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-rw-r--r--railties/html/javascripts/dragdrop.js105
1 files changed, 71 insertions, 34 deletions
diff --git a/railties/html/javascripts/dragdrop.js b/railties/html/javascripts/dragdrop.js
index 1528eced35..91088b53db 100644
--- a/railties/html/javascripts/dragdrop.js
+++ b/railties/html/javascripts/dragdrop.js
@@ -148,8 +148,16 @@ var Draggables = {
},
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() {
@@ -163,10 +171,15 @@ 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);
@@ -193,6 +206,7 @@ var Draggables = {
this.observers.each( function(o) {
if(o[eventName]) o[eventName](eventName, draggable, event);
});
+ if(draggable.options[eventName]) draggable.options[eventName](draggable, event);
},
_cacheObserverCallbacks: function() {
@@ -207,30 +221,25 @@ var Draggables = {
/*--------------------------------------------------------------------------*/
var Draggable = Class.create();
-Draggable._revertCache = {};
Draggable._dragging = {};
Draggable.prototype = {
initialize: function(element) {
- var options = Object.extend({
+ var defaults = {
handle: false,
- 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});
- },
reverteffect: function(element, top_offset, left_offset) {
var dur = Math.sqrt(Math.abs(top_offset^2)+Math.abs(left_offset^2))*0.02;
- Draggable._revertCache[element] =
- new Effect.Move(element, { x: -left_offset, y: -top_offset, duration: dur,
- queue: {scope:'_draggable', position:'end'}
- });
+ 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,
queue: {scope:'_draggable', position:'end'},
- afterFinish: function(){ Draggable._dragging[element] = false }
+ afterFinish: function(){
+ Draggable._dragging[element] = false
+ }
});
},
zindex: 1000,
@@ -238,8 +247,20 @@ Draggable.prototype = {
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] && typeof arguments[1].endeffect == 'undefined')
+ 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);
@@ -250,8 +271,10 @@ Draggable.prototype = {
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
@@ -277,7 +300,7 @@ Draggable.prototype = {
},
initDrag: function(event) {
- if(typeof Draggable._dragging[this.element] != undefined &&
+ if(typeof Draggable._dragging[this.element] != 'undefined' &&
Draggable._dragging[this.element]) return;
if(Event.isLeftClick(event)) {
// abort on form elements, fixes a Firefox issue
@@ -289,11 +312,6 @@ Draggable.prototype = {
src.tagName=='BUTTON' ||
src.tagName=='TEXTAREA')) return;
- if(Draggable._revertCache[this.element]) {
- Draggable._revertCache[this.element].cancel();
- Draggable._revertCache[this.element] = null;
- }
-
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]) });
@@ -329,6 +347,7 @@ Draggable.prototype = {
}
Draggables.notify('onStart', this, event);
+
if(this.options.starteffect) this.options.starteffect(this.element);
},
@@ -337,6 +356,7 @@ Draggable.prototype = {
Position.prepare();
Droppables.show(pointer, this.element);
Draggables.notify('onDrag', this, event);
+
this.draw(pointer);
if(this.options.change) this.options.change(this);
@@ -350,6 +370,10 @@ Draggable.prototype = {
p = Position.page(this.options.scroll);
p[0] += this.options.scroll.scrollLeft;
p[1] += this.options.scroll.scrollTop;
+
+ p[0] += (window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft || 0);
+ p[1] += (window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop || 0);
+
p.push(p[0]+this.options.scroll.offsetWidth);
p.push(p[1]+this.options.scroll.offsetHeight);
}
@@ -395,7 +419,7 @@ Draggable.prototype = {
if(this.options.endeffect)
this.options.endeffect(this.element);
-
+
Draggables.deactivate(this);
Droppables.reset();
},
@@ -415,10 +439,16 @@ Draggable.prototype = {
draw: function(point) {
var pos = Position.cumulativeOffset(this.element);
+ if(this.options.ghosting) {
+ var r = Position.realOffset(this.element);
+ window.status = r.inspect();
+ 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;
}
@@ -445,6 +475,7 @@ Draggable.prototype = {
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
},
@@ -482,14 +513,16 @@ Draggable.prototype = {
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 || $A(Draggables._lastPointer);
+ Draggables._lastScrollPointer[0] += this.scrollSpeed[0] * delta / 1000;
+ Draggables._lastScrollPointer[1] += this.scrollSpeed[1] * delta / 1000;
+ if (Draggables._lastScrollPointer[0] < 0)
+ Draggables._lastScrollPointer[0] = 0;
+ if (Draggables._lastScrollPointer[1] < 0)
+ Draggables._lastScrollPointer[1] = 0;
+ this.draw(Draggables._lastScrollPointer);
+ }
if(this.options.change) this.options.change(this);
},
@@ -541,6 +574,8 @@ SortableObserver.prototype = {
}
var Sortable = {
+ SERIALIZE_RULE: /^[^_\-](?:[A-Za-z0-9\-\_]*)[_](.*)$/,
+
sortables: {},
_findRootElement: function(element) {
@@ -581,12 +616,13 @@ 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,
scroll: false,
scrollSensitivity: 20,
scrollSpeed: 15,
- format: /^[^_]*_(.*)$/,
+ format: this.SERIALIZE_RULE,
onChange: Prototype.emptyFunction,
onUpdate: Prototype.emptyFunction
}, arguments[1] || {});
@@ -600,6 +636,7 @@ var Sortable = {
scroll: options.scroll,
scrollSpeed: options.scrollSpeed,
scrollSensitivity: options.scrollSensitivity,
+ delay: options.delay,
ghosting: options.ghosting,
constraint: options.constraint,
handle: options.handle };
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-29 13:57:19 +0000