show-hint.js
524 lines
| 1 | // CodeMirror, copyright (c) by Marijn Haverbeke and others |
| 2 | // Distributed under an MIT license: https://codemirror.net/5/LICENSE |
| 3 | |
| 4 | // declare global: DOMRect |
| 5 | |
| 6 | (function(mod) { |
| 7 | if (typeof exports == "object" && typeof module == "object") // CommonJS |
| 8 | mod(require("../../lib/codemirror")); |
| 9 | else if (typeof define == "function" && define.amd) // AMD |
| 10 | define(["../../lib/codemirror"], mod); |
| 11 | else // Plain browser env |
| 12 | mod(CodeMirror); |
| 13 | })(function(CodeMirror) { |
| 14 | "use strict"; |
| 15 | |
| 16 | var HINT_ELEMENT_CLASS = "CodeMirror-hint"; |
| 17 | var ACTIVE_HINT_ELEMENT_CLASS = "CodeMirror-hint-active"; |
| 18 | |
| 19 | // This is the old interface, kept around for now to stay |
| 20 | // backwards-compatible. |
| 21 | CodeMirror.showHint = function(cm, getHints, options) { |
| 22 | if (!getHints) return cm.showHint(options); |
| 23 | if (options && options.async) getHints.async = true; |
| 24 | var newOpts = {hint: getHints}; |
| 25 | if (options) for (var prop in options) newOpts[prop] = options[prop]; |
| 26 | return cm.showHint(newOpts); |
| 27 | }; |
| 28 | |
| 29 | CodeMirror.defineExtension("showHint", function(options) { |
| 30 | options = parseOptions(this, this.getCursor("start"), options); |
| 31 | var selections = this.listSelections() |
| 32 | if (selections.length > 1) return; |
| 33 | // By default, don't allow completion when something is selected. |
| 34 | // A hint function can have a `supportsSelection` property to |
| 35 | // indicate that it can handle selections. |
| 36 | if (this.somethingSelected()) { |
| 37 | if (!options.hint.supportsSelection) return; |
| 38 | // Don't try with cross-line selections |
| 39 | for (var i = 0; i < selections.length; i++) |
| 40 | if (selections[i].head.line != selections[i].anchor.line) return; |
| 41 | } |
| 42 | |
| 43 | if (this.state.completionActive) this.state.completionActive.close(); |
| 44 | var completion = this.state.completionActive = new Completion(this, options); |
| 45 | if (!completion.options.hint) return; |
| 46 | |
| 47 | CodeMirror.signal(this, "startCompletion", this); |
| 48 | completion.update(true); |
| 49 | }); |
| 50 | |
| 51 | CodeMirror.defineExtension("closeHint", function() { |
| 52 | if (this.state.completionActive) this.state.completionActive.close() |
| 53 | }) |
| 54 | |
| 55 | function Completion(cm, options) { |
| 56 | this.cm = cm; |
| 57 | this.options = options; |
| 58 | this.widget = null; |
| 59 | this.debounce = 0; |
| 60 | this.tick = 0; |
| 61 | this.startPos = this.cm.getCursor("start"); |
| 62 | this.startLen = this.cm.getLine(this.startPos.line).length - this.cm.getSelection().length; |
| 63 | |
| 64 | if (this.options.updateOnCursorActivity) { |
| 65 | var self = this; |
| 66 | cm.on("cursorActivity", this.activityFunc = function() { self.cursorActivity(); }); |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | var requestAnimationFrame = window.requestAnimationFrame || function(fn) { |
| 71 | return setTimeout(fn, 1000/60); |
| 72 | }; |
| 73 | var cancelAnimationFrame = window.cancelAnimationFrame || clearTimeout; |
| 74 | |
