feat: #8734 remove unused files
parent
cc705e5e2b
commit
c721625a95
@ -1,402 +0,0 @@
|
|||||||
/*!
|
|
||||||
* jquery.event.drag - v 2.2
|
|
||||||
* Copyright (c) 2010 Three Dub Media - http://threedubmedia.com
|
|
||||||
* Open Source MIT License - http://threedubmedia.com/code/license
|
|
||||||
*/
|
|
||||||
// Created: 2008-06-04
|
|
||||||
// Updated: 2012-05-21
|
|
||||||
// REQUIRES: jquery 1.7.x
|
|
||||||
|
|
||||||
;(function( $ ){
|
|
||||||
|
|
||||||
// add the jquery instance method
|
|
||||||
$.fn.drag = function( str, arg, opts ){
|
|
||||||
// figure out the event type
|
|
||||||
var type = typeof str == "string" ? str : "",
|
|
||||||
// figure out the event handler...
|
|
||||||
fn = $.isFunction( str ) ? str : $.isFunction( arg ) ? arg : null;
|
|
||||||
// fix the event type
|
|
||||||
if ( type.indexOf("drag") !== 0 )
|
|
||||||
type = "drag"+ type;
|
|
||||||
// were options passed
|
|
||||||
opts = ( str == fn ? arg : opts ) || {};
|
|
||||||
// trigger or bind event handler
|
|
||||||
return fn ? this.bind( type, opts, fn ) : this.trigger( type );
|
|
||||||
};
|
|
||||||
|
|
||||||
// local refs (increase compression)
|
|
||||||
var $event = $.event,
|
|
||||||
$special = $event.special,
|
|
||||||
// configure the drag special event
|
|
||||||
drag = $special.drag = {
|
|
||||||
|
|
||||||
// these are the default settings
|
|
||||||
defaults: {
|
|
||||||
which: 1, // mouse button pressed to start drag sequence
|
|
||||||
distance: 0, // distance dragged before dragstart
|
|
||||||
not: ':input', // selector to suppress dragging on target elements
|
|
||||||
handle: null, // selector to match handle target elements
|
|
||||||
relative: false, // true to use "position", false to use "offset"
|
|
||||||
drop: true, // false to suppress drop events, true or selector to allow
|
|
||||||
click: false // false to suppress click events after dragend (no proxy)
|
|
||||||
},
|
|
||||||
|
|
||||||
// the key name for stored drag data
|
|
||||||
datakey: "dragdata",
|
|
||||||
|
|
||||||
// prevent bubbling for better performance
|
|
||||||
noBubble: true,
|
|
||||||
|
|
||||||
// count bound related events
|
|
||||||
add: function( obj ){
|
|
||||||
// read the interaction data
|
|
||||||
var data = $.data( this, drag.datakey ),
|
|
||||||
// read any passed options
|
|
||||||
opts = obj.data || {};
|
|
||||||
// count another realted event
|
|
||||||
data.related += 1;
|
|
||||||
// extend data options bound with this event
|
|
||||||
// don't iterate "opts" in case it is a node
|
|
||||||
$.each( drag.defaults, function( key, def ){
|
|
||||||
if ( opts[ key ] !== undefined )
|
|
||||||
data[ key ] = opts[ key ];
|
|
||||||
});
|
|
||||||
},
|
|
||||||
|
|
||||||
// forget unbound related events
|
|
||||||
remove: function(){
|
|
||||||
$.data( this, drag.datakey ).related -= 1;
|
|
||||||
},
|
|
||||||
|
|
||||||
// configure interaction, capture settings
|
|
||||||
setup: function(){
|
|
||||||
// check for related events
|
|
||||||
if ( $.data( this, drag.datakey ) )
|
|
||||||
return;
|
|
||||||
// initialize the drag data with copied defaults
|
|
||||||
var data = $.extend({ related:0 }, drag.defaults );
|
|
||||||
// store the interaction data
|
|
||||||
$.data( this, drag.datakey, data );
|
|
||||||
// bind the mousedown event, which starts drag interactions
|
|
||||||
$event.add( this, "touchstart mousedown", drag.init, data );
|
|
||||||
// prevent image dragging in IE...
