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Posted to dev@tapestry.apache.org by hl...@apache.org on 2007/11/12 23:23:28 UTC
svn commit: r594319 [23/40] - in /tapestry/tapestry5/trunk: ./
tapestry-annotations/
tapestry-annotations/src/main/java/org/apache/tapestry/beaneditor/
tapestry-annotations/src/site/ tapestry-component-report/
tapestry-component-report/src/main/java/or...
Modified: tapestry/tapestry5/trunk/tapestry-core/src/main/resources/org/apache/tapestry/scriptaculous_1_8/dragdrop.js
URL: http://svn.apache.org/viewvc/tapestry/tapestry5/trunk/tapestry-core/src/main/resources/org/apache/tapestry/scriptaculous_1_8/dragdrop.js?rev=594319&r1=594318&r2=594319&view=diff
==============================================================================
--- tapestry/tapestry5/trunk/tapestry-core/src/main/resources/org/apache/tapestry/scriptaculous_1_8/dragdrop.js (original)
+++ tapestry/tapestry5/trunk/tapestry-core/src/main/resources/org/apache/tapestry/scriptaculous_1_8/dragdrop.js Mon Nov 12 14:22:31 2007
@@ -6,567 +6,704 @@
// 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");
+if (Object.isUndefined(Effect))
+ throw("dragdrop.js requires including script.aculo.us' effects.js library");
var Droppables = {
- drops: [],
+ 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,
- tree: false
- }, arguments[1] || { });
+ remove: function(element)
+ {
+ this.drops = this.drops.reject(function(d)
+ {
+ return d.element == $(element)
+ });
+ },
+
+ add: function(element)
+ {
+ element = $(element);
+ var options = Object.extend({
+ greedy: true,
+ hoverclass: null,
+ tree: false
+ }, arguments[1] || { });
// cache containers
- if(options.containment) {
- options._containers = [];
- var containment = options.containment;
- if(Object.isArray(containment)) {
- containment.each( function(c) { options._containers.push($(c)) });
- } else {
- options._containers.push($(containment));
- }
- }
-
- if(options.accept) options.accept = [options.accept].flatten();
+ if (options.containment)
+ {
+ options._containers = [];
+ var containment = options.containment;
+ if (Object.isArray(containment))
+ {
+ containment.each(function(c)
+ {
+ options._containers.push($(c))
+ });
+ }
+ else
+ {
+ options._containers.push($(containment));
+ }
+ }
- Element.makePositioned(element); // fix IE
- options.element = element;
+ if (options.accept) options.accept = [options.accept].flatten();
- 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;
- },
+ Element.makePositioned(element); // fix IE
+ options.element = element;
- isContained: function(element, drop) {
- var containmentNode;
- if(drop.tree) {
- 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(
- function(v) { return drop.accept.include(v) } ) )) &&
- Position.within(drop.element, point[0], point[1]) );
- },
-
- deactivate: function(drop) {
- if(drop.hoverclass)
- Element.removeClassName(drop.element, drop.hoverclass);
- this.last_active = null;
- },
-
- activate: function(drop) {
- if(drop.hoverclass)
- Element.addClassName(drop.element, drop.hoverclass);
- this.last_active = drop;
- },
-
- show: function(point, element) {
- if(!this.drops.length) return;
- var drop, affected = [];
-
- this.drops.each( function(drop) {
- if(Droppables.isAffected(point, element, drop))
- affected.push(drop);
- });
-
- 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));
-
- if (drop != this.last_active) Droppables.activate(drop);
- }
- },
+ this.drops.push(options);
+ },
- 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);
- return true;
- }
- },
-
- reset: function() {
- if(this.last_active)
- this.deactivate(this.last_active);
- }
+ 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;
+ }
+ 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(
+ function(v)
+ {
+ return drop.accept.include(v)
+ }) )) &&
+ Position.within(drop.element, point[0], point[1]) );
+ },
+
+ deactivate: function(drop)
+ {
+ if (drop.hoverclass)
+ Element.removeClassName(drop.element, drop.hoverclass);
+ this.last_active = null;
+ },
+
+ activate: function(drop)
+ {
+ if (drop.hoverclass)
+ Element.addClassName(drop.element, drop.hoverclass);
+ this.last_active = drop;
+ },
+
+ show: function(point, element)
+ {
+ if (!this.drops.length) return;
+ var drop, affected = [];
+
+ this.drops.each(function(drop)
+ {
+ if (Droppables.isAffected(point, element, drop))
+ affected.push(drop);
+ });
+
+ 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));