| 75 | Completion.prototype = { |
| 76 | close: function() { |
| 77 | if (!this.active()) return; |
| 78 | this.cm.state.completionActive = null; |
| 79 | this.tick = null; |
| 80 | if (this.options.updateOnCursorActivity) { |
| 81 | this.cm.off("cursorActivity", this.activityFunc); |
| 82 | } |
| 83 | |
| 84 | if (this.widget && this.data) CodeMirror.signal(this.data, "close"); |
| 85 | if (this.widget) this.widget.close(); |
| 86 | CodeMirror.signal(this.cm, "endCompletion", this.cm); |
| 87 | }, |
| 88 | |
| 89 | active: function() { |
| 90 | return this.cm.state.completionActive == this; |
| 91 | }, |
| 92 | |
| 93 | pick: function(data, i) { |
| 94 | var completion = data.list[i], self = this; |
| 95 | this.cm.operation(function() { |
| 96 | if (completion.hint) |
| 97 | completion.hint(self.cm, data, completion); |
| 98 | else |
| 99 | self.cm.replaceRange(getText(completion), completion.from || data.from, |
| 100 | completion.to || data.to, "complete"); |
| 101 | CodeMirror.signal(data, "pick", completion); |
| 102 | self.cm.scrollIntoView(); |
| 103 | }); |
| 104 | if (this.options.closeOnPick) { |
| 105 | this.close(); |
| 106 | } |
| 107 | }, |
| 108 | |
| 109 | cursorActivity: function() { |
| 110 | if (this.debounce) { |
| 111 | cancelAnimationFrame(this.debounce); |
| 112 | this.debounce = 0; |
| 113 | } |
| 114 | |
| 115 | var identStart = this.startPos; |
| 116 | if(this.data) { |
| 117 | identStart = this.data.from; |
| 118 | } |
| 119 | |
| 120 | var pos = this.cm.getCursor(), line = this.cm.getLine(pos.line); |
| 121 | if (pos.line != this.startPos.line || line.length - pos.ch != this.startLen - this.startPos.ch || |
| 122 | pos.ch < identStart.ch || this.cm.somethingSelected() || |
| 123 | (!pos.ch || this.options.closeCharacters.test(line.charAt(pos.ch - 1)))) { |
| 124 | this.close(); |
| 125 | } else { |
| 126 | var self = this; |
| 127 | this.debounce = requestAnimationFrame(function() {self.update();}); |
| 128 | if (this.widget) this.widget.disable(); |
| 129 | } |
| 130 | }, |
| 131 | |
| 132 | update: function(first) { |
| 133 | if (this.tick == null) return |
| 134 | var self = this, myTick = ++this.tick |
| 135 | fetchHints(this.options.hint, this.cm, this.options, function(data) { |
| 136 | if (self.tick == myTick) self.finishUpdate(data, first) |
| 137 | }) |
| 138 | }, |
| 139 | |
| 140 | finishUpdate: function(data, first) { |
| 141 | if (this.data) CodeMirror.signal(this.data, "update"); |
| 142 | |
| 143 | var picked = (this.widget && this.widget.picked) || (first && this.options.completeSingle); |
| 144 | if (this.widget) this.widget.close(); |
| 145 | |
| 146 | this.data = data; |
| 147 | |
| 148 | if (data && data.list.length) { |
| 149 | if (picked && data.list.length == 1) { |
| 150 | this.pick(data, 0); |
| 151 | } else { |
| 152 | this.widget = new Widget(this, data); |
| 153 | CodeMirror.signal(data, "shown"); |
| 154 | } |
| 155 | } |
| 156 | } |
| 157 | }; |
| 158 | |
| 159 | function parseOptions(cm, pos, options) { |
| 160 | var editor = cm.options.hintOptions; |
| 161 | var out = {}; |
| 162 | for (var prop in defaultOptions) out[prop] = defaultOptions[prop]; |
| 163 | if (editor) for (var prop in editor) |
