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Diffstat (limited to 'sources/samples/toolbarconfigurator/lib/codemirror/show-hint.js')
-rw-r--r-- | sources/samples/toolbarconfigurator/lib/codemirror/show-hint.js | 392 |
1 files changed, 392 insertions, 0 deletions
diff --git a/sources/samples/toolbarconfigurator/lib/codemirror/show-hint.js b/sources/samples/toolbarconfigurator/lib/codemirror/show-hint.js new file mode 100644 index 0000000..539181f --- /dev/null +++ b/sources/samples/toolbarconfigurator/lib/codemirror/show-hint.js | |||
@@ -0,0 +1,392 @@ | |||
1 | // CodeMirror, copyright (c) by Marijn Haverbeke and others | ||
2 | // Distributed under an MIT license: http://codemirror.net/LICENSE | ||
3 | |||
4 | (function(mod) { | ||
5 | if (typeof exports == "object" && typeof module == "object") // CommonJS | ||
6 | mod(require("../../lib/codemirror")); | ||
7 | else if (typeof define == "function" && define.amd) // AMD | ||
8 | define(["../../lib/codemirror"], mod); | ||
9 | else // Plain browser env | ||
10 | mod(CodeMirror); | ||
11 | })(function(CodeMirror) { | ||
12 | "use strict"; | ||
13 | |||
14 | var HINT_ELEMENT_CLASS = "CodeMirror-hint"; | ||
15 | var ACTIVE_HINT_ELEMENT_CLASS = "CodeMirror-hint-active"; | ||
16 | |||
17 | // This is the old interface, kept around for now to stay | ||
18 | // backwards-compatible. | ||
19 | CodeMirror.showHint = function(cm, getHints, options) { | ||
20 | if (!getHints) return cm.showHint(options); | ||
21 | if (options && options.async) getHints.async = true; | ||
22 | var newOpts = {hint: getHints}; | ||
23 | if (options) for (var prop in options) newOpts[prop] = options[prop]; | ||
24 | return cm.showHint(newOpts); | ||
25 | }; | ||
26 | |||
27 | CodeMirror.defineExtension("showHint", function(options) { | ||
28 | // We want a single cursor position. | ||
29 | if (this.listSelections().length > 1 || this.somethingSelected()) return; | ||
30 | |||
31 | if (this.state.completionActive) this.state.completionActive.close(); | ||
32 | var completion = this.state.completionActive = new Completion(this, options); | ||
33 | if (!completion.options.hint) return; | ||
34 | |||
35 | CodeMirror.signal(this, "startCompletion", this); | ||
36 | completion.update(); | ||
37 | }); | ||
38 | |||
39 | function Completion(cm, options) { | ||
40 | this.cm = cm; | ||
41 | this.options = this.buildOptions(options); | ||
42 | this.widget = null; | ||
43 | this.debounce = 0; | ||
44 | this.tick = 0; | ||
45 | this.startPos = this.cm.getCursor(); | ||
46 | this.startLen = this.cm.getLine(this.startPos.line).length; | ||
47 | |||
48 | var self = this; | ||
49 | cm.on("cursorActivity", this.activityFunc = function() { self.cursorActivity(); }); | ||
50 | } | ||
51 | |||
52 | var requestAnimationFrame = window.requestAnimationFrame || function(fn) { | ||
53 | return setTimeout(fn, 1000/60); | ||
54 | }; | ||
55 | var cancelAnimationFrame = window.cancelAnimationFrame || clearTimeout; | ||
56 | |||
57 | Completion.prototype = { | ||
58 | close: function() { | ||
59 | if (!this.active()) return; | ||
60 | this.cm.state.completionActive = null; | ||
61 | this.tick = null; | ||
62 | this.cm.off("cursorActivity", this.activityFunc); | ||
63 | |||
64 | if (this.widget) this.widget.close(); | ||
65 | CodeMirror.signal(this.cm, "endCompletion", this.cm); | ||
66 | }, | ||
67 | |||
68 | active: function() { | ||
69 | return this.cm.state.completionActive == this; | ||
