##// END OF EJS Templates
Merge pull request #5429 from jdfreder/tooltipcompleter...
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1 1 //----------------------------------------------------------------------------
2 2 // Copyright (C) 2008-2011 The IPython Development Team
3 3 //
4 4 // Distributed under the terms of the BSD License. The full license is in
5 5 // the file COPYING, distributed as part of this software.
6 6 //----------------------------------------------------------------------------
7 7 //============================================================================
8 8 // Tooltip
9 9 //============================================================================
10 10 //
11 11 // you can set the autocall time by setting `IPython.tooltip.time_before_tooltip` in ms
12 12 //
13 13 // you can configure the differents action of pressing tab several times in a row by
14 14 // setting/appending different fonction in the array
15 15 // IPython.tooltip.tabs_functions
16 16 //
17 17 // eg :
18 18 // IPython.tooltip.tabs_functions[4] = function (){console.log('this is the action of the 4th tab pressing')}
19 19 //
20 20 var IPython = (function (IPython) {
21 21 "use strict";
22 22
23 23 var utils = IPython.utils;
24 24
25 25 // tooltip constructor
26 26 var Tooltip = function () {
27 27 var that = this;
28 28 this.time_before_tooltip = 1200;
29 29
30 30 // handle to html
31 31 this.tooltip = $('#tooltip');
32 32 this._hidden = true;
33 33
34 34 // variable for consecutive call
35 35 this._old_cell = null;
36 36 this._old_request = null;
37 37 this._consecutive_counter = 0;
38 38
39 39 // 'sticky ?'
40 40 this._sticky = false;
41 41
42 42 // display tooltip if the docstring is empty?
43 43 this._hide_if_no_docstring = false;
44 44
45 45 // contain the button in the upper right corner
46 46 this.buttons = $('<div/>').addClass('tooltipbuttons');
47 47
48 48 // will contain the docstring
49 49 this.text = $('<div/>').addClass('tooltiptext').addClass('smalltooltip');
50 50
51 51 // build the buttons menu on the upper right
52 52 // expand the tooltip to see more
53 53 var expandlink = $('<a/>').attr('href', "#").addClass("ui-corner-all") //rounded corner
54 54 .attr('role', "button").attr('id', 'expanbutton').attr('title', 'Grow the tooltip vertically (press tab 2 times)').click(function () {
55 55 that.expand();
56 56 }).append(
57 57 $('<span/>').text('Expand').addClass('ui-icon').addClass('ui-icon-plus'));
58 58
59 59 // open in pager
60 60 var morelink = $('<a/>').attr('href', "#").attr('role', "button").addClass('ui-button').attr('title', 'show the current docstring in pager (press tab 4 times)');
61 61 var morespan = $('<span/>').text('Open in Pager').addClass('ui-icon').addClass('ui-icon-arrowstop-l-n');
62 62 morelink.append(morespan);
63 63 morelink.click(function () {
64 64 that.showInPager(that._old_cell);
65 65 });
66 66
67 67 // close the tooltip
68 68 var closelink = $('<a/>').attr('href', "#").attr('role', "button").addClass('ui-button');
69 69 var closespan = $('<span/>').text('Close').addClass('ui-icon').addClass('ui-icon-close');
70 70 closelink.append(closespan);
71 71 closelink.click(function () {
72 72 that.remove_and_cancel_tooltip(true);
73 73 });
74 74
75 75 this._clocklink = $('<a/>').attr('href', "#");
76 76 this._clocklink.attr('role', "button");
77 77 this._clocklink.addClass('ui-button');
78 78 this._clocklink.attr('title', 'Tootip is not dismissed while typing for 10 seconds');
79 79 var clockspan = $('<span/>').text('Close');
80 80 clockspan.addClass('ui-icon');
81 81 clockspan.addClass('ui-icon-clock');
