mirror of https://github.com/gogits/gogs.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
72 lines
2.4 KiB
72 lines
2.4 KiB
// 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 WRAP_CLASS = "CodeMirror-activeline"; |
|
var BACK_CLASS = "CodeMirror-activeline-background"; |
|
var GUTT_CLASS = "CodeMirror-activeline-gutter"; |
|
|
|
CodeMirror.defineOption("styleActiveLine", false, function(cm, val, old) { |
|
var prev = old == CodeMirror.Init ? false : old; |
|
if (val == prev) return |
|
if (prev) { |
|
cm.off("beforeSelectionChange", selectionChange); |
|
clearActiveLines(cm); |
|
delete cm.state.activeLines; |
|
} |
|
if (val) { |
|
cm.state.activeLines = []; |
|
updateActiveLines(cm, cm.listSelections()); |
|
cm.on("beforeSelectionChange", selectionChange); |
|
} |
|
}); |
|
|
|
function clearActiveLines(cm) { |
|
for (var i = 0; i < cm.state.activeLines.length; i++) { |
|
cm.removeLineClass(cm.state.activeLines[i], "wrap", WRAP_CLASS); |
|
cm.removeLineClass(cm.state.activeLines[i], "background", BACK_CLASS); |
|
cm.removeLineClass(cm.state.activeLines[i], "gutter", GUTT_CLASS); |
|
} |
|
} |
|
|
|
function sameArray(a, b) { |
|
if (a.length != b.length) return false; |
|
for (var i = 0; i < a.length; i++) |
|
if (a[i] != b[i]) return false; |
|
return true; |
|
} |
|
|
|
function updateActiveLines(cm, ranges) { |
|
var active = []; |
|
for (var i = 0; i < ranges.length; i++) { |
|
var range = ranges[i]; |
|
var option = cm.getOption("styleActiveLine"); |
|
if (typeof option == "object" && option.nonEmpty ? range.anchor.line != range.head.line : !range.empty()) |
|
continue |
|
var line = cm.getLineHandleVisualStart(range.head.line); |
|
if (active[active.length - 1] != line) active.push(line); |
|
} |
|
if (sameArray(cm.state.activeLines, active)) return; |
|
cm.operation(function() { |
|
clearActiveLines(cm); |
|
for (var i = 0; i < active.length; i++) { |
|
cm.addLineClass(active[i], "wrap", WRAP_CLASS); |
|
cm.addLineClass(active[i], "background", BACK_CLASS); |
|
cm.addLineClass(active[i], "gutter", GUTT_CLASS); |
|
} |
|
cm.state.activeLines = active; |
|
}); |
|
} |
|
|
|
function selectionChange(cm, sel) { |
|
updateActiveLines(cm, sel.ranges); |
|
} |
|
});
|
|
|