utils.js

尚洋仓库管理系统,对仓库

  if (!el) {
    return null;
  }
	el = el.firstChild;
  if (!el) {
    return null;
  }
	if (!tag) {
		return el;
	}
	tag = tag.toLowerCase();
	if (el.nodeType == 1) {
		if (el.tagName.toLowerCase() == tag) {
			return el;
		} else if (alternateTag) {
			alternateTag = alternateTag.toLowerCase();
			if (el.tagName.toLowerCase() == alternateTag) {
				return el;
			}
		}
	}
	return Zapatec.Utils.getNextSibling(el, tag, alternateTag);
};

/**
 * Function that concatenates and returns all text child nodes of the
 * specified node.
 *
 * @param objNode [Node] -- reference to the node.
 * @return [string] -- concatenated text child nodes
 */
Zapatec.Utils.getChildText = function(objNode) {
	if (objNode == null) {
		return '';
	}
	var arrText = [];
	var objChild = objNode.firstChild;
	while (objChild != null) {
		if (objChild.nodeType == 3) { // Node.TEXT_NODE
			arrText.push(objChild.data);
		}
		objChild = objChild.nextSibling;
	}
	return arrText.join(' ');
};

/**
 * Similar to the DOM's built in insertBefore.
 * Insert a node after an existing node.
 *
 * @param el [oldNode] The existing element
 * @param el [newNode] the new element to insert after the old one.
 *
 */
Zapatec.Utils.insertAfter = function(oldNode, newNode) {
	if(oldNode.nextSibling) {
		oldNode.parentNode.insertBefore(newNode, oldNode.nextSibling);
	} else {
		oldNode.parentNode.appendChild(newNode);
	}
}

Zapatec.Utils._ids = {};	/**< [number, static] maintains a list of generated IDs */

/**
 * Generates an unique ID, for a certain code (let's say "class").  If the
 * optional "id" argument is passed, then it just returns the id for that code
 * (no generation).  This function is sometimes useful when we need to create
 * elements and be able to access them later by ID.
 *
 * @param code [string] the class of ids.  User defined, can be anything.
 * @param id [string, optional] specify if the ID is already known.
 *
 * @return [string] the unique ID
 */
Zapatec.Utils.generateID = function(code, id) {
	if (typeof id == "undefined") {
		if (typeof this._ids[code] == "undefined")
			this._ids[code] = 0;
		id = ++this._ids[code];
	}
	return "zapatec-" + code + "-" + id;
};

/**
*  Add a tooltip to the specified element.
*
*  Function that adds a custom tooltip for an element.  The "target" is the
*  element to where the tooltip should be added to, and the "tooltip" is a DIV
*  that contains the tooltip text.  Optionally, the tooltip DIV can have the
*  "title" attribute set; if so, its value will be displayed highlighted as
*  the title of the tooltip.
*
*  @param target  reference to or ID of the target element
*  @param tooltip reference to or ID of the tooltip content element
*/

Zapatec.Utils.addTooltip = function(target, tooltip) {
return new Zapatec.Tooltip(target, tooltip);
};

Zapatec.isLite=true;

Zapatec.Utils.checkActivation = function() {
	if (!Zapatec.isLite)	return true;

	var arrProducts=[]

	add_product=function(script, webdir_in, name_in)
	{
	arrProducts[script]={webdir:webdir_in, name:name_in, bActive:false}
	}

	add_product('calendar.js', 'prod1',   'Calendar')
	add_product('menu.js',     'prod2',   'Menu')
	add_product('tree.js',     'prod3',   'Tree')
	add_product('form.js',     'forms',   'Forms')
	add_product('effects.js',  'effects', 'Effects')
	add_product('hoverer.js',  'effects', 'Effects - Hoverer')
	add_product('slideshow.js','effects', 'Effects - Slidshow')
	add_product('zpgrid.js',   'grid',    'Grid')
	add_product('slider.js',   'slider',  'Slider')
	add_product('zptabs.js',   'tabs',    'Tabs')
	add_product('zptime.js',   'time',    'Time')
	add_product('window.js',   'windows', 'Window')


	var strName, arrName, i
	var bProduct=false // Flag yes if we have a zapatec script
	var scripts = document.getElementsByTagName('script');
	for (i=0; i<scripts.length; i++)
	{
		// If wizard then do NOT do link back check, which makes wizard err out
		if (/wizard.js/i.test(scripts[i].src))
			return true

		arrName=scripts[i].src.split('/')
		if (arrName.length==0)
			strName=scripts[i]
		else
			strName=arrName[arrName.length-1]
		strName=strName.toLowerCase()
		// Get each active product
		if (typeof arrProducts[strName] != 'undefined')
			{
			bProduct=true
			arrProducts[strName].bActive=true
			}
	}

	// Is a LITE product even being used?
	if (!bProduct) return true;


	var anchors = document.getElementsByTagName('A');
	for(i = 0; i < anchors.length; i++)
		if (/(dev|www)\.zapatec\.com/i.test(anchors[i].href))
			return true;

	var strMsg='You are using the Free version of the Zapatec Software.\n'+
	'While using the Free version, a link to www.zapatec.com in this page is required.'

