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Rev | Author | Line No. | Line |
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8 | daniel-mar | 1 | unit EditorMain; |
2 | daniel-mar | 2 | |
4 | daniel-mar | 3 | (* |
4 | This program requires |
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5 | - Microsoft Internet Controls (TWebBrowser) |
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6 | If you are using Delphi 10.1 Starter Edition, please import the ActiveX TLB |
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7 | "Microsoft Internet Controls" |
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8 | - SynEdit |
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9 | You can obtain SynEdit via Embarcadero GetIt |
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10 | *) |
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11 | |||
2 | daniel-mar | 12 | // TODO: localize |
13 | |||
14 | // TODO: wieso geht copy paste im twebbrowser nicht??? |
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15 | // Wieso dauert webbrowser1 erste kompilierung so lange??? |
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5 | daniel-mar | 16 | // TODO: wieso kommt syntax fehler zweimal? einmal stderr einmal stdout? |
17 | // TODO: Browser titlebar (link preview) |
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2 | daniel-mar | 18 | |
5 | daniel-mar | 19 | // TODO: strg+f / h |
20 | // TODO: font bigger |
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21 | // TODO: code in bildschirmmitte? |
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22 | // TODO: regelmäßig scrap zwischenspeichern, oder bei strg+s |
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23 | |||
2 | daniel-mar | 24 | // Future ideas |
25 | // - ToDo list |
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26 | // - Open/Save real files |
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4 | daniel-mar | 27 | // - multiple scraps? |
2 | daniel-mar | 28 | // - verschiedene php versionen? |
29 | // - webbrowser1 nur laden, wenn man den tab anwählt? |
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30 | // - doppelklick auf tab soll diesen schließen |
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5 | daniel-mar | 31 | // - Onlinehelp (www) aufrufen |
2 | daniel-mar | 32 | |
33 | interface |
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34 | |||
35 | uses |
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36 | Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, |
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4 | daniel-mar | 37 | Dialogs, StdCtrls, OleCtrls, ComCtrls, ExtCtrls, ToolWin, IniFiles, |
38 | SynEditHighlighter, SynHighlighterPHP, SynEdit, SHDocVw_TLB; |
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2 | daniel-mar | 39 | |
40 | type |
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41 | TForm1 = class(TForm) |
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42 | PageControl1: TPageControl; |
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43 | PlaintextTabSheet: TTabSheet; |
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44 | HtmlTabSheet: TTabSheet; |
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45 | Memo2: TMemo; |
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46 | WebBrowser1: TWebBrowser; |
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47 | Splitter1: TSplitter; |
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48 | PageControl2: TPageControl; |
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49 | TabSheet3: TTabSheet; |
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50 | HelpTabsheet: TTabSheet; |
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51 | WebBrowser2: TWebBrowser; |
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52 | OpenDialog1: TOpenDialog; |
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53 | Panel1: TPanel; |
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54 | OpenDialog3: TOpenDialog; |
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4 | daniel-mar | 55 | SynEdit1: TSynEdit; |
56 | SynPHPSyn1: TSynPHPSyn; |
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5 | daniel-mar | 57 | Panel2: TPanel; |
58 | SynEditFocusTimer: TTimer; |
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59 | Button1: TButton; |
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60 | Button2: TButton; |
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61 | Button3: TButton; |
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2 | daniel-mar | 62 | procedure Run(Sender: TObject); |
63 | procedure FormShow(Sender: TObject); |
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64 | procedure FormCreate(Sender: TObject); |
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65 | procedure FormDestroy(Sender: TObject); |
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66 | procedure FormClose(Sender: TObject; var Action: TCloseAction); |
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67 | procedure PageControl2Changing(Sender: TObject; var AllowChange: Boolean); |
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5 | daniel-mar | 68 | procedure Memo2DblClick(Sender: TObject); |
69 | procedure WebBrowser1BeforeNavigate2(ASender: TObject; |
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70 | const pDisp: IDispatch; const URL, Flags, TargetFrameName, PostData, |
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71 | Headers: OleVariant; var Cancel: WordBool); |
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72 | procedure SynEditFocusTimerTimer(Sender: TObject); |
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73 | procedure Button1Click(Sender: TObject); |
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74 | procedure Button2Click(Sender: TObject); |
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75 | procedure Button3Click(Sender: TObject); |
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2 | daniel-mar | 76 | private |
