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author | Richard Worth <rdworth@gmail.com> | 2008-06-07 17:37:43 +0000 |
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committer | Richard Worth <rdworth@gmail.com> | 2008-06-07 17:37:43 +0000 |
commit | a635d0a7c9441d2ed5256e0c841be99afbc7cb94 (patch) | |
tree | 442f36440ad69185f597aa1804b7106ed688cab9 /source/ui.draggable.js | |
parent | a25ba5018cb9645b7b21bc889eb0f36468c6c0fc (diff) | |
download | jquery-ui-a635d0a7c9441d2ed5256e0c841be99afbc7cb94.tar.gz jquery-ui-a635d0a7c9441d2ed5256e0c841be99afbc7cb94.zip |
renamed source -> ui
Diffstat (limited to 'source/ui.draggable.js')
-rw-r--r-- | source/ui.draggable.js | 552 |
1 files changed, 0 insertions, 552 deletions
diff --git a/source/ui.draggable.js b/source/ui.draggable.js deleted file mode 100644 index 692cf20d5..000000000 --- a/source/ui.draggable.js +++ /dev/null @@ -1,552 +0,0 @@ -/* - * jQuery UI Draggable - * - * Copyright (c) 2008 Paul Bakaus - * Dual licensed under the MIT (MIT-LICENSE.txt) - * and GPL (GPL-LICENSE.txt) licenses. - * - * http://docs.jquery.com/UI/Draggables - * - * Depends: - * ui.core.js - * - * Revision: $Id: ui.draggable.js 5672 2008-05-23 04:11:30Z braeker $ - */ -(function($) { - -$.widget("ui.draggable", $.extend($.ui.mouse, { - init: function() { - - //Initialize needed constants - var o = this.options; - - //Position the node - if (o.helper == 'original' && !(/(relative|absolute|fixed)/).test(this.element.css('position'))) - this.element.css('position', 'relative'); - - this.element.addClass('ui-draggable'); - (o.disabled && this.element.addClass('ui-draggable-disabled')); - - this.mouseInit(); - - }, - mouseStart: function(e) { - var o = this.options; - - if (this.helper || o.disabled || $(e.target).is('.ui-resizable-handle')) return false; - - var handle = !this.options.handle || !$(this.options.handle, this.element).length ? true : false; - if(!handle) $(this.options.handle, this.element).each(function() { - if(this == e.target) handle = true; - }); - if (!handle) return false; - - if($.ui.ddmanager) $.ui.ddmanager.current = this; - - //Create and append the visible helper - this.helper = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [e])) : (o.helper == 'clone' ? this.element.clone() : this.element); - if(!this.helper.parents('body').length) this.helper.appendTo((o.appendTo == 'parent' ? this.element[0].parentNode : o.appendTo)); - if(this.helper[0] != this.element[0] && !(/(fixed|absolute)/).test(this.helper.css("position"))) this.helper.css("position", "absolute"); - - /* - * - Position generation - - * This block generates everything position related - it's the core of draggables. - */ - - this.margins = { //Cache the margins - left: (parseInt(this.element.css("marginLeft"),10) || 0), - top: (parseInt(this.element.css("marginTop"),10) || 0) - }; - - this.cssPosition = this.helper.css("position"); //Store the helper's css position - this.offset = this.element.offset(); //The element's absolute position on the page - this.offset = { //Substract the margins from the element's absolute offset - top: this.offset.top - this.margins.top, - left: this.offset.left - this.margins.left - }; - - this.offset.click = { //Where the click happened, relative to the element - left: e.pageX - this.offset.left, - top: e.pageY - this.offset.top - }; - - this.offsetParent = this.helper.offsetParent(); var po = this.offsetParent.offset(); //Get the offsetParent and cache its position - this.offset.parent = { //Store its position plus border - top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0), - left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0) - }; - - var p = this.element.position(); //This is a relative to absolute position minus the actual position calculation - only used for relative positioned helpers - this.offset.relative = this.cssPosition == "relative" ? { - top: p.top - (parseInt(this.helper.css("top"),10) || 0) + this.offsetParent[0].scrollTop, - left: p.left - (parseInt(this.helper.css("left"),10) || 0) + this.offsetParent[0].scrollLeft - } : { top: 0, left: 0 }; - - this.originalPosition = this.generatePosition(e); //Generate the original position - this.helperProportions = { width: this.helper.outerWidth(), height: this.helper.outerHeight() };//Cache the helper size - - if(o.cursorAt) { - if(o.cursorAt.left != undefined) this.offset.click.left = o.cursorAt.left; - if(o.cursorAt.right != undefined) this.offset.click.left = this.helperProportions.width - o.cursorAt.right; - if(o.cursorAt.top != undefined) this.offset.click.top = o.cursorAt.top; - if(o.cursorAt.bottom != undefined) this.offset.click.top = this.helperProportions.height - o.cursorAt.bottom; - } - - - /* - * - Position constraining - - * Here we prepare position constraining like grid and containment. - */ - - if(o.containment) { - if(o.containment == 'parent') o.containment = this.helper[0].parentNode; - if(o.containment == 'document') this.containment = [0,0,$(document).width(), ($(document).height() || document.body.parentNode.scrollHeight)]; - if(!(/^(document|window|parent)$/).test(o.containment)) { - var ce = $(o.containment)[0]; - var co = $(o.containment).offset(); - - this.containment = [ - co.left + (parseInt($(ce).css("borderLeftWidth"),10) || 0) - this.offset.relative.left - this.offset.parent.left, - co.top + (parseInt($(ce).css("borderTopWidth"),10) || 0) - this.offset.relative.top - this.offset.parent.top, - co.left+Math.max(ce.scrollWidth,ce.offsetWidth) - (parseInt($(ce).css("borderLeftWidth"),10) || 0) - this.offset.relative.left - this.offset.parent.left - this.helperProportions.width - this.margins.left - (parseInt(this.element.css("marginRight"),10) || 0), - co.top+Math.max(ce.scrollHeight,ce.offsetHeight) - (parseInt($(ce).css("borderTopWidth"),10) || 0) - this.offset.relative.top - this.offset.parent.top - this.helperProportions.height - this.margins.top - (parseInt(this.element.css("marginBottom"),10) || 0) - ]; - } - } - - //Call plugins and callbacks - this.propagate("start", e); - - this.helperProportions = { width: this.helper.outerWidth(), height: this.helper.outerHeight() };//Recache the helper size - if ($.ui.ddmanager && !o.dropBehaviour) $.ui.ddmanager.prepareOffsets(this, e); - - this.helper.addClass("ui-draggable-dragging"); - this.mouseDrag(e); //Execute the drag once - this causes the helper not to be visible before getting its correct position - return true; - }, - convertPositionTo: function(d, pos) { - if(!pos) pos = this.position; - var mod = d == "absolute" ? 1 : -1; - return { - top: ( - pos.top // the calculated relative position - + this.offset.relative.top * mod // Only for relative positioned nodes: Relative offset from element to offset parent - + this.offset.parent.top * mod // The offsetParent's offset without borders (offset + border) - - (this.cssPosition == "fixed" || (this.cssPosition == "absolute" && this.offsetParent[0] == document.body) ? 0 : this.offsetParent[0].scrollTop) * mod // The offsetParent's scroll position, not if the element is fixed - + (this.cssPosition == "fixed" ? this.offsetParent[0].scrollTop : 0) * mod - + this.margins.top * mod //Add the margin (you don't want the margin counting in intersection methods) - ), - left: ( - pos.left // the calculated relative position - + this.offset.relative.left * mod // Only for relative positioned nodes: Relative offset from element to offset parent - + this.offset.parent.left * mod // The offsetParent's offset without borders (offset + border) - - (this.cssPosition == "fixed" || (this.cssPosition == "absolute" && this.offsetParent[0] == document.body) ? 