/var/www/coffee-cms.ru/html: .cms/lib/codemirror/addon/hint/show-hint.js comparison

comparison .cms/lib/codemirror/addon/hint/show-hint.js @ 0:78edf6b517a0 draft

24.10

author	Coffee CMS <info@coffee-cms.ru>
date	Fri, 11 Oct 2024 22:40:23 +0000
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--1:000000000000
+:78edf6b517a0
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: https://codemirror.net/5/LICENSE
+// declare global: DOMRect
+(function(mod) {
+if (typeof exports == "object" && typeof module == "object") // CommonJS
+mod(require("../../lib/codemirror"));
+else if (typeof define == "function" && define.amd) // AMD
+define(["../../lib/codemirror"], mod);
+else // Plain browser env
+mod(CodeMirror);
+})(function(CodeMirror) {
+"use strict";
+var HINT_ELEMENT_CLASS        = "CodeMirror-hint";
+var ACTIVE_HINT_ELEMENT_CLASS = "CodeMirror-hint-active";
+// This is the old interface, kept around for now to stay
+// backwards-compatible.
+CodeMirror.showHint = function(cm, getHints, options) {
+if (!getHints) return cm.showHint(options);
+if (options && options.async) getHints.async = true;
+var newOpts = {hint: getHints};
+if (options) for (var prop in options) newOpts[prop] = options[prop];
+return cm.showHint(newOpts);
+};
+CodeMirror.defineExtension("showHint", function(options) {
+options = parseOptions(this, this.getCursor("start"), options);
+var selections = this.listSelections()
+if (selections.length > 1) return;
+// By default, don't allow completion when something is selected.
+// A hint function can have a `supportsSelection` property to
+// indicate that it can handle selections.
+if (this.somethingSelected()) {
+if (!options.hint.supportsSelection) return;
+// Don't try with cross-line selections
+for (var i = 0; i < selections.length; i++)
+if (selections[i].head.line != selections[i].anchor.line) return;
+}
+if (this.state.completionActive) this.state.completionActive.close();
+var completion = this.state.completionActive = new Completion(this, options);
+if (!completion.options.hint) return;
+CodeMirror.signal(this, "startCompletion", this);
+completion.update(true);
+});
+CodeMirror.defineExtension("closeHint", function() {
+if (this.state.completionActive) this.state.completionActive.close()
+})
+function Completion(cm, options) {
+this.cm = cm;
+this.options = options;
+this.widget = null;
+this.debounce = 0;
+this.tick = 0;
+this.startPos = this.cm.getCursor("start");
+this.startLen = this.cm.getLine(this.startPos.line).length - this.cm.getSelection().length;
+if (this.options.updateOnCursorActivity) {
+var self = this;
+cm.on("cursorActivity", this.activityFunc = function() { self.cursorActivity(); });
+}
+}
+var requestAnimationFrame = window.requestAnimationFrame || function(fn) {
+return setTimeout(fn, 1000/60);
+};
+var cancelAnimationFrame = window.cancelAnimationFrame || clearTimeout;
+Completion.prototype = {
+close: function() {
+if (!this.active()) return;
+this.cm.state.completionActive = null;
+this.tick = null;
+if (this.options.updateOnCursorActivity) {
+this.cm.off("cursorActivity", this.activityFunc);
+}
+if (this.widget && this.data) CodeMirror.signal(this.data, "close");
+if (this.widget) this.widget.close();
+CodeMirror.signal(this.cm, "endCompletion", this.cm);
+},
+active: function() {
+return this.cm.state.completionActive == this;
+},
+pick: function(data, i) {
+var completion = data.list[i], self = this;
+this.cm.operation(function() {
+if (completion.hint)
+completion.hint(self.cm, data, completion);
+else
+self.cm.replaceRange(getText(completion), completion.from || data.from,
+completion.to || data.to, "complete");
