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@ -2,23 +2,25 @@ |
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"use strict"; |
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"use strict"; |
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if (typeof define === "function" && define.amd) { |
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if (typeof define === "function" && define.amd) { |
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// AMD anonymous module
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// AMD anonymous module
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define(["knockout"], factory); |
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define(["knockout", "./Sortable"], factory); |
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} else if (typeof require === "function" && typeof exports === "object" && typeof module === "object") { |
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} else if (typeof require === "function" && typeof exports === "object" && typeof module === "object") { |
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// CommonJS module
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// CommonJS module
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var ko = require("knockout"); |
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var ko = require("knockout"); |
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factory(ko); |
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var Sortable = require('./Sortable'); |
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factory(ko, Sortable); |
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} else { |
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} else { |
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// No module loader (plain <script> tag) - put directly in global namespace
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// No module loader (plain <script> tag) - put directly in global namespace
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factory(window.ko); |
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factory(window.ko, window.Sortable); |
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} |
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} |
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})(function (ko) { |
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})(function (ko, Sortable) { |
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"use strict"; |
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"use strict"; |
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var init = function (element, valueAccessor, allBindings, viewModel, bindingContext, sortableOptions) { |
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var init = function (element, valueAccessor, allBindings, viewModel, bindingContext, sortableOptions) { |
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var options = buildOptions(valueAccessor, sortableOptions); |
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var options = buildOptions(valueAccessor, sortableOptions); |
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//It's seems that we cannot update the eventhandlers after we've created the sortable, so define them in init instead of update
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// It's seems that we cannot update the eventhandlers after we've created
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// the sortable, so define them in init instead of update
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['onStart', 'onEnd', 'onRemove', 'onAdd', 'onUpdate', 'onSort', 'onFilter'].forEach(function (e) { |
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['onStart', 'onEnd', 'onRemove', 'onAdd', 'onUpdate', 'onSort', 'onFilter'].forEach(function (e) { |
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if (options[e] || eventHandlers[e]) |
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if (options[e] || eventHandlers[e]) |
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options[e] = function (eventType, parentVM, parentBindings, handler, e) { |
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options[e] = function (eventType, parentVM, parentBindings, handler, e) { |
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@ -55,7 +57,8 @@ |
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var moveOperations = [], |
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var moveOperations = [], |
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tryMoveOperation = function (e, itemVM, parentVM, collection, parentBindings) { |
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tryMoveOperation = function (e, itemVM, parentVM, collection, parentBindings) { |
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//A move operation is the combination of a add and remove event, this is to make sure that we have both the target and origin collections
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// A move operation is the combination of a add and remove event,
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// this is to make sure that we have both the target and origin collections
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var currentOperation = { event: e, itemVM: itemVM, parentVM: parentVM, collection: collection, parentBindings: parentBindings }, |
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var currentOperation = { event: e, itemVM: itemVM, parentVM: parentVM, collection: collection, parentBindings: parentBindings }, |
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existingOperation = moveOperations.filter(function (op) { |
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existingOperation = moveOperations.filter(function (op) { |
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return op.itemVM === currentOperation.itemVM; |
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return op.itemVM === currentOperation.itemVM; |
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@ -65,7 +68,8 @@ |
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moveOperations.push(currentOperation); |
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moveOperations.push(currentOperation); |
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} |
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} |
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else { |
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else { |
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//We're finishing the operation and already have a handle on the operation item meaning that it's safe to remove it
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// We're finishing the operation and already have a handle on
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// the operation item meaning that it's safe to remove it
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moveOperations.splice(moveOperations.indexOf(existingOperation), 1); |
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moveOperations.splice(moveOperations.indexOf(existingOperation), 1); |
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var removeOperation = currentOperation.event.type === 'remove' ? currentOperation : existingOperation, |
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var removeOperation = currentOperation.event.type === 'remove' ? currentOperation : existingOperation, |
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@ -74,31 +78,36 @@ |
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moveItem(itemVM, removeOperation.collection, addOperation.collection, addOperation.event.clone, addOperation.event); |
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moveItem(itemVM, removeOperation.collection, addOperation.collection, addOperation.event.clone, addOperation.event); |
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} |
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} |
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}, |
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}, |
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//Moves an item from the to (collection to from (collection), these can be references to the same collection which means it's a sort,
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// Moves an item from the "to" collection to the "from" collection, these
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// can be references to the same collection which means it's a sort.
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// clone indicates if we should move or copy the item into the new collection
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// clone indicates if we should move or copy the item into the new collection
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moveItem = function (itemVM, from, to, clone, e) { |
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moveItem = function (itemVM, from, to, clone, e) { |
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// Unwrapping this allows us to manipulate the actual array
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// Unwrapping this allows us to manipulate the actual array
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var fromArray = from(), |
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var fromArray = from(), |
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//It's not certain that the items actual index is the same as the index reported by sortable due to filtering etc.