0 : this.offsetParent[0].scrollLeft) * mod // The offsetParent's scroll position, not if the element is fixed - + (this.cssPosition == "fixed" ? this.offsetParent[0].scrollLeft : 0) * mod - + this.margins.left * mod //Add the margin (you don't want the margin counting in intersection methods) - ) - }; - }, - generatePosition: function(e) { - - var o = this.options; - var position = { - top: ( - e.pageY // The absolute mouse position - - this.offset.click.top // Click offset (relative to the element) - - this.offset.relative.top // Only for relative positioned nodes: Relative offset from element to offset parent - - this.offset.parent.top // The offsetParent's offset without borders (offset + border) - + (this.cssPosition == "fixed" || (this.cssPosition == "absolute" && this.offsetParent[0] == document.body) ? 0 : this.offsetParent[0].scrollTop) // The offsetParent's scroll position, not if the element is fixed - - (this.cssPosition == "fixed" ? this.offsetParent[0].scrollTop : 0) - ), - left: ( - e.pageX // The absolute mouse position - - this.offset.click.left // Click offset (relative to the element) - - this.offset.relative.left // Only for relative positioned nodes: Relative offset from element to offset parent - - this.offset.parent.left // The offsetParent's offset without borders (offset + border) - + (this.cssPosition == "fixed" || (this.cssPosition == "absolute" && this.offsetParent[0] == document.body) ? 0 : this.offsetParent[0].scrollLeft) // The offsetParent's scroll position, not if the element is fixed - - (this.cssPosition == "fixed" ? this.offsetParent[0].scrollLeft : 0) - ) - }; - - if(!this.originalPosition) return position; //If we are not dragging yet, we won't check for options - - /* - * - Position constraining - - * Constrain the position to a mix of grid, containment. - */ - if(this.containment) { - if(position.left < this.containment[0]) position.left = this.containment[0]; - if(position.top < this.containment[1]) position.top = this.containment[1]; - if(position.left > this.containment[2]) position.left = this.containment[2]; - if(position.top > this.containment[3]) position.top = this.containment[3]; - } - - if(o.grid) { - var top = this.originalPosition.top + Math.round((position.top - this.originalPosition.top) / o.grid[1]) * o.grid[1]; - position.top = this.containment ? (!(top < this.containment[1] || top > this.containment[3]) ? top : (!(top < this.containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top; - - var left = this.originalPosition.left + Math.round((position.left - this.originalPosition.left) / o.grid[0]) * o.grid[0]; - position.left = this.containment ? (!(left < this.containment[0] || left > this.containment[2]) ? left : (!(left < this.containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left; - } - - return position; - }, - mouseDrag: function(e) { - - //Compute the helpers position - this.position = this.generatePosition(e); - this.positionAbs = this.convertPositionTo("absolute"); - - //Call plugins and callbacks and use the resulting position if something is returned - this.position = this.propagate("drag", e) || this.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'; - if($.ui.ddmanager) $.ui.ddmanager.drag(this, e); - - return false; - }, - mouseStop: function(e) { - - //If we are using droppables, inform the manager about the drop - if ($.ui.ddmanager && !this.options.dropBehaviour) - $.ui.ddmanager.drop(this, e); - - if(this.options.revert) { - var self = this; - $(this.helper).animate(this.originalPosition, parseInt(this.options.revert, 10) || 500, function() { - self.propagate("stop", e); - self.clear(); - }); - } else { - this.propagate("stop", e); - this.clear(); - } - - return false; - }, - clear: function() { - this.helper.removeClass("ui-draggable-dragging"); - if(this.options.helper != 'original' && !this.cancelHelperRemoval) this.helper.remove(); - if($.ui.ddmanager) $.ui.ddmanager.current = null; - this.helper = null; - this.cancelHelperRemoval = false; - }, - - // From