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www.dhtmlgoodies.com • View topic - Drag Drop Nodes & Ajax
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Drag Drop Nodes & Ajax

Moderators: Calcifer, slothy

Drag Drop Nodes & Ajax

Postby DM613 (Restore) » Tue Jan 25, 2011 6:32 am

Is there a way to implement xmlhttp and xmlhttprequest with the ul & li id nodes?



Code: Select all
<form id="Form1" runat="server">
<p style="font-size:0.9em; color: #06a;">
<strong>To Select column:</strong> Drag and Drop left-hand colum items into the right-hand column.&nbsp;<br />
<strong>To sort:</strong> Drag
and drop&nbsp; the columns you selected in the right-hand column in the order you desire.<br />
<strong>
To remove columns:</strong> Drag and drop column items into the left-hand column.
<br />
<strong>When finished: </strong>Click the button below.
</p>
<p style="font-size: 0.9em;" >
<span style="color: #ff0000"></span></p>
<div id="dhtmlgoodies_dragDropContainer" style="width: 625px; text-align: center; color: #000000; height: 596px;">

<div id="dhtmlgoodies_listOfItems" style="width: 300px; text-align: center; height: 595px; border: 1px solid #ff9933;background: #e7f1f8;">
<div>
<%-- style="border: 1px solid #ff9933;background: #e7f1f8;"--%>


<center><p>Available Column Criteria</p></center>
<ul id="PossibleCriteria" style="width: 279px; height: 590px; ">

<li id="029">1234</li>

<li id="020">Comments</li>

</ul>

</div>
</div>

<div id="dhtmlgoodies_mainContainer" style="width: 183px; text-align: center; height: 583px; border: 1px solid #ff9933;background: #e7f1f8; margin-left: 10px;">
<div style="width: 298px; height: 539px;">
<center><p>Desired Reporting Columns</p></center>
<ul id="ChosenCritera" style="width: 277px; height: 521px;">
<li id="103">abcd</li>
<li id="097">xyz</li>
</ul>
</div>
</div>
<div style="width: 602px; height: 21px; padding-top: 5px;">
<asp:Button ID="btnCancel" runat="server" Text="Cancel" OnClientClick="javascript:window.close();" />
&nbsp;<asp:Button ID="btnSave" runat="server" Text="Save" Width="64px" />
<input type="hidden" onclick="saveDragDropNodes()" id="Button2" style="font-weight: bold; font-size: 14pt; width: 131px; color: #4b4b4d; height: 31px" /></div>
</div>
<ul id="dragContent" style="color: #ff0000"></ul>
<%--<div id="dragDropIndicator" style="color: #ff0000"></div>--%>
<div id="dragDropIndicator" style="color: #ff0000"><img src="images/insert.gif" alt="insert arrow"/></div>





</form>
<div id="saveContent">
&nbsp;</div>
<div id="sortInputs">
<input type="hidden" name="check_value[]" value="abcd" />
<input type="hidden" name="check_value[]" value="xyz" />
<input type="hidden" name="check_value[]" value="1234" />
<input type="hidden" name="check_value[]" value="Comments" />

</div>

</body>



jscript.js file


Code: Select all
function Done() {
alert("test")
var ParmA = document.Form1.item("HiddenField1").value
var MyArgs = new Array(ParmA);
window.returnValue = MyArgs;
window.close();

}

/* VARIABLES YOU COULD MODIFY */
var boxSizeArray = [21,21,21,21,21]; // Array indicating how many items there is rooom for in the right column ULs

var arrow_offsetX = -5; // Offset X - position of small arrow
var arrow_offsetY = 0; // Offset Y - position of small arrow

var arrow_offsetX_firefox = -6; // Firefox - offset X small arrow
var arrow_offsetY_firefox = -13; // Firefox - offset Y small arrow

var verticalSpaceBetweenListItems = 3; // Pixels space between one <li> and next
// Same value or higher as margin bottom in CSS for #dhtmlgoodies_dragDropContainer ul li,#dragContent li


var indicateDestionationByUseOfArrow = true; // Display arrow to indicate where object will be dropped(false = use rectangle)

var cloneSourceItems = false; // Items picked from main container will be cloned(i.e. "copy" instead of "cut").
var cloneAllowDuplicates = true; // Allow multiple instances of an item inside a small box(example: drag Criteria 1 to team A twice