77 | CurSearchTerm: string; |
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78 | HlpPrevPageIndex: integer; |
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79 | procedure Help; |
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80 | procedure ApplicationOnMessage(var Msg: tagMSG; var Handled: Boolean); |
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5 | daniel-mar | 81 | function MarkUpLineReference(cont: string): string; |
2 | daniel-mar | 82 | protected |
83 | ChmIndex: TMemIniFile; |
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5 | daniel-mar | 84 | procedure GotoLineNo(LineNo:integer); |
2 | daniel-mar | 85 | function GetScrapFile: string; |
86 | end; |
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87 | |||
88 | var |
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89 | Form1: TForm1; |
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90 | |||
91 | implementation |
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92 | |||
93 | {$R *.dfm} |
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94 | |||
95 | uses |
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8 | daniel-mar | 96 | Functions, StrUtils, WebBrowserUtils, FastPHPUtils; |
2 | daniel-mar | 97 | |
98 | procedure TForm1.ApplicationOnMessage(var Msg: tagMSG; var Handled: Boolean); |
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5 | daniel-mar | 99 | var |
100 | val: string; |
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101 | lineno: integer; |
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102 | begin |
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2 | daniel-mar | 103 | case Msg.message of |
104 | WM_KEYUP: |
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105 | begin |
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106 | case Msg.wParam of |
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5 | daniel-mar | 107 | {$REGION 'Esc'} |
2 | daniel-mar | 108 | VK_ESCAPE: |
109 | begin |
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5 | daniel-mar | 110 | Handled := true; |
2 | daniel-mar | 111 | // It is necessary to use Application.OnMessage, because Form1.KeyPreview does not work when TWebBrowser has the focus |
112 | if (HlpPrevPageIndex <> -1) and (PageControl2.ActivePage = HelpTabSheet) and |
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113 | (HelpTabsheet.TabVisible) then |
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114 | begin |
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115 | PageControl2.ActivePageIndex := HlpPrevPageIndex; |
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116 | HelpTabsheet.TabVisible := false; |
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117 | end; |
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118 | end; |
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5 | daniel-mar | 119 | {$ENDREGION} |
120 | |||
8 | daniel-mar | 121 | {$REGION 'Ctrl+G (Go to line)'} |
5 | daniel-mar | 122 | ord('G'): |
123 | begin |
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124 | // TODO: VK_LMENU does not work! only works with AltGr but not Alt |
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125 | // http://stackoverflow.com/questions/16828250/delphi-xe2-how-to-prevent-the-alt-key-stealing-focus ? |
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126 | if (GetKeyState(VK_CONTROL) < 0) then |
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127 | begin |
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128 | Handled := true; |
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129 | InputQuery('Go to', 'Line number:', val); |
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130 | if not TryStrToInt(val, lineno) then exit; |
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131 | GotoLineNo(lineno); |
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132 | end; |
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133 | end; |
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134 | {$ENDREGION} |
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135 | |||
8 | daniel-mar | 136 | {$REGION 'Ctrl+S (Save)'} |
137 | ord('S'): |
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138 | begin |
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139 | if (GetKeyState(VK_CONTROL) < 0) and (SynEdit1.Focused) then |
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140 | begin |
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141 | Handled := true; |
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142 | SynEdit1.Lines.SaveToFile(GetScrapFile); |
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143 | end; |
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144 | end; |
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145 | {$ENDREGION} |
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146 | |||
147 | {$REGION 'F1 (Help)'} |
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5 | daniel-mar | 148 | VK_F1: |
149 | begin |
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150 | if SynEdit1.Focused then |
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151 | begin |
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152 | Handled := true; |
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153 | Help; |
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154 | end; |
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155 | end; |
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8 | daniel-mar | 156 | {$ENDREGION} |
5 | daniel-mar | 157 | |
8 | daniel-mar | 158 | {$REGION 'F5 (Run)'} |
5 | daniel-mar | 159 | VK_F5: |
160 | begin |
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161 | Run(Self); |
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162 | end; |
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8 | daniel-mar | 163 | {$ENDREGION} |
5 | daniel-mar | 164 | |
8 | daniel-mar | 165 | {$REGION 'F9 (Run)'} |
5 | daniel-mar | 166 | VK_F9: |
167 | begin |
