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| 1 | +//--------------------------------------------------------------------------- |
| 2 | +#include <vcl\vcl.h> |
| 3 | +#pragma hdrstop |
| 4 | + |
| 5 | +#include "DBAware.h" |
| 6 | +//--------------------------------------------------------------------------- |
| 7 | +#pragma link "Placemnt" |
| 8 | +#pragma link "PicClip" |
| 9 | +#pragma link "RxQuery" |
| 10 | +#pragma link "DBFilter" |
| 11 | +#pragma link "DBQBE" |
| 12 | +#pragma link "RXDBCtrl" |
| 13 | +#pragma link "Grids" |
| 14 | +#pragma link "RXLookup" |
| 15 | +#pragma link "DBIndex" |
| 16 | +#pragma link "DBUtils" |
| 17 | +#pragma link "BdeUtils" |
| 18 | +#pragma link "RXCtrls" |
| 19 | +#pragma resource "*.dfm" |
| 20 | +TDBAwareForm *DBAwareForm; |
| 21 | +//--------------------------------------------------------------------------- |
| 22 | +__fastcall TDBAwareForm::TDBAwareForm(TComponent* Owner) |
| 23 | + : TForm(Owner) |
| 24 | +{ |
| 25 | +} |
| 26 | +//--------------------------------------------------------------------------- |
| 27 | +void __fastcall TDBAwareForm::SetMacro(const AnsiString MacroName, |
| 28 | + const AnsiString AValue) |
| 29 | +{ |
| 30 | + rxQuery1->MacroByName(MacroName)->AsString = AValue; |
| 31 | + rxQuery1->DisableControls(); |
| 32 | + try { |
| 33 | + rxQuery1->Close(); |
| 34 | + rxQuery1->Open(); |
| 35 | + } |
| 36 | + catch(...) { |
| 37 | + rxQuery1->EnableControls(); |
| 38 | + throw; |
| 39 | + } |
| 40 | + rxQuery1->EnableControls(); |
| 41 | +} |
| 42 | +//--------------------------------------------------------------------------- |
| 43 | +void __fastcall TDBAwareForm::FormCreate(TObject *Sender) |
| 44 | +{ |
| 45 | + ComboBox2->ItemIndex = 1; |
| 46 | +} |
| 47 | +//--------------------------------------------------------------------------- |
| 48 | +void __fastcall TDBAwareForm::FormClose(TObject *Sender, TCloseAction &Action) |
| 49 | +{ |
| 50 | + Action = caFree; |
| 51 | +} |
| 52 | +//--------------------------------------------------------------------------- |
| 53 | +void __fastcall TDBAwareForm::CheckBox1Click(TObject *Sender) |
| 54 | +{ |
| 55 | + rxDBGrid1->ShowGlyphs = CheckBox1->Checked; |
| 56 | +} |
| 57 | +//--------------------------------------------------------------------------- |
| 58 | +void __fastcall TDBAwareForm::rxDBLookupCombo1Change(TObject *Sender) |
| 59 | +{ |
| 60 | + Edit1->Text = rxDBLookupCombo1->Value; |
| 61 | +} |
| 62 | +//--------------------------------------------------------------------------- |
| 63 | +void __fastcall TDBAwareForm::EnterQueryClick(TObject *Sender) |
| 64 | +{ |
| 65 | + DBFilter1->SetCapture(); |
| 66 | +} |
| 67 | +//--------------------------------------------------------------------------- |
| 68 | +void __fastcall TDBAwareForm::ExecQueryClick(TObject *Sender) |
| 69 | +{ |
| 70 | + DBFilter1->ReadCaptureControls(); |
| 71 | + DBFilter1->ReleaseCapture(); |
| 72 | + DBFilter1->Activate(); |
| 73 | +} |
| 74 | +//--------------------------------------------------------------------------- |
| 75 | +void __fastcall TDBAwareForm::CancelQueryClick(TObject *Sender) |
| 76 | +{ |
| 77 | + DBFilter1->ReleaseCapture(); |
| 78 | + DBFilter1->Deactivate(); |
| 79 | +} |
| 80 | +//--------------------------------------------------------------------------- |
| 81 | +void __fastcall TDBAwareForm::RadioGroup1Click(TObject *Sender) |
| 82 | +{ |
| 83 | + DBFilter1->LogicCond = (TFilterLogicCond)RadioGroup1->ItemIndex; |
| 84 | +} |
| 85 | +//--------------------------------------------------------------------------- |
| 86 | +void __fastcall TDBAwareForm::DBFilter1Change(TObject *Sender) |
| 87 | +{ |
| 88 | + ExecQuery->Enabled = DBFilter1->Captured; |
| 89 | + CancelQuery->Enabled = (DBFilter1->Active || DBFilter1->Captured); |
| 90 | + EnterQuery->Enabled = true; |
| 91 | +} |