82 82 this._clocklink.append(clockspan);
83 83 this._clocklink.click(function () {
84 84 that.cancel_stick();
85 85 });
86 86
87 87
88 88
89 89
90 90 //construct the tooltip
91 91 // add in the reverse order you want them to appear
92 92 this.buttons.append(closelink);
93 93 this.buttons.append(expandlink);
94 94 this.buttons.append(morelink);
95 95 this.buttons.append(this._clocklink);
96 96 this._clocklink.hide();
97 97
98 98
99 99 // we need a phony element to make the small arrow
100 100 // of the tooltip in css
101 101 // we will move the arrow later
102 102 this.arrow = $('<div/>').addClass('pretooltiparrow');
103 103 this.tooltip.append(this.buttons);
104 104 this.tooltip.append(this.arrow);
105 105 this.tooltip.append(this.text);
106 106
107 107 // function that will be called if you press tab 1, 2, 3... times in a row
108 108 this.tabs_functions = [function (cell, text) {
109 109 that._request_tooltip(cell, text);
110 110 }, function () {
111 111 that.expand();
112 112 }, function () {
113 113 that.stick();
114 114 }, function (cell) {
115 115 that.cancel_stick();
116 116 that.showInPager(cell);
117 117 }];
118 118 // call after all the tabs function above have bee call to clean their effects
119 119 // if necessary
120 120 this.reset_tabs_function = function (cell, text) {
121 121 this._old_cell = (cell) ? cell : null;
122 122 this._old_request = (text) ? text : null;
123 123 this._consecutive_counter = 0;
124 124 };
125 125 };
126 126
127 127 Tooltip.prototype.is_visible = function () {
128 128 return !this._hidden;
129 129 };
130 130
131 131 Tooltip.prototype.showInPager = function (cell) {
132 132 // reexecute last call in pager by appending ? to show back in pager
133 133 var that = this;
134 var empty = function () {};
135 cell.kernel.execute(
136 that.name + '?', {
137 'execute_reply': empty,
138 'output': empty,
139 'clear_output': empty,
140 'cell': cell
141 }, {
142 'silent': false,
143 'store_history': true
144 });
134 var callbacks = {'shell' : {
135 'payload' : {
136 'page' : $.proxy(cell._open_with_pager, cell)
137 }
138 }
139 };
140 cell.kernel.execute(that.name + '?', callbacks, {'silent': false, 'store_history': true});
145 141 this.remove_and_cancel_tooltip();
146 142 };
147 143
148 144 // grow the tooltip verticaly
149 145 Tooltip.prototype.expand = function () {
150 146 this.text.removeClass('smalltooltip');
151 147 this.text.addClass('bigtooltip');
152 148 $('#expanbutton').hide('slow');
153 149 };
154 150
155 151 // deal with all the logic of hiding the tooltip
156 152 // and reset it's status
157 153 Tooltip.prototype._hide = function () {
158 154 this._hidden = true;
159 155 this.tooltip.fadeOut('fast');
160 156 $('#expanbutton').show('slow');
161 157 this.text.removeClass('bigtooltip');
162 158 this.text.addClass('smalltooltip');
163 159 // keep scroll top to be sure to always see the first line
164 160 this.text.scrollTop(0);
165 161 this.code_mirror = null;
166 162 };
167 163
168 164 // return true on successfully removing a visible tooltip; otherwise return
169 165 // false.
170 166 Tooltip.prototype.remove_and_cancel_tooltip = function (force) {
171 167 // note that we don't handle closing directly inside the calltip
172 168 // as in the completer, because it is not focusable, so won't
173 169 // get the event.
174 170 this.cancel_pending();
175 171 if (!this._hidden) {
176 172 if (force || !this._sticky) {
177 173 this.cancel_stick();
178 174 this._hide();
179 175 }
180 176 this.reset_tabs_function();
181 177 return true;
182 178 } else {
183 179 return false;
184 180 }
185 181 };
186 182
187 183 // cancel autocall done after '(' for example.
