| 1 |
/*! |
| 2 |
* jQuery UI Droppable 1.10.3 |
| 3 |
* http://jqueryui.com |
| 4 |
* |
| 5 |
* Copyright 2013 jQuery Foundation and other contributors |
| 6 |
* Released under the MIT license. |
| 7 |
* http://jquery.org/license |
| 8 |
* |
| 9 |
* http://api.jqueryui.com/droppable/ |
| 10 |
* |
| 11 |
* Depends: |
| 12 |
* jquery.ui.core.js |
| 13 |
* jquery.ui.widget.js |
| 14 |
* jquery.ui.mouse.js |
| 15 |
* jquery.ui.draggable.js |
| 16 |
*/ |
| 17 |
(function( $, undefined ) { |
| 18 |
|
| 19 |
function isOverAxis( x, reference, size ) { |
| 20 |
return ( x > reference ) && ( x < ( reference + size ) ); |
| 21 |
} |
| 22 |
|
| 23 |
$.widget("ui.droppable", { |
| 24 |
version: "1.10.3", |
| 25 |
widgetEventPrefix: "drop", |
| 26 |
options: { |
| 27 |
accept: "*", |
| 28 |
activeClass: false, |
| 29 |
addClasses: true, |
| 30 |
greedy: false, |
| 31 |
hoverClass: false, |
| 32 |
scope: "default", |
| 33 |
tolerance: "intersect", |
| 34 |
|
| 35 |
// callbacks |
| 36 |
activate: null, |
| 37 |
deactivate: null, |
| 38 |
drop: null, |
| 39 |
out: null, |
| 40 |
over: null |
| 41 |
}, |
| 42 |
_create: function() { |
| 43 |
|
| 44 |
var o = this.options, |
| 45 |
accept = o.accept; |
| 46 |
|
| 47 |
this.isover = false; |
| 48 |
this.isout = true; |
| 49 |
|
| 50 |
this.accept = $.isFunction(accept) ? accept : function(d) { |
| 51 |
return d.is(accept); |
| 52 |
}; |
| 53 |
|
| 54 |
//Store the droppable's proportions |
| 55 |
this.proportions = { width: this.element[0].offsetWidth, height: this.element[0].offsetHeight }; |
| 56 |
|
| 57 |
// Add the reference and positions to the manager |
| 58 |
$.ui.ddmanager.droppables[o.scope] = $.ui.ddmanager.droppables[o.scope] || []; |
| 59 |
$.ui.ddmanager.droppables[o.scope].push(this); |
| 60 |
|
| 61 |
(o.addClasses && this.element.addClass("ui-droppable")); |
| 62 |
|
| 63 |
}, |
| 64 |
|
| 65 |
_destroy: function() { |
| 66 |
var i = 0, |
| 67 |
drop = $.ui.ddmanager.droppables[this.options.scope]; |
| 68 |
|
| 69 |
for ( ; i < drop.length; i++ ) { |
| 70 |
if ( drop[i] === this ) { |
| 71 |
drop.splice(i, 1); |
| 72 |
} |
| 73 |
} |
| 74 |
|
| 75 |
this.element.removeClass("ui-droppable ui-droppable-disabled"); |
| 76 |
}, |
| 77 |
|
| 78 |
_setOption: function(key, value) { |
| 79 |
|
| 80 |
if(key === "accept") { |
| 81 |
this.accept = $.isFunction(value) ? value : function(d) { |
| 82 |
return d.is(value); |
| 83 |
}; |
| 84 |
} |
| 85 |
$.Widget.prototype._setOption.apply(this, arguments); |
| 86 |
}, |
| 87 |
|
| 88 |
_activate: function(event) { |
| 89 |
var draggable = $.ui.ddmanager.current; |
| 90 |
if(this.options.activeClass) { |
| 91 |
this.element.addClass(this.options.activeClass); |
| 92 |
} |
| 93 |
if(draggable){ |
| 94 |
this._trigger("activate", event, this.ui(draggable)); |
| 95 |
} |
| 96 |
}, |
| 97 |
|
| 98 |
_deactivate: function(event) { |
| 99 |
var draggable = $.ui.ddmanager.current; |
| 100 |
if(this.options.activeClass) { |
| 101 |
this.element.removeClass(this.options.activeClass); |
| 102 |
} |
| 103 |
if(draggable){ |
| 104 |
this._trigger("deactivate", event, this.ui(draggable)); |
| 105 |
} |
| 106 |
}, |
| 107 |
|
| 108 |
_over: function(event) { |
| 109 |
|
| 110 |
var draggable = $.ui.ddmanager.current; |
| 111 |
|
| 112 |
// Bail if draggable and droppable are same element |
| 113 |
if (!draggable || (draggable.currentItem || draggable.element)[0] === this.element[0]) { |
