Temat: Pomoc z JS

/*
 *
 * Script by http://www.yvoschaap.com
 * 
 */

/* request channel */
function xhr() {};
xhr.prototype.init = function() {
	try {
		this._xh = new XMLHttpRequest();
	} catch (e) {
		var _ie = new Array(
		'MSXML2.XMLHTTP.5.0',
		'MSXML2.XMLHTTP.4.0',
		'MSXML2.XMLHTTP.3.0',
		'MSXML2.XMLHTTP',
		'Microsoft.XMLHTTP'
		);
		var success = false;
		for (var i=0;i < _ie.length && !success; i++) {
			try {
				this._xh = new ActiveXObject(_ie[i]);
				success = true;
			} catch (e) {
				
			}
		}
		if ( !success ) {
			return false;
		}
		return true;
	}
}

xhr.prototype.wait = function() {
	state = this._xh.readyState;
	return (state && (state < 4));
}

xhr.prototype.process = function() {
	if (this._xh.readyState == 4 && this._xh.status == 200) {
		this.processed = true;
	}
}

xhr.prototype.send = function(urlget,data) {
	if (!this._xh) {
		this.init();
	}
	if (!this.wait()) {
		this._xh.open("GET",urlget,false);
		this._xh.send(data);
		if (this._xh.readyState == 4 && this._xh.status == 200) {
			return this._xh.responseText;
		}
	}
	return false;
}

var urlBase = "edit";
var formVars = "";
var changing = false;


function fieldEnter(campo,evt,idfld) {
	evt = (evt) ? evt : window.event;
	if (evt.keyCode == 13 && campo.value!="") {
		elem = document.getElementById( idfld );
		remote = new xhr;
		nt = remote.send(urlBase + "/" +encodeURIComponent(elem.id)+ "/"+encodeURIComponent(campo.value)+"/"+formVars,"");
		//remove glow
		noLight(elem);
		elem.innerHTML = nt;
		changing = false;
		return false;
	} else {
		return true;
	}


}

function fieldBlur(campo,idfld) {
	if (campo.value!="") {
		elem = document.getElementById( idfld );
		remote = new xhr;
		nt = remote.send(urlBase + "/" +encodeURIComponent(elem.id)+ "/"+encodeURIComponent(campo.value)+"/"+formVars,"");
		elem.innerHTML = nt;
		changing = false;
		return false;
	}
}

//edit field created
function editBox(actual) {
	//alert(actual.nodeName+' '+changing);
	if(!changing){
		width = widthEl(actual.id) + 20;
		height =heightEl(actual.id) + 2;

		if(height < 40){
			if(width < 100)	width = 150;
			actual.innerHTML = "<input id=\""+ actual.id +"_field\"  maxlength=\"254\" type=\"text\" value=\"" + actual.innerHTML + "\" onkeypress=\"return fieldEnter(this,event,'" + actual.id + "')\" onfocus=\"highLight(this);\" onblur=\"noLight(this); return fieldBlur(this,'" + actual.id + "');\" />";
		}else{
			if(width < 70) width = 90;
			if(height < 50) height = 50;
			actual.innerHTML = "<textarea name=\"textarea\" id=\""+ actual.id +"_field\"  onfocus=\"highLight(this);\" onblur=\"noLight(this); return fieldBlur(this,'" + actual.id + "');\">" + actual.innerHTML + "</textarea>";
		}
		changing = true;
	}

		actual.firstChild.focus();
}



//find all span tags with class editText and id as fieldname parsed to update script. add onclick function
function editbox_init(){
	if (!document.getElementsByTagName){ return; }
	var spans = document.getElementsByTagName("span");

	// loop through all span tags
	for (var i=0; i<spans.length; i++){
		var spn = spans[i];

        	if (((' '+spn.className+' ').indexOf("editText") != -1) && (spn.id)) {
			spn.onclick = function () { editBox(this); }
			spn.style.cursor = "pointer";
			spn.title = "Click to edit!";	
       		}

	}


}

//crossbrowser load function
function addEvent(elm, evType, fn, useCapture)
{
	if (elm.addEventListener){
		elm.addEventListener(evType, fn, useCapture);
		return true;
	} else if (elm.attachEvent){
		var r = elm.attachEvent("on"+evType, fn);
		return r;
	} else {
		//alert("Please upgrade your browser to use full functionality on this page");
	}
}

//get width of text element
function widthEl(span){
	if(document.layers){
		w=document.layers[span].clip.width;
	} else if (document.all && !document.getElementById){
		w=document.all[span].offsetWidth;
	} else if(document.getElementById){
		w=document.getElementById(span).offsetWidth;
	}
	return w;
}

//get height of text element
function heightEl(span){

	if(document.layers){
		h=document.layers[span].clip.height;
	} else if (document.all && !document.getElementById){
		h=document.all[span].offsetHeight;
	} else if(document.getElementById){
		h=document.getElementById(span).offsetHeight;
	}
	return h;
}

function highLight(span){
	//span.parentNode.style.border = "2px solid #D1FDCD";
	//span.parentNode.style.padding = "0";
	span.style.border = "1px solid #54CE43";          
}

function noLight(span){
	//span.parentNode.style.border = "0px";
	//span.parentNode.style.padding = "2px";
	span.style.border = "0px";   
}

//sets post/get vars for update
function setVarsForm(vars){
	formVars  = vars;
}

addEvent(window, "load", editbox_init);

<span id="namename" class="editText">Tekst</span>

      public function edit($type, $value)
    {
        if(is_numeric($type))
        {
            if($this->admin->update_stocks('ID', array('stock' => $value), $type) == TRUE)
                return true;
            else
                return false;


        }
        else
        {
            if($this->admin->update_stocks('WORLD_NAME', array('character_name' => $value), $type) == TRUE)
                return true;
            else
                return false;


        }
    }