third-party: added codemirror

[unfold.git] / third-party / codemirror-3.15 / demo / widget.html
diff --git a/third-party/codemirror-3.15/demo/widget.html b/third-party/codemirror-3.15/demo/widget.html

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+<!doctype html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <title>CodeMirror: Inline Widget Demo</title>
+    <link rel="stylesheet" href="../lib/codemirror.css">
+    <script src="../lib/codemirror.js"></script>
+    <script src="../mode/javascript/javascript.js"></script>
+    <script src="http://ajax.aspnetcdn.com/ajax/jshint/r07/jshint.js"></script>
+    <link rel="stylesheet" href="../doc/docs.css">
+
+    <style type="text/css">
+      .CodeMirror {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;}
+    </style>
+  </head>
+  <body>
+    <h1>CodeMirror: Inline Widget Demo</h1>
+
+    <div id=code></div>
+    <script id="script">var widgets = []
+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() {
+  var sc = document.getElementById("script");
+  var content = sc.textContent || sc.innerText || sc.innerHTML;
+
+  window.editor = CodeMirror(document.getElementById("code"), {
+    lineNumbers: true,
+    mode: "javascript",
+    value: content
+  });
+
+  var waiting;
+  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";
+</script>
+<p>This demo runs <a href="http://jshint.com">JSHint</a> over the code
+in the editor (which is the script used on this page), and
+inserts <a href="../doc/manual.html#addLineWidget">line widgets</a> to
+display the warnings that JSHint comes up with.</p>
+  </body>
+</html>