diff options
Diffstat (limited to 'htdocs/cropper/lib/dragdrop.js')
| -rw-r--r-- | htdocs/cropper/lib/dragdrop.js | 530 |
1 files changed, 295 insertions, 235 deletions
diff --git a/htdocs/cropper/lib/dragdrop.js b/htdocs/cropper/lib/dragdrop.js index 2fc409d..07c98e2 100644 --- a/htdocs/cropper/lib/dragdrop.js +++ b/htdocs/cropper/lib/dragdrop.js @@ -1,9 +1,13 @@ -// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us) -// (c) 2005 Sammi Williams (http://www.oriontransfer.co.nz, sammi@oriontransfer.co.nz) -// -// See scriptaculous.js for full license. +// script.aculo.us dragdrop.js v1.8.2, Tue Nov 18 18:30:58 +0100 2008 -/*--------------------------------------------------------------------------*/ +// Copyright (c) 2005-2008 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us) +// (c) 2005-2008 Sammi Williams (http://www.oriontransfer.co.nz, sammi@oriontransfer.co.nz) +// +// script.aculo.us is freely distributable under the terms of an MIT-style license. +// For details, see the script.aculo.us web site: http://script.aculo.us/ + +if(Object.isUndefined(Effect)) + throw("dragdrop.js requires including script.aculo.us' effects.js library"); var Droppables = { drops: [], @@ -18,20 +22,19 @@ var Droppables = { greedy: true, hoverclass: null, tree: false - }, arguments[1] || {}); + }, arguments[1] || { }); // cache containers if(options.containment) { options._containers = []; var containment = options.containment; - if((typeof containment == 'object') && - (containment.constructor == Array)) { + if(Object.isArray(containment)) { containment.each( function(c) { options._containers.push($(c)) }); } else { options._containers.push($(containment)); } } - + if(options.accept) options.accept = [options.accept].flatten(); Element.makePositioned(element); // fix IE @@ -39,34 +42,34 @@ var Droppables = { this.drops.push(options); }, - + findDeepestChild: function(drops) { deepest = drops[0]; - + for (i = 1; i < drops.length; ++i) if (Element.isParent(drops[i].element, deepest.element)) deepest = drops[i]; - + return deepest; }, isContained: function(element, drop) { var containmentNode; if(drop.tree) { - containmentNode = element.treeNode; + containmentNode = element.treeNode; } else { containmentNode = element.parentNode; } return drop._containers.detect(function(c) { return containmentNode == c }); }, - + isAffected: function(point, element, drop) { return ( (drop.element!=element) && ((!drop._containers) || this.isContained(element, drop)) && ((!drop.accept) || - (Element.classNames(element).detect( + (Element.classNames(element).detect( function(v) { return drop.accept.include(v) } ) )) && Position.within(drop.element, point[0], point[1]) ); }, @@ -85,21 +88,23 @@ var Droppables = { show: function(point, element) { if(!this.drops.length) return; - var affected = []; - - if(this.last_active) this.deactivate(this.last_active); + var drop, affected = []; + this.drops.each( function(drop) { if(Droppables.isAffected(point, element, drop)) affected.push(drop); }); - - if(affected.length>0) { + + if(affected.length>0) drop = Droppables.findDeepestChild(affected); + + if(this.last_active && this.last_active != drop) this.deactivate(this.last_active); + if (drop) { Position.within(drop.element, point[0], point[1]); if(drop.onHover) drop.onHover(element, drop.element, Position.overlap(drop.overlap, drop.element)); - - Droppables.activate(drop); + + if (drop != this.last_active) Droppables.activate(drop); } }, @@ -108,33 +113,35 @@ var Droppables = { Position.prepare(); if (this.isAffected([Event.pointerX(event), Event.pointerY(event)], element, this.last_active)) - if (this.last_active.onDrop) + if (this.last_active.onDrop) { this.last_active.onDrop(element, this.last_active.element, event); + return true; + } }, reset: function() { if(this.last_active) this.deactivate(this.last_active); } -} +}; var