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jquery.mjs.pmxe_nestedSortable.js
437 lines
| 1 | /* |
| 2 | * jQuery UI Nested Sortable |
| 3 | * v 1.3.5 / 21 jun 2012 |
| 4 | * http://mjsarfatti.com/code/nestedSortable |
| 5 | * |
| 6 | * Depends on: |
| 7 | * jquery.ui.sortable.js 1.8+ |
| 8 | * |
| 9 | * Copyright (c) 2010-2012 Manuele J Sarfatti |
| 10 | * Licensed under the MIT License |
| 11 | * http://www.opensource.org/licenses/mit-license.php |
| 12 | */ |
| 13 | |
| 14 | (function($) { |
| 15 | |
| 16 | $.widget("mjs.pmxe_nestedSortable", $.extend({}, $.ui.sortable.prototype, { |
| 17 | |
| 18 | options: { |
| 19 | tabSize: 20, |
| 20 | disableNesting: 'mjs-pmxe_nestedSortable-no-nesting', |
| 21 | errorClass: 'mjs-pmxe_nestedSortable-error', |
| 22 | listType: 'ol', |
| 23 | maxLevels: 0, |
| 24 | protectRoot: false, |
| 25 | rootID: null, |
| 26 | rtl: false, |
| 27 | isAllowed: function(item, parent) { return true; } |
| 28 | }, |
| 29 | |
| 30 | _create: function() { |
| 31 | this.element.data('sortable', this.element.data('pmxe_nestedSortable')); |
| 32 | |
| 33 | if (!this.element.is(this.options.listType)) |
| 34 | throw new Error('pmxe_nestedSortable: Please check the listType option is set to your actual list type'); |
| 35 | |
| 36 | return $.ui.sortable.prototype._create.apply(this, arguments); |
| 37 | }, |
| 38 | |
| 39 | destroy: function() { |
| 40 | this.element |
| 41 | .removeData("pmxe_nestedSortable") |
| 42 | .unbind(".pmxe_nestedSortable"); |
| 43 | return $.ui.sortable.prototype.destroy.apply(this, arguments); |
| 44 | }, |
| 45 | |
| 46 | _mouseDrag: function(event) { |
| 47 | |
| 48 | //Compute the helpers position |
| 49 | this.position = this._generatePosition(event); |
| 50 | this.positionAbs = this._convertPositionTo("absolute"); |
| 51 | |
| 52 | if (!this.lastPositionAbs) { |
| 53 | this.lastPositionAbs = this.positionAbs; |
| 54 | } |
| 55 | |
| 56 | //Do scrolling |
| 57 | if(this.options.scroll) { |
| 58 | var o = this.options, scrolled = false; |
| 59 | if(this.scrollParent[0] != document && this.scrollParent[0].tagName != 'HTML') { |
| 60 | |
| 61 | if((this.overflowOffset.top + this.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity) |
| 62 | this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop + o.scrollSpeed; |
| 63 | else if(event.pageY - this.overflowOffset.top < o.scrollSensitivity) |
| 64 | this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop - o.scrollSpeed; |
| 65 | |
| 66 | if((this.overflowOffset.left + this.scrollParent[0].offsetWidth) - event.pageX < o.scrollSensitivity) |
| 67 | this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft + o.scrollSpeed; |
| 68 | else if(event.pageX - this.overflowOffset.left < o.scrollSensitivity) |
| 69 | this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft - o.scrollSpeed; |
| 70 | |
| 71 | } else { |
| 72 | |
| 73 | if(event.pageY - $(document).scrollTop() < o.scrollSensitivity) |
| 74 | scrolled = $(document).scrollTop($(document).scrollTop() - o.scrollSpeed); |
| 75 | else if($(window).height() - (event.pageY - $(document).scrollTop()) < o.scrollSensitivity) |
| 76 | scrolled = $(document).scrollTop($(document).scrollTop() + o.scrollSpeed); |
| 77 | |
| 78 | if(event.pageX - $(document).scrollLeft() < o.scrollSensitivity) |
| 79 | scrolled = $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed); |
| 80 | else if($(window).width() - (event.pageX - $(document).scrollLeft()) < o.scrollSensitivity) |