/* END VARIABLES YOU COULD MODIFY */

var dragDropTopContainer = false;
var dragTimer = -1;
var dragContentObj = false;
var contentToBeDragged = false; // Reference to dragged <li>
var contentToBeDragged_src = false; // Reference to parent of <li> before drag started
var contentToBeDragged_next = false; // Reference to next sibling of <li> to be dragged
var destinationObj = false; // Reference to <UL> or <LI> where element is dropped.
var dragDropIndicator = false; // Reference to small arrow indicating where items will be dropped
var ulPositionArray = new Array();
var mouseoverObj = false; // Reference to highlighted DIV

var MSIE = navigator.userAgent.indexOf('MSIE')>=0?true:false;
var navigatorVersion = navigator.appVersion.replace(/.*?MSIE (\d\.\d).*/g,'$1')/1;


var indicateDestinationBox = false;
function getTopPos(inputObj)
{
var returnValue = inputObj.offsetTop;
while((inputObj = inputObj.offsetParent) != null){
if(inputObj.tagName!='HTML')returnValue += inputObj.offsetTop;
}
return returnValue;
}

function getLeftPos(inputObj)
{
var returnValue = inputObj.offsetLeft;
while((inputObj = inputObj.offsetParent) != null){
if(inputObj.tagName!='HTML')returnValue += inputObj.offsetLeft;
}
return returnValue;
}

function cancelEvent()
{
return false;
}
function initDrag(e) // Mouse button is pressed down on a LI
{
if(document.all)e = event;
var st = Math.max(document.body.scrollTop,document.documentElement.scrollTop);
var sl = Math.max(document.body.scrollLeft,document.documentElement.scrollLeft);

dragTimer = 0;
dragContentObj.style.left = e.clientX + sl + 'px';
dragContentObj.style.top = e.clientY + st + 'px';
contentToBeDragged = this;
contentToBeDragged_src = this.parentNode;
contentToBeDragged_next = false;
if(this.nextSibling){
contentToBeDragged_next = this.nextSibling;
if(!this.tagName && contentToBeDragged_next.nextSibling)contentToBeDragged_next = contentToBeDragged_next.nextSibling;
}
timerDrag();
return false;
}

function timerDrag()
{
if(dragTimer>=0 && dragTimer<10){
dragTimer++;
setTimeout('timerDrag()',10);
return;
}
if(dragTimer==10){

if(cloneSourceItems && contentToBeDragged.parentNode.id=='PossibleCriteria'){
newItem = contentToBeDragged.cloneNode(true);
newItem.onmousedown = contentToBeDragged.onmousedown;
contentToBeDragged = newItem;
}
dragContentObj.style.display='block';
dragContentObj.appendChild(contentToBeDragged);
}
}

function moveDragContent(e)
{
if(dragTimer<10){
if(contentToBeDragged){
if(contentToBeDragged_next){
contentToBeDragged_src.insertBefore(contentToBeDragged,contentToBeDragged_next);
}else{
contentToBeDragged_src.appendChild(contentToBeDragged);
}
}
return;
}
if(document.all)e = event;
var st = Math.max(document.body.scrollTop,document.documentElement.scrollTop);
var sl = Math.max(document.body.scrollLeft,document.documentElement.scrollLeft);


dragContentObj.style.left = e.clientX + sl + 'px';
dragContentObj.style.top = e.clientY + st + 'px';

if(mouseoverObj)mouseoverObj.className='';
destinationObj = false;
dragDropIndicator.style.display='none';
if(indicateDestinationBox)indicateDestinationBox.style.display='none';
var x = e.clientX + sl;
var y = e.clientY + st;
var width = dragContentObj.offsetWidth;
var height = dragContentObj.offsetHeight;