Draggables = { drags: [], observers: [], - + register: function(draggable) { if(this.drags.length == 0) { this.eventMouseUp = this.endDrag.bindAsEventListener(this); this.eventMouseMove = this.updateDrag.bindAsEventListener(this); this.eventKeypress = this.keyPress.bindAsEventListener(this); - + Event.observe(document, "mouseup", this.eventMouseUp); Event.observe(document, "mousemove", this.eventMouseMove); Event.observe(document, "keypress", this.eventKeypress); } this.drags.push(draggable); }, - + unregister: function(draggable) { this.drags = this.drags.reject(function(d) { return d==draggable }); if(this.drags.length == 0) { @@ -143,16 +150,24 @@ var Draggables = { Event.stopObserving(document, "keypress", this.eventKeypress); } }, - + activate: function(draggable) { - window.focus(); // allows keypress events if window isn't currently focused, fails for Safari - this.activeDraggable = draggable; + if(draggable.options.delay) { + this._timeout = setTimeout(function() { + Draggables._timeout = null; + window.focus(); + Draggables.activeDraggable = draggable; + }.bind(this), draggable.options.delay); + } else { + window.focus(); // allows keypress events if window isn't currently focused, fails for Safari + this.activeDraggable = draggable; + } }, - + deactivate: function() { this.activeDraggable = null; }, - + updateDrag: function(event) { if(!this.activeDraggable) return; var pointer = [Event.pointerX(event), Event.pointerY(event)]; @@ -160,38 +175,44 @@ var Draggables = { // the same coordinates, prevent needless redrawing (moz bug?) if(this._lastPointer && (this._lastPointer.inspect() == pointer.inspect())) return; this._lastPointer = pointer; + this.activeDraggable.updateDrag(event, pointer); }, - + endDrag: function(event) { + if(this._timeout) { + clearTimeout(this._timeout); + this._timeout = null; + } if(!this.activeDraggable) return; this._lastPointer = null; this.activeDraggable.endDrag(event); this.activeDraggable = null; }, - + keyPress: function(event) { if(this.activeDraggable) this.activeDraggable.keyPress(event); }, - + addObserver: function(observer) { this.observers.push(observer); this._cacheObserverCallbacks(); }, - + removeObserver: function(element) { // element instead of observer fixes mem leaks this.observers = this.observers.reject( function(o) { return o.element==element }); this._cacheObserverCallbacks(); }, - + notify: function(eventName, draggable, event) { // 'onStart', 'onEnd', 'onDrag' if(this[eventName+'Count'] > 0) this.observers.each( function(o) { if(o[eventName]) o[eventName](eventName, draggable, event); }); + if(draggable.options[eventName]) draggable.options[eventName](draggable, event); }, - + _cacheObserverCallbacks: function() { ['onStart','onEnd','onDrag'].each( function(eventName) { Draggables[eventName+'Count'] = Draggables.observers.select( @@ -199,109 +220,125 @@ var Draggables = { ).length; }); } -} +}; /*--------------------------------------------------------------------------*/ -var Draggable = Class.create(); -Draggable.prototype = { +var Draggable = Class.create({ initialize: function(element) { - var options = Object.extend({ + var defaults = { handle: false, - starteffect: function(element) { - element._opacity = Element.getOpacity(element); - new Effect.Opacity(element, {duration:0.2, from:element._opacity, to:0.7}); - }, reverteffect: function(element, top_offset, left_offset) { var dur = Math.sqrt(Math.abs(top_offset^2)+Math.abs(left_offset^2))*0.02; - element._revert = new Effect.Move(element, { x: -left_offset, y: -top_offset, duration: dur}); + new Effect.Move(element, { x: -left_offset, y: -top_offset, duration: dur, + queue: {scope:'_draggable', position:'end'} + }); }, endeffect: function(element) { - var toOpacity = typeof element._opacity == 'number' ? element._opacity : 1.0 - new