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|
<script type="text/javascript">
/************************************************************************************************************
Textarea maxlength
Copyright (C) November 2005 DTHMLGoodies.com, Alf Magne Kalleland
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Dhtmlgoodies.com., hereby disclaims all copyright interest in this script
written by Alf Magne Kalleland.
Alf Magne Kalleland, 2010
Owner of DHTMLgoodies.com
************************************************************************************************************/
/* VARIABLES YOU COULD MODIFY */
var boxSizeArray = [10,10,10,10,10,10,10,10,10]; // Array indicating how many items there is rooom for in the right column ULs
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 = false; // Allow multiple instances of an item inside a small box(example: drag Student 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 arrow_offsetX = -5; // Offset X - position of small arrow
var arrow_offsetY = 0; // Offset Y - position of small arrow
if(!MSIE || navigatorVersion > 6){
arrow_offsetX = -6; // Firefox - offset X small arrow
arrow_offsetY = -13; // Firefox - offset Y small arrow
}
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=='allItems'){
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;
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=='allItems' || destinationObj.parentNode.id=='allItems')))){
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>
var lis = uls[no].getElementsByTagName('LI');
for(var no2=0;no2<lis.length;no2++){
if(saveString.length>0)saveString = saveString + ";";
saveString = saveString + uls[no].id + '|' + lis[no2].id;
//document.write('=' + saveString)
window.location.href = "yourpage.php?var=" + saveString;
}
}
//document.getElementById('saveContent').innerHTML = '<h1>Ready to save these nodes:</h1> ' + saveString.replace(/;/g,';<br>') + '<p>Format: ID of ul |(pipe) ID of li;(semicolon)</p><p>You can put these values into a hidden form fields, post it to the server and explode the submitted value there</p>';
}
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';
}
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);
}
}
</script> |