+
+ if (drop != this.last_active) Droppables.activate(drop);
+ }
+ },
+
+ 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);
+ 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) {
- 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)];
+ 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;
+ // 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;
+ });
}
- 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,
- 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.Move(element, { x: -left_offset, y: -top_offset, duration: dur,
- queue: {scope:'_draggable', position:'end'}
- });
- },
- endeffect: function(element) {
- 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] }
- 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});
+ initialize: function(element)
+ {
+ var defaults = {
+ handle: false,
+ 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.Move(element, { x: -left_offset, y: -top_offset, duration: dur,
+ queue: {scope:'_draggable', position:'end'}
+ });
+ },
+ endeffect: function(element)
+ {
+ 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] }
+ 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 && 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)
+ {
+ options.scroll = $(options.scroll);
+ this._isScrollChild = Element.childOf(this.element, options.scroll);
}
- });
-
- 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;
-
- 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.options = options;
+ this.dragging = false;
- this.options = options;
- this.dragging = false;
+ this.eventMouseDown = this.initDrag.bindAsEventListener(this);
+ Event.observe(this.handle, "mousedown", this.eventMouseDown);
- 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;
- }
-
- if(this.options.ghosting) {
- this._clone = this.element.cloneNode(true);
- this.element._originallyAbsolute = (this.element.getStyle('position') == 'absolute');
- if (!this.element._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);
- this.originalScrollLeft = where.left;
- this.originalScrollTop = where.top;
- } else {
- this.originalScrollLeft = this.options.scroll.scrollLeft;
- 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);
-
- 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 + 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);
- }
- var speed = [0,0];
- if(pointer[0] < (p[0]+this.options.scrollSensitivity)) speed[0] = pointer[0]-(p[0]+this.options.scrollSensitivity);
- if(pointer[1] < (p[1]+this.options.scrollSensitivity)) speed[1] = pointer[1]-(p[1]+this.options.scrollSensitivity);
- if(pointer[0] > (p[2]-this.options.scrollSensitivity)) speed[0] = pointer[0]-(p[2]-this.options.scrollSensitivity);
- if(pointer[1] > (p[3]-this.options.scrollSensitivity)) speed[1] = pointer[1]-(p[3]-this.options.scrollSensitivity);
- this.startScrolling(speed);
- }
+ 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;
+ }
+
+ if (this.options.ghosting)
+ {
+ this._clone = this.element.cloneNode(true);
+ this.element._originallyAbsolute = (this.element.getStyle('position') == 'absolute');
+ if (!this.element._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);
+ this.originalScrollLeft = where.left;
+ this.originalScrollTop = where.top;
+ }
+ else
+ {
+ this.originalScrollLeft = this.options.scroll.scrollLeft;
+ 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);
+
+ 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 + 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);
+ }
+ var speed = [0,0];
+ if (pointer[0] < (p[0] + this.options.scrollSensitivity)) speed[0] = pointer[0] - (p[0] + this.options.scrollSensitivity);
+ if (pointer[1] < (p[1] + this.options.scrollSensitivity)) speed[1] = pointer[1] - (p[1] + this.options.scrollSensitivity);
+ if (pointer[0] > (p[2] - this.options.scrollSensitivity)) speed[0] = pointer[0] - (p[2] - this.options.scrollSensitivity);
+ if (pointer[1] > (p[3] - this.options.scrollSensitivity)) speed[1] = pointer[1] - (p[3] - this.options.scrollSensitivity);
+ this.startScrolling(speed);
+ }
// fix AppleWebKit rendering
- 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 (Prototype.Browser.WebKit) window.scrollBy(0, 0);
- if(this.options.ghosting) {
- if (!this.element._originallyAbsolute)
- Position.relativize(this.element);
- delete this.element._originallyAbsolute;
- Element.remove(this._clone);
- this._clone = null;
- }
+ Event.stop(event);
+ },