70 | }, | ||
71 | |||
72 | pick: function(data, i) { | ||
73 | var completion = data.list[i]; | ||
74 | if (completion.hint) completion.hint(this.cm, data, completion); | ||
75 | else this.cm.replaceRange(getText(completion), completion.from || data.from, | ||
76 | completion.to || data.to, "complete"); | ||
77 | CodeMirror.signal(data, "pick", completion); | ||
78 | this.close(); | ||
79 | }, | ||
80 | |||
81 | showHints: function(data) { | ||
82 | if (!data || !data.list.length || !this.active()) return this.close(); | ||
83 | |||
84 | if (this.options.completeSingle && data.list.length == 1) | ||
85 | this.pick(data, 0); | ||
86 | else | ||
87 | this.showWidget(data); | ||
88 | }, | ||
89 | |||
90 | cursorActivity: function() { | ||
91 | if (this.debounce) { | ||
92 | cancelAnimationFrame(this.debounce); | ||
93 | this.debounce = 0; | ||
94 | } | ||
95 | |||
96 | var pos = this.cm.getCursor(), line = this.cm.getLine(pos.line); | ||
97 | if (pos.line != this.startPos.line || line.length - pos.ch != this.startLen - this.startPos.ch || | ||
98 | pos.ch < this.startPos.ch || this.cm.somethingSelected() || | ||
99 | (pos.ch && this.options.closeCharacters.test(line.charAt(pos.ch - 1)))) { | ||
100 | this.close(); | ||
101 | } else { | ||
102 | var self = this; | ||
103 | this.debounce = requestAnimationFrame(function() {self.update();}); | ||
104 | if (this.widget) this.widget.disable(); | ||
105 | } | ||
106 | }, | ||
107 | |||
108 | update: function() { | ||
109 | if (this.tick == null) return; | ||
110 | if (this.data) CodeMirror.signal(this.data, "update"); | ||
111 | if (!this.options.hint.async) { | ||
112 | this.finishUpdate(this.options.hint(this.cm, this.options), myTick); | ||
113 | } else { | ||
114 | var myTick = ++this.tick, self = this; | ||
115 | this.options.hint(this.cm, function(data) { | ||
116 | if (self.tick == myTick) self.finishUpdate(data); | ||
117 | }, this.options); | ||
118 | } | ||
119 | }, | ||
120 | |||
121 | finishUpdate: function(data) { | ||
122 | this.data = data; | ||
123 | var picked = this.widget && this.widget.picked; | ||
124 | if (this.widget) this.widget.close(); | ||
125 | if (data && data.list.length) { | ||
126 | if (picked && data.list.length == 1) this.pick(data, 0); | ||
127 | else this.widget = new Widget(this, data); | ||
128 | } | ||
129 | }, | ||
130 | |||
131 | showWidget: function(data) { | ||
132 | this.data = data; | ||
133 | this.widget = new Widget(this, data); | ||
134 | CodeMirror.signal(data, "shown"); | ||
135 | }, | ||
136 | |||
137 | buildOptions: function(options) { | ||
138 | var editor = this.cm.options.hintOptions; | ||
139 | var out = {}; | ||
140 | for (var prop in defaultOptions) out[prop] = defaultOptions[prop]; | ||
141 | if (editor) for (var prop in editor) | ||
142 | if (editor[prop] !== undefined) out[prop] = editor[prop]; | ||
143 | if (options) for (var prop in options) | ||
144 | if (options[prop] !== undefined) out[prop] = options[prop]; | ||
145 | return out; | ||
146 | } | ||
147 | }; | ||
148 | |||
149 | function getText(completion) { | ||
150 | if (typeof completion == "string") return completion; | ||
151 | else return completion.text; | ||
152 | } | ||
153 | |||
154 | function buildKeyMap(completion, handle) { | ||
155 | var baseMap = { | ||
156 | Up: function() {handle.moveFocus(-1);}, | ||
157 | Down: function() {handle.moveFocus(1);}, | ||
158 | PageUp: function() {handle.moveFocus(-handle.menuSize() + 1, true);}, | ||
