node.lib.js

asp的bbs程序

/*
  By Hangring
  #2007.12.24#
  ---
  文档节点
*/

$Defined('oNode');
var oNode = {};

oNode.IsNode = function (el /* :HTMLElement */) {
    if (el && typeof el == 'object' && el.nodeType == 1)
        return true;
    return false;
};

oNode.IsDocumentFragment = function (el /* :HTMLElement */) {
    return el && typeof el == 'object' && el.nodeType == 11;
};

oNode.IsNodeOrDocumentFragment = function (el /* :HTMLElement */) {
    return this.IsNode(el) || this.IsDocumentFragment(el) || false;
};

oNode.IsTextNode = function (el /* :HTMLElement */) {
    if (el && typeof el == 'object' && el.nodeType == 3)
        return true;
    return false;
};

oNode.CreateNode = function (tag /* :String */) {
    return document.createElement(tag);
};

oNode.CreateTextNode = function (str /* :String */) {
    return document.createTextNode(str);
};

oNode.AddNode = function (node /* :HTMLElement */, target /* :HTMLElement */) {
    target = target || document.body;
    if (this.IsNodeOrDocumentFragment(node) || this.IsTextNode(node)) {
        if (node.parentNode && this.IsNode(node.parentNode)) return false;
        target.appendChild(node);
    }
    else {
        //target.innerHTML += node;
        this.AddNode(this.CreateTextNode(node.toString()), target);
    }
    return true;
};

oNode.RemoveNode = function (node /* :HTMLElement */, target /* :HTMLElement */) {
    if (!node || !node.parentNode || (node.parentNode && node.parentNode.nodeType != 1)) return null;
    return node.parentNode.removeChild(node);
};

oNode.InsertBefore = function (node /* :HTMLElement */, target /* :HTMLElement */) {
    target.parentNode.insertBefore(node, target);
};

oNode.CreateIframe = function (name /* :String */) {
    var el;
    try {
        el = this.CreateNode('<iframe name="' + name + '">');
    }
    catch (e) {
        el = this.CreateNode('iframe');
        el.name = name;
    }
    el.id = name;
    return el;
};

oNode.CreateForm = function (name /* :String */, method, enctype) {
    var el;
    try {
        el = this.CreateNode('<form name="' + name + '"' + (enctype ? 'enctype="' + enctype + '"' : '') + (method ? ' method="' + method + '"' : '') + '>');
    }
    catch (e) {
        el = this.CreateNode('form');
        method && (el.method = method);
        enctype && (el.enctype = enctype);
        el.name = name;
    }
    return el;
};

oNode.CreateInput = function (name /* :String */) {
    var el;
    try {
        el = this.CreateNode('<input name="' + name + '">');
    }
    catch (e) {
        el = this.CreateNode('input');
        el.name = name;
    }
    return el;
};