1 | unit UJobProgressView;
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2 |
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3 | {$MODE Delphi}
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4 |
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5 | interface
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6 |
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7 | uses
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8 | SysUtils, Variants, Classes, Graphics, Controls, Forms, Syncobjs,
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9 | Dialogs, ComCtrls, StdCtrls, ExtCtrls, Contnrs, UThreading, Math,
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10 | DateUtils;
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11 |
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12 | const
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13 | EstimatedTimeShowTreshold = 4;
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14 | EstimatedTimeShowTresholdTotal = 1;
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15 | UpdateInterval = 100; // ms
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16 |
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17 | type
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18 |
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19 | { TProgress }
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20 |
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21 | TProgress = class
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22 | private
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23 | FLock: TCriticalSection;
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24 | FOnChange: TNotifyEvent;
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25 | FText: string;
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26 | FValue: Integer;
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27 | FMax: Integer;
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28 | procedure SetMax(const AValue: Integer);
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29 | procedure SetText(AValue: string);
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30 | procedure SetValue(const AValue: Integer);
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31 | public
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32 | procedure Increment;
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33 | procedure Reset;
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34 | constructor Create;
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35 | destructor Destroy; override;
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36 | property Value: Integer read FValue write SetValue;
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37 | property Max: Integer read FMax write SetMax;
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38 | property Text: string read FText write SetText;
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39 | property OnChange: TNotifyEvent read FOnChange write FOnChange;
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40 | end;
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41 |
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42 | TFormJobProgressView = class;
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43 | TJobProgressView = class;
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44 | TJobThread = class;
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45 | TJob = class;
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46 |
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47 | TJobProgressViewMethod = procedure(Job: TJob) of object;
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48 |
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49 | { TJob }
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50 |
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51 | TJob = class
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52 | private
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53 | FTerminate: Boolean;
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54 | procedure SetTerminate(const AValue: Boolean);
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55 | public
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56 | StartTime: TDateTime;
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57 | EndTime: TDateTime;
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58 | ProgressView: TJobProgressView;
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59 | Title: string;
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60 | Method: TJobProgressViewMethod;
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61 | NoThreaded: Boolean;
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62 | WaitFor: Boolean;
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63 | Progress: TProgress;
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64 | Thread: TJobThread;
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65 | ResultString: string;
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66 | Finished: Boolean;
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67 | procedure AddLogItem(Value: string);
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68 | constructor Create;
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69 | destructor Destroy; override;
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70 | property Terminate: Boolean read FTerminate write SetTerminate;
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71 | end;
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72 |
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73 | TJobs = class(TObjectList)
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74 | end;
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75 |
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76 | TJobThread = class(TListedThread)
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77 | procedure Execute; override;
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78 | public
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79 | ProgressView: TJobProgressView;
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80 | Job: TJob;
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81 | end;
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82 |
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83 | { TFormJobProgressView }
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84 |
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85 | TFormJobProgressView = class(TForm)
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86 | ImageList1: TImageList;
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87 | LabelText: TLabel;
