Codemirror 内联显示 CSSLint 错误 (.addLineWidget）
Codemirror show CSSLint errors inline (.addLineWidget)
我一直在使用这些参考：
http://codemirror.net/demo/lint.html
http://codemirror.net/demo/widget.htmlhttp://codemirror.net/doc/manual.html#addLineWidget
我一直试图让CSSLint使用.addLineWidget显示内联而不是JSHint。Codemirror提供了我在这里尝试使用JSHint做什么的演示，但是我很难从JSHint过渡到CSSLint。
var widgets = [];
var waiting;
function updateHints() {
editor.operation(function(){
for (var i = 0; i < widgets.length; ++i)
editor.removeLineWidget(widgets[i]);
widgets.length = 0;
JSHINT(editor.getValue());
for (var i = 0; i < JSHINT.errors.length; ++i) {
var err = JSHINT.errors[i];
if (!err) continue;
var msg = document.createElement("div");
var icon = msg.appendChild(document.createElement("span"));
icon.innerHTML = "!!";
icon.className = "lint-error-icon";
msg.appendChild(document.createTextNode(err.reason));
msg.className = "lint-error";
widgets.push(editor.addLineWidget(err.line - 1, msg, {coverGutter: false, noHScroll: true}));
}
});
var info = editor.getScrollInfo();
var after = editor.charCoords({line: editor.getCursor().line + 1, ch: 0}, "local").top;
if (info.top + info.clientHeight < after)
editor.scrollTo(null, after - info.clientHeight + 3);
}
window.onload = function() {
window.editor = CodeMirror(document.getElementById("code"), {
lineNumbers: true,
mode: "css",
gutters: ["CodeMirror-lint-markers"],
lint: true,
value: '@charset "UTF-8";'n'n@import url("booya.css") print, screen;'n@import "whatup.css" screen;'n@import "wicked.css";'n'n/*Error*/'n@charset "UTF-8";'n'n'n@namespace "http://www.w3.org/1999/xhtml";'n@namespace svg "http://www.w3.org/2000/svg";'n'n/*Warning: empty ruleset */'n.foo {'n}'n'nh1 {'n font-weight: bold;'n}'n'n/*Warning: qualified heading */'n.foo h1 {'n font-weight: bold;'n}'n'n/*Warning: adjoining classes */'n.foo.bar {'n zoom: 1;'n}'n'nli.inline {'n width: 100%; /*Warning: 100% can be problematic*/'n}'n'nli.last {'n display: inline;'n padding-left: 3px !important;'n padding-right: 3px;'n border-right: 0px;'n}'n'n@media print {'n li.inline {'n color: black;'n }'n}'n'n@page {'n margin: 10%;'n counter-increment: page;'n'n @top-center {'n font-family: sans-serif;'n font-weight: bold;'n font-size: 2em;'n content: counter(page);'n }'n}'
});
editor.on("change", function() {
clearTimeout(waiting);
waiting = setTimeout(updateHints, 500);
});
setTimeout(updateHints, 100);
};
"long line to create a horizontal scrollbar, in order to test whether the (non-inline) widgets stay in place when scrolling to the right";.CodeMirror {
float: left;
width: 50%;
border: 1px solid black;
}
.lint-error {
font-family: arial;
font-size: 70%;
background: #ffa;
color: #a00;
padding: 2px 5px 3px;
}
.lint-error-icon {
color: white;
background-color: red;
font-weight: bold;
border-radius: 50%;
padding: 0 3px;
margin-right: 7px;
}<!DOCTYPE html>
<html>
<head>
<title>Codemirror: Inline CSS Errors</title>
<meta charset='utf-8'>
<meta name='viewport' content='initial-scale=1.0'>
<meta http-equiv='X-UA-Compatible' content='IE=9' />
<link type='text/css' rel='stylesheet' href='http://necolas.github.io/normalize.css/3.0.1/normalize.css'/>
<script type='text/javascript' src='http://code.jquery.com/jquery-latest.min.js'></script>
<script src='http://codemirror.net/lib/codemirror.js'></script>
<link rel='stylesheet' href='http://codemirror.net/lib/codemirror.css'>
<link rel='stylesheet' href='http://codemirror.net/addon/fold/foldgutter.css' />
<script src='http://codemirror.net/javascripts/code-completion.js'></script>
<script src='http://codemirror.net/javascripts/css-completion.js'></script>
<script src='http://codemirror.net/mode/javascript/javascript.js'></script>
<script src='http://codemirror.net/mode/xml/xml.js'></script>
<script src='http://codemirror.net/mode/css/css.js'></script>