	for (i in arrProducts)
		// Get each active product
		if (arrProducts[i].bActive==true)
			strMsg+='\nTo purchase the Zapatec ' + arrProducts[i].name + ' visit www.zapatec.com/website/main/products/' + arrProducts[i].webdir + '/'

	alert(strMsg)

	return false;
}

// Browser sniffing

/// detect Opera browser
Zapatec.is_opera = /opera/i.test(navigator.userAgent);

/// detect a special case of "web browser"
Zapatec.is_ie = ( /msie/i.test(navigator.userAgent) && !Zapatec.is_opera );

/// detect IE5.0/Win
Zapatec.is_ie5 = ( Zapatec.is_ie && /msie 5\.0/i.test(navigator.userAgent) );

/// detect IE for Macintosh
Zapatec.is_mac_ie = ( /msie.*mac/i.test(navigator.userAgent) && !Zapatec.is_opera );

/// detect KHTML-based browsers
Zapatec.is_khtml = /Konqueror|Safari|KHTML/i.test(navigator.userAgent);

/// detect Konqueror
Zapatec.is_konqueror = /Konqueror/i.test(navigator.userAgent);

/// detect Gecko
Zapatec.is_gecko = /Gecko/i.test(navigator.userAgent);

/**
 * Simulation of Function call() method that is missing in IE 5.0.
 */
if (!Function.prototype.call) {
	Function.prototype.call = function () {
		var self = arguments[0];
		self._this_func = this;
		var args = new Array();
		for (var i=1; i < arguments.length; i++) {
			args[args.length] = 'arguments[' + i + ']';
		}
		var ret = eval('self._this_func(' + args.join(',') + ')');
		self._this_func = null;
		return ret;
	};
}

/**
 * Simulation of Array pop() method that is missing in IE 5.0.
 */
if (!Array.prototype.pop) {
	Array.prototype.pop = function() {
		var last;
		if (this.length) {
			last = this[this.length - 1];
			this.length -= 1;
		}
		return last;
	};
}

/**
 * Simulation of Array push() method that is missing in IE 5.0
 */
if (!Array.prototype.push) {
	Array.prototype.push = function() {
		for (var i = 0; i < arguments.length; i++) {
			this[this.length] = arguments[i];
		}
		return this.length;
	};
}

/**
 * Simulation of Array shift() method that is missing in IE 5.0.
 */
if (!Array.prototype.shift) {
	Array.prototype.shift = function() {
		var first;
		if (this.length) {
			first = this[0];
			for (var i = 0; i < this.length - 1; i++) {
				this[i] = this[i + 1];
			}
			this.length -= 1;
		}
		return first;
	};
}

/**
 * Simulation of Array unshift() method that is missing in IE 5.0.
 */
if (!Array.prototype.unshift) {
	Array.prototype.unshift = function() {
		if (arguments.length) {
			var i, len = arguments.length;
			for (i = this.length + len - 1; i >= len; i--) {
				this[i] = this[i - len];
			}
			for (i = 0; i < len; i++) {
				this[i] = arguments[i];
			}
		}
		return this.length;
	};
}

/**
 * Simulation of Array splice() method that is missing in IE 5.0.
 */
if (!Array.prototype.splice) {
	Array.prototype.splice = function(index, howMany) {
		var elements = [], removed = [], i;
		for (i = 2; i < arguments.length; i++) {
			elements.push(arguments[i]);
		}
		for (i = index; (i < index + howMany) && (i < this.length); i++) {
			removed.push(this[i]);
		}
		for (i = index + howMany; i < this.length; i++) {
			this[i - howMany] = this[i];
		}
		this.length -= removed.length;
		for (i = this.length + elements.length - 1; i >= index + elements.length;
		 i--) {
			this[i] = this[i - elements.length];
		}
		for (i = 0; i < elements.length; i++) {
			this[index + i] = elements[i];
		}
		return removed;
	};
}

/**
 * Displays error message. Override this if needed.
 *
 * \param objArgs [number] error object:
 * {
 *   severity: [string, optional] error severity,
 *   description: [string] human readable error description
 * }
 */
Zapatec.Log = function(objArgs) {
  // Check arguments
  if (!objArgs) {
    return;
  }
  // Form error message
  var strMessage = objArgs.description;
  if (objArgs.severity) {
    strMessage = objArgs.severity + ':\n' + strMessage;
  }
  // Display error message
  alert(strMessage);
};

/// Zapatec.Utils.Array object which contains additional for arrays method
Zapatec.Utils.Array = {};

/**
 * Inserts the element into array. 
 * It influences the order in which the elements will be iterated in the for...in cycle.
 *
 * @param arr [array] array to work with.
 * @param el [mixed] element to insert.
 * @param key [string] element to insert.
 * @param nextKey [string] element to be inserted before.
 * @return [string] new Array.
 */
Zapatec.Utils.Array.insertBefore = function (arr, el, key, nextKey) {
	var tmp = new Array();
	for(var i in arr) {
		if (i == nextKey) {
			if (key) {
				tmp[key] = el;
			} else {
				tmp.push(el);
			}
		}
		tmp[i] = arr[i];
	}
	return tmp;
}