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/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
/**
* @api
*/
define([
'ko',
'mageUtils',
'underscore',
'uiLayout',
'uiCollection',
'uiRegistry',
'mage/translate',
'jquery'
], function (ko, utils, _, layout, uiCollection, registry, $t, $) {
'use strict';
/**
* Checks value type and cast to boolean if needed
*
* @param {*} value
*
* @returns {Boolean|*} casted or origin value
*/
function castValue(value) {
if (_.isUndefined(value) || value === '' || _.isNull(value)) {
return false;
}
return value;
}
/**
* Compares arrays.
*
* @param {Array} base - array as method bases its decision on first argument.
* @param {Array} current - second array
*
* @returns {Boolean} result - is current array equal to base array
*/
function compareArrays(base, current) {
var index = 0,
length = base.length;
if (base.length !== current.length) {
return false;
}
/*eslint-disable max-depth, eqeqeq, no-use-before-define */
for (index; index < length; index++) {
if (_.isArray(base[index]) && _.isArray(current[index])) {
if (!compareArrays(base[index], current[index])) {
return false;
}
} else if (typeof base[index] === 'object' && typeof current[index] === 'object') {
if (!compareObjects(base[index], current[index])) {
return false;
}
} else if (castValue(base[index]) != castValue(current[index])) {
return false;
}
}/*eslint-enable max-depth, eqeqeq, no-use-before-define */
return true;
}
/**
* Compares objects. Compares only properties from origin object,
* if current object has more properties - they are not considered
*
* @param {Object} base - first object
* @param {Object} current - second object
*
* @returns {Boolean} result - is current object equal to base object
*/
function compareObjects(base, current) {
var prop;
/*eslint-disable max-depth, eqeqeq*/
for (prop in base) {
if (_.isArray(base[prop]) && _.isArray(current[prop])) {
if (!compareArrays(base[prop], current[prop])) {
return false;
}
} else if (typeof base[prop] === 'object' && typeof current[prop] === 'object') {
if (!compareObjects(base[prop], current[prop])) {
return false;
}
} else if (castValue(base[prop]) != castValue(current[prop])) {
return false;
}
}/*eslint-enable max-depth, eqeqeq */
return true;
}
return uiCollection.extend({
defaults: {
defaultRecord: false,
columnsHeader: true,
columnsHeaderAfterRender: false,
columnsHeaderClasses: '',
labels: [],
recordTemplate: 'record',
collapsibleHeader: false,
additionalClasses: {},
visible: true,
disabled: false,
fit: false,
addButton: true,
addButtonLabel: $t('Add'),
recordData: [],
maxPosition: 0,
deleteProperty: 'delete',
identificationProperty: 'record_id',
deleteValue: true,
showSpinner: true,
isDifferedFromDefault: false,
defaultState: [],
defaultPagesState: {},
pagesChanged: {},
hasInitialPagesState: {},
changed: false,
fallbackResetTpl: 'ui/form/element/helper/fallback-reset-link',
dndConfig: {
name: '${ $.name }_dnd',
component: 'Magento_Ui/js/dynamic-rows/dnd',
template: 'ui/dynamic-rows/cells/dnd',
recordsProvider: '${ $.name }',
enabled: true
},
templates: {
record: {
parent: '${ $.$data.collection.name }',
name: '${ $.$data.index }',
dataScope: '${ $.$data.collection.index }.${ $.name }',
nodeTemplate: '${ $.parent }.${ $.$data.collection.recordTemplate }'
}
},
links: {
recordData: '${ $.provider }:${ $.dataScope }.${ $.index }'
},
listens: {
visible: 'setVisible',
disabled: 'setDisabled',
childTemplate: 'initHeader',
recordTemplate: 'onUpdateRecordTemplate',
recordData: 'setDifferedFromDefault parsePagesData setRecordDataToCache',
currentPage: 'changePage',
elems: 'checkSpinner',
changed: 'updateTrigger'
},
modules: {
dnd: '${ $.dndConfig.name }'
},
pages: 1,
pageSize: 20,
relatedData: [],
currentPage: 1,
recordDataCache: [],
startIndex: 0
},
/**
* Sets record data to cache
*/
setRecordDataToCache: function (data) {
this.recordDataCache = data;
},
/**
* Extends instance with default config, calls initialize of parent
* class, calls initChildren method, set observe variable.
* Use parent "track" method - wrapper observe array
*
* @returns {Object} Chainable.
*/
initialize: function () {
_.bindAll(this,
'processingDeleteRecord',
'onChildrenUpdate',
'checkDefaultState',
'renderColumnsHeader',
'deleteHandler',
'setDefaultState'
);
this._super()
.initChildren()
.initDnd()
.initDefaultRecord()
.setInitialProperty()
.setColumnsHeaderListener()
.checkSpinner();
this.on('recordData', this.checkDefaultState);
return this;
},
/**
* @inheritdoc
*/
bubble: function (event) {
if (event === 'deleteRecord' || event === 'update') {
return false;
}
return this._super();
},
/**
* Inits DND module
*
* @returns {Object} Chainable.
*/
initDnd: function () {
if (this.dndConfig.enabled) {
layout([this.dndConfig]);
}
return this;
},
/** @inheritdoc */
destroy: function () {
if (this.dnd()) {
this.dnd().destroy();
}
this._super();
},
/**
* Calls 'initObservable' of parent
*
* @returns {Object} Chainable.