|
|
||||||
if ( this.attachEvent )
|
|
||||||
this.attachEvent("ondragstart", drag.dontstart );
|
|
||||||
},
|
|
||||||
|
|
||||||
// destroy configured interaction
|
|
||||||
teardown: function(){
|
|
||||||
var data = $.data( this, drag.datakey ) || {};
|
|
||||||
// check for related events
|
|
||||||
if ( data.related )
|
|
||||||
return;
|
|
||||||
// remove the stored data
|
|
||||||
$.removeData( this, drag.datakey );
|
|
||||||
// remove the mousedown event
|
|
||||||
$event.remove( this, "touchstart mousedown", drag.init );
|
|
||||||
// enable text selection
|
|
||||||
drag.textselect( true );
|
|
||||||
// un-prevent image dragging in IE...
|
|
||||||
if ( this.detachEvent )
|
|
||||||
this.detachEvent("ondragstart", drag.dontstart );
|
|
||||||
},
|
|
||||||
|
|
||||||
// initialize the interaction
|
|
||||||
init: function( event ){
|
|
||||||
// sorry, only one touch at a time
|
|
||||||
if ( drag.touched )
|
|
||||||
return;
|
|
||||||
// the drag/drop interaction data
|
|
||||||
var dd = event.data, results;
|
|
||||||
// check the which directive
|
|
||||||
if ( event.which != 0 && dd.which > 0 && event.which != dd.which )
|
|
||||||
return;
|
|
||||||
// check for suppressed selector
|
|
||||||
if ( $( event.target ).is( dd.not ) )
|
|
||||||
return;
|
|
||||||
// check for handle selector
|
|
||||||
if ( dd.handle && !$( event.target ).closest( dd.handle, event.currentTarget ).length )
|
|
||||||
return;
|
|
||||||
|
|
||||||
drag.touched = event.type == 'touchstart' ? this : null;
|
|
||||||
dd.propagates = 1;
|
|
||||||
dd.mousedown = this;
|
|
||||||
dd.interactions = [ drag.interaction( this, dd ) ];
|
|
||||||
dd.target = event.target;
|
|
||||||
dd.pageX = event.pageX;
|
|
||||||
dd.pageY = event.pageY;
|
|
||||||
dd.dragging = null;
|
|
||||||
// handle draginit event...
|
|
||||||
results = drag.hijack( event, "draginit", dd );
|
|
||||||
// early cancel
|
|
||||||
if ( !dd.propagates )
|
|
||||||
return;
|
|
||||||
// flatten the result set
|
|
||||||
results = drag.flatten( results );
|
|
||||||
// insert new interaction elements
|
|
||||||
if ( results && results.length ){
|
|
||||||
dd.interactions = [];
|
|
||||||
$.each( results, function(){
|
|
||||||
dd.interactions.push( drag.interaction( this, dd ) );
|
|
||||||
});
|
|
||||||
}
|
|
||||||
// remember how many interactions are propagating
|
|
||||||
dd.propagates = dd.interactions.length;
|
|
||||||
// locate and init the drop targets
|
|
||||||
if ( dd.drop !== false && $special.drop )
|
|
||||||
$special.drop.handler( event, dd );
|
|
||||||
// disable text selection
|
|
||||||
drag.textselect( false );
|
|
||||||
// bind additional events...