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88 | Label2: TLabel;
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89 | LabelOperation: TLabel;
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90 | LabelEstimatedTimePart: TLabel;
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91 | LabelEstimatedTimeTotal: TLabel;
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92 | ListViewJobs: TListView;
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93 | MemoLog: TMemo;
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94 | PanelText: TPanel;
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95 | PanelProgressTotal: TPanel;
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96 | PanelOperationsTitle: TPanel;
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97 | PanelLog: TPanel;
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98 | PanelOperations: TPanel;
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99 | PanelProgress: TPanel;
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100 | ProgressBarPart: TProgressBar;
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101 | ProgressBarTotal: TProgressBar;
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102 | TimerUpdate: TTimer;
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103 | procedure FormHide(Sender: TObject);
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104 | procedure FormShow(Sender: TObject);
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105 | procedure ReloadJobList;
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106 | procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
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107 | procedure FormDestroy(Sender: TObject);
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108 | procedure ListViewJobsData(Sender: TObject; Item: TListItem);
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109 | procedure TimerUpdateTimer(Sender: TObject);
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110 | procedure FormCreate(Sender: TObject);
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111 | procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
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112 | procedure UpdateHeight;
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113 | public
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114 | JobProgressView: TJobProgressView;
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115 | end;
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116 |
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117 | { TJobProgressView }
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118 |
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119 | TJobProgressView = class(TComponent)
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120 | private
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121 | FAutoClose: Boolean;
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122 | Finished: Boolean;
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123 | FOnJobFinish: TJobProgressViewMethod;
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124 | FOnOwnerDraw: TNotifyEvent;
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125 | FOwnerDraw: Boolean;
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126 | FShowDelay: Integer;
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127 | FTerminate: Boolean;
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128 | FormList: TList;
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129 | TotalStartTime: TDateTime;
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130 | Log: TStringList;
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131 | FForm: TFormJobProgressView;
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132 | procedure SetTerminate(const AValue: Boolean);
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133 | procedure UpdateProgress;
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134 | procedure JobProgressChange(Sender: TObject);
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135 | public
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136 | Jobs: TJobs;
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137 | CurrentJob: TJob;
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138 | CurrentJobIndex: Integer;
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139 | constructor Create(TheOwner: TComponent); override;
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140 | destructor Destroy; override;
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141 | procedure Clear;
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142 | function AddJob(Title: string; Method: TJobProgressViewMethod;
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143 | NoThreaded: Boolean = False; WaitFor: Boolean = False): TJob;
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144 | procedure Start;
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145 | procedure Stop;
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146 | procedure TermSleep(Delay: Integer);
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147 | property Form: TFormJobProgressView read FForm;
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148 | property Terminate: Boolean read FTerminate write SetTerminate;
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149 | published
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150 | property OwnerDraw: Boolean read FOwnerDraw write FOwnerDraw;
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151 | property ShowDelay: Integer read FShowDelay write FShowDelay;
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152 | property AutoClose: Boolean read FAutoClose write FAutoClose;
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153 | property OnJobFinish: TJobProgressViewMethod read FOnJobFinish
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154 | write FOnJobFinish;
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155 | property OnOwnerDraw: TNotifyEvent read FOnOwnerDraw
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156 | write FOnOwnerDraw;
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157 | end;
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158 |
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159 | //var
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160 | // FormJobProgressView: TFormJobProgressView;
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161 |
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162 | procedure Register;
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163 |
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164 | resourcestring