- 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);
+ 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);
+ }
- var revert = this.options.revert;
- if(revert && Object.isFunction(revert)) revert = revert(this.element);
-
- var d = this.currentDelta();
- if(revert && this.options.reverteffect) {
- if (dropped == 0 || revert != 'failure')
- this.options.reverteffect(this.element,
- d[1]-this.delta[1], d[0]-this.delta[0]);
- } else {
- this.delta = d;
- }
+ if (this.options.ghosting)
+ {
+ if (!this.element._originallyAbsolute)
+ Position.relativize(this.element);
+ delete this.element._originallyAbsolute;
+ Element.remove(this._clone);
+ this._clone = null;
+ }
- if(this.options.zindex)
- this.element.style.zIndex = this.originalZ;
+ 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);
- 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 && 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])
- }.bind(this));
-
- if(this.options.snap) {
- if(Object.isFunction(this.options.snap)) {
- p = this.options.snap(p[0],p[1],this);
- } else {
- if(Object.isArray(this.options.snap)) {
- p = p.map( function(v, i) {
- return (v/this.options.snap[i]).round()*this.options.snap[i] }.bind(this))
- } else {
- p = p.map( function(v) {
- 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);
- this.scrollInterval = null;
- 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;
- this.lastScrolled = current;
- if(this.options.scroll == window) {
- with (this._getWindowScroll(this.options.scroll)) {
- if (this.scrollSpeed[0] || this.scrollSpeed[1]) {
- var d = delta / 1000;
- this.options.scroll.scrollTo( left + d*this.scrollSpeed[0], top + d*this.scrollSpeed[1] );
- }
- }
- } else {
- 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);
- 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) {
- if (w.document.documentElement && documentElement.scrollTop) {
- T = documentElement.scrollTop;
- L = documentElement.scrollLeft;
- } else if (w.document.body) {
- T = body.scrollTop;
- L = body.scrollLeft;
- }
- if (w.innerWidth) {
- W = w.innerWidth;
- H = w.innerHeight;
- } else if (w.document.documentElement && documentElement.clientWidth) {
- W = documentElement.clientWidth;
- H = documentElement.clientHeight;
- } else {
- W = body.offsetWidth;
- H = body.offsetHeight
- }
+ var revert = this.options.revert;
+ if (revert && Object.isFunction(revert)) revert = revert(this.element);
+
+ var d = this.currentDelta();
+ if (revert && this.options.reverteffect)
+ {
+ if (dropped == 0 || revert != 'failure')
+ this.options.reverteffect(this.element,
+ d[1] - this.delta[1], d[0] - this.delta[0]);
+ }
+ else
+ {
+ this.delta = d;
+ }
+
+ if (this.options.zindex)
+ this.element.style.zIndex = this.originalZ;
+
+ 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 && 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])
+ }.bind(this));
+
+ if (this.options.snap)
+ {
+ if (Object.isFunction(this.options.snap))
+ {
+ p = this.options.snap(p[0], p[1], this);
+ }
+ else
+ {
+ if (Object.isArray(this.options.snap))
+ {
+ p = p.map(function(v, i)
+ {
+ return (v / this.options.snap[i]).round() * this.options.snap[i]
+ }.bind(this))
+ }
+ else
+ {
+ p = p.map(function(v)
+ {
+ 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);
+ this.scrollInterval = null;
+ 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;
+ this.lastScrolled = current;
+ if (this.options.scroll == window)
+ {
+ with (this._getWindowScroll(this.options.scroll))
+ {
+ if (this.scrollSpeed[0] || this.scrollSpeed[1])
+ {
+ var d = delta / 1000;
+ this.options.scroll.scrollTo(left + d * this.scrollSpeed[0], top + d * this.scrollSpeed[1]);
+ }
+ }
+ }
+ else
+ {
+ 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);
+ 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)
+ {
+ if (w.document.documentElement && documentElement.scrollTop)
+ {
+ T = documentElement.scrollTop;
+ L = documentElement.scrollLeft;
+ }
+ else if (w.document.body)
+ {
+ T = body.scrollTop;
+ L = body.scrollLeft;
+ }
+ if (w.innerWidth)
+ {
+ W = w.innerWidth;
+ H = w.innerHeight;
+ }
+ else if (w.document.documentElement && documentElement.clientWidth)
+ {
+ W = documentElement.clientWidth;
+ H = documentElement.clientHeight;
+ }
+ else
+ {
+ W = body.offsetWidth;
+ H = body.offsetHeight
+ }
+ }
+ return { top: T, left: L, width: W, height: H };
}
- return { top: T, left: L, width: W, height: H };
- }
});
Draggable._dragging = { };