|
|
||||||
if ( drag.touched )
|
|
||||||
$event.add( drag.touched, "touchmove touchend", drag.handler, dd );
|
|
||||||
else
|
|
||||||
$event.add( document, "mousemove mouseup", drag.handler, dd );
|
|
||||||
// helps prevent text selection or scrolling
|
|
||||||
if ( !drag.touched || dd.live )
|
|
||||||
return false;
|
|
||||||
},
|
|
||||||
|
|
||||||
// returns an interaction object
|
|
||||||
interaction: function( elem, dd ){
|
|
||||||
var offset = $( elem )[ dd.relative ? "position" : "offset" ]() || { top:0, left:0 };
|
|
||||||
return {
|
|
||||||
drag: elem,
|
|
||||||
callback: new drag.callback(),
|
|
||||||
droppable: [],
|
|
||||||
offset: offset
|
|
||||||
};
|
|
||||||
},
|
|
||||||
|
|
||||||
// handle drag-releatd DOM events
|
|
||||||
handler: function( event ){
|
|
||||||
// read the data before hijacking anything
|
|
||||||
var dd = event.data;
|
|
||||||
// handle various events
|
|
||||||
switch ( event.type ){
|
|
||||||
// mousemove, check distance, start dragging
|
|
||||||
case !dd.dragging && 'touchmove':
|
|
||||||
event.preventDefault();
|
|
||||||
case !dd.dragging && 'mousemove':
|
|
||||||
// drag tolerance, x² + y² = distance²
|
|
||||||
if ( Math.pow( event.pageX-dd.pageX, 2 ) + Math.pow( event.pageY-dd.pageY, 2 ) < Math.pow( dd.distance, 2 ) )
|
|
||||||
break; // distance tolerance not reached
|
|
||||||
event.target = dd.target; // force target from "mousedown" event (fix distance issue)
|
|
||||||
drag.hijack( event, "dragstart", dd ); // trigger "dragstart"
|
|
||||||
if ( dd.propagates ) // "dragstart" not rejected
|
|
||||||
dd.dragging = true; // activate interaction
|
|
||||||
// mousemove, dragging
|
|
||||||
case 'touchmove':
|
|
||||||
event.preventDefault();
|
|
||||||
case 'mousemove':
|
|
||||||
if ( dd.dragging ){
|
|
||||||
// trigger "drag"
|
|
||||||
drag.hijack( event, "drag", dd );
|
|
||||||
if ( dd.propagates ){
|
|
||||||
// manage drop events
|
|
||||||
if ( dd.drop !== false && $special.drop )
|
|
||||||
$special.drop.handler( event, dd ); // "dropstart", "dropend"
|
|
||||||
break; // "drag" not rejected, stop
|
|
||||||
}
|
|
||||||
event.type = "mouseup"; // helps "drop" handler behave
|
|
||||||
}
|
|
||||||
// mouseup, stop dragging
|
|
||||||
case 'touchend':
|
|
||||||
case 'mouseup':
|
|
||||||
default:
|
|
||||||
if ( drag.touched )
|
|
||||||
$event.remove( drag.touched, "touchmove touchend", drag.handler ); // remove touch events
|
|
||||||
else
|
|
||||||
$event.remove( document, "mousemove mouseup", drag.handler ); // remove page events
|
|
||||||
if ( dd.dragging ){
|
|
||||||
if ( dd.drop !== false && $special.drop )
|
|
||||||
$special.drop.handler( event, dd ); // "drop"
|
|
||||||
drag.hijack( event, "dragend", dd ); // trigger "dragend"
|
|
||||||
}
|
|
||||||
drag.textselect( true ); // enable text selection
|
|
||||||
// if suppressing click events...
|
|
||||||
if ( dd.click === false && dd.dragging )
|
|
||||||
$.data( dd.mousedown, "suppress.click", new Date().getTime() + 5 );
|
|
||||||
dd.dragging = drag.touched = false; // deactivate element
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
},
|
|
||||||
|
|
||||||
// re-use event object for custom events
|
|
||||||
hijack: function( event, type, dd, x, elem ){
|
|
||||||
// not configured
|
|
||||||
if ( !dd )
|
|
||||||
return;
|
|
||||||
// remember the original event and type
|
|
||||||
var orig = { event:event.originalEvent, type:event.type },
|
|
||||||
// is the event drag related or drog related?
|
|
||||||
mode = type.indexOf("drop") ? "drag" : "drop",
|
|
||||||
// iteration vars
|
|
||||||
result, i = x || 0, ia, $elems, callback,
|
|
||||||
len = !isNaN( x ) ? x : dd.interactions.length;
|
|
||||||
// modify the event type
|
|
||||||
event.type = type;
|
|
||||||
// remove the original event
|
|
||||||
event.originalEvent = null;
|
|
||||||
// initialize the results
|
|
||||||
dd.results = [];
|
|
||||||
// handle each interacted element
|
|
||||||
do if ( ia = dd.interactions[ i ] ){
|
|
||||||
// validate the interaction
|
|
||||||
if ( type !== "dragend" && ia.cancelled )
|
|
||||||
continue;
|
|
||||||
// set the dragdrop properties on the event object
|
|
||||||
callback = drag.properties( event, dd, ia );
|
|
||||||
// prepare for more results
|
|
||||||
ia.results = [];
|
|
||||||
// handle each element
|
|
||||||
$( elem || ia[ mode ] || dd.droppable ).each(function( p, subject ){
|
|
||||||
// identify drag or drop targets individually
|
|
||||||
callback.target = subject;
|
|
||||||
// force propagtion of the custom event
|
|
||||||
event.isPropagationStopped = function(){ return false; };
|
|