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165 | SExecuted = 'Executed';
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166 |
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167 | implementation
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168 |
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169 | {$R *.lfm}
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170 |
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171 | resourcestring
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172 | SPleaseWait = 'Please wait...';
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173 | STerminate = 'Termination';
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174 | SEstimatedTime = 'Estimated time: %s';
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175 | STotalEstimatedTime = 'Total estimated time: %s';
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176 | SFinished = 'Finished';
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177 | SOperations = 'Operations:';
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178 |
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179 | procedure Register;
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180 | begin
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181 | RegisterComponents('Common', [TJobProgressView]);
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182 | end;
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183 |
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184 | { TJobThread }
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185 |
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186 | procedure TJobThread.Execute;
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187 | begin
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188 | try
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189 | try
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190 | //raise Exception.Create('Exception in job');
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191 | ProgressView.CurrentJob.Method(Job);
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192 | except
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193 | on E: Exception do begin
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194 | ProgressView.Terminate := True;
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195 | raise;
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196 | end;
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197 | end;
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198 | finally
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199 | Terminate;
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200 | end;
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201 | end;
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202 |
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203 | { TFormJobProgressView }
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204 |
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205 | procedure TFormJobProgressView.UpdateHeight;
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206 | var
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207 | H: Integer;
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208 | PanelOperationsVisible: Boolean;
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209 | PanelOperationsHeight: Integer;
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210 | PanelProgressVisible: Boolean;
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211 | PanelProgressTotalVisible: Boolean;
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212 | PanelLogVisible: Boolean;
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213 | MemoLogHeight: Integer = 200;
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214 | I: Integer;
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215 | ItemRect: TRect;
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216 | MaxH: Integer;
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217 | begin
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218 | H := PanelOperationsTitle.Height;
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219 | PanelOperationsVisible := JobProgressView.Jobs.Count > 0;
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220 | if PanelOperationsVisible <> PanelOperations.Visible then
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221 | PanelOperations.Visible := PanelOperationsVisible;
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222 | if ListViewJobs.Items.Count > 0 then begin
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223 | Maxh := 0;
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224 | for I := 0 to ListViewJobs.Items.Count - 1 do
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225 | begin
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226 | ItemRect := ListViewJobs.Items[i].DisplayRect(drBounds);
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227 | Maxh := Max(Maxh, ItemRect.Top + (ItemRect.Bottom - ItemRect.Top));
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228 | end;
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229 | PanelOperationsHeight := Scale96ToScreen(12) + Maxh;
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230 | end else PanelOperationsHeight := Scale96ToScreen(8);
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231 | if PanelOperationsHeight <> PanelOperations.Height then
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232 | PanelOperations.Height := PanelOperationsHeight;
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233 | if PanelOperationsVisible then
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234 | H := H + PanelOperations.Height;
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235 |
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236 | PanelProgressVisible := (JobProgressView.Jobs.Count > 0) and not JobProgressView.Finished;
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237 | if PanelProgressVisible <> PanelProgress.Visible then
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238 | PanelProgress.Visible := PanelProgressVisible;
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239 | if PanelProgressVisible then
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240 | H := H + PanelProgress.Height;
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241 | PanelProgressTotalVisible := (JobProgressView.Jobs.Count > 1) and not JobProgressView.Finished;
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242 | if PanelProgressTotalVisible <> PanelProgressTotal.Visible then
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243 | PanelProgressTotal.Visible := PanelProgressTotalVisible;