var tmpOffsetX = arrow_offsetX;
var tmpOffsetY = arrow_offsetY;
if(!document.all){
tmpOffsetX = arrow_offsetX_firefox;
tmpOffsetY = arrow_offsetY_firefox;
}

for(var no=0;no<ulPositionArray.length;no++){
var ul_leftPos = ulPositionArray[no]['left'];
var ul_topPos = ulPositionArray[no]['top'];
var ul_height = ulPositionArray[no]['height'];
var ul_width = ulPositionArray[no]['width'];

if((x+width) > ul_leftPos && x<(ul_leftPos + ul_width) && (y+height)> ul_topPos && y<(ul_topPos + ul_height)){
var noExisting = ulPositionArray[no]['obj'].getElementsByTagName('LI').length;
if(indicateDestinationBox && indicateDestinationBox.parentNode==ulPositionArray[no]['obj'])noExisting--;
if(noExisting<boxSizeArray[no-1] || no==0){
dragDropIndicator.style.left = ul_leftPos + tmpOffsetX + 'px';
var subLi = ulPositionArray[no]['obj'].getElementsByTagName('LI');

var clonedItemAllreadyAdded = false;
if(cloneSourceItems && !cloneAllowDuplicates){
for(var liIndex=0;liIndex<subLi.length;liIndex++){
if(contentToBeDragged.id == subLi[liIndex].id)clonedItemAllreadyAdded = true;
}
if(clonedItemAllreadyAdded)continue;
}

for(var liIndex=0;liIndex<subLi.length;liIndex++){
var tmpTop = getTopPos(subLi[liIndex]);
if(!indicateDestionationByUseOfArrow){
if(y<tmpTop){
destinationObj = subLi[liIndex];
indicateDestinationBox.style.display='block';
subLi[liIndex].parentNode.insertBefore(indicateDestinationBox,subLi[liIndex]);
break;
}
}else{
if(y<tmpTop){
destinationObj = subLi[liIndex];
dragDropIndicator.style.top = tmpTop + tmpOffsetY - Math.round(dragDropIndicator.clientHeight/2) + 'px';
dragDropIndicator.style.display='block';
break;
}
}
}

if(!indicateDestionationByUseOfArrow){
if(indicateDestinationBox.style.display=='none'){
indicateDestinationBox.style.display='block';
ulPositionArray[no]['obj'].appendChild(indicateDestinationBox);
}

}else{
if(subLi.length>0 && dragDropIndicator.style.display=='none'){
dragDropIndicator.style.top = getTopPos(subLi[subLi.length-1]) + subLi[subLi.length-1].offsetHeight + tmpOffsetY + 'px';
dragDropIndicator.style.display='block';
}
if(subLi.length==0){
dragDropIndicator.style.top = ul_topPos + arrow_offsetY + 'px'
dragDropIndicator.style.display='block';
}
}

if(!destinationObj)destinationObj = ulPositionArray[no]['obj'];
mouseoverObj = ulPositionArray[no]['obj'].parentNode;
mouseoverObj.className='mouseover';
return;
}
}
}
}

/* End dragging
Put <LI> into a destination or back to where it came from.
*/
function dragDropEnd(e)
{
if(dragTimer==-1)return;
if(dragTimer<10){
dragTimer = -1;
return;
}
dragTimer = -1;
if(document.all)e = event;


if(cloneSourceItems && (!destinationObj || (destinationObj && (destinationObj.id=='PossibleCriteria' || destinationObj.parentNode.id=='PossibleCriteria')))){
contentToBeDragged.parentNode.removeChild(contentToBeDragged);
}else{

if(destinationObj){
if(destinationObj.tagName=='UL'){
destinationObj.appendChild(contentToBeDragged);
}else{
destinationObj.parentNode.insertBefore(contentToBeDragged,destinationObj);
}
mouseoverObj.className='';
destinationObj = false;
dragDropIndicator.style.display='none';
if(indicateDestinationBox){
indicateDestinationBox.style.display='none';
document.body.appendChild(indicateDestinationBox);
}
contentToBeDragged = false;
return;
}
if(contentToBeDragged_next){
contentToBeDragged_src.insertBefore(contentToBeDragged,contentToBeDragged_next);
}else{
contentToBeDragged_src.appendChild(contentToBeDragged);
}
}
contentToBeDragged = false;
dragDropIndicator.style.display='none';
if(indicateDestinationBox){
indicateDestinationBox.style.display='none';
document.body.appendChild(indicateDestinationBox);