| 164 | if (editor[prop] !== undefined) out[prop] = editor[prop]; |
| 165 | if (options) for (var prop in options) |
| 166 | if (options[prop] !== undefined) out[prop] = options[prop]; |
| 167 | if (out.hint.resolve) out.hint = out.hint.resolve(cm, pos) |
| 168 | return out; |
| 169 | } |
| 170 | |
| 171 | function getText(completion) { |
| 172 | if (typeof completion == "string") return completion; |
| 173 | else return completion.text; |
| 174 | } |
| 175 | |
| 176 | function buildKeyMap(completion, handle) { |
| 177 | var baseMap = { |
| 178 | Up: function() {handle.moveFocus(-1);}, |
| 179 | Down: function() {handle.moveFocus(1);}, |
| 180 | PageUp: function() {handle.moveFocus(-handle.menuSize() + 1, true);}, |
| 181 | PageDown: function() {handle.moveFocus(handle.menuSize() - 1, true);}, |
| 182 | Home: function() {handle.setFocus(0);}, |
| 183 | End: function() {handle.setFocus(handle.length - 1);}, |
| 184 | Enter: handle.pick, |
| 185 | Tab: handle.pick, |
| 186 | Esc: handle.close |
| 187 | }; |
| 188 | |
| 189 | var mac = /Mac/.test(navigator.platform); |
| 190 | |
| 191 | if (mac) { |
| 192 | baseMap["Ctrl-P"] = function() {handle.moveFocus(-1);}; |
| 193 | baseMap["Ctrl-N"] = function() {handle.moveFocus(1);}; |
| 194 | } |
| 195 | |
| 196 | var custom = completion.options.customKeys; |
| 197 | var ourMap = custom ? {} : baseMap; |
| 198 | function addBinding(key, val) { |
| 199 | var bound; |
| 200 | if (typeof val != "string") |
| 201 | bound = function(cm) { return val(cm, handle); }; |
| 202 | // This mechanism is deprecated |
| 203 | else if (baseMap.hasOwnProperty(val)) |
| 204 | bound = baseMap[val]; |
| 205 | else |
| 206 | bound = val; |
| 207 | ourMap[key] = bound; |
| 208 | } |
| 209 | if (custom) |
| 210 | for (var key in custom) if (custom.hasOwnProperty(key)) |
| 211 | addBinding(key, custom[key]); |
| 212 | var extra = completion.options.extraKeys; |
| 213 | if (extra) |
| 214 | for (var key in extra) if (extra.hasOwnProperty(key)) |
| 215 | addBinding(key, extra[key]); |
| 216 | return ourMap; |
| 217 | } |
| 218 | |
| 219 | function getHintElement(hintsElement, el) { |
| 220 | while (el && el != hintsElement) { |
| 221 | if (el.nodeName.toUpperCase() === "LI" && el.parentNode == hintsElement) return el; |
| 222 | el = el.parentNode; |
| 223 | } |
| 224 | } |
| 225 | |
| 226 | function Widget(completion, data) { |
| 227 | this.id = "cm-complete-" + Math.floor(Math.random(1e6)) |
| 228 | this.completion = completion; |
| 229 | this.data = data; |
| 230 | this.picked = false; |
| 231 | var widget = this, cm = completion.cm; |
| 232 | var ownerDocument = cm.getInputField().ownerDocument; |
| 233 | var parentWindow = ownerDocument.defaultView || ownerDocument.parentWindow; |
| 234 | |
| 235 | var hints = this.hints = ownerDocument.createElement("ul"); |
| 236 | hints.setAttribute("role", "listbox") |
| 237 | hints.setAttribute("aria-expanded", "true") |
| 238 | hints.id = this.id |
| 239 | var theme = completion.cm.options.theme; |
| 240 | hints.className = "CodeMirror-hints " + theme; |
| 241 | this.selectedHint = data.selectedHint || 0; |
| 242 | |
| 243 | var completions = data.list; |
| 244 | for (var i = 0; i < completions.length; ++i) { |
