Quellcodebibliothek Frame11.pas Sprache: Delphi

//-----------------------------------------------------------------
//ToDo
//
//1. .....
//
//-------------------------------------------------------------------
unit Frame11;
//----------------------------------------------------------------------------
//
//----------------------------------------------------------------------------
interface
//----------------------------------------------------------------------------
//
//----------------------------------------------------------------------------
uses
  //----------------------------------------------------------------------------
  //locals
  //----------------------------------------------------------------------------
  OwnUtils,GenDefs,Utilities,OptionClass,MDIClass,
  //----------------------------------------------------------------------------
  //globals
  //----------------------------------------------------------------------------
  Forms,ComCtrls,ExtCtrls,Classes,Controls,Types,ImgList;
//----------------------------------------------------------------------------
//
//----------------------------------------------------------------------------
type
  TFrame1= class(TFrame)
    Navigator:TTreeView;
    Semantik:TTreeView;
    Explorer:TTreeView;
    PageControl1:TPageControl;
    NavigatorTab:TTabSheet;
    SemantikTab:TTabSheet;
    ExplorerTab:TTabSheet;
    Inspector:TListView;
    SplitterInspector:TSplitter;
    StatusBar1:TStatusBar;
    PageControl2:TPageControl;
    TabSheet1:TTabSheet;
    constructor Create(Owner:TComponent);override;
    destructor Destroy;override;
    procedure Loader(Froot:JString;ImgL:TImageList);
    procedure SetHints();
    procedure PrintIt;
    procedure FindText(TS:TTreeView;Tx:JString);
    procedure FindPosition(var TS:TTreeView;Pos:TPoint);
    procedure positbyText(Find:JString);
    procedure positbyNode(SN:JString;Sender:TObject);
    procedure positbyPoint(P:TPoint;Fnr:integer);
    procedure positbyIndex(Nr:integer);
    function CreateSem(CSem:PAnsiChar):PLongTexts;
    function CreateNav(CNav:PAnsiChar):PLongTexts;
    procedure TreeClick(Sender:TObject);
    procedure ScanSources(var T:TTreeView);
    procedure ShowErrorMessages();
    procedure PrintInspector(var RE:TRichEdit);
  private
  public
    RootFile:JString;
    KeyFound:boolean;
    LastText:JString;
    LastIndex:integer;
    LastNavSelected:TTreeNode;
    LastSemSelected:TTreeNode;
    FileCount:integer;
    Key:JString;
  end;
  //----------------------------------------------------------------------------
  //
  //----------------------------------------------------------------------------
implementation
uses
  //----------------------------------------------------------------------------
  //specific
  //----------------------------------------------------------------------------
  Windows,Messages,SysUtils,Variants,Graphics,Dialogs,StdCtrls,Grids,
  Math,Printers,StrUtils;
//----------------------------------------------------------------------------
//
//----------------------------------------------------------------------------
{$R *.dfm}
//------------------------------------------------------------------ }
//-                                                                - }
//-   construct                                                    - }
//-                                                                - }
//------------------------------------------------------------------ }
constructor TFrame1.Create(Owner:TComponent);
begin
  inherited Create(Owner);
  LastText:='';
  LastIndex:=0;
  FileCount:=0;
  Inspector.columns[1].MaxWidth:=Width-Inspector.columns[0].MaxWidth;
  LastNavSelected:=nil;
  LastSemSelected:=nil;
end;
//------------------------------------------------------------------ }
//-                                                                - }
//-   construct                                                    - }
//-                                                                - }
//------------------------------------------------------------------ }
destructor TFrame1.Destroy;
begin
  inherited Free;
end;
//------------------------------------------------------------------ }
//-                                                                - }
//-   Loader                                                       - }
//-                                                                - }
//------------------------------------------------------------------ }
procedure TFrame1.Loader(Froot:JString;ImgL:TImageList);
begin
  Im_Root:=62;
  Im_Branch:=62;
  Im_Level:=62;
  Im_State:=62;
  im_Error:=0;
  Navigator.Images:=nil;
  Navigator.StateImages:=nil;
  Navigator.Font.Color:=opt.R.FontColor;
  Navigator.Font.Style:=opt.R.FontStyle;
  FileCount:=0;
  Explorer.Items.Clear;
  PageControl1.ActivePage:=opt.R.Explorer.Sheet;
  if not Empty(MDI.CNav,opt.R.Navigator) then begin
    MDI.NavL:=CreateNav(MDI.CNav);
    Navigator.ReadOnly:=true;
  end
  else begin //lex only?
