笙默考试管理系统-MyExamTest----codemirror（43）

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

// Line objects. These hold state related to a line, including

    // highlighting info (the styles array).

    function Line(text, styles) {

        this.styles = styles || [text, null];

        this.text = text;

        this.height = 1;

        this.marked = this.gutterMarker = this.className = this.handlers = null;

        this.stateAfter = this.parent = this.hidden = null;

}

• 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);}

                }

            }

• 笙默考试管理系统-MyExamTest----codemirror

        },    };