1 files changed, 516 insertions, 0 deletions

diff --git a/framework/Web/Javascripts/effects/dragdrop.js b/framework/Web/Javascripts/effects/dragdrop.js
new file mode 100644
index 00000000..bfb6e8e9
--- /dev/null
+++ b/framework/Web/Javascripts/effects/dragdrop.js
@@ -0,0 +1,516 @@
+// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)

+// 

+// Element.Class part Copyright (c) 2005 by Rick Olson

+// 

+// See scriptaculous.js for full license.

+

+/*--------------------------------------------------------------------------*/

+

+var Droppables = {

+  drops: [],

+

+  remove: function(element) {

+    this.drops = this.drops.reject(function(d) { return d.element==element });

+  },

+

+  add: function(element) {

+    element = $(element);

+    var options = Object.extend({

+      greedy:     true,

+      hoverclass: null  

+    }, arguments[1] || {});

+

+    // cache containers

+    if(options.containment) {

+      options._containers = [];

+      var containment = options.containment;

+      if((typeof containment == 'object') && 

+        (containment.constructor == Array)) {

+        containment.each( function(c) { options._containers.push($(c)) });

+      } else {

+        options._containers.push($(containment));

+      }

+    }

+

+    Element.makePositioned(element); // fix IE

+    options.element = element;

+

+    this.drops.push(options);

+  },

+

+  isContained: function(element, drop) {

+    var parentNode = element.parentNode;

+    return drop._containers.detect(function(c) { return parentNode == c });

+  },

+

+  isAffected: function(pX, pY, element, drop) {

+    return (

+      (drop.element!=element) &&

+      ((!drop._containers) ||

+        this.isContained(element, drop)) &&

+      ((!drop.accept) ||

+        (Element.Class.has_any(element, drop.accept))) &&

+      Position.within(drop.element, pX, pY) );

+  },

+

+  deactivate: function(drop) {

+    if(drop.hoverclass)

+      Element.Class.remove(drop.element, drop.hoverclass);

+    this.last_active = null;

+  },

+

+  activate: function(drop) {

+    if(this.last_active) this.deactivate(this.last_active);

+    if(drop.hoverclass)

+      Element.Class.add(drop.element, drop.hoverclass);

+    this.last_active = drop;

+  },

+

+  show: function(event, element) {

+    if(!this.drops.length) return;

+    var pX = Event.pointerX(event);

+    var pY = Event.pointerY(event);

+    Position.prepare();

+

+    var i = this.drops.length-1; do {

+      var drop = this.drops[i];

+      if(this.isAffected(pX, pY, element, drop)) {

+        if(drop.onHover)

+           drop.onHover(element, drop.element, Position.overlap(drop.overlap, drop.element));

+        if(drop.greedy) { 

+          this.activate(drop);

+          return;

+        }

+      }

+    } while (i--);

+    

+    if(this.last_active) this.deactivate(this.last_active);

+  },

+

+  fire: function(event, element) {

+    if(!this.last_active) return;

+    Position.prepare();

+

+    if (this.isAffected(Event.pointerX(event), Event.pointerY(event), element, this.last_active))

+      if (this.last_active.onDrop) 

+        this.last_active.onDrop(element, this.last_active.element, event);

+  },

+

+  reset: function() {

+    if(this.last_active)

+      this.deactivate(this.last_active);

+  }

+}

+

+var Draggables = {

+  observers: [],

+  addObserver: function(observer) {

+    this.observers.push(observer);    

+  },

+  removeObserver: function(element) {  // element instead of obsever fixes mem leaks

+    this.observers = this.observers.reject( function(o) { return o.element==element });

+  },

+  notify: function(eventName, draggable) {  // 'onStart', 'onEnd'

+    this.observers.invoke(eventName, draggable);

+  }

+}

+

+/*--------------------------------------------------------------------------*/

+

+var Draggable = Class.create();

+Draggable.prototype = {

+  initialize: function(element) {

+	this.element      = $(element);

+    var options = Object.extend({

+      handle: false,

+      starteffect: function(element) { 

+        new Effect.Opacity(element, {duration:0.2, from:1.0, 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;

+        new Effect.MoveBy(element, -top_offset, -left_offset, {duration:dur});

