/*!
* jQuery UI Droppable 1.13.3
* https://jqueryui.com
*
* Copyright OpenJS Foundation and other contributors
* Released under the MIT license.
* https://jquery.org/license
*/
//>>label: Droppable
//>>group: Interactions
//>>description: Enables drop targets for draggable elements.
//>>docs: https://api.jqueryui.com/droppable/
//>>demos: https://jqueryui.com/droppable/
( function( factory ) {
"use strict";
if ( typeof define === "function" && define.amd ) {
// AMD. Register as an anonymous module.
define( [
"jquery",
"./draggable",
"./mouse",
"../version",
"../widget"
], factory );
} else {
// Browser globals
factory( jQuery );
}
} )( function( $ ) {
"use strict";
$.widget( "ui.droppable", {
version: "1.13.3",
widgetEventPrefix: "drop",
options: {
accept: "*",
addClasses: true,
greedy: false,
scope: "default",
tolerance: "intersect",
// Callbacks
activate: null,
deactivate: null,
drop: null,
out: null,
over: null
},
_create: function() {
var proportions,
o = this.options,
accept = o.accept;
this.isover = false;
this.isout = true;
this.accept = typeof accept === "function" ? accept : function( d ) {
return d.is( accept );
};
this.proportions = function( /* valueToWrite */ ) {
if ( arguments.length ) {
// Store the droppable's proportions
proportions = arguments[ 0 ];
} else {
// Retrieve or derive the droppable's proportions
return proportions ?
proportions :
proportions = {
width: this.element[ 0 ].offsetWidth,
height: this.element[ 0 ].offsetHeight
};
}
};
this._addToManager( o.scope );
if ( o.addClasses ) {
this._addClass( "ui-droppable" );
}
},
_addToManager: function( scope ) {
// Add the reference and positions to the manager
$.ui.ddmanager.droppables[ scope ] = $.ui.ddmanager.droppables[ scope ] || [];
$.ui.ddmanager.droppables[ scope ].push( this );
},
_splice: function( drop ) {
var i = 0;
for ( ; i < drop.length; i++ ) {
if ( drop[ i ] === this ) {
drop.splice( i, 1 );
}
}
},
_destroy: function() {
var drop = $.ui.ddmanager.droppables[ this.options.scope ];
this._splice( drop );
},
_setOption: function( key, value ) {
if ( key === "accept" ) {
this.accept = typeof value === "function" ? value : function( d ) {
return d.is( value );
};
} else if ( key === "scope" ) {
var drop = $.ui.ddmanager.droppables[ this.options.scope ];
this._splice( drop );
this._addToManager( value );
}
this._super( key, value );
},
_activate: function( event ) {
var draggable = $.ui.ddmanager.current;
this._addActiveClass();
if ( draggable ) {
this._trigger( "activate", event, this.ui( draggable ) );
}
},
_deactivate: function( event ) {
var draggable = $.ui.ddmanager.current;
this._removeActiveClass();
if ( draggable ) {
this._trigger( "deactivate", event, this.ui( draggable ) );
}
},
_over: function( event ) {
var draggable = $.ui.ddmanager.current;
// Bail if draggable and droppable are same element
if ( !draggable || ( draggable.currentItem ||
draggable.element )[ 0 ] === this.element[ 0 ] ) {
return;
}
if ( this.accept.call( this.element[ 0 ], ( draggable.currentItem ||
draggable.element ) ) ) {
this._addHoverClass();
this._trigger( "over", event, this.ui( draggable ) );
}
},
_out: function( event ) {
var draggable = $.ui.ddmanager.current;
// Bail if draggable and droppable are same element
if ( !draggable || ( draggable.currentItem ||
draggable.element )[ 0 ] === this.element[ 0 ] ) {
return;
}
if ( this.accept.call( this.element[ 0 ], ( draggable.currentItem ||
draggable.element ) ) ) {
this._removeHoverClass();
this._trigger( "out", event, this.ui( draggable ) );
}
},
_drop: function( event, custom ) {
var draggable = custom || $.ui.ddmanager.current,
childrenIntersection = false;
// Bail if draggable and droppable are same element
if ( !draggable || ( draggable.currentItem ||
draggable.element )[ 0 ] === this.element[ 0 ] ) {
return false;
}
this.element
.find( ":data(ui-droppable)" )
.not( ".ui-draggable-dragging" )
.each( function() {
var inst = $( this ).droppable( "instance" );
if (
inst.options.greedy &&
!inst.options.disabled &&
inst.options.scope === draggable.options.scope &&
inst.accept.call(
inst.element[ 0 ], ( draggable.currentItem || draggable.element )
) &&
$.ui.intersect(
draggable,
$.extend( inst, { offset: inst.element.offset() } ),
inst.options.tolerance, event
)
) {
childrenIntersection = true;
return false;
}
} );
if ( childrenIntersection ) {
return false;
}
if ( this.accept.call( this.element[ 0 ],
( draggable.currentItem || draggable.element ) ) ) {
this._removeActiveClass();
this._removeHoverClass();
this._trigger( "drop", event, this.ui( draggable ) );