@@ -574,401 +711,464 @@
/*--------------------------------------------------------------------------*/
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)
- }
+ initialize: function(element, observer)
+ {
+ this.element = $(element);
+ this.observer = observer;
+ this.lastValue = Sortable.serialize(this.element);
+ },
+
+ onStart: function()
+ {
+ this.lastValue = Sortable.serialize(this.element);
+ },
+
+ onEnd: function()
+ {
+ Sortable.unmark();
+ if (this.lastValue != Sortable.serialize(this.element))
+ this.observer(this.element)
+ }
});
var Sortable = {
- SERIALIZE_RULE: /^[^_\-](?:[A-Za-z0-9\-\_]*)[_](.*)$/,
-
- sortables: { },
-
- _findRootElement: function(element) {
- while (element.tagName.toUpperCase() != "BODY") {
- if(element.id && Sortable.sortables[element.id]) return element;
- element = element.parentNode;
- }
- },
+ SERIALIZE_RULE: /^[^_\-](?:[A-Za-z0-9\-\_]*)[_](.*)$/,
- options: function(element) {
- element = Sortable._findRootElement($(element));
- if(!element) return;
- return Sortable.sortables[element.id];
- },
-
- destroy: function(element){
- var s = Sortable.options(element);
-
- if(s) {
- Draggables.removeObserver(s.element);
- s.droppables.each(function(d){ Droppables.remove(d) });
- s.draggables.invoke('destroy');
-
- delete Sortable.sortables[s.element.id];
- }
- },
+ sortables: { },
+
+ _findRootElement: function(element)
+ {
+ while (element.tagName.toUpperCase() != "BODY")
+ {
+ if (element.id && Sortable.sortables[element.id]) return element;
+ element = element.parentNode;
+ }
+ },
- create: function(element) {
- element = $(element);
- var options = Object.extend({
- element: element,
- tag: 'li', // assumes li children, override with tag: 'tagname'
- dropOnEmpty: false,
- tree: false,
- treeTag: 'ul',
- overlap: 'vertical', // one of 'vertical', 'horizontal'
- constraint: 'vertical', // one of 'vertical', 'horizontal', false
- containment: element, // also takes array of elements (or id's); or false
- handle: false, // or a CSS class
- only: false,
- delay: 0,
- hoverclass: null,
- ghosting: false,
- quiet: false,
- scroll: false,
- scrollSensitivity: 20,
- scrollSpeed: 15,
- format: this.SERIALIZE_RULE,
-
- // these take arrays of elements or ids and can be
- // used for better initialization performance
- elements: false,
- handles: false,
-
- onChange: Prototype.emptyFunction,
- onUpdate: Prototype.emptyFunction
- }, arguments[1] || { });
+ options: function(element)
+ {
+ element = Sortable._findRootElement($(element));
+ if (!element) return;
+ return Sortable.sortables[element.id];
+ },
+
+ destroy: function(element)
+ {
+ var s = Sortable.options(element);
+
+ 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({
+ element: element,
+ tag: 'li', // assumes li children, override with tag: 'tagname'
+ dropOnEmpty: false,
+ tree: false,
+ treeTag: 'ul',
+ 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,
+ delay: 0,
+ hoverclass: null,
+ ghosting: false,
+ quiet: false,
+ scroll: false,
+ scrollSensitivity: 20,
+ scrollSpeed: 15,
+ 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] || { });
// clear any old sortable with same element
- this.destroy(element);
+ this.destroy(element);
// 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 };
-
- 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;
- };
+ 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 };
+
+ 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.endeffect)
+ options_for_draggable.endeffect = options.endeffect;
- if(options.zindex)
- options_for_draggable.zindex = options.zindex;
+ if (options.zindex)
+ options_for_draggable.zindex = options.zindex;
// build options for the droppables
- var options_for_droppable = {
- overlap: options.overlap,
- containment: options.containment,
- tree: options.tree,
- hoverclass: options.hoverclass,
- onHover: Sortable.onHover
- }
-
- var options_for_tree = {
- onHover: Sortable.onEmptyHover,
- overlap: options.overlap,
- containment: options.containment,
- hoverclass: options.hoverclass
- }
+ var options_for_droppable = {
+ overlap: options.overlap,
+ containment: options.containment,
+ tree: options.tree,
+ hoverclass: options.hoverclass,
+ onHover: Sortable.onHover
+ }
+
+ 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 = [];
+ options.draggables = [];
+ options.droppables = [];
// drop on empty handling
- if(options.dropOnEmpty || options.tree) {
- Droppables.add(element, options_for_tree);