+CodeMirror.signal(data, "pick", completion);
+self.cm.scrollIntoView();
+});
+if (this.options.closeOnPick) {
+this.close();
+}
+},
+cursorActivity: function() {
+if (this.debounce) {
+cancelAnimationFrame(this.debounce);
+this.debounce = 0;
+}
+var identStart = this.startPos;
+if(this.data) {
+identStart = this.data.from;
+}
+var pos = this.cm.getCursor(), line = this.cm.getLine(pos.line);
+if (pos.line != this.startPos.line || line.length - pos.ch != this.startLen - this.startPos.ch ||
+pos.ch < identStart.ch || this.cm.somethingSelected() ||
+(!pos.ch || this.options.closeCharacters.test(line.charAt(pos.ch - 1)))) {
+this.close();
+} else {
+var self = this;
+this.debounce = requestAnimationFrame(function() {self.update();});
+if (this.widget) this.widget.disable();
+}
+},
+update: function(first) {
+if (this.tick == null) return
+var self = this, myTick = ++this.tick
+fetchHints(this.options.hint, this.cm, this.options, function(data) {
+if (self.tick == myTick) self.finishUpdate(data, first)
+})
+},
+finishUpdate: function(data, first) {
+if (this.data) CodeMirror.signal(this.data, "update");
+var picked = (this.widget && this.widget.picked) || (first && this.options.completeSingle);
+if (this.widget) this.widget.close();
+this.data = data;
+if (data && data.list.length) {
+if (picked && data.list.length == 1) {
+this.pick(data, 0);
+} else {
+this.widget = new Widget(this, data);
+CodeMirror.signal(data, "shown");
+}
+}
+}
+};
+function parseOptions(cm, pos, options) {
+var editor = cm.options.hintOptions;
+var out = {};
+for (var prop in defaultOptions) out[prop] = defaultOptions[prop];
+if (editor) for (var prop in editor)
+if (editor[prop] !== undefined) out[prop] = editor[prop];
+if (options) for (var prop in options)
+if (options[prop] !== undefined) out[prop] = options[prop];
+if (out.hint.resolve) out.hint = out.hint.resolve(cm, pos)
+return out;
+}
+function getText(completion) {
+if (typeof completion == "string") return completion;
+else return completion.text;
+}
+function buildKeyMap(completion, handle) {
+var baseMap = {
+Up: function() {handle.moveFocus(-1);},
+Down: function() {handle.moveFocus(1);},
+PageUp: function() {handle.moveFocus(-handle.menuSize() + 1, true);},
+PageDown: function() {handle.moveFocus(handle.menuSize() - 1, true);},
+Home: function() {handle.setFocus(0);},
+End: function() {handle.setFocus(handle.length - 1);},
+Enter: handle.pick,
+Tab: handle.pick,
+Esc: handle.close
+};
+var mac = /Mac/.test(navigator.platform);
+if (mac) {
+baseMap["Ctrl-P"] = function() {handle.moveFocus(-1);};
+baseMap["Ctrl-N"] = function() {handle.moveFocus(1);};
+}
+var custom = completion.options.customKeys;
+var ourMap = custom ? {} : baseMap;
+function addBinding(key, val) {
+var bound;
+if (typeof val != "string")
+bound = function(cm) { return val(cm, handle); };
+// This mechanism is deprecated
+else if (baseMap.hasOwnProperty(val))
+bound = baseMap[val];
+else
+bound = val;
+ourMap[key] = bound;
+}
+if (custom)
+for (var key in custom) if (custom.hasOwnProperty(key))
+addBinding(key, custom[key]);
+var extra = completion.options.extraKeys;
+if (extra)
+for (var key in extra) if (extra.hasOwnProperty(key))
+addBinding(key, extra[key]);
+return ourMap;
+}
+function getHintElement(hintsElement, el) {
+while (el && el != hintsElement) {
+if (el.nodeName.toUpperCase() === "LI" && el.parentNode == hintsElement) return el;
+el = el.parentNode;
+}
+}
+function Widget(completion, data) {
+this.id = "cm-complete-" + Math.floor(Math.random(1e6))
+this.completion = completion;
+this.data = data;
+this.picked = false;