return this.element;
}
return false;
},
ui: function( c ) {
return {
draggable: ( c.currentItem || c.element ),
helper: c.helper,
position: c.position,
offset: c.positionAbs
};
},
// Extension points just to make backcompat sane and avoid duplicating logic
// TODO: Remove in 1.14 along with call to it below
_addHoverClass: function() {
this._addClass( "ui-droppable-hover" );
},
_removeHoverClass: function() {
this._removeClass( "ui-droppable-hover" );
},
_addActiveClass: function() {
this._addClass( "ui-droppable-active" );
},
_removeActiveClass: function() {
this._removeClass( "ui-droppable-active" );
}
} );
$.ui.intersect = ( function() {
function isOverAxis( x, reference, size ) {
return ( x >= reference ) && ( x < ( reference + size ) );
}
return function( draggable, droppable, toleranceMode, event ) {
if ( !droppable.offset ) {
return false;
}
var x1 = ( draggable.positionAbs ||
draggable.position.absolute ).left + draggable.margins.left,
y1 = ( draggable.positionAbs ||
draggable.position.absolute ).top + draggable.margins.top,
x2 = x1 + draggable.helperProportions.width,
y2 = y1 + draggable.helperProportions.height,
l = droppable.offset.left,
t = droppable.offset.top,
r = l + droppable.proportions().width,
b = t + droppable.proportions().height;
switch ( toleranceMode ) {
case "fit":
return ( l <= x1 && x2 <= r && t <= y1 && y2 <= b );
case "intersect":
return ( l < x1 + ( draggable.helperProportions.width / 2 ) && // Right Half
x2 - ( draggable.helperProportions.width / 2 ) < r && // Left Half
t < y1 + ( draggable.helperProportions.height / 2 ) && // Bottom Half
y2 - ( draggable.helperProportions.height / 2 ) < b ); // Top Half
case "pointer":
return isOverAxis( event.pageY, t, droppable.proportions().height ) &&
isOverAxis( event.pageX, l, droppable.proportions().width );
case "touch":
return (
( y1 >= t && y1 <= b ) || // Top edge touching
( y2 >= t && y2 <= b ) || // Bottom edge touching
( y1 < t && y2 > b ) // Surrounded vertically
) && (
( x1 >= l && x1 <= r ) || // Left edge touching
( x2 >= l && x2 <= r ) || // Right edge touching
( x1 < l && x2 > r ) // Surrounded horizontally
);
default:
return false;
}
};
} )();
/*
This manager tracks offsets of draggables and droppables
*/
$.ui.ddmanager = {
current: null,
droppables: { "default": [] },
prepareOffsets: function( t, event ) {
var i, j,
m = $.ui.ddmanager.droppables[ t.options.scope ] || [],
type = event ? event.type : null, // workaround for #2317
list = ( t.currentItem || t.element ).find( ":data(ui-droppable)" ).addBack();
droppablesLoop: for ( i = 0; i < m.length; i++ ) {
// No disabled and non-accepted
if ( m[ i ].options.disabled || ( t && !m[ i ].accept.call( m[ i ].element[ 0 ],
( t.currentItem || t.element ) ) ) ) {
continue;
}
// Filter out elements in the current dragged item
for ( j = 0; j < list.length; j++ ) {
if ( list[ j ] === m[ i ].element[ 0 ] ) {
m[ i ].proportions().height = 0;
continue droppablesLoop;
}
}
m[ i ].visible = m[ i ].element.css( "display" ) !== "none";
if ( !m[ i ].visible ) {
continue;
}
// Activate the droppable if used directly from draggables
if ( type === "mousedown" ) {
m[ i ]._activate.call( m[ i ], event );
}
m[ i ].offset = m[ i ].element.offset();
m[ i ].proportions( {
width: m[ i ].element[ 0 ].offsetWidth,
height: m[ i ].element[ 0 ].offsetHeight
} );
}
},
drop: function( draggable, event ) {
var dropped = false;
// Create a copy of the droppables in case the list changes during the drop (#9116)
$.each( ( $.ui.ddmanager.droppables[ draggable.options.scope ] || [] ).slice(), function() {
if ( !this.options ) {
return;
}
if ( !this.options.disabled && this.visible &&
$.ui.intersect( draggable, this, this.options.tolerance, event ) ) {
dropped = this._drop.call( this, event ) || dropped;
}
if ( !this.options.disabled && this.visible && this.accept.call( this.element[ 0 ],
( draggable.currentItem || draggable.element ) ) ) {
this.isout = true;
this.isover = false;
this._deactivate.call( this, event );
}
} );
return dropped;
},
dragStart: function( draggable, event ) {
// Listen for scrolling so that if the dragging causes scrolling the position of the
// droppables can be recalculated (see #5003)
draggable.element.parentsUntil( "body" ).on( "scroll.droppable", function() {
if ( !draggable.options.refreshPositions ) {
$.ui.ddmanager.prepareOffsets( draggable, event );
}
} );
},
drag: function( draggable, event ) {
// If you have a highly dynamic page, you might try this option. It renders positions
// every time you move the mouse.
if ( draggable.options.refreshPositions ) {
$.ui.ddmanager.prepareOffsets( draggable, event );
}
// Run through all droppables and check their positions based on specific tolerance options
$.each( $.ui.ddmanager.droppables[ draggable.options.scope ] || [], function() {
if ( this.options.disabled || this.greedyChild || !this.visible ) {
return;
}
var parentInstance, scope, parent,
intersects = $.ui.intersect( draggable, this, this.options.tolerance, event ),
c = !intersects && this.isover ?
"isout" :
( intersects && !this.isover ? "isover" : null );
if ( !c ) {
return;
}
if ( this.options.greedy ) {
// find droppable parents with same scope
scope = this.options.scope;
parent = this.element.parents( ":data(ui-droppable)" ).filter( function() {
return $( this ).droppable( "instance" ).options.scope === scope;
} );
if ( parent.length ) {
parentInstance = $( parent[ 0 ] ).droppable( "instance" );
parentInstance.greedyChild = ( c === "isover" );
}
}
// We just moved into a greedy child
if ( parentInstance && c === "isover" ) {
parentInstance.isover = false;
parentInstance.isout = true;
parentInstance._out.call( parentInstance, event );
}
this[ c ] = true;
this[ c === "isout" ? "isover" : "isout" ] = false;
this[ c === "isover" ? "_over" : "_out" ].call( this, event );
// We just moved out of a greedy child
if ( parentInstance && c === "isout" ) {
parentInstance.isout = false;
parentInstance.isover = true;
parentInstance._over.call( parentInstance, event );
}
} );
},
dragStop: function( draggable, event ) {
draggable.element.parentsUntil( "body" ).off( "scroll.droppable" );
// Call prepareOffsets one final time since IE does not fire return scroll events when
// overflow was caused by drag (see #5003)
if ( !draggable.options.refreshPositions ) {
$.ui.ddmanager.prepareOffsets( draggable, event );
}
}
};
// DEPRECATED
// TODO: switch return back to widget declaration at top of file when this is removed
if ( $.uiBackCompat !== false ) {
// Backcompat for activeClass and hoverClass options
$.widget( "ui.droppable", $.ui.droppable, {
options: {
hoverClass: false,
activeClass: false
},
_addActiveClass: function() {
this._super();
if ( this.options.activeClass ) {
this.element.addClass( this.options.activeClass );
}
},
_removeActiveClass: function() {
this._super();
if ( this.options.activeClass ) {
this.element.removeClass( this.options.activeClass );
}
},
_addHoverClass: function() {
this._super();
if ( this.options.hoverClass ) {
this.element.addClass( this.options.hoverClass );
}
},
_removeHoverClass: function() {
this._super();
if ( this.options.hoverClass ) {
this.element.removeClass( this.options.hoverClass );
}
}
} );
}
return $.ui.droppable;
} );
في ظل التحول الرقمي المتسارع، أصبح التسويق الإلكتروني أحد أهم الأدوات التي تعتمد عليها المؤسسات والشركات لتحقيق الانتشار والوصول إلى جمهور أوسع.
في هذا الحوار التسجيلي، نسلّط الضوء على مفهوم التسويق الإلكتروني، أهميته في العصر الحديث، وكيف غيّر قواعد اللعبة في عالم المال والأعمال.
ال