笙默考试管理系统-MyExamTest----codemirror（56）
笙默考试管理系统-MyExamTest----codemirror（56）
目录
一、 笙默考试管理系统-MyExamTest----codemirror
二、 笙默考试管理系统-MyExamTest----codemirror
三、 笙默考试管理系统-MyExamTest----codemirror
四、 笙默考试管理系统-MyExamTest----codemirror
五、 笙默考试管理系统-MyExamTest----codemirror
- 笙默考试管理系统-MyExamTest----codemirror
return chunk.lines[n];
}
History.prototype = {
addChange: function(start, added, old) {
this.undone.length = 0;
var time = +new Date, last = this.done[this.done.length - 1];
if (time - this.time > 400 || !last ||
last.start > start + added || last.start + last.added < start - last.added + last.old.length)
this.done.push({start: start, added: added, old: old});
else {
- 笙默考试管理系统-MyExamTest----codemirror
var oldoff = 0;
if (start < last.start) {
for (var i = last.start - start - 1; i >= 0; --i)
last.old.unshift(old[i]);
last.added += last.start - start;
last.start = start;
}
else if (last.start < start) {
oldoff = start - last.start;
added += oldoff;
}
for (var i = last.added - oldoff, e = old.length; i < e; ++i)
last.old.push(old[i]);
if (last.added < added) last.added = added;
}
- 笙默考试管理系统-MyExamTest----codemirror
this.time = time;
}
};
function stopMethod() {e_stop(this);}
// Ensure an event has a stop method.
function addStop(event) {
if (!event.stop) event.stop = stopMethod;
return event;
}
- 笙默考试管理系统-MyExamTest----codemirror
function e_preventDefault(e) {
if (e.preventDefault) e.preventDefault();
else e.returnValue = false;
}
function e_stopPropagation(e) {
if (e.stopPropagation) e.stopPropagation();
else e.cancelBubble = true;
}
function e_stop(e) {e_preventDefault(e); e_stopPropagation(e);}
CodeMirror.e_stop = e_stop;
CodeMirror.e_preventDefault = e_preventDefault;
CodeMirror.e_stopPropagation = e_stopPropagation;
- 笙默考试管理系统-MyExamTest----codemirror
function e_target(e) {return e.target || e.srcElement;}
function e_button(e) {
if (e.which) return e.which;
else if (e.button & 1) return 1;
else if (e.button & 2) return 3;
else if (e.button & 4) return 2;
}
// Event handler registration. If disconnect is true, it'll return a
// function that unregisters the handler.
function connect(node, type, handler, disconnect) {
if (typeof node.addEventListener == "function") {
node.addEventListener(type, handler, false);
if (disconnect) return function() {node.removeEventListener(type, handler, false);};
}