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244 | if PanelProgressTotalVisible then
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245 | H := H + PanelProgressTotal.Height;
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246 | Constraints.MinHeight := H;
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247 | PanelLogVisible := MemoLog.Lines.Count > 0;
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248 | if PanelLogVisible <> PanelLog.Visible then
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249 | PanelLog.Visible := PanelLogVisible;
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250 | if PanelLogVisible then
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251 | H := H + Scale96ToScreen(MemoLogHeight);
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252 | if PanelText.Visible then
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253 | H := H + PanelText.Height;
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254 | if Height <> H then begin
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255 | Height := H;
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256 | Top := (Screen.Height - H) div 2;
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257 | end;
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258 | end;
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259 |
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260 | procedure TFormJobProgressView.TimerUpdateTimer(Sender: TObject);
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261 | var
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262 | ProgressBarPartVisible: Boolean;
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263 | ProgressBarTotalVisible: Boolean;
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264 | begin
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265 | JobProgressView.UpdateProgress;
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266 | if Visible and (not ProgressBarPart.Visible) and
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267 | Assigned(JobProgressView.CurrentJob) and
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268 | (JobProgressView.CurrentJob.Progress.Value > 0) then begin
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269 | ProgressBarPartVisible := True;
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270 | if ProgressBarPartVisible <> ProgressBarPart.Visible then
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271 | ProgressBarPart.Visible := ProgressBarPartVisible;
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272 | ProgressBarTotalVisible := True;
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273 | if ProgressBarTotalVisible <> ProgressBarTotal.Visible then
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274 | ProgressBarTotal.Visible := ProgressBarTotalVisible;
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275 | end;
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276 | if not Visible then begin
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277 | TimerUpdate.Interval := UpdateInterval;
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278 | if not JobProgressView.OwnerDraw then Show;
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279 | end;
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280 | if Assigned(JobProgressView.CurrentJob) then begin
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281 | LabelText.Caption := JobProgressView.CurrentJob.Progress.Text;
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282 | if LabelText.Caption <> '' then begin
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283 | PanelText.Visible := True;
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284 | UpdateHeight;
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285 | end;
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286 | end;
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287 | end;
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288 |
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289 | procedure TFormJobProgressView.FormDestroy(Sender:TObject);
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290 | begin
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291 | end;
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292 |
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293 | procedure TFormJobProgressView.ListViewJobsData(Sender: TObject; Item: TListItem);
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294 | begin
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295 | if (Item.Index >= 0) and (Item.Index < JobProgressView.Jobs.Count) then
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296 | with TJob(JobProgressView.Jobs[Item.Index]) do begin
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297 | Item.Caption := Title;
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298 | if Item.Index = JobProgressView.CurrentJobIndex then Item.ImageIndex := 1
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299 | else if Finished then Item.ImageIndex := 0
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300 | else Item.ImageIndex := 2;
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301 | Item.Data := JobProgressView.Jobs[Item.Index];
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302 | end;
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303 | end;
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304 |
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305 | procedure TFormJobProgressView.FormClose(Sender: TObject;
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306 | var CloseAction: TCloseAction);
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307 | begin
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308 | end;
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309 |
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310 | procedure TFormJobProgressView.FormCreate(Sender: TObject);
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311 | begin
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312 | Caption := SPleaseWait;
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313 | try
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314 | //Animate1.FileName := ExtractFileDir(UTF8Encode(Application.ExeName)) +
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315 | // DirectorySeparator + 'horse.avi';
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316 | //Animate1.Active := True;
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317 | except
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318 |
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319 | end;
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320 | end;
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321 |