| 245 | var elt = hints.appendChild(ownerDocument.createElement("li")), cur = completions[i]; |
| 246 | var className = HINT_ELEMENT_CLASS + (i != this.selectedHint ? "" : " " + ACTIVE_HINT_ELEMENT_CLASS); |
| 247 | if (cur.className != null) className = cur.className + " " + className; |
| 248 | elt.className = className; |
| 249 | if (i == this.selectedHint) elt.setAttribute("aria-selected", "true") |
| 250 | elt.id = this.id + "-" + i |
| 251 | elt.setAttribute("role", "option") |
| 252 | if (cur.render) cur.render(elt, data, cur); |
| 253 | else elt.appendChild(ownerDocument.createTextNode(cur.displayText || getText(cur))); |
| 254 | elt.hintId = i; |
| 255 | } |
| 256 | |
| 257 | var container = completion.options.container || ownerDocument.body; |
| 258 | var pos = cm.cursorCoords(completion.options.alignWithWord ? data.from : null); |
| 259 | var left = pos.left, top = pos.bottom, below = true; |
| 260 | var offsetLeft = 0, offsetTop = 0; |
| 261 | if (container !== ownerDocument.body) { |
| 262 | // We offset the cursor position because left and top are relative to the offsetParent's top left corner. |
| 263 | var isContainerPositioned = ['absolute', 'relative', 'fixed'].indexOf(parentWindow.getComputedStyle(container).position) !== -1; |
| 264 | var offsetParent = isContainerPositioned ? container : container.offsetParent; |
| 265 | var offsetParentPosition = offsetParent.getBoundingClientRect(); |
| 266 | var bodyPosition = ownerDocument.body.getBoundingClientRect(); |
| 267 | offsetLeft = (offsetParentPosition.left - bodyPosition.left - offsetParent.scrollLeft); |
| 268 | offsetTop = (offsetParentPosition.top - bodyPosition.top - offsetParent.scrollTop); |
| 269 | } |
| 270 | hints.style.left = (left - offsetLeft) + "px"; |
| 271 | hints.style.top = (top - offsetTop) + "px"; |
| 272 | |
| 273 | // If we're at the edge of the screen, then we want the menu to appear on the left of the cursor. |
| 274 | var winW = parentWindow.innerWidth || Math.max(ownerDocument.body.offsetWidth, ownerDocument.documentElement.offsetWidth); |
| 275 | var winH = parentWindow.innerHeight || Math.max(ownerDocument.body.offsetHeight, ownerDocument.documentElement.offsetHeight); |
| 276 | container.appendChild(hints); |
| 277 | cm.getInputField().setAttribute("aria-autocomplete", "list") |
| 278 | cm.getInputField().setAttribute("aria-owns", this.id) |
| 279 | cm.getInputField().setAttribute("aria-activedescendant", this.id + "-" + this.selectedHint) |
| 280 | |
| 281 | var box = completion.options.moveOnOverlap ? hints.getBoundingClientRect() : new DOMRect(); |
| 282 | var scrolls = completion.options.paddingForScrollbar ? hints.scrollHeight > hints.clientHeight + 1 : false; |
| 283 | |
| 284 | // Compute in the timeout to avoid reflow on init |
| 285 | var startScroll; |
| 286 | setTimeout(function() { startScroll = cm.getScrollInfo(); }); |
| 287 | |
| 288 | var overlapY = box.bottom - winH; |
| 289 | if (overlapY > 0) { // Does not fit below |
| 290 | var height = box.bottom - box.top, spaceAbove = box.top - (pos.bottom - pos.top) - 2 |
| 291 | if (winH - box.top < spaceAbove) { // More room at the top |
| 292 | if (height > spaceAbove) hints.style.height = (height = spaceAbove) + "px"; |
