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Draggable: containment now updates dynamically to handle scrolling container. Fixed #4445 containment ignored when scrolling in overflow div

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(cherry picked from commit d620749611)
This commit is contained in:
Edward Faulkner 2011-04-28 10:43:02 -04:00 committed by Scott González
parent 0da176b006
commit a6d8fd1480
1 changed files with 27 additions and 13 deletions
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40
ui/jquery.ui.draggable.js vendored
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@ -342,16 +342,19 @@ $.widget("ui.draggable", $.ui.mouse, {
];
if(!(/^(document|window|parent)$/).test(o.containment) && o.containment.constructor != Array) {
var ce = $(o.containment)[0]; if(!ce) return;
var co = $(o.containment).offset();
var c = $(o.containment);
var ce = c[0]; if(!ce) return;
var co = c.offset();
var over = ($(ce).css("overflow") != 'hidden');
this.containment = [
co.left + (parseInt($(ce).css("borderLeftWidth"),10) || 0) + (parseInt($(ce).css("paddingLeft"),10) || 0),
co.top + (parseInt($(ce).css("borderTopWidth"),10) || 0) + (parseInt($(ce).css("paddingTop"),10) || 0),
co.left+(over ? Math.max(ce.scrollWidth,ce.offsetWidth) : ce.offsetWidth) - (parseInt($(ce).css("borderLeftWidth"),10) || 0) - (parseInt($(ce).css("paddingRight"),10) || 0) - this.helperProportions.width - this.margins.left - this.margins.right,
co.top+(over ? Math.max(ce.scrollHeight,ce.offsetHeight) : ce.offsetHeight) - (parseInt($(ce).css("borderTopWidth"),10) || 0) - (parseInt($(ce).css("paddingBottom"),10) || 0) - this.helperProportions.height - this.margins.top - this.margins.bottom
(parseInt($(ce).css("borderLeftWidth"),10) || 0) + (parseInt($(ce).css("paddingLeft"),10) || 0),
(parseInt($(ce).css("borderTopWidth"),10) || 0) + (parseInt($(ce).css("paddingTop"),10) || 0),
(over ? Math.max(ce.scrollWidth,ce.offsetWidth) : ce.offsetWidth) - (parseInt($(ce).css("borderLeftWidth"),10) || 0) - (parseInt($(ce).css("paddingRight"),10) || 0) - this.helperProportions.width - this.margins.left - this.margins.right,
(over ? Math.max(ce.scrollHeight,ce.offsetHeight) : ce.offsetHeight) - (parseInt($(ce).css("borderTopWidth"),10) || 0) - (parseInt($(ce).css("paddingBottom"),10) || 0) - this.helperProportions.height - this.margins.top - this.margins.bottom
];
this.relative_container = c;
} else if(o.containment.constructor == Array) {
this.containment = o.containment;
}
@ -393,20 +396,31 @@ $.widget("ui.draggable", $.ui.mouse, {
*/
if(this.originalPosition) { //If we are not dragging yet, we won't check for options
var containment;
if(this.containment) {
if(event.pageX - this.offset.click.left < this.containment[0]) pageX = this.containment[0] + this.offset.click.left;
if(event.pageY - this.offset.click.top < this.containment[1]) pageY = this.containment[1] + this.offset.click.top;
if(event.pageX - this.offset.click.left > this.containment[2]) pageX = this.containment[2] + this.offset.click.left;
if(event.pageY - this.offset.click.top > this.containment[3]) pageY = this.containment[3] + this.offset.click.top;
if (this.relative_container){
var co = this.relative_container.offset();
containment = [ this.containment[0] + co.left,
this.containment[1] + co.top,
this.containment[2] + co.left,
this.containment[3] + co.top ];
}
else {
containment = this.containment;
}
if(event.pageX - this.offset.click.left < containment[0]) pageX = containment[0] + this.offset.click.left;
if(event.pageY - this.offset.click.top < containment[1]) pageY = containment[1] + this.offset.click.top;
if(event.pageX - this.offset.click.left > containment[2]) pageX = containment[2] + this.offset.click.left;
if(event.pageY - this.offset.click.top > containment[3]) pageY = containment[3] + this.offset.click.top;
}
if(o.grid) {
var top = this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1];
pageY = this.containment ? (!(top - this.offset.click.top < this.containment[1] || top - this.offset.click.top > this.containment[3]) ? top : (!(top - this.offset.click.top < this.containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top;
pageY = containment ? (!(top - this.offset.click.top < containment[1] || top - this.offset.click.top > containment[3]) ? top : (!(top - this.offset.click.top < containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top;
var left = this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0];
pageX = this.containment ? (!(left - this.offset.click.left < this.containment[0] || left - this.offset.click.left > this.containment[2]) ? left : (!(left - this.offset.click.left < this.containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left;
pageX = containment ? (!(left - this.offset.click.left < containment[0] || left - this.offset.click.left > containment[2]) ? left : (!(left - this.offset.click.left < containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left;
}
}