You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
123 lines
4.2 KiB
JavaScript
123 lines
4.2 KiB
JavaScript
|
|
function makeDragable(dragHandle, dragTarget) {
|
|
var dragObj = null; //object to be moved
|
|
var xOffset = 0; //used to prevent dragged object jumping to mouse location
|
|
var yOffset = 0;
|
|
|
|
document.querySelector(dragHandle).addEventListener("mousedown", startDrag, true);
|
|
document.querySelector(dragHandle).addEventListener("touchstart", startDrag, true);
|
|
|
|
/*sets offset parameters and starts listening for mouse-move*/
|
|
function startDrag(e) {
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
dragObj = document.querySelector(dragTarget);
|
|
console.log("startDrag", dragObj);
|
|
dragObj.style.position = "absolute";
|
|
let rect = dragObj.getBoundingClientRect();
|
|
|
|
if (e.type=="mousedown") {
|
|
xOffset = e.clientX - rect.left; //clientX and getBoundingClientRect() both use viewable area adjusted when scrolling aka 'viewport'
|
|
yOffset = e.clientY - rect.top;
|
|
window.addEventListener('mousemove', dragObject, true);
|
|
} else if(e.type=="touchstart") {
|
|
xOffset = e.targetTouches[0].clientX - rect.left;
|
|
yOffset = e.targetTouches[0].clientY - rect.top;
|
|
window.addEventListener('touchmove', dragObject, true);
|
|
}
|
|
}
|
|
|
|
/*Drag object*/
|
|
function dragObject(e) {
|
|
console.log("dragObject", dragObj);
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
|
|
if(dragObj == null) {
|
|
return; // if there is no object being dragged then do nothing
|
|
} else if(e.type=="mousemove") {
|
|
dragObj.style.left = e.clientX-xOffset +"px"; // adjust location of dragged object so doesn't jump to mouse position
|
|
dragObj.style.top = e.clientY-yOffset +"px";
|
|
} else if(e.type=="touchmove") {
|
|
dragObj.style.left = e.targetTouches[0].clientX-xOffset +"px"; // adjust location of dragged object so doesn't jump to mouse position
|
|
dragObj.style.top = e.targetTouches[0].clientY-yOffset +"px";
|
|
}
|
|
}
|
|
|
|
/*End dragging*/
|
|
window.onmouseup = function(e) {
|
|
console.log("draggable.mouseup", dragObj);
|
|
if (dragObj) {
|
|
dragObj = null;
|
|
window.removeEventListener('mousemove', dragObject, true);
|
|
window.removeEventListener('touchmove', dragObject, true);
|
|
}
|
|
};
|
|
}
|
|
|
|
makeDragable('#shell_03header', '#shell_03');
|
|
makeDragable('#week_05header', '#week_05');
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
function makeDragable2(dragHandle2, dragTarget2) {
|
|
let dragObj2 = null; //object to be moved
|
|
let xOffset2 = 0; //used to prevent dragged object jumping to mouse location
|
|
let yOffset2 = 0;
|
|
|
|
document.querySelector(dragHandle2).addEventListener("mousedown", startDrag2, true);
|
|
document.querySelector(dragHandle2).addEventListener("touchstart", startDrag2, true);
|
|
|
|
//sets offset parameters and starts listening for mouse-move
|
|
function startDrag2(x) {
|
|
x.preventDefault();
|
|
x.stopPropagation();
|
|
dragObj2 = document.querySelector(dragTarget2);
|
|
dragObj2.style.position = "absolute";
|
|
let rect = dragObj2.getBoundingClientRect();
|
|
|
|
if (x.type=="mousedown") {
|
|
xOffset2 = x.clientX - rect.left; //clientX and getBoundingClientRect() both use viewable area adjusted when scrolling aka 'viewport'
|
|
yOffset2 = x.clientY - rect.top;
|
|
window.addEventListener('mousemove', dragObject2, true);
|
|
} else if(x.type=="touchstart") {
|
|
xOffset2 = x.targetTouches[0].clientX - rect.left;
|
|
yOffset2 = x.targetTouches[0].clientY - rect.top;
|
|
window.addEventListener('touchmove', dragObject2, true);
|
|
}
|
|
}
|
|
|
|
//Drag object
|
|
function dragObject2(x) {
|
|
x.preventDefault();
|
|
x.stopPropagation();
|
|
|
|
if(dragObj2 == null) {
|
|
return; // if there is no object being dragged then do nothing
|
|
} else if(x.type=="mousemove") {
|
|
dragObj2.style.left = x.clientX-xOffset2 +"px"; // adjust location of dragged object so doesn't jump to mouse position
|
|
dragObj2.style.top = x.clientY-yOffset2 +"px";
|
|
} else if(x.type=="touchmove") {
|
|
dragObj2.style.left = x.targetTouches[0].clientX-xOffset2 +"px"; // adjust location of dragged object so doesn't jump to mouse position
|
|
dragObj2.style.top = x.targetTouches[0].clientY-yOffset2 +"px";
|
|
}
|
|
}
|
|
|
|
//End dragging
|
|
window.onmouseup = function(x) {
|
|
if (dragObj2) {
|
|
dragObj2 = null;
|
|
window.removeEventListener('mousemove', dragObject2, true);
|
|
window.removeEventListener('touchmove', dragObject2, true);
|
|
}
|
|
};
|
|
}
|
|
*/
|
|
|
|
|
|
|
|
|