<script src='http://codemirror.net/mode/htmlmixed/htmlmixed.js'></script>
<script src='http://codemirror.net/addon/edit/closetag.js'></script>
<script src='http://codemirror.net/addon/edit/matchbrackets.js'></script>
<script src='http://codemirror.net/addon/selection/active-line.js'></script>
<script src='http://codemirror.net/keymap/extra.js'></script>
<script src='http://codemirror.net/addon/fold/foldcode.js'></script>
<script src='http://codemirror.net/addon/fold/foldgutter.js'></script>
<script src='http://codemirror.net/addon/fold/brace-fold.js'></script>
<script src='http://codemirror.net/addon/fold/xml-fold.js'></script>
<script src='http://codemirror.net/addon/fold/comment-fold.js'></script>
<link rel="stylesheet" href="http://codemirror.net/addon/lint/lint.css">
<script src="http://codemirror.net/mode/javascript/javascript.js"></script>
<script src="http://codemirror.net/mode/css/css.js"></script>
<script src="http://ajax.aspnetcdn.com/ajax/jshint/r07/jshint.js"></script>
<script src="https://rawgithub.com/zaach/jsonlint/79b553fb65c192add9066da64043458981b3972b/lib/jsonlint.js"></script>
<script src="https://rawgithub.com/stubbornella/csslint/master/release/csslint.js"></script>
<script src="http://codemirror.net/addon/lint/lint.js"></script>
<script src="http://codemirror.net/addon/lint/javascript-lint.js"></script>
<script src="http://codemirror.net/addon/lint/css-lint.js"></script>
</head>
<body>
<div id="code"></div>
</body>
</html>这是相同的小提琴：http://jsbin.com/miwatidica/1/edit?js,output
在代码下面测试。
关键字是 JSHINT -> CSSLint.verify
var widgets = [];
var waiting;
function updateHints() {
editor.operation(function(){
for (var i = 0; i < widgets.length; ++i){
editor.removeLineWidget(widgets[i]);
}
widgets.length = 0;
//***** HERE *****
var result= CSSLint.verify(editor.getValue());
//***** HERE *****
for (var i = 0; i < result.messages.length; ++i) {
//***** HERE *****
var err = result.messages[i];
if (!err) continue;
var msg = document.createElement("div");
var icon = msg.appendChild(document.createElement("span"));
icon.innerHTML = "!!";
icon.className = "lint-error-icon";
//***** HERE *****
msg.appendChild(document.createTextNode(err.message));
msg.className = "lint-error";
widgets.push(editor.addLineWidget(err.line - 1, msg,coverGutter: false, noHScroll: true}));
}//end of for i
});// end of editor.operation
var info = editor.getScrollInfo();
var after = editor.charCoords({line: editor.getCursor().line + 1, ch: 0}, "local").top;
if (info.top + info.clientHeight < after){
editor.scrollTo(null, after - info.clientHeight + 3);
}
}// end of updateHints
window.onload = function() {
window.editor = CodeMirror(document.getElementById("code"), {
lineNumbers: true,
mode: "css",
gutters: ["CodeMirror-lint-markers"],
//***** HERE *****
//lint: true,
value: '@charset "UTF-8";'n'n@import url("booya.css") print, screen;'n@import "whatup.css" screen;'n@import "wicked.css";'n'n/*Error*/'n@charset "UTF-8";'n'n'n@namespace "http://www.w3.org/1999/xhtml";'n@namespace svg "http://www.w3.org/2000/svg";'n'n/*Warning: empty ruleset */'n.foo {'n}'n'nh1 {'n font-weight: bold;'n}'n'n/*Warning: qualified heading */'n.foo h1 {'n font-weight: bold;'n}'n'n/*Warning: adjoining classes */'n.foo.bar {'n zoom: 1;'n}'n'nli.inline {'n width: 100%; /*Warning: 100% can be problematic*/'n}'n'nli.last {'n display: inline;'n padding-left: 3px !important;'n padding-right: 3px;'n border-right: 0px;'n}'n'n@media print {'n li.inline {'n color: black;'n }'n}'n'n@page {'n margin: 10%;'n counter-increment: page;'n'n @top-center {'n font-family: sans-serif;'n font-weight: bold;'n font-size: 2em;'n content: counter(page);'n }'n}'
});
editor.on("change", function() {
clearTimeout(waiting);
waiting = setTimeout(updateHints, 500);
});
setTimeout(updateHints, 100);
};
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