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322 | procedure TFormJobProgressView.ReloadJobList;
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323 | begin
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324 | // Workaround for not showing first line
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325 | //Form.ListViewJobs.Items.Count := Jobs.Count + 1;
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326 | //Form.ListViewJobs.Refresh;
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327 |
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328 | if ListViewJobs.Items.Count <> JobProgressView.Jobs.Count then
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329 | ListViewJobs.Items.Count := JobProgressView.Jobs.Count;
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330 | ListViewJobs.Refresh;
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331 | Application.ProcessMessages;
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332 | UpdateHeight;
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333 | end;
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334 |
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335 | procedure TFormJobProgressView.FormShow(Sender: TObject);
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336 | begin
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337 | ReloadJobList;
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338 | end;
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339 |
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340 | procedure TFormJobProgressView.FormHide(Sender: TObject);
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341 | begin
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342 | JobProgressView.Jobs.Clear;
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343 | ReloadJobList;
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344 | end;
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345 |
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346 | procedure TFormJobProgressView.FormCloseQuery(Sender: TObject; var CanClose: Boolean);
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347 | begin
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348 | CanClose := JobProgressView.Finished;
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349 | JobProgressView.Terminate := True;
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350 | Caption := SPleaseWait + STerminate;
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351 | end;
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352 |
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353 |
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354 | { TJobProgressView }
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355 |
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356 | function TJobProgressView.AddJob(Title: string; Method: TJobProgressViewMethod;
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357 | NoThreaded: Boolean = False; WaitFor: Boolean = False): TJob;
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358 | begin
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359 | Result := TJob.Create;
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360 | Result.ProgressView := Self;
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361 | Result.Title := Title;
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362 | Result.Method := Method;
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363 | Result.NoThreaded := NoThreaded;
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364 | Result.WaitFor := WaitFor;
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365 | Result.Progress.Max := 100;
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366 | Result.Progress.Reset;
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367 | Result.Progress.OnChange := JobProgressChange;
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368 | Jobs.Add(Result);
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369 | //ReloadJobList;
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370 | end;
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371 |
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372 | procedure TJobProgressView.Start;
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373 | var
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374 | I: Integer;
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375 | begin
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376 | Terminate := False;
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377 |
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378 | if not OwnerDraw then Form.BringToFront;
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379 |
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380 | Finished := False;
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381 | Form.Caption := SPleaseWait;
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382 | try
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383 | FormList := Screen.DisableForms(Form);
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384 | Log.Clear;
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385 | Form.MemoLog.Clear;
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386 |
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387 | Form.PanelText.Visible := False;
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388 | Form.LabelEstimatedTimePart.Visible := False;
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389 | Form.LabelEstimatedTimeTotal.Visible := False;
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390 |
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391 | CurrentJob := nil;
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392 | if ShowDelay = 0 then begin
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393 | Form.TimerUpdate.Interval := UpdateInterval;
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394 | Form.TimerUpdate.Enabled := True;
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395 | Form.TimerUpdateTimer(Self);
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396 | end else begin
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397 | Form.TimerUpdate.Interval := ShowDelay;
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398 | Form.TimerUpdate.Enabled := True;
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399 | end;
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400 |
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401 | TotalStartTime := Now;
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402 | Form.ProgressBarTotal.Position := 0;
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403 | Form.ProgressBarTotal.Visible := False;
