mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
590 lines
20 KiB
JavaScript
590 lines
20 KiB
JavaScript
/***
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Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
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Mochi-ized By Thomas Herve (_firstname_@nimail.org)
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See scriptaculous.js for full license.
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***/
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MochiKit.Base._deps('Sortable', ['Base', 'Iter', 'DOM', 'Position', 'DragAndDrop']);
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MochiKit.Sortable.NAME = 'MochiKit.Sortable';
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MochiKit.Sortable.VERSION = '1.4.2';
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MochiKit.Sortable.__repr__ = function () {
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return '[' + this.NAME + ' ' + this.VERSION + ']';
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};
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MochiKit.Sortable.toString = function () {
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return this.__repr__();
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};
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MochiKit.Sortable.EXPORT = [
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];
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MochiKit.Sortable.EXPORT_OK = [
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];
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MochiKit.Base.update(MochiKit.Sortable, {
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/***
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Manage sortables. Mainly use the create function to add a sortable.
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***/
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sortables: {},
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_findRootElement: function (element) {
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while (element.tagName.toUpperCase() != "BODY") {
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if (element.id && MochiKit.Sortable.sortables[element.id]) {
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return element;
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}
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element = element.parentNode;
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}
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},
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_createElementId: function(element) {
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if (element.id == null || element.id == "") {
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var d = MochiKit.DOM;
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var id;
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var count = 1;
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while (d.getElement(id = "sortable" + count) != null) {
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count += 1;
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}
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d.setNodeAttribute(element, "id", id);
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}
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},
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/** @id MochiKit.Sortable.options */
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options: function (element) {
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element = MochiKit.Sortable._findRootElement(MochiKit.DOM.getElement(element));
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if (!element) {
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return;
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}
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return MochiKit.Sortable.sortables[element.id];
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},
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/** @id MochiKit.Sortable.destroy */
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destroy: function (element){
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var s = MochiKit.Sortable.options(element);
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var b = MochiKit.Base;
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var d = MochiKit.DragAndDrop;
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if (s) {
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MochiKit.Signal.disconnect(s.startHandle);
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MochiKit.Signal.disconnect(s.endHandle);
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b.map(function (dr) {
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d.Droppables.remove(dr);
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}, s.droppables);
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b.map(function (dr) {
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dr.destroy();
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}, s.draggables);
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delete MochiKit.Sortable.sortables[s.element.id];
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}
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},
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/** @id MochiKit.Sortable.create */
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create: function (element, options) {
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element = MochiKit.DOM.getElement(element);
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var self = MochiKit.Sortable;
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self._createElementId(element);
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/** @id MochiKit.Sortable.options */
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options = MochiKit.Base.update({
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/** @id MochiKit.Sortable.element */
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element: element,
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/** @id MochiKit.Sortable.tag */
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tag: 'li', // assumes li children, override with tag: 'tagname'
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/** @id MochiKit.Sortable.dropOnEmpty */
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dropOnEmpty: false,
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/** @id MochiKit.Sortable.tree */
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tree: false,
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/** @id MochiKit.Sortable.treeTag */
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treeTag: 'ul',
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/** @id MochiKit.Sortable.overlap */
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overlap: 'vertical', // one of 'vertical', 'horizontal'
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/** @id MochiKit.Sortable.constraint */
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constraint: 'vertical', // one of 'vertical', 'horizontal', false
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// also takes array of elements (or ids); or false
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/** @id MochiKit.Sortable.containment */
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containment: [element],
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/** @id MochiKit.Sortable.handle */
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handle: false, // or a CSS class
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/** @id MochiKit.Sortable.only */
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only: false,
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/** @id MochiKit.Sortable.hoverclass */
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hoverclass: null,
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/** @id MochiKit.Sortable.ghosting */
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ghosting: false,
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/** @id MochiKit.Sortable.scroll */
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scroll: false,
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/** @id MochiKit.Sortable.scrollSensitivity */
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scrollSensitivity: 20,
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/** @id MochiKit.Sortable.scrollSpeed */
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scrollSpeed: 15,
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/** @id MochiKit.Sortable.format */
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format: /^[^_]*_(.*)$/,
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/** @id MochiKit.Sortable.onChange */
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onChange: MochiKit.Base.noop,
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/** @id MochiKit.Sortable.onUpdate */
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onUpdate: MochiKit.Base.noop,
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/** @id MochiKit.Sortable.accept */
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accept: null
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}, options);
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// clear any old sortable with same element
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self.destroy(element);
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// build options for the draggables
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var options_for_draggable = {
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revert: true,
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ghosting: options.ghosting,
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scroll: options.scroll,
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scrollSensitivity: options.scrollSensitivity,
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scrollSpeed: options.scrollSpeed,
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constraint: options.constraint,
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handle: options.handle
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};
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if (options.starteffect) {
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options_for_draggable.starteffect = options.starteffect;