    if Navigator<>nil then
      Navigator.Items.Clear;
    ScanSources(Explorer);
  end;
  if not Empty(MDI.CSem,opt.R.Semantik) then begin
    Semantik.Items.Clear;
    MDI.Seml:=CreateSem(MDI.CSem);
    SemantikTab.Enabled:=true;
    Semantik.ReadOnly:=true;
  end
  else begin
    if Semantik<>nil then
      Semantik.Items.Clear;
  end;
  RootFile:=Froot;
  //set read only
  Explorer.ReadOnly:=true;
  if MDI.ReturnValue<>0 then
    ShowErrorMessages();
  SetHints();
  BringToFront;
  Realign;
end;
//------------------------------------------------------------------ }
//-                                                                - }
//-   SetHints                                                     - }
//-                                                                - }
//------------------------------------------------------------------ }
procedure TFrame1.ShowErrorMessages();
var
  ti,mn:TTreeNode;
begin
  if Navigator<>nil then begin
    Navigator.ReadOnly:=false;
    mn:=nil;
    ti:=Navigator.TopItem;
    while ti<>nil do begin
      if Pos('Meldungen',ti.Text)>0 then begin
        Navigator.Selected:=ti;
        mn:=ti;
      end;
      ti:=ti.GetNext;
    end;
    Navigator.Font.Color:=clred;
    if mn<>nil then begin
      //Navigator.TopItem.Collapse(true);
      Navigator.Selected:=mn;
      mn.Expand(true);
      if (mn.HasChildren) then
           mn.getFirstChild.Expand(true);
    end;
    Navigator.ReadOnly:=true;
  end;
end;
//----------------------------------------------------------------------------
//-   display Inspector fot print                                            -
//-                                                                -
//----------------------------------------------------------------------------
procedure TFrame1.PrintInspector(var RE:TRichEdit);
var
  i,j:integer;
  rec:String;
  S:TStrings;
begin
  RE.Lines.Clear;
  with Inspector do begin
    for i:=0 to Items.Count-1 do begin
      rec:=Items[i].Caption;
      rec:=rec+'=';
      S:=Items[i].SubItems;
      for j:=0 to S.Count-1 do
        if j>0 then rec:=rec+', '+S[j]
        else Rec:=Rec+S[j];
      RE.Lines.Add(rec);
    end;
  end;
end;
//------------------------------------------------------------------ }
//-                                                                - }
//-   SetHints                                                     - }
//-                                                                - }
//------------------------------------------------------------------ }
procedure TFrame1.SetHints();
begin
  if Navigator<>nil then
    if Navigator.TopItem<>nil then
      Navigator.Hint:=HintBox('Navigation'+crlf+Navigator.TopItem.Text);
  if Semantik<>nil then
    if Semantik.TopItem<>nil then
      Semantik.Hint:=HintBox('Semantik'+crlf+Semantik.TopItem.Text);
  if Explorer<>nil then
    if Explorer.TopItem<>nil then
      Explorer.Hint:=HintBox('Explorer'+crlf+ExtractFileDir(RootFile));
end;
//------------------------------------------------------------------ }
//-                                                                - }
//-   Printer                                                      - }
//-                                                                - }
//------------------------------------------------------------------ }
procedure TFrame1.PrintIt();
begin
  if InSight(opt.R.Navigator) then
    errorn(141,'Bitte auf das zu druckende Element fokussieren.')
  else if InSight(opt.R.Semantik) then
    errorn(141,'Bitte auf das zu druckende Element fokussieren.')
  else if InSight(opt.R.Explorer) then
    errorn(141,'Bitte auf das zu druckende Element fokussieren.')