- options.droppables.push(element);
- }
+ if (options.dropOnEmpty || options.tree)
+ {
+ Droppables.add(element, options_for_tree);
+ options.droppables.push(element);
+ }
- (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);
- });
-
- if(options.tree) {
- (Sortable.findTreeElements(element, options) || []).each( function(e) {
- Droppables.add(e, options_for_tree);
- e.treeNode = element;
- options.droppables.push(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);
+ });
+
+ if (options.tree)
+ {
+ (Sortable.findTreeElements(element, options) || []).each(function(e)
+ {
+ Droppables.add(e, options_for_tree);
+ e.treeNode = element;
+ options.droppables.push(e);
+ });
+ }
// keep reference
- this.sortables[element.id] = options;
+ this.sortables[element.id] = options;
// for onupdate
- Draggables.addObserver(new SortableObserver(element, options.onUpdate));
+ Draggables.addObserver(new SortableObserver(element, options.onUpdate));
- },
+ },
- // return all suitable-for-sortable elements in a guaranteed order
- findElements: function(element, options) {
- 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);
- },
-
- onHover: function(element, dropon, overlap) {
- if(Element.isParent(dropon, element)) return;
-
- if(overlap > .33 && overlap < .66 && Sortable.options(dropon).tree) {
- return;
- } else 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) {
+// return all suitable-for-sortable elements in a guaranteed order
+ findElements: function(element, options)
+ {
+ 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);
+ },
+
+ onHover: function(element, dropon, overlap)
+ {
+ if (Element.isParent(dropon, element)) return;
+
+ if (overlap > .33 && overlap < .66 && Sortable.options(dropon).tree)
+ {
+ return;
+ }
+ else 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, overlap)
+ {
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, 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, 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);
- } else if (offset - (Element.offsetSize (children[index], droponOptions.overlap) / 2) >= 0) {
- child = index + 1 < children.length ? children[index + 1] : null;
- break;
- } else {
- child = children[index];
- break;
- }
- }
- }
-
- dropon.insertBefore(element, child);
-
- Sortable.options(oldParentNode).onChange(element);
- droponOptions.onChange(element);
- }
- },
+ var droponOptions = Sortable.options(dropon);
- unmark: function() {
- 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._marker) {
- 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.setStyle({left: offsets[0]+'px', top: offsets[1] + 'px'});
-
- if(position=='after')
- if(sortable.overlap == 'horizontal')
- Sortable._marker.setStyle({left: (offsets[0]+dropon.clientWidth) + 'px'});
- else
- 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: [],
- position: parent.children.length,
- 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)
-
- parent.children.push (child);
- }
+ if (!Element.isParent(dropon, element))
+ {
+ var index;
+
+ 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);
+ }
+ else if (offset - (Element.offsetSize(children[index], droponOptions.overlap) / 2) >= 0)
+ {
+ child = index + 1 < children.length ? children[index + 1] : null;
+ break;
+ }
+ else
+ {
+ child = children[index];
+ break;
+ }
+ }
+ }
- return parent;
- },
+ dropon.insertBefore(element, child);
- tree: function(element) {
- element = $(element);
- var sortableOptions = this.options(element);
- var options = Object.extend({
- tag: sortableOptions.tag,
- treeTag: sortableOptions.treeTag,
- only: sortableOptions.only,
- name: element.id,
- format: sortableOptions.format
- }, arguments[1] || { });
-
- var root = {
- id: null,
- parent: null,
- children: [],
- container: element,
- position: 0
- }
-
- return Sortable._tree(element, options, root);
- },
+ Sortable.options(oldParentNode).onChange(element);
+ droponOptions.onChange(element);
+ }
+ },
- /* Construct a [i] index for a particular node */
- _constructIndex: function(node) {
- var index = '';
- do {
- if (node.id) index = '[' + node.position + ']' + index;
- } while ((node = node.parent) != null);
- return index;
- },
-
- sequence: function(element) {
- element = $(element);
- var options = Object.extend(this.options(element), arguments[1] || { });
-
- return $(this.findElements(element, options) || []).map( function(item) {
- return item.id.match(options.format) ? item.id.match(options.format)[1] : '';