| 81 | scrolled = $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed); |
| 82 | |
| 83 | } |
| 84 | |
| 85 | if(scrolled !== false && $.ui.ddmanager && !o.dropBehaviour) |
| 86 | $.ui.ddmanager.prepareOffsets(this, event); |
| 87 | } |
| 88 | |
| 89 | this.dragDirection = { |
| 90 | vertical: this._getDragVerticalDirection(), |
| 91 | horizontal: this._getDragHorizontalDirection() |
| 92 | }; |
| 93 | |
| 94 | //Regenerate the absolute position used for position checks |
| 95 | this.positionAbs = this._convertPositionTo("absolute"); |
| 96 | |
| 97 | // Find the top offset before rearrangement, |
| 98 | var previousTopOffset = this.placeholder.offset().top; |
| 99 | |
| 100 | //Set the helper position |
| 101 | if(!this.options.axis || this.options.axis != "y") this.helper[0].style.left = this.position.left+'px'; |
| 102 | if(!this.options.axis || this.options.axis != "x") this.helper[0].style.top = this.position.top+'px'; |
| 103 | |
| 104 | //Rearrange |
| 105 | for (var i = this.items.length - 1; i >= 0; i--) { |
| 106 | |
| 107 | //Cache variables and intersection, continue if no intersection |
| 108 | var item = this.items[i], itemElement = item.item[0], intersection = this._intersectsWithPointer(item); |
| 109 | if (!intersection) continue; |
| 110 | |
| 111 | if(itemElement != this.currentItem[0] //cannot intersect with itself |
| 112 | && this.placeholder[intersection == 1 ? "next" : "prev"]()[0] != itemElement //no useless actions that have been done before |
| 113 | && !$.contains(this.placeholder[0], itemElement) //no action if the item moved is the parent of the item checked |
| 114 | && (this.options.type == 'semi-dynamic' ? !$.contains(this.element[0], itemElement) : true) |
| 115 | //&& itemElement.parentNode == this.placeholder[0].parentNode // only rearrange items within the same container |
| 116 | ) { |
| 117 | |
| 118 | $(itemElement).mouseenter(); |
| 119 | |
| 120 | this.direction = intersection == 1 ? "down" : "up"; |
| 121 | |
| 122 | if (this.options.tolerance == "pointer" || this._intersectsWithSides(item)) { |
| 123 | $(itemElement).mouseleave(); |
| 124 | this._rearrange(event, item); |
| 125 | } else { |
| 126 | break; |
| 127 | } |
| 128 | |
| 129 | // Clear emtpy ul's/ol's |
| 130 | this._clearEmpty(itemElement); |
| 131 | |
| 132 | this._trigger("change", event, this._uiHash()); |
| 133 | break; |
| 134 | } |
| 135 | } |
| 136 | |
| 137 | var parentItem = (this.placeholder[0].parentNode.parentNode && |
| 138 | $(this.placeholder[0].parentNode.parentNode).closest('.ui-sortable').length) |
| 139 | ? $(this.placeholder[0].parentNode.parentNode) |
| 140 | : null, |
| 141 | level = this._getLevel(this.placeholder), |
| 142 | childLevels = this._getChildLevels(this.helper); |
| 143 | |
| 144 | // To find the previous sibling in the list, keep backtracking until we hit a valid list item. |
| 145 | var previousItem = this.placeholder[0].previousSibling ? $(this.placeholder[0].previousSibling) : null; |
| 146 | if (previousItem != null) { |
| 147 | while (previousItem[0].nodeName.toLowerCase() != 'li' || previousItem[0] == this.currentItem[0] || previousItem[0] == this.helper[0]) { |
| 148 | if (previousItem[0].previousSibling) { |
| 149 | previousItem = $(previousItem[0].previousSibling); |
| 150 | } else { |
| 151 | previousItem = null; |
| 152 | break; |
| 153 | } |
| 154 | } |
| 155 | } |
| 156 | |
| 157 | // To find the next sibling in the list, keep stepping forward until we hit a valid list item. |