| 293 | hints.style.top = ((top = pos.top - height) + offsetTop) + "px"; |
| 294 | below = false; |
| 295 | } else { |
| 296 | hints.style.height = (winH - box.top - 2) + "px"; |
| 297 | } |
| 298 | } |
| 299 | var overlapX = box.right - winW; |
| 300 | if (scrolls) overlapX += cm.display.nativeBarWidth; |
| 301 | if (overlapX > 0) { |
| 302 | if (box.right - box.left > winW) { |
| 303 | hints.style.width = (winW - 5) + "px"; |
| 304 | overlapX -= (box.right - box.left) - winW; |
| 305 | } |
| 306 | hints.style.left = (left = Math.max(pos.left - overlapX - offsetLeft, 0)) + "px"; |
| 307 | } |
| 308 | if (scrolls) for (var node = hints.firstChild; node; node = node.nextSibling) |
| 309 | node.style.paddingRight = cm.display.nativeBarWidth + "px" |
| 310 | |
| 311 | cm.addKeyMap(this.keyMap = buildKeyMap(completion, { |
| 312 | moveFocus: function(n, avoidWrap) { widget.changeActive(widget.selectedHint + n, avoidWrap); }, |
| 313 | setFocus: function(n) { widget.changeActive(n); }, |
| 314 | menuSize: function() { return widget.screenAmount(); }, |
| 315 | length: completions.length, |
| 316 | close: function() { completion.close(); }, |
| 317 | pick: function() { widget.pick(); }, |
| 318 | data: data |
| 319 | })); |
| 320 | |
| 321 | if (completion.options.closeOnUnfocus) { |
| 322 | var closingOnBlur; |
| 323 | cm.on("blur", this.onBlur = function() { closingOnBlur = setTimeout(function() { completion.close(); }, 100); }); |
| 324 | cm.on("focus", this.onFocus = function() { clearTimeout(closingOnBlur); }); |
| 325 | } |
| 326 | |
| 327 | cm.on("scroll", this.onScroll = function() { |
| 328 | var curScroll = cm.getScrollInfo(), editor = cm.getWrapperElement().getBoundingClientRect(); |
| 329 | if (!startScroll) startScroll = cm.getScrollInfo(); |
| 330 | var newTop = top + startScroll.top - curScroll.top; |
| 331 | var point = newTop - (parentWindow.pageYOffset || (ownerDocument.documentElement || ownerDocument.body).scrollTop); |
| 332 | if (!below) point += hints.offsetHeight; |
| 333 | if (point <= editor.top || point >= editor.bottom) return completion.close(); |
| 334 | hints.style.top = newTop + "px"; |
| 335 | hints.style.left = (left + startScroll.left - curScroll.left) + "px"; |
| 336 | }); |
| 337 | |
| 338 | CodeMirror.on(hints, "dblclick", function(e) { |
| 339 | var t = getHintElement(hints, e.target || e.srcElement); |
| 340 | if (t && t.hintId != null) {widget.changeActive(t.hintId); widget.pick();} |
| 341 | }); |
| 342 | |
| 343 | CodeMirror.on(hints, "click", function(e) { |
| 344 | var t = getHintElement(hints, e.target || e.srcElement); |
| 345 | if (t && t.hintId != null) { |
| 346 | widget.changeActive(t.hintId); |
| 347 | if (completion.options.completeOnSingleClick) widget.pick(); |
| 348 | } |
| 349 | }); |
| 350 | |
| 351 | CodeMirror.on(hints, "mousedown", function() { |
| 352 | setTimeout(function(){cm.focus();}, 20); |
| 353 | }); |
| 354 | |
| 355 | // The first hint doesn't need to be scrolled to on init |
| 356 | var selectedHintRange = this.getSelectedHintRange(); |
| 357 | if (selectedHintRange.from !== 0 || selectedHintRange.to !== 0) { |
| 358 | this.scrollToActive(); |
| 359 | } |
| 360 | |