159 | PageDown: function() {handle.moveFocus(handle.menuSize() - 1, true);}, | ||
160 | Home: function() {handle.setFocus(0);}, | ||
161 | End: function() {handle.setFocus(handle.length - 1);}, | ||
162 | Enter: handle.pick, | ||
163 | Tab: handle.pick, | ||
164 | Esc: handle.close | ||
165 | }; | ||
166 | var custom = completion.options.customKeys; | ||
167 | var ourMap = custom ? {} : baseMap; | ||
168 | function addBinding(key, val) { | ||
169 | var bound; | ||
170 | if (typeof val != "string") | ||
171 | bound = function(cm) { return val(cm, handle); }; | ||
172 | // This mechanism is deprecated | ||
173 | else if (baseMap.hasOwnProperty(val)) | ||
174 | bound = baseMap[val]; | ||
175 | else | ||
176 | bound = val; | ||
177 | ourMap[key] = bound; | ||
178 | } | ||
179 | if (custom) | ||
180 | for (var key in custom) if (custom.hasOwnProperty(key)) | ||
181 | addBinding(key, custom[key]); | ||
182 | var extra = completion.options.extraKeys; | ||
183 | if (extra) | ||
184 | for (var key in extra) if (extra.hasOwnProperty(key)) | ||
185 | addBinding(key, extra[key]); | ||
186 | return ourMap; | ||
187 | } | ||
188 | |||
189 | function getHintElement(hintsElement, el) { | ||
190 | while (el && el != hintsElement) { | ||
191 | if (el.nodeName.toUpperCase() === "LI" && el.parentNode == hintsElement) return el; | ||
192 | el = el.parentNode; | ||
193 | } | ||
194 | } | ||
195 | |||
196 | function Widget(completion, data) { | ||
197 | this.completion = completion; | ||
198 | this.data = data; | ||
199 | this.picked = false; | ||
200 | var widget = this, cm = completion.cm; | ||
201 | |||
202 | var hints = this.hints = document.createElement("ul"); | ||
203 | hints.className = "CodeMirror-hints"; | ||
204 | this.selectedHint = data.selectedHint || 0; | ||
205 | |||
206 | var completions = data.list; | ||
207 | for (var i = 0; i < completions.length; ++i) { | ||
208 | var elt = hints.appendChild(document.createElement("li")), cur = completions[i]; | ||
209 | var className = HINT_ELEMENT_CLASS + (i != this.selectedHint ? "" : " " + ACTIVE_HINT_ELEMENT_CLASS); | ||
210 | if (cur.className != null) className = cur.className + " " + className; | ||
211 | elt.className = className; | ||
212 | if (cur.render) cur.render(elt, data, cur); | ||
213 | else elt.appendChild(document.createTextNode(cur.displayText || getText(cur))); | ||
214 | elt.hintId = i; | ||
215 | } | ||
216 | |||
217 | var pos = cm.cursorCoords(completion.options.alignWithWord ? data.from : null); | ||
218 | var left = pos.left, top = pos.bottom, below = true; | ||
219 | hints.style.left = left + "px"; | ||
220 | hints.style.top = top + "px"; | ||
221 | // If we're at the edge of the screen, then we want the menu to appear on the left of the cursor. | ||
222 | var winW = window.innerWidth || Math.max(document.body.offsetWidth, document.documentElement.offsetWidth); | ||
223 | var winH = window.innerHeight || Math.max(document.body.offsetHeight, document.documentElement.offsetHeight); | ||
224 | (completion.options.container || document.body).appendChild(hints); | ||
225 | var box = hints.getBoundingClientRect(), overlapY = box.bottom - winH; | ||
226 | if (overlapY > 0) { | ||
227 | var height = box.bottom - box.top, curTop = pos.top - (pos.bottom - box.top); | ||
228 | if (curTop - height > 0) { // Fits above cursor | ||
229 | hints.style.top = (top = pos.top - height) + "px"; | ||
230 | below = false; | ||
