LazStats: Some tweaks in ChartUnit. Update help file for new chart in PlotXYUnit. Use FileDialog.InitialDir when opening data file.

git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@7627 8e941d3f-bd1b-0410-a28a-d453659cc2b4

applications/lazstats/source/LazStats.lpi

@@ -1396,6 +1396,7 @@
         <Filename Value="forms\misc\chartunit.pas"/>
         <IsPartOfProject Value="True"/>
         <ComponentName Value="ChartForm"/>
+        <HasResources Value="True"/>
         <ResourceBaseClass Value="Form"/>
         <UnitName Value="ChartUnit"/>
       </Unit171>

applications/lazstats/source/forms/analysis/descriptive/plotxyunit.pas

@@ -357,10 +357,8 @@ begin
   ChartForm.Clear;
 
   // Titles
-  ChartForm.SetTitle(Format('X vs. Y plot using file "%s"', [
+  ChartForm.SetTitle('X vs. Y plot using file ' + OS3MainFrm.FileNameEdit.Text);
-    OS3MainFrm.FileNameEdit.Text
+  ChartForm.SetFooter(Format('R(X,Y) = %.3f, Slope = %.3f, Intercept = %.3f', [
-  ]));
-  ChartForm.SetFooter(Format('R(X,Y) = %.3f, Slope = %.2f, Intercept = %.2f', [
     R, Slope, Intercept
   ]));
   ChartForm.SetXTitle(XEdit.Text);

applications/lazstats/source/forms/misc/chartunit.lfm

@@ -1,40 +1,41 @@
 object ChartForm: TChartForm
-  Left = 299
+  Left = 475
-  Height = 518
+  Height = 500
-  Top = 133
+  Top = 183
-  Width = 860
+  Width = 700
   ActiveControl = CloseBtn
   Caption = 'Plot window'
-  ClientHeight = 518
+  ClientHeight = 500
-  ClientWidth = 860
+  ClientWidth = 700
+  OnActivate = FormActivate
   OnCreate = FormCreate
   LCLVersion = '2.1.0.0'
   object ButtonBevel: TBevel
     Left = 0
-    Height = 8
+    Height = 2
-    Top = 468
+    Top = 456
-    Width = 860
+    Width = 700
     Align = alBottom
     Shape = bsBottomLine
   end
   object ButtonPanel: TPanel
     Left = 8
     Height = 26
-    Top = 484
+    Top = 466
-    Width = 844
+    Width = 684
     Align = alBottom
     AutoSize = True
     BorderSpacing.Around = 8
     BevelOuter = bvNone
     ClientHeight = 26
-    ClientWidth = 844
+    ClientWidth = 684
-    TabOrder = 1
+    TabOrder = 0
     object PrintBtn: TButton
       AnchorSideLeft.Control = ButtonPanel
       AnchorSideLeft.Side = asrCenter
       AnchorSideTop.Control = ButtonPanel
       AnchorSideTop.Side = asrCenter
-      Left = 397
+      Left = 317
       Height = 25
       Top = 1
       Width = 51
@@ -49,7 +50,7 @@ object ChartForm: TChartForm
       AnchorSideTop.Control = ButtonPanel
       AnchorSideTop.Side = asrCenter
       AnchorSideRight.Control = PrintBtn
-      Left = 299
+      Left = 219
       Height = 25
       Top = 1
       Width = 86
@@ -65,7 +66,7 @@ object ChartForm: TChartForm
       AnchorSideTop.Control = ButtonPanel
       AnchorSideTop.Side = asrCenter
       AnchorSideRight.Side = asrBottom
-      Left = 460
+      Left = 380
       Height = 25
       Top = 1
       Width = 55
@@ -77,47 +78,66 @@ object ChartForm: TChartForm
       TabOrder = 2
     end
   end
-  object Chart: TChart
+  object Panel1: TPanel
     Left = 6
-    Height = 456
+    Height = 444
     Top = 6
-    Width = 848
+    Width = 688
-    AxisList = <    
-      item
-        Grid.Color = clSilver
-        Grid.Style = psSolid
-        Grid.Visible = False
-        Marks.LabelBrush.Style = bsClear
-        Minors = <>
-        Title.LabelFont.Orientation = 900
-        Title.LabelFont.Style = [fsBold]
-        Title.LabelBrush.Style = bsClear
-      end    
-      item
-        Grid.Color = clSilver
-        Grid.Style = psSolid
-        Grid.Visible = False
-        Alignment = calBottom
-        Marks.LabelBrush.Style = bsClear
-        Minors = <>
-        Title.LabelFont.Style = [fsBold]
-        Title.LabelBrush.Style = bsClear
-      end>
-    BackColor = clWhite
-    Foot.Brush.Color = clBtnFace
-    Foot.Font.Color = clBlue
-    Margins.Left = 8
-    Margins.Top = 8
-    Margins.Right = 8
-    Margins.Bottom = 8
-    Title.Brush.Color = clBtnFace
-    Title.Font.Color = clBlue
-    Title.Font.Style = [fsBold]
-    Title.Text.Strings = (
-      'TAChart'
-    )
     Align = alClient
     BorderSpacing.Around = 6
+    BevelOuter = bvNone
+    BorderStyle = bsSingle
+    Caption = 'Panel1'
+    ClientHeight = 440
+    ClientWidth = 684
+    Color = clWhite
+    ParentColor = False
+    TabOrder = 1
+    object Chart: TChart
+      Left = 6
+      Height = 428
+      Top = 6
+      Width = 672
+      AxisList = <      
+        item
+          Grid.Color = clSilver
+          Grid.Style = psSolid
+          Grid.Visible = False
+          Marks.LabelBrush.Style = bsClear
+          Minors = <>
+          Title.LabelFont.Orientation = 900
+          Title.LabelFont.Style = [fsBold]
+          Title.LabelBrush.Style = bsClear
+        end      
+        item
+          Grid.Color = clSilver
+          Grid.Style = psSolid
+          Grid.Visible = False
+          Alignment = calBottom
+          Marks.LabelBrush.Style = bsClear
+          Minors = <>
+          Title.LabelFont.Style = [fsBold]
+          Title.LabelBrush.Style = bsClear
+        end>
+      BackColor = clWhite
+      Foot.Brush.Color = clBtnFace
+      Foot.Brush.Style = bsClear
+      Foot.Font.Color = clBlue
+      Margins.Left = 8
+      Margins.Top = 8
+      Margins.Right = 8
+      Margins.Bottom = 8
+      Title.Brush.Color = clBtnFace
+      Title.Brush.Style = bsClear
+      Title.Font.Color = clBlue
+      Title.Font.Style = [fsBold]
+      Title.Text.Strings = (
+        'TAChart'
+      )
+      Align = alClient
+      BorderSpacing.Around = 6
+      Color = clWhite
+    end
   end
   object SavePictureDialog: TSavePictureDialog
     Filter = 'Graphic (*.png;*.bmp;*.jpeg;*.jpg;*.jpe;*.jfif;*.svg)|*.png;*.bmp;*.jpeg;*.jpg;*.jpe;*.jfif;*.svg|Portable Network Graphic (*.png)|*.png|Bitmaps (*.bmp)|*.bmp|Joint Picture Expert Group (*.jpeg;*.jpg;*.jpe;*.jfif)|*.jpeg;*.jpg;*.jpe;*.jfif|Scaleable Vector Graphic (*.svg)|*.svg|All Files (*.*)|*.*'

