1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/tests/mochitest/ajax/mochikit/MochiKit/Sortable.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,589 @@
1.4 +/***
1.5 +Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
1.6 + Mochi-ized By Thomas Herve (_firstname_@nimail.org)
1.7 +
1.8 +See scriptaculous.js for full license.
1.9 +
1.10 +***/
1.11 +
1.12 +if (typeof(dojo) != 'undefined') {
1.13 + dojo.provide('MochiKit.Sortable');
1.14 + dojo.require('MochiKit.Base');
1.15 + dojo.require('MochiKit.DOM');
1.16 + dojo.require('MochiKit.Iter');
1.17 +}
1.18 +
1.19 +if (typeof(JSAN) != 'undefined') {
1.20 + JSAN.use("MochiKit.Base", []);
1.21 + JSAN.use("MochiKit.DOM", []);
1.22 + JSAN.use("MochiKit.Iter", []);
1.23 +}
1.24 +
1.25 +try {
1.26 + if (typeof(MochiKit.Base) == 'undefined' ||
1.27 + typeof(MochiKit.DOM) == 'undefined' ||
1.28 + typeof(MochiKit.Iter) == 'undefined') {
1.29 + throw "";
1.30 + }
1.31 +} catch (e) {
1.32 + throw "MochiKit.DragAndDrop depends on MochiKit.Base, MochiKit.DOM and MochiKit.Iter!";
1.33 +}
1.34 +
1.35 +if (typeof(MochiKit.Sortable) == 'undefined') {
1.36 + MochiKit.Sortable = {};
1.37 +}
1.38 +
1.39 +MochiKit.Sortable.NAME = 'MochiKit.Sortable';
1.40 +MochiKit.Sortable.VERSION = '1.4';
1.41 +
1.42 +MochiKit.Sortable.__repr__ = function () {
1.43 + return '[' + this.NAME + ' ' + this.VERSION + ']';
1.44 +};
1.45 +
1.46 +MochiKit.Sortable.toString = function () {
1.47 + return this.__repr__();
1.48 +};
1.49 +
1.50 +MochiKit.Sortable.EXPORT = [
1.51 +];
1.52 +
1.53 +MochiKit.Sortable.EXPORT_OK = [
1.54 +];
1.55 +
1.56 +MochiKit.Base.update(MochiKit.Sortable, {
1.57 + /***
1.58 +
1.59 + Manage sortables. Mainly use the create function to add a sortable.
1.60 +
1.61 + ***/
1.62 + sortables: {},
1.63 +
1.64 + _findRootElement: function (element) {
1.65 + while (element.tagName.toUpperCase() != "BODY") {
1.66 + if (element.id && MochiKit.Sortable.sortables[element.id]) {
1.67 + return element;
1.68 + }
1.69 + element = element.parentNode;
1.70 + }
1.71 + },
1.72 +
1.73 + /** @id MochiKit.Sortable.options */
1.74 + options: function (element) {
1.75 + element = MochiKit.Sortable._findRootElement(MochiKit.DOM.getElement(element));
1.76 + if (!element) {
1.77 + return;
1.78 + }
1.79 + return MochiKit.Sortable.sortables[element.id];
1.80 + },
1.81 +
1.82 + /** @id MochiKit.Sortable.destroy */
1.83 + destroy: function (element){
1.84 + var s = MochiKit.Sortable.options(element);
1.85 + var b = MochiKit.Base;
1.86 + var d = MochiKit.DragAndDrop;
1.87 +
1.88 + if (s) {
1.89 + MochiKit.Signal.disconnect(s.startHandle);
1.90 + MochiKit.Signal.disconnect(s.endHandle);
1.91 + b.map(function (dr) {
1.92 + d.Droppables.remove(dr);
1.93 + }, s.droppables);
1.94 + b.map(function (dr) {
1.95 + dr.destroy();
1.96 + }, s.draggables);
1.97 +
1.98 + delete MochiKit.Sortable.sortables[s.element.id];
1.99 + }
1.100 + },
1.101 +
1.102 + /** @id MochiKit.Sortable.create */
1.103 + create: function (element, options) {
1.104 + element = MochiKit.DOM.getElement(element);
1.105 + var self = MochiKit.Sortable;
1.106 +
1.107 + /** @id MochiKit.Sortable.options */
1.108 + options = MochiKit.Base.update({
1.109 +
1.110 + /** @id MochiKit.Sortable.element */
1.111 + element: element,
1.112 +
1.113 + /** @id MochiKit.Sortable.tag */
1.114 + tag: 'li', // assumes li children, override with tag: 'tagname'
1.115 +
1.116 + /** @id MochiKit.Sortable.dropOnEmpty */
1.117 + dropOnEmpty: false,
1.118 +
1.119 + /** @id MochiKit.Sortable.tree */
1.120 + tree: false,
1.121 +