Effect.Opacity(element, {duration:0.2, from:0.7, to:toOpacity}); + var toOpacity = Object.isNumber(element._opacity) ? element._opacity : 1.0; + new Effect.Opacity(element, {duration:0.2, from:0.7, to:toOpacity, + queue: {scope:'_draggable', position:'end'}, + afterFinish: function(){ + Draggable._dragging[element] = false + } + }); }, zindex: 1000, revert: false, + quiet: false, scroll: false, scrollSensitivity: 20, scrollSpeed: 15, - snap: false // false, or xy or [x,y] or function(x,y){ return [x,y] } - }, arguments[1] || {}); + snap: false, // false, or xy or [x,y] or function(x,y){ return [x,y] } + delay: 0 + }; + + if(!arguments[1] || Object.isUndefined(arguments[1].endeffect)) + Object.extend(defaults, { + starteffect: function(element) { + element._opacity = Element.getOpacity(element); + Draggable._dragging[element] = true; + new Effect.Opacity(element, {duration:0.2, from:element._opacity, to:0.7}); + } + }); + + var options = Object.extend(defaults, arguments[1] || { }); this.element = $(element); - - if(options.handle && (typeof options.handle == 'string')) { - var h = Element.childrenWithClassName(this.element, options.handle, true); - if(h.length>0) this.handle = h[0]; - } + + if(options.handle && Object.isString(options.handle)) + this.handle = this.element.down('.'+options.handle, 0); + if(!this.handle) this.handle = $(options.handle); if(!this.handle) this.handle = this.element; - - if(options.scroll && !options.scroll.scrollTo && !options.scroll.outerHTML) + + if(options.scroll && !options.scroll.scrollTo && !options.scroll.outerHTML) { options.scroll = $(options.scroll); + this._isScrollChild = Element.childOf(this.element, options.scroll); + } - Element.makePositioned(this.element); // fix IE + Element.makePositioned(this.element); // fix IE - this.delta = this.currentDelta(); this.options = options; - this.dragging = false; + this.dragging = false; this.eventMouseDown = this.initDrag.bindAsEventListener(this); Event.observe(this.handle, "mousedown", this.eventMouseDown); - + Draggables.register(this); }, - + destroy: function() { Event.stopObserving(this.handle, "mousedown", this.eventMouseDown); Draggables.unregister(this); }, - + currentDelta: function() { return([ parseInt(Element.getStyle(this.element,'left') || '0'), parseInt(Element.getStyle(this.element,'top') || '0')]); }, - + initDrag: function(event) { - if(Event.isLeftClick(event)) { + if(!Object.isUndefined(Draggable._dragging[this.element]) && + Draggable._dragging[this.element]) return; + if(Event.isLeftClick(event)) { // abort on form elements, fixes a Firefox issue var src = Event.element(event); - if(src.tagName && ( - src.tagName=='INPUT' || - src.tagName=='SELECT' || - src.tagName=='OPTION' || - src.tagName=='BUTTON' || - src.tagName=='TEXTAREA')) return; - - if(this.element._revert) { - this.element._revert.cancel(); - this.element._revert = null; - } - + if((tag_name = src.tagName.toUpperCase()) && ( + tag_name=='INPUT' || + tag_name=='SELECT' || + tag_name=='OPTION' || + tag_name=='BUTTON' || + tag_name=='TEXTAREA')) return; + var pointer = [Event.pointerX(event), Event.pointerY(event)]; var pos = Position.cumulativeOffset(this.element); this.offset = [0,1].map( function(i) { return (pointer[i] - pos[i]) }); - + Draggables.activate(this); Event.stop(event); } }, - + startDrag: function(event) { this.dragging = true; - + if(!this.delta) + this.delta = this.currentDelta(); + if(this.options.zindex) { this.originalZ = parseInt(Element.getStyle(this.element,'z-index') || 0); this.element.style.zIndex = this.options.zindex; } - + if(this.options.ghosting) { this._clone = this.element.cloneNode(true); - Position.absolutize(this.element); + this._originallyAbsolute = (this.element.getStyle('position') == 'absolute'); + if (!this._originallyAbsolute) + Position.absolutize(this.element); this.element.parentNode.insertBefore(this._clone, this.element); } - + if(this.options.scroll) { if (this.options.scroll == window) { var where = this._getWindowScroll(this.options.scroll); @@ -312,29 +349,35 @@ Draggable.prototype = { this.originalScrollTop = this.options.scroll.scrollTop; } } - + Draggables.notify('onStart', this, event); + if(this.options.starteffect) this.options.starteffect(this.element); }, - + updateDrag: function(event, pointer) { if(!this.dragging) this.startDrag(event); - Position.prepare(); - Droppables.show(pointer, this.element); + + if(!this.options.quiet){ + Position.prepare(); + Droppables.show(pointer, this.element); + } + Draggables.notify('onDrag', this, event); + this.draw(pointer); if(this.options.change) this.options.change(this); - + if(this.options.scroll) { this.stopScrolling(); - + var p; if (this.options.scroll == window) { with(this._getWindowScroll(this.options.scroll)) { p = [ left, top, left+width, top+height ]; } } else { p = Position.page(this.options.scroll); - p[0] += this.options.scroll.scrollLeft; - p[1] += this.options.scroll.scrollTop; + p[0] += this.options.scroll.scrollLeft + Position.deltaX; + p[1] += this.options.scroll.scrollTop + Position.deltaY; p.push(p[0]+this.options.scroll.offsetWidth); p.push(p[1]+this.options.scroll.offsetHeight); } @@ -345,32 +388,46 @@ Draggable.prototype = { if(pointer[1] > (p[3]-this.options.scrollSensitivity)) speed[1] = pointer[1]-(p[3]-this.options.scrollSensitivity); this.startScrolling(speed); } - + // fix AppleWebKit rendering - if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0); - + if(Prototype.Browser.WebKit) window.scrollBy(0,0); + Event.stop(event); }, - + finishDrag: function(event, success) { this.dragging = false; + if(this.options.quiet){ + Position.prepare(); + var pointer = [Event.pointerX(event), Event.pointerY(event)]; + Droppables.show(pointer, this.element); + } + if(this.options.ghosting) { - Position.relativize(this.element); + if (!this._originallyAbsolute) + Position.relativize(this.element); + delete this._originallyAbsolute; Element.remove(this._clone); this._clone = null; } - if(success) Droppables.fire(event, this.element); + var dropped = false; + if(success) { + dropped = Droppables.fire(event, this.element); + if (!dropped) dropped = false; + } + if(dropped && this.options.onDropped) this.options.onDropped(this.element); Draggables.notify('onEnd', this, event); var revert = this.options.revert; - if(revert && typeof revert == 'function') revert = revert(this.element); - + if(revert && Object.isFunction(revert)) revert = revert(this.element); + var d = this.currentDelta(); if(revert && this.options.reverteffect) { - this.options.reverteffect(this.element, - d[1]-this.delta[1], d[0]-this.delta[0]); + if (dropped == 0 || revert != 'failure') + this.options.reverteffect(this.element, + d[1]-this.delta[1], d[0]-this.delta[0]); } else { this.delta = d; } @@ -378,61 +435,67 @@ Draggable.prototype = { if(this.options.zindex) this.element.style.zIndex = this.originalZ; - if(this.options.endeffect) + if(this.options.endeffect) this.options.endeffect(this.element); Draggables.deactivate(this); Droppables.reset(); }, - + keyPress: function(event) { if(event.keyCode!=Event.KEY_ESC) return; this.finishDrag(event, false); Event.stop(event); }, - + endDrag: function(event) { if(!this.dragging) return; this.stopScrolling(); this.finishDrag(event, true); Event.stop(event); }, - + draw: function(point) { var pos = Position.cumulativeOffset(this.element); + if(this.options.ghosting) { + var r = Position.realOffset(this.element); + pos[0] += r[0] - Position.deltaX; pos[1] += r[1] - Position.deltaY; + } + var d = this.currentDelta(); pos[0] -= d[0]; pos[1] -= d[1]; - - if(this.options.scroll && (this.options.scroll != window)) { + + if(this.options.scroll && (this.options.scroll != window && this._isScrollChild)) { pos[0] -= this.options.scroll.scrollLeft-this.originalScrollLeft; pos[1] -= this.options.scroll.scrollTop-this.originalScrollTop; } - - var p = [0,1].map(function(i){ - return (point[i]-pos[i]-this.offset[i]) + + var p = [0,1].map(function(i){ + return (point[i]-pos[i]-this.offset[i]) }.bind(this)); - + if(this.options.snap) { - if(typeof this.options.snap == 'function') { + if(Object.isFunction(this.options.snap)) { p = this.options.snap(p[0],p[1],this); } else { - if(this.options.snap instanceof Array) { + if(Object.isArray(this.options.snap)) { p = p.map( function(v, i) { - return Math.round(v/this.options.snap[i])*this.options.snap[i] }.bind(this)) + return (v/this.options.snap[i]).round()*this.options.snap[i] }.bind(this)); } else { p = p.map( function(v) { - return Math.round(v/this.options.snap)*this.options.snap }.bind(this)) + return (v/this.options.snap).round()*this.options.snap }.bind(this)); } }} - + var style = this.element.style; if((!this.options.constraint) || (this.options.constraint=='horizontal')) style.left = p[0] + "px"; if((!this.options.constraint) || (this.options.constraint=='vertical')) style.top = p[1] + "px"; + if(style.visibility=="hidden") style.visibility = ""; // fix gecko rendering }, - + stopScrolling: function() { if(this.scrollInterval) { clearInterval(this.scrollInterval); @@ -440,13 +503,14 @@ Draggable.prototype = { Draggables._lastScrollPointer = null; } }, - + startScrolling: function(speed) { + if(!(speed[0] || speed[1])) return; this.scrollSpeed = [speed[0]*this.options.scrollSpeed,speed[1]*this.options.scrollSpeed]; this.lastScrolled = new Date(); this.scrollInterval = setInterval(this.scroll.bind(this), 10); }, - + scroll: function() { var current = new Date(); var delta = current - this.lastScrolled; @@ -462,22 +526,24 @@ Draggable.prototype = { this.options.scroll.scrollLeft += this.scrollSpeed[0] * delta / 1000; this.options.scroll.scrollTop += this.scrollSpeed[1] * delta / 1000; } - + Position.prepare(); Droppables.show(Draggables._lastPointer, this.element); Draggables.notify('onDrag', this); - Draggables._lastScrollPointer = Draggables._lastScrollPointer || $A(Draggables._lastPointer); - Draggables._lastScrollPointer[0] += this.scrollSpeed[0] * delta / 1000; - Draggables._lastScrollPointer[1] += this.scrollSpeed[1] * delta / 1000; - if (Draggables._lastScrollPointer[0] < 0) - Draggables._lastScrollPointer[0] = 0; - if (Draggables._lastScrollPointer[1] < 0) - Draggables._lastScrollPointer[1] = 0; - this.draw(Draggables._lastScrollPointer); - + if (this._isScrollChild) { + Draggables._lastScrollPointer = Draggables._lastScrollPointer || $A(Draggables._lastPointer); + Draggables._lastScrollPointer[0] += this.scrollSpeed[0] * delta / 1000; + Draggables._lastScrollPointer[1] += this.scrollSpeed[1] * delta / 1000; + if (Draggables._lastScrollPointer[0] < 0) + Draggables._lastScrollPointer[0] = 0; + if (Draggables._lastScrollPointer[1] < 0) + Draggables._lastScrollPointer[1] = 0; + this.draw(Draggables._lastScrollPointer); + } + if(this.options.change) this.options.change(this); }, - + _getWindowScroll: function(w) { var T, L, W, H; with (w.document) { @@ -496,39 +562,42 @@ Draggable.prototype = { H = documentElement.clientHeight; } else { W = body.offsetWidth; - H = body.offsetHeight + H = body.offsetHeight; } } return { top: T, left: L, width: W, height: H }; } -} +}); + +Draggable._dragging = { }; /*--------------------------------------------------------------------------*/ -var SortableObserver = Class.create(); -SortableObserver.prototype = { +var SortableObserver = Class.create({ initialize: function(element, observer) { this.element = $(element); this.observer = observer; this.lastValue = Sortable.serialize(this.element); }, - + onStart: function() { this.lastValue = Sortable.serialize(this.element); }, - + onEnd: function() { Sortable.unmark(); if(this.lastValue != Sortable.serialize(this.element)) this.observer(this.element) } -} +}); var Sortable = { - sortables: {}, - + SERIALIZE_RULE: /^[^_\-](?:[A-Za-z0-9\-\_]*)[_](.