Browse Source

Implemented option order in DataSet and DataView

css_transitions
josdejong 11 years ago
parent
commit
997e2ccea5
7 changed files with 483 additions and 281 deletions
  1. +212
    -136
      src/dataset.js
  2. +6
    -3
      src/dataview.js
  3. +43
    -0
      test/dataset.js
  4. +1
    -0
      test/timeline.html
  5. +1
    -1
      tools/watch.js
  6. +217
    -138
      vis.js
  7. +3
    -3
      vis.min.js

+ 212
- 136
src/dataset.js View File

@ -32,7 +32,6 @@
* {Object.<String, String} fieldTypes
* A map with field names as key,
* and the field type as value.
* TODO: implement an option for a default order
* @constructor DataSet
*/
function DataSet (options) {
@ -262,7 +261,8 @@ DataSet.prototype.update = function (data, senderId) {
* {Object.<String, String>} [fieldTypes]
* {String[]} [fields] field names to be returned
* {function} [filter] filter items
* TODO: implement an option order
* {String | function} [order] Order the items by
* a field name or custom sort function.
* {Array | DataTable} [data] If provided, items will be appended to this
* array or table. Required in case of Google
* DataTable.
@ -315,108 +315,171 @@ DataSet.prototype.get = function (args) {
}
// build options
var itemOptions = this._composeItemOptions(options);
var fieldTypes = options && options.fieldTypes || this.options.fieldTypes;
var filter = options && options.filter;
var items = [], item, itemId, i, len;
var item, itemId, i, len;
if (type == 'DataTable') {
// return a Google DataTable
var columns = this._getColumnNames(data);
if (id != undefined) {
// return a single item
item = me._getItem(id, itemOptions);
if (item) {
this._appendRow(data, columns, item);
// cast items
if (id != undefined) {
// return a single item
item = me._getItem(id, fieldTypes);
if (filter && !filter(item)) {
item = null;
}
}
else if (ids != undefined) {
// return a subset of items
for (i = 0, len = ids.length; i < len; i++) {
item = me._getItem(ids[i], fieldTypes);
if (!filter || filter(item)) {
items.push(item);
}
}
else if (ids != undefined) {
// return a subset of items
for (i = 0, len = ids.length; i < len; i++) {
item = me._getItem(ids[i], itemOptions);
if (item) {
me._appendRow(data, columns, item);
}
else {
// return all items
for (itemId in this.data) {
if (this.data.hasOwnProperty(itemId)) {
item = me._getItem(itemId, fieldTypes);
if (!filter || filter(item)) {
items.push(item);
}
}
}
}
// order the results
if (options && options.order && id == undefined) {
this._sort(items, options.order);
}
// filter fields of the items
if (options && options.fields) {
var fields = options.fields;
if (id != undefined) {
item = this._filterFields(item, fields);
}
else {
// return all items
for (itemId in this.data) {
if (this.data.hasOwnProperty(itemId)) {
item = me._getItem(itemId, itemOptions);
if (item) {
me._appendRow(data, columns, item);
}
}
for (i = 0, len = items.length; i < len; i++) {
items[i] = this._filterFields(items[i], fields);
}
}
}
else {
// return an array
if (!data) {
data = [];
}
// return the results
if (type == 'DataTable') {
var columns = this._getColumnNames(data);
if (id != undefined) {
// return a single item
return me._getItem(id, itemOptions);
}
else if (ids != undefined) {
// return a subset of items
for (i = 0, len = ids.length; i < len; i++) {
item = me._getItem(ids[i], itemOptions);
if (item) {
data.push(item);
}
// append a single item to the data table
me._appendRow(data, columns, item);
}
else {
// copy the items to the provided data table
for (i = 0, len = items.length; i < len; i++) {
me._appendRow(data, columns, items[i]);
}
}
return data;
}
else {
// return an array
if (id != undefined) {
// a single item
return item;
}
else {
// return all items
for (itemId in this.data) {
if (this.data.hasOwnProperty(itemId)) {
item = me._getItem(itemId, itemOptions);
if (item) {
data.push(item);
}
// multiple items
if (data) {