||||||
// handle the event
|
|
||||||
result = subject ? $event.dispatch.call( subject, event, callback ) : null;
|
|
||||||
// stop the drag interaction for this element
|
|
||||||
if ( result === false ){
|
|
||||||
if ( mode == "drag" ){
|
|
||||||
ia.cancelled = true;
|
|
||||||
dd.propagates -= 1;
|
|
||||||
}
|
|
||||||
if ( type == "drop" ){
|
|
||||||
ia[ mode ][p] = null;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
// assign any dropinit elements
|
|
||||||
else if ( type == "dropinit" )
|
|
||||||
ia.droppable.push( drag.element( result ) || subject );
|
|
||||||
// accept a returned proxy element
|
|
||||||
if ( type == "dragstart" )
|
|
||||||
ia.proxy = $( drag.element( result ) || ia.drag )[0];
|
|
||||||
// remember this result
|
|
||||||
ia.results.push( result );
|
|
||||||
// forget the event result, for recycling
|
|
||||||
delete event.result;
|
|
||||||
// break on cancelled handler
|
|
||||||
if ( type !== "dropinit" )
|
|
||||||
return result;
|
|
||||||
});
|
|
||||||
// flatten the results
|
|
||||||
dd.results[ i ] = drag.flatten( ia.results );
|
|
||||||
// accept a set of valid drop targets
|
|
||||||
if ( type == "dropinit" )
|
|
||||||
ia.droppable = drag.flatten( ia.droppable );
|
|
||||||
// locate drop targets
|
|
||||||
if ( type == "dragstart" && !ia.cancelled )
|
|
||||||
callback.update();
|
|
||||||
}
|
|
||||||
while ( ++i < len )
|
|
||||||
// restore the original event & type
|
|
||||||
event.type = orig.type;
|
|
||||||
event.originalEvent = orig.event;
|
|
||||||
// return all handler results
|
|
||||||
return drag.flatten( dd.results );
|
|
||||||
},
|
|
||||||
|
|
||||||
// extend the callback object with drag/drop properties...
|
|
||||||
properties: function( event, dd, ia ){
|
|
||||||
var obj = ia.callback;
|
|
||||||
// elements
|
|
||||||
obj.drag = ia.drag;
|
|
||||||
obj.proxy = ia.proxy || ia.drag;
|
|
||||||
// starting mouse position
|
|
||||||
obj.startX = dd.pageX;
|
|
||||||
obj.startY = dd.pageY;
|
|
||||||
// current distance dragged
|
|
||||||
obj.deltaX = event.pageX - dd.pageX;
|
|
||||||
obj.deltaY = event.pageY - dd.pageY;
|
|
||||||
// original element position
|
|
||||||
obj.originalX = ia.offset.left;
|
|
||||||
obj.originalY = ia.offset.top;
|
|
||||||
// adjusted element position
|
|
||||||
obj.offsetX = obj.originalX + obj.deltaX;
|
|
||||||
obj.offsetY = obj.originalY + obj.deltaY;
|
|
||||||
// assign the drop targets information
|
|
||||||
obj.drop = drag.flatten( ( ia.drop || [] ).slice() );
|
|
||||||
obj.available = drag.flatten( ( ia.droppable || [] ).slice() );
|
|
||||||
return obj;
|
|
||||||
},
|
|
||||||
|
|
||||||
// determine is the argument is an element or jquery instance
|
|
||||||
element: function( arg ){
|
|
||||||
if ( arg && ( arg.jquery || arg.nodeType == 1 ) )
|
|
||||||
return arg;
|
|
||||||
},
|
|
||||||
|
|
||||||
// flatten nested jquery objects and arrays into a single dimension array
|
|
||||||
flatten: function( arr ){
|
|
||||||
return $.map( arr, function( member ){
|
|
||||||
return member && member.jquery ? $.makeArray( member ) :
|
|
||||||
member && member.length ? drag.flatten( member ) : member;
|
|
||||||
});
|
|
||||||
},
|
|
||||||
|
|
||||||
// toggles text selection attributes ON (true) or OFF (false)
|
|
||||||
textselect: function( bool ){
|
|
||||||
$( document )[ bool ? "unbind" : "bind" ]("selectstart", drag.dontstart )
|
|
||||||
.css("MozUserSelect", bool ? "" : "none" );
|
|
||||||
// .attr("unselectable", bool ? "off" : "on" )
|
|
||||||
document.unselectable = bool ? "off" : "on";
|
|
||||||
},
|
|
||||||
|
|
||||||
// suppress "selectstart" and "ondragstart" events
|
|
||||||
dontstart: function(){
|
|
||||||
return false;
|
|
||||||
},
|
|
||||||
|
|
||||||
// a callback instance contructor
|
|
||||||
callback: function(){}
|
|
||||||
|
|
||||||
};
|
|
||||||
|
|
||||||
// callback methods
|
|
||||||
drag.callback.prototype = {
|
|
||||||
update: function(){
|
|
||||||
if ( $special.drop && this.available.length )
|
|
||||||
$.each( this.available, function( i ){
|
|
||||||
$special.drop.locate( this, i );
|
|
||||||
});
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
// patch $.event.$dispatch to allow suppressing clicks
|
|
||||||
var $dispatch = $event.dispatch;
|
|
||||||
$event.dispatch = function( event ){
|
|
||||||
if ( $.data( this, "suppress."+ event.type ) - new Date().getTime() > 0 ){
|
|
||||||
$.removeData( this, "suppress."+ event.type );
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
return $dispatch.apply( this, arguments );
|
|
||||||
};
|
|
||||||
|
|
||||||
// event fix hooks for touch events...