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168 | Run(Self); |
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169 | end; |
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8 | daniel-mar | 170 | {$ENDREGION} |
2 | daniel-mar | 171 | end; |
172 | end; |
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173 | end; |
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174 | end; |
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175 | |||
176 | procedure TForm1.Run(Sender: TObject); |
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177 | begin |
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5 | daniel-mar | 178 | memo2.Lines.Text := ''; |
8 | daniel-mar | 179 | Webbrowser1.Clear; |
5 | daniel-mar | 180 | Screen.Cursor := crHourGlass; |
181 | Application.ProcessMessages; |
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182 | |||
183 | try |
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184 | SynEdit1.Lines.SaveToFile(GetScrapFile); |
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185 | |||
8 | daniel-mar | 186 | memo2.Lines.Text := RunPHPScript(GetScrapFile); |
5 | daniel-mar | 187 | |
8 | daniel-mar | 188 | Webbrowser1.LoadHTML(MarkUpLineReference(memo2.Lines.Text), GetScrapFile); |
5 | daniel-mar | 189 | |
190 | if IsTextHTML(memo2.lines.text) then |
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191 | PageControl1.ActivePage := HtmlTabSheet |
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192 | else |
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193 | PageControl1.ActivePage := PlaintextTabSheet; |
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194 | finally |
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195 | Screen.Cursor := crDefault; |
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2 | daniel-mar | 196 | end; |
5 | daniel-mar | 197 | end; |
2 | daniel-mar | 198 | |
5 | daniel-mar | 199 | procedure TForm1.SynEditFocusTimerTimer(Sender: TObject); |
200 | begin |
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201 | SynEditFocusTimer.Enabled := false; |
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202 | Button1.SetFocus; // Workaround for weird bug... This (and the timer) is necessary to get the focus to SynEdit1 |
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203 | SynEdit1.SetFocus; |
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204 | end; |
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2 | daniel-mar | 205 | |
5 | daniel-mar | 206 | procedure TForm1.WebBrowser1BeforeNavigate2(ASender: TObject; |
207 | const pDisp: IDispatch; const URL, Flags, TargetFrameName, PostData, |
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208 | Headers: OleVariant; var Cancel: WordBool); |
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209 | var |
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8 | daniel-mar | 210 | s, myURL: string; |
5 | daniel-mar | 211 | lineno: integer; |
7 | daniel-mar | 212 | p: integer; |
5 | daniel-mar | 213 | begin |
7 | daniel-mar | 214 | {$REGION 'Line number references (PHP errors and warnings)'} |
8 | daniel-mar | 215 | if Copy(URL, 1, length(FASTPHP_GOTO_URI_PREFIX)) = FASTPHP_GOTO_URI_PREFIX then |
5 | daniel-mar | 216 | begin |
217 | try |
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8 | daniel-mar | 218 | s := copy(URL, length(FASTPHP_GOTO_URI_PREFIX)+1, 99); |
5 | daniel-mar | 219 | if not TryStrToInt(s, lineno) then exit; |
220 | GotoLineNo(lineno); |
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221 | SynEditFocusTimer.Enabled := true; |
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222 | finally |
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223 | Cancel := true; |
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224 | end; |
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8 | daniel-mar | 225 | Exit; |
5 | daniel-mar | 226 | end; |
7 | daniel-mar | 227 | {$ENDREGION} |
228 | |||
8 | daniel-mar | 229 | {$REGION 'Intelligent browser (executes PHP scripts)'} |
7 | daniel-mar | 230 | if URL <> 'about:blank' then |
231 | begin |
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232 | myUrl := URL; |
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233 | |||
8 | daniel-mar | 234 | p := Pos('?', myUrl); |
235 | if p >= 1 then myURL := copy(myURL, 1, p-1); |
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7 | daniel-mar | 236 | |
8 | daniel-mar | 237 | // TODO: myURL urldecode |
238 | // TODO: maybe we could even open that file in the editor! |
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7 | daniel-mar | 239 | |
8 | daniel-mar | 240 | if FileExists(myURL) and (EndsText('.php', myURL) or EndsText('.php3', myURL) or EndsText('.php4', myURL) or EndsText('.php5', myURL) or EndsText('.phps', myURL)) then |
7 | daniel-mar | 241 | begin |
8 | daniel-mar | 242 | WebBrowser1.LoadHTML(GetDosOutput('"'+GetPHPExe+'" "'+myURL+'"', ExtractFileDir(Application.ExeName)), myUrl); |
7 | daniel-mar | 243 | Cancel := true; |
244 | end; |
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245 | end; |
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246 | {$ENDREGION} |
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5 | daniel-mar | 247 | end; |
2 | daniel-mar | 248 | |
5 | daniel-mar | 249 | procedure TForm1.Button1Click(Sender: TObject); |
250 | begin |
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251 | Run(Sender); |
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252 | SynEdit1.SetFocus; |
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253 | end; |
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2 | daniel-mar | 254 | |
5 | daniel-mar | 255 | procedure TForm1.Button2Click(Sender: TObject); |
256 | begin |
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257 | Help; |
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258 | if PageControl2.ActivePage = HelpTabsheet then |
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259 | WebBrowser2.SetFocus |
