tvplanit: add demo for sqlite3datastore (based on SQLDB)

git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@4769 8e941d3f-bd1b-0410-a28a-d453659cc2b4

components/tvplanit/examples/sqlite3datastore/project1.lpi

@@ -0,0 +1,93 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<CONFIG>
+  <ProjectOptions>
+    <Version Value="9"/>
+    <PathDelim Value="\"/>
+    <General>
+      <SessionStorage Value="InProjectDir"/>
+      <MainUnit Value="0"/>
+      <Title Value="project1"/>
+      <ResourceType Value="res"/>
+      <UseXPManifest Value="True"/>
+    </General>
+    <VersionInfo>
+      <StringTable ProductVersion=""/>
+    </VersionInfo>
+    <BuildModes Count="1">
+      <Item1 Name="Default" Default="True"/>
+    </BuildModes>
+    <PublishOptions>
+      <Version Value="2"/>
+    </PublishOptions>
+    <RunParams>
+      <local>
+        <FormatVersion Value="1"/>
+      </local>
+    </RunParams>
+    <RequiredPackages Count="6">
+      <Item1>
+        <PackageName Value="SQLDBLaz"/>
+      </Item1>
+      <Item2>
+        <PackageName Value="laz_visualplanit_sqlite3"/>
+      </Item2>
+      <Item3>
+        <PackageName Value="laz_visualplanit_zeos"/>
+      </Item3>
+      <Item4>
+        <PackageName Value="laz_visualplanit"/>
+      </Item4>
+      <Item5>
+        <PackageName Value="zcomponent"/>
+      </Item5>
+      <Item6>
+        <PackageName Value="LCL"/>
+      </Item6>
+    </RequiredPackages>
+    <Units Count="2">
+      <Unit0>
+        <Filename Value="project1.lpr"/>
+        <IsPartOfProject Value="True"/>
+      </Unit0>
+      <Unit1>
+        <Filename Value="unit1.pas"/>
+        <IsPartOfProject Value="True"/>
+        <ComponentName Value="Form1"/>
+        <HasResources Value="True"/>
+        <ResourceBaseClass Value="Form"/>
+        <UnitName Value="Unit1"/>
+      </Unit1>
+    </Units>
+  </ProjectOptions>
+  <CompilerOptions>
+    <Version Value="11"/>
+    <PathDelim Value="\"/>
+    <Target>
+      <Filename Value="project1"/>
+    </Target>
+    <SearchPaths>
+      <IncludeFiles Value="$(ProjOutDir)"/>
+      <UnitOutputDirectory Value="lib\$(TargetCPU)-$(TargetOS)"/>
+    </SearchPaths>
+    <Linking>
+      <Options>
+        <Win32>
+          <GraphicApplication Value="True"/>
+        </Win32>
+      </Options>
+    </Linking>
+  </CompilerOptions>
+  <Debugging>
+    <Exceptions Count="3">
+      <Item1>
+        <Name Value="EAbort"/>
+      </Item1>
+      <Item2>
+        <Name Value="ECodetoolError"/>
+      </Item2>
+      <Item3>
+        <Name Value="EFOpenError"/>
+      </Item3>
+    </Exceptions>
+  </Debugging>
+</CONFIG>

components/tvplanit/examples/sqlite3datastore/project1.lpr

@@ -0,0 +1,21 @@
+program project1;
+
+{$mode objfpc}{$H+}
+
+uses
+  {$IFDEF UNIX}{$IFDEF UseCThreads}
+  cthreads,
+  {$ENDIF}{$ENDIF}
+  Interfaces, // this includes the LCL widgetset
+  Forms, Unit1, laz_visualplanit, zcomponent
+  { you can add units after this };
+
+{$R *.res}
+
+begin
+  RequireDerivedFormResource := True;
+  Application.Initialize;
+  Application.CreateForm(TForm1, Form1);
+  Application.Run;
+end.
+