|
|
||||||
var touchHooks =
|
|
||||||
$event.fixHooks.touchstart =
|
|
||||||
$event.fixHooks.touchmove =
|
|
||||||
$event.fixHooks.touchend =
|
|
||||||
$event.fixHooks.touchcancel = {
|
|
||||||
props: "clientX clientY pageX pageY screenX screenY".split( " " ),
|
|
||||||
filter: function( event, orig ) {
|
|
||||||
if ( orig ){
|
|
||||||
var touched = ( orig.touches && orig.touches[0] )
|
|
||||||
|| ( orig.changedTouches && orig.changedTouches[0] )
|
|
||||||
|| null;
|
|
||||||
// iOS webkit: touchstart, touchmove, touchend
|
|
||||||
if ( touched )
|
|
||||||
$.each( touchHooks.props, function( i, prop ){
|
|
||||||
event[ prop ] = touched[ prop ];
|
|
||||||
});
|
|
||||||
}
|
|
||||||
return event;
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
// share the same special event configuration with related events...
|
|
||||||
$special.draginit = $special.dragstart = $special.dragend = drag;
|
|
||||||
|
|
||||||
})( jQuery );
|
|
@ -1,302 +0,0 @@
|
|||||||
/*!
|
|
||||||
* jquery.event.drop - v 2.2
|
|
||||||
* Copyright (c) 2010 Three Dub Media - http://threedubmedia.com
|
|
||||||
* Open Source MIT License - http://threedubmedia.com/code/license
|
|
||||||
*/
|
|
||||||
// Created: 2008-06-04
|
|
||||||
// Updated: 2012-05-21
|
|
||||||
// REQUIRES: jquery 1.7.x, event.drag 2.2
|
|
||||||
|
|
||||||
;(function($){ // secure $ jQuery alias
|
|
||||||
|
|
||||||
// Events: drop, dropstart, dropend
|
|
||||||
|
|
||||||
// add the jquery instance method
|
|
||||||
$.fn.drop = function( str, arg, opts ){
|
|
||||||
// figure out the event type
|
|
||||||
var type = typeof str == "string" ? str : "",
|
|
||||||
// figure out the event handler...
|
|
||||||
fn = $.isFunction( str ) ? str : $.isFunction( arg ) ? arg : null;
|
|
||||||
// fix the event type
|
|
||||||
if ( type.indexOf("drop") !== 0 )
|
|
||||||
type = "drop"+ type;
|
|
||||||
// were options passed
|
|
||||||
opts = ( str == fn ? arg : opts ) || {};
|
|
||||||
// trigger or bind event handler
|
|
||||||
return fn ? this.bind( type, opts, fn ) : this.trigger( type );
|
|
||||||
};
|
|
||||||
|
|
||||||
// DROP MANAGEMENT UTILITY
|
|
||||||
// returns filtered drop target elements, caches their positions
|
|
||||||
$.drop = function( opts ){
|
|
||||||
opts = opts || {};
|
|
||||||
// safely set new options...
