它是唯一适用于我的代码的 jQuery 多重排序。它昨天就起来了，但现在它似乎消失了，我正在为没有抓住源头而自责。
编辑：布拉德发现它如下所述。太感谢了。对于那些好奇的人，这是我发现的 jQuery multisort 的最佳工作版本，至少可用于表行。
问问题
157 次
1 回答
1
jQuery UI Sortable 可以在这里找到：
您也可以将它作为 jQuery UI 的一部分来获取。官方在这里下载：http: //jqueryui.com/download/
/*
* jQuery UI Sortable 1.7.2
*
* Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* http://docs.jquery.com/UI/Sortables
*
* Depends:
* ui.core.js
*/
(function($) {
$.widget("ui.multisortable", $.extend({}, $.ui.sortable.prototype, {
_mouseCapture: function(event, overrideHandle) {
if (this.reverting) {
return false;
}
if(this.options.disabled || this.options.type == 'static') return false;
//We have to refresh the items data once first
this._refreshItems(event);
//Find out if the clicked node (or one of its parents) is a actual item in this.items
var currentItem = null, self = this, nodes = $(event.target).parents().each(function() {
if($.data(this, 'sortable-item') == self) {
currentItem = $(this);
return false;
}
});
if($.data(event.target, 'sortable-item') == self) currentItem = $(event.target);
if(!currentItem) return false;
if(this.options.handle && !overrideHandle) {
var validHandle = false;
$(this.options.handle, currentItem).find("*").andSelf().each(function() { if(this == event.target) validHandle = true; });
if(!validHandle) return false;
}
if (event.ctrlKey) {
// Class for marking a multidraggable as being part of the group
$(currentItem).toggleClass('ui-multisort-grouped');
}
this.currentItem = currentItem;
this._removeCurrentsFromItems();
return true;
},
_mouseStart: function(event, overrideHandle, noActivation) {
var o = this.options, self = this;
this.currentContainer = this;
//We only need to call refreshPositions, because the refreshItems call has been moved to mouseCapture
this.refreshPositions();
//Create and append the visible helper
this.helper = this._createHelper(event);
$("#target").text(this.helper.length);
//Cache the helper size
this._cacheHelperProportions();
/*
* - Position generation -
* This block generates everything position related - it's the core of draggables.
*/
//Cache the margins of the original element
this._cacheMargins();
//Get the next scrolling parent
this.scrollParent = this.helper.scrollParent();
//The element's absolute position on the page minus margins
this.offset = this.currentItem.offset();
this.offset = {
top: this.offset.top - this.margins.top,
left: this.offset.left - this.margins.left
};
// Only after we got the offset, we can change the helper's position to absolute
// TODO: Still need to figure out a way to make relative sorting possible
this.helper.css("position", "absolute");
this.cssPosition = this.helper.css("position");
$.extend(this.offset, {
click: { //Where the click happened, relative to the element
left: event.pageX - this.offset.left,
top: event.pageY - this.offset.top
},
parent: this._getParentOffset(),
relative: this._getRelativeOffset() //This is a relative to absolute position minus the actual position calculation - only used for relative positioned helper
});
//Generate the original position
this.originalPosition = this._generatePosition(event);
this.originalPageX = event.pageX;
this.originalPageY = event.pageY;
//Adjust the mouse offset relative to the helper if 'cursorAt' is supplied
if(o.cursorAt)
this._adjustOffsetFromHelper(o.cursorAt);
//Cache the former DOM position
this.domPosition = { prev: this.currentItem.prev()[0], parent: this.currentItem.parent()[0] };
//If the helper is not the original, hide the original so it's not playing any role during the drag, won't cause anything bad this way
if(this.helper[0] != this.currentItem[0]) {
this.currentItem.hide();
}
//Create the placeholder
this._createPlaceholder();
//Set a containment if given in the options
if(o.containment)
this._setContainment();
if(o.cursor) { // cursor option
if ($('body').css("cursor")) this._storedCursor = $('body').css("cursor");
$('body').css("cursor", o.cursor);
}
if(o.opacity) { // opacity option
if (this.helper.css("opacity")) this._storedOpacity = this.helper.css("opacity");
this.helper.css("opacity", o.opacity);
}
if(o.zIndex) { // zIndex option
if (this.helper.css("zIndex")) this._storedZIndex = this.helper.css("zIndex");
this.helper.css("zIndex", o.zIndex);
}
//Prepare scrolling
if(this.scrollParent[0] != document && this.scrollParent[0].tagName != 'HTML')
this.overflowOffset = this.scrollParent.offset();
//Call callbacks
this._trigger("start", event, this._uiHash());
//Recache the helper size
if(!this._preserveHelperProportions)
this._cacheHelperProportions();
//Post 'activate' events to possible containers
if(!noActivation) {
for (var i = this.containers.length - 1; i >= 0; i--) { this.containers[i]._trigger("activate", event, self._uiHash(this)); }
}
//Prepare possible droppables
if($.ui.ddmanager)
$.ui.ddmanager.current = this;