// copy the items to the provided array
for (i = 0, len = items.length; i < len; i++) {
data.push(items[i]);
}
return data;
}
else {
// just return our array
return items;
}
}
}
return data;
};
/**
* Get ids of all items or from a filtered set of items.
* @param {Object} [options] An Object with options. Available options:
* {function} [filter] filter items
* TODO: implement an option order
* {String | function} [order] Order the items by
* a field name or custom sort function.
* @return {Array} ids
*/
DataSet.prototype.getIds = function (options) {
var data = this.data,
filter = options && options.filter,
order = options && options.order,
fieldTypes = options && options.fieldTypes || this.options.fieldTypes,
i,
len,
id,
item,
items,
ids = [];
if (options && options.filter) {
if (filter) {
// get filtered items
var itemOptions = this._composeItemOptions({
filter: options && options.filter
});
for (id in data) {
if (data.hasOwnProperty(id)) {
item = this._getItem(id, itemOptions);
if (item) {
ids.push(item[this.fieldId]);
if (order) {
// create ordered list
items = [];
for (id in data) {
if (data.hasOwnProperty(id)) {
item = this._getItem(id, fieldTypes);
if (filter(item)) {
items.push(item);
}
}
}
this._sort(items, order);
for (i = 0, len = items.length; i < len; i++) {
ids[i] = items[i][this.fieldId];
}
}
else {
// create unordered list
for (id in data) {
if (data.hasOwnProperty(id)) {
item = this._getItem(id, fieldTypes);
if (filter(item)) {
ids.push(item[this.fieldId]);
}
}
}
}
}
else {
// get all items
for (id in data) {
if (data.hasOwnProperty(id)) {
item = data[id];
ids.push(item[this.fieldId]);
if (order) {
// create an ordered list
items = [];
for (id in data) {
if (data.hasOwnProperty(id)) {
items.push(data[id]);
}
}
this._sort(items, order);
for (i = 0, len = items.length; i < len; i++) {
ids[i] = items[i][this.fieldId];
}
}
else {
// create unordered list
for (id in data) {
if (data.hasOwnProperty(id)) {
item = data[id];
ids.push(item[this.fieldId]);
}
}
}
}
@ -428,22 +491,38 @@ DataSet.prototype.getIds = function (options) {
* Execute a callback function for every item in the dataset.
* The order of the items is not determined.
* @param {function} callback
* @param {Object} [options] Available options:
* {Object.<String, String>} [fieldTypes]
* {String[]} [fields] filter fields
* {function} [filter] filter items
* TODO: implement an option order
* @param {Object} [options] Available options:
* {Object.<String, String>} [fieldTypes]
* {String[]} [fields] filter fields
* {function} [filter] filter items
* {String | function} [order] Order the items by
* a field name or custom sort function.
*/
DataSet.prototype.forEach = function (callback, options) {
var itemOptions = this._composeItemOptions(options),
var filter = options && options.filter,
fieldTypes = options && options.fieldTypes || this.options.fieldTypes,
data = this.data,
item;
item,
id;
for (var id in data) {
if (data.hasOwnProperty(id)) {
item = this._getItem(id, itemOptions);
if (item) {
callback(item, id);
if (options && options.order) {
// execute forEach on ordered list
var items = this.get(options);
for (var i = 0, len = items.length; i < len; i++) {
item = items[i];
id = item[this.fieldId];
callback(item, id);
}
}
else {
// unordered
for (id in data) {
if (data.hasOwnProperty(id)) {
item = this._getItem(id, fieldTypes);
if (!filter || filter(item)) {
callback(item, id);
}
}
}
}
@ -452,63 +531,83 @@ DataSet.prototype.forEach = function (callback, options) {
/**
* Map every item in the dataset.
* @param {function} callback
* @param {Object} [options] Available options:
* {Object.<String, String>} [fieldTypes]
* {String[]} [fields] filter fields
* {function} [filter] filter items
* TODO: implement an option order
* @param {Object} [options] Available options:
* {Object.<String, String>} [fieldTypes]
* {String[]} [fields] filter fields
* {function} [filter] filter items