+var widget = this, cm = completion.cm;
+var ownerDocument = cm.getInputField().ownerDocument;
+var parentWindow = ownerDocument.defaultView || ownerDocument.parentWindow;
+var hints = this.hints = ownerDocument.createElement("ul");
+hints.setAttribute("role", "listbox")
+hints.setAttribute("aria-expanded", "true")
+hints.id = this.id
+var theme = completion.cm.options.theme;
+hints.className = "CodeMirror-hints " + theme;
+this.selectedHint = data.selectedHint || 0;
+var completions = data.list;
+for (var i = 0; i < completions.length; ++i) {
+var elt = hints.appendChild(ownerDocument.createElement("li")), cur = completions[i];
+var className = HINT_ELEMENT_CLASS + (i != this.selectedHint ? "" : " " + ACTIVE_HINT_ELEMENT_CLASS);
+if (cur.className != null) className = cur.className + " " + className;
+elt.className = className;
+if (i == this.selectedHint) elt.setAttribute("aria-selected", "true")
+elt.id = this.id + "-" + i
+elt.setAttribute("role", "option")
+if (cur.render) cur.render(elt, data, cur);
+else elt.appendChild(ownerDocument.createTextNode(cur.displayText || getText(cur)));
+elt.hintId = i;
+}
+var container = completion.options.container || ownerDocument.body;
+var pos = cm.cursorCoords(completion.options.alignWithWord ? data.from : null);
+var left = pos.left, top = pos.bottom, below = true;
+var offsetLeft = 0, offsetTop = 0;
+if (container !== ownerDocument.body) {
+// We offset the cursor position because left and top are relative to the offsetParent's top left corner.
+var isContainerPositioned = ['absolute', 'relative', 'fixed'].indexOf(parentWindow.getComputedStyle(container).position) !== -1;
+var offsetParent = isContainerPositioned ? container : container.offsetParent;
+var offsetParentPosition = offsetParent.getBoundingClientRect();
+var bodyPosition = ownerDocument.body.getBoundingClientRect();
+offsetLeft = (offsetParentPosition.left - bodyPosition.left - offsetParent.scrollLeft);
+offsetTop = (offsetParentPosition.top - bodyPosition.top - offsetParent.scrollTop);
+}
+hints.style.left = (left - offsetLeft) + "px";
+hints.style.top = (top - offsetTop) + "px";
+// If we're at the edge of the screen, then we want the menu to appear on the left of the cursor.
+var winW = parentWindow.innerWidth || Math.max(ownerDocument.body.offsetWidth, ownerDocument.documentElement.offsetWidth);
+var winH = parentWindow.innerHeight || Math.max(ownerDocument.body.offsetHeight, ownerDocument.documentElement.offsetHeight);
+container.appendChild(hints);
+cm.getInputField().setAttribute("aria-autocomplete", "list")
+cm.getInputField().setAttribute("aria-owns", this.id)
+cm.getInputField().setAttribute("aria-activedescendant", this.id + "-" + this.selectedHint)
+var box = completion.options.moveOnOverlap ? hints.getBoundingClientRect() : new DOMRect();
+var scrolls = completion.options.paddingForScrollbar ? hints.scrollHeight > hints.clientHeight + 1 : false;
+// Compute in the timeout to avoid reflow on init
+var startScroll;
+setTimeout(function() { startScroll = cm.getScrollInfo(); });
+var overlapY = box.bottom - winH;
+if (overlapY > 0) { // Does not fit below
+var height = box.bottom - box.top, spaceAbove = box.top - (pos.bottom - pos.top) - 2
+if (winH - box.top < spaceAbove) { // More room at the top
+if (height > spaceAbove) hints.style.height = (height = spaceAbove) + "px";
+hints.style.top = ((top = pos.top - height) + offsetTop) + "px";
+below = false;
+} else {
+hints.style.height = (winH - box.top - 2) + "px";
+}
+}
+var overlapX = box.right - winW;
+if (scrolls) overlapX += cm.display.nativeBarWidth;
+if (overlapX > 0) {
+if (box.right - box.left > winW) {