1.122 + /** @id MochiKit.Sortable.treeTag */
1.123 + treeTag: 'ul',
1.124 +
1.125 + /** @id MochiKit.Sortable.overlap */
1.126 + overlap: 'vertical', // one of 'vertical', 'horizontal'
1.127 +
1.128 + /** @id MochiKit.Sortable.constraint */
1.129 + constraint: 'vertical', // one of 'vertical', 'horizontal', false
1.130 + // also takes array of elements (or ids); or false
1.131 +
1.132 + /** @id MochiKit.Sortable.containment */
1.133 + containment: [element],
1.134 +
1.135 + /** @id MochiKit.Sortable.handle */
1.136 + handle: false, // or a CSS class
1.137 +
1.138 + /** @id MochiKit.Sortable.only */
1.139 + only: false,
1.140 +
1.141 + /** @id MochiKit.Sortable.hoverclass */
1.142 + hoverclass: null,
1.143 +
1.144 + /** @id MochiKit.Sortable.ghosting */
1.145 + ghosting: false,
1.146 +
1.147 + /** @id MochiKit.Sortable.scroll */
1.148 + scroll: false,
1.149 +
1.150 + /** @id MochiKit.Sortable.scrollSensitivity */
1.151 + scrollSensitivity: 20,
1.152 +
1.153 + /** @id MochiKit.Sortable.scrollSpeed */
1.154 + scrollSpeed: 15,
1.155 +
1.156 + /** @id MochiKit.Sortable.format */
1.157 + format: /^[^_]*_(.*)$/,
1.158 +
1.159 + /** @id MochiKit.Sortable.onChange */
1.160 + onChange: MochiKit.Base.noop,
1.161 +
1.162 + /** @id MochiKit.Sortable.onUpdate */
1.163 + onUpdate: MochiKit.Base.noop,
1.164 +
1.165 + /** @id MochiKit.Sortable.accept */
1.166 + accept: null
1.167 + }, options);
1.168 +
1.169 + // clear any old sortable with same element
1.170 + self.destroy(element);
1.171 +
1.172 + // build options for the draggables
1.173 + var options_for_draggable = {
1.174 + revert: true,
1.175 + ghosting: options.ghosting,
1.176 + scroll: options.scroll,
1.177 + scrollSensitivity: options.scrollSensitivity,
1.178 + scrollSpeed: options.scrollSpeed,
1.179 + constraint: options.constraint,
1.180 + handle: options.handle
1.181 + };
1.182 +
1.183 + if (options.starteffect) {
1.184 + options_for_draggable.starteffect = options.starteffect;
1.185 + }
1.186 +
1.187 + if (options.reverteffect) {
1.188 + options_for_draggable.reverteffect = options.reverteffect;
1.189 + } else if (options.ghosting) {
1.190 + options_for_draggable.reverteffect = function (innerelement) {
1.191 + innerelement.style.top = 0;
1.192 + innerelement.style.left = 0;
1.193 + };
1.194 + }
1.195 +
1.196 + if (options.endeffect) {
1.197 + options_for_draggable.endeffect = options.endeffect;
1.198 + }
1.199 +
1.200 + if (options.zindex) {
1.201 + options_for_draggable.zindex = options.zindex;
1.202 + }
1.203 +
1.204 + // build options for the droppables
1.205 + var options_for_droppable = {
1.206 + overlap: options.overlap,
1.207 + containment: options.containment,
1.208 + hoverclass: options.hoverclass,
1.209 + onhover: self.onHover,
1.210 + tree: options.tree,
1.211 + accept: options.accept
1.212 + }
1.213 +
1.214 + var options_for_tree = {
1.215 + onhover: self.onEmptyHover,
1.216 + overlap: options.overlap,
1.217 + containment: options.containment,
1.218 + hoverclass: options.hoverclass,
1.219 + accept: options.accept
1.220 + }
1.221 +
1.222 + // fix for gecko engine
1.223 + MochiKit.DOM.removeEmptyTextNodes(element);
1.224 +
1.225 + options.draggables = [];
1.226 + options.droppables = [];
1.227 +
1.228 + // drop on empty handling
1.229 + if (options.dropOnEmpty || options.tree) {
1.230 + new MochiKit.DragAndDrop.Droppable(element, options_for_tree);
1.231 + options.droppables.push(element);
1.232 + }
1.233 + MochiKit.Base.map(function (e) {
1.234 + // handles are per-draggable
1.235 + var handle = options.handle ?