|
|
||||||
drop.multi = opts.multi === true ? Infinity :
|
|
||||||
opts.multi === false ? 1 : !isNaN( opts.multi ) ? opts.multi : drop.multi;
|
|
||||||
drop.delay = opts.delay || drop.delay;
|
|
||||||
drop.tolerance = $.isFunction( opts.tolerance ) ? opts.tolerance :
|
|
||||||
opts.tolerance === null ? null : drop.tolerance;
|
|
||||||
drop.mode = opts.mode || drop.mode || 'intersect';
|
|
||||||
};
|
|
||||||
|
|
||||||
// local refs (increase compression)
|
|
||||||
var $event = $.event,
|
|
||||||
$special = $event.special,
|
|
||||||
// configure the drop special event
|
|
||||||
drop = $.event.special.drop = {
|
|
||||||
|
|
||||||
// these are the default settings
|
|
||||||
multi: 1, // allow multiple drop winners per dragged element
|
|
||||||
delay: 20, // async timeout delay
|
|
||||||
mode: 'overlap', // drop tolerance mode
|
|
||||||
|
|
||||||
// internal cache
|
|
||||||
targets: [],
|
|
||||||
|
|
||||||
// the key name for stored drop data
|
|
||||||
datakey: "dropdata",
|
|
||||||
|
|
||||||
// prevent bubbling for better performance
|
|
||||||
noBubble: true,
|
|
||||||
|
|
||||||
// count bound related events
|
|
||||||
add: function( obj ){
|
|
||||||
// read the interaction data
|
|
||||||
var data = $.data( this, drop.datakey );
|
|
||||||
// count another realted event
|
|
||||||
data.related += 1;
|
|
||||||
},
|
|
||||||
|
|
||||||
// forget unbound related events
|
|
||||||
remove: function(){
|
|
||||||
$.data( this, drop.datakey ).related -= 1;
|
|
||||||
},
|
|
||||||
|
|
||||||
// configure the interactions
|
|
||||||
setup: function(){
|
|
||||||
// check for related events
|
|
||||||
if ( $.data( this, drop.datakey ) )
|
|
||||||
return;
|
|
||||||
// initialize the drop element data
|
|
||||||
var data = {
|
|
||||||
related: 0,
|
|
||||||
active: [],
|
|
||||||
anyactive: 0,
|
|
||||||
winner: 0,
|
|
||||||
location: {}
|
|
||||||
};
|
|
||||||
// store the drop data on the element
|
|
||||||
$.data( this, drop.datakey, data );
|
|
||||||
// store the drop target in internal cache
|
|
||||||
drop.targets.push( this );
|
|
||||||
},
|
|
||||||
|
|
||||||
// destroy the configure interaction
|
|
||||||
teardown: function(){
|
|
||||||
var data = $.data( this, drop.datakey ) || {};
|
|
||||||
// check for related events
|
|
||||||
if ( data.related )
|
|
||||||
return;
|
|
||||||
// remove the stored data
|
|
||||||
$.removeData( this, drop.datakey );
|
|
||||||
// reference the targeted element
|
|
||||||
var element = this;
|
|
||||||
// remove from the internal cache
|
|
||||||
drop.targets = $.grep( drop.targets, function( target ){
|
|
||||||
return ( target !== element );
|
|
||||||
});
|
|
||||||
},
|
|
||||||
|
|
||||||
// shared event handler
|
|
||||||
handler: function( event, dd ){
|
|
||||||
// local vars
|
|
||||||
var results, $targets;
|
|
||||||
// make sure the right data is available
|
|
||||||
if ( !dd )
|
|
||||||
return;
|
|
||||||
// handle various events
|
|
||||||
switch ( event.type ){
|
|
||||||
// draginit, from $.event.special.drag
|
|
||||||
case 'mousedown': // DROPINIT >>
|
|
||||||
case 'touchstart': // DROPINIT >>
|
|
||||||
// collect and assign the drop targets
|
|
||||||
$targets = $( drop.targets );
|
|
||||||
if ( typeof dd.drop == "string" )
|
|
||||||
$targets = $targets.filter( dd.drop );
|
|
||||||
// reset drop data winner properties
|
|
||||||
$targets.each(function(){
|
|
||||||
var data = $.data( this, drop.datakey );
|
|
||||||
data.active = [];
|
|
||||||
data.anyactive = 0;
|
|
||||||
data.winner = 0;
|
|
||||||
});
|
|
||||||
// set available target elements
|
|
||||||
dd.droppable = $targets;
|
|
||||||
// activate drop targets for the initial element being dragged
|
|
||||||
$special.drag.hijack( event, "dropinit", dd );
|
|
||||||
break;
|
|
||||||
// drag, from $.event.special.drag
|
|
||||||
case 'mousemove': // TOLERATE >>