*)$/, + + sortables: { }, + _findRootElement: function(element) { - while (element.tagName != "BODY") { + while (element.tagName.toUpperCase() != "BODY") { if(element.id && Sortable.sortables[element.id]) return element; element = element.parentNode; } @@ -539,22 +608,23 @@ var Sortable = { if(!element) return; return Sortable.sortables[element.id]; }, - + destroy: function(element){ - var s = Sortable.options(element); - + element = $(element); + var s = Sortable.sortables[element.id]; + if(s) { Draggables.removeObserver(s.element); s.droppables.each(function(d){ Droppables.remove(d) }); s.draggables.invoke('destroy'); - + delete Sortable.sortables[s.element.id]; } }, create: function(element) { element = $(element); - var options = Object.extend({ + var options = Object.extend({ element: element, tag: 'li', // assumes li children, override with tag: 'tagname' dropOnEmpty: false, @@ -565,15 +635,23 @@ var Sortable = { containment: element, // also takes array of elements (or id's); or false handle: false, // or a CSS class only: false, + delay: 0, hoverclass: null, ghosting: false, + quiet: false, scroll: false, scrollSensitivity: 20, scrollSpeed: 15, - format: /^[^_]*_(.*)$/, + format: this.SERIALIZE_RULE, + + // these take arrays of elements or ids and can be + // used for better initialization performance + elements: false, + handles: false, + onChange: Prototype.emptyFunction, onUpdate: Prototype.emptyFunction - }, arguments[1] || {}); + }, arguments[1] || { }); // clear any old sortable with same element this.destroy(element); @@ -581,9 +659,11 @@ var Sortable = { // build options for the draggables var options_for_draggable = { revert: true, + quiet: options.quiet, scroll: options.scroll, scrollSpeed: options.scrollSpeed, scrollSensitivity: options.scrollSensitivity, + delay: options.delay, ghosting: options.ghosting, constraint: options.constraint, handle: options.handle }; @@ -605,25 +685,24 @@ var Sortable = { if(options.zindex) options_for_draggable.zindex = options.zindex; - // build options for the droppables + // build options for the droppables var options_for_droppable = { overlap: options.overlap, containment: options.containment, tree: options.tree, hoverclass: options.hoverclass, onHover: Sortable.onHover - //greedy: !options.dropOnEmpty - } - + }; + var options_for_tree = { onHover: Sortable.onEmptyHover, overlap: options.overlap, containment: options.containment, hoverclass: options.hoverclass - } + }; // fix for gecko engine - Element.cleanWhitespace(element); + Element.cleanWhitespace(element); options.draggables = []; options.droppables = []; @@ -634,17 +713,16 @@ var Sortable = { options.droppables.push(element); } - (this.findElements(element, options) || []).each( function(e) { - // handles are per-draggable - var handle = options.handle ? - Element.childrenWithClassName(e, options.handle)[0] : e; + (options.elements || this.findElements(element, options) || []).each( function(e,i) { + var handle = options.handles ? $(options.handles[i]) : + (options.handle ? $(e).select('.' + options.handle)[0] : e); options.draggables.push( new Draggable(e, Object.extend(options_for_draggable, { handle: handle }))); Droppables.add(e, options_for_droppable); if(options.tree) e.treeNode = element; - options.droppables.push(e); + options.droppables.push(e); }); - + if(options.tree) { (Sortable.findTreeElements(element, options) || []).each( function(e) { Droppables.add(e, options_for_tree); @@ -666,7 +744,7 @@ var Sortable = { return Element.findChildren( element, options.only, options.tree ? true : false, options.tag); }, - + findTreeElements: function(element, options) { return Element.findChildren( element, options.only, options.tree ? true : false, options.treeTag); @@ -683,7 +761,7 @@ var Sortable = { var oldParentNode = element.parentNode; element.style.visibility = "hidden"; // fix gecko rendering dropon.parentNode.insertBefore(element, dropon); - if(dropon.parentNode!