1.236 + MochiKit.DOM.getFirstElementByTagAndClassName(null,
1.237 + options.handle, e) : e;
1.238 + options.draggables.push(
1.239 + new MochiKit.DragAndDrop.Draggable(e,
1.240 + MochiKit.Base.update(options_for_draggable,
1.241 + {handle: handle})));
1.242 + new MochiKit.DragAndDrop.Droppable(e, options_for_droppable);
1.243 + if (options.tree) {
1.244 + e.treeNode = element;
1.245 + }
1.246 + options.droppables.push(e);
1.247 + }, (self.findElements(element, options) || []));
1.248 +
1.249 + if (options.tree) {
1.250 + MochiKit.Base.map(function (e) {
1.251 + new MochiKit.DragAndDrop.Droppable(e, options_for_tree);
1.252 + e.treeNode = element;
1.253 + options.droppables.push(e);
1.254 + }, (self.findTreeElements(element, options) || []));
1.255 + }
1.256 +
1.257 + // keep reference
1.258 + self.sortables[element.id] = options;
1.259 +
1.260 + options.lastValue = self.serialize(element);
1.261 + options.startHandle = MochiKit.Signal.connect(MochiKit.DragAndDrop.Draggables, 'start',
1.262 + MochiKit.Base.partial(self.onStart, element));
1.263 + options.endHandle = MochiKit.Signal.connect(MochiKit.DragAndDrop.Draggables, 'end',
1.264 + MochiKit.Base.partial(self.onEnd, element));
1.265 + },
1.266 +
1.267 + /** @id MochiKit.Sortable.onStart */
1.268 + onStart: function (element, draggable) {
1.269 + var self = MochiKit.Sortable;
1.270 + var options = self.options(element);
1.271 + options.lastValue = self.serialize(options.element);
1.272 + },
1.273 +
1.274 + /** @id MochiKit.Sortable.onEnd */
1.275 + onEnd: function (element, draggable) {
1.276 + var self = MochiKit.Sortable;
1.277 + self.unmark();
1.278 + var options = self.options(element);
1.279 + if (options.lastValue != self.serialize(options.element)) {
1.280 + options.onUpdate(options.element);
1.281 + }
1.282 + },
1.283 +
1.284 + // return all suitable-for-sortable elements in a guaranteed order
1.285 +
1.286 + /** @id MochiKit.Sortable.findElements */
1.287 + findElements: function (element, options) {
1.288 + return MochiKit.Sortable.findChildren(
1.289 + element, options.only, options.tree ? true : false, options.tag);
1.290 + },
1.291 +
1.292 + /** @id MochiKit.Sortable.findTreeElements */
1.293 + findTreeElements: function (element, options) {
1.294 + return MochiKit.Sortable.findChildren(
1.295 + element, options.only, options.tree ? true : false, options.treeTag);
1.296 + },
1.297 +
1.298 + /** @id MochiKit.Sortable.findChildren */
1.299 + findChildren: function (element, only, recursive, tagName) {
1.300 + if (!element.hasChildNodes()) {
1.301 + return null;
1.302 + }
1.303 + tagName = tagName.toUpperCase();
1.304 + if (only) {
1.305 + only = MochiKit.Base.flattenArray([only]);
1.306 + }
1.307 + var elements = [];
1.308 + MochiKit.Base.map(function (e) {
1.309 + if (e.tagName &&
1.310 + e.tagName.toUpperCase() == tagName &&
1.311 + (!only ||
1.312 + MochiKit.Iter.some(only, function (c) {
1.313 + return MochiKit.DOM.hasElementClass(e, c);
1.314 + }))) {
1.315 + elements.push(e);
1.316 + }
1.317 + if (recursive) {
1.318 + var grandchildren = MochiKit.Sortable.findChildren(e, only, recursive, tagName);
1.319 + if (grandchildren && grandchildren.length > 0) {
1.320 + elements = elements.concat(grandchildren);
1.321 + }
1.322 + }
1.323 + }, element.childNodes);