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// It's not certain that the items actual index is the same
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// as the index reported by sortable due to filtering etc.
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originalIndex = fromArray.indexOf(itemVM), |
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originalIndex = fromArray.indexOf(itemVM), |
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newIndex = e.newIndex; |
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newIndex = e.newIndex; |
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if (e.item.previousElementSibling) |
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if (e.item.previousElementSibling) |
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{ |
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newIndex = fromArray.indexOf(ko.dataFor(e.item.previousElementSibling)); |
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newIndex = fromArray.indexOf(ko.dataFor(e.item.previousElementSibling)); |
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if (originalIndex > newIndex) |
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if (originalIndex > newIndex) |
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newIndex = newIndex + 1; |
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newIndex = newIndex + 1; |
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} |
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// Remove sortables "unbound" element
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// Remove sortables "unbound" element
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e.item.parentNode.removeChild(e.item); |
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e.item.parentNode.removeChild(e.item); |
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// This splice is necessary for both clone and move/sort
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// This splice is necessary for both clone and move/sort
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// In sort/move since it shouldn't be at this index/in this array anymore
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// In sort/move since it shouldn't be at this index/in this array anymore
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//In clone since we have to work around knockouts valuHasMutated when manipulating arrays and avoid a "unbound" item added by sortable
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// In clone since we have to work around knockouts valuHasMutated
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// when manipulating arrays and avoid a "unbound" item added by sortable
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fromArray.splice(originalIndex, 1); |
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fromArray.splice(originalIndex, 1); |
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// Update the array, this will also remove sortables "unbound" clone
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// Update the array, this will also remove sortables "unbound" clone
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from.valueHasMutated(); |
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from.valueHasMutated(); |
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if (clone && from !== to) { |
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if (clone && from !== to) { |
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//Readd the item
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// Read the item
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fromArray.splice(originalIndex, 0, itemVM); |
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fromArray.splice(originalIndex, 0, itemVM); |
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// Force knockout to update
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// Force knockout to update
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from.valueHasMutated(); |
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from.valueHasMutated(); |
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@ -112,7 +121,8 @@ |
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handlers.onRemove = tryMoveOperation; |
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handlers.onRemove = tryMoveOperation; |
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handlers.onAdd = tryMoveOperation; |
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handlers.onAdd = tryMoveOperation; |
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handlers.onUpdate = function (e, itemVM, parentVM, collection, parentBindings) { |
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handlers.onUpdate = function (e, itemVM, parentVM, collection, parentBindings) { |
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//This will be performed as a sort since the to/from collections reference the same collection and clone is set to false
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// This will be performed as a sort since the to/from collections
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// reference the same collection and clone is set to false
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moveItem(itemVM, collection, collection, false, e); |
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moveItem(itemVM, collection, collection, false, e); |
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}; |
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}; |
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@ -121,7 +131,8 @@ |
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// bindingOptions are the options set in the "data-bind" attribute in the ui.
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// bindingOptions are the options set in the "data-bind" attribute in the ui.
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// options are custom options, for instance draggable/sortable specific options
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// options are custom options, for instance draggable/sortable specific options
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buildOptions = function (bindingOptions, options) { |
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buildOptions = function (bindingOptions, options) { |
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//deep clone/copy of properties from the "from" argument onto the "into" argument and returns the modified "into"
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// deep clone/copy of properties from the "from" argument onto
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// the "into" argument and returns the modified "into"
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var merge = function (into, from) { |
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var merge = function (into, from) { |
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for (var prop in from) { |
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for (var prop in from) { |
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if (Object.prototype.toString.call(from[prop]) === '[object Object]') { |
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if (Object.prototype.toString.call(from[prop]) === '[object Object]') { |
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@ -142,8 +153,9 @@ |
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// Make sure that we don't modify the provided settings object
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// Make sure that we don't modify the provided settings object
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options = merge({}, options); |
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options = merge({}, options); |
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//group is handled differently since we should both allow to change a draggable to a sortable (and vice versa),
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// group is handled differently since we should both allow to change
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//but still be able to set a name on a draggable without it becoming a drop target.
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// a draggable to a sortable (and vice versa), but still be able to set
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// a name on a draggable without it becoming a drop target.
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if (unwrappedOptions.group && Object.prototype.toString.call(unwrappedOptions.group) !== '[object Object]') { |
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if (unwrappedOptions.group && Object.prototype.toString.call(unwrappedOptions.group) !== '[object Object]') { |
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// group property is a name string declaration, convert to object.
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// group property is a name string declaration, convert to object.
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unwrappedOptions.group = { name: unwrappedOptions.group }; |
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unwrappedOptions.group = { name: unwrappedOptions.group }; |
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RubaXa
9 years ago