| 158 | var nextItem = this.placeholder[0].nextSibling ? $(this.placeholder[0].nextSibling) : null; |
| 159 | if (nextItem != null) { |
| 160 | while (nextItem[0].nodeName.toLowerCase() != 'li' || nextItem[0] == this.currentItem[0] || nextItem[0] == this.helper[0]) { |
| 161 | if (nextItem[0].nextSibling) { |
| 162 | nextItem = $(nextItem[0].nextSibling); |
| 163 | } else { |
| 164 | nextItem = null; |
| 165 | break; |
| 166 | } |
| 167 | } |
| 168 | } |
| 169 | |
| 170 | var newList = document.createElement(o.listType); |
| 171 | |
| 172 | this.beyondMaxLevels = 0; |
| 173 | |
| 174 | // If the item is moved to the left, send it to its parent's level unless there are siblings below it. |
| 175 | if (parentItem != null && nextItem == null && |
| 176 | (o.rtl && (this.positionAbs.left + this.helper.outerWidth() > parentItem.offset().left + parentItem.outerWidth()) || |
| 177 | !o.rtl && (this.positionAbs.left < parentItem.offset().left))) { |
| 178 | parentItem.after(this.placeholder[0]); |
| 179 | this._clearEmpty(parentItem[0]); |
| 180 | this._trigger("change", event, this._uiHash()); |
| 181 | } |
| 182 | // If the item is below a sibling and is moved to the right, make it a child of that sibling. |
| 183 | else if (previousItem != null && |
| 184 | (o.rtl && (this.positionAbs.left + this.helper.outerWidth() < previousItem.offset().left + previousItem.outerWidth() - o.tabSize) || |
| 185 | !o.rtl && (this.positionAbs.left > previousItem.offset().left + o.tabSize))) { |
| 186 | this._isAllowed(previousItem, level, level+childLevels+1); |
| 187 | if (!previousItem.children(o.listType).length) { |
| 188 | previousItem[0].appendChild(newList); |
| 189 | } |
| 190 | // If this item is being moved from the top, add it to the top of the list. |
| 191 | if (previousTopOffset && (previousTopOffset <= previousItem.offset().top)) { |
| 192 | previousItem.children(o.listType).prepend(this.placeholder); |
| 193 | } |
| 194 | // Otherwise, add it to the bottom of the list. |
| 195 | else { |
| 196 | previousItem.children(o.listType)[0].appendChild(this.placeholder[0]); |
| 197 | } |
| 198 | this._trigger("change", event, this._uiHash()); |
| 199 | } |
| 200 | else { |
| 201 | this._isAllowed(parentItem, level, level+childLevels); |
| 202 | } |
| 203 | |
| 204 | //Post events to containers |
| 205 | this._contactContainers(event); |
| 206 | |
| 207 | //Interconnect with droppables |
| 208 | if($.ui.ddmanager) $.ui.ddmanager.drag(this, event); |
| 209 | |
| 210 | //Call callbacks |
| 211 | this._trigger('sort', event, this._uiHash()); |
| 212 | |
| 213 | this.lastPositionAbs = this.positionAbs; |
| 214 | return false; |
| 215 | |
| 216 | }, |
| 217 | |
| 218 | _mouseStop: function(event, noPropagation) { |
| 219 | |
| 220 | // If the item is in a position not allowed, send it back |
| 221 | if (this.beyondMaxLevels) { |
| 222 | |
| 223 | this.placeholder.removeClass(this.options.errorClass); |
| 224 | |
| 225 | if (this.domPosition.prev) { |
| 226 | $(this.domPosition.prev).after(this.placeholder); |
| 227 | } else { |
| 228 | $(this.domPosition.parent).prepend(this.placeholder); |
| 229 | } |
| 230 | |
| 231 | this._trigger("revert", event, this._uiHash()); |
| 232 | |
| 233 | } |
| 234 | |
| 235 | // Clean last empty ul/ol |
| 236 | for (var i = this.items.length - 1; i >= 0; i--) { |
| 237 | var item = this.items[i].item[0]; |
| 238 | this._clearEmpty(item); |
| 239 | } |