* {String | function} [order] Order the items by
* a field name or custom sort function.
* @return {Object[]} mappedItems
*/
DataSet.prototype.map = function (callback, options) {
var itemOptions = this._composeItemOptions(options),
var filter = options && options.filter,
fieldTypes = options && options.fieldTypes || this.options.fieldTypes,
mappedItems = [],
data = this.data,
item;
// cast and filter items
for (var id in data) {
if (data.hasOwnProperty(id)) {
item = this._getItem(id, itemOptions);
if (item) {
item = this._getItem(id, fieldTypes);
if (!filter || filter(item)) {
mappedItems.push(callback(item, id));
}
}
}
// order items
if (options && options.order) {
this._sort(mappedItems, options.order);
}
return mappedItems;
};
/**
* Build an option set for getting an item. Options will be merged by the
* default options of the dataset.
* @param {Object} options
* @returns {Object} itemOptions
* Filter the fields of an item
* @param {Object} item
* @param {String[]} fields Field names
* @return {Object} filteredItem
* @private
*/
DataSet.prototype._composeItemOptions = function (options) {
var itemOptions = {},
field;
DataSet.prototype._filterFields = function (item, fields) {
var filteredItem = {};
if (options) {
// get the default field types
itemOptions.fieldTypes = {};
if (this.options && this.options.fieldTypes) {
util.extend(itemOptions.fieldTypes, this.options.fieldTypes);
for (var field in item) {
if (item.hasOwnProperty(field) && (fields.indexOf(field) != -1)) {
filteredItem[field] = item[field];
}
}
// extend field types with provided types
if (options.fieldTypes) {
util.extend(itemOptions.fieldTypes, options.fieldTypes);
}
return filteredItem;
};
if (options.fields) {
itemOptions.fields = options.fields;
}
if (options.filter) {
itemOptions.filter = options.filter;
}
/**
* Sort the provided array with items
* @param {Object[]} items
* @param {String | function} order A field name or custom sort function.
* @private
*/
DataSet.prototype._sort = function (items, order) {
if (util.isString(order)) {
// order by provided field name
var name = order; // field name
items.sort(function (a, b) {
var av = a[name];
var bv = b[name];
return (av > bv) ? 1 : ((av < bv) ? -1 : 0);
});
}
else if (typeof order === 'function') {
// order by sort function
items.sort(order);
}
// TODO: extend order by an Object {field:String, direction:String}
// where direction can be 'asc' or 'desc'
else {
throw new TypeError('Order must be a function or a string');
}
return itemOptions;
};
/**
@ -682,17 +781,13 @@ DataSet.prototype._addItem = function (item) {
};
/**
* Get, cast and filter an item
* Get an item. Fields can be casted to a specific type
* @param {String} id
* @param {Object} options Available options:
* {Object.<String, String>} fieldTypes Cast field types
* {String[]} fields Filter fields
* {function} filter Filter item, returns null if
* item does not match the filter
* @param {Object.<String, String>} [fieldTypes] Cast field types
* @return {Object | null} item
* @private
*/
DataSet.prototype._getItem = function (id, options) {
DataSet.prototype._getItem = function (id, fieldTypes) {
var field, value;
// get the item from the dataset
@ -705,8 +800,7 @@ DataSet.prototype._getItem = function (id, options) {
var casted = {},
fieldId = this.fieldId,
internalIds = this.internalIds;
if (options.fieldTypes) {
var fieldTypes = options.fieldTypes;
if (fieldTypes) {
for (field in raw) {
if (raw.hasOwnProperty(field)) {
value = raw[field];
@ -730,25 +824,7 @@ DataSet.prototype._getItem = function (id, options) {
}
}
// apply item filter
if (options.filter && !options.filter(casted)) {
return null;
}
// apply fields filter
if (options.fields) {
var filtered = {},
fields = options.fields;
for (field in casted) {
if (casted.hasOwnProperty(field) && (fields.indexOf(field) != -1)) {
filtered[field] = casted[field];
}
}
return filtered;
}
else {
return casted;
}
return casted;
};
/**