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404 | //UpdateHeight;
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405 |
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406 | I := 0;
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407 | while I < Jobs.Count do
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408 | with TJob(Jobs[I]) do begin
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409 | CurrentJobIndex := I;
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410 | CurrentJob := TJob(Jobs[I]);
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411 | JobProgressChange(Self);
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412 | StartTime := Now;
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413 | Form.LabelEstimatedTimePart.Caption := Format(SEstimatedTime, ['']);
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414 | Form.ProgressBarPart.Position := 0;
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415 | Form.ProgressBarPart.Visible := False;
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416 | //Show;
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417 | Form.ReloadJobList;
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418 | Application.ProcessMessages;
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419 | if NoThreaded then begin
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420 | Thread := nil;
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421 | Method(CurrentJob);
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422 | end else begin
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423 | try
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424 | Thread := TJobThread.Create(True);
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425 | with Thread do begin
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426 | FreeOnTerminate := False;
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427 | Job := CurrentJob;
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428 | Name := 'Job: ' + Job.Title;
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429 | ProgressView := Self;
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430 | Start;
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431 | while not Terminated do begin
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432 | Application.ProcessMessages;
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433 | Sleep(1);
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434 | end;
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435 | WaitFor;
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436 | end;
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437 | finally
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438 | FreeAndNil(Thread);
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439 | end;
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440 | end;
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441 | Form.ProgressBarPart.Hide;
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442 | if Assigned(FOnJobFinish) then
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443 | FOnJobFinish(CurrentJob);
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444 | if Terminate then Break;
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445 | EndTime := Now;
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446 | Finished := True;
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447 | Inc(I);
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448 | end;
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449 | finally
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450 | CurrentJob := nil;
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451 | Form.TimerUpdate.Enabled := False;
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452 | Screen.EnableForms(FormList);
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453 | //if Visible then Hide;
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454 | Form.MemoLog.Lines.Assign(Log);
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455 | if (Form.MemoLog.Lines.Count = 0) and FAutoClose then begin
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456 | Form.Hide;
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457 | end;
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458 | if not Form.Visible then Clear;
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459 | Form.Caption := SFinished;
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460 | //LabelEstimatedTimePart.Visible := False;
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461 | Finished := True;
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462 | CurrentJobIndex := -1;
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463 | Form.ReloadJobList;
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464 | end;
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465 | end;
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466 |
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467 | procedure TJobProgressView.JobProgressChange(Sender: TObject);
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468 | begin
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469 | if Assigned(FOnOwnerDraw) then
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470 | FOnOwnerDraw(Self);
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471 | end;
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472 |
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473 | procedure TJobProgressView.Stop;
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474 | begin
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475 | Terminate := True;
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476 | end;
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477 |
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478 | procedure TJobProgressView.TermSleep(Delay: Integer);
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479 | const
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480 | Quantum = 100;
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481 | var
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482 | I: Integer;
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483 | begin
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484 | Sleep(Delay mod Quantum);
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485 | for I := 1 to (Delay div Quantum) do begin
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486 | if Terminate then Break;
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487 | Sleep(Quantum);
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488 | end;