+      },

+      endeffect: function(element) { 

+         new Effect.Opacity(element, {duration:0.2, from:0.7, to:1.0}); 

+      },

+      zindex: 1000,

+      revert: false

+    }, arguments[1] || {});

+

+    if(options.handle && (typeof options.handle == 'string'))

+      this.handle = Element.Class.childrenWith(this.element, options.handle)[0];

+      

+    if(!this.handle) this.handle = $(options.handle);

+    if(!this.handle) this.handle = this.element;

+

+    Element.makePositioned(this.element); // fix IE    

+

+    this.offsetX      = 0;

+    this.offsetY      = 0;

+    this.originalLeft = this.currentLeft();

+    this.originalTop  = this.currentTop();

+    this.originalX    = this.element.offsetLeft;

+    this.originalY    = this.element.offsetTop;

+

+    this.options      = options;

+

+    this.active       = false;

+    this.dragging     = false;   

+

+    this.eventMouseDown = this.startDrag.bindAsEventListener(this);

+    this.eventMouseUp   = this.endDrag.bindAsEventListener(this);

+    this.eventMouseMove = this.update.bindAsEventListener(this);

+    this.eventKeypress  = this.keyPress.bindAsEventListener(this);

+    

+    this.registerEvents();

+  },

+  destroy: function() {

+    Event.stopObserving(this.handle, "mousedown", this.eventMouseDown);

+    this.unregisterEvents();

+  },

+  registerEvents: function() {

+    Event.observe(document, "mouseup", this.eventMouseUp);

+    Event.observe(document, "mousemove", this.eventMouseMove);

+    Event.observe(document, "keypress", this.eventKeypress);

+    Event.observe(this.handle, "mousedown", this.eventMouseDown);

+  },

+  unregisterEvents: function() {

+    //if(!this.active) return;

+    //Event.stopObserving(document, "mouseup", this.eventMouseUp);

+    //Event.stopObserving(document, "mousemove", this.eventMouseMove);

+    //Event.stopObserving(document, "keypress", this.eventKeypress);

+  },

+  currentLeft: function() {

+    return parseInt(this.element.style.left || '0');

+  },

+  currentTop: function() {

+    return parseInt(this.element.style.top || '0')

+  },

+  startDrag: function(event) {

+    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=='BUTTON' ||

+        src.tagName=='TEXTAREA')) return;

+      

+      // this.registerEvents();

+      this.active = true;

+      var pointer = [Event.pointerX(event), Event.pointerY(event)];

+      var offsets = Position.cumulativeOffset(this.element);

+      this.offsetX =  (pointer[0] - offsets[0]);

+      this.offsetY =  (pointer[1] - offsets[1]);

+      Event.stop(event);

+    }

+  },

+  finishDrag: function(event, success) {

+    // this.unregisterEvents();

+

+    this.active = false;

+    this.dragging = false;

+

+    if(this.options.ghosting) {

+      Position.relativize(this.element);

+      Element.remove(this._clone);

+      this._clone = null;

+    }

+

+    if(success) Droppables.fire(event, this.element);

+    Draggables.notify('onEnd', this);

+

+    var revert = this.options.revert;

+    if(revert && typeof revert == 'function') revert = revert(this.element);

+

+    if(revert && this.options.reverteffect) {

+      this.options.reverteffect(this.element, 

+      this.currentTop()-this.originalTop,

+      this.currentLeft()-this.originalLeft);

+    } else {

+      this.originalLeft = this.currentLeft();

+      this.originalTop  = this.currentTop();

+    }

+

+    if(this.options.zindex)

+      this.element.style.zIndex = this.originalZ;

+

+    if(this.options.endeffect) 

+      this.options.endeffect(this.element);

+

+

+    Droppables.reset();

+  },

+  keyPress: function(event) {

+    if(this.active) {

+      if(event.keyCode==Event.KEY_ESC) {

+        this.finishDrag(event, false);

+        Event.stop(event);

+      }

+    }

+  },

+  endDrag: function(event) {

+    if(this.active && this.dragging) {

+      this.finishDrag(event, true);

+      Event.stop(event);

+    }

+    this.active = false;

+    this.dragging = false;

+  },

+  draw: function(event) {

+    var pointer = [Event.pointerX(event), Event.pointerY(event)];

+    var offsets = Position.cumulativeOffset(this.element);