|
|
||||||
case 'touchmove': // TOLERATE >>
|
|
||||||
drop.event = event; // store the mousemove event
|
|
||||||
if ( !drop.timer )
|
|
||||||
// monitor drop targets
|
|
||||||
drop.tolerate( dd );
|
|
||||||
break;
|
|
||||||
// dragend, from $.event.special.drag
|
|
||||||
case 'mouseup': // DROP >> DROPEND >>
|
|
||||||
case 'touchend': // DROP >> DROPEND >>
|
|
||||||
drop.timer = clearTimeout( drop.timer ); // delete timer
|
|
||||||
if ( dd.propagates ){
|
|
||||||
$special.drag.hijack( event, "drop", dd );
|
|
||||||
$special.drag.hijack( event, "dropend", dd );
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
|
|
||||||
}
|
|
||||||
},
|
|
||||||
|
|
||||||
// returns the location positions of an element
|
|
||||||
locate: function( elem, index ){
|
|
||||||
var data = $.data( elem, drop.datakey ),
|
|
||||||
$elem = $( elem ),
|
|
||||||
posi = $elem.offset() || {},
|
|
||||||
height = $elem.outerHeight(),
|
|
||||||
width = $elem.outerWidth(),
|
|
||||||
location = {
|
|
||||||
elem: elem,
|
|
||||||
width: width,
|
|
||||||
height: height,
|
|
||||||
top: posi.top,
|
|
||||||
left: posi.left,
|
|
||||||
right: posi.left + width,
|
|
||||||
bottom: posi.top + height
|
|
||||||
};
|
|
||||||
// drag elements might not have dropdata
|
|
||||||
if ( data ){
|
|
||||||
data.location = location;
|
|
||||||
data.index = index;
|
|
||||||
data.elem = elem;
|
|
||||||
}
|
|
||||||
return location;
|
|
||||||
},
|
|
||||||
|
|
||||||
// test the location positions of an element against another OR an X,Y coord
|
|
||||||
contains: function( target, test ){ // target { location } contains test [x,y] or { location }
|
|
||||||
return ( ( test[0] || test.left ) >= target.left && ( test[0] || test.right ) <= target.right
|
|
||||||
&& ( test[1] || test.top ) >= target.top && ( test[1] || test.bottom ) <= target.bottom );
|
|
||||||
},
|
|
||||||
|
|
||||||
// stored tolerance modes
|
|
||||||
modes: { // fn scope: "$.event.special.drop" object
|
|
||||||
// target with mouse wins, else target with most overlap wins
|
|
||||||
'intersect': function( event, proxy, target ){
|
|
||||||
return this.contains( target, [ event.pageX, event.pageY ] ) ? // check cursor
|
|
||||||
1e9 : this.modes.overlap.apply( this, arguments ); // check overlap
|
|
||||||
},
|
|
||||||
// target with most overlap wins
|
|
||||||
'overlap': function( event, proxy, target ){
|
|
||||||
// calculate the area of overlap...
|
|
||||||
return Math.max( 0, Math.min( target.bottom, proxy.bottom ) - Math.max( target.top, proxy.top ) )
|
|
||||||
* Math.max( 0, Math.min( target.right, proxy.right ) - Math.max( target.left, proxy.left ) );
|
|
||||||
},
|
|
||||||
// proxy is completely contained within target bounds
|
|
||||||
'fit': function( event, proxy, target ){
|
|
||||||
return this.contains( target, proxy ) ? 1 : 0;
|
|
||||||
},
|
|
||||||
// center of the proxy is contained within target bounds
|
|
||||||
'middle': function( event, proxy, target ){
|
|
||||||
return this.contains( target, [ proxy.left + proxy.width * .5, proxy.top + proxy.height * .5 ] ) ? 1 : 0;
|
|
||||||
}
|
|
||||||
},
|
|
||||||
|
|
||||||
// sort drop target cache by by winner (dsc), then index (asc)
|
|
||||||
sort: function( a, b ){
|
|
||||||
return ( b.winner - a.winner ) || ( a.index - b.index );
|
|
||||||
},
|
|
||||||
|
|
||||||
// async, recursive tolerance execution
|
|
||||||
tolerate: function( dd ){
|
|
||||||
// declare local refs
|
|
||||||
var i, drp, drg, data, arr, len, elem,
|
|
||||||
// interaction iteration variables
|
|
||||||
x = 0, ia, end = dd.interactions.length,
|
|
||||||
// determine the mouse coords
|
|
||||||
xy = [ drop.event.pageX, drop.event.pageY ],
|
|
||||||
// custom or stored tolerance fn
|
|
||||||
tolerance = drop.tolerance || drop.modes[ drop.mode ];
|
|
||||||
// go through each passed interaction...