end;
//------------------------------------------------------------------ }
//-                                                                - }
//-   create PL treee                                              - }
//-                                                                - }
//------------------------------------------------------------------ }
function TFrame1.CreateSem(CSem:PAnsiChar):PLongTexts;
var
  TSEM:PLongTexts;
begin
  if not Empty(CSem,opt.R.Semantik) then
    LoadFromStream(Semantik,CSem,Im_Root,Im_Level,Im_Branch)
  else
    Semantik.Items.Add(nil,makexmlnode('leer',1,1,1));
  TSEM:=TreeHide(Semantik);
  if Semantik.TopItem<>nil then
    if Semantik.TopItem.GetNext<>nil then
      Semantik.TopItem.GetNext.Selected:=true
    else
      Semantik.TopItem.Selected:=true;
  CreateSem:=TSEM;
end;
//------------------------------------------------------------------ }
//-                                                                - }
//-   create Nav tree                                               - }
//-                                                                - }
//------------------------------------------------------------------ }
function TFrame1.CreateNav(CNav:PAnsiChar):PLongTexts;
var
  TNAV:PLongTexts;
begin
  Navigator.Hide;
  Navigator.Items.Clear;
  if not Empty(CNav,opt.R.Navigator) then begin
    LoadFromStream(Navigator,CNav,Im_Root,Im_Level,Im_Branch);
    ScanSources(Explorer);
  end
  else
    Navigator.Items.Add(nil,makexmlnode('leer',1,1,1));
  TNAV:=TreeHide(Navigator);
  if Navigator.TopItem<>nil then
    Navigator.TopItem.Selected:=true;
  Navigator.show;
  CreateNav:=TNAV
end;
//------------------------------------------------------------------ }
//-                                                                - }
//-   scan sources                                                 - }
//-                                                                - }
//------------------------------------------------------------------ }
procedure TFrame1.ScanSources(var T:TTreeView);
var
  temp:TTreeNode;
  i:integer;
  SH:JString;
begin
  T.Items.Clear;
  for i:=0 to Length(MDI.Source)-1 do
    if MDI.Source[i].Name<>'' then begin
      SH:=ExtractFileName(MDI.Source[i].Name);
      if T.TopItem=nil then begin
        temp:=T.Items.AddFirst(T.TopItem,SH);
        temp.ImageIndex:=Im_Root;
        temp.SelectedIndex:=Im_Root;
        temp.StateIndex:=Im_Root;
      end
      else begin
        temp:=T.Items.AddChild(T.TopItem,SH);
        temp.ImageIndex:=Im_Branch;
        temp.SelectedIndex:=Im_Branch;
        temp.StateIndex:=Im_Branch;
      end
    end;
end;
//------------------------------------------------------------------ }
//-                                                                - }
//-   posit posit by text                                     - }
//-                                                                - }
//------------------------------------------------------------------ }
procedure TFrame1.positbyText(Find:JString);
begin
  if Navigator.Items.Count>0 then begin
    Screen.Cursor:=crHourGlass;
    if InSight(opt.R.Navigator) then
      FindText(Navigator,Find);
    if InSight(opt.R.Semantik) then
      FindText(Semantik,Find);
    if InSight(opt.R.Explorer) then
      FindText(Navigator,Find);
    Screen.Cursor:=crHourGlass;
  end;
end;
//------------------------------------------------------------------ }
//-                                                                - }
//-   posit posit by lnr, col                                 - }
//-                                                                - }
//------------------------------------------------------------------ }
procedure TFrame1.positbyNode(SN:JString;Sender:TObject);
var
  P:TPoint;
  Fil:JString;
begin
  if (SN<>'')and(Navigator.Items.Count>0) then begin
    Screen.Cursor:=crHourGlass;
    Fil:=getpar(S_Fil,SN);
    P.Y:=strtoint(getpar(S_Lin,SN));
    P.X:=strtoint(getpar(S_Col,SN));
    if (Sender<>Navigator)and InSight(opt.R.Navigator) then
      FindPosition(Navigator,P);
    if (Sender<>Semantik)and InSight(opt.R.Semantik) then
      FindPosition(Semantik,P);
    if (Sender<>Explorer)and InSight(opt.R.Explorer) then
      FindPosition(Navigator,P);
    Screen.Cursor:=crdefault;
  end
end;
//------------------------------------------------------------------ }
//-                                                                - }
//-   posit posit by Point in file                            - }
//-                                                                - }
//------------------------------------------------------------------ }
procedure TFrame1.positbyPoint(P:TPoint;Fnr:integer);
begin
  if (Navigator.Items.Count>0) then begin
    Screen.Cursor:=crHourGlass;
    if InSight(opt.R.Navigator) then
      FindPosition(Navigator,P)
    else if InSight(opt.R.Semantik) then
      FindPosition(Semantik,P)