| 240 | |
| 241 | $.ui.sortable.prototype._mouseStop.apply(this, arguments); |
| 242 | |
| 243 | }, |
| 244 | |
| 245 | serialize: function(options) { |
| 246 | |
| 247 | var o = $.extend({}, this.options, options), |
| 248 | items = this._getItemsAsjQuery(o && o.connected), |
| 249 | str = []; |
| 250 | |
| 251 | $(items).each(function() { |
| 252 | var res = ($(o.item || this).attr(o.attribute || 'id') || '') |
| 253 | .match(o.expression || (/(.+)[-=_](.+)/)), |
| 254 | pid = ($(o.item || this).parent(o.listType) |
| 255 | .parent(o.items) |
| 256 | .attr(o.attribute || 'id') || '') |
| 257 | .match(o.expression || (/(.+)[-=_](.+)/)); |
| 258 | |
| 259 | if (res) { |
| 260 | str.push(((o.key || res[1]) + '[' + (o.key && o.expression ? res[1] : res[2]) + ']') |
| 261 | + '=' |
| 262 | + (pid ? (o.key && o.expression ? pid[1] : pid[2]) : o.rootID)); |
| 263 | } |
| 264 | }); |
| 265 | |
| 266 | if(!str.length && o.key) { |
| 267 | str.push(o.key + '='); |
| 268 | } |
| 269 | |
| 270 | return str.join('&'); |
| 271 | |
| 272 | }, |
| 273 | |
| 274 | toHierarchy: function(options) { |
| 275 | |
| 276 | var o = $.extend({}, this.options, options), |
| 277 | sDepth = o.startDepthCount || 0, |
| 278 | ret = []; |
| 279 | |
| 280 | $(this.element).children(o.items).each(function () { |
| 281 | var level = _recursiveItems(this); |
| 282 | ret.push(level); |
| 283 | }); |
| 284 | |
| 285 | return ret; |
| 286 | |
| 287 | function _recursiveItems(item) { |
| 288 | var id = ($(item).attr(o.attribute || 'id') || '').match(o.expression || (/(.+)[-=_](.+)/)); |
| 289 | if (id) { |
| 290 | var currentItem = {"id" : id[2]}; |
| 291 | if ($(item).children(o.listType).children(o.items).length > 0) { |
| 292 | currentItem.children = []; |
| 293 | $(item).children(o.listType).children(o.items).each(function() { |
| 294 | var level = _recursiveItems(this); |
| 295 | currentItem.children.push(level); |
| 296 | }); |
| 297 | } |
| 298 | return currentItem; |
| 299 | } |
| 300 | } |
| 301 | }, |
| 302 | |
| 303 | toArray: function(options) { |
| 304 | |
| 305 | var o = $.extend({}, this.options, options), |
| 306 | sDepth = o.startDepthCount || 0, |
| 307 | ret = [], |
| 308 | left = 2; |
| 309 | |
| 310 | /*ret.push({ |
| 311 | "item_id": o.rootID, |
| 312 | "parent_id": 'none', |
| 313 | "depth": sDepth, |
| 314 | "left": '1', |
| 315 | "right": ($(o.items, this.element).length + 1) * 2 |
| 316 | });*/ |
| 317 | |
| 318 | $(this.element).children(o.items).each(function () { |
| 319 | left = _recursiveArray(this, sDepth + 1, left); |
| 320 | }); |
| 321 | |
| 322 | ret = ret.sort(function(a,b){ return (a.left - b.left); }); |
| 323 | |
| 324 | return ret; |
| 325 | |
| 326 | function _recursiveArray(item, depth, left) { |
| 327 | |
| 328 | var right = left + 1, |
| 329 | id, |
| 330 | pid; |
| 331 | |
| 332 | if ($(item).children(o.listType).children(o.items).length > 0) { |
| 333 | depth ++; |
| 334 | $(item).children(o.listType).children(o.items).each(function () { |
| 335 | right = _recursiveArray($(this), depth, right); |
| 336 | }); |
| 337 | depth --; |
| 338 | } |
| 339 | |
| 340 | id = ($(item).attr(o.attribute || 'id') || '').match(o.expression || (/(.+)[-=_](.+)/)); |
| 341 | |
| 342 | if (depth === sDepth + 1) { |
| 343 | pid = o.rootID; |
| 344 | } else { |
| 345 | var parentItem = ($(item).parent(o.listType) |
| 346 | .parent(o.items) |
| 347 | .attr(o.attribute || 'id')) |
| 348 | .match(o.expression || (/(.+)[-=_](.+)/)); |
