1 | unit UFormCategories;
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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 | Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs, ComCtrls,
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9 | ActnList, Menus, UAcronym, UListViewSort;
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10 |
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11 | type
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12 |
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13 | { TFormCategories }
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14 |
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15 | TFormCategories = class(TForm)
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16 | AAdd: TAction;
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17 | AEnable: TAction;
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18 | ADisable: TAction;
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19 | ASelectAll: TAction;
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20 | ARemove: TAction;
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21 | AModify: TAction;
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22 | ActionList1: TActionList;
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23 | ListViewCategories: TListView;
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24 | ListViewSort1: TListViewSort;
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25 | MenuItem1: TMenuItem;
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26 | MenuItem2: TMenuItem;
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27 | MenuItem3: TMenuItem;
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28 | MenuItem4: TMenuItem;
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29 | MenuItem5: TMenuItem;
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30 | MenuItem6: TMenuItem;
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31 | MenuItem7: TMenuItem;
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32 | PopupMenuCategory: TPopupMenu;
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33 | ToolBar1: TToolBar;
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34 | ToolButton1: TToolButton;
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35 | ToolButton2: TToolButton;
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36 | ToolButton3: TToolButton;
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37 | procedure AAddExecute(Sender: TObject);
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38 | procedure ADisableExecute(Sender: TObject);
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39 | procedure AEnableExecute(Sender: TObject);
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40 | procedure AModifyExecute(Sender: TObject);
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41 | procedure ARemoveExecute(Sender: TObject);
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42 | procedure ASelectAllExecute(Sender: TObject);
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43 | procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
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44 | procedure FormCreate(Sender: TObject);
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45 | procedure FormShow(Sender: TObject);
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46 | procedure ListViewCategoriesChange(Sender: TObject; Item: TListItem;
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47 | Change: TItemChange);
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48 | procedure ListViewCategoriesData(Sender: TObject; Item: TListItem);
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49 | procedure ListViewCategoriesDblClick(Sender: TObject);
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50 | procedure ListViewCategoriesKeyPress(Sender: TObject; var Key: char);
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51 | procedure ListViewCategoriesSelectItem(Sender: TObject; Item: TListItem;
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52 | Selected: Boolean);
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53 | function ListViewSort1CompareItem(Item1, Item2: TObject): Integer;
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54 | procedure ListViewSort1Filter(ListViewSort: TListViewSort);
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55 | private
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56 | { private declarations }
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57 | public
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58 | Categories: TAcronymCategories;
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59 | procedure UpdateList;
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60 | procedure UpdateInterface;
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61 | end;
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62 |
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63 | var
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64 | FormCategories: TFormCategories;
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65 |
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66 | implementation
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67 |
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68 | {$R *.lfm}
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69 |
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70 | uses
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71 | UCore;
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72 |
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73 | resourcestring
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74 | SCategory = 'Category';
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75 | SCategoryQuery = 'Enter name of category';
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76 | SRemoveCategory = 'Remove categories';
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77 | SRemoveCategoryQuery = 'Do you really want to remove selected categories?';
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78 | SCategoryAlreadyExists = 'Category %s already exists!';
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79 |
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80 | { TFormCategories }
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81 |
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82 | procedure TFormCategories.FormShow(Sender: TObject);
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83 | begin
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84 | Core.PersistentForm1.Load(Self);
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85 | UpdateList;
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86 | Core.ScaleDPI1.ScaleControl(ToolBar1, Core.ScaleDPI1.DesignDPI);
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87 | end;
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88 |
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89 | procedure TFormCategories.ListViewCategoriesChange(Sender: TObject;
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90 | Item: TListItem; Change: TItemChange);
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91 | begin
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92 | if Assigned(Item) and (Change = ctState) then begin
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93 | TAcronymCategory(Item.Data).Enabled := Item.Checked;
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94 | Core.AcronymDb.Modified := True;
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95 | end;
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96 | end;
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97 |
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98 | procedure TFormCategories.AAddExecute(Sender: TObject);
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99 | var
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100 | S: string;
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101 | begin
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102 | S := InputBox(SCategory, SCategoryQuery, '');
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103 | if S <> '' then begin
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104 | if not Assigned(Core.AcronymDb.Categories.SearchByName(S)) then begin;
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105 | TAcronymCategory(Core.AcronymDb.Categories[Core.AcronymDb.Categories.Add(TAcronymCategory.Create)]).Name := S;
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106 | Core.AcronymDb.Modified := True;
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107 | Core.AcronymDb.Update;
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108 | UpdateList;
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109 | end else ShowMessage(Format(SCategoryAlreadyExists, [S]));
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110 | end;
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111 | end;
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112 |
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113 | procedure TFormCategories.ADisableExecute(Sender: TObject);
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114 | var
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115 | I: Integer;
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116 | begin
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117 | for I := ListViewCategories.Items.Count - 1 downto 0 do
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118 | if ListViewCategories.Items[I].Selected then begin
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119 | TAcronymCategory(ListViewCategories.Items[I].Data).Enabled := False;
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120 | Core.AcronymDb.Modified := True;
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121 | end;
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122 | UpdateList;
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123 | end;
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124 |
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125 | procedure TFormCategories.AEnableExecute(Sender: TObject);
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126 | var
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127 | I: Integer;
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128 | begin
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129 | for I := ListViewCategories.Items.Count - 1 downto 0 do
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130 | if ListViewCategories.Items[I].Selected then begin
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131 | TAcronymCategory(ListViewCategories.Items[I].Data).Enabled := True;