now on bulk stuff - mainly helpers - plugins: {}, - uiHash: function(e) { - return { - helper: this.helper, - position: this.position, - absolutePosition: this.positionAbs, - options: this.options - }; - }, - propagate: function(n,e) { - $.ui.plugin.call(this, n, [e, this.uiHash()]); - return this.element.triggerHandler(n == "drag" ? n : "drag"+n, [e, this.uiHash()], this.options[n]); - }, - destroy: function() { - if(!this.element.data('draggable')) return; - this.element.removeData("draggable").unbind(".draggable").removeClass('ui-draggable'); - this.mouseDestroy(); - } -})); - -$.extend($.ui.draggable, { - defaults: { - appendTo: "parent", - axis: false, - cancel: ":input,button", - delay: 0, - distance: 0, - helper: "original" - } -}); - -$.ui.plugin.add("draggable", "cursor", { - start: function(e, ui) { - var t = $('body'); - if (t.css("cursor")) ui.options._cursor = t.css("cursor"); - t.css("cursor", ui.options.cursor); - }, - stop: function(e, ui) { - if (ui.options._cursor) $('body').css("cursor", ui.options._cursor); - } -}); - -$.ui.plugin.add("draggable", "zIndex", { - start: function(e, ui) { - var t = $(ui.helper); - if(t.css("zIndex")) ui.options._zIndex = t.css("zIndex"); - t.css('zIndex', ui.options.zIndex); - }, - stop: function(e, ui) { - if(ui.options._zIndex) $(ui.helper).css('zIndex', ui.options._zIndex); - } -}); - -$.ui.plugin.add("draggable", "opacity", { - start: function(e, ui) { - var t = $(ui.helper); - if(t.css("opacity")) ui.options._opacity = t.css("opacity"); - t.css('opacity', ui.options.opacity); - }, - stop: function(e, ui) { - if(ui.options._opacity) $(ui.helper).css('opacity', ui.options._opacity); - } -}); - -$.ui.plugin.add("draggable", "iframeFix", { - start: function(e, ui) { - $(ui.options.iframeFix === true ? "iframe" : ui.options.iframeFix).each(function() { - $('<div class="ui-draggable-iframeFix" style="background: #fff;"></div>') - .css({ - width: this.offsetWidth+"px", height: this.offsetHeight+"px", - position: "absolute", opacity: "0.001", zIndex: 1000 - }) - .css($(this).offset()) - .appendTo("body"); - }); - }, - stop: function(e, ui) { - $("div.DragDropIframeFix").each(function() { this.parentNode.removeChild(this); }); //Remove frame helpers - } -}); - -$.ui.plugin.add("draggable", "scroll", { - start: function(e, ui) { - var o = ui.options; - var i = $(this).data("draggable"); - o.scrollSensitivity = o.scrollSensitivity || 20; - o.scrollSpeed = o.scrollSpeed || 20; - - i.overflowY = function(el) { - do { if(/auto|scroll/.test(el.css('overflow')) || (/auto|scroll/).test(el.css('overflow-y'))) return el; el = el.parent(); } while (el[0].parentNode); - return $(document); - }(this); - i.overflowX = function(el) { - do { if(/auto|scroll/.test(el.css('overflow')) || (/auto|scroll/).test(el.css('overflow-x'))) return el; el = el.parent(); } while (el[0].parentNode); - return $(document); - }(this); - - if(i.overflowY[0] != document && i.overflowY[0].tagName != 'HTML') i.overflowYOffset = i.overflowY.offset(); - if(i.overflowX[0] != document && i.overflowX[0].tagName != 'HTML') i.overflowXOffset = i.overflowX.offset(); - - }, - drag: function(e, ui) { - - var o = ui.options; - var i = $(this).data("draggable"); - - if(i.overflowY[0] != document && i.overflowY[0].tagName != 'HTML') { - if((i.overflowYOffset.top + i.overflowY[0].offsetHeight) - e.pageY < o.scrollSensitivity) - i.overflowY[0].scrollTop = i.overflowY[0].scrollTop + o.scrollSpeed; - if(e.pageY - i.overflowYOffset.top < o.scrollSensitivity) - i.overflowY[0].scrollTop = i.overflowY[0].scrollTop - o.scrollSpeed; - - } else { - if(e.pageY - $(document).scrollTop() < o.scrollSensitivity) - $(document).scrollTop($(document).scrollTop() - o.scrollSpeed); - if($(window).height() - (e.pageY - $(document).scrollTop()) < o.scrollSensitivity) - $(document).scrollTop($(document).scrollTop() + o.scrollSpeed); - } - - if(i.overflowX[0] != document && i.overflowX[0].tagName != 'HTML') { - if((i.overflowXOffset.left + i.overflowX[0].offsetWidth) - e.pageX < o.scrollSensitivity) - i.overflowX[0].scrollLeft = i.overflowX[0].scrollLeft + o.scrollSpeed; - if(e.pageX - i.overflowXOffset.left < o.scrollSensitivity) - i.overflowX[0].scrollLeft = i.overflowX[0].scrollLeft - o.scrollSpeed; - } else { - if(e.pageX - $(document).scrollLeft() < o.scrollSensitivity) - $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed); - if($(window).width() - (e.pageX - $(document).scrollLeft()) < o.scrollSensitivity) - $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed); - } - - } -}); - -$.ui.plugin.add("draggable", "snap", { - start: function(e, ui) { - - var inst = $(this).data("draggable"); - inst.snapElements = []; - $(ui.options.snap === true ? '.ui-draggable' : ui.options.snap).each(function() { - var $t = $(this); var $o = $t.offset(); - if(this != inst.element[0]) inst.snapElements.push({ - item: this, - width: $t.outerWidth(), height: $t.outerHeight(), - top: $o.top, left: $o.left - }); - }); - - }, - drag: function(e, ui) { - - var inst = $(this).data("draggable"); - var d = ui.options.snapTolerance || 20; - var x1 = ui.absolutePosition.left, x2 = x1 + inst.helperProportions.width, - y1 = ui.absolutePosition.top, y2 = y1 + inst.helperProportions.height; - - for (var i = inst.snapElements.length - 1; i >= 0; i--){ - - var l = inst.snapElements[i].left, r = l + inst.snapElements[i].width, - t = inst.snapElements[i].top, b = t + inst.snapElements[i].height; - - //Yes, I know, this is insane ;) - if(!((l-d < x1 && x1 < r+d && t-d < y1 && y1 < b+d) || (l-d < x1 && x1 < r+d && t-d < y2 && y2 < b+d) || (l-d < x2 && x2 < r+d && t-d < y1 && y1 < b+d) || (l-d < x2 && x2 < r+d && t-d < y2 && y2 < b+d))) continue; - - if(ui.options.snapMode != 'inner') { - var ts = Math.abs(t - y2) <= 20; - var bs = Math.abs(b - y1) <= 20; - var ls = Math.abs(l - x2) <= 20; - var rs = Math.abs(r - x1) <= 20; - if(ts) ui.position.top = inst.convertPositionTo("relative", { top: t - inst.helperProportions.height, left: 0 }).top; - if(bs) ui.position.top = inst.convertPositionTo("relative", { top: b, left: 0 }).top; - if(ls) ui.position.left = inst.convertPositionTo("relative", { top: 0, left: l - inst.helperProportions.width }).left; - if(rs) ui.position.left = inst.convertPositionTo("relative", { top: 0, left: r }).left; - } - - if(ui.options.snapMode != 'outer') { - var ts = Math.abs(t - y1) <= 20; - var bs = Math.abs(b - y2) <= 20; - var ls = Math.abs(l - x1) <= 20; - var rs = Math.abs(r - x2) <= 20; - if(ts) ui.position.top = inst.convertPositionTo("relative", { top: t, left: 0 }).top; - if(bs) ui.position.top = inst.convertPositionTo("relative", { top: b - inst.helperProportions.height, left: 0 }).top; - if(ls) ui.position.left = inst.convertPositionTo("relative", { top: 0, left: l }).left; - if(rs) ui.position.left = inst.convertPositionTo("relative", { top: 0, left: r - inst.helperProportions.width }).left; - } - - }; - } -}); - -$.ui.plugin.add("draggable", "connectToSortable", { - start: function(e,ui) { - - var inst = $(this).data("draggable"); - inst.sortables = []; - $(ui.options.connectToSortable).each(function() { - if($.data(this, 'sortable')) { - var sortable = $.data(this, 'sortable'); - inst.sortables.push({ - instance: sortable, - shouldRevert: sortable.options.revert - }); - sortable.refresh(); //Do a one-time refresh at start to refresh the containerCache - sortable.propagate("activate", e, inst); - } - }); - - }, - stop: function(e,ui) { - - //If we are still over the sortable, we fake the stop event of the sortable, but also remove helper - var inst = $(this).data("draggable"); - - $.each(inst.sortables, function() { - if(this.instance.isOver) { - this.instance.isOver = 0; - inst.cancelHelperRemoval = true; //Don't remove the helper in