188 184 Tooltip.prototype.cancel_pending = function () {
189 185 if (this._tooltip_timeout !== null) {
190 186 clearTimeout(this._tooltip_timeout);
191 187 this._tooltip_timeout = null;
192 188 }
193 189 };
194 190
195 191 // will trigger tooltip after timeout
196 192 Tooltip.prototype.pending = function (cell, hide_if_no_docstring) {
197 193 var that = this;
198 194 this._tooltip_timeout = setTimeout(function () {
199 195 that.request(cell, hide_if_no_docstring);
200 196 }, that.time_before_tooltip);
201 197 };
202 198
203 199 // easy access for julia monkey patching.
204 200 Tooltip.last_token_re = /[a-z_][0-9a-z._]*$/gi;
205 201
206 202 Tooltip.prototype.extract_oir_token = function(line){
207 203 // use internally just to make the request to the kernel
208 204 // Feel free to shorten this logic if you are better
209 205 // than me in regEx
210 206 // basicaly you shoul be able to get xxx.xxx.xxx from
211 207 // something(range(10), kwarg=smth) ; xxx.xxx.xxx( firstarg, rand(234,23), kwarg1=2,
212 208 // remove everything between matchin bracket (need to iterate)
213 209 var matchBracket = /\([^\(\)]+\)/g;
214 210 var endBracket = /\([^\(]*$/g;
215 211 var oldline = line;
216 212
217 213 line = line.replace(matchBracket, "");
218 214 while (oldline != line) {
219 215 oldline = line;
220 216 line = line.replace(matchBracket, "");
221 217 }
222 218 // remove everything after last open bracket
223 219 line = line.replace(endBracket, "");
224 220 // reset the regex object
225 221 Tooltip.last_token_re.lastIndex = 0;
226 222 return Tooltip.last_token_re.exec(line);
227 223 };
228 224
229 225 Tooltip.prototype._request_tooltip = function (cell, line) {
230 226 var callbacks = $.proxy(this._show, this);
231 227 var oir_token = this.extract_oir_token(line);
232 228 var msg_id = cell.kernel.object_info(oir_token, callbacks);
233 229 };
234 230
235 231 // make an imediate completion request
236 232 Tooltip.prototype.request = function (cell, hide_if_no_docstring) {
237 233 // request(codecell)
238 234 // Deal with extracting the text from the cell and counting
239 235 // call in a row
240 236 this.cancel_pending();
241 237 var editor = cell.code_mirror;
242 238 var cursor = editor.getCursor();
243 239 var text = editor.getRange({
244 240 line: cursor.line,
245 241 ch: 0
246 242 }, cursor).trim();
247 243
248 244 this._hide_if_no_docstring = hide_if_no_docstring;
249 245
250 246 if(editor.somethingSelected()){
251 247 text = editor.getSelection();
252 248 }
253 249
254 250 // need a permanent handel to code_mirror for future auto recall
255 251 this.code_mirror = editor;
256 252
257 253 // now we treat the different number of keypress
258 254 // first if same cell, same text, increment counter by 1
259 255 if (this._old_cell == cell && this._old_request == text && this._hidden === false) {
260 256 this._consecutive_counter++;
261 257 } else {
262 258 // else reset
263 259 this.cancel_stick();
264 260 this.reset_tabs_function (cell, text);
265 261 }
266 262
267 263 // don't do anything if line beggin with '(' or is empty
268 264 if (text === "" || text === "(") {
269 265 return;
270 266 }
271 267
272 268 this.tabs_functions[this._consecutive_counter](cell, text);
273 269
274 270 // then if we are at the end of list function, reset
275 271 if (this._consecutive_counter == this.tabs_functions.length) {
276 272 this.reset_tabs_function (cell, text);
277 273 }
278 274
279 275 return;
280 276 };
281 277
282 278 // cancel the option of having the tooltip to stick
283 279 Tooltip.prototype.cancel_stick = function () {
284 280 clearTimeout(this._stick_timeout);
285 281 this._stick_timeout = null;
286 282 this._clocklink.hide('slow');
287 283 this._sticky = false;
288 284 };
289 285
290 286 // put the tooltip in a sicky state for 10 seconds
291 287 // it won't be removed by remove_and_cancell() unless you called with
292 288 // the first parameter set to true.