| 114 |
return; |
| 115 |
} |
| 116 |
|
| 117 |
if (this.accept.call(this.element[0],(draggable.currentItem || draggable.element))) { |
| 118 |
if(this.options.hoverClass) { |
| 119 |
this.element.addClass(this.options.hoverClass); |
| 120 |
} |
| 121 |
this._trigger("over", event, this.ui(draggable)); |
| 122 |
} |
| 123 |
|
| 124 |
}, |
| 125 |
|
| 126 |
_out: function(event) { |
| 127 |
|
| 128 |
var draggable = $.ui.ddmanager.current; |
| 129 |
|
| 130 |
// Bail if draggable and droppable are same element |
| 131 |
if (!draggable || (draggable.currentItem || draggable.element)[0] === this.element[0]) { |
| 132 |
return; |
| 133 |
} |
| 134 |
|
| 135 |
if (this.accept.call(this.element[0],(draggable.currentItem || draggable.element))) { |
| 136 |
if(this.options.hoverClass) { |
| 137 |
this.element.removeClass(this.options.hoverClass); |
| 138 |
} |
| 139 |
this._trigger("out", event, this.ui(draggable)); |
| 140 |
} |
| 141 |
|
| 142 |
}, |
| 143 |
|
| 144 |
_drop: function(event,custom) { |
| 145 |
|
| 146 |
var draggable = custom || $.ui.ddmanager.current, |
| 147 |
childrenIntersection = false; |
| 148 |
|
| 149 |
// Bail if draggable and droppable are same element |
| 150 |
if (!draggable || (draggable.currentItem || draggable.element)[0] === this.element[0]) { |
| 151 |
return false; |
| 152 |
} |
| 153 |
|
| 154 |
this.element.find(":data(ui-droppable)").not(".ui-draggable-dragging").each(function() { |
| 155 |
var inst = $.data(this, "ui-droppable"); |
| 156 |
if( |
| 157 |
inst.options.greedy && |
| 158 |
!inst.options.disabled && |
| 159 |
inst.options.scope === draggable.options.scope && |
| 160 |
inst.accept.call(inst.element[0], (draggable.currentItem || draggable.element)) && |
| 161 |
$.ui.intersect(draggable, $.extend(inst, { offset: inst.element.offset() }), inst.options.tolerance) |
| 162 |
) { childrenIntersection = true; return false; } |
| 163 |
}); |
| 164 |
if(childrenIntersection) { |
| 165 |
return false; |
| 166 |
} |
| 167 |
|
| 168 |
if(this.accept.call(this.element[0],(draggable.currentItem || draggable.element))) { |
| 169 |
if(this.options.activeClass) { |
| 170 |
this.element.removeClass(this.options.activeClass); |
| 171 |
} |
| 172 |
if(this.options.hoverClass) { |
| 173 |
this.element.removeClass(this.options.hoverClass); |
| 174 |
} |
| 175 |
this._trigger("drop", event, this.ui(draggable)); |
| 176 |
return this.element; |
| 177 |
} |
| 178 |
|
| 179 |
return false; |
| 180 |
|
| 181 |
}, |
| 182 |
|
| 183 |
ui: function(c) { |
| 184 |
return { |
| 185 |
draggable: (c.currentItem || c.element), |
| 186 |
helper: c.helper, |
| 187 |
position: c.position, |
| 188 |
offset: c.positionAbs |
| 189 |
}; |
| 190 |
} |
| 191 |
|
| 192 |
}); |
| 193 |
|
| 194 |
$.ui.intersect = function(draggable, droppable, toleranceMode) { |
| 195 |
|
| 196 |
if (!droppable.offset) { |
| 197 |
return false; |
| 198 |
} |
| 199 |
|
| 200 |
var draggableLeft, draggableTop, |
| 201 |
x1 = (draggable.positionAbs || draggable.position.absolute).left, x2 = x1 + draggable.helperProportions.width, |
| 202 |
y1 = (draggable.positionAbs || draggable.position.absolute).top, y2 = y1 + draggable.helperProportions.height, |
| 203 |
l = droppable.offset.left, r = l + droppable.proportions.width, |
| 204 |
t = droppable.offset.top, b = t + droppable.proportions.height; |
| 205 |
|
| 206 |
switch (toleranceMode) { |