if ($.ui.ddmanager && !o.dropBehaviour)
$.ui.ddmanager.prepareOffsets(this, event);
this.dragging = true;
this.helper.addClass("ui-sortable-helper");
this._mouseDrag(event); //Execute the drag once - this causes the helper not to be visible before getting its correct position
return true;
},
_mouseDrag: function(event) {
//Compute the helpers position
this.position = this._generatePosition(event);
this.positionAbs = this._convertPositionTo("absolute");
if (!this.lastPositionAbs) {
this.lastPositionAbs = this.positionAbs;
}
//Do scrolling
if(this.options.scroll) {
var o = this.options, scrolled = false;
if(this.scrollParent[0] != document && this.scrollParent[0].tagName != 'HTML') {
if((this.overflowOffset.top + this.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity)
this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop + o.scrollSpeed;
else if(event.pageY - this.overflowOffset.top < o.scrollSensitivity)
this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop - o.scrollSpeed;
if((this.overflowOffset.left + this.scrollParent[0].offsetWidth) - event.pageX < o.scrollSensitivity)
this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft + o.scrollSpeed;
else if(event.pageX - this.overflowOffset.left < o.scrollSensitivity)
this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft - o.scrollSpeed;
} else {
if(event.pageY - $(document).scrollTop() < o.scrollSensitivity)
scrolled = $(document).scrollTop($(document).scrollTop() - o.scrollSpeed);
else if($(window).height() - (event.pageY - $(document).scrollTop()) < o.scrollSensitivity)
scrolled = $(document).scrollTop($(document).scrollTop() + o.scrollSpeed);
if(event.pageX - $(document).scrollLeft() < o.scrollSensitivity)
scrolled = $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed);
else if($(window).width() - (event.pageX - $(document).scrollLeft()) < o.scrollSensitivity)
scrolled = $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed);
}
if(scrolled !== false && $.ui.ddmanager && !o.dropBehaviour)
$.ui.ddmanager.prepareOffsets(this, event);
}
//Regenerate the absolute position used for position checks
this.positionAbs = this._convertPositionTo("absolute");
//Set the helper position
if(!this.options.axis || this.options.axis != "y") this.helper[0].style.left = this.position.left+'px';
if(!this.options.axis || this.options.axis != "x") this.helper[0].style.top = this.position.top+'px';
var options_axis = this.options.axis;
var pos_left = this.position.left;
var pos_top = this.position.top;
this.helper.each(function(i) {
if(!options_axis || options_axis != "y") this.style.left = pos_left + 'px';
if(!options_axis || options_axis != "x") this.style.top = pos_top+ ($(this).outerHeight() * i) + 'px';
});
//Rearrange
for (var i = this.items.length - 1; i >= 0; i--) {
//Cache variables and intersection, continue if no intersection
var item = this.items[i], itemElement = item.item[0], intersection = this._intersectsWithPointer(item);
if (!intersection) continue;
if(itemElement != this.currentItem[0] //cannot intersect with itself
&& this.placeholder[intersection == 1 ? "next" : "prev"]()[0] != itemElement //no useless actions that have been done before
&& !$.ui.contains(this.placeholder[0], itemElement) //no action if the item moved is the parent of the item checked
&& (this.options.type == 'semi-dynamic' ? !$.ui.contains(this.element[0], itemElement) : true)
) {
this.direction = intersection == 1 ? "down" : "up";
if (this.options.tolerance == "pointer" || this._intersectsWithSides(item)) {
this._rearrange(event, item);
} else {
break;
}
this._trigger("change", event, this._uiHash());
break;
}
}
//Post events to containers
this._contactContainers(event);
//Interconnect with droppables
if($.ui.ddmanager) $.ui.ddmanager.drag(this, event);
//Call callbacks
this._trigger('sort', event, this._uiHash());
this.lastPositionAbs = this.positionAbs;
return false;
},
_createHelper: function(event) {
var o = this.options;
if (this.currentItem.hasClass('ui-multisort-grouped')) {
var helper = $(this.currentItem).add($(this.currentItem).siblings('.ui-multisort-grouped')).clone();
$(this.currentItem).siblings('.ui-multisort-grouped').hide();
if(!helper.parents('body').length) {
//Add the helper to the DOM if that didn't happen already
var parentNode = $(o.appendTo != 'parent' ? o.appendTo : this.currentItem[0].parentNode)[0];
$(helper).each(function(i) {
parentNode.appendChild(helper[i]);
});
}
} else {
var helper = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [event, this.currentItem])) : (o.helper == 'clone' ? this.currentItem.clone() : this.currentItem);
if(!helper.parents('body').length) //Add the helper to the DOM if that didn't happen already
$(o.appendTo != 'parent' ? o.appendTo : this.currentItem[0].parentNode)[0].appendChild(helper[0]);
}
if(helper[0] == this.currentItem[0])