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}
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if (options.reverteffect) {
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options_for_draggable.reverteffect = options.reverteffect;
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} else if (options.ghosting) {
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options_for_draggable.reverteffect = function (innerelement) {
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innerelement.style.top = 0;
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innerelement.style.left = 0;
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};
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}
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if (options.endeffect) {
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options_for_draggable.endeffect = options.endeffect;
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}
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if (options.zindex) {
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options_for_draggable.zindex = options.zindex;
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}
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// build options for the droppables
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var options_for_droppable = {
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overlap: options.overlap,
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containment: options.containment,
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hoverclass: options.hoverclass,
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onhover: self.onHover,
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tree: options.tree,
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accept: options.accept
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}
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var options_for_tree = {
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onhover: self.onEmptyHover,
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overlap: options.overlap,
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containment: options.containment,
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hoverclass: options.hoverclass,
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accept: options.accept
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}
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// fix for gecko engine
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MochiKit.DOM.removeEmptyTextNodes(element);
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options.draggables = [];
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options.droppables = [];
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// drop on empty handling
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if (options.dropOnEmpty || options.tree) {
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new MochiKit.DragAndDrop.Droppable(element, options_for_tree);
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options.droppables.push(element);
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}
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MochiKit.Base.map(function (e) {
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// handles are per-draggable
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var handle = options.handle ?
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MochiKit.DOM.getFirstElementByTagAndClassName(null,
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options.handle, e) : e;
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options.draggables.push(
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new MochiKit.DragAndDrop.Draggable(e,
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MochiKit.Base.update(options_for_draggable,
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{handle: handle})));
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new MochiKit.DragAndDrop.Droppable(e, options_for_droppable);
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if (options.tree) {
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e.treeNode = element;
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}
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options.droppables.push(e);
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}, (self.findElements(element, options) || []));
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if (options.tree) {
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MochiKit.Base.map(function (e) {
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new MochiKit.DragAndDrop.Droppable(e, options_for_tree);
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e.treeNode = element;
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options.droppables.push(e);
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}, (self.findTreeElements(element, options) || []));
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}
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// keep reference
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self.sortables[element.id] = options;
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options.lastValue = self.serialize(element);
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options.startHandle = MochiKit.Signal.connect(MochiKit.DragAndDrop.Draggables, 'start',
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MochiKit.Base.partial(self.onStart, element));
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options.endHandle = MochiKit.Signal.connect(MochiKit.DragAndDrop.Draggables, 'end',
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MochiKit.Base.partial(self.onEnd, element));
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},
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/** @id MochiKit.Sortable.onStart */
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onStart: function (element, draggable) {
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var self = MochiKit.Sortable;
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var options = self.options(element);
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options.lastValue = self.serialize(options.element);
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},
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/** @id MochiKit.Sortable.onEnd */
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onEnd: function (element, draggable) {
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var self = MochiKit.Sortable;
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self.unmark();
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var options = self.options(element);
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if (options.lastValue != self.serialize(options.element)) {
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options.onUpdate(options.element);
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}
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},
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// return all suitable-for-sortable elements in a guaranteed order
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/** @id MochiKit.Sortable.findElements */
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findElements: function (element, options) {
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return MochiKit.Sortable.findChildren(element, options.only, options.tree, options.tag);
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},
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/** @id MochiKit.Sortable.findTreeElements */
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findTreeElements: function (element, options) {
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return MochiKit.Sortable.findChildren(
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element, options.only, options.tree ? true : false, options.treeTag);
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},
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/** @id MochiKit.Sortable.findChildren */
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findChildren: function (element, only, recursive, tagName) {
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if (!element.hasChildNodes()) {
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return null;
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}
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tagName = tagName.toUpperCase();
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if (only) {
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only = MochiKit.Base.flattenArray([only]);
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}
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var elements = [];
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MochiKit.Base.map(function (e) {
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if (e.tagName &&
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e.tagName.toUpperCase() == tagName &&
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(!only ||
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MochiKit.Iter.some(only, function (c) {
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return MochiKit.DOM.hasElementClass(e, c);
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}))) {
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elements.push(e);
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}
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if (recursive) {
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var grandchildren = MochiKit.Sortable.findChildren(e, only, recursive, tagName);
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if (grandchildren && grandchildren.length > 0) {
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elements = elements.concat(grandchildren);
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}
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}
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}, element.childNodes);
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return elements;
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},
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/** @id MochiKit.Sortable.onHover */
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onHover: function (element, dropon, overlap) {
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if (MochiKit.DOM.isChildNode(dropon, element)) {
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return;
