain;
+  UpdateOutputDirectory;
+  UpdateSourceDirectories;
+  UpdateDefinesForCustomDefines;
+end;
+
+procedure TProjPackDefineTemplates.SourceDirectoriesChanged;
+begin
+  if FUpdateLock>0 then begin
+    Include(FFlags,ptfSourceDirsChanged);
+    exit;
+  end;
+  Exclude(FFlags,ptfSourceDirsChanged);
+  UpdateSourceDirectories;
+  CodeToolBoss.DefineTree.ClearCache;
+end;
+
+procedure TProjPackDefineTemplates.OutputDirectoryChanged;
+begin
+  if FUpdateLock>0 then begin
+    Include(FFlags,ptfOutputDirChanged);
+    exit;
+  end;
+  Exclude(FFlags,ptfOutputDirChanged);
+  UpdateOutputDirectory;
+  CodeToolBoss.DefineTree.ClearCache;
+end;
+
+procedure TProjPackDefineTemplates.CustomDefinesChanged;
+begin
+  if FUpdateLock>0 then begin
+    Include(FFlags,ptfCustomDefinesChanged);
+    exit;
+  end;
+  Exclude(FFlags,ptfCustomDefinesChanged);
+  UpdateDefinesForCustomDefines; // maybe custom defines changed
+  if ptfIsPackageTemplate in FFlags then
+    CodeToolBoss.DefineTree.ClearCache;
+end;
+
+
+end.
+