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// 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"));
else if (typeof define == "function" && define.amd) // AMD
define(["../../lib/codemirror"], mod);
else // Plain browser env
mod(CodeMirror);
})(function(CodeMirror) {
"use strict";
var GUTTER_ID = "CodeMirror-lint-markers";
function showTooltip(e, content) {
var tt = document.createElement("div");
tt.className = "CodeMirror-lint-tooltip";
tt.appendChild(content.cloneNode(true));
document.body.appendChild(tt);
function position(e) {
if (!tt.parentNode) return CodeMirror.off(document, "mousemove", position);
tt.style.top = Math.max(0, e.clientY - tt.offsetHeight - 5) + "px";
tt.style.left = (e.clientX + 5) + "px";
}
CodeMirror.on(document, "mousemove", position);
position(e);
if (tt.style.opacity != null) tt.style.opacity = 1;
return tt;
}
function rm(elt) {
if (elt.parentNode) elt.parentNode.removeChild(elt);
}
function hideTooltip(tt) {
if (!tt.parentNode) return;
if (tt.style.opacity == null) rm(tt);
tt.style.opacity = 0;
setTimeout(function() { rm(tt); }, 600);
}
function showTooltipFor(e, content, node) {
var tooltip = showTooltip(e, content);
function hide() {
CodeMirror.off(node, "mouseout", hide);
if (tooltip) { hideTooltip(tooltip); tooltip = null; }
}
var poll = setInterval(function() {
if (tooltip) for (var n = node;; n = n.parentNode) {
if (n && n.nodeType == 11) n = n.host;
if (n == document.body) return;
if (!n) { hide(); break; }
}
if (!tooltip) return clearInterval(poll);
}, 400);
CodeMirror.on(node, "mouseout", hide);
}
function LintState(cm, options, hasGutter) {
this.marked = [];
this.options = options;
this.timeout = null;
this.hasGutter = hasGutter;
this.onMouseOver = function(e) { onMouseOver(cm, e); };
this.waitingFor = 0
}
function parseOptions(_cm, options) {
if (options instanceof Function) return {getAnnotations: options};
if (!options || options === true) options = {};
return options;
}
function clearMarks(cm) {
var state = cm.state.lint;
if (state.hasGutter) cm.clearGutter(GUTTER_ID);
for (var i = 0; i < state.marked.length; ++i)
state.marked[i].clear();
state.marked.length = 0;
}
function makeMarker(labels, severity, multiple, tooltips) {
var marker = document.createElement("div"), inner = marker;
marker.className = "CodeMirror-lint-marker-" + severity;
if (multiple) {
inner = marker.appendChild(document.createElement("div"));
inner.className = "CodeMirror-lint-marker-multiple";
}
if (tooltips != false) CodeMirror.on(inner, "mouseover", function(e) {
showTooltipFor(e, labels, inner);
});
return marker;
}
function getMaxSeverity(a, b) {
if (a == "error") return a;
else return b;
}
function groupByLine(annotations) {
var lines = [];
for (var i = 0; i < annotations.length; ++i) {
var ann = annotations[i], line = ann.from.line;
(lines[line] || (lines[line] = [])).push(ann);
}
return lines;
}
function annotationTooltip(ann) {
var severity = ann.severity;
if (!severity) severity = "error";
var tip = document.createElement("div");
tip.className = "CodeMirror-lint-message-" + severity;
tip.appendChild(document.createTextNode(ann.message));
return tip;
}
function lintAsync(cm, getAnnotations, passOptions) {
var state = cm.state.lint
var id = ++state.waitingFor
function abort() {
id = -1
cm.off("change", abort)
}
cm.on("change", abort)
getAnnotations(cm.getValue(), function(annotations, arg2) {
cm.off("change", abort)
if (state.waitingFor != id) return
if (arg2 && annotations instanceof CodeMirror) annotations = arg2
updateLinting(cm, annotations)
}, passOptions, cm);
}
function startLinting(cm) {
var state = cm.state.lint, options = state.options;
var passOptions = options.options || options; // Support deprecated passing of `options` property in options
var getAnnotations = options.getAnnotations || cm.getHelper(CodeMirror.Pos(0, 0), "lint");
if (!getAnnotations) return;
if (options.async || getAnnotations.async) {
lintAsync(cm, getAnnotations, passOptions)
} else {
updateLinting(cm, getAnnotations(cm.getValue(), passOptions, cm));
}
}
function updateLinting(cm, annotationsNotSorted) {
clearMarks(cm);
var state = cm.state.lint, options = state.options;
var annotations = groupByLine(annotationsNotSorted);
for (var line = 0; line < annotations.length; ++line) {
var anns = annotations[line];
if (!anns) continue;
var maxSeverity = null;
var tipLabel = state.hasGutter && document.createDocumentFragment();
for (var i = 0; i < anns.length; ++i) {
var ann = anns[i];
var severity = ann.severity;
if (!severity) severity = "error";
maxSeverity = getMaxSeverity(maxSeverity, severity);
if (options.formatAnnotation) ann = options.formatAnnotation(ann);
if (state.hasGutter) tipLabel.appendChild(annotationTooltip(ann));
if (ann.to) state.marked.push(cm.markText(ann.from, ann.to, {
className: "CodeMirror-lint-mark-" + severity,
__annotation: ann
}));
}
if (state.hasGutter)
cm.setGutterMarker(line, GUTTER_ID, makeMarker(tipLabel, maxSeverity, anns.length > 1,
state.options.tooltips));
}
if (options.onUpdateLinting) options.onUpdateLinting(annotationsNotSorted, annotations, cm);
}
function onChange(cm) {
var state = cm.state.lint;
if (!state) return;
clearTimeout(state.timeout);
state.timeout = setTimeout(function(){startLinting(cm);}, state.options.delay || 500);
}
function popupSpanTooltip(ann, e) {
var target = e.target || e.srcElement;
showTooltipFor(e, annotationTooltip(ann), target);
}
function onMouseOver(cm, e) {
var target = e.target || e.srcElement;
if (!/\bCodeMirror-lint-mark-/.test(target.className)) return;
var box = target.getBoundingClientRect(), x = (box.left + box.right) / 2, y = (box.top + box.bottom) / 2;
var spans = cm.findMarksAt(cm.coordsChar({left: x, top: y}, "client"));
for (var i = 0; i < spans.length; ++i) {
var ann = spans[i].__annotation;
if (ann) return popupSpanTooltip(ann, e);
}
}
CodeMirror.defineOption("lint", false, function(cm, val, old) {
if (old && old != CodeMirror.Init) {
clearMarks(cm);
if (cm.state.lint.options.lintOnChange !== false)
cm.off("change", onChange);
CodeMirror.off(cm.getWrapperElement(), "mouseover", cm.state.lint.onMouseOver);
clearTimeout(cm.state.lint.timeout);
delete cm.state.lint;
}
if (val) {
var gutters = cm.getOption("gutters"), hasLintGutter = false;
for (var i = 0; i < gutters.length; ++i) if (gutters[i] == GUTTER_ID) hasLintGutter = true;
var state = cm.state.lint = new LintState(cm, parseOptions(cm, val), hasLintGutter);
if (state.options.lintOnChange !== false)
cm.on("change", onChange);
if (state.options.tooltips != false)
CodeMirror.on(cm.getWrapperElement(), "mouseover", state.onMouseOver);
startLinting(cm);
}
});
CodeMirror.defineExtension("performLint", function() {
if (this.state.lint) startLinting(this);
});
});
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