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260 | else if PageControl2.ActivePage = TabSheet3{Scrap} then |
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261 | SynEdit1.SetFocus; |
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2 | daniel-mar | 262 | end; |
263 | |||
5 | daniel-mar | 264 | procedure TForm1.Button3Click(Sender: TObject); |
265 | var |
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266 | val: string; |
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267 | lineno: integer; |
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268 | begin |
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269 | InputQuery('Go to', 'Line number:', val); |
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6 | daniel-mar | 270 | if not TryStrToInt(val, lineno) then |
271 | begin |
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272 | if SynEdit1.CanFocus then SynEdit1.SetFocus; |
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273 | exit; |
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274 | end; |
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5 | daniel-mar | 275 | GotoLineNo(lineno); |
276 | end; |
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277 | |||
2 | daniel-mar | 278 | procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction); |
279 | begin |
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4 | daniel-mar | 280 | SynEdit1.Lines.SaveToFile(GetScrapFile); |
2 | daniel-mar | 281 | end; |
282 | |||
283 | procedure TForm1.FormCreate(Sender: TObject); |
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284 | begin |
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285 | HlpPrevPageIndex := -1; |
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286 | CurSearchTerm := ''; |
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287 | Application.OnMessage := ApplicationOnMessage; |
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288 | end; |
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289 | |||
290 | procedure TForm1.FormDestroy(Sender: TObject); |
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291 | begin |
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292 | if Assigned(ChmIndex) then |
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293 | begin |
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294 | FreeAndNil(ChmIndex); |
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295 | end; |
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296 | end; |
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297 | |||
298 | procedure TForm1.FormShow(Sender: TObject); |
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299 | var |
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300 | ScrapFile: string; |
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301 | begin |
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302 | ScrapFile := GetScrapFile; |
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303 | if ScrapFile = '' then |
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304 | begin |
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305 | Close; |
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306 | exit; |
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307 | end; |
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4 | daniel-mar | 308 | SynEdit1.Lines.LoadFromFile(ScrapFile); |
2 | daniel-mar | 309 | |
310 | PageControl1.ActivePage := PlaintextTabSheet; |
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311 | |||
312 | PageControl2.ActivePageIndex := 0; // Scraps |
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313 | HelpTabsheet.TabVisible := false; |
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5 | daniel-mar | 314 | |
315 | SynEdit1.SetFocus; |
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2 | daniel-mar | 316 | end; |
317 | |||
318 | function TForm1.GetScrapFile: string; |
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319 | begin |
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320 | result := FastPHPConfig.ReadString('Paths', 'ScrapFile', ''); |
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321 | if not FileExists(result) then |
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322 | begin |
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323 | if not OpenDialog3.Execute then |
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324 | begin |
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325 | result := ''; |
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326 | exit; |
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327 | end; |
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328 | |||
329 | result := OpenDialog3.FileName; |
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330 | |||
331 | if not DirectoryExists(ExtractFilePath(result)) then |
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332 | begin |
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333 | ShowMessage('Path does not exist!'); |
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334 | result := ''; |
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335 | exit; |
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336 | end; |
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337 | |||
4 | daniel-mar | 338 | SynEdit1.Lines.Clear; |
339 | SynEdit1.Lines.SaveToFile(result); |
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2 | daniel-mar | 340 | |
341 | FastPHPConfig.WriteString('Paths', 'ScrapFile', result); |
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342 | end; |
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343 | end; |
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344 | |||
345 | procedure TForm1.Help; |
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346 | var |
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347 | IndexFile, chmFile, w, url: string; |
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348 | internalHtmlFile: string; |