}
mouseoverObj = false;

}

/*
Preparing data to be saved
*/
function saveDragDropNodes()
{
var saveString = "";
var uls = dragDropTopContainer.getElementsByTagName('UL');
for(var no=0;no<uls.length;no++){ // LOoping through all <ul>
if (uls[no].id == 'ChosenCritera')
{
var lis = uls[no].getElementsByTagName('LI');
for(var no2=0;no2<lis.length;no2++){
if(saveString.length>0)saveString = saveString + "; ";

saveString = saveString + lis[no2].innerText;
}
}

}

document.getElementById('saveContent').innerHTML = saveString.replace(/;/g,';<br>')


var ParmA = saveString
var MyArgs = new Array(ParmA);
window.returnValue = MyArgs;
window.close();


}

function initDragDropScript()
{

dragContentObj = document.getElementById('dragContent');
dragDropIndicator = document.getElementById('dragDropIndicator');
dragDropTopContainer = document.getElementById('dhtmlgoodies_dragDropContainer');
document.documentElement.onselectstart = cancelEvent;
var listItems = dragDropTopContainer.getElementsByTagName('LI'); // Get array containing all <LI>
var itemHeight = false;
for(var no=0;no<listItems.length;no++){
listItems[no].onmousedown = initDrag;
listItems[no].onselectstart = cancelEvent;
if(!itemHeight)itemHeight = listItems[no].offsetHeight;
if(MSIE && navigatorVersion/1<6){
listItems[no].style.cursor='hand';
}
}

var mainContainer = document.getElementById('dhtmlgoodies_mainContainer');
var uls = mainContainer.getElementsByTagName('UL');
itemHeight = itemHeight + verticalSpaceBetweenListItems;
for(var no=0;no<uls.length;no++){
uls[no].style.height = itemHeight * boxSizeArray[no] + 'px';
//alert(uls[no].style.height);
}

document.getElementById('ChosenCritera').style.height = '563px';
// alert(document.getElementById('ChosenCritera').style.height);
// var main_height= document.getElementById('dhtmlgoodies_mainContainer').style.height;
// alert(main_height);
// var box_height= document.getElementById('dhtmlgoodies_listOfItems').style.height;
// alert(box_height);


var leftContainer = document.getElementById('dhtmlgoodies_listOfItems');
var itemBox = leftContainer.getElementsByTagName('UL')[0];

document.documentElement.onmousemove = moveDragContent; // Mouse move event - moving draggable div
document.documentElement.onmouseup = dragDropEnd; // Mouse move event - moving draggable div

var ulArray = dragDropTopContainer.getElementsByTagName('UL');
for(var no=0;no<ulArray.length;no++){
ulPositionArray[no] = new Array();
ulPositionArray[no]['left'] = getLeftPos(ulArray[no]);
ulPositionArray[no]['top'] = getTopPos(ulArray[no]);
ulPositionArray[no]['width'] = ulArray[no].offsetWidth;
ulPositionArray[no]['height'] = ulArray[no].clientHeight;
ulPositionArray[no]['obj'] = ulArray[no];
}

if(!indicateDestionationByUseOfArrow){
indicateDestinationBox = document.createElement('LI');
indicateDestinationBox.id = 'indicateDestination';
indicateDestinationBox.style.display='none';
document.body.appendChild(indicateDestinationBox);


}

dhtmlgoodies_listOfItems

}

window.onload = initDragDropScript;
function footer_onclick() {

}



Thanks much,



======================
DM613 (Restore)
 
Posts: 0
Joined: Thu Jan 01, 1970 1:00 am

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