• 动态AdvStringGrid完美示例 (AdvStringGrid使用技巧/Cells)


    http://www.cnblogs.com/JackSun/archive/2010/12/16/1908104.html

    此窗体,只需要简单准备如下,即可运行:
        1,添加一个TAdvStringGrid,并命名为strGrid1。
        2,设置:TAdvStringGrid-->option-->goEditing=true
                 TAdvStringGrid-->enableGraphics=true
        3,修改Form名称为form1,或替换以下代码中的form1为当前窗体的名字。
        4,将以下代码覆盖原来的代码。 
        5,关联以下过程(只需要在窗体和strGrid1控件属性-事件页中双击相关项即可完成关联。)
            FormCreate
            FormShow
            strGrid1CanEditCell
            strGrid1GetAlignment
            strGrid1GetCellColor
            strGrid1GetEditorType


    unit ENMA0101;

    interface

    uses
      Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
      Dialogs, Grids, AdvGrid;

    const
        cUnit_ID='ENMA0101';   //声明常量,保存单元名称

        //声明常量,用于保存Cells的列数
        cColQty1=8; 

        //声明常量数组,保存Cells的各种属性,各种属性含义如下:
        {0-显示
        1-编辑
        2-必输
        3-类型
        4-对齐
        5-颜色
        6-宽度
        7-标题
        8-是否从数据库中读取
        9-数据表名称
        10-字段名
        11-字段长度
        12-文本中读取
        13-文本中位置    }
      cColProp1: array[0..cColQty1-1] of array[0..13] of string=(   //列属性
       //显示编辑必输类型对齐 颜色     宽度    标题
        // 0  1   2   3   4     5        6     7     8  9  10 11
        ('Y','N','N','E','R','clBtnFace','25','NO.','N','','','0','N','0'),    // 0
        ('Y','N','N','E','L','clInfoBk','150','Part No','Y','POJBSUB','PART_NO','30','Y','2'),    // 1
        ('Y','Y','N','E','R','clWindow','60','Qty','Y','POJBSUB','ORDER_QUANTITY','9','Y','3'),    // 2
        ('Y','N','N','E','C','clMoneyGreen','40','U/M','Y','POJBSUB','UNIT_OF_MEASURE','2','Y','4'),    // 3
        ('Y','Y','N','C','C','clWindow','60','Dept','Y','POJBSUB','DELIVERY_TO_DEPT','3','Y','5'),    // 4
        ('Y','Y','N','C','C','clWindow','50','Grp','Y','POJBSUB','GROUP_A','3','Y','7'),    // 5
        ('Y','N','N','E','L','clSkyBlue','160','Part Name','Y','POJBSUB','PART_NAME_C','70','Y','8'),    // 6
        ('Y','Y','N','M','L','clWindow','50','DF','Y','POJBSUB','VENDOR_NO','5','Y','6')    // 7
    );
        //声明常量,定义列号,便于修改与引用
        cC1NO=0;
        cC1PART_NO=1;
        cC1ORDER_QUANTITY=2;
        cC1UNIT_OF_MEASURE=3;
        cC1DELIVERY_TO_DEPT=4;
        cC1GROUP_A=5;
        cC1PART_NAME_C=6;
        cC1Data_Flag=7;

    type
      TForm1 = class(TForm)
        strGrid1: TAdvStringGrid;
        procedure FormCreate(Sender: TObject);
        procedure FormShow(Sender: TObject);
        procedure strGrid1CanEditCell(Sender: TObject; ARow,
          ACol: Integer; var CanEdit: Boolean);
        procedure strGrid1GetAlignment(Sender: TObject; ARow,
          ACol: Integer; var AAlignment: TAlignment);
        procedure strGrid1GetCellColor(Sender: TObject; ARow,
          ACol: Integer; AState: TGridDrawState; ABrush: TBrush; AFont: TFont);
        procedure strGrid1GetEditorType(Sender: TObject; ACol,
          ARow: Integer; var AEditor: TEditorType);

      private
        { Private declarations }
        procedure prClear(pMode:byte);
        procedure prRefresh(pMode: byte);

        procedure prStgInitialize1;
        procedure prStg1Clear;

      public
        { Public declarations }
      end;

    var
      Form1: TForm1;

    implementation

    {$R *.dfm}

    //窗体创建时执行代码
    procedure TForm1.FormCreate(Sender: TObject);
    Var
      i,j:integer;
    begin
        //设定行数最大值,用于设置CheckedBox
        strGrid1.RowCount:=1000;

