Show More
@@ -1,276 +1,276 | |||
|
1 | 1 | // function completer. |
|
2 | 2 | // |
|
3 | 3 | // completer should be a class that take an cell instance |
|
4 | 4 | var IPython = (function (IPython) { |
|
5 | 5 | // that will prevent us from misspelling |
|
6 | 6 | "use strict"; |
|
7 | 7 | |
|
8 | 8 | // easyier key mapping |
|
9 | 9 | var key = IPython.utils.keycodes; |
|
10 | 10 | |
|
11 | 11 | // what is the common start of all completions |
|
12 | 12 | |
|
13 | 13 | |
|
14 |
function shared |
|
|
14 | function shared_start(B) { | |
|
15 | 15 | if (B.length == 1) { |
|
16 | 16 | return B[0]; |
|
17 | 17 | } |
|
18 | 18 | var A = new Array(); |
|
19 | 19 | for (var i = 0; i < B.length; i++) { |
|
20 | 20 | A.push(B[i].str); |
|
21 | 21 | } |
|
22 | 22 | if (A.length > 1) { |
|
23 | 23 | var tem1, tem2, s; |
|
24 | 24 | A = A.slice(0).sort(); |
|
25 | 25 | tem1 = A[0]; |
|
26 | 26 | s = tem1.length; |
|
27 | 27 | tem2 = A.pop(); |
|
28 | 28 | while (s && tem2.indexOf(tem1) == -1) { |
|
29 | 29 | tem1 = tem1.substring(0, --s); |
|
30 | 30 | } |
|
31 | 31 | if (tem1 == "" || tem2.indexOf(tem1) != 0) { |
|
32 | 32 | return null; |
|
33 | 33 | } |
|
34 | 34 | return { |
|
35 | 35 | str: tem1, |
|
36 | 36 | type: "computed", |
|
37 | 37 | from: B[0].from, |
|
38 | 38 | to: B[0].to |
|
39 | 39 | }; |
|
40 | 40 | } |
|
41 | 41 | return null; |
|
42 | 42 | } |
|
43 | 43 | |
|
44 | 44 | |
|
45 | 45 | var Completer = function (cell) { |
|
46 | 46 | this.editor = cell.code_mirror; |
|
47 | 47 | var that = this; |
|
48 | 48 | $([IPython.events]).on('status_busy.Kernel', function () { |
|
49 | 49 | that.skip_kernel_completion = true; |
|
50 | 50 | }); |
|
51 | 51 | $([IPython.events]).on('status_idle.Kernel', function () { |
|
52 | 52 | that.skip_kernel_completion = false; |
|
53 | 53 | }); |
|
54 | 54 | |
|
55 | 55 | |
|
56 | 56 | }; |
|
57 | 57 | |
|
58 | 58 | |
|
59 | 59 | |
|
60 | 60 | Completer.prototype.startCompletion = function () { |
|
61 | 61 | // call for a 'first' completion, that will set the editor and do some |
|
62 | 62 | // special behaviour like autopicking if only one completion availlable |
|
63 | 63 | // |
|
64 | 64 | if (this.editor.somethingSelected()) return; |
|
65 | 65 | this.done = false; |
|
66 | 66 | // use to get focus back on opera |
|
67 |
this.carry |
|
|
67 | this.carry_on_completion(true); | |
|
68 | 68 | }; |
|
69 | 69 | |
|
70 |
Completer.prototype.carry |
|
|
70 | Completer.prototype.carry_on_completion = function (ff) { | |
|
71 | 71 | // Pass true as parameter if you want the commpleter to autopick when |
|
72 | 72 | // only one completion. This function is automatically reinvoked at |
|
73 | 73 | // each keystroke with ff = false |
|
74 | 74 | var cur = this.editor.getCursor(); |
|
75 | 75 | var line = this.editor.getLine(cur.line); |
|
76 | 76 | var pre_cursor = this.editor.getRange({ |
|
77 | 77 | line: cur.line, |
|
78 | 78 | ch: cur.ch - 1 |
|
79 | 79 | }, cur); |
|
80 | 80 | |
|
81 | 81 | // we need to check that we are still on a word boundary |
|
82 | 82 | // because while typing the completer is still reinvoking itself |
|
83 | 83 | if (!/[0-9a-z._]/i.test(pre_cursor)) { |
|
84 | 84 | this.close(); |
|
85 | 85 | return; |
|
86 | 86 | } |
|
87 | 87 | |
|
88 | 88 | this.autopick = false; |
|
89 | 89 | if (ff != 'undefined' && ff == true) { |
|
90 | 90 | this.autopick = true; |
|
91 | 91 | } |
|
92 | 92 | |
|
93 | 93 | // We want a single cursor position. |
|
94 | 94 | if (this.editor.somethingSelected()) return; |
|
95 | 95 | |
|
96 | 96 | // one kernel completion came back, finish_completing will be called with the results |
|
97 | 97 | // we fork here and directly call finish completing if kernel is busy |
|