+hints.style.width = (winW - 5) + "px";
+overlapX -= (box.right - box.left) - winW;
+}
+hints.style.left = (left = Math.max(pos.left - overlapX - offsetLeft, 0)) + "px";
+}
+if (scrolls) for (var node = hints.firstChild; node; node = node.nextSibling)
+node.style.paddingRight = cm.display.nativeBarWidth + "px"
+cm.addKeyMap(this.keyMap = buildKeyMap(completion, {
+moveFocus: function(n, avoidWrap) { widget.changeActive(widget.selectedHint + n, avoidWrap); },
+setFocus: function(n) { widget.changeActive(n); },
+menuSize: function() { return widget.screenAmount(); },
+length: completions.length,
+close: function() { completion.close(); },
+pick: function() { widget.pick(); },
+data: data
+}));
+if (completion.options.closeOnUnfocus) {
+var closingOnBlur;
+cm.on("blur", this.onBlur = function() { closingOnBlur = setTimeout(function() { completion.close(); }, 100); });
+cm.on("focus", this.onFocus = function() { clearTimeout(closingOnBlur); });
+}
+cm.on("scroll", this.onScroll = function() {
+var curScroll = cm.getScrollInfo(), editor = cm.getWrapperElement().getBoundingClientRect();
+if (!startScroll) startScroll = cm.getScrollInfo();
+var newTop = top + startScroll.top - curScroll.top;
+var point = newTop - (parentWindow.pageYOffset || (ownerDocument.documentElement || ownerDocument.body).scrollTop);
+if (!below) point += hints.offsetHeight;
+if (point <= editor.top || point >= editor.bottom) return completion.close();
+hints.style.top = newTop + "px";
+hints.style.left = (left + startScroll.left - curScroll.left) + "px";
+});
+CodeMirror.on(hints, "dblclick", function(e) {
+var t = getHintElement(hints, e.target || e.srcElement);
+if (t && t.hintId != null) {widget.changeActive(t.hintId); widget.pick();}
+});
+CodeMirror.on(hints, "click", function(e) {
+var t = getHintElement(hints, e.target || e.srcElement);
+if (t && t.hintId != null) {
+widget.changeActive(t.hintId);
+if (completion.options.completeOnSingleClick) widget.pick();
+}
+});
+CodeMirror.on(hints, "mousedown", function() {
+setTimeout(function(){cm.focus();}, 20);
+});
+// The first hint doesn't need to be scrolled to on init
+var selectedHintRange = this.getSelectedHintRange();
+if (selectedHintRange.from !== 0 || selectedHintRange.to !== 0) {
+this.scrollToActive();
+}
+CodeMirror.signal(data, "select", completions[this.selectedHint], hints.childNodes[this.selectedHint]);
+return true;
+}
+Widget.prototype = {
+close: function() {
+if (this.completion.widget != this) return;
+this.completion.widget = null;
+if (this.hints.parentNode) this.hints.parentNode.removeChild(this.hints);
+this.completion.cm.removeKeyMap(this.keyMap);
+var input = this.completion.cm.getInputField()
+input.removeAttribute("aria-activedescendant")
+input.removeAttribute("aria-owns")
+var cm = this.completion.cm;
+if (this.completion.options.closeOnUnfocus) {
+cm.off("blur", this.onBlur);
+cm.off("focus", this.onFocus);
+}
+cm.off("scroll", this.onScroll);
+},
+disable: function() {
+this.completion.cm.removeKeyMap(this.keyMap);
+var widget = this;
+this.keyMap = {Enter: function() { widget.picked = true; }};
+this.completion.cm.addKeyMap(this.keyMap);
+},
+pick: function() {
+this.completion.pick(this.data, this.selectedHint);
+},
+changeActive: function(i, avoidWrap) {
+if (i >= this.data.list.length)
+i = avoidWrap ? this.data.list.length - 1 : 0;
+else if (i < 0)
+i = avoidWrap ? 0  : this.data.list.length - 1;
+if (this.selectedHint == i) return;
+var node = this.hints.childNodes[this.selectedHint];
+if (node) {
+node.className = node.className.replace(" " + ACTIVE_HINT_ELEMENT_CLASS, "");
+node.removeAttribute("aria-selected")