231 | } else if (height > winH) { | ||
232 | hints.style.height = (winH - 5) + "px"; | ||
233 | hints.style.top = (top = pos.bottom - box.top) + "px"; | ||
234 | var cursor = cm.getCursor(); | ||
235 | if (data.from.ch != cursor.ch) { | ||
236 | pos = cm.cursorCoords(cursor); | ||
237 | hints.style.left = (left = pos.left) + "px"; | ||
238 | box = hints.getBoundingClientRect(); | ||
239 | } | ||
240 | } | ||
241 | } | ||
242 | var overlapX = box.right - winW; | ||
243 | if (overlapX > 0) { | ||
244 | if (box.right - box.left > winW) { | ||
245 | hints.style.width = (winW - 5) + "px"; | ||
246 | overlapX -= (box.right - box.left) - winW; | ||
247 | } | ||
248 | hints.style.left = (left = pos.left - overlapX) + "px"; | ||
249 | } | ||
250 | |||
251 | cm.addKeyMap(this.keyMap = buildKeyMap(completion, { | ||
252 | moveFocus: function(n, avoidWrap) { widget.changeActive(widget.selectedHint + n, avoidWrap); }, | ||
253 | setFocus: function(n) { widget.changeActive(n); }, | ||
254 | menuSize: function() { return widget.screenAmount(); }, | ||
255 | length: completions.length, | ||
256 | close: function() { completion.close(); }, | ||
257 | pick: function() { widget.pick(); }, | ||
258 | data: data | ||
259 | })); | ||
260 | |||
261 | if (completion.options.closeOnUnfocus) { | ||
262 | var closingOnBlur; | ||
263 | cm.on("blur", this.onBlur = function() { closingOnBlur = setTimeout(function() { completion.close(); }, 100); }); | ||
264 | cm.on("focus", this.onFocus = function() { clearTimeout(closingOnBlur); }); | ||
265 | } | ||
266 | |||
267 | var startScroll = cm.getScrollInfo(); | ||
268 | cm.on("scroll", this.onScroll = function() { | ||
269 | var curScroll = cm.getScrollInfo(), editor = cm.getWrapperElement().getBoundingClientRect(); | ||
270 | var newTop = top + startScroll.top - curScroll.top; | ||
271 | var point = newTop - (window.pageYOffset || (document.documentElement || document.body).scrollTop); | ||
272 | if (!below) point += hints.offsetHeight; | ||
273 | if (point <= editor.top || point >= editor.bottom) return completion.close(); | ||
274 | hints.style.top = newTop + "px"; | ||
275 | hints.style.left = (left + startScroll.left - curScroll.left) + "px"; | ||
276 | }); | ||
277 | |||
278 | CodeMirror.on(hints, "dblclick", function(e) { | ||
279 | var t = getHintElement(hints, e.target || e.srcElement); | ||
280 | if (t && t.hintId != null) {widget.changeActive(t.hintId); widget.pick();} | ||
281 | }); | ||
282 | |||
283 | CodeMirror.on(hints, "click", function(e) { | ||
284 | var t = getHintElement(hints, e.target || e.srcElement); | ||
285 | if (t && t.hintId != null) { | ||
286 | widget.changeActive(t.hintId); | ||
287 | if (completion.options.completeOnSingleClick) widget.pick(); | ||
288 | } | ||
289 | }); | ||
290 | |||
291 | CodeMirror.on(hints, "mousedown", function() { | ||
292 | setTimeout(function(){cm.focus();}, 20); | ||
293 | }); | ||
294 | |||
295 | CodeMirror.signal(data, "select", completions[0], hints.firstChild); | ||
296 | return true; | ||
297 | } | ||
298 | |||
299 | Widget.prototype = { | ||
300 | close: function() { | ||
301 | if (this.completion.widget != this) return; | ||
302 | this.completion.widget = null; | ||
303 | this.hints.parentNode.removeChild(this.hints); | ||
304 | this.completion.cm.removeKeyMap(this.keyMap); | ||
305 | |||
306 | var cm = this.completion.cm; | ||
307 | if (this.completion.options.closeOnUnfocus) { | ||