+ 6
- 3
src/dataview.js View File

@ -99,7 +99,8 @@ DataView.prototype.setData = function (data) {
* {Object.<String, String>} [fieldTypes]
* {String[]} [fields] field names to be returned
* {function} [filter] filter items
* TODO: implement an option order
* {String | function} [order] Order the items by
* a field name or custom sort function.
* {Array | DataTable} [data] If provided, items will be appended to this
* array or table. Required in case of Google
* DataTable.
@ -148,7 +149,8 @@ DataView.prototype.get = function (args) {
* Get ids of all items or from a filtered set of items.
* @param {Object} [options] An Object with options. Available options:
* {function} [filter] filter items
* TODO: implement an option order
* {String | function} [order] Order the items by
* a field name or custom sort function.
* @return {Array} ids
*/
DataView.prototype.getIds = function (options) {
@ -173,7 +175,8 @@ DataView.prototype.getIds = function (options) {
}
ids = this.data.getIds({
filter: filter
filter: filter,
order: options && options.order
});
}
else {

+ 43
- 0
test/dataset.js View File

@ -101,4 +101,47 @@ data.clear();
assert.equal(data.get().length, 0);
// test filtering and sorting
data = new vis.DataSet();
data.add([
{id:1, age: 30, group: 2},
{id:2, age: 25, group: 4},
{id:3, age: 17, group: 2},
{id:4, age: 27, group: 3}
]);
assert.deepEqual(data.get({order: 'age'}), [
{id:3, age: 17, group: 2},
{id:2, age: 25, group: 4},
{id:4, age: 27, group: 3},
{id:1, age: 30, group: 2}
]);
assert.deepEqual(data.getIds({order: 'age'}), [3,2,4,1]);
assert.deepEqual(data.get({order: 'age', fields: ['id']}), [
{id:3},
{id:2},
{id:4},
{id:1}
]);
assert.deepEqual(data.get({
order: 'age',
filter: function (item) {
return item.group == 2;
},
fields: ['id']
}), [
{id:3},
{id:1}
]);
assert.deepEqual(data.getIds({
order: 'age',
filter: function (item) {
return (item.group == 2);
}
}), [3,1]);
// TODO: extensively test DataSet

+ 1
- 0
test/timeline.html View File

@ -48,6 +48,7 @@
fieldId: '_id'
});
items.add([
{_id: 0, content: 'item 0', start: now.clone().add('days', 3).toDate()},
{_id: 1, content: 'item 1<br>start', start: now.clone().add('days', 4).toDate()},
{_id: 2, content: 'item 2', start: now.clone().add('days', -2).toDate() },
{_id: 3, content: 'item 3', start: now.clone().add('days', 2).toDate()},

+ 1
- 1
tools/watch.js View File

@ -24,7 +24,7 @@ function rebuild() {
// watch for changes in the code, rebuilt vis.js automatically
watch(WATCH_FOLDER, function(filename) {
console.log(filename, ' changed');
console.log(filename + ' changed');
rebuild();
});

