This commit is contained in:
Peter Williams 2020-03-29 22:19:43 -04:00
Родитель 1107268662
Коммит c9aff057af
1 изменённых файлов: 210 добавлений и 194 удалений

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@ -1,207 +1,223 @@
wwt.Move = function (createArgs) {
//#region initialization
var el,
grid,
bounds,
actualBounds = { left: null, top: null },
onmove,
onstart,
oncomplete,
moveObj = {}, // var placeholder for instance of move function
isMoving,
target,
pointerId;
//#region initialization
var el,
grid,
bounds,
actualBounds = { left: null, top: null },
onmove,
onstart,
oncomplete,
moveObj = {}, // var placeholder for instance of move function
isMoving,
target,
pointerId;
function init(args) {
bounds = args.bounds || null; /*{ // boundaries from start of move
x: [null, null], // min. max
y: [null, null] // min, max
};*/
grid = args.grid || 1;
el = args.el;
target = args.target || el;
onstart = args.onstart;
onmove = args.onmove;
oncomplete = args.oncomplete;
setBounds();
function init(args) {
bounds = args.bounds || null; /*{ // boundaries from start of move
x: [null, null], // min. max
y: [null, null] // min, max
};*/
grid = args.grid || 1;
el = args.el;
target = args.target || el;
onstart = args.onstart;
onmove = args.onmove;
oncomplete = args.oncomplete;
setBounds();
// IE (sigh)
if (window.PointerEvent || window.MSPointerEvent) {
// IE (sigh)
if (window.PointerEvent || window.MSPointerEvent) {
target.css('touch-action', 'none');
target.css('touch-action', 'none');
var pointerDownName = window.PointerEvent ? 'pointerdown' : 'MSPointerDown';
var pointerUpName = window.PointerEvent ? 'pointerup' : 'MSPointerUp';
var pointerMoveName = window.PointerEvent ? 'pointermove' : 'MSPointerMove';
document.body.addEventListener(pointerDownName, function (event) {
if (target.hasClass('disabled')) {
return;
}
if ((event.target !== target[0] && !$(target).has(event.target).length) || isMoving) {
return;
}
else if (event.target.className.indexOf('close') > -1){
var pointerDownName = window.PointerEvent ? 'pointerdown' : 'MSPointerDown';
var pointerUpName = window.PointerEvent ? 'pointerup' : 'MSPointerUp';
var pointerMoveName = window.PointerEvent ? 'pointermove' : 'MSPointerMove';
document.body.addEventListener(pointerDownName, function (event) {
if (target.hasClass('disabled')) {
return;
}
if ((event.target !== target[0] && !$(target).has(event.target).length) || isMoving) {
return;
}
if (event.target.className.indexOf('close') > -1){
return;
}
if (document.body.setPointerCapture) {
document.body.setPointerCapture(event.pointerId);
}
else if (document.body.msSetPointerCapture) {
document.body.msSetPointerCapture(event.pointerId);
}
event.preventDefault();
event.stopPropagation();
if (event.pointerId !== undefined) {
pointerId = event.pointerId;
}
moveInit(event);
document.body.addEventListener(pointerUpName, unbind, false);
document.body.addEventListener(pointerMoveName, function (evt) {
if (pointerId !== undefined && evt.pointerId === pointerId) {
motionHandler(evt);
}
}, false);
}, false);
} else {
target.on('mousedown touchstart', function (event) {
if (target.hasClass('disabled')) {
return;
}
event.preventDefault();
event.stopPropagation();
moveInit(event);
$(document).on('mouseup touchend', unbind);
$(document).on('mousemove touchmove', motionHandler);
});
}
el.css({ position: 'absolute' });
};
function setBounds(newBounds) {
bounds = newBounds || bounds;
if (!bounds) {
actualBounds.left = [0 - Infinity, Infinity];
actualBounds.top = [0 - Infinity, Infinity];
return;
}
var css = {