| 92 | +//--------------------------------------------------------------------------- |
| 93 | +void __fastcall TDBAwareForm::ComboBox2Change(TObject *Sender) |
| 94 | +{ |
| 95 | + AnsiString order; |
| 96 | + |
| 97 | + switch (ComboBox2->ItemIndex) { |
| 98 | + case 0: { |
| 99 | + order = "ORDERS.\"SaleDate\""; |
| 100 | + break; |
| 101 | + } |
| 102 | + case 1: { |
| 103 | + order = "ORDERS.\"ShipDate\""; |
| 104 | + break; |
| 105 | + } |
| 106 | + case 2: { |
| 107 | + order = "ORDERS.\"CustNo\""; |
| 108 | + break; |
| 109 | + } |
| 110 | + case 3: { |
| 111 | + order = "ORDERS.\"EmpNo\""; |
| 112 | + break; |
| 113 | + } |
| 114 | + default: return; |
| 115 | + } |
| 116 | + SetMacro("ORDER", order); |
| 117 | +} |
| 118 | +//--------------------------------------------------------------------------- |
| 119 | +void __fastcall TDBAwareForm::rxDBLookupCombo2Change(TObject *Sender) |
| 120 | +{ |
| 121 | + AnsiString s; |
| 122 | + |
| 123 | + s = "0=0"; |
| 124 | + if (rxDBLookupCombo2->Value != "") { |
| 125 | + s = "ORDERS.\"CustNo\"=" + rxDBLookupCombo2->Value; |
| 126 | + } |
| 127 | + SetMacro("CUSTOMER", s); |
| 128 | +} |
| 129 | +//--------------------------------------------------------------------------- |
| 130 | +void __fastcall TDBAwareForm::rxDBLookupCombo1GetImage(TObject *Sender, |
| 131 | + bool IsEmpty, TGraphic *&Graphic, int &TextMargin) |
| 132 | +{ |
| 133 | + AnsiString PhoneExt; |
| 134 | + |
| 135 | + TextMargin = PicClip->Width + 2; |
| 136 | + if (!IsEmpty) { |
| 137 | + PhoneExt = QBEQuery1->FieldByName("PhoneExt")->AsString; |
| 138 | + Graphic = PicClip->GraphicCell[3]; |
| 139 | + if (PhoneExt == "") { |
| 140 | + Graphic = PicClip->GraphicCell[4]; |
| 141 | + } |
| 142 | + } |
| 143 | + else { |
| 144 | + Graphic = PicClip->GraphicCell[5]; |
| 145 | + } |
| 146 | +} |
| 147 | +//--------------------------------------------------------------------------- |
| 148 | +void __fastcall TDBAwareForm::DBGrid1CheckButton(TObject *Sender, long ACol, |
| 149 | + TField *Field, bool &Enabled) |
| 150 | +{ |
| 151 | + Enabled = (Field != NULL) && (dynamic_cast<TBlobField*>(Field) == 0); |
| 152 | +} |
| 153 | +//--------------------------------------------------------------------------- |
| 154 | +void __fastcall TDBAwareForm::DBGrid1TitleBtnClick(TObject *Sender, long ACol, |
| 155 | + TField *Field) |
| 156 | +{ |
| 157 | + if (Field != NULL) { |
| 158 | + SetMacro("ORDER", Field->FieldName); |
| 159 | + ComboBox2->ItemIndex = -1; |
| 160 | + } |
| 161 | +} |
| 162 | +//--------------------------------------------------------------------------- |
| 163 | +void __fastcall TDBAwareForm::CheckBox2Click(TObject *Sender) |
| 164 | +{ |
| 165 | + rxDBGrid1->MultiSelect = CheckBox2->Checked; |
| 166 | +} |
| 167 | +//--------------------------------------------------------------------------- |
| 168 | +void __fastcall TDBAwareForm::rxDBGrid1GetCellParams(TObject *Sender, |
| 169 | + TField *Field, TFont *AFont, TColor &Background, bool Highlight) |
| 170 | +{ |
| 171 | + if (Field->FieldName == "Category") { |
| 172 | + AFont->Style = AFont->Style << fsBold; |
| 173 | + } |
| 174 | + else if (Field->FieldName == "Length (cm)") { |
| 175 | + Background = clYellow; |
| 176 | + }; |
| 177 | + int Len = ((TRxDBGrid *)Sender)->DataSource->DataSet->FieldByName("Length (cm)")->AsInteger; |
| 178 | + if ((Len <= 30) && (Len > 0)) { |
| 179 | + Background = clLime; // shortest |
| 180 | + } |
| 181 | + else if (Len >= 150) { |
| 182 | + AFont->Color = clRed; // longest |
| 183 | + }; |
| 184 | + if (Highlight) { |
| 185 | + AFont->Color = clHighlightText; |
| 186 | + Background = clHighlight; |
| 187 | + } |
| 188 | +} |
| 189 | +//--------------------------------------------------------------------------- |
| 190 | + |
| 191 | + |
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