+ 217
- 138
vis.js View File

@ -1525,7 +1525,6 @@ TimeStep.prototype.getLabelMajor = function(date) {
* {Object.<String, String} fieldTypes
* A map with field names as key,
* and the field type as value.
* TODO: implement an option for a default order
* @constructor DataSet
*/
function DataSet (options) {
@ -1755,7 +1754,8 @@ DataSet.prototype.update = function (data, senderId) {
* {Object.<String, String>} [fieldTypes]
* {String[]} [fields] field names to be returned
* {function} [filter] filter items
* TODO: implement an option order
* {String | function} [order] Order the items by
* a field name or custom sort function.
* {Array | DataTable} [data] If provided, items will be appended to this
* array or table. Required in case of Google
* DataTable.
@ -1808,108 +1808,171 @@ DataSet.prototype.get = function (args) {
}
// build options
var itemOptions = this._composeItemOptions(options);
var fieldTypes = options && options.fieldTypes || this.options.fieldTypes;
var filter = options && options.filter;
var items = [], item, itemId, i, len;
var item, itemId, i, len;
if (type == 'DataTable') {
// return a Google DataTable
var columns = this._getColumnNames(data);
if (id != undefined) {
// return a single item
item = me._getItem(id, itemOptions);
if (item) {
this._appendRow(data, columns, item);
// cast items
if (id != undefined) {
// return a single item
item = me._getItem(id, fieldTypes);
if (filter && !filter(item)) {
item = null;
}
}
else if (ids != undefined) {
// return a subset of items
for (i = 0, len = ids.length; i < len; i++) {
item = me._getItem(ids[i], fieldTypes);
if (!filter || filter(item)) {
items.push(item);
}
}
else if (ids != undefined) {
// return a subset of items
for (i = 0, len = ids.length; i < len; i++) {
item = me._getItem(ids[i], itemOptions);
if (item) {
me._appendRow(data, columns, item);
}
else {
// return all items
for (itemId in this.data) {
if (this.data.hasOwnProperty(itemId)) {
item = me._getItem(itemId, fieldTypes);
if (!filter || filter(item)) {
items.push(item);
}
}
}
}
// order the results
if (options && options.order && id == undefined) {
this._sort(items, options.order);
}
// filter fields of the items
if (options && options.fields) {
var fields = options.fields;
if (id != undefined) {
item = this._filterFields(item, fields);
}
else {
// return all items
for (itemId in this.data) {
if (this.data.hasOwnProperty(itemId)) {
item = me._getItem(itemId, itemOptions);
if (item) {
me._appendRow(data, columns, item);
}
}
for (i = 0, len = items.length; i < len; i++) {
items[i] = this._filterFields(items[i], fields);
}
}
}
else {
// return an array
if (!data) {
data = [];
}
// return the results
if (type == 'DataTable') {
var columns = this._getColumnNames(data);
if (id != undefined) {
// return a single item
return me._getItem(id, itemOptions);
// append a single item to the data table
me._appendRow(data, columns, item);
}
else if (ids != undefined) {
// return a subset of items
for (i = 0, len = ids.length; i < len; i++) {
item = me._getItem(ids[i], itemOptions);
if (item) {
data.push(item);
}
else {
// copy the items to the provided data table
for (i = 0, len = items.length; i < len; i++) {
me._appendRow(data, columns, items[i]);
}
}
return data;
}
else {
// return an array
if (id != undefined) {
// a single item
return item;
}
else {
// return all items
for (itemId in this.data) {
if (this.data.hasOwnProperty(itemId)) {
item = me._getItem(itemId, itemOptions);
if (item) {
data.push(item);
}
// multiple items
if (data) {
// copy the items to the provided array
for (i = 0, len = items.length; i < len; i++) {
data.push(items[i]);
}
return data;
}
else {
// just return our array
return items;
}
}
}
return data;
};
/**
* Get ids of all items or from a filtered set of items.
* @param {Object} [options] An Object with options. Available options:
* {function} [filter] filter items
* TODO: implement an option order
* {String | function} [order] Order the items by
* a field name or custom sort function.
* @return {Array} ids
*/
DataSet.prototype.getIds = function (options) {
var data = this.data,
filter = options && options.filter,
order = options && options.order,