        //设置cColProp1[3,J]='C'的单元格为CheckedBox格式
        for i:=1 to strGrid1.rowcount-1 do begin

            //通过以下属性数组设置未通过,当两列checkbox时,只能设置一列。
            {for j:=0 to cColQty1-1 do begin
                if cColProp1[3,J]='C' then
                    strGrid1.AddCheckBox(j,i,false,false);
            end;}
            //改为以下方式直接定义。
            strGrid1.AddCheckBox(4,i,false,false);
            strGrid1.AddCheckBox(5,i,false,false);
        end;
    end;

    //窗体显示时执行代码
    procedure TForm1.FormShow(Sender: TObject);
    begin
        form1.caption:= cUnit_ID + ' ' + form1.caption;
        prClear(0);
    end;

    //窗体清空代码
    procedure TForm1.prClear(pMode:byte);
    begin
        case pMode of
        0:begin
            prStgInitialize1;
        end;
        1:begin
            prStg1Clear;
        end;
        end;

        //其它清空内容

    end;

    //窗体刷新代码
    procedure Tform1.prRefresh(pMode: byte);
    begin
        //窗体刷新内容

    end;

    //AdvStringGrid初始化过程
    procedure TForm1.prStgInitialize1;
    Var
      I:Integer;
    begin

        //设定零件表初始行数和列数
        strGrid1.RowCount:=2;
        strGrid1.ColCount:=cColQty1;
        strGrid1.FixedRows:=1;
        strGrid1.FixedCols:=1;

        //设定列宽度和列标题
        for I:=0 to cColQty1-1 do begin
            strGrid1.Cells[I,0]:=cColProp1[I,7];                 //标题
            if cColProp1[I,0]='Y' then
                strGrid1.ColWidths[I]:=strToInt(cColProp1[I,6])  //列宽
            else
                strGrid1.ColWidths[I]:=0;                        //列宽
        end;

    end;

    //AdvStringGrid清空过程
    procedure TForm1.prStg1Clear;
    Var
      I:integer;
      J:integer;
    begin
        for I:=1 to strGrid1.RowCount-1 do begin
            for J:=0 to cColQty1-1 do begin
                strGrid1.Cells[J,I]:='';
                strGrid1.SetCheckBoxState(J,I,false);
            end;
        end;
        strGrid1.RowCount:=2;
    end;

    //设定单元表各列是否可以编辑
    procedure TForm1.strGrid1CanEditCell(Sender: TObject; ARow,
      ACol: Integer; var CanEdit: Boolean);
    Var
      I:integer;
    begin

        //直接定义
        {if stgPList.Cells[cNCols1[3]-2,ARow]='1' then
            CanEdit:=false
        else begin
            if ACol=cNCols1[2]-2 then
                CanEdit:=true
            else
                CanEdit:=false;
        end;}
        {if aRow=0 then
            CanEdit:=false
        else if}

        //用属性数组定义
        for I:=0 to cColQty1 do begin
            if ACol=I then begin
                if cColProp1[I,1]='Y' then CanEdit:=true;
                if cColProp1[I,1]='N' then CanEdit:=False;
            end;
        end;

        //以下代码首先根据列cC1Data_Flag的值设定一行是否可以编辑,然后再根据属性数组设定。
        {if (strGrid1.cells[cC1Data_Flag,ARow]='') or (strGrid1.cells[cC1Data_Flag,ARow]='C') then begin
            canEdit:=false;
            exit;
        end  else begin
            for I:=0 to cColQty1 do begin
                if ACol=I then begin
                    if strGrid1.cells[cC1Data_Flag,aRow]='C' then CanEdit:=false
                    else begin
                        if cColProp1[I,1]='Y' then CanEdit:=true;
                        if cColProp1[I,1]='N' then CanEdit:=False;
                    end;
                end;
            end;
        end;}
    end;