| 349 | pid = parentItem[2]; |
| 350 | } |
| 351 | |
| 352 | if (id) { |
| 353 | |
| 354 | if(($(item).find('.condition:first').hasClass('last_condition')) ? false : $(item).find('input.rule_condition:checked').val()) { |
| 355 | var clause = ($(item).find('.condition:first').hasClass('last_condition')) ? false : $(item).find('input.rule_condition:checked').val().toUpperCase(); |
| 356 | |
| 357 | ret.push({"item_id": id[2], "left": left, "right": right, "parent_id": pid, "element":$(item).find('input.wp_all_export_xml_element').val(), "title" : $(item).find('input.wp_all_export_xml_element_title').val(), "condition" : $(item).find('input.wp_all_export_rule').val(), "value" : $(item).find('input.wp_all_export_value').val(), "clause" : clause }); |
| 358 | } |
| 359 | } |
| 360 | |
| 361 | left = right + 1; |
| 362 | return left; |
| 363 | } |
| 364 | |
| 365 | }, |
| 366 | |
| 367 | _clearEmpty: function(item) { |
| 368 | |
| 369 | var emptyList = $(item).children(this.options.listType); |
| 370 | if (emptyList.length && !emptyList.children().length) { |
| 371 | emptyList.remove(); |
| 372 | } |
| 373 | |
| 374 | }, |
| 375 | |
| 376 | _getLevel: function(item) { |
| 377 | |
| 378 | var level = 1; |
| 379 | |
| 380 | if (this.options.listType) { |
| 381 | var list = item.closest(this.options.listType); |
| 382 | while (list && list.length > 0 && |
| 383 | !list.is('.ui-sortable')) { |
| 384 | level++; |
| 385 | list = list.parent().closest(this.options.listType); |
| 386 | } |
| 387 | } |
| 388 | |
| 389 | return level; |
| 390 | }, |
| 391 | |
| 392 | _getChildLevels: function(parent, depth) { |
| 393 | var self = this, |
| 394 | o = this.options, |
| 395 | result = 0; |
| 396 | depth = depth || 0; |
| 397 | |
| 398 | $(parent).children(o.listType).children(o.items).each(function (index, child) { |
| 399 | result = Math.max(self._getChildLevels(child, depth + 1), result); |
| 400 | }); |
| 401 | |
| 402 | return depth ? result + 1 : result; |
| 403 | }, |
| 404 | |
| 405 | _isAllowed: function(parentItem, level, levels) { |
| 406 | var o = this.options, |
| 407 | isRoot = $(this.domPosition.parent).hasClass('ui-sortable') ? true : false, |
| 408 | maxLevels = this.placeholder.closest('.ui-sortable').pmxe_nestedSortable('option', 'maxLevels'); // this takes into account the maxLevels set to the recipient list |
| 409 | |
| 410 | // Is the root protected? |
| 411 | // Are we trying to nest under a no-nest? |
| 412 | // Are we nesting too deep? |
| 413 | if (!o.isAllowed(parentItem, this.placeholder) || |
| 414 | parentItem && parentItem.hasClass(o.disableNesting) || |
| 415 | o.protectRoot && (parentItem == null && !isRoot || isRoot && level > 1)) { |
| 416 | this.placeholder.addClass(o.errorClass); |
| 417 | if (maxLevels < levels && maxLevels != 0) { |
| 418 | this.beyondMaxLevels = levels - maxLevels; |
| 419 | } else { |
| 420 | this.beyondMaxLevels = 1; |
| 421 | } |
| 422 | } else { |
| 423 | if (maxLevels < levels && maxLevels != 0) { |
| 424 | this.placeholder.addClass(o.errorClass); |
| 425 | this.beyondMaxLevels = levels - maxLevels; |
| 426 | } else { |
| 427 | this.placeholder.removeClass(o.errorClass); |
| 428 | this.beyondMaxLevels = 0; |
| 429 | } |
| 430 | } |
| 431 | } |
| 432 | |
| 433 | })); |
| 434 | |
| 435 | $.mjs.pmxe_nestedSortable.prototype.options = $.extend({}, $.ui.sortable.prototype.options, $.mjs.pmxe_nestedSortable.prototype.options); |
| 436 | })(jQuery); |
| 437 |