=oldParentNode) + if(dropon.parentNode!=oldParentNode) Sortable.options(oldParentNode).onChange(element); Sortable.options(dropon.parentNode).onChange(element); } @@ -694,26 +772,26 @@ var Sortable = { var oldParentNode = element.parentNode; element.style.visibility = "hidden"; // fix gecko rendering dropon.parentNode.insertBefore(element, nextElement); - if(dropon.parentNode!=oldParentNode) + if(dropon.parentNode!=oldParentNode) Sortable.options(oldParentNode).onChange(element); Sortable.options(dropon.parentNode).onChange(element); } } }, - + onEmptyHover: function(element, dropon, overlap) { var oldParentNode = element.parentNode; var droponOptions = Sortable.options(dropon); - + if(!Element.isParent(dropon, element)) { var index; - - var children = Sortable.findElements(dropon, {tag: droponOptions.tag}); + + var children = Sortable.findElements(dropon, {tag: droponOptions.tag, only: droponOptions.only}); var child = null; - + if(children) { var offset = Element.offsetSize(dropon, droponOptions.overlap) * (1.0 - overlap); - + for (index = 0; index < children.length; index += 1) { if (offset - Element.offsetSize (children[index], droponOptions.overlap) >= 0) { offset -= Element.offsetSize (children[index], droponOptions.overlap); @@ -726,79 +804,66 @@ var Sortable = { } } } - + dropon.insertBefore(element, child); - + Sortable.options(oldParentNode).onChange(element); droponOptions.onChange(element); } }, unmark: function() { - if(Sortable._marker) Element.hide(Sortable._marker); + if(Sortable._marker) Sortable._marker.hide(); }, mark: function(dropon, position) { // mark on ghosting only var sortable = Sortable.options(dropon.parentNode); - if(sortable && !sortable.ghosting) return; + if(sortable && !sortable.ghosting) return; if(!Sortable._marker) { - Sortable._marker = $('dropmarker') || document.createElement('DIV'); - Element.hide(Sortable._marker); - Element.addClassName(Sortable._marker, 'dropmarker'); - Sortable._marker.style.position = 'absolute'; + Sortable._marker = + ($('dropmarker') || Element.extend(document.createElement('DIV'))). + hide().addClassName('dropmarker').setStyle({position:'absolute'}); document.getElementsByTagName("body").item(0).appendChild(Sortable._marker); - } + } var offsets = Position.cumulativeOffset(dropon); - Sortable._marker.style.left = offsets[0] + 'px'; - Sortable._marker.style.top = offsets[1] + 'px'; - + Sortable._marker.setStyle({left: offsets[0]+'px', top: offsets[1] + 'px'}); + if(position=='after') - if(sortable.overlap == 'horizontal') - Sortable._marker.style.left = (offsets[0]+dropon.clientWidth) + 'px'; + if(sortable.overlap == 'horizontal') + Sortable._marker.setStyle({left: (offsets[0]+dropon.clientWidth) + 'px'}); else - Sortable._marker.style.top = (offsets[1]+dropon.clientHeight) + 'px'; - - Element.show(Sortable._marker); + Sortable._marker.setStyle({top: (offsets[1]+dropon.clientHeight) + 'px'}); + + Sortable._marker.show(); }, - + _tree: function(element, options, parent) { var children = Sortable.findElements(element, options) || []; - + for (var i = 0; i < children.length; ++i) { var match = children[i].id.match(options.format); if (!match) continue; - + var child = { id: encodeURIComponent(match ? match[1] : null), element: element, parent: parent, - children: new Array, + children: [], position: parent.children.length, - container: Sortable._findChildrenElement(children[i], options.treeTag.toUpperCase()) - } - + container: $(children[i]).down(options.treeTag) + }; + /* Get the element containing the children and recurse over it */ if (child.container) - this._tree(child.container, options, child) - + this._tree(child.container, options, child); + parent.children.push (child); } - return parent; - }, - - /* Finds the first element of the given tag type within a parent element. - Used for finding the first LI[ST] within a L[IST]I[TEM].