components/tvplanit/examples/sqlite3datastore/unit1.lfm

@@ -0,0 +1,321 @@
+object Form1: TForm1
+  Left = 225
+  Height = 686
+  Top = 155
+  Width = 980
+  Caption = 'Form1'
+  ClientHeight = 686
+  ClientWidth = 980
+  OnCreate = FormCreate
+  LCLVersion = '1.7'
+  object Panel1: TPanel
+    Left = 0
+    Height = 34
+    Top = 0
+    Width = 980
+    Align = alTop
+    BevelOuter = bvNone
+    ClientHeight = 34
+    ClientWidth = 980
+    TabOrder = 0
+    object VpResourceCombo1: TVpResourceCombo
+      Left = 8
+      Height = 23
+      Top = 5
+      Width = 208
+      DataStore = VpSqlite3Datastore1
+      Style = csDropDownList
+    end
+    object BtnNewRes: TButton
+      Left = 222
+      Height = 25
+      Top = 4
+      Width = 99
+      Caption = 'New resource'
+      OnClick = BtnNewResClick
+      TabOrder = 1
+    end
+    object BtnEditRes: TButton
+      Left = 328
+      Height = 25
+      Top = 4
+      Width = 96
+      Caption = 'Edit resource'
+      OnClick = BtnEditResClick
+      TabOrder = 2
+    end
+  end
+  object PageControl1: TPageControl
+    Left = 0
+    Height = 652
+    Top = 34
+    Width = 980
+    ActivePage = TabSheet1
+    Align = alClient
+    TabIndex = 0
+    TabOrder = 1
+    object TabSheet1: TTabSheet
+      Caption = 'Events and tasks'
+      ClientHeight = 624
+      ClientWidth = 972
+      object VpDayView1: TVpDayView
+        Left = 0
+        Height = 624
+        Top = 0
+        Width = 301
+        DataStore = VpSqlite3Datastore1
+        ControlLink = VpControlLink1
+        Color = clWindow
+        Align = alLeft
+        ReadOnly = False
+        TabStop = True
+        TabOrder = 0
+        AllDayEventAttributes.BackgroundColor = clBtnShadow
+        AllDayEventAttributes.EventBorderColor = cl3DDkShadow
+        AllDayEventAttributes.EventBackgroundColor = clBtnFace
+        ShowEventTimes = False
+        DrawingStyle = dsFlat
+        TimeSlotColors.Active = clWhite
+        TimeSlotColors.Inactive = 8454143
+        TimeSlotColors.Holiday = 16744703
+        TimeSlotColors.Weekday = clWhite
+        TimeSlotColors.Weekend = 16777088
+        TimeSlotColors.ActiveRange.RangeBegin = h_00
+        TimeSlotColors.ActiveRange.RangeEnd = h_00
+        HeadAttributes.Font.Height = -13
+        HeadAttributes.Color = clBtnFace
+        RowHeadAttributes.HourFont.Height = -24
+        RowHeadAttributes.MinuteFont.Height = -12
+        RowHeadAttributes.Color = clBtnFace
+        ShowResourceName = True
+        LineColor = clGray
+        GutterWidth = 7
+        DateLabelFormat = 'dddd, mmmm dd, yyyy'
+        Granularity = gr30Min
+        DefaultTopHour = h_07
+        TimeFormat = tf12Hour
+      end
+      object Panel2: TPanel
+        Left = 306
+        Height = 624
+        Top = 0
+        Width = 386
+        Align = alLeft
+        BevelOuter = bvNone
+        Caption = 'Panel2'
+        ClientHeight = 624
+        ClientWidth = 386
+        TabOrder = 1
+        object VpWeekView1: TVpWeekView
+          Left = 0
+          Height = 378
+          Top = 0
+          Width = 386
+          DataStore = VpSqlite3Datastore1
+          ControlLink = VpControlLink1
+          Color = clWindow
+          AllDayEventAttributes.BackgroundColor = clWindow
+          AllDayEventAttributes.EventBorderColor = clGray
+          AllDayEventAttributes.EventBackgroundColor = clBtnFace
+          Align = alClient
+          TabStop = True
+          TabOrder = 0
+          DateLabelFormat = 'dddd, mmmm dd, yyyy'
+          DayHeadAttributes.Color = clBtnFace
+          DayHeadAttributes.DateFormat = 'dddd mmmm, dd'
+          DayHeadAttributes.Font.Height = -13
+          DayHeadAttributes.Font.Name = 'Tahoma'
+          DayHeadAttributes.Bordered = True
+          DrawingStyle = dsFlat
+          HeadAttributes.Color = clBtnFace
+          LineColor = clGray
+          TimeFormat = tf12Hour
+          ShowEventTime = True
+          WeekStartsOn = dtMonday
+        end
+        object VpMonthView1: TVpMonthView
+          Left = 0
+          Height = 241
+          Top = 383
+          Width = 386
+          DataStore = VpSqlite3Datastore1
+          ControlLink = VpControlLink1
+          Color = clWindow
+          Align = alBottom
+          TabStop = True
+          TabOrder = 1
+          KBNavigation = True
+          DateLabelFormat = 'mmmm yyyy'
+          DayHeadAttributes.Color = clBtnFace
+          DayHeadAttributes.Font.Height = -13
+          DayHeadAttributes.Font.Name = 'Tahoma'
+          DayNameStyle = dsShort
+          DrawingStyle = dsFlat
+          EventDayStyle = []
+          LineColor = clGray
+          TimeFormat = tf12Hour
+          OffDayColor = clSilver
+          SelectedDayColor = clRed
+          ShowEvents = True
+          ShowEventTime = False