+    offsets[0] -= this.currentLeft();

+    offsets[1] -= this.currentTop();

+    var style = this.element.style;

+    if((!this.options.constraint) || (this.options.constraint=='horizontal'))

+      style.left = (pointer[0] - offsets[0] - this.offsetX) + "px";

+    if((!this.options.constraint) || (this.options.constraint=='vertical'))

+      style.top  = (pointer[1] - offsets[1] - this.offsetY) + "px";

+    if(style.visibility=="hidden") style.visibility = ""; // fix gecko rendering

+  },

+  update: function(event) {

+   if(this.active) {

+      if(!this.dragging) {

+        var style = this.element.style;

+        this.dragging = true;

+        

+        if(Element.getStyle(this.element,'position')=='') 

+          style.position = "relative";

+        

+        if(this.options.zindex) {

+          this.options.originalZ = parseInt(Element.getStyle(this.element,'z-index') || 0);

+          style.zIndex = this.options.zindex;

+        }

+

+        if(this.options.ghosting) {

+          this._clone = this.element.cloneNode(true);

+          Position.absolutize(this.element);

+          this.element.parentNode.insertBefore(this._clone, this.element);

+        }

+

+        Draggables.notify('onStart', this);

+        if(this.options.starteffect) this.options.starteffect(this.element);

+      }

+

+      Droppables.show(event, this.element);

+      this.draw(event);

+      if(this.options.change) this.options.change(this);

+

+      // fix AppleWebKit rendering

+      if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0); 

+

+      Event.stop(event);

+   }

+  }

+}

+

+/*--------------------------------------------------------------------------*/

+

+var SortableObserver = Class.create();

+SortableObserver.prototype = {

+  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: new Array(),

+  options: function(element){

+    element = $(element);

+    return this.sortables.detect(function(s) { return s.element == element });

+  },

+  destroy: function(element){

+    element = $(element);

+    this.sortables.findAll(function(s) { return s.element == element }).each(function(s){

+      Draggables.removeObserver(s.element);

+      s.droppables.each(function(d){ Droppables.remove(d) });

+      s.draggables.invoke('destroy');

+    });

+    this.sortables = this.sortables.reject(function(s) { return s.element == element });

+  },

+  create: function(element) {

+    element = $(element);

+    var options = Object.extend({ 

+      element:     element,

+      tag:         'li',       // assumes li children, override with tag: 'tagname'

+      dropOnEmpty: false,

+      tree:        false,      // fixme: unimplemented

+      overlap:     'vertical', // one of 'vertical', 'horizontal'

+      constraint:  'vertical', // one of 'vertical', 'horizontal', false

+      containment: element,    // also takes array of elements (or id's); or false

+      handle:      false,      // or a CSS class

+      only:        false,

+      hoverclass:  null,

+      ghosting:    false,

+      format:      null,

+      onChange:    function() {},

+      onUpdate:    function() {}

+    }, arguments[1] || {});

+

+    // clear any old sortable with same element

+    this.destroy(element);

+

+    // build options for the draggables

+    var options_for_draggable = {

+      revert:      true,

+      ghosting:    options.ghosting,

+      constraint:  options.constraint,

+      handle:      options.handle };

+

+    if(options.starteffect)

+      options_for_draggable.starteffect = options.starteffect;

+

+    if(options.reverteffect)

+      options_for_draggable.reverteffect = options.reverteffect;

+    else

+      if(options.ghosting) options_for_draggable.reverteffect = function(element) {

+        element.style.top  = 0;

+        element.style.left = 0;

+      };

+

+    if(options.endeffect)

+      options_for_draggable.endeffect = options.endeffect;

+

+    if(options.zindex)

+      options_for_draggable.zindex = options.zindex;

+

+    // build options for the droppables  

+    var options_for_droppable = {

+      overlap:     options.overlap,

+      containment: options.containment,

+      hoverclass:  options.hoverclass,

+      onHover:     Sortable.onHover,

+      greedy:      !options.dropOnEmpty

+    }

+

+    // fix for gecko engine

+    Element.cleanWhitespace(element); 

+

+    options.draggables = [];

+    options.droppables = [];

+

+    // make it so

+

+    // drop on empty handling

+    if(options.dropOnEmpty) {

+      Droppables.add(element,

+        {containment: options.containment, onHover: Sortable.onEmptyHover, greedy: false});

+      options.droppables.push(element);

+    }

+

+    (this.findElements(element, options) || []).each( function(e) {

+      // handles are per-draggable

+      var handle = options.handle ? 

