You've already forked lazarus-ccr
fpspreadsheet: Add demo how to create a spreadsheet by means of TsWorksheetDataset.
git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@8101 8e941d3f-bd1b-0410-a28a-d453659cc2b4
This commit is contained in:
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<?xml version="1.0" encoding="UTF-8"?>
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<CONFIG>
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<ProjectOptions>
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<Version Value="12"/>
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<PathDelim Value="\"/>
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<General>
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<Flags>
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<CompatibilityMode Value="True"/>
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</Flags>
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<SessionStorage Value="InProjectDir"/>
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<Title Value="CreateTableDemo"/>
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<Scaled Value="True"/>
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<ResourceType Value="res"/>
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<UseXPManifest Value="True"/>
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<XPManifest>
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<DpiAware Value="True"/>
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</XPManifest>
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<Icon Value="0"/>
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</General>
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<BuildModes Count="1">
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<Item1 Name="Default" Default="True"/>
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</BuildModes>
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<PublishOptions>
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<Version Value="2"/>
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<UseFileFilters Value="True"/>
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</PublishOptions>
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<RunParams>
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<FormatVersion Value="2"/>
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</RunParams>
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<RequiredPackages Count="3">
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<Item1>
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<PackageName Value="FCL"/>
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</Item1>
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<Item2>
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<PackageName Value="laz_fpspreadsheet_dataset"/>
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</Item2>
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<Item3>
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<PackageName Value="LCL"/>
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</Item3>
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</RequiredPackages>
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<Units Count="3">
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<Unit0>
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<Filename Value="CreateTableDemo.lpr"/>
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<IsPartOfProject Value="True"/>
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</Unit0>
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<Unit1>
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<Filename Value="main.pas"/>
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<IsPartOfProject Value="True"/>
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<ComponentName Value="MainForm"/>
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<ResourceBaseClass Value="Form"/>
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</Unit1>
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<Unit2>
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<Filename Value="viewerform.pas"/>
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<IsPartOfProject Value="True"/>
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<ComponentName Value="SpreadsheetViewerForm"/>
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<ResourceBaseClass Value="Form"/>
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<UnitName Value="ViewerForm"/>
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</Unit2>
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</Units>
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</ProjectOptions>
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<CompilerOptions>
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<Version Value="11"/>
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<PathDelim Value="\"/>
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<Target>
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<Filename Value="CreateTableDemo"/>
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</Target>
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<SearchPaths>
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<IncludeFiles Value="$(ProjOutDir)"/>
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<UnitOutputDirectory Value="lib\$(TargetCPU)-$(TargetOS)"/>
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</SearchPaths>
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<Linking>
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<Options>
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<Win32>
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<GraphicApplication Value="True"/>
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</Win32>
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</Options>
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</Linking>
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</CompilerOptions>
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<Debugging>
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<Exceptions Count="3">
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<Item1>
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<Name Value="EAbort"/>
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</Item1>
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<Item2>
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<Name Value="ECodetoolError"/>
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</Item2>
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<Item3>
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<Name Value="EFOpenError"/>
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</Item3>
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</Exceptions>
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</Debugging>
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</CONFIG>
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program CreateTableDemo;
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{$mode objfpc}{$H+}
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uses
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{$IFDEF UNIX}
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cthreads,
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{$ENDIF}
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{$IFDEF HASAMIGA}
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athreads,
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{$ENDIF}
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Interfaces, // this includes the LCL widgetset
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Forms, main, ViewerForm
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{ you can add units after this };
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{$R *.res}
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begin
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RequireDerivedFormResource:=True;
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Application.Scaled:=True;
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Application.Initialize;
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Application.CreateForm(TMainForm, MainForm);
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Application.Run;
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end.
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object MainForm: TMainForm
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Left = 285
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Height = 366
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Top = 131
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Width = 714
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Caption = 'Create Table Demo'
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ClientHeight = 366
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ClientWidth = 714
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OnCreate = FormCreate
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LCLVersion = '2.3.0.0'
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object DBGrid: TDBGrid
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Left = 0
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Height = 324
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Top = 0
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Width = 714
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Align = alClient
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Color = clWindow
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Columns = <>
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DataSource = DataSource
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TabOrder = 0
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end
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object Panel1: TPanel
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Left = 8
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Height = 26
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Top = 332
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Width = 698
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Align = alBottom
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AutoSize = True
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BorderSpacing.Around = 8
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BevelOuter = bvNone
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ClientHeight = 26
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ClientWidth = 698
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TabOrder = 1
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object btnViewSpreadsheet: TButton
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AnchorSideTop.Control = Panel1
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AnchorSideTop.Side = asrCenter
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Left = 0
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Height = 25
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Top = 1
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Width = 136
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AutoSize = True
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Caption = 'View spreadsheet file'
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OnClick = btnViewSpreadsheetClick
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TabOrder = 0
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end
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end
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object Dataset: TsWorksheetDataset
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FieldDefs = <>
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Left = 77
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Top = 39
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end
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object DataSource: TDataSource
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DataSet = Dataset
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Left = 77
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Top = 104
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end
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end
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103
components/fpspreadsheet/examples/dataset/create_table/main.pas
Normal file
103
components/fpspreadsheet/examples/dataset/create_table/main.pas
Normal file
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unit main;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils, DB, Forms, Controls, Graphics, Dialogs, DBGrids, StdCtrls,
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ExtCtrls, fpsDataset;
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type
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{ TMainForm }
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TMainForm = class(TForm)
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btnViewSpreadsheet: TButton;
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DataSource: TDataSource;
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Dataset: TsWorksheetDataset;
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DBGrid: TDBGrid;
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Panel1: TPanel;
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procedure btnViewSpreadsheetClick(Sender: TObject);
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procedure FormCreate(Sender: TObject);
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private
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public
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end;
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var
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MainForm: TMainForm;
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implementation
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{$R *.lfm}
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uses
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ViewerForm;
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const
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FILE_NAME = 'TestData.ods';
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{ TMainForm }
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procedure TMainForm.FormCreate(Sender: TObject);
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begin
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// For demonstration purposes we want to create a new file whenever the demo starts.