    else if InSight(opt.R.Explorer) then
      FindPosition(Navigator,P);
    Screen.Cursor:=crdefault;
  end;
end;
//------------------------------------------------------------------ }
//-                                                                - }
//-   posit posit by Point in file                            - }
//-                                                                - }
//------------------------------------------------------------------ }
procedure TFrame1.positbyIndex(Nr:integer);
begin
  if InSight(opt.R.Navigator) then begin
    if (Navigator.Items.Count>Nr) then
      Navigator.Selected:=Navigator.Items[Nr]
  end
  else if InSight(opt.R.Semantik) then begin
    if (Semantik.Items.Count>Nr) then
      Semantik.Selected:=Semantik.Items[Nr];
  end
  else
  end;
  //------------------------------------------------------------------ }
  //-                                                                - }
  //-   fin by lnr, col                                              - }
  //-                                                                - }
  //------------------------------------------------------------------ }
  procedure TFrame1.FindPosition(var TS:TTreeView;Pos:TPoint);
  var
    tt:LongText;
    tm:integer;
    Tx,P,Q,F,Fil:JString;
    li,co,dsm,i:integer;
    Tree:PLongTexts;
  begin
    if TS=Navigator then
      Tree:=MDI.NavL
    else
      Tree:=MDI.Seml;
    if Tree<>nil then begin
      Fil:=lowercase(IntToStr(MDI.Fnr));
      dsm:=80*80;
      tm:=-1;
      if Tree.Items<>nil then begin
        i:=0;
        tt:=Tree.Items[i];
        Tree.Selected:=Tree.Items[0].Ptr;
        while (i<Length(Tree.Items)) do begin
          tt:=Tree.Items[i];
          Tx:=tt.Text;
          P:=getpar(S_Lin,Tx);
          TryStrtoint(P,li);
          Q:=getpar(S_Col,Tx);
          TryStrtoint(Q,co);
          F:=lowercase(getpar(S_Fil,Tx));
          if (F=Fil)and(abs(Pos.Y-li)<dsm)and(Pos.Y<>0) then begin
            dsm:=abs(Pos.Y-li);
            tm:=i
          end;
          i:=i+1;
        end
      end;
      if tm<>-1 then begin
        TS.Selected:=Tree.Items[tm].Ptr;
        if TS.Selected<>nil then
          TS.Selected.MakeVisible;
        TS.AutoExpand:=true;
        LastIndex:=tm;
        KeyFound:=true;
        LastText:=Functor(Tree.Items[tm].Text)
      end
    end;
  end;
  //------------------------------------------------------------------ }
  //-                                                                - }
  //-   find by text                                                 - }
  //-                                                                - }
  //------------------------------------------------------------------ }
  procedure TFrame1.FindText(TS:TTreeView;Tx:JString);
  var
    tt:LongText;
    i:integer;
    tm:integer;
    foundlast:boolean;
    Tree:PLongTexts;
  begin
    if TS=Navigator then
      Tree:=MDI.NavL
    else
      Tree:=MDI.Seml;
    KeyFound:=false;
    tm:=-1;
    if (Tree<>nil)and(Tx>'')and(Length(Tree^.Items)>1) then begin
      i:=1;
      foundlast:=false;
      if LastText=Tx then begin //Find Text beyond last Position
        foundlast:=true;
        i:=LastIndex+1
      end;
      tt:=Tree^.Items[i];
      while (i<Length(Tree^.Items))and(tm<0) do begin
        if Pos(Tx,Functor(tt.Text))>0 then begin
          tm:=i;
        end;
        if i<Length(Tree^.Items) then begin
          tt:=Tree^.Items[i];
          i:=i+1;
        end;
      end;
      if (tm>=0)and foundlast then begin
        //Wrap around
        i:=0;
        while (i<Length(Tree^.Items)) do begin
          if Pos(Tx,Functor(tt.Text))>0 then begin
            tm:=i;
          end;
          i:=i+1;
          tt:=Tree^.Items[i];
        end;
      end;
      if tm<>-1 then begin
        TS.Selected:=Tree^.Items[tm].Ptr;
        LastIndex:=tm;
        KeyFound:=true;
        LastText:=Functor(Tree^.Items[tm].Text)
      end
    end;
  end;
  //------------------------------------------------------------------ }
  //-                                                                - }
  //-   click on PL                                                  - }
  //-                                                                - }
  //------------------------------------------------------------------ }
  procedure TFrame1.TreeClick(Sender:TObject);
  begin
    if Sender=Navigator then
      Key:=Longeur(MDI.NavL,Navigator.Selected)
    else
      Key:=Longeur(MDI.Seml,Semantik.Selected);
  end;
  //------------------------------------------------------------------ }
  //-                                                                - }
  //-   Ende dieser Quelle                                           - }
  //-                                                                - }
  //------------------------------------------------------------------ }
end.

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