fieldTypes = options && options.fieldTypes || this.options.fieldTypes,
i,
len,
id,
item,
items,
ids = [];
if (options && options.filter) {
if (filter) {
// get filtered items
var itemOptions = this._composeItemOptions({
filter: options && options.filter
});
for (id in data) {
if (data.hasOwnProperty(id)) {
item = this._getItem(id, itemOptions);
if (item) {
ids.push(item[this.fieldId]);
if (order) {
// create ordered list
items = [];
for (id in data) {
if (data.hasOwnProperty(id)) {
item = this._getItem(id, fieldTypes);
if (filter(item)) {
items.push(item);
}
}
}
this._sort(items, order);
for (i = 0, len = items.length; i < len; i++) {
ids[i] = items[i][this.fieldId];
}
}
else {
// create unordered list
for (id in data) {
if (data.hasOwnProperty(id)) {
item = this._getItem(id, fieldTypes);
if (filter(item)) {
ids.push(item[this.fieldId]);
}
}
}
}
}
else {
// get all items
for (id in data) {
if (data.hasOwnProperty(id)) {
item = data[id];
ids.push(item[this.fieldId]);
if (order) {
// create an ordered list
items = [];
for (id in data) {
if (data.hasOwnProperty(id)) {
items.push(data[id]);
}
}
this._sort(items, order);
for (i = 0, len = items.length; i < len; i++) {
ids[i] = items[i][this.fieldId];
}
}
else {
// create unordered list
for (id in data) {
if (data.hasOwnProperty(id)) {
item = data[id];
ids.push(item[this.fieldId]);
}
}
}
}
@ -1921,22 +1984,38 @@ DataSet.prototype.getIds = function (options) {
* Execute a callback function for every item in the dataset.
* The order of the items is not determined.
* @param {function} callback
* @param {Object} [options] Available options:
* {Object.<String, String>} [fieldTypes]
* {String[]} [fields] filter fields
* {function} [filter] filter items
* TODO: implement an option order
* @param {Object} [options] Available options:
* {Object.<String, String>} [fieldTypes]
* {String[]} [fields] filter fields
* {function} [filter] filter items
* {String | function} [order] Order the items by
* a field name or custom sort function.
*/
DataSet.prototype.forEach = function (callback, options) {
var itemOptions = this._composeItemOptions(options),
var filter = options && options.filter,
fieldTypes = options && options.fieldTypes || this.options.fieldTypes,
data = this.data,
item;
item,
id;
for (var id in data) {
if (data.hasOwnProperty(id)) {
item = this._getItem(id, itemOptions);
if (item) {
callback(item, id);
if (options && options.order) {
// execute forEach on ordered list
var items = this.get(options);
for (var i = 0, len = items.length; i < len; i++) {
item = items[i];
id = item[this.fieldId];
callback(item, id);
}
}
else {
// unordered
for (id in data) {
if (data.hasOwnProperty(id)) {
item = this._getItem(id, fieldTypes);
if (!filter || filter(item)) {
callback(item, id);
}
}
}
}
@ -1945,63 +2024,83 @@ DataSet.prototype.forEach = function (callback, options) {
/**
* Map every item in the dataset.
* @param {function} callback
* @param {Object} [options] Available options:
* {Object.<String, String>} [fieldTypes]
* {String[]} [fields] filter fields
* {function} [filter] filter items
* TODO: implement an option order
* @param {Object} [options] Available options:
* {Object.<String, String>} [fieldTypes]
* {String[]} [fields] filter fields
* {function} [filter] filter items
* {String | function} [order] Order the items by
* a field name or custom sort function.
* @return {Object[]} mappedItems
*/
DataSet.prototype.map = function (callback, options) {
var itemOptions = this._composeItemOptions(options),
var filter = options && options.filter,
fieldTypes = options && options.fieldTypes || this.options.fieldTypes,
mappedItems = [],
data = this.data,
item;
// cast and filter items
for (var id in data) {
if (data.hasOwnProperty(id)) {
item = this._getItem(id, itemOptions);
if (item) {
item = this._getItem(id, fieldTypes);
if (!filter || filter(item)) {
mappedItems.push(callback(item, id));
}
}
}
// order items
if (options && options.order) {
this._sort(mappedItems, options.order);
}
return mappedItems;
};
/**
* Build an option set for getting an item. Options will be merged by the
* default options of the dataset.
* @param {Object} options