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}
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var self = MochiKit.Sortable;
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if (overlap > .33 && overlap < .66 && self.options(dropon).tree) {
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return;
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} else if (overlap > 0.5) {
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self.mark(dropon, 'before');
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if (dropon.previousSibling != element) {
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var oldParentNode = element.parentNode;
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element.style.visibility = 'hidden'; // fix gecko rendering
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dropon.parentNode.insertBefore(element, dropon);
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if (dropon.parentNode != oldParentNode) {
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self.options(oldParentNode).onChange(element);
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}
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self.options(dropon.parentNode).onChange(element);
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}
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} else {
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self.mark(dropon, 'after');
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var nextElement = dropon.nextSibling || null;
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if (nextElement != element) {
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var oldParentNode = element.parentNode;
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element.style.visibility = 'hidden'; // fix gecko rendering
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dropon.parentNode.insertBefore(element, nextElement);
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if (dropon.parentNode != oldParentNode) {
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self.options(oldParentNode).onChange(element);
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}
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self.options(dropon.parentNode).onChange(element);
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}
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}
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},
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_offsetSize: function (element, type) {
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if (type == 'vertical' || type == 'height') {
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return element.offsetHeight;
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} else {
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return element.offsetWidth;
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}
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},
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/** @id MochiKit.Sortable.onEmptyHover */
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onEmptyHover: function (element, dropon, overlap) {
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var oldParentNode = element.parentNode;
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var self = MochiKit.Sortable;
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var droponOptions = self.options(dropon);
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if (!MochiKit.DOM.isChildNode(dropon, element)) {
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var index;
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var children = self.findElements(dropon, {tag: droponOptions.tag,
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only: droponOptions.only});
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var child = null;
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if (children) {
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var offset = self._offsetSize(dropon, droponOptions.overlap) * (1.0 - overlap);
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for (index = 0; index < children.length; index += 1) {
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if (offset - self._offsetSize(children[index], droponOptions.overlap) >= 0) {
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offset -= self._offsetSize(children[index], droponOptions.overlap);
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} else if (offset - (self._offsetSize (children[index], droponOptions.overlap) / 2) >= 0) {
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child = index + 1 < children.length ? children[index + 1] : null;
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break;
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} else {
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child = children[index];
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break;
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}
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}
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}
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dropon.insertBefore(element, child);
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self.options(oldParentNode).onChange(element);
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droponOptions.onChange(element);
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}
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},
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/** @id MochiKit.Sortable.unmark */
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unmark: function () {
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var m = MochiKit.Sortable._marker;
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if (m) {
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MochiKit.Style.hideElement(m);
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}
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},
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/** @id MochiKit.Sortable.mark */
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mark: function (dropon, position) {
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// mark on ghosting only
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var d = MochiKit.DOM;
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var self = MochiKit.Sortable;
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var sortable = self.options(dropon.parentNode);
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if (sortable && !sortable.ghosting) {
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return;
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}
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if (!self._marker) {
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self._marker = d.getElement('dropmarker') ||
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document.createElement('DIV');
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MochiKit.Style.hideElement(self._marker);
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d.addElementClass(self._marker, 'dropmarker');
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self._marker.style.position = 'absolute';
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document.getElementsByTagName('body').item(0).appendChild(self._marker);
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}
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var offsets = MochiKit.Position.cumulativeOffset(dropon);
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self._marker.style.left = offsets.x + 'px';
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self._marker.style.top = offsets.y + 'px';
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if (position == 'after') {
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if (sortable.overlap == 'horizontal') {
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self._marker.style.left = (offsets.x + dropon.clientWidth) + 'px';
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} else {
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self._marker.style.top = (offsets.y + dropon.clientHeight) + 'px';
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}
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}
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MochiKit.Style.showElement(self._marker);
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},
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_tree: function (element, options, parent) {
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var self = MochiKit.Sortable;
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var children = self.findElements(element, options) || [];
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for (var i = 0; i < children.length; ++i) {
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var match = children[i].id.match(options.format);
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if (!match) {
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continue;
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}
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var child = {
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id: encodeURIComponent(match ? match[1] : null),
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element: element,
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parent: parent,
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children: [],
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position: parent.children.length,
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container: self._findChildrenElement(children[i], options.treeTag.toUpperCase())
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}
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/* Get the element containing the children and recurse over it */
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if (child.container) {
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self._tree(child.container, options, child)
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}
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parent.children.push (child);
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}
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return parent;
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},
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/* Finds the first element of the given tag type within a parent element.