| 361 | CodeMirror.signal(data, "select", completions[this.selectedHint], hints.childNodes[this.selectedHint]); |
| 362 | return true; |
| 363 | } |
| 364 | |
| 365 | Widget.prototype = { |
| 366 | close: function() { |
| 367 | if (this.completion.widget != this) return; |
| 368 | this.completion.widget = null; |
| 369 | if (this.hints.parentNode) this.hints.parentNode.removeChild(this.hints); |
| 370 | this.completion.cm.removeKeyMap(this.keyMap); |
| 371 | var input = this.completion.cm.getInputField() |
| 372 | input.removeAttribute("aria-activedescendant") |
| 373 | input.removeAttribute("aria-owns") |
| 374 | |
| 375 | var cm = this.completion.cm; |
| 376 | if (this.completion.options.closeOnUnfocus) { |
| 377 | cm.off("blur", this.onBlur); |
| 378 | cm.off("focus", this.onFocus); |
| 379 | } |
| 380 | cm.off("scroll", this.onScroll); |
| 381 | }, |
| 382 | |
| 383 | disable: function() { |
| 384 | this.completion.cm.removeKeyMap(this.keyMap); |
| 385 | var widget = this; |
| 386 | this.keyMap = {Enter: function() { widget.picked = true; }}; |
| 387 | this.completion.cm.addKeyMap(this.keyMap); |
| 388 | }, |
| 389 | |
| 390 | pick: function() { |
| 391 | this.completion.pick(this.data, this.selectedHint); |
| 392 | }, |
| 393 | |
| 394 | changeActive: function(i, avoidWrap) { |
| 395 | if (i >= this.data.list.length) |
| 396 | i = avoidWrap ? this.data.list.length - 1 : 0; |
| 397 | else if (i < 0) |
| 398 | i = avoidWrap ? 0 : this.data.list.length - 1; |
| 399 | if (this.selectedHint == i) return; |
| 400 | var node = this.hints.childNodes[this.selectedHint]; |
| 401 | if (node) { |
| 402 | node.className = node.className.replace(" " + ACTIVE_HINT_ELEMENT_CLASS, ""); |
| 403 | node.removeAttribute("aria-selected") |
| 404 | } |
| 405 | node = this.hints.childNodes[this.selectedHint = i]; |
| 406 | node.className += " " + ACTIVE_HINT_ELEMENT_CLASS; |
| 407 | node.setAttribute("aria-selected", "true") |
| 408 | this.completion.cm.getInputField().setAttribute("aria-activedescendant", node.id) |
| 409 | this.scrollToActive() |
| 410 | CodeMirror.signal(this.data, "select", this.data.list[this.selectedHint], node); |
| 411 | }, |
| 412 | |
| 413 | scrollToActive: function() { |
| 414 | var selectedHintRange = this.getSelectedHintRange(); |
| 415 | var node1 = this.hints.childNodes[selectedHintRange.from]; |
| 416 | var node2 = this.hints.childNodes[selectedHintRange.to]; |
| 417 | var firstNode = this.hints.firstChild; |
| 418 | if (node1.offsetTop < this.hints.scrollTop) |
| 419 | this.hints.scrollTop = node1.offsetTop - firstNode.offsetTop; |
| 420 | else if (node2.offsetTop + node2.offsetHeight > this.hints.scrollTop + this.hints.clientHeight) |
| 421 | this.hints.scrollTop = node2.offsetTop + node2.offsetHeight - this.hints.clientHeight + firstNode.offsetTop; |
| 422 | }, |
| 423 | |
| 424 | screenAmount: function() { |
| 425 | return Math.floor(this.hints.clientHeight / this.hints.firstChild.offsetHeight) || 1; |
| 426 | }, |
| 427 | |
| 428 | getSelectedHintRange: function() { |
| 429 | var margin = this.completion.options.scrollMargin || 0; |
| 430 | return { |
| 431 | from: Math.max(0, this.selectedHint - margin), |
| 432 | to: Math.min(this.data.list.length - 1, this.selectedHint + margin), |