left: parseFloat(el.css('left')) || 0,
top: parseFloat(el.css('top')) || 0
};
if (bounds.x) {
actualBounds.left = [css.left + bounds.x[0], css.left + bounds.x[1]];
} else {
actualBounds.left = [0 - Infinity, Infinity];
}
if (bounds.y) {
actualBounds.top = [css.top + bounds.y[0], css.top + bounds.y[1]];
} else {
actualBounds.top = [0 - Infinity, Infinity];
}
if (document.body.setPointerCapture) {
document.body.setPointerCapture(event.pointerId);
} else if (document.body.msSetPointerCapture) {
document.body.msSetPointerCapture(event.pointerId);
}
//#endregion
event.preventDefault();
event.stopPropagation();
//#region event handlers
var moveInit = function (event) {
moveObj.mouseCoord = getCoord(event);
moveObj.startCoord = { x: parseFloat(el.css('left')), y: parseFloat(el.css('top')) };
if (isNaN(moveObj.startCoord.x)) moveObj.startCoord.x = 0;
if (isNaN(moveObj.startCoord.y)) moveObj.startCoord.y = 0;
moveObj.moveDist = { x: 0, y: 0 };
moveObj.totalDist = { x: 0, y: 0 };
moveObj.clickOffset = wwt.getClickOffset(event);
moveObj.css = { top: moveObj.startCoord.y, left: moveObj.startCoord.x };
moveObj.maxX = actualBounds.left[0] + actualBounds.left[1];
moveObj.maxY = actualBounds.top[0] + actualBounds.top[1];
isMoving = true;
if (onstart) {
onstart.call(moveObj);
}
//el.trigger('dragstart');
};
var motionHandler = function (evt) {
evt.stopPropagation();
//evt.preventDefault();
var newCoord = getCoord(evt);
moveObj.moveDist = {
x: newCoord.x - moveObj.mouseCoord.x,
y: newCoord.y - moveObj.mouseCoord.y
};
moveObj.mouseCoord = newCoord;
moveObj.css.top += moveObj.moveDist.y;
moveObj.css.left += moveObj.moveDist.x;
moveObj.totalDist = {
x: moveObj.totalDist.x + moveObj.moveDist.x,
y: moveObj.totalDist.y + moveObj.moveDist.y
};
moveObj.gridCss = {
left: (Math.round(moveObj.totalDist.x / grid) * grid) + moveObj.startCoord.x,
top: (Math.round(moveObj.totalDist.y / grid) * grid) + moveObj.startCoord.y
};
moveObj.css = moveObj.gridCss;
moveObj.css.top = Math.min(Math.max(actualBounds.top[0], moveObj.css.top), actualBounds.top[1]);
moveObj.css.left = Math.min(Math.max(actualBounds.left[0], moveObj.css.left), actualBounds.left[1]);
moveObj.pctX = Math.max(actualBounds.left[0], moveObj.css.left) / moveObj.maxX;
moveObj.pctY = Math.max(actualBounds.top[0], moveObj.css.top) / moveObj.maxY;
el.css(moveObj.css);
if (onmove) {
//el.trigger('dragmove');
onmove.call(moveObj);
}
};
var unbind = function (evt) {
pointerId = null;
isMoving = false;
$(document).off('mouseup touchend MSPointerUp', unbind);
$(document).off('mousemove touchmove MSPointerMove', motionHandler);
//el.trigger('dragmovecomplete');
moveEnd(evt);
};
var moveEnd = function(event) {
if (oncomplete)
oncomplete.call(moveObj);
isMoving = moveObj.isMoving = false;
if (event) {
event.preventDefault();
}
el.trigger('movecomplete',moveObj);
};
//#endregion
var getCoord = function (evt) {
var coord = {};
if (evt.originalEvent && evt.originalEvent.targetTouches) {
coord.x = evt.originalEvent.targetTouches[0].pageX;
coord.y = evt.originalEvent.targetTouches[0].pageY;
}
else if (evt.originalEvent) {
coord.x = evt.originalEvent.pageX;
coord.y = evt.originalEvent.pageY;
} else {
coord.x = evt.pageX;
coord.y = evt.pageY;
}
return coord;
if (event.pointerId !== undefined) {
pointerId = event.pointerId;
}
init(createArgs);
return {
setBounds: setBounds
};
moveInit(event);
document.body.addEventListener(pointerUpName, unbind, false);
document.body.addEventListener(pointerMoveName, function (evt) {
if (pointerId !== undefined && evt.pointerId === pointerId) {
motionHandler(evt);
}
}, false);