1.324 + return elements;
1.325 + },
1.326 +
1.327 + /** @id MochiKit.Sortable.onHover */
1.328 + onHover: function (element, dropon, overlap) {
1.329 + if (MochiKit.DOM.isParent(dropon, element)) {
1.330 + return;
1.331 + }
1.332 + var self = MochiKit.Sortable;
1.333 +
1.334 + if (overlap > .33 && overlap < .66 && self.options(dropon).tree) {
1.335 + return;
1.336 + } else if (overlap > 0.5) {
1.337 + self.mark(dropon, 'before');
1.338 + if (dropon.previousSibling != element) {
1.339 + var oldParentNode = element.parentNode;
1.340 + element.style.visibility = 'hidden'; // fix gecko rendering
1.341 + dropon.parentNode.insertBefore(element, dropon);
1.342 + if (dropon.parentNode != oldParentNode) {
1.343 + self.options(oldParentNode).onChange(element);
1.344 + }
1.345 + self.options(dropon.parentNode).onChange(element);
1.346 + }
1.347 + } else {
1.348 + self.mark(dropon, 'after');
1.349 + var nextElement = dropon.nextSibling || null;
1.350 + if (nextElement != element) {
1.351 + var oldParentNode = element.parentNode;
1.352 + element.style.visibility = 'hidden'; // fix gecko rendering
1.353 + dropon.parentNode.insertBefore(element, nextElement);
1.354 + if (dropon.parentNode != oldParentNode) {
1.355 + self.options(oldParentNode).onChange(element);
1.356 + }
1.357 + self.options(dropon.parentNode).onChange(element);
1.358 + }
1.359 + }
1.360 + },
1.361 +
1.362 + _offsetSize: function (element, type) {
1.363 + if (type == 'vertical' || type == 'height') {
1.364 + return element.offsetHeight;
1.365 + } else {
1.366 + return element.offsetWidth;
1.367 + }
1.368 + },
1.369 +
1.370 + /** @id MochiKit.Sortable.onEmptyHover */
1.371 + onEmptyHover: function (element, dropon, overlap) {
1.372 + var oldParentNode = element.parentNode;
1.373 + var self = MochiKit.Sortable;
1.374 + var droponOptions = self.options(dropon);
1.375 +
1.376 + if (!MochiKit.DOM.isParent(dropon, element)) {
1.377 + var index;
1.378 +
1.379 + var children = self.findElements(dropon, {tag: droponOptions.tag,
1.380 + only: droponOptions.only});
1.381 + var child = null;
1.382 +
1.383 + if (children) {
1.384 + var offset = self._offsetSize(dropon, droponOptions.overlap) * (1.0 - overlap);
1.385 +
1.386 + for (index = 0; index < children.length; index += 1) {
1.387 + if (offset - self._offsetSize(children[index], droponOptions.overlap) >= 0) {
1.388 + offset -= self._offsetSize(children[index], droponOptions.overlap);
1.389 + } else if (offset - (self._offsetSize (children[index], droponOptions.overlap) / 2) >= 0) {
1.390 + child = index + 1 < children.length ? children[index + 1] : null;
1.391 + break;
1.392 + } else {
1.393 + child = children[index];
1.394 + break;
1.395 + }
1.396 + }
1.397 + }
1.398 +
1.399 + dropon.insertBefore(element, child);
1.400 +
1.401 + self.options(oldParentNode).onChange(element);
1.402 + droponOptions.onChange(element);
1.403 + }
1.404 + },
1.405 +
1.406 + /** @id MochiKit.Sortable.unmark */
1.407 + unmark: function () {
1.408 + var m = MochiKit.Sortable._marker;
1.409 + if (m) {
1.410 + MochiKit.Style.hideElement(m);
1.411 + }
1.412 + },
1.413 +
1.414 + /** @id MochiKit.Sortable.mark */
1.415 + mark: function (dropon, position) {
1.416 + // mark on ghosting only
1.417 + var d = MochiKit.DOM;