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132 | Core.AcronymDb.Modified := True;
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133 | end;
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134 | UpdateList;
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135 | end;
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136 |
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137 | procedure TFormCategories.AModifyExecute(Sender: TObject);
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138 | var
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139 | S: string;
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140 | begin
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141 | if Assigned(ListViewCategories.Selected) then begin
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142 | S := InputBox(SCategory, SCategoryQuery, ListViewCategories.Selected.Caption);
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143 | if S <> ListViewCategories.Selected.Caption then begin
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144 | if not Assigned(Core.AcronymDb.Categories.SearchByName(S)) then begin;
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145 | TAcronymCategory(ListViewCategories.Selected.Data).Name := S;
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146 | Core.AcronymDb.Modified := True;
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147 | Core.AcronymDb.Update;
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148 | UpdateList;
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149 | end else ShowMessage(Format(SCategoryAlreadyExists, [S]));
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150 | end;
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151 | end;
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152 | end;
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153 |
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154 | procedure TFormCategories.ARemoveExecute(Sender: TObject);
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155 | var
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156 | I: Integer;
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157 | begin
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158 | if Assigned(ListViewCategories.Selected) then begin
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159 | if MessageDlg(SRemoveCategory, SRemoveCategoryQuery,
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160 | TMsgDlgType.mtConfirmation, [mbCancel, mbOk], 0) = mrOk then begin
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161 | Categories.Db.BeginUpdate;
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162 | for I := ListViewCategories.Items.Count - 1 downto 0 do
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163 | if ListViewCategories.Items[I].Selected then
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164 | Categories.Remove(ListViewCategories.Items[I].Data);
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165 | Categories.Db.EndUpdate;
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166 | UpdateList;
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167 | end;
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168 | end;
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169 | end;
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170 |
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171 | procedure TFormCategories.ASelectAllExecute(Sender: TObject);
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172 | var
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173 | I: Integer;
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174 | begin
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175 | for I := 0 to ListViewCategories.Items.Count - 1 do
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176 | ListViewCategories.Items[I].Selected := True;
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177 | end;
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178 |
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179 | procedure TFormCategories.FormClose(Sender: TObject;
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180 | var CloseAction: TCloseAction);
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181 | begin
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182 | Core.PersistentForm1.Save(Self);
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183 | end;
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184 |
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185 | procedure TFormCategories.FormCreate(Sender: TObject);
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186 | var
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187 | I: Integer;
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188 | begin
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189 | Core.CoolTranslator1.TranslateComponentRecursive(Self);
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190 | for I := 0 to ToolBar1.ButtonCount - 1 do
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191 | ToolBar1.Buttons[I].Hint := ToolBar1.Buttons[I].Caption;
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192 | end;
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193 |
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194 | procedure TFormCategories.ListViewCategoriesData(Sender: TObject; Item: TListItem);
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195 | begin
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196 | if Item.Index < ListViewSort1.List.Count then
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197 | with TAcronymCategory(ListViewSort1.List[Item.Index]) do begin
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198 | Item.Caption := Name;
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199 | Item.Data := ListViewSort1.List[Item.Index];
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200 | Item.SubItems.Add(IntToStr(AcronymMeanings.Count));
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201 | Item.Checked := Enabled;
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202 | end;
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203 | end;
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204 |
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205 | procedure TFormCategories.ListViewCategoriesDblClick(Sender: TObject);
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206 | begin
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207 | AModify.Execute;
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208 | end;
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209 |
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210 | procedure TFormCategories.ListViewCategoriesKeyPress(Sender: TObject;
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211 | var Key: char);
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212 | begin
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213 | if Key = #27 then Close;
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214 | end;
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215 |
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216 | procedure TFormCategories.ListViewCategoriesSelectItem(Sender: TObject; Item: TListItem;
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217 | Selected: Boolean);
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218 | begin
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219 | UpdateInterface;
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220 | end;
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221 |
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222 | function TFormCategories.ListViewSort1CompareItem(Item1, Item2: TObject
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223 | ): Integer;
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224 | begin
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225 | Result := 0;
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226 | if Assigned(Item1) and Assigned(Item2) and (ListViewSort1.Order <> soNone) then begin
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227 | with ListViewSort1 do
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228 | case Column of
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229 | 0: Result := CompareString(TAcronymCategory(Item1).Name, TAcronymCategory(Item2).Name);
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230 | 1: Result := CompareInteger(TAcronymCategory(Item1).AcronymMeanings.Count, TAcronymCategory(Item2).AcronymMeanings.Count);
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231 | end;
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232 | if ListViewSort1.Order = soDown then Result := -Result;
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233 | end else Result := 0;
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234 | end;
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235 |
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236 | procedure TFormCategories.ListViewSort1Filter(ListViewSort: TListViewSort);
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237 | begin
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238 | Core.AcronymDb.Categories.AssignToList(ListViewSort1.List);
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239 | end;
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240 |
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241 | procedure TFormCategories.UpdateList;
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242 | begin
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243 | ListViewSort1.Refresh;
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244 | ListViewCategories.Items.Count := Core.AcronymDb.Categories.Count;
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245 | ListViewCategories.Refresh;
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246 | UpdateInterface;
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247 | end;
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248 |
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249 | procedure TFormCategories.UpdateInterface;
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250 | begin
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251 | ARemove.Enabled := Assigned(ListViewCategories.Selected);
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252 | AModify.Enabled := Assigned(ListViewCategories.Selected);
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253 | end;
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254 |
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255 | end.
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256 |
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