diff -r 77330e43c855 -r 2a2d2d6f6f80 static/dragdrop.js --- a/static/dragdrop.js Mon Sep 15 01:23:01 2014 +0300 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,247 +0,0 @@ -// script.aculo.us dragdrop.js v1.8.0, Tue Nov 06 15:01:40 +0300 2007 - -// Copyright (c) 2005-2007 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us) -// (c) 2005-2007 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/ -// -// Modified by Tero Marttila to strip unused code - -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) { - Event.stopObserving(document, "mouseup", this.eventMouseUp); - Event.stopObserving(document, "mousemove", this.eventMouseMove); - Event.stopObserving(document, "keypress", this.eventKeypress); - } - }, - - activate: function(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)]; - // Mozilla-based browsers fire successive mousemove events with - // 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( - function(o) { return o[eventName]; } - ).length; - }); - } -} - -/*--------------------------------------------------------------------------*/ - -var Draggable = Class.create({ - initialize: function(element) { - var defaults = { - handle: false, - zindex: 1000, - quiet: false, - delay: 0 - }; - - var options = Object.extend(defaults, arguments[1] || { }); - - this.element = $(element); - - 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; - - Element.makePositioned(this.element); // fix IE - - this.options = options; - 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(!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((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; - } - - Draggables.notify('onStart', this, event); - }, - - updateDrag: function(event, pointer) { - if(!this.dragging) this.startDrag(event); - - Draggables.notify('onDrag', this, event); - - this.draw(pointer); - if(this.options.change) this.options.change(this); - - // fix AppleWebKit rendering - if(Prototype.Browser.WebKit) window.scrollBy(0,0); - - Event.stop(event); - }, - - finishDrag: function(event, success) { - this.dragging = false; - - Draggables.notify('onEnd', this, event); - - var d = this.currentDelta(); - this.delta = d; - - if(this.options.zindex) - this.element.style.zIndex = this.originalZ; - - Draggables.deactivate(this); - }, - - 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.finishDrag(event, true); - Event.stop(event); - }, - - draw: function(point) { - var pos = Position.cumulativeOffset(this.element); - - var d = this.currentDelta(); - pos[0] -= d[0]; pos[1] -= d[1]; - - var p = [0,1].map(function(i){ - return (point[i]-pos[i]-this.offset[i]) - }.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 - } -}); - -Draggable._dragging = { }; -