* @returns {Object} itemOptions
* Filter the fields of an item
* @param {Object} item
* @param {String[]} fields Field names
* @return {Object} filteredItem
* @private
*/
DataSet.prototype._composeItemOptions = function (options) {
var itemOptions = {},
field;
DataSet.prototype._filterFields = function (item, fields) {
var filteredItem = {};
if (options) {
// get the default field types
itemOptions.fieldTypes = {};
if (this.options && this.options.fieldTypes) {
util.extend(itemOptions.fieldTypes, this.options.fieldTypes);
for (var field in item) {
if (item.hasOwnProperty(field) && (fields.indexOf(field) != -1)) {
filteredItem[field] = item[field];
}
}
// extend field types with provided types
if (options.fieldTypes) {
util.extend(itemOptions.fieldTypes, options.fieldTypes);
}
return filteredItem;
};
if (options.fields) {
itemOptions.fields = options.fields;
}
if (options.filter) {
itemOptions.filter = options.filter;
}
/**
* Sort the provided array with items
* @param {Object[]} items
* @param {String | function} order A field name or custom sort function.
* @private
*/
DataSet.prototype._sort = function (items, order) {
if (util.isString(order)) {
// order by provided field name
var name = order; // field name
items.sort(function (a, b) {
var av = a[name];
var bv = b[name];
return (av > bv) ? 1 : ((av < bv) ? -1 : 0);
});
}
else if (typeof order === 'function') {
// order by sort function
items.sort(order);
}
// TODO: extend order by an Object {field:String, direction:String}
// where direction can be 'asc' or 'desc'
else {
throw new TypeError('Order must be a function or a string');
}
return itemOptions;
};
/**
@ -2175,17 +2274,13 @@ DataSet.prototype._addItem = function (item) {
};
/**
* Get, cast and filter an item
* Get an item. Fields can be casted to a specific type
* @param {String} id
* @param {Object} options Available options:
* {Object.<String, String>} fieldTypes Cast field types
* {String[]} fields Filter fields
* {function} filter Filter item, returns null if
* item does not match the filter
* @param {Object.<String, String>} [fieldTypes] Cast field types
* @return {Object | null} item
* @private
*/
DataSet.prototype._getItem = function (id, options) {
DataSet.prototype._getItem = function (id, fieldTypes) {
var field, value;
// get the item from the dataset
@ -2198,8 +2293,7 @@ DataSet.prototype._getItem = function (id, options) {
var casted = {},
fieldId = this.fieldId,
internalIds = this.internalIds;
if (options.fieldTypes) {
var fieldTypes = options.fieldTypes;
if (fieldTypes) {
for (field in raw) {
if (raw.hasOwnProperty(field)) {
value = raw[field];
@ -2223,25 +2317,7 @@ DataSet.prototype._getItem = function (id, options) {
}
}
// apply item filter
if (options.filter && !options.filter(casted)) {
return null;
}
// apply fields filter
if (options.fields) {
var filtered = {},
fields = options.fields;
for (field in casted) {
if (casted.hasOwnProperty(field) && (fields.indexOf(field) != -1)) {
filtered[field] = casted[field];
}
}
return filtered;
}
else {
return casted;
}
return casted;
};
/**
@ -2405,7 +2481,8 @@ DataView.prototype.setData = function (data) {
* {Object.<String, String>} [fieldTypes]
* {String[]} [fields] field names to be returned
* {function} [filter] filter items
* TODO: implement an option order
* {String | function} [order] Order the items by
* a field name or custom sort function.
* {Array | DataTable} [data] If provided, items will be appended to this
* array or table. Required in case of Google
* DataTable.
@ -2454,7 +2531,8 @@ DataView.prototype.get = function (args) {
* Get ids of all items or from a filtered set of items.
* @param {Object} [options] An Object with options. Available options:
* {function} [filter] filter items
* TODO: implement an option order
* {String | function} [order] Order the items by
* a field name or custom sort function.
* @return {Array} ids
*/
DataView.prototype.getIds = function (options) {
@ -2479,7 +2557,8 @@ DataView.prototype.getIds = function (options) {
}
ids = this.data.getIds({
filter: filter
filter: filter,
order: options && options.order
});
}
else {

+ 3
- 3
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