98 | 98 | if (this.skip_kernel_completion == true) { |
|
99 | 99 | this.finish_completing({ |
|
100 | 100 | 'matches': [], |
|
101 | 101 | matched_text: "" |
|
102 | 102 | }) |
|
103 | 103 | } else { |
|
104 | 104 | var callbacks = { |
|
105 | 105 | 'complete_reply': $.proxy(this.finish_completing, this) |
|
106 | 106 | }; |
|
107 | 107 | IPython.notebook.kernel.complete(line, cur.ch, callbacks); |
|
108 | 108 | } |
|
109 | 109 | }; |
|
110 | 110 | |
|
111 | 111 | Completer.prototype.finish_completing = function (content) { |
|
112 | 112 | // let's build a function that wrap all that stuff into what is needed |
|
113 | 113 | // for the new completer: |
|
114 | 114 | var matched_text = content.matched_text; |
|
115 | 115 | var matches = content.matches; |
|
116 | 116 | |
|
117 | 117 | var cur = this.editor.getCursor(); |
|
118 | 118 | var results = CodeMirror.contextHint(this.editor); |
|
119 | 119 | |
|
120 | 120 | // append the introspection result, in order, at at the beginning of |
|
121 | 121 | // the table and compute the replacement range from current cursor |
|
122 | 122 | // positon and matched_text length. |
|
123 | 123 | for (var i = matches.length - 1; i >= 0; --i) { |
|
124 | 124 | results.unshift({ |
|
125 | 125 | str: matches[i], |
|
126 | 126 | type: "introspection", |
|
127 | 127 | from: { |
|
128 | 128 | line: cur.line, |
|
129 | 129 | ch: cur.ch - matched_text.length |
|
130 | 130 | }, |
|
131 | 131 | to: { |
|
132 | 132 | line: cur.line, |
|
133 | 133 | ch: cur.ch |
|
134 | 134 | } |
|
135 | 135 | }); |
|
136 | 136 | } |
|
137 | 137 | |
|
138 | 138 | // one the 2 sources results have been merge, deal with it |
|
139 | 139 | this.raw_result = results; |
|
140 | 140 | |
|
141 | 141 | // if empty result return |
|
142 | 142 | if (!this.raw_result || !this.raw_result.length) return; |
|
143 | 143 | |
|
144 | 144 | // When there is only one completion, use it directly. |
|
145 | 145 | if (this.autopick == true && this.raw_result.length == 1) { |
|
146 | 146 | this.insert(this.raw_result[0]); |
|
147 | 147 | return; |
|
148 | 148 | } |
|
149 | 149 | |
|
150 | 150 | if (this.raw_result.length == 1) { |
|
151 | 151 | // test if first and only completion totally matches |
|
152 | 152 | // what is typed, in this case dismiss |
|
153 | 153 | var str = this.raw_result[0].str; |
|
154 | 154 | var pre_cursor = this.editor.getRange({ |
|
155 | 155 | line: cur.line, |
|
156 | 156 | ch: cur.ch - str.length |
|
157 | 157 | }, cur); |
|
158 | 158 | if (pre_cursor == str) { |
|
159 | 159 | this.close(); |
|
160 | 160 | return; |
|
161 | 161 | } |
|
162 | 162 | } |
|
163 | 163 | |
|
164 | 164 | this.complete = $('<div/>').addClass('completions'); |
|
165 | 165 | this.complete.attr('id', 'complete'); |
|
166 | 166 | |
|
167 | 167 | this.sel = $('<select/>').attr('multiple', 'true').attr('size', Math.min(10, this.raw_result.length)); |
|
168 | 168 | var pos = this.editor.cursorCoords(); |
|
169 | 169 | |
|
170 | 170 | // TODO: I propose to remove enough horizontal pixel |
|
171 | 171 | // to align the text later |
|
172 | 172 | this.complete.css('left', pos.x + 'px'); |
|
173 | 173 | this.complete.css('top', pos.yBot + 'px'); |
|
174 | 174 | this.complete.append(this.sel); |
|
175 | 175 | |
|
176 | 176 | $('body').append(this.complete); |
|
177 | 177 | //build the container |
|
178 | 178 | var that = this; |
|
179 | 179 | this.sel.dblclick(function () { |
|
180 | 180 | that.pick(); |
|
181 | 181 | }); |
|
182 | 182 | this.sel.blur(this.close); |
|
183 | 183 | this.sel.keydown(function (event) { |
|
184 | 184 | that.keydown(event); |
|
185 | 185 | }); |
|
186 | 186 | |
|
187 | 187 | this.build_gui_list(this.raw_result); |
|
188 | 188 | |
|
