Rangy(JS/jQuery)拆分节点

Question

如何在某个位置(选择)拆分节点/元素.

示例我有这个标记:

<p>This is <a href="">a te|st</a>, you like?</p>

(此管道代表位置/选择)

我想将其转换为:

<p>This is <a href="">a te</a></p>|<p><a href="">st</a>, you like?</p>

保持选择.

有任何想法吗？

我使用Rangy库和jQuery,但如果适用的话可以使用原始JS.

Answer 1

您可以通过创建从插入符延伸到段落后面的点并使用其extractContents()方法的范围来完成此操作.

现场演示:http://jsfiddle.net/timdown/rr9qs/2/

码:

var sel = rangy.getSelection();
if (sel.rangeCount > 0) {
    // Create a copy of the selection range to work with
    var range = sel.getRangeAt(0).cloneRange();

    // Get the containing paragraph
    var p = range.commonAncestorContainer;
    while (p && (p.nodeType != 1 || p.tagName != "P") ) {
        p = p.parentNode;
    }

    if (p) {
        // Place the end of the range after the paragraph
        range.setEndAfter(p);

        // Extract the contents of the paragraph after the caret into a fragment
        var contentAfterRangeStart = range.extractContents();

        // Collapse the range immediately after the paragraph
        range.collapseAfter(p);

        // Insert the content
        range.insertNode(contentAfterRangeStart);

        // Move the caret to the insertion point
        range.collapseAfter(p);
        sel.setSingleRange(range);
    }
}