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349 | begin |
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350 | if not Assigned(ChmIndex) then |
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351 | begin |
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352 | IndexFile := FastPHPConfig.ReadString('Paths', 'HelpIndex', ''); |
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353 | IndexFile := ChangeFileExt(IndexFile, '.ini'); // Just to be sure. Maybe someone wrote manually the ".chm" file in there |
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354 | if FileExists(IndexFile) then |
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355 | begin |
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356 | ChmIndex := TMemIniFile.Create(IndexFile); |
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357 | end; |
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358 | end; |
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359 | |||
360 | if Assigned(ChmIndex) then |
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361 | begin |
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362 | IndexFile := FastPHPConfig.ReadString('Paths', 'HelpIndex', ''); |
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363 | // We don't check if IndexFile still exists. It is not important since we have ChmIndex pre-loaded in memory |
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364 | |||
365 | chmFile := ChangeFileExt(IndexFile, '.chm'); |
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366 | if not FileExists(chmFile) then |
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367 | begin |
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368 | FreeAndNil(ChmIndex); |
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369 | end; |
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370 | end; |
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371 | |||
372 | if not Assigned(ChmIndex) then |
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373 | begin |
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374 | if not OpenDialog1.Execute then exit; |
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375 | |||
376 | chmFile := OpenDialog1.FileName; |
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377 | if not FileExists(chmFile) then exit; |
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378 | |||
379 | IndexFile := ChangeFileExt(chmFile, '.ini'); |
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380 | |||
381 | if not FileExists(IndexFile) then |
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382 | begin |
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383 | Panel1.Align := alClient; |
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384 | Panel1.Visible := true; |
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385 | Panel1.BringToFront; |
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386 | Screen.Cursor := crHourGlass; |
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387 | Application.ProcessMessages; |
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388 | try |
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389 | if not ParseCHM(chmFile) then |
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390 | begin |
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391 | ShowMessage('The CHM file is not a valid PHP documentation. Cannot use help.'); |
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392 | exit; |
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393 | end; |
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394 | finally |
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395 | Screen.Cursor := crDefault; |
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396 | Panel1.Visible := false; |
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397 | end; |
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398 | |||
399 | if not FileExists(IndexFile) then |
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400 | begin |
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401 | ShowMessage('Unknown error. Cannot use help.'); |
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402 | exit; |
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403 | end; |
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404 | end; |
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405 | |||
406 | FastPHPConfig.WriteString('Paths', 'HelpIndex', IndexFile); |
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407 | FastPHPConfig.UpdateFile; |
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408 | |||
409 | ChmIndex := TMemIniFile.Create(IndexFile); |
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410 | end; |
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411 | |||
4 | daniel-mar | 412 | w := GetWordUnderCaret(SynEdit1); |
2 | daniel-mar | 413 | if w = '' then exit; |
8 | daniel-mar | 414 | if CharInSet(w[1], ['0'..'9']) then exit; |
2 | daniel-mar | 415 | w := StringReplace(w, '_', '-', [rfReplaceAll]); |
416 | w := LowerCase(w); |
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417 | CurSearchTerm := w; |
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418 | |||
419 | internalHtmlFile := ChmIndex.ReadString('_HelpWords_', CurSearchTerm, ''); |
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420 | if internalHtmlFile = '' then |
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421 | begin |
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422 | HelpTabsheet.TabVisible := false; |
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423 | HlpPrevPageIndex := -1; |
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424 | ShowMessage('No help for "'+CurSearchTerm+'" available'); |
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425 | Exit; |
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426 | end; |
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427 | |||
428 | url := 'mk:@MSITStore:'+ChmFile+'::'+internalHtmlFile; |