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if FileExists(FILE_NAME) then
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DeleteFile(FILE_NAME);
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// Set the name of the data file
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Dataset.FileName := FILE_NAME;
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// Set the name of the worksheet
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Dataset.SheetName := 'Test-Sheet';
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// Define fields
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Dataset.AutoFieldDefs := false;
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Dataset.AddFieldDef('FloatColumn', ftFloat);
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Dataset.AddFieldDef('StringColumn', ftString, 20);
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Dataset.AddFieldDef('DateColumn', ftDate);
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Dataset.AddFieldDef('BooleanColumn', ftBoolean, 0, 4); // 4 --> column 4 in worksheet --> skip column 3
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Dataset.CreateTable;
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// Open the table
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Dataset.Open;
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(Dataset.FieldByName('FloatColumn') as TNumericField).DisplayFormat := '0.000';
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// Add some arbitrary data
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Dataset.Append;
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Dataset.FieldByName('FloatColumn').AsFloat := 3.1415;
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Dataset.FieldByName('StringColumn').AsString := 'abc';
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Dataset.FieldByName('DateColumn').AsDateTime := EncodeDate(2000, 1, 1);
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Dataset.FieldByName('BooleanColumn').AsBoolean := true;
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Dataset.Post;
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Dataset.Append;
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Dataset.FieldByName('FloatColumn').AsFloat := 2*3.1415;
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Dataset.FieldByName('StringColumn').AsString := 'Lorem ipsum';
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Dataset.FieldByName('DateColumn').AsDateTime := Date();
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Dataset.FieldByName('BooleanColumn').AsBoolean := false;
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Dataset.Post;
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Dataset.Append;
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Dataset.FieldByName('FloatColumn').AsFloat := 3*3.1415;
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Dataset.FieldByName('StringColumn').AsString := 'Hello World';
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Dataset.FieldByName('DateColumn').AsDateTime := Date() + 1;
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Dataset.FieldByName('BooleanColumn').AsInteger := 3; // anything <> 0 is "true"
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Dataset.Post;
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end;
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procedure TMainForm.btnViewSpreadsheetClick(Sender: TObject);
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begin
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Dataset.Flush;
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if SpreadsheetViewerForm = nil then
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SpreadsheetViewerForm := TSpreadsheetViewerForm.Create(Application);
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SpreadsheetViewerForm.LoadFile(Dataset.FileName, Dataset.SheetName);
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SpreadsheetViewerForm.Show;
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end;
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end.
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object SpreadsheetViewerForm: TSpreadsheetViewerForm
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Left = 617
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Height = 334
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Top = 261
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Width = 564
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Caption = 'Simple Spreadsheet Viewer'
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ClientHeight = 334
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ClientWidth = 564
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OnCreate = FormCreate
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LCLVersion = '2.3.0.0'
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object StringGrid: TStringGrid
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Left = 0
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Height = 334
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Top = 0
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Width = 564
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Align = alClient
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DefaultColWidth = 100
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TabOrder = 0
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end
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end
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@ -0,0 +1,64 @@
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unit ViewerForm;
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{$mode ObjFPC}{$H+}
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interface
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uses
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Classes, SysUtils, Forms, Controls, Graphics, Dialogs, Grids,
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fpSpreadsheet, fpsTypes, fpsUtils;
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type
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{ TSpreadsheetViewerForm }
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TSpreadsheetViewerForm = class(TForm)
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StringGrid: TStringGrid;
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procedure FormCreate(Sender: TObject);
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private
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public
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procedure LoadFile(const AFileName, ASheetName: String);
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end;
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var
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SpreadsheetViewerForm: TSpreadsheetViewerForm;
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implementation
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{$R *.lfm}
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procedure TSpreadsheetViewerForm.FormCreate(Sender: TObject);
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begin
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StringGrid.ColWidths[0] := 40;
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end;
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procedure TSpreadsheetViewerForm.LoadFile(const AFileName, ASheetName: String);
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var
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workbook: TsWorkbook;
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worksheet: TsWorksheet;
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lastCol, lastRow: Integer;
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row, col: Integer;
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begin
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workbook := TsWorkbook.Create;
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try
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workbook.ReadFromFile(AFileName);
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worksheet := workbook.GetWorksheetByName(ASheetName);
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lastCol := worksheet.GetLastColIndex(true);
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lastRow := worksheet.GetLastRowIndex(true);
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StringGrid.RowCount := lastRow + 1 + StringGrid.FixedRows;
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StringGrid.ColCount := lastcol + 1 + StringGrid.FixedCols;
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for col := 1 to stringGrid.ColCount-1 do
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StringGrid.Cells[col, 0] := GetColString(col - 1);
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for row := 1 to StringGrid.RowCount-1 do
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begin
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StringGrid.Cells[0, row] := IntToStr(row);
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for col := 1 to StringGrid.ColCount - 1 do
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StringGrid.Cells[col, row] := worksheet.ReadAsText(row - 1, col - 1);
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end;
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finally
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workbook.Free;
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end;
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end;
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end.
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Block a user