1.418 + var self = MochiKit.Sortable;
1.419 + var sortable = self.options(dropon.parentNode);
1.420 + if (sortable && !sortable.ghosting) {
1.421 + return;
1.422 + }
1.423 +
1.424 + if (!self._marker) {
1.425 + self._marker = d.getElement('dropmarker') ||
1.426 + document.createElement('DIV');
1.427 + MochiKit.Style.hideElement(self._marker);
1.428 + d.addElementClass(self._marker, 'dropmarker');
1.429 + self._marker.style.position = 'absolute';
1.430 + document.getElementsByTagName('body').item(0).appendChild(self._marker);
1.431 + }
1.432 + var offsets = MochiKit.Position.cumulativeOffset(dropon);
1.433 + self._marker.style.left = offsets.x + 'px';
1.434 + self._marker.style.top = offsets.y + 'px';
1.435 +
1.436 + if (position == 'after') {
1.437 + if (sortable.overlap == 'horizontal') {
1.438 + self._marker.style.left = (offsets.x + dropon.clientWidth) + 'px';
1.439 + } else {
1.440 + self._marker.style.top = (offsets.y + dropon.clientHeight) + 'px';
1.441 + }
1.442 + }
1.443 + MochiKit.Style.showElement(self._marker);
1.444 + },
1.445 +
1.446 + _tree: function (element, options, parent) {
1.447 + var self = MochiKit.Sortable;
1.448 + var children = self.findElements(element, options) || [];
1.449 +
1.450 + for (var i = 0; i < children.length; ++i) {
1.451 + var match = children[i].id.match(options.format);
1.452 +
1.453 + if (!match) {
1.454 + continue;
1.455 + }
1.456 +
1.457 + var child = {
1.458 + id: encodeURIComponent(match ? match[1] : null),
1.459 + element: element,
1.460 + parent: parent,
1.461 + children: [],
1.462 + position: parent.children.length,
1.463 + container: self._findChildrenElement(children[i], options.treeTag.toUpperCase())
1.464 + }
1.465 +
1.466 + /* Get the element containing the children and recurse over it */
1.467 + if (child.container) {
1.468 + self._tree(child.container, options, child)
1.469 + }
1.470 +
1.471 + parent.children.push (child);
1.472 + }
1.473 +
1.474 + return parent;
1.475 + },
1.476 +
1.477 + /* Finds the first element of the given tag type within a parent element.
1.478 + Used for finding the first LI[ST] within a L[IST]I[TEM].*/
1.479 + _findChildrenElement: function (element, containerTag) {
1.480 + if (element && element.hasChildNodes) {
1.481 + containerTag = containerTag.toUpperCase();
1.482 + for (var i = 0; i < element.childNodes.length; ++i) {
1.483 + if (element.childNodes[i].tagName.toUpperCase() == containerTag) {
1.484 + return element.childNodes[i];
1.485 + }
1.486 + }
1.487 + }
1.488 + return null;
1.489 + },
1.490 +
1.491 + /** @id MochiKit.Sortable.tree */
1.492 + tree: function (element, options) {
1.493 + element = MochiKit.DOM.getElement(element);
1.494 + var sortableOptions = MochiKit.Sortable.options(element);
1.495 + options = MochiKit.Base.update({
1.496 + tag: sortableOptions.tag,
1.497 + treeTag: sortableOptions.treeTag,
1.498 + only: sortableOptions.only,
1.499 + name: element.id,
1.500 + format: sortableOptions.format
1.501 + }, options || {});
1.502 +
1.503 + var root = {
1.504 + id: null,
1.505 + parent: null,
1.506 + children: new Array,
1.507 + container: element,
1.508 + position: 0
1.509 + }
1.510 +
1.511 + return MochiKit.Sortable._tree(element, options, root);
1.512 + },
1.513 +
1.514 + /**
1.515 + * Specifies the sequence for the Sortable.