293 289 // remove_and_cancell_tooltip(true)
294 290 Tooltip.prototype.stick = function (time) {
295 291 time = (time !== undefined) ? time : 10;
296 292 var that = this;
297 293 this._sticky = true;
298 294 this._clocklink.show('slow');
299 295 this._stick_timeout = setTimeout(function () {
300 296 that._sticky = false;
301 297 that._clocklink.hide('slow');
302 298 }, time * 1000);
303 299 };
304 300
305 301 // should be called with the kernel reply to actually show the tooltip
306 302 Tooltip.prototype._show = function (reply) {
307 303 // move the bubble if it is not hidden
308 304 // otherwise fade it
309 305 var content = reply.content;
310 306 if (!content.found) {
311 307 // object not found, nothing to show
312 308 return;
313 309 }
314 310 this.name = content.name;
315 311
316 312 // do some math to have the tooltip arrow on more or less on left or right
317 313 // width of the editor
318 314 var w = $(this.code_mirror.getScrollerElement()).width();
319 315 // ofset of the editor
320 316 var o = $(this.code_mirror.getScrollerElement()).offset();
321 317
322 318 // whatever anchor/head order but arrow at mid x selection
323 319 var anchor = this.code_mirror.cursorCoords(false);
324 320 var head = this.code_mirror.cursorCoords(true);
325 321 var xinit = (head.left+anchor.left)/2;
326 322 var xinter = o.left + (xinit - o.left) / w * (w - 450);
327 323 var posarrowleft = xinit - xinter;
328 324
329 325 if (this._hidden === false) {
330 326 this.tooltip.animate({
331 327 'left': xinter - 30 + 'px',
332 328 'top': (head.bottom + 10) + 'px'
333 329 });
334 330 } else {
335 331 this.tooltip.css({
336 332 'left': xinter - 30 + 'px'
337 333 });
338 334 this.tooltip.css({
339 335 'top': (head.bottom + 10) + 'px'
340 336 });
341 337 }
342 338 this.arrow.animate({
343 339 'left': posarrowleft + 'px'
344 340 });
345 341
346 342 // build docstring
347 343 var defstring = content.call_def;
348 344 if (!defstring) {
349 345 defstring = content.init_definition;
350 346 }
351 347 if (!defstring) {
352 348 defstring = content.definition;
353 349 }
354 350
355 351 var docstring = content.call_docstring;
356 352 if (!docstring) {
357 353 docstring = content.init_docstring;
358 354 }
359 355 if (!docstring) {
360 356 docstring = content.docstring;
361 357 }
362 358
363 359 if (!docstring) {
364 360 // For reals this time, no docstring
365 361 if (this._hide_if_no_docstring) {
366 362 return;
367 363 } else {
368 364 docstring = "<empty docstring>";
369 365 }
370 366 }
371 367
372 368 this._hidden = false;
373 369 this.tooltip.fadeIn('fast');
374 370 this.text.children().remove();
375 371
376 372 // Any HTML within the docstring is escaped by the fixConsole() method.
377 373 var pre = $('<pre/>').html(utils.fixConsole(docstring));
378 374 if (defstring) {
379 375 var defstring_html = $('<pre/>').html(utils.fixConsole(defstring));
380 376 this.text.append(defstring_html);
381 377 }
382 378 this.text.append(pre);
383 379 // keep scroll top to be sure to always see the first line
384 380 this.text.scrollTop(0);
385 381 };
386 382
387 383 IPython.Tooltip = Tooltip;
388 384
389 385 return IPython;
390 386
391 387 }(IPython));
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