this._storedCSS = { width: this.currentItem[0].style.width, height: this.currentItem[0].style.height, position: this.currentItem.css("position"), top: this.currentItem.css("top"), left: this.currentItem.css("left") };
if(helper[0].style.width == '' || o.forceHelperSize) helper.width(this.currentItem.width());
if(helper[0].style.height == '' || o.forceHelperSize) helper.height(this.currentItem.height());
return helper;
},
_clear: function(event, noPropagation) {
this.reverting = false;
// We delay all events that have to be triggered to after the point where the placeholder has been removed and
// everything else normalized again
var delayedTriggers = [], self = this;
// We first have to update the dom position of the actual currentItem
// Note: don't do it if the current item is already removed (by a user), or it gets reappended (see #4088)
if(!this._noFinalSort && this.currentItem[0].parentNode) this.placeholder.before(this.currentItem);
this._noFinalSort = null;
if(this.helper[0] == this.currentItem[0]) {
for(var i in this._storedCSS) {
if(this._storedCSS[i] == 'auto' || this._storedCSS[i] == 'static') this._storedCSS[i] = '';
}
this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper");
} else {
if ($(this.currentItem).parent().children().size() > 0) {
$(this.currentItem).siblings('.ui-multisort-grouped').show();
}
this.currentItem.show();
}
if(this.fromOutside && !noPropagation) delayedTriggers.push(function(event) { this._trigger("receive", event, this._uiHash(this.fromOutside)); });
if((this.fromOutside || this.domPosition.prev != this.currentItem.prev().not(".ui-sortable-helper")[0] || this.domPosition.parent != this.currentItem.parent()[0]) && !noPropagation) delayedTriggers.push(function(event) { this._trigger("update", event, this._uiHash()); }); //Trigger update callback if the DOM position has changed
if(!$.ui.contains(this.element[0], this.currentItem[0])) { //Node was moved out of the current element
if(!noPropagation) delayedTriggers.push(function(event) { this._trigger("remove", event, this._uiHash()); });
for (var i = this.containers.length - 1; i >= 0; i--){
if($.ui.contains(this.containers[i].element[0], this.currentItem[0]) && !noPropagation) {
delayedTriggers.push((function(c) { return function(event) { c._trigger("receive", event, this._uiHash(this)); }; }).call(this, this.containers[i]));
delayedTriggers.push((function(c) { return function(event) { c._trigger("update", event, this._uiHash(this)); }; }).call(this, this.containers[i]));
}
};
};
//Post events to containers
for (var i = this.containers.length - 1; i >= 0; i--){
if(!noPropagation) delayedTriggers.push((function(c) { return function(event) { c._trigger("deactivate", event, this._uiHash(this)); }; }).call(this, this.containers[i]));
if(this.containers[i].containerCache.over) {
delayedTriggers.push((function(c) { return function(event) { c._trigger("out", event, this._uiHash(this)); }; }).call(this, this.containers[i]));
this.containers[i].containerCache.over = 0;
}
}
//Do what was originally in plugins
if(this._storedCursor) $('body').css("cursor", this._storedCursor); //Reset cursor
if(this._storedOpacity) this.helper.css("opacity", this._storedOpacity); //Reset cursor
if(this._storedZIndex) this.helper.css("zIndex", this._storedZIndex == 'auto' ? '' : this._storedZIndex); //Reset z-index
this.dragging = false;
if(this.cancelHelperRemoval) {
if(!noPropagation) {
this._trigger("beforeStop", event, this._uiHash());
for (var i=0; i < delayedTriggers.length; i++) { delayedTriggers[i].call(this, event); }; //Trigger all delayed events
this._trigger("stop", event, this._uiHash());
}
return false;
}
if(!noPropagation) this._trigger("beforeStop", event, this._uiHash());
//$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!
if (this.placeholder[0].parentNode) {
this.placeholder[0].parentNode.removeChild(this.placeholder[0]);
}
if(this.helper[0] != this.currentItem[0]) this.helper.remove(); this.helper = null;
if(!noPropagation) {
for (var i=0; i < delayedTriggers.length; i++) { delayedTriggers[i].call(this, event); }; //Trigger all delayed events
this._trigger("stop", event, this._uiHash());
}
this.fromOutside = false;
return true;
},
}));
$.extend($.ui.multisortable, {
getter: "serialize toArray",
version: "1.7.2",
eventPrefix: "sort",
defaults: {
appendTo: "parent",
axis: false,
cancel: ":input,option",
connectWith: false,
containment: false,
cursor: 'auto',
cursorAt: false,
delay: 0,
distance: 1,
dropOnEmpty: true,
forcePlaceholderSize: false,
forceHelperSize: false,
grid: false,
handle: false,
helper: "original",
items: '> *',
opacity: false,
placeholder: false,
revert: false,
scroll: true,
scrollSensitivity: 20,
scrollSpeed: 20,
scope: "default",
tolerance: "intersect",
zIndex: 1000
}
});
})(jQuery);
于 2013-06-06T21:49:53.807 回答