1.516 + * @param {Node} element Element to use as the Sortable.
1.517 + * @param {Object} newSequence New sequence to use.
1.518 + * @param {Object} options Options to use fro the Sortable.
1.519 + */
1.520 + setSequence: function (element, newSequence, options) {
1.521 + var self = MochiKit.Sortable;
1.522 + var b = MochiKit.Base;
1.523 + element = MochiKit.DOM.getElement(element);
1.524 + options = b.update(self.options(element), options || {});
1.525 +
1.526 + var nodeMap = {};
1.527 + b.map(function (n) {
1.528 + var m = n.id.match(options.format);
1.529 + if (m) {
1.530 + nodeMap[m[1]] = [n, n.parentNode];
1.531 + }
1.532 + n.parentNode.removeChild(n);
1.533 + }, self.findElements(element, options));
1.534 +
1.535 + b.map(function (ident) {
1.536 + var n = nodeMap[ident];
1.537 + if (n) {
1.538 + n[1].appendChild(n[0]);
1.539 + delete nodeMap[ident];
1.540 + }
1.541 + }, newSequence);
1.542 + },
1.543 +
1.544 + /* Construct a [i] index for a particular node */
1.545 + _constructIndex: function (node) {
1.546 + var index = '';
1.547 + do {
1.548 + if (node.id) {
1.549 + index = '[' + node.position + ']' + index;
1.550 + }
1.551 + } while ((node = node.parent) != null);
1.552 + return index;
1.553 + },
1.554 +
1.555 + /** @id MochiKit.Sortable.sequence */
1.556 + sequence: function (element, options) {
1.557 + element = MochiKit.DOM.getElement(element);
1.558 + var self = MochiKit.Sortable;
1.559 + var options = MochiKit.Base.update(self.options(element), options || {});
1.560 +
1.561 + return MochiKit.Base.map(function (item) {
1.562 + return item.id.match(options.format) ? item.id.match(options.format)[1] : '';
1.563 + }, MochiKit.DOM.getElement(self.findElements(element, options) || []));
1.564 + },
1.565 +
1.566 + /**
1.567 + * Serializes the content of a Sortable. Useful to send this content through a XMLHTTPRequest.
1.568 + * These options override the Sortable options for the serialization only.
1.569 + * @param {Node} element Element to serialize.
1.570 + * @param {Object} options Serialization options.
1.571 + */
1.572 + serialize: function (element, options) {
1.573 + element = MochiKit.DOM.getElement(element);
1.574 + var self = MochiKit.Sortable;
1.575 + options = MochiKit.Base.update(self.options(element), options || {});
1.576 + var name = encodeURIComponent(options.name || element.id);
1.577 +
1.578 + if (options.tree) {
1.579 + return MochiKit.Base.flattenArray(MochiKit.Base.map(function (item) {
1.580 + return [name + self._constructIndex(item) + "[id]=" +
1.581 + encodeURIComponent(item.id)].concat(item.children.map(arguments.callee));
1.582 + }, self.tree(element, options).children)).join('&');
1.583 + } else {
1.584 + return MochiKit.Base.map(function (item) {
1.585 + return name + "[]=" + encodeURIComponent(item);
1.586 + }, self.sequence(element, options)).join('&');
1.587 + }
1.588 + }
1.589 +});
1.590 +
1.591 +// trunk compatibility
1.592 +MochiKit.Sortable.Sortable = MochiKit.Sortable;