    //设定单元表各列对齐方式
    procedure TForm1.strGrid1GetAlignment(Sender: TObject; ARow, ACol: Integer; var AAlignment: TAlignment);
    Var
      I:integer;
    begin
        //直接定义
        {if ARow=0 then AAlignment:=tacenter
        else begin
            case ACol of
            0:   AAlignment:=taRightJustify;
            1:   AAlignment:=taCenter;
            2:   AAlignment:=taCenter;
            3:   AAlignment:=taRightJustify;
            4:   AAlignment:=taCenter;
            6:   AAlignment:=taCenter;
            8:   AAlignment:=taCenter;
            9:  AAlignment:=taCenter;
            else AAlignment:=taLeftJustify;
            end;
        end;  }
        //用属性数组定义
        if ARow=0 then AAlignment:=taCenter
        else begin
            for I:=0 to cColQty1-1 do begin
                if ACol=I then begin
                    //case strToInt(cColProp1[I,4])
                    if cColProp1[I,4]='C' then AAlignment:=taCenter;
                    if cColProp1[I,4]='L' then AAlignment:=taLeftJustify;
                    if cColProp1[I,4]='R' then AAlignment:=taRightJustify;
                end;
            end;
        end;

    end;

    //设定单元表各列颜色
    procedure TForm1.strGrid1GetCellColor(Sender: TObject; ARow,
      ACol: Integer; AState: TGridDrawState; ABrush: TBrush; AFont: TFont);
    Var
      I:integer;
    begin

        //直接定义
        {if ARow>0 then begin
            Case ACol of
                1: ABrush.Color:=RGB(227,249,248);
                2: ABrush.Color:=RGB(250,232,193);
                3: ABrush.Color:=RGB(227,249,248);
                4: ABrush.Color:=RGB(250,232,193);
                12: ABrush.Color:=RGB(227,249,248);
                14: ABrush.Color:=RGB(250,232,193);
                24: ABrush.Color:=RGB(227,249,248);
                48: ABrush.Color:=RGB(250,232,193);
                51: ABrush.Color:=RGB(227,249,248);
            End;
        end;}

        //用属性数组定义
        if ARow=0 then
                abrush.Color:=clBtnFace        // 首行为灰色
        else begin
            for I:=0 to cColQty1 do begin      // 非首行按属性数组设置颜色
                if ACol=I then abrush.Color:=StringToColor(cColProp1[I,5]);
            end;
        end;

    end;

    //设定单元表各列控件类型
    procedure TForm1.strGrid1GetEditorType(Sender: TObject; ACol,
      ARow: Integer; var AEditor: TEditorType);
    Var
      I:integer;
    begin

        for I:=0 to cColQty1 do begin
             if ACol=I then begin
                 if cColProp1[I,3]='M' then begin
                     AEditor:=edComBoEdit;
                     strGrid1.ClearComboString;
                     strGrid1.AddComboString('Y : 同意');
                     strGrid1.AddComboString('N : 拒绝');
                 end;
             end;
        end;
        
    end;

    end.


        (以上过程在Delphi6中测试通过。)

        这样,如果修改Cells相关的属性,只需要修改数组cColProp1相关的值就可以实现了,很方便的。
        关于修改cColProp1,你可以直接在上面的代码窗口中修改,但如果列相当多的话,这样改起来也是相当麻烦的,而且容易改错,也是不方便的!
        对此,我做了一个excel模板:动态Cells设定工具表,如附件。

        通过这个模板,可以自动生成静态数组cColProp1和静态列号,修改起来也很直观,很方便。
        修改后,将生成的静态数组cColProp1和静态列号复制到代码里即可。

     动态Cells设定工具表: DynamicCells_Setting.xls  

    http://www.taoyoyo.net/ttt/post/118.html

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  • 原文地址:https://www.cnblogs.com/tc310/p/5142708.html
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