applications/lazstats/source/forms/misc/chartunit.pas

@@ -21,10 +21,12 @@ type
     Chart: TChart;
     CloseBtn: TButton;
     ButtonPanel: TPanel;
+    Panel1: TPanel;
     PrintBtn: TButton;
     PrintDialog: TPrintDialog;
     SaveBtn: TButton;
     SavePictureDialog: TSavePictureDialog;
+    procedure FormActivate(Sender: TObject);
     procedure FormCreate(Sender: TObject);
     procedure PrintBtnClick(Sender: TObject);
     procedure SaveBtnClick(Sender: TObject);
@@ -58,7 +60,7 @@ implementation
 {$R *.lfm}
 
 uses
-  Math, Printers, //OSPrinters,
+  Math, Printers, OSPrinters,
   TAChartUtils, TATypes, TADrawerSVG, TAPrint;
 
 { TChartForm }
@@ -72,6 +74,16 @@ begin
   Chart.LeftAxis.Title.Caption := '';
 end;
 
+procedure TChartForm.FormActivate(Sender: TObject);
+var
+  w: Integer;
+begin
+  w := MaxValue([SaveBtn.Width, PrintBtn.Width, CloseBtn.Width]);
+  SaveBtn.Constraints.MinWidth := w;
+  PrintBtn.Constraints.MinWidth := w;
+  CloseBtn.Constraints.MinWidth := w;
+end;
+
 procedure TChartForm.FormCreate(Sender: TObject);
 begin
   Clear;

applications/lazstats/source/units/dataprocs.pas

@@ -278,11 +278,18 @@ end;
 
 procedure OpenOS2File;
 begin
-  OS3MainFrm.OpenDialog1.DefaultExt := '.laz';
+  with OS3MainFrm.OpenDialog1 do
-  OS3MainFrm.OpenDialog1.Filter := 'LazStats files (*.laz)|*.laz;*.LAZ|All files (*.*)|*.*';
+  begin
-  OS3MainFrm.OpenDialog1.FilterIndex := 1;
+    DefaultExt := '.laz';
-  if OS3MainFrm.OpenDialog1.Execute then
+    Filter := 'LazStats files (*.laz)|*.laz;*.LAZ|All files (*.*)|*.*';
-    OpenOS2File(OS3MainFrm.OpenDialog1.FileName, true);
+    if InitialDir = '' then
+      InitialDir := Globals.Options.DefaultDataPath;
+    FilterIndex := 1;
+    if Execute then begin
+      OpenOS2File(FileName, true);
+      InitialDir := ExtractFilePath(FileName);
+    end;
+  end;
 end;
 
 procedure OpenOS2File(const AFileName: String; ShowDictionaryForm: Boolean);