1 | unit SearchAnimationU;
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2 |
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3 | interface
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4 |
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5 | uses
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6 | Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
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7 | Dialogs, StdCtrls, Buttons, ComCtrls, ExtCtrls, ImgList;
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8 |
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9 | type
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10 | TfrmTMGServerSearch = class(TForm)
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11 | AnimationImageList: TImageList;
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12 | AnimationImage: TImage;
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13 | lblSearching: TLabel;
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14 | ProgressBar: TProgressBar;
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15 | btnCancel: TBitBtn;
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16 | AnimationTimer: TTimer;
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17 | CheckServerTimer: TTimer;
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18 | lblMessages: TLabel;
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19 | procedure AnimationTimerTimer(Sender: TObject);
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20 | procedure FormCreate(Sender: TObject);
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21 | procedure FormDestroy(Sender: TObject);
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22 | procedure FormShow(Sender: TObject);
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23 | procedure FormHide(Sender: TObject);
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24 | procedure btnCancelClick(Sender: TObject);
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25 | procedure CheckServerTimerTimer(Sender: TObject);
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26 | private
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27 | { Private declarations }
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28 | ImageIndex : integer;
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29 | Picture : TPicture;
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30 | FJobNumber : string;
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31 | procedure UpdatePicture;
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32 | function JobActive(JobNumber : String; OUT PercentDone : Integer;
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33 | OUT Comments : string): Boolean;
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34 | public
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35 | { Public declarations }
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36 | FoundRecsCount : string; //Out parameter only.
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37 | function ActivateForm(JobNumber : string) : integer;
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38 | end;
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39 |
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40 | var
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41 | frmTMGServerSearch: TfrmTMGServerSearch;
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42 |
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43 | implementation
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44 |
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45 | {$R *.dfm}
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46 |
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47 | uses ORNet, ORFn, Trpcb, ORCtrls;
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48 |
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49 | const
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50 | MAX_NUM_IMAGE_INDEX = 15;
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51 |
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52 |
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53 | procedure TfrmTMGServerSearch.FormCreate(Sender: TObject);
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54 | begin
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55 | ImageIndex := 0;
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56 | Picture := TPicture.Create;
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57 | end;
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58 |
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59 | procedure TfrmTMGServerSearch.FormDestroy(Sender: TObject);
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60 | begin
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61 | Picture.Free;
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62 | end;
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63 |
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64 | procedure TfrmTMGServerSearch.FormShow(Sender: TObject);
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65 | begin
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66 | AnimationTimer.Enabled := true;
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67 | CheckServerTimer.Enabled := true;
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68 | end;
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69 |
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70 | procedure TfrmTMGServerSearch.FormHide(Sender: TObject);
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71 | begin
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72 | AnimationTimer.Enabled := false;
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73 | CheckServerTimer.Enabled := false;
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74 | end;
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75 |
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76 | function TfrmTMGServerSearch.ActivateForm(JobNumber : string) : integer;
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77 | begin
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78 | FJobNumber := JobNumber;
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79 | Result := ShowModal;
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80 | end;
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81 |
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82 | procedure TfrmTMGServerSearch.UpdatePicture;
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83 | begin
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84 | Inc(ImageIndex);
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85 | if ImageIndex > MAX_NUM_IMAGE_INDEX then ImageIndex := 0;
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86 | AnimationImageList.GetBitmap(ImageIndex,Picture.Bitmap);
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87 | AnimationImage.Picture.Assign(Picture);
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88 | end;
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89 |
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90 | procedure TfrmTMGServerSearch.AnimationTimerTimer(Sender: TObject);
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91 | begin
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92 | AnimationTimer.Enabled := false;
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93 | UpdatePicture;
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94 | AnimationTimer.Enabled := true;
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95 | end;
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96 |
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97 | procedure TfrmTMGServerSearch.CheckServerTimerTimer(Sender: TObject);
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98 | var PctDone : Integer;
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99 | Comments : string;
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100 | begin
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101 | CheckServerTimer.Enabled := false;
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102 | if JobActive(FJobNumber, PctDone, Comments) = false then begin
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103 | ModalResult := mrOK;
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104 | end;
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105 | ProgressBar.Position := PctDone;
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106 | lblMessages.Caption := Comments;
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107 | CheckServerTimer.Enabled := true;
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108 | end;
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109 |
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110 |
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111 | procedure TfrmTMGServerSearch.btnCancelClick(Sender: TObject);
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112 | begin
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113 | //Do anything needed here before closing form.
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114 | //(Hide function is executed next)
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115 | Self.ModalResult := mrCancel;
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116 | end;
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117 |
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118 |
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119 | function TfrmTMGServerSearch.JobActive(JobNumber : String;
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120 | OUT PercentDone : Integer;
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121 | OUT Comments : string): Boolean;
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122 | //Check the job status
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123 | var cmd, RPCResult : string;
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124 | begin
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125 | RPCBrokerV.remoteprocedure := 'TMG SEARCH CHANNEL';
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126 | RPCBrokerV.param[0].ptype := list;
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127 | RPCBrokerV.Param[0].Value := '.X';
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128 | cmd := 'STATUS';
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129 | cmd := cmd + '^' + JobNumber;
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130 | RPCBrokerV.Param[0].Mult['"REQUEST"'] := cmd;
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131 | RPCBrokerV.Call;
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132 | if RPCBrokerV.Results.Count > 0 then begin
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133 | RPCResult := RPCBrokerV.Results[0];
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134 | //Check piece 1 for -1 that indicates an error...
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135 | if Piece(RPCResult,'^',1) = '-1' then begin
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136 | result := false;
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137 | exit;
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138 | end;
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139 | PercentDone := StrToIntDef(piece(RPCResult,'^',2),0);
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140 | Comments := piece(RPCResult,'^',3);
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141 | FoundRecsCount := piece(RPCResult,'^',4);
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142 | Result := (Comments <> '#DONE#');
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143 | end else begin
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144 | result := true;
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145 | end;
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146 | end;
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147 |
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148 |
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149 |
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150 |
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151 | end.
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152 |
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