+          WeekStartsOn = dtSunday
+        end
+        object Splitter2: TSplitter
+          Cursor = crVSplit
+          Left = 0
+          Height = 5
+          Top = 378
+          Width = 386
+          Align = alBottom
+          ResizeAnchor = akBottom
+        end
+      end
+      object VpTaskList1: TVpTaskList
+        Left = 697
+        Height = 624
+        Top = 0
+        Width = 275
+        DataStore = VpSqlite3Datastore1
+        ControlLink = VpControlLink1
+        Color = clWindow
+        Align = alClient
+        TabStop = True
+        TabOrder = 2
+        ReadOnly = False
+        DisplayOptions.CheckBGColor = clWindow
+        DisplayOptions.CheckColor = cl3DDkShadow
+        DisplayOptions.CheckStyle = csCheck
+        DisplayOptions.DueDateFormat = 'dd.MM.yyyy'
+        DisplayOptions.ShowCompletedTasks = False
+        DisplayOptions.ShowAll = False
+        DisplayOptions.ShowDueDate = True
+        DisplayOptions.OverdueColor = clRed
+        DisplayOptions.NormalColor = clBlack
+        DisplayOptions.CompletedColor = clGray
+        LineColor = clGray
+        MaxVisibleTasks = 250
+        TaskHeadAttributes.Color = clSilver
+        DrawingStyle = dsFlat
+        ShowResourceName = True
+      end
+      object Splitter1: TSplitter
+        Left = 692
+        Height = 624
+        Top = 0
+        Width = 5
+      end
+      object Splitter3: TSplitter
+        Left = 301
+        Height = 624
+        Top = 0
+        Width = 5
+      end
+    end
+    object TabSheet2: TTabSheet
+      Caption = 'Contacts'
+      ClientHeight = 594
+      ClientWidth = 928
+      object VpContactButtonBar1: TVpContactButtonBar
+        Left = 0
+        Height = 594
+        Top = 0
+        Width = 40
+        DrawingStyle = dsFlat
+        RadioStyle = False
+        Align = alLeft
+      end
+      object VpContactGrid1: TVpContactGrid
+        Left = 40
+        Height = 594
+        Top = 0
+        Width = 888
+        DataStore = VpSqlite3Datastore1
+        ControlLink = VpControlLink1
+        Color = clWindow
+        Align = alClient
+        TabStop = True
+        TabOrder = 1
+        AllowInPlaceEditing = True
+        BarWidth = 3
+        BarColor = clSilver
+        ColumnWidth = 200
+        ContactHeadAttributes.Color = clSilver
+        ContactHeadAttributes.Bordered = True
+        DrawingStyle = dsFlat
+      end
+    end
+  end
+  object VpControlLink1: TVpControlLink
+    DataStore = VpSqlite3Datastore1
+    Printer.BottomMargin = 0
+    Printer.DayStart = h_08
+    Printer.DayEnd = h_05
+    Printer.Granularity = gr30Min
+    Printer.LeftMargin = 0
+    Printer.MarginUnits = imAbsolutePixel
+    Printer.PrintFormats = <>
+    Printer.RightMargin = 0
+    Printer.TopMargin = 0
+    left = 136
+    top = 264
+  end
+  object VpResourceEditDialog1: TVpResourceEditDialog
+    Version = 'v1.04'
+    DataStore = VpSqlite3Datastore1
+    Options = []
+    Placement.Position = mpCenter
+    Placement.Top = 10
+    Placement.Left = 10
+    Placement.Height = 250
+    Placement.Width = 400
+    left = 136
+    top = 335
+  end
+  object VpSqlite3Datastore1: TVpSqlite3Datastore
+    CategoryColorMap.Category0.Color = clNavy
+    CategoryColorMap.Category0.Description = 'Category 0'
+    CategoryColorMap.Category1.Color = clRed
+    CategoryColorMap.Category1.Description = 'Category 1'
+    CategoryColorMap.Category2.Color = clYellow
+    CategoryColorMap.Category2.Description = 'Category 2'
+    CategoryColorMap.Category3.Color = clLime
+    CategoryColorMap.Category3.Description = 'Category 3'
+    CategoryColorMap.Category4.Color = clPurple
+    CategoryColorMap.Category4.Description = 'Category 4'
+    CategoryColorMap.Category5.Color = clTeal
+    CategoryColorMap.Category5.Description = 'Category 5'
+    CategoryColorMap.Category6.Color = clFuchsia
+    CategoryColorMap.Category6.Description = 'Category 6'
+    CategoryColorMap.Category7.Color = clOlive
+    CategoryColorMap.Category7.Description = 'Category 7'
+    CategoryColorMap.Category8.Color = clAqua
+    CategoryColorMap.Category8.Description = 'Category 8'
+    CategoryColorMap.Category9.Color = clMaroon
+    CategoryColorMap.Category9.Description = 'Category 9'
+    EnableEventTimer = True
+    PlayEventSounds = True
+    Connection = SQLite3Connection1
+    AutoConnect = False
+    AutoCreate = False
+    Connected = False
+    left = 136
+    top = 192
+  end
+  object SQLite3Connection1: TSQLite3Connection
+    Connected = False
+    LoginPrompt = False
+    KeepConnection = False
+    Transaction = SQLTransaction1
+    Options = []
+    left = 136
+    top = 120
+  end
+  object SQLTransaction1: TSQLTransaction
+    Active = False
+    Action = caCommit
+    Database = SQLite3Connection1
+    Options = []
+    left = 256
+    top = 120
+  end
+end