the draggable instance - this.instance.cancelHelperRemoval = false; //Remove it in the sortable instance (so sortable plugins like revert still work) - if(this.shouldRevert) this.instance.options.revert = true; //revert here - this.instance.mouseStop(e); - - //Also propagate receive event, since the sortable is actually receiving a element - this.instance.element.triggerHandler("sortreceive", [e, $.extend(this.instance.ui(), { sender: inst.element })], this.instance.options["receive"]); - - this.instance.options.helper = this.instance.options._helper; - } else { - this.instance.propagate("deactivate", e, inst); - } - - }); - - }, - drag: function(e,ui) { - - var inst = $(this).data("draggable"), self = this; - - var checkPos = function(o) { - - var l = o.left, r = l + o.width, - t = o.top, b = t + o.height; - - return (l < (this.positionAbs.left + this.offset.click.left) && (this.positionAbs.left + this.offset.click.left) < r - && t < (this.positionAbs.top + this.offset.click.top) && (this.positionAbs.top + this.offset.click.top) < b); - }; - - $.each(inst.sortables, function(i) { - - if(checkPos.call(inst, this.instance.containerCache)) { - - //If it intersects, we use a little isOver variable and set it once, so our move-in stuff gets fired only once - if(!this.instance.isOver) { - this.instance.isOver = 1; - - //Now we fake the start of dragging for the sortable instance, - //by cloning the list group item, appending it to the sortable and using it as inst.currentItem - //We can then fire the start event of the sortable with our passed browser event, and our own helper (so it doesn't create a new one) - this.instance.currentItem = $(self).clone().appendTo(this.instance.element).data("sortable-item", true); - this.instance.options._helper = this.instance.options.helper; //Store helper option to later restore it - this.instance.options.helper = function() { return ui.helper[0]; }; - - e.target = this.instance.currentItem[0]; - this.instance.mouseStart(e, true, true); - - //Because the browser event is way off the new appended portlet, we modify a couple of variables to reflect the changes - this.instance.offset.click.top = inst.offset.click.top; - this.instance.offset.click.left = inst.offset.click.left; - this.instance.offset.parent.left -= inst.offset.parent.left - this.instance.offset.parent.left; - this.instance.offset.parent.top -= inst.offset.parent.top - this.instance.offset.parent.top; - - inst.propagate("toSortable", e); - - } - - //Provided we did all the previous steps, we can fire the drag event of the sortable on every draggable drag, when it intersects with the sortable - if(this.instance.currentItem) this.instance.mouseDrag(e); - - } else { - - //If it doesn't intersect with the sortable, and it intersected before, - //we fake the drag stop of the sortable, but make sure it doesn't remove the helper by using cancelHelperRemoval - if(this.instance.isOver) { - this.instance.isOver = 0; - this.instance.cancelHelperRemoval = true; - this.instance.options.revert = false; //No revert here - this.instance.mouseStop(e, true); - this.instance.options.helper = this.instance.options._helper; - - //Now we remove our currentItem, the list group clone again, and the placeholder, and animate the helper back to it's original size - this.instance.currentItem.remove(); - this.instance.placeholder.remove(); - - inst.propagate("fromSortable", e); - } - - }; - - }); - - } -}); - -$.ui.plugin.add("draggable", "stack", { - start: function(e,ui) { - var group = $.makeArray($(ui.options.stack.group)).sort(function(a,b) { - return (parseInt($(a).css("zIndex"),10) || ui.options.stack.min) - (parseInt($(b).css("zIndex"),10) || ui.options.stack.min); - }); - - $(group).each(function(i) { - this.style.zIndex = ui.options.stack.min + i; - }); - - this[0].style.zIndex = ui.options.stack.min + group.length; - } -}); - -})(jQuery); |