+        Element.Class.childrenWith(e, options.handle)[0] : e;    

+      options.draggables.push(

+        new Draggable(e, Object.extend(options_for_draggable, { handle: handle })));

+      Droppables.add(e, options_for_droppable);

+      options.droppables.push(e);      

+    });

+

+    // keep reference

+    this.sortables.push(options);

+

+    // for onupdate

+    Draggables.addObserver(new SortableObserver(element, options.onUpdate));

+

+  },

+

+  // return all suitable-for-sortable elements in a guaranteed order

+  findElements: function(element, options) {

+    if(!element.hasChildNodes()) return null;

+    var elements = [];

+    $A(element.childNodes).each( function(e) {

+      if(e.tagName && e.tagName==options.tag.toUpperCase() &&

+        (!options.only || (Element.Class.has(e, options.only))))

+          elements.push(e);

+      if(options.tree) {

+        var grandchildren = this.findElements(e, options);

+        if(grandchildren) elements.push(grandchildren);

+      }

+    });

+

+    return (elements.length>0 ? elements.flatten() : null);

+  },

+

+  onHover: function(element, dropon, overlap) {

+    if(overlap>0.5) {

+      Sortable.mark(dropon, 'before');

+      if(dropon.previousSibling != element) {

+        var oldParentNode = element.parentNode;

+        element.style.visibility = "hidden"; // fix gecko rendering

+        dropon.parentNode.insertBefore(element, dropon);

+        if(dropon.parentNode!=oldParentNode) 

+          Sortable.options(oldParentNode).onChange(element);

+        Sortable.options(dropon.parentNode).onChange(element);

+      }

+    } else {

+      Sortable.mark(dropon, 'after');

+      var nextElement = dropon.nextSibling || null;

+      if(nextElement != element) {

+        var oldParentNode = element.parentNode;

+        element.style.visibility = "hidden"; // fix gecko rendering

+        dropon.parentNode.insertBefore(element, nextElement);

+        if(dropon.parentNode!=oldParentNode) 

+          Sortable.options(oldParentNode).onChange(element);

+        Sortable.options(dropon.parentNode).onChange(element);

+      }

+    }

+  },

+

+  onEmptyHover: function(element, dropon) {

+    if(element.parentNode!=dropon) {

+      dropon.appendChild(element);

+    }

+  },

+

+  unmark: function() {

+    if(Sortable._marker) Element.hide(Sortable._marker);

+  },

+

+  mark: function(dropon, position) {

+    // mark on ghosting only

+    var sortable = Sortable.options(dropon.parentNode);

+    if(sortable && !sortable.ghosting) return; 

+

+    if(!Sortable._marker) {

+      Sortable._marker = $('dropmarker') || document.createElement('DIV');

+      Element.hide(Sortable._marker);

+      Element.Class.add(Sortable._marker, 'dropmarker');

+      Sortable._marker.style.position = 'absolute';

+      document.getElementsByTagName("body").item(0).appendChild(Sortable._marker);

+    }    

+    var offsets = Position.cumulativeOffset(dropon);

+    Sortable._marker.style.top  = offsets[1] + 'px';

+    if(position=='after') Sortable._marker.style.top = (offsets[1]+dropon.clientHeight) + 'px';

+    Sortable._marker.style.left = offsets[0] + 'px';

+    Element.show(Sortable._marker);

+  },

+

+  serialize: function(element) {

+    element = $(element);

+    var sortableOptions = this.options(element);

+    var options = Object.extend({

+      tag:  sortableOptions.tag,

+      only: sortableOptions.only,

+      name: element.id,

+      format: sortableOptions.format || /^[^_]*_(.*)$/

+    }, arguments[1] || {});

+    return $(this.findElements(element, options) || []).collect( function(item) {

+      return (encodeURIComponent(options.name) + "[]=" + 

+              encodeURIComponent(item.id.match(options.format) ? item.id.match(options.format)[1] : ''));

+    }).join("&");

+  }

+} 
\ No newline at end of file