| 207 |
case "fit": |
| 208 |
return (l <= x1 && x2 <= r && t <= y1 && y2 <= b); |
| 209 |
case "intersect": |
| 210 |
return (l < x1 + (draggable.helperProportions.width / 2) && // Right Half |
| 211 |
x2 - (draggable.helperProportions.width / 2) < r && // Left Half |
| 212 |
t < y1 + (draggable.helperProportions.height / 2) && // Bottom Half |
| 213 |
y2 - (draggable.helperProportions.height / 2) < b ); // Top Half |
| 214 |
case "pointer": |
| 215 |
draggableLeft = ((draggable.positionAbs || draggable.position.absolute).left + (draggable.clickOffset || draggable.offset.click).left); |
| 216 |
draggableTop = ((draggable.positionAbs || draggable.position.absolute).top + (draggable.clickOffset || draggable.offset.click).top); |
| 217 |
return isOverAxis( draggableTop, t, droppable.proportions.height ) && isOverAxis( draggableLeft, l, droppable.proportions.width ); |
| 218 |
case "touch": |
| 219 |
return ( |
| 220 |
(y1 >= t && y1 <= b) || // Top edge touching |
| 221 |
(y2 >= t && y2 <= b) || // Bottom edge touching |
| 222 |
(y1 < t && y2 > b) // Surrounded vertically |
| 223 |
) && ( |
| 224 |
(x1 >= l && x1 <= r) || // Left edge touching |
| 225 |
(x2 >= l && x2 <= r) || // Right edge touching |
| 226 |
(x1 < l && x2 > r) // Surrounded horizontally |
| 227 |
); |
| 228 |
default: |
| 229 |
return false; |
| 230 |
} |
| 231 |
|
| 232 |
}; |
| 233 |
|
| 234 |
/* |
| 235 |
This manager tracks offsets of draggables and droppables |
| 236 |
*/ |
| 237 |
$.ui.ddmanager = { |
| 238 |
current: null, |
| 239 |
droppables: { "default": [] }, |
| 240 |
prepareOffsets: function(t, event) { |
| 241 |
|
| 242 |
var i, j, |
| 243 |
m = $.ui.ddmanager.droppables[t.options.scope] || [], |
| 244 |
type = event ? event.type : null, // workaround for #2317 |
| 245 |
list = (t.currentItem || t.element).find(":data(ui-droppable)").addBack(); |
| 246 |
|
| 247 |
droppablesLoop: for (i = 0; i < m.length; i++) { |
| 248 |
|
| 249 |
//No disabled and non-accepted |
| 250 |
if(m[i].options.disabled || (t && !m[i].accept.call(m[i].element[0],(t.currentItem || t.element)))) { |
| 251 |
continue; |
| 252 |
} |
| 253 |
|
| 254 |
// Filter out elements in the current dragged item |
| 255 |
for (j=0; j < list.length; j++) { |
| 256 |
if(list[j] === m[i].element[0]) { |
| 257 |
m[i].proportions.height = 0; |
| 258 |
continue droppablesLoop; |
| 259 |
} |
| 260 |
} |
| 261 |
|
| 262 |
m[i].visible = m[i].element.css("display") !== "none"; |
| 263 |
if(!m[i].visible) { |
| 264 |
continue; |
| 265 |
} |
| 266 |
|
| 267 |
//Activate the droppable if used directly from draggables |
| 268 |
if(type === "mousedown") { |
| 269 |
m[i]._activate.call(m[i], event); |
| 270 |
} |
| 271 |
|
| 272 |
m[i].offset = m[i].element.offset(); |
| 273 |
m[i].proportions = { width: m[i].element[0].offsetWidth, height: m[i].element[0].offsetHeight }; |
| 274 |
|
| 275 |
} |
| 276 |
|
| 277 |
}, |
| 278 |
drop: function(draggable, event) { |
| 279 |
|
| 280 |
var dropped = false; |
| 281 |
// Create a copy of the droppables in case the list changes during the drop (#9116) |
| 282 |
$.each(($.ui.ddmanager.droppables[draggable.options.scope] || []).slice(), function() { |
| 283 |
|
| 284 |
if(!this.options) { |
| 285 |
return; |
| 286 |
} |
| 287 |
if (!this.options.disabled && this.visible && $.ui.intersect(draggable, this, this.options.tolerance)) { |
| 288 |
dropped = this._drop.call(this, event) || dropped; |