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Used for finding the first LI[ST] within a L[IST]I[TEM].*/
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_findChildrenElement: function (element, containerTag) {
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if (element && element.hasChildNodes) {
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containerTag = containerTag.toUpperCase();
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for (var i = 0; i < element.childNodes.length; ++i) {
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if (element.childNodes[i].tagName.toUpperCase() == containerTag) {
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return element.childNodes[i];
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}
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}
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}
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return null;
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},
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/** @id MochiKit.Sortable.tree */
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tree: function (element, options) {
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element = MochiKit.DOM.getElement(element);
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var sortableOptions = MochiKit.Sortable.options(element);
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options = MochiKit.Base.update({
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tag: sortableOptions.tag,
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treeTag: sortableOptions.treeTag,
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only: sortableOptions.only,
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name: element.id,
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format: sortableOptions.format
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}, options || {});
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var root = {
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id: null,
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parent: null,
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children: new Array,
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container: element,
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position: 0
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}
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return MochiKit.Sortable._tree(element, options, root);
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},
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/**
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* Specifies the sequence for the Sortable.
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* @param {Node} element Element to use as the Sortable.
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* @param {Object} newSequence New sequence to use.
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* @param {Object} options Options to use fro the Sortable.
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*/
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setSequence: function (element, newSequence, options) {
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var self = MochiKit.Sortable;
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var b = MochiKit.Base;
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element = MochiKit.DOM.getElement(element);
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options = b.update(self.options(element), options || {});
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var nodeMap = {};
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b.map(function (n) {
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var m = n.id.match(options.format);
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if (m) {
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nodeMap[m[1]] = [n, n.parentNode];
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}
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n.parentNode.removeChild(n);
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}, self.findElements(element, options));
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b.map(function (ident) {
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var n = nodeMap[ident];
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if (n) {
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n[1].appendChild(n[0]);
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delete nodeMap[ident];
|
|
}
|
|
}, newSequence);
|
|
},
|
|
|
|
/* Construct a [i] index for a particular node */
|
|
_constructIndex: function (node) {
|
|
var index = '';
|
|
do {
|
|
if (node.id) {
|
|
index = '[' + node.position + ']' + index;
|
|
}
|
|
} while ((node = node.parent) != null);
|
|
return index;
|
|
},
|
|
|
|
/** @id MochiKit.Sortable.sequence */
|
|
sequence: function (element, options) {
|
|
element = MochiKit.DOM.getElement(element);
|
|
var self = MochiKit.Sortable;
|
|
var options = MochiKit.Base.update(self.options(element), options || {});
|
|
|
|
return MochiKit.Base.map(function (item) {
|
|
return item.id.match(options.format) ? item.id.match(options.format)[1] : '';
|
|
}, MochiKit.DOM.getElement(self.findElements(element, options) || []));
|
|
},
|
|
|
|
/**
|
|
* Serializes the content of a Sortable. Useful to send this content through a XMLHTTPRequest.
|
|
* These options override the Sortable options for the serialization only.
|
|
* @param {Node} element Element to serialize.
|
|
* @param {Object} options Serialization options.
|
|
*/
|
|
serialize: function (element, options) {
|
|
element = MochiKit.DOM.getElement(element);
|
|
var self = MochiKit.Sortable;
|
|
options = MochiKit.Base.update(self.options(element), options || {});
|
|
var name = encodeURIComponent(options.name || element.id);
|
|
|
|
if (options.tree) {
|
|
return MochiKit.Base.flattenArray(MochiKit.Base.map(function (item) {
|
|
return [name + self._constructIndex(item) + "[id]=" +
|
|
encodeURIComponent(item.id)].concat(item.children.map(arguments.callee));
|
|
}, self.tree(element, options).children)).join('&');
|
|
} else {
|
|
return MochiKit.Base.map(function (item) {
|
|
return name + "[]=" + encodeURIComponent(item);
|
|
}, self.sequence(element, options)).join('&');
|
|
}
|
|
}
|
|
});
|
|
|
|
// trunk compatibility
|
|
MochiKit.Sortable.Sortable = MochiKit.Sortable;
|
|
|
|
MochiKit.Sortable.__new__ = function () {
|
|
MochiKit.Base.nameFunctions(this);
|
|
|
|
this.EXPORT_TAGS = {
|
|
":common": this.EXPORT,
|
|
":all": MochiKit.Base.concat(this.EXPORT, this.EXPORT_OK)
|
|
};
|
|
};
|
|
|
|
MochiKit.Sortable.__new__();
|
|
|
|
MochiKit.Base._exportSymbols(this, MochiKit.Sortable);
|