189 | 189 | this.sel.focus(); |
|
190 | 190 | // Opera sometimes ignores focusing a freshly created node |
|
191 | 191 | if (window.opera) setTimeout(function () { |
|
192 | 192 | if (!this.done) this.sel.focus(); |
|
193 | 193 | }, 100); |
|
194 | 194 | return true; |
|
195 | 195 | } |
|
196 | 196 | |
|
197 | 197 | Completer.prototype.insert = function (completion) { |
|
198 | 198 | this.editor.replaceRange(completion.str, completion.from, completion.to); |
|
199 | 199 | } |
|
200 | 200 | |
|
201 | 201 | Completer.prototype.build_gui_list = function (completions) { |
|
202 | 202 | // Need to clear the all list |
|
203 | 203 | for (var i = 0; i < completions.length; ++i) { |
|
204 | 204 | var opt = $('<option/>').text(completions[i].str).addClass(completions[i].type); |
|
205 | 205 | this.sel.append(opt); |
|
206 | 206 | } |
|
207 | 207 | this.sel.children().first().attr('selected', 'true'); |
|
208 | 208 | } |
|
209 | 209 | |
|
210 | 210 | Completer.prototype.close = function () { |
|
211 | 211 | if (this.done) return; |
|
212 | 212 | this.done = true; |
|
213 | 213 | $('.completions').remove(); |
|
214 | 214 | } |
|
215 | 215 | |
|
216 | 216 | Completer.prototype.pick = function () { |
|
217 | 217 | this.insert(this.raw_result[this.sel[0].selectedIndex]); |
|
218 | 218 | this.close(); |
|
219 | 219 | var that = this; |
|
220 | 220 | setTimeout(function () { |
|
221 | 221 | that.editor.focus(); |
|
222 | 222 | }, 50); |
|
223 | 223 | } |
|
224 | 224 | |
|
225 | 225 | |
|
226 | 226 | Completer.prototype.keydown = function (event) { |
|
227 | 227 | var code = event.keyCode; |
|
228 | 228 | var that = this; |
|
229 | 229 | // Enter |
|
230 | 230 | if (code == key.enter) { |
|
231 | 231 | CodeMirror.e_stop(event); |
|
232 | 232 | this.pick(); |
|
233 | 233 | } |
|
234 | 234 | // Escape or backspace |
|
235 | 235 | else if (code == key.esc) { |
|
236 | 236 | CodeMirror.e_stop(event); |
|
237 | 237 | this.close(); |
|
238 | 238 | this.editor.focus(); |
|
239 | 239 | } else if (code == key.space || code == key.backspace) { |
|
240 | 240 | this.close(); |
|
241 | 241 | this.editor.focus(); |
|
242 | 242 | } else if (code == key.tab) { |
|
243 | 243 | //all the fastforwarding operation, |
|
244 | 244 | //Check that shared start is not null which can append with prefixed completion |
|
245 | 245 | // like %pylab , pylab have no shred start, and ff will result in py<tab><tab> |
|
246 | 246 | // to erase py |
|
247 |
var sh = shared |
|
|
247 | var sh = shared_start(this.raw_result); | |
|
248 | 248 | if (sh) { |
|
249 | 249 | this.insert(sh); |
|
250 | 250 | } |
|
251 | 251 | this.close(); |
|
252 | 252 | CodeMirror.e_stop(event); |
|
253 | 253 | this.editor.focus(); |
|
254 | 254 | //reinvoke self |
|
255 | 255 | setTimeout(function () { |
|
256 |
that.carry |
|
|
256 | that.carry_on_completion(); | |
|
257 | 257 | }, 50); |
|
258 | 258 | } else if (code == key.upArrow || code == key.downArrow) { |
|
259 | 259 | // need to do that to be able to move the arrow |
|
260 | 260 | // when on the first or last line ofo a code cell |
|
261 | 261 | event.stopPropagation(); |
|
262 | 262 | } else if (code != key.upArrow && code != key.downArrow) { |
|
263 | 263 | this.close(); |
|
264 | 264 | this.editor.focus(); |
|
265 | 265 | //we give focus to the editor immediately and call sell in 50 ms |
|
266 | 266 | setTimeout(function () { |
|
267 |
that.carry |
|
|
267 | that.carry_on_completion(); | |
|
268 | 268 | }, 50); |
|
269 | 269 | } |
|
270 | 270 | } |
|
271 | 271 | |
|
272 | 272 | |
|
273 | 273 | IPython.Completer = Completer; |
|
274 | 274 | |
|
275 | 275 | return IPython; |
|
276 | 276 | }(IPython)); |
General Comments 0
You need to be logged in to leave comments.
Login now