| 433 | }; |
| 434 | } |
| 435 | }; |
| 436 | |
| 437 | function applicableHelpers(cm, helpers) { |
| 438 | if (!cm.somethingSelected()) return helpers |
| 439 | var result = [] |
| 440 | for (var i = 0; i < helpers.length; i++) |
| 441 | if (helpers[i].supportsSelection) result.push(helpers[i]) |
| 442 | return result |
| 443 | } |
| 444 | |
| 445 | function fetchHints(hint, cm, options, callback) { |
| 446 | if (hint.async) { |
| 447 | hint(cm, callback, options) |
| 448 | } else { |
| 449 | var result = hint(cm, options) |
| 450 | if (result && result.then) result.then(callback) |
| 451 | else callback(result) |
| 452 | } |
| 453 | } |
| 454 | |
| 455 | function resolveAutoHints(cm, pos) { |
| 456 | var helpers = cm.getHelpers(pos, "hint"), words |
| 457 | if (helpers.length) { |
| 458 | var resolved = function(cm, callback, options) { |
| 459 | var app = applicableHelpers(cm, helpers); |
| 460 | function run(i) { |
| 461 | if (i == app.length) return callback(null) |
| 462 | fetchHints(app[i], cm, options, function(result) { |
| 463 | if (result && result.list.length > 0) callback(result) |
| 464 | else run(i + 1) |
| 465 | }) |
| 466 | } |
| 467 | run(0) |
| 468 | } |
| 469 | resolved.async = true |
| 470 | resolved.supportsSelection = true |
| 471 | return resolved |
| 472 | } else if (words = cm.getHelper(cm.getCursor(), "hintWords")) { |
| 473 | return function(cm) { return CodeMirror.hint.fromList(cm, {words: words}) } |
| 474 | } else if (CodeMirror.hint.anyword) { |
| 475 | return function(cm, options) { return CodeMirror.hint.anyword(cm, options) } |
| 476 | } else { |
| 477 | return function() {} |
| 478 | } |
| 479 | } |
| 480 | |
| 481 | CodeMirror.registerHelper("hint", "auto", { |
| 482 | resolve: resolveAutoHints |
| 483 | }); |
| 484 | |
| 485 | CodeMirror.registerHelper("hint", "fromList", function(cm, options) { |
| 486 | var cur = cm.getCursor(), token = cm.getTokenAt(cur) |
| 487 | var term, from = CodeMirror.Pos(cur.line, token.start), to = cur |
| 488 | if (token.start < cur.ch && /\w/.test(token.string.charAt(cur.ch - token.start - 1))) { |
| 489 | term = token.string.substr(0, cur.ch - token.start) |
| 490 | } else { |
| 491 | term = "" |
| 492 | from = cur |
| 493 | } |
| 494 | var found = []; |
| 495 | for (var i = 0; i < options.words.length; i++) { |
| 496 | var word = options.words[i]; |
| 497 | if (word.slice(0, term.length) == term) |
| 498 | found.push(word); |
| 499 | } |
| 500 | |
| 501 | if (found.length) return {list: found, from: from, to: to}; |
| 502 | }); |
| 503 | |
| 504 | CodeMirror.commands.autocomplete = CodeMirror.showHint; |
| 505 | |
| 506 | var defaultOptions = { |
| 507 | hint: CodeMirror.hint.auto, |
| 508 | completeSingle: true, |
| 509 | alignWithWord: true, |
| 510 | closeCharacters: /[\s()\[\]{};:>,]/, |
| 511 | closeOnPick: true, |
| 512 | closeOnUnfocus: true, |
| 513 | updateOnCursorActivity: true, |
| 514 | completeOnSingleClick: true, |
| 515 | container: null, |
| 516 | customKeys: null, |
| 517 | extraKeys: null, |
| 518 | paddingForScrollbar: true, |
| 519 | moveOnOverlap: true, |
| 520 | }; |
| 521 | |
| 522 | CodeMirror.defineOption("hintOptions", null); |
| 523 | }); |
| 524 |