308 | cm.off("blur", this.onBlur); | ||
309 | cm.off("focus", this.onFocus); | ||
310 | } | ||
311 | cm.off("scroll", this.onScroll); | ||
312 | }, | ||
313 | |||
314 | disable: function() { | ||
315 | this.completion.cm.removeKeyMap(this.keyMap); | ||
316 | var widget = this; | ||
317 | this.keyMap = {Enter: function() { widget.picked = true; }}; | ||
318 | this.completion.cm.addKeyMap(this.keyMap); | ||
319 | }, | ||
320 | |||
321 | pick: function() { | ||
322 | this.completion.pick(this.data, this.selectedHint); | ||
323 | }, | ||
324 | |||
325 | changeActive: function(i, avoidWrap) { | ||
326 | if (i >= this.data.list.length) | ||
327 | i = avoidWrap ? this.data.list.length - 1 : 0; | ||
328 | else if (i < 0) | ||
329 | i = avoidWrap ? 0 : this.data.list.length - 1; | ||
330 | if (this.selectedHint == i) return; | ||
331 | var node = this.hints.childNodes[this.selectedHint]; | ||
332 | node.className = node.className.replace(" " + ACTIVE_HINT_ELEMENT_CLASS, ""); | ||
333 | node = this.hints.childNodes[this.selectedHint = i]; | ||
334 | node.className += " " + ACTIVE_HINT_ELEMENT_CLASS; | ||
335 | if (node.offsetTop < this.hints.scrollTop) | ||
336 | this.hints.scrollTop = node.offsetTop - 3; | ||
337 | else if (node.offsetTop + node.offsetHeight > this.hints.scrollTop + this.hints.clientHeight) | ||
338 | this.hints.scrollTop = node.offsetTop + node.offsetHeight - this.hints.clientHeight + 3; | ||
339 | CodeMirror.signal(this.data, "select", this.data.list[this.selectedHint], node); | ||
340 | }, | ||
341 | |||
342 | screenAmount: function() { | ||
343 | return Math.floor(this.hints.clientHeight / this.hints.firstChild.offsetHeight) || 1; | ||
344 | } | ||
345 | }; | ||
346 | |||
347 | CodeMirror.registerHelper("hint", "auto", function(cm, options) { | ||
348 | var helpers = cm.getHelpers(cm.getCursor(), "hint"), words; | ||
349 | if (helpers.length) { | ||
350 | for (var i = 0; i < helpers.length; i++) { | ||
351 | var cur = helpers[i](cm, options); | ||
352 | if (cur && cur.list.length) return cur; | ||
353 | } | ||
354 | } else if (words = cm.getHelper(cm.getCursor(), "hintWords")) { | ||
355 | if (words) return CodeMirror.hint.fromList(cm, {words: words}); | ||
356 | } else if (CodeMirror.hint.anyword) { | ||
357 | return CodeMirror.hint.anyword(cm, options); | ||
358 | } | ||
359 | }); | ||
360 | |||
361 | CodeMirror.registerHelper("hint", "fromList", function(cm, options) { | ||
362 | var cur = cm.getCursor(), token = cm.getTokenAt(cur); | ||
363 | var found = []; | ||
364 | for (var i = 0; i < options.words.length; i++) { | ||
365 | var word = options.words[i]; | ||
366 | if (word.slice(0, token.string.length) == token.string) | ||
367 | found.push(word); | ||
368 | } | ||
369 | |||
370 | if (found.length) return { | ||
371 | list: found, | ||
372 | from: CodeMirror.Pos(cur.line, token.start), | ||
373 | to: CodeMirror.Pos(cur.line, token.end) | ||
374 | }; | ||
375 | }); | ||
376 | |||
377 | CodeMirror.commands.autocomplete = CodeMirror.showHint; | ||
378 | |||
379 | var defaultOptions = { | ||
380 | hint: CodeMirror.hint.auto, | ||
381 | completeSingle: true, | ||
382 | alignWithWord: true, | ||
383 | closeCharacters: /[\s()\[\]{};:>,]/, | ||
384 | closeOnUnfocus: true, | ||
385 | completeOnSingleClick: false, | ||
386 | container: null, | ||
387 | customKeys: null, | ||
388 | extraKeys: null | ||
389 | }; | ||
390 | |||
391 | CodeMirror.defineOption("hintOptions", null); | ||
392 | }); | ||