cryptpad/www/code/codemirror-5.16.0/addon/hint/css-hint.js

61 lines
2.1 KiB
JavaScript

// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: http://codemirror.net/LICENSE
(function(mod) {
if (typeof exports == "object" && typeof module == "object") // CommonJS
mod(require("../../lib/codemirror"), require("../../mode/css/css"));
else if (typeof define == "function" && define.amd) // AMD
define(["../../lib/codemirror", "../../mode/css/css"], mod);
else // Plain browser env
mod(CodeMirror);
})(function(CodeMirror) {
"use strict";
var pseudoClasses = {link: 1, visited: 1, active: 1, hover: 1, focus: 1,
"first-letter": 1, "first-line": 1, "first-child": 1,
before: 1, after: 1, lang: 1};
CodeMirror.registerHelper("hint", "css", function(cm) {
var cur = cm.getCursor(), token = cm.getTokenAt(cur);
var inner = CodeMirror.innerMode(cm.getMode(), token.state);
if (inner.mode.name != "css") return;
if (token.type == "keyword" && "!important".indexOf(token.string) == 0)
return {list: ["!important"], from: CodeMirror.Pos(cur.line, token.start),
to: CodeMirror.Pos(cur.line, token.end)};
var start = token.start, end = cur.ch, word = token.string.slice(0, end - start);
if (/[^\w$_-]/.test(word)) {
word = ""; start = end = cur.ch;
}
var spec = CodeMirror.resolveMode("text/css");
var result = [];
function add(keywords) {
for (var name in keywords)
if (!word || name.lastIndexOf(word, 0) == 0)
result.push(name);
}
var st = inner.state.state;
if (st == "pseudo" || token.type == "variable-3") {
add(pseudoClasses);
} else if (st == "block" || st == "maybeprop") {
add(spec.propertyKeywords);
} else if (st == "prop" || st == "parens" || st == "at" || st == "params") {
add(spec.valueKeywords);
add(spec.colorKeywords);
} else if (st == "media" || st == "media_parens") {
add(spec.mediaTypes);
add(spec.mediaFeatures);
}
if (result.length) return {
list: result,
from: CodeMirror.Pos(cur.line, start),
to: CodeMirror.Pos(cur.line, end)
};
});
});