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429 | |||
430 | HlpPrevPageIndex := PageControl2.ActivePageIndex; // Return by pressing ESC |
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431 | HelpTabsheet.TabVisible := true; |
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432 | PageControl2.ActivePage := HelpTabsheet; |
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8 | daniel-mar | 433 | WebBrowser2.Navigate(url); |
434 | WebBrowser2.Wait; |
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2 | daniel-mar | 435 | end; |
436 | |||
5 | daniel-mar | 437 | procedure TForm1.GotoLineNo(LineNo:integer); |
438 | var |
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439 | line: string; |
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440 | i: integer; |
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2 | daniel-mar | 441 | begin |
5 | daniel-mar | 442 | SynEdit1.GotoLineAndCenter(LineNo); |
443 | |||
444 | // Skip indent |
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445 | line := SynEdit1.Lines[SynEdit1.CaretY]; |
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446 | for i := 1 to Length(line) do |
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447 | begin |
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8 | daniel-mar | 448 | if not CharInSet(line[i], [' ', #9]) then |
5 | daniel-mar | 449 | begin |
450 | SynEdit1.CaretX := i-1; |
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451 | break; |
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452 | end; |
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453 | end; |
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454 | |||
455 | PageControl2.ActivePage := TabSheet3{Scrap}; |
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456 | if SynEdit1.CanFocus then SynEdit1.SetFocus; |
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2 | daniel-mar | 457 | end; |
458 | |||
8 | daniel-mar | 459 | procedure TForm1.PageControl2Changing(Sender: TObject; |
460 | var AllowChange: Boolean); |
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461 | begin |
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462 | if PageControl2.ActivePage = HelpTabsheet then |
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463 | HlpPrevPageIndex := -1 |
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464 | else |
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465 | HlpPrevPageIndex := PageControl2.ActivePageIndex; |
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466 | |||
467 | AllowChange := true; |
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468 | end; |
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469 | |||
5 | daniel-mar | 470 | procedure TForm1.Memo2DblClick(Sender: TObject); |
471 | var |
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472 | line: string; |
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473 | p, lineno: integer; |
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474 | begin |
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475 | line := memo2.Lines.Strings[Memo2.CaretPos.Y]; |
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476 | p := Pos(' on line ', line); |
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477 | if p = 0 then exit; |
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478 | line := copy(line, p+length(' on line '), 99); |
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479 | if not TryStrToInt(line, lineno) then exit; |
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480 | GotoLineNo(lineno); |
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481 | end; |
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482 | |||
483 | function TForm1.MarkUpLineReference(cont: string): string; |
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484 | var |
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485 | p, a, b: integer; |
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486 | num: integer; |
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487 | insert_a, insert_b: string; |
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488 | begin |
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489 | // TODO: make it more specific to PHP error messages. "on line" is too broad. |
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490 | p := Pos(' on line ', cont); |
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491 | while p >= 1 do |
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492 | begin |
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493 | a := p+1; |
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494 | b := p+length(' on line '); |
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495 | num := 0; |
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8 | daniel-mar | 496 | while CharInSet(cont[b], ['0'..'9']) do |
5 | daniel-mar | 497 | begin |
498 | num := num*10 + StrToInt(cont[b]); |
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499 | inc(b); |
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500 | end; |
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501 | |||
502 | insert_b := '</a>'; |
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8 | daniel-mar | 503 | insert_a := '<a href="'+FASTPHP_GOTO_URI_PREFIX+IntToStr(num)+'">'; |
5 | daniel-mar | 504 | |
505 | insert(insert_b, cont, b); |
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506 | insert(insert_a, cont, a); |
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507 | |||
508 | p := b + Length(insert_a) + Length(insert_b); |
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509 | |||
510 | p := PosEx(' on line ', cont, p+1); |
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511 | end; |
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512 | |||
513 | result := cont; |
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514 | end; |
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515 | |||
2 | daniel-mar | 516 | end. |