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Diffstat (limited to 'template-common/lib/ui/ui.draggable.js')
| -rw-r--r-- | template-common/lib/ui/ui.draggable.js | 562 |
1 files changed, 562 insertions, 0 deletions
diff --git a/template-common/lib/ui/ui.draggable.js b/template-common/lib/ui/ui.draggable.js new file mode 100644 index 000000000..31aecff58 --- /dev/null +++ b/template-common/lib/ui/ui.draggable.js @@ -0,0 +1,562 @@ +/* + * 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 + */ +(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; + + + $(this.options.handle, this.element).find("*").andSelf().each(function() { + if(this == e.target) handle = true; + }); + if (!handle) return false; + + if($.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 + if(this.offsetParent[0] == document.body && $.browser.mozilla) po = { top: 0, left: 0 }; //Ugly FF3 fix + 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 + this.margins.left; + if(o.cursorAt.right != undefined) this.offset.click.left = this.helperProportions.width - o.cursorAt.right + this.margins.left; + if(o.cursorAt.top != undefined) this.offset.click.top = o.cursorAt.top + this.margins.top; + if(o.cursorAt.bottom != undefined) this.offset.click.top = this.helperProportions.height - o.cursorAt.bottom + this.margins.top; + } + + + /* + * - 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' || o.containment == 'window') this.containment = [ + 0 - this.offset.relative.left - this.offset.parent.left, + 0 - this.offset.relative.top - this.offset.parent.top, + $(o.containment == 'document' ? document : window).width() - this.offset.relative.left - this.offset.parent.left - this.helperProportions.width - this.margins.left - (parseInt(this.element.css("marginRight"),10) || 0), + ($(o.containment == 'document' ? document : window).height() || document.body.parentNode.scrollHeight) - this.offset.relative.top - this.offset.parent.top - this.helperProportions.height - this.margins.top - (parseInt(this.element.css("marginBottom"),10) || 0) + ]; + + 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" ? $(document).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" ? $(document).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" ? $(document).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" ? $(document).scrollLeft() : 0) + ) + }; + + if(!this.originalPosition) return position; //If we are not dragging yet, we won't check for options + + /* + * - Position constraining - + * Constrain the position to a mix of grid, containment. + */ + if(this.containment) { + if(position.left < this.containment[0]) position.left = this.containment[0]; + if(position.top < this.containment[1]) position.top = this.containment[1]; + if(position.left > this.containment[2]) position.left = this.containment[2]; + if(position.top > this.containment[3]) position.top = this.containment[3]; + } + + if(o.grid) { + var top = this.originalPosition.top + Math.round((position.top - this.originalPosition.top) / o.grid[1]) * o.grid[1]; + position.top = this.containment ? (!(top < this.containment[1] || top > this.containment[3]) ? top : (!(top < this.containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top; + + var left = this.originalPosition.left + Math.round((position.left - this.originalPosition.left) / o.grid[0]) * o.grid[0]; + position.left = this.containment ? (!(left < this.containment[0] || left > this.containment[2]) ? left : (!(left < this.containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left; + } + + return position; + }, + mouseDrag: function(e) { + + //Compute the helpers position + this.position = this.generatePosition(e); + this.positionAbs = this.convertPositionTo("absolute"); + + //Call plugins and callbacks and use the resulting position if something is returned + this.position = this.propagate("drag", e) || this.position; + + if(!this.options.axis || this.options.axis != "y") this.helper[0].style.left = this.position.left+'px'; + if(!this.options.axis || this.options.axis != "x") this.helper[0].style.top = this.position.top+'px'; + if($.ui.ddmanager) $.ui.ddmanager.drag(this, e); + + return false; + }, + mouseStop: function(e) { + + //If we are using droppables, inform the manager about the drop + var dropped = false; + if ($.ui.ddmanager && !this.options.dropBehaviour) + var dropped = $.ui.ddmanager.drop(this, e); + + if((this.options.revert == "invalid" && !dropped) || (this.options.revert == "valid" && dropped) || this.options.revert === true) { + 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) { + $.ui.plugin.call(this, n, [e, this.uiHash()]); + if(n == "drag") this.positionAbs = this.convertPositionTo("absolute"); //The absolute position has to be recalculated after plugins + return this.element.triggerHandler(n == "drag" ? n : "drag"+n, [e, this.uiHash()], this.options[n]); + }, + destroy: function() { + if(!this.element.data('draggable')) return; + this.element.removeData("draggable").unbind(".draggable").removeClass('ui-draggable'); + this.mouseDestroy(); + } +})); + +$.extend($.ui.draggable, { + defaults: { + appendTo: "parent", + axis: false, + cancel: ":input", + delay: 0, + distance: 1, + helper: "original" + } +}); + +$.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.refreshItems(); //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 = $(self).clone().appendTo(this.instance.element).data("sortable-item", true); + this.instance.options._helper = this.instance.options.helper; //Store helper option to later restore it + this.instance.options.helper = function() { return ui.helper[0]; }; + + e.target = this.instance.currentItem[0]; + this.instance.mouseCapture(e, true); + this.instance.mouseStart(e, true, true); + + //Because the browser event is way off the new appended portlet, we modify a couple of variables to reflect the changes + this.instance.offset.click.top = inst.offset.click.top; + this.instance.offset.click.left = inst.offset.click.left; + this.instance.offset.parent.left -= inst.offset.parent.left - this.instance.offset.parent.left; + this.instance.offset.parent.top -= inst.offset.parent.top - this.instance.offset.parent.top; + + inst.propagate("toSortable", e); + + } + + //Provided we did all the previous steps, we can fire the drag event of the sortable on every draggable drag, when it intersects with the sortable + if(this.instance.currentItem) this.instance.mouseDrag(e); + + } else { + + //If it doesn't intersect with the sortable, and it intersected before, + //we fake the drag stop of the sortable, but make sure it doesn't remove the helper by using cancelHelperRemoval + if(this.instance.isOver) { + this.instance.isOver = 0; + this.instance.cancelHelperRemoval = true; + this.instance.options.revert = false; //No revert here + this.instance.mouseStop(e, true); + this.instance.options.helper = this.instance.options._helper; + + //Now we remove our currentItem, the list group clone again, and the placeholder, and animate the helper back to it's original size + this.instance.currentItem.remove(); + if(this.instance.placeholder) this.instance.placeholder.remove(); + + inst.propagate("fromSortable", e); + } + + }; + + }); + + } +}); + +$.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); |