- });
- },
+ unmark: function()
+ {
+ if (Sortable._marker) Sortable._marker.hide();
+ },
+
+ mark: function(dropon, position)
+ {
+ // mark on ghosting only
+ var sortable = Sortable.options(dropon.parentNode);
+ if (sortable && !sortable.ghosting) return;
+
+ if (!Sortable._marker)
+ {
+ Sortable._marker =
+ ($('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.setStyle({left: offsets[0] + 'px', top: offsets[1] + 'px'});
- setSequence: function(element, new_sequence) {
- element = $(element);
- 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) {
- n[1].appendChild(n[0]);
- delete nodeMap[ident];
- }
- });
- },
-
- serialize: function(element) {
- element = $(element);
- 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) + "[id]=" +
- encodeURIComponent(item.id)].concat(item.children.map(arguments.callee));
- }).flatten().join('&');
- } else {
- return Sortable.sequence(element, arguments[1]).map( function(item) {
- return name + "[]=" + encodeURIComponent(item);
- }).join('&');
+ if (position == 'after')
+ if (sortable.overlap == 'horizontal')
+ Sortable._marker.setStyle({left: (offsets[0] + dropon.clientWidth) + 'px'});
+ else
+ 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: [],
+ position: parent.children.length,
+ 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)
+
+ parent.children.push(child);
+ }
+
+ return parent;
+ },
+
+ tree: function(element)
+ {
+ element = $(element);
+ var sortableOptions = this.options(element);
+ var options = Object.extend({
+ tag: sortableOptions.tag,
+ treeTag: sortableOptions.treeTag,
+ only: sortableOptions.only,
+ name: element.id,
+ format: sortableOptions.format
+ }, arguments[1] || { });
+
+ var root = {
+ id: null,
+ parent: null,
+ children: [],
+ container: element,
+ position: 0
+ }
+
+ return Sortable._tree(element, options, root);
+ },
+
+/* Construct a [i] index for a particular node */
+ _constructIndex: function(node)
+ {
+ var index = '';
+ do {
+ if (node.id) index = '[' + node.position + ']' + index;
+ } while ((node = node.parent) != null);
+ return index;
+ },
+
+ sequence: function(element)
+ {
+ element = $(element);
+ 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] : '';
+ });
+ },
+
+ setSequence: function(element, new_sequence)
+ {
+ element = $(element);
+ 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)
+ {
+ n[1].appendChild(n[0]);
+ delete nodeMap[ident];
+ }
+ });
+ },
+
+ serialize: function(element)
+ {
+ element = $(element);
+ 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) + "[id]=" +
+ encodeURIComponent(item.id)].concat(item.children.map(arguments.callee));
+ }).flatten().join('&');
+ }
+ else
+ {
+ return Sortable.sequence(element, arguments[1]).map(function(item)
+ {
+ return name + "[]=" + encodeURIComponent(item);
+ }).join('&');
+ }
}
- }
}
// 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.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) {
- if(!element.hasChildNodes()) return null;
- tagName = tagName.toUpperCase();
- if(only) only = [only].flatten();
- var elements = [];
- $A(element.childNodes).each( function(e) {
- if(e.tagName && e.tagName.toUpperCase()==tagName &&
- (!only || (Element.classNames(e).detect(function(v) { return only.include(v) }))))
- elements.push(e);
- if(recursive) {
- var grandchildren = Element.findChildren(e, only, recursive, tagName);
- if(grandchildren) elements.push(grandchildren);
- }
- });
+Element.findChildren = function(element, only, recursive, tagName)
+{
+ if (!element.hasChildNodes()) return null;
+ tagName = tagName.toUpperCase();
+ if (only) only = [only].flatten();
+ var elements = [];
+ $A(element.childNodes).each(function(e)
+ {
+ if (e.tagName && e.tagName.toUpperCase() == tagName &&
+ (!only || (Element.classNames(e).detect(function(v)
+ {
+ return only.include(v)
+ }))))
+ elements.push(e);
+ if (recursive)
+ {
+ var grandchildren = Element.findChildren(e, only, recursive, tagName);
+ if (grandchildren) elements.push(grandchildren);
+ }
+ });
- return (elements.length>0 ? elements.flatten() : []);
+ return (elements.length > 0 ? elements.flatten() : []);
}
-Element.offsetSize = function (element, type) {
- return element['offset' + ((type=='vertical' || type=='height') ? 'Height' : 'Width')];
+Element.offsetSize = function (element, type)
+{
+ return element['offset' + ((type == 'vertical' || type == 'height') ? 'Height' : 'Width')];
}