*/ - _findChildrenElement: function (element, containerTag) { - if (element && element.hasChildNodes) - for (var i = 0; i < element.childNodes.length; ++i) - if (element.childNodes[i].tagName == containerTag) - return element.childNodes[i]; - - return null; + return parent; }, tree: function(element) { @@ -810,17 +875,17 @@ var Sortable = { only: sortableOptions.only, name: element.id, format: sortableOptions.format - }, arguments[1] || {}); - + }, arguments[1] || { }); + var root = { id: null, parent: null, - children: new Array, + children: [], container: element, position: 0 - } - - return Sortable._tree (element, options, root); + }; + + return Sortable._tree(element, options, root); }, /* Construct a [i] index for a particular node */ @@ -834,8 +899,8 @@ var Sortable = { sequence: function(element) { element = $(element); - var options = Object.extend(this.options(element), arguments[1] || {}); - + var options = Object.extend(this.options(element), arguments[1] || { }); + return $(this.findElements(element, options) || []).map( function(item) { return item.id.match(options.format) ? item.id.match(options.format)[1] : ''; }); @@ -843,15 +908,15 @@ var Sortable = { setSequence: function(element, new_sequence) { element = $(element); - var options = Object.extend(this.options(element), arguments[2] || {}); - - var nodeMap = {}; + var options = Object.extend(this.options(element), arguments[2] || { }); + + var nodeMap = { }; this.findElements(element, options).each( function(n) { if (n.id.match(options.format)) nodeMap[n.id.match(options.format)[1]] = [n, n.parentNode]; n.parentNode.removeChild(n); }); - + new_sequence.each(function(ident) { var n = nodeMap[ident]; if (n) { @@ -860,16 +925,16 @@ var Sortable = { } }); }, - + serialize: function(element) { element = $(element); - var options = Object.extend(Sortable.options(element), arguments[1] || {}); + var options = Object.extend(Sortable.options(element), arguments[1] || { }); var name = encodeURIComponent( (arguments[1] && arguments[1].name) ? arguments[1].name : element.id); - + if (options.tree) { return Sortable.tree(element, arguments[1]).children.map( function (item) { - return [name + Sortable._constructIndex(item) + "=" + + return [name + Sortable._constructIndex(item) + "[id]=" + encodeURIComponent(item.id)].concat(item.children.map(arguments.callee)); }).flatten().join('&'); } else { @@ -878,18 +943,16 @@ var Sortable = { }).join('&'); } } -} +}; -/* Returns true if child is contained within element */ +// Returns true if child is contained within element Element.isParent = function(child, element) { if (!child.parentNode || child == element) return false; - if (child.parentNode == element) return true; - return Element.isParent(child.parentNode, element); -} +}; -Element.findChildren = function(element, only, recursive, tagName) { +Element.findChildren = function(element, only, recursive, tagName) { if(!element.hasChildNodes()) return null; tagName = tagName.toUpperCase(); if(only) only = [only].flatten(); @@ -905,11 +968,8 @@ Element.findChildren = function(element, only, recursive, tagName) { }); return (elements.length>0 ? elements.flatten() : []); -} +}; Element.offsetSize = function (element, type) { - if (type == 'vertical' || type == 'height') - return element.offsetHeight; - else - return element.offsetWidth; -} + return element['offset' + ((type=='vertical' || type=='height') ? 'Height' : 'Width')]; +};
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