}, false);
} else {
target.on('mousedown touchstart', function (event) {
if (target.hasClass('disabled')) {
return;
}
event.preventDefault();
event.stopPropagation();
moveInit(event);
$(document).on('mouseup touchend', unbind);
$(document).on('mousemove touchmove', motionHandler);
});
}
el.css({ position: 'absolute' });
};
function setBounds(newBounds) {
bounds = newBounds || bounds;
if (!bounds) {
actualBounds.left = [0 - Infinity, Infinity];
actualBounds.top = [0 - Infinity, Infinity];
return;
}
var css = {
left: parseFloat(el.css('left')) || 0,
top: parseFloat(el.css('top')) || 0
};
if (bounds.x) {
actualBounds.left = [css.left + bounds.x[0], css.left + bounds.x[1]];
} else {
actualBounds.left = [0 - Infinity, Infinity];
}
if (bounds.y) {
actualBounds.top = [css.top + bounds.y[0], css.top + bounds.y[1]];
} else {
actualBounds.top = [0 - Infinity, Infinity];
}
}
//#endregion
//#region event handlers
var moveInit = function (event) {
moveObj.mouseCoord = getCoord(event);
moveObj.startCoord = {
x: parseFloat(el.css('left')),
y: parseFloat(el.css('top'))
};
if (isNaN(moveObj.startCoord.x))
moveObj.startCoord.x = 0;
if (isNaN(moveObj.startCoord.y))
moveObj.startCoord.y = 0;
moveObj.moveDist = { x: 0, y: 0 };
moveObj.totalDist = { x: 0, y: 0 };
moveObj.clickOffset = wwt.getClickOffset(event);
moveObj.css = { top: moveObj.startCoord.y, left: moveObj.startCoord.x };
moveObj.maxX = actualBounds.left[0] + actualBounds.left[1];
moveObj.maxY = actualBounds.top[0] + actualBounds.top[1];
isMoving = true;
if (onstart) {
onstart.call(moveObj);
}
//el.trigger('dragstart');
};
var motionHandler = function (evt) {
evt.stopPropagation();
//evt.preventDefault();
var newCoord = getCoord(evt);
moveObj.moveDist = {
x: newCoord.x - moveObj.mouseCoord.x,
y: newCoord.y - moveObj.mouseCoord.y
};
moveObj.mouseCoord = newCoord;
moveObj.css.top += moveObj.moveDist.y;
moveObj.css.left += moveObj.moveDist.x;
moveObj.totalDist = {
x: moveObj.totalDist.x + moveObj.moveDist.x,
y: moveObj.totalDist.y + moveObj.moveDist.y
};
moveObj.gridCss = {
left: (Math.round(moveObj.totalDist.x / grid) * grid) + moveObj.startCoord.x,
top: (Math.round(moveObj.totalDist.y / grid) * grid) + moveObj.startCoord.y
};
moveObj.css = moveObj.gridCss;
moveObj.css.top = Math.min(Math.max(actualBounds.top[0], moveObj.css.top), actualBounds.top[1]);
moveObj.css.left = Math.min(Math.max(actualBounds.left[0], moveObj.css.left), actualBounds.left[1]);
moveObj.pctX = Math.max(actualBounds.left[0], moveObj.css.left) / moveObj.maxX;
moveObj.pctY = Math.max(actualBounds.top[0], moveObj.css.top) / moveObj.maxY;
el.css(moveObj.css);
if (onmove) {
//el.trigger('dragmove');
onmove.call(moveObj);
}
};
var unbind = function (evt) {
pointerId = null;
isMoving = false;
$(document).off('mouseup touchend MSPointerUp', unbind);
$(document).off('mousemove touchmove MSPointerMove', motionHandler);
//el.trigger('dragmovecomplete');
moveEnd(evt);
};
var moveEnd = function(event) {
if (oncomplete)
oncomplete.call(moveObj);
isMoving = moveObj.isMoving = false;
if (event) {
event.preventDefault();
}
el.trigger('movecomplete',moveObj);
};
//#endregion
var getCoord = function (evt) {
var coord = {};
if (evt.originalEvent && evt.originalEvent.targetTouches) {
coord.x = evt.originalEvent.targetTouches[0].pageX;
coord.y = evt.originalEvent.targetTouches[0].pageY;
} else if (evt.originalEvent) {
coord.x = evt.originalEvent.pageX;
coord.y = evt.originalEvent.pageY;
} else {
coord.x = evt.pageX;
coord.y = evt.pageY;
}
return coord;
}
init(createArgs);
return {
setBounds: setBounds
};
};