|
|
||||||
do if ( ia = dd.interactions[x] ){
|
|
||||||
// check valid interaction
|
|
||||||
if ( !ia )
|
|
||||||
return;
|
|
||||||
// initialize or clear the drop data
|
|
||||||
ia.drop = [];
|
|
||||||
// holds the drop elements
|
|
||||||
arr = [];
|
|
||||||
len = ia.droppable.length;
|
|
||||||
// determine the proxy location, if needed
|
|
||||||
if ( tolerance )
|
|
||||||
drg = drop.locate( ia.proxy );
|
|
||||||
// reset the loop
|
|
||||||
i = 0;
|
|
||||||
// loop each stored drop target
|
|
||||||
do if ( elem = ia.droppable[i] ){
|
|
||||||
data = $.data( elem, drop.datakey );
|
|
||||||
drp = data.location;
|
|
||||||
if ( !drp ) continue;
|
|
||||||
// find a winner: tolerance function is defined, call it
|
|
||||||
data.winner = tolerance ? tolerance.call( drop, drop.event, drg, drp )
|
|
||||||
// mouse position is always the fallback
|
|
||||||
: drop.contains( drp, xy ) ? 1 : 0;
|
|
||||||
arr.push( data );
|
|
||||||
} while ( ++i < len ); // loop
|
|
||||||
// sort the drop targets
|
|
||||||
arr.sort( drop.sort );
|
|
||||||
// reset the loop
|
|
||||||
i = 0;
|
|
||||||
// loop through all of the targets again
|
|
||||||
do if ( data = arr[ i ] ){
|
|
||||||
// winners...
|
|
||||||
if ( data.winner && ia.drop.length < drop.multi ){
|
|
||||||
// new winner... dropstart
|
|
||||||
if ( !data.active[x] && !data.anyactive ){
|
|
||||||
// check to make sure that this is not prevented
|
|
||||||
if ( $special.drag.hijack( drop.event, "dropstart", dd, x, data.elem )[0] !== false ){
|
|
||||||
data.active[x] = 1;
|
|
||||||
data.anyactive += 1;
|
|
||||||
}
|
|
||||||
// if false, it is not a winner
|
|
||||||
else
|
|
||||||
data.winner = 0;
|
|
||||||
}
|
|
||||||
// if it is still a winner
|
|
||||||
if ( data.winner )
|
|
||||||
ia.drop.push( data.elem );
|
|
||||||
}
|
|
||||||
// losers...
|
|
||||||
else if ( data.active[x] && data.anyactive == 1 ){
|
|
||||||
// former winner... dropend
|
|
||||||
$special.drag.hijack( drop.event, "dropend", dd, x, data.elem );
|
|
||||||
data.active[x] = 0;
|
|
||||||
data.anyactive -= 1;
|
|
||||||
}
|
|
||||||
} while ( ++i < len ); // loop
|
|
||||||
} while ( ++x < end ) // loop
|
|
||||||
// check if the mouse is still moving or is idle
|
|
||||||
if ( drop.last && xy[0] == drop.last.pageX && xy[1] == drop.last.pageY )
|
|
||||||
delete drop.timer; // idle, don't recurse
|
|
||||||
else // recurse
|
|
||||||
drop.timer = setTimeout(function(){
|
|
||||||
drop.tolerate( dd );
|
|
||||||
}, drop.delay );
|
|
||||||
// remember event, to compare idleness
|
|
||||||
drop.last = drop.event;
|
|
||||||
}
|
|
||||||
|
|
||||||
};
|
|
||||||
|
|
||||||
// share the same special event configuration with related events...
|
|
||||||
$special.dropinit = $special.dropstart = $special.dropend = drop;
|
|
||||||
|
|
||||||
})(jQuery); // confine scope
|
|
Loading…
Reference in New Issue