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489 | end;
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490 |
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491 | procedure TJobProgressView.SetTerminate(const AValue: Boolean);
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492 | var
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493 | I: Integer;
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494 | begin
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495 | if AValue = FTerminate then Exit;
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496 | for I := 0 to Jobs.Count - 1 do
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497 | TJob(Jobs[I]).Terminate := AValue;
|
---|
498 | FTerminate := AValue;
|
---|
499 | end;
|
---|
500 |
|
---|
501 | procedure TJobProgressView.UpdateProgress;
|
---|
502 | const
|
---|
503 | OneJobValue: Integer = 100;
|
---|
504 | var
|
---|
505 | TotalMax: Integer;
|
---|
506 | TotalValue: Integer;
|
---|
507 | EstimatedTimePart: TDateTime;
|
---|
508 | RemainingTime: TDateTime;
|
---|
509 | begin
|
---|
510 | if Assigned(CurrentJob) then
|
---|
511 | with CurrentJob, Form do begin
|
---|
512 | // Part progress
|
---|
513 | ProgressBarPart.Max := Progress.Max;
|
---|
514 | ProgressBarPart.Position := Progress.Value;
|
---|
515 | if (Progress.Value >= EstimatedTimeShowTreshold) then begin
|
---|
516 | EstimatedTimePart := (Now - StartTime) / Progress.Value * (Progress.Max - Progress.Value);
|
---|
517 | LabelEstimatedTimePart.Caption := Format(SEstimatedTime, [
|
---|
518 | TimeToStr(EstimatedTimePart)]);
|
---|
519 | LabelEstimatedTimePart.Visible := True;
|
---|
520 | end;
|
---|
521 |
|
---|
522 | // Total progress
|
---|
523 | TotalMax := Jobs.Count * OneJobValue;
|
---|
524 | TotalValue := Int64(CurrentJobIndex) * OneJobValue +
|
---|
525 | Round(Progress.Value / Progress.Max * OneJobValue);
|
---|
526 | ProgressBarTotal.Max := TotalMax;
|
---|
527 | ProgressBarTotal.Position := TotalValue;
|
---|
528 | if (TotalValue >= EstimatedTimeShowTresholdTotal) then begin
|
---|
529 | // Project estimated time according part estimated time plus
|
---|
530 | // estimated time by elapsed time divided by elapsed ticks mutiplied by rest ticks
|
---|
531 | RemainingTime := EstimatedTimePart +
|
---|
532 | (Now - TotalStartTime + EstimatedTimePart) /
|
---|
533 | ((CurrentJobIndex + 1) * OneJobValue) *
|
---|
534 | ((Jobs.Count - 1 - CurrentJobIndex) * OneJobValue);
|
---|
535 | if (RemainingTime > 0) and (RemainingTime < EncodeDate(2100, 1, 1)) then begin
|
---|
536 | LabelEstimatedTimeTotal.Caption := Format(STotalEstimatedTime, [
|
---|
537 | TimeToStr(RemainingTime)]);
|
---|
538 | LabelEstimatedTimeTotal.Visible := True;
|
---|
539 | end else begin
|
---|
540 | LabelEstimatedTimeTotal.Visible := False;
|
---|
541 | end;
|
---|
542 | end;
|
---|
543 | end;
|
---|
544 | end;
|
---|
545 |
|
---|
546 | constructor TJobProgressView.Create(TheOwner: TComponent);
|
---|
547 | begin
|
---|
548 | inherited;
|
---|
549 | if not (csDesigning in ComponentState) then begin
|
---|
550 | FForm := TFormJobProgressView.Create(Self);
|
---|
551 | FForm.JobProgressView := Self;
|
---|
552 | end;
|
---|
553 | Jobs := TJobs.Create;
|
---|
554 | Log := TStringList.Create;
|
---|
555 | //PanelOperationsTitle.Height := 80;
|
---|
556 | AutoClose := True;
|
---|
557 | ShowDelay := 0;
|
---|
558 | end;
|
---|
559 |
|
---|
560 | procedure TJobProgressView.Clear;
|
---|
561 | begin
|
---|
562 | Jobs.Clear;
|
---|
563 | Log.Clear;
|
---|
564 | //ReloadJobList;
|
---|
565 | end;
|
---|
566 |
|
---|
567 | destructor TJobProgressView.Destroy;
|
---|
568 | begin
|
---|
569 | FreeAndNil(Log);
|
---|
570 | FreeAndNil(Jobs);
|
---|
571 | inherited;
|
---|
572 | end;
|
---|
573 |
|
---|
574 | { TProgress }
|
---|
575 |
|
---|
576 | procedure TProgress.SetMax(const AValue: Integer);
|
---|
577 | begin
|
---|
578 | try
|
---|
579 | FLock.Acquire;
|
---|
580 | FMax := AValue;
|
---|
581 | if FMax < 1 then FMax := 1;
|
---|
582 | if FValue >= FMax then FValue := FMax;
|
---|
583 | finally
|
---|
584 | FLock.Release;
|
---|
585 | end;
|
---|
586 | end;
|
---|
587 |
|
---|
588 | procedure TProgress.SetText(AValue: string);
|
---|
589 | begin
|
---|
590 | try
|
---|
591 | FLock.Acquire;
|
---|
592 | if FText = AValue then Exit;
|
---|
593 | FText := AValue;
|
---|
594 | finally
|
---|
595 | FLock.Release;
|
---|
596 | end;
|
---|
597 | end;
|
---|
598 |
|
---|
599 | procedure TProgress.SetValue(const AValue: Integer);
|
---|
600 | var
|
---|
601 | Change: Boolean;
|
---|
602 | begin
|
---|
603 | try
|
---|
604 | FLock.Acquire;
|
---|
605 | if AValue < Max then begin
|
---|
606 | Change := AValue <> FValue;
|
---|
607 | FValue := AValue;
|
---|
608 | if Change and Assigned(FOnChange) then
|
---|
609 | try
|
---|
610 | FLock.Release;
|
---|
611 | FOnChange(Self);
|
---|
612 | finally
|
---|
613 | FLock.Acquire;
|
---|
614 | end;
|
---|
615 | end;
|
---|
616 | finally
|
---|
617 | FLock.Release;
|
---|
618 | end;
|
---|
619 | end;
|
---|
620 |
|
---|
621 | procedure TProgress.Increment;
|
---|
622 | begin
|
---|
623 | try
|
---|
624 | FLock.Acquire;
|
---|
625 | Value := Value + 1;
|
---|
626 | finally
|
---|
627 | FLock.Release;
|
---|
628 | end;
|
---|
629 | end;
|
---|
630 |
|
---|
631 | procedure TProgress.Reset;
|
---|
632 | begin
|
---|
633 | try
|
---|
634 | FLock.Acquire;
|
---|
635 | FValue := 0;
|
---|
636 | finally
|
---|
637 | FLock.Release;
|
---|
638 | end;
|
---|
639 | end;
|
---|
640 |
|
---|
641 | constructor TProgress.Create;
|
---|
642 | begin
|
---|
643 | FMax := 100;
|
---|
644 | FLock := TCriticalSection.Create;
|
---|
645 | end;
|
---|
646 |
|
---|
647 | destructor TProgress.Destroy;
|
---|
648 | begin
|
---|
649 | FLock.Free;
|
---|
650 | inherited Destroy;
|
---|
651 | end;
|
---|
652 |
|
---|
653 | { TJob }
|
---|
654 |
|
---|
655 | procedure TJob.SetTerminate(const AValue: Boolean);
|
---|
656 | begin
|
---|
657 | if FTerminate = AValue then Exit;
|
---|
658 | FTerminate := AValue;
|
---|
659 | if AValue then begin
|
---|
660 | ProgressView.Terminate := AValue;
|
---|
661 | if Assigned(Thread) then Thread.Terminate;
|
---|
662 | end;
|
---|
663 | end;
|
---|
664 |
|
---|
665 | procedure TJob.AddLogItem(Value: string);
|
---|
666 | begin
|
---|
667 | with ProgressView do begin
|
---|
668 | Log.Add(Value);
|
---|
669 | end;
|
---|
670 | end;
|
---|
671 |
|
---|
672 | constructor TJob.Create;
|
---|
673 | begin
|
---|
674 | Progress := TProgress.Create;
|
---|
675 | Terminate := False;
|
---|
676 | Finished := False;
|
---|
677 | end;
|
---|
678 |
|
---|
679 | destructor TJob.Destroy;
|
---|
680 | begin
|
---|
681 | Progress.Free;
|
---|
682 | inherited;
|
---|
683 | end;
|
---|
684 |
|
---|
685 | end.
|
---|