+}
+node = this.hints.childNodes[this.selectedHint = i];
+node.className += " " + ACTIVE_HINT_ELEMENT_CLASS;
+node.setAttribute("aria-selected", "true")
+this.completion.cm.getInputField().setAttribute("aria-activedescendant", node.id)
+this.scrollToActive()
+CodeMirror.signal(this.data, "select", this.data.list[this.selectedHint], node);
+},
+scrollToActive: function() {
+var selectedHintRange = this.getSelectedHintRange();
+var node1 = this.hints.childNodes[selectedHintRange.from];
+var node2 = this.hints.childNodes[selectedHintRange.to];
+var firstNode = this.hints.firstChild;
+if (node1.offsetTop < this.hints.scrollTop)
+this.hints.scrollTop = node1.offsetTop - firstNode.offsetTop;
+else if (node2.offsetTop + node2.offsetHeight > this.hints.scrollTop + this.hints.clientHeight)
+this.hints.scrollTop = node2.offsetTop + node2.offsetHeight - this.hints.clientHeight + firstNode.offsetTop;
+},
+screenAmount: function() {
+return Math.floor(this.hints.clientHeight / this.hints.firstChild.offsetHeight) || 1;
+},
+getSelectedHintRange: function() {
+var margin = this.completion.options.scrollMargin || 0;
+return {
+from: Math.max(0, this.selectedHint - margin),
+to: Math.min(this.data.list.length - 1, this.selectedHint + margin),
+};
+}
+};
+function applicableHelpers(cm, helpers) {
+if (!cm.somethingSelected()) return helpers
+var result = []
+for (var i = 0; i < helpers.length; i++)
+if (helpers[i].supportsSelection) result.push(helpers[i])
+return result
+}
+function fetchHints(hint, cm, options, callback) {
+if (hint.async) {
+hint(cm, callback, options)
+} else {
+var result = hint(cm, options)
+if (result && result.then) result.then(callback)
+else callback(result)
+}
+}
+function resolveAutoHints(cm, pos) {
+var helpers = cm.getHelpers(pos, "hint"), words
+if (helpers.length) {
+var resolved = function(cm, callback, options) {
+var app = applicableHelpers(cm, helpers);
+function run(i) {
+if (i == app.length) return callback(null)
+fetchHints(app[i], cm, options, function(result) {
+if (result && result.list.length > 0) callback(result)
+else run(i + 1)
+})
+}
+run(0)
+}
+resolved.async = true
+resolved.supportsSelection = true
+return resolved
+} else if (words = cm.getHelper(cm.getCursor(), "hintWords")) {
+return function(cm) { return CodeMirror.hint.fromList(cm, {words: words}) }
+} else if (CodeMirror.hint.anyword) {
+return function(cm, options) { return CodeMirror.hint.anyword(cm, options) }
+} else {
+return function() {}
+}
+}
+CodeMirror.registerHelper("hint", "auto", {
+resolve: resolveAutoHints
+});
+CodeMirror.registerHelper("hint", "fromList", function(cm, options) {
+var cur = cm.getCursor(), token = cm.getTokenAt(cur)
+var term, from = CodeMirror.Pos(cur.line, token.start), to = cur
+if (token.start < cur.ch && /\w/.test(token.string.charAt(cur.ch - token.start - 1))) {
+term = token.string.substr(0, cur.ch - token.start)
+} else {
+term = ""
+from = cur
+}
+var found = [];
+for (var i = 0; i < options.words.length; i++) {
+var word = options.words[i];
+if (word.slice(0, term.length) == term)
+found.push(word);
+}
+if (found.length) return {list: found, from: from, to: to};
+});
+CodeMirror.commands.autocomplete = CodeMirror.showHint;
+var defaultOptions = {
+hint: CodeMirror.hint.auto,
+completeSingle: true,
+alignWithWord: true,
+closeCharacters: /[\s()\[\]{};:>,]/,
+closeOnPick: true,
+closeOnUnfocus: true,
+updateOnCursorActivity: true,
+completeOnSingleClick: true,
+container: null,
+customKeys: null,
+extraKeys: null,
+paddingForScrollbar: true,
+moveOnOverlap: true,
+};
+CodeMirror.defineOption("hintOptions", null);
+});