| 289 |
} |
| 290 |
|
| 291 |
if (!this.options.disabled && this.visible && this.accept.call(this.element[0],(draggable.currentItem || draggable.element))) { |
| 292 |
this.isout = true; |
| 293 |
this.isover = false; |
| 294 |
this._deactivate.call(this, event); |
| 295 |
} |
| 296 |
|
| 297 |
}); |
| 298 |
return dropped; |
| 299 |
|
| 300 |
}, |
| 301 |
dragStart: function( draggable, event ) { |
| 302 |
//Listen for scrolling so that if the dragging causes scrolling the position of the droppables can be recalculated (see #5003) |
| 303 |
draggable.element.parentsUntil( "body" ).bind( "scroll.droppable", function() { |
| 304 |
if( !draggable.options.refreshPositions ) { |
| 305 |
$.ui.ddmanager.prepareOffsets( draggable, event ); |
| 306 |
} |
| 307 |
}); |
| 308 |
}, |
| 309 |
drag: function(draggable, event) { |
| 310 |
|
| 311 |
//If you have a highly dynamic page, you might try this option. It renders positions every time you move the mouse. |
| 312 |
if(draggable.options.refreshPositions) { |
| 313 |
$.ui.ddmanager.prepareOffsets(draggable, event); |
| 314 |
} |
| 315 |
|
| 316 |
//Run through all droppables and check their positions based on specific tolerance options |
| 317 |
$.each($.ui.ddmanager.droppables[draggable.options.scope] || [], function() { |
| 318 |
|
| 319 |
if(this.options.disabled || this.greedyChild || !this.visible) { |
| 320 |
return; |
| 321 |
} |
| 322 |
|
| 323 |
var parentInstance, scope, parent, |
| 324 |
intersects = $.ui.intersect(draggable, this, this.options.tolerance), |
| 325 |
c = !intersects && this.isover ? "isout" : (intersects && !this.isover ? "isover" : null); |
| 326 |
if(!c) { |
| 327 |
return; |
| 328 |
} |
| 329 |
|
| 330 |
if (this.options.greedy) { |
| 331 |
// find droppable parents with same scope |
| 332 |
scope = this.options.scope; |
| 333 |
parent = this.element.parents(":data(ui-droppable)").filter(function () { |
| 334 |
return $.data(this, "ui-droppable").options.scope === scope; |
| 335 |
}); |
| 336 |
|
| 337 |
if (parent.length) { |
| 338 |
parentInstance = $.data(parent[0], "ui-droppable"); |
| 339 |
parentInstance.greedyChild = (c === "isover"); |
| 340 |
} |
| 341 |
} |
| 342 |
|
| 343 |
// we just moved into a greedy child |
| 344 |
if (parentInstance && c === "isover") { |
| 345 |
parentInstance.isover = false; |
| 346 |
parentInstance.isout = true; |
| 347 |
parentInstance._out.call(parentInstance, event); |
| 348 |
} |
| 349 |
|
| 350 |
this[c] = true; |
| 351 |
this[c === "isout" ? "isover" : "isout"] = false; |
| 352 |
this[c === "isover" ? "_over" : "_out"].call(this, event); |
| 353 |
|
| 354 |
// we just moved out of a greedy child |
| 355 |
if (parentInstance && c === "isout") { |
| 356 |
parentInstance.isout = false; |
| 357 |
parentInstance.isover = true; |
| 358 |
parentInstance._over.call(parentInstance, event); |
| 359 |
} |
| 360 |
}); |
| 361 |
|
| 362 |
}, |
| 363 |
dragStop: function( draggable, event ) { |
| 364 |
draggable.element.parentsUntil( "body" ).unbind( "scroll.droppable" ); |
| 365 |
//Call prepareOffsets one final time since IE does not fire return scroll events when overflow was caused by drag (see #5003) |
| 366 |
if( !draggable.options.refreshPositions ) { |
| 367 |
$.ui.ddmanager.prepareOffsets( draggable, event ); |
| 368 |
} |
| 369 |
} |
| 370 |
}; |
| 371 |
|
| 372 |
})(jQuery); |
Parent Directory
| 
Revision Log