reinit
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Denis Knauf
commit
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372
html/jquery-ui-1.10.3.custom/development-bundle/ui/jquery.ui.droppable.js
vendored
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372
html/jquery-ui-1.10.3.custom/development-bundle/ui/jquery.ui.droppable.js
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/*!
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* jQuery UI Droppable 1.10.3
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* http://jqueryui.com
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*
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* Copyright 2013 jQuery Foundation and other contributors
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* Released under the MIT license.
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* http://jquery.org/license
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*
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* http://api.jqueryui.com/droppable/
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*
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* Depends:
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* jquery.ui.core.js
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* jquery.ui.widget.js
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* jquery.ui.mouse.js
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* jquery.ui.draggable.js
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*/
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(function( $, undefined ) {
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function isOverAxis( x, reference, size ) {
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return ( x > reference ) && ( x < ( reference + size ) );
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}
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$.widget("ui.droppable", {
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version: "1.10.3",
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widgetEventPrefix: "drop",
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options: {
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accept: "*",
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activeClass: false,
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addClasses: true,
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greedy: false,
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hoverClass: false,
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scope: "default",
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tolerance: "intersect",
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// callbacks
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activate: null,
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deactivate: null,
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drop: null,
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out: null,
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over: null
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},
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_create: function() {
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var o = this.options,
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accept = o.accept;
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this.isover = false;
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this.isout = true;
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this.accept = $.isFunction(accept) ? accept : function(d) {
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return d.is(accept);
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};
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//Store the droppable's proportions
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this.proportions = { width: this.element[0].offsetWidth, height: this.element[0].offsetHeight };
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// Add the reference and positions to the manager
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$.ui.ddmanager.droppables[o.scope] = $.ui.ddmanager.droppables[o.scope] || [];
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$.ui.ddmanager.droppables[o.scope].push(this);
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(o.addClasses && this.element.addClass("ui-droppable"));
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},
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_destroy: function() {
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var i = 0,
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drop = $.ui.ddmanager.droppables[this.options.scope];
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for ( ; i < drop.length; i++ ) {
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if ( drop[i] === this ) {
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drop.splice(i, 1);
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}
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}
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this.element.removeClass("ui-droppable ui-droppable-disabled");
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},
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_setOption: function(key, value) {
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if(key === "accept") {
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this.accept = $.isFunction(value) ? value : function(d) {
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return d.is(value);
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};
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}
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$.Widget.prototype._setOption.apply(this, arguments);
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},
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_activate: function(event) {
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var draggable = $.ui.ddmanager.current;
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if(this.options.activeClass) {
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this.element.addClass(this.options.activeClass);
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}
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if(draggable){
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this._trigger("activate", event, this.ui(draggable));
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}
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},
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_deactivate: function(event) {
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var draggable = $.ui.ddmanager.current;
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if(this.options.activeClass) {
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this.element.removeClass(this.options.activeClass);
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}
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if(draggable){
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this._trigger("deactivate", event, this.ui(draggable));
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}
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},
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_over: function(event) {
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var draggable = $.ui.ddmanager.current;
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// Bail if draggable and droppable are same element
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if (!draggable || (draggable.currentItem || draggable.element)[0] === this.element[0]) {
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return;
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}
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if (this.accept.call(this.element[0],(draggable.currentItem || draggable.element))) {
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if(this.options.hoverClass) {
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this.element.addClass(this.options.hoverClass);
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}
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this._trigger("over", event, this.ui(draggable));
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}
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},
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_out: function(event) {
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var draggable = $.ui.ddmanager.current;
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// Bail if draggable and droppable are same element
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if (!draggable || (draggable.currentItem || draggable.element)[0] === this.element[0]) {
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return;
