笙默考试管理系统-MyExamTest----codemirror（44）
目录
笙默考试管理系统-MyExamTest----codemirror（44）
[一、 笙默考试管理系统-MyExamTest----codemirror](#一、 笙默考试管理系统-MyExamTest----codemirror)
[二、 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](#三、 笙默考试管理系统-MyExamTest----codemirror)
[四、 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](#五、 笙默考试管理系统-MyExamTest----codemirror)
- 笙默考试管理系统-MyExamTest----codemirror
}
Line.inheritMarks = function(text, orig) {
var ln = new Line(text), mk = orig && orig.marked;
if (mk) {
for (var i = 0; i < mk.length; ++i) {
if (mk[i].to == null && mk[i].style) {
var newmk = ln.marked || (ln.marked = []), mark = mk[i];
var nmark = mark.dup(); newmk.push(nmark); nmark.attach(ln);
}
}
}
return ln;
}
- 笙默考试管理系统-MyExamTest----codemirror
Line.prototype = {
// Replace a piece of a line, keeping the styles around it intact.
replace: function(from, to_, text) {
var st = [], mk = this.marked, to = to_ == null ? this.text.length : to_;
copyStyles(0, from, this.styles, st);
if (text) st.push(text, null);
copyStyles(to, this.text.length, this.styles, st);
this.styles = st;
this.text = this.text.slice(0, from) + text + this.text.slice(to);
this.stateAfter = null;
if (mk) {
- 笙默考试管理系统-MyExamTest----codemirror
var diff = text.length - (to - from);
for (var i = 0, mark = mk[i]; i < mk.length; ++i) {
mark.clipTo(from == null, from || 0, to_ == null, to, diff);
if (mark.isDead()) {mark.detach(this); mk.splice(i--, 1);}
}
}
},
// Split a part off a line, keeping styles and markers intact.
split: function(pos, textBefore) {
var st = [textBefore, null], mk = this.marked;
copyStyles(pos, this.text.length, this.styles, st);
var taken = new Line(textBefore + this.text.slice(pos), st);
if (mk) {
- 笙默考试管理系统-MyExamTest----codemirror
for (var i = 0; i < mk.length; ++i) {
var mark = mk[i];
var newmark = mark.split(pos, textBefore.length);
if (newmark) {
if (!taken.marked) taken.marked = [];
taken.marked.push(newmark); newmark.attach(taken);
}
}
}
return taken;
},
- 笙默考试管理系统-MyExamTest----codemirror
append: function(line) {
var mylen = this.text.length, mk = line.marked, mymk = this.marked;
this.text += line.text;
copyStyles(0, line.text.length, line.styles, this.styles);
if (mymk) {
for (var i = 0; i < mymk.length; ++i)
if (mymk[i].to == null) mymk[i].to = mylen;