components/tvplanit/examples/sqlite3datastore/unit1.pas

@@ -0,0 +1,103 @@
+unit Unit1;
+
+{$mode objfpc}{$H+}
+
+interface
+
+uses
+  Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs, ExtCtrls,
+  StdCtrls, ComCtrls, VpBaseDS, VpDayView, VpWeekView, VpTaskList,
+  VpContactGrid, VpMonthView, VpResEditDlg, VpContactButtons, VpSQLite3DS,
+  sqlite3conn, sqldb;
+
+type
+
+  { TForm1 }
+
+  TForm1 = class(TForm)
+    BtnNewRes: TButton;
+    BtnEditRes: TButton;
+    PageControl1: TPageControl;
+    Panel1: TPanel;
+    Panel2: TPanel;
+    Splitter1: TSplitter;
+    Splitter2: TSplitter;
+    Splitter3: TSplitter;
+    SQLite3Connection1: TSQLite3Connection;
+    SQLTransaction1: TSQLTransaction;
+    TabSheet1: TTabSheet;
+    TabSheet2: TTabSheet;
+    VpContactButtonBar1: TVpContactButtonBar;
+    VpContactGrid1: TVpContactGrid;
+    VpControlLink1: TVpControlLink;
+    VpDayView1: TVpDayView;
+    VpMonthView1: TVpMonthView;
+    VpResourceCombo1: TVpResourceCombo;
+    VpResourceEditDialog1: TVpResourceEditDialog;
+    VpSqlite3Datastore1: TVpSqlite3Datastore;
+    VpTaskList1: TVpTaskList;
+    VpWeekView1: TVpWeekView;
+    procedure BtnNewResClick(Sender: TObject);
+    procedure BtnEditResClick(Sender: TObject);
+    procedure FormCreate(Sender: TObject);
+  private
+    { private declarations }
+  public
+    { public declarations }
+  end;
+
+var
+  Form1: TForm1;
+
+implementation
+
+{$R *.lfm}
+
+uses
+  LazFileUtils;
+
+const
+  DBFILENAME = 'data.db';
+
+{ TForm1 }
+
+// Adds a new resource
+procedure TForm1.BtnNewResClick(Sender: TObject);
+begin
+  VpResourceEditDialog1.AddNewResource;
+end;
+
+// Edits the currently selected resource
+procedure TForm1.BtnEditResClick(Sender: TObject);
+begin
+  // Open the resource editor dialog, everything is done here.
+  VpResourceEditDialog1.Execute;
+end;
+
+// Setting up the database connection and the datastore. Preselect a resource
+// in the resource combo.
+procedure TForm1.FormCreate(Sender: TObject);
+begin
+  try
+    SQLite3Connection1.DatabaseName := AppendPathDelim(Application.Location) + DBFILENAME;
+    SQLTransaction1.Action := caCommit;
+
+    VpSqlite3Datastore1.Connection := SQLite3Connection1;
+    VpSqlite3Datastore1.AutoCreate := true;
+    VpSqlite3Datastore1.Connected := true;
+
+    if VpSqlite3Datastore1.Resources.Count > 0 then
+      VpSqlite3Datastore1.ResourceID := VpSqlite3Datastore1.Resources.Items[0].ResourceID;
+
+  except
+    on E:Exception do
+    begin
+      MessageDlg('sqlite3.dll not found. Copy it to the exe folder and restart the program.',
+        mtError, [mbOK], 0);
+      Close;
+    end;
+  end;
+end;
+
+end.
+

components/tvplanit/source/vpsqlite3ds.pas

@@ -84,10 +84,14 @@ end;
 
 // Connection and tables are active afterwards!
 procedure TVpSqlite3Datastore.CreateTables;
+var
+  wasConnected: Boolean;
 begin
   if FileExists(FConnection.DatabaseName) then
     exit;
 
+  wasConnected := FConnection.Connected;
+
   FConnection.Close;
 
   if FContactsTable.Transaction = nil then
@@ -99,38 +103,12 @@ begin
   if FTasksTable.Transaction = nil then
     FTasksTable.Transaction := FConnection.Transaction;
 
-  FConnection.Connected := true;
-  FConnection.Transaction.Active := true;
-
-  // Per the SQLite Documentation (edited for clarity):
-  // The pragma user_version is used to set or get the value of the user-version.
-  // The user-version is a big-endian 32-bit signed integer stored in the database header at offset 60.
-  // The user-version is not used internally by SQLite. It may be used by applications for any purpose.
-  // http://www.sqlite.org/pragma.html#pragma_schema_version
- // FConnection.ExecuteDirect('PRAGMA user_version = ' + IntToStr(USER_VERSION) + ';');
-
-  // Per the SQLite Documentation:
-  // The application_id PRAGMA is used to query or set the 32-bit unsigned big-endian
-  // "Application ID" integer located at offset 68 into the database header.
-  // Applications that use SQLite as their application file-format should set the
-  // Application ID integer to a unique integer so that utilities such as file(1) can
-  // determine the specific file type rather than just reporting "SQLite3 Database".
-  // A list of assigned application IDs can be seen by consulting the magic.txt file
-  // in the SQLite source repository.
-  // http://www.sqlite.org/pragma.html#pragma_application_id
- // FConnection.ExecuteDirect('PRAGMA application_id = ' + IntToStr(APPLICATION_ID) + ';');
-
   CreateTable(ContactsTableName);
   CreateTable(EventsTableName);
   CreateTable(ResourceTableName);
   CreateTable(TasksTableName);
 
-  FConnection.Transaction.Commit;
-  FConnection.Connected := false;
-
-  Connected := AutoConnect;
-
-  //OpenTables;
+  SetConnected(wasConnected or AutoConnect);
 end;
 
 procedure TVpSqlite3Datastore.CreateTable(const ATableName: String);
@@ -318,7 +296,7 @@ procedure TVpSqlite3Datastore.Loaded;
 begin
   inherited;
   if not (csDesigning in ComponentState) then
-    Connected := AutoConnect;
+    Connected := AutoConnect and (AutoCreate or FileExists(FConnection.DatabaseName));
 end;
 
 procedure TVpSqlite3Datastore.Notification(AComponent: TComponent;
@@ -377,7 +355,7 @@ begin
   if (FConnection = nil) or (FConnection.Transaction = nil) then
     exit;
 
-  if AValue = Connected then
+  if AValue = FConnection.Connected then
     exit;
 
   if AValue and AutoCreate then