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}
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if (this.accept.call(this.element[0],(draggable.currentItem || draggable.element))) {
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if(this.options.hoverClass) {
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this.element.removeClass(this.options.hoverClass);
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}
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this._trigger("out", event, this.ui(draggable));
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}
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},
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_drop: function(event,custom) {
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var draggable = custom || $.ui.ddmanager.current,
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childrenIntersection = false;
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// Bail if draggable and droppable are same element
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if (!draggable || (draggable.currentItem || draggable.element)[0] === this.element[0]) {
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return false;
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}
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this.element.find(":data(ui-droppable)").not(".ui-draggable-dragging").each(function() {
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var inst = $.data(this, "ui-droppable");
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if(
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inst.options.greedy &&
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!inst.options.disabled &&
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inst.options.scope === draggable.options.scope &&
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inst.accept.call(inst.element[0], (draggable.currentItem || draggable.element)) &&
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$.ui.intersect(draggable, $.extend(inst, { offset: inst.element.offset() }), inst.options.tolerance)
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) { childrenIntersection = true; return false; }
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});
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if(childrenIntersection) {
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return false;
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}
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if(this.accept.call(this.element[0],(draggable.currentItem || draggable.element))) {
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if(this.options.activeClass) {
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this.element.removeClass(this.options.activeClass);
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}
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if(this.options.hoverClass) {
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this.element.removeClass(this.options.hoverClass);
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}
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this._trigger("drop", event, this.ui(draggable));
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return this.element;
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}
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return false;
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},
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ui: function(c) {
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return {
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draggable: (c.currentItem || c.element),
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helper: c.helper,
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position: c.position,
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offset: c.positionAbs
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};
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}
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});
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$.ui.intersect = function(draggable, droppable, toleranceMode) {
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if (!droppable.offset) {
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return false;
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}
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var draggableLeft, draggableTop,
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x1 = (draggable.positionAbs || draggable.position.absolute).left, x2 = x1 + draggable.helperProportions.width,
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y1 = (draggable.positionAbs || draggable.position.absolute).top, y2 = y1 + draggable.helperProportions.height,
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l = droppable.offset.left, r = l + droppable.proportions.width,
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t = droppable.offset.top, b = t + droppable.proportions.height;
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switch (toleranceMode) {
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case "fit":
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return (l <= x1 && x2 <= r && t <= y1 && y2 <= b);
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case "intersect":
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return (l < x1 + (draggable.helperProportions.width / 2) && // Right Half
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x2 - (draggable.helperProportions.width / 2) < r && // Left Half
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t < y1 + (draggable.helperProportions.height / 2) && // Bottom Half
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y2 - (draggable.helperProportions.height / 2) < b ); // Top Half
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case "pointer":
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draggableLeft = ((draggable.positionAbs || draggable.position.absolute).left + (draggable.clickOffset || draggable.offset.click).left);
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draggableTop = ((draggable.positionAbs || draggable.position.absolute).top + (draggable.clickOffset || draggable.offset.click).top);
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return isOverAxis( draggableTop, t, droppable.proportions.height ) && isOverAxis( draggableLeft, l, droppable.proportions.width );
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case "touch":
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return (
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(y1 >= t && y1 <= b) || // Top edge touching
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(y2 >= t && y2 <= b) || // Bottom edge touching
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(y1 < t && y2 > b) // Surrounded vertically
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) && (
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(x1 >= l && x1 <= r) || // Left edge touching
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(x2 >= l && x2 <= r) || // Right edge touching
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(x1 < l && x2 > r) // Surrounded horizontally
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);
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default:
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return false;
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}
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};
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/*
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This manager tracks offsets of draggables and droppables
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*/
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$.ui.ddmanager = {
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current: null,
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droppables: { "default": [] },
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prepareOffsets: function(t, event) {
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var i, j,
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m = $.ui.ddmanager.droppables[t.options.scope] || [],
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type = event ? event.type : null, // workaround for #2317
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list = (t.currentItem || t.element).find(":data(ui-droppable)").addBack();
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droppablesLoop: for (i = 0; i < m.length; i++) {
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//No disabled and non-accepted
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if(m[i].options.disabled || (t && !m[i].accept.call(m[i].element[0],(t.currentItem || t.element)))) {
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continue;
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}
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// Filter out elements in the current dragged item
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for (j=0; j < list.length; j++) {
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if(list[j] === m[i].element[0]) {
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m[i].proportions.height = 0;
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continue droppablesLoop;
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}
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}
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m[i].visible = m[i].element.css("display") !== "none";
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if(!m[i].visible) {
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continue;
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}
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//Activate the droppable if used directly from draggables
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if(type === "mousedown") {
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m[i]._activate.call(m[i], event);
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}
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m[i].offset = m[i].element.offset();
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m[i].proportions = { width: m[i].element[0].offsetWidth, height: m[i].element[0].offsetHeight };
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}
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},
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drop: function(draggable, event) {
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var dropped = false;
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// Create a copy of the droppables in case the list changes during the drop (#9116)
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$.each(($.ui.ddmanager.droppables[draggable.options.scope] || []).slice(), function() {
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if(!this.options) {
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return;
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}
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if (!this.options.disabled && this.visible && $.ui.intersect(draggable, this, this.options.tolerance)) {
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dropped = this._drop.call(this, event) || dropped;
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}
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if (!this.options.disabled && this.visible && this.accept.call(this.element[0],(draggable.currentItem || draggable.element))) {
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this.isout = true;
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this.isover = false;
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this._deactivate.call(this, event);
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}
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});
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return dropped;
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},
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dragStart: function( draggable, event ) {
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//Listen for scrolling so that if the dragging causes scrolling the position of the droppables can be recalculated (see #5003)
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draggable.element.parentsUntil( "body" ).bind( "scroll.droppable", function() {
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if( !draggable.options.refreshPositions ) {
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$.ui.ddmanager.prepareOffsets( draggable, event );
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}
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});
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},
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drag: function(draggable, event) {
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//If you have a highly dynamic page, you might try this option. It renders positions every time you move the mouse.
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if(draggable.options.refreshPositions) {
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$.ui.ddmanager.prepareOffsets(draggable, event);
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}
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//Run through all droppables and check their positions based on specific tolerance options
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$.each($.ui.ddmanager.droppables[draggable.options.scope] || [], function() {
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if(this.options.disabled || this.greedyChild || !this.visible) {
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return;
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}
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var parentInstance, scope, parent,
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intersects = $.ui.intersect(draggable, this, this.options.tolerance),
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c = !intersects && this.isover ? "isout" : (intersects && !this.isover ? "isover" : null);
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if(!c) {
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return;
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}
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if (this.options.greedy) {
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// find droppable parents with same scope
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scope = this.options.scope;
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parent = this.element.parents(":data(ui-droppable)").filter(function () {
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return $.data(this, "ui-droppable").options.scope === scope;
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});
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if (parent.length) {
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parentInstance = $.data(parent[0], "ui-droppable");
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parentInstance.greedyChild = (c === "isover");
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}
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}
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// we just moved into a greedy child
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if (parentInstance && c === "isover") {
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parentInstance.isover = false;
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parentInstance.isout = true;
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parentInstance._out.call(parentInstance, event);
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}
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this[c] = true;
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this[c === "isout" ? "isover" : "isout"] = false;
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this[c === "isover" ? "_over" : "_out"].call(this, event);
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// we just moved out of a greedy child
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if (parentInstance && c === "isout") {
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parentInstance.isout = false;
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parentInstance.isover = true;
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parentInstance._over.call(parentInstance, event);
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}
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});
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},
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dragStop: function( draggable, event ) {
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draggable.element.parentsUntil( "body" ).unbind( "scroll.droppable" );
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//Call prepareOffsets one final time since IE does not fire return scroll events when overflow was caused by drag (see #5003)
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if( !draggable.options.refreshPositions ) {
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$.ui.ddmanager.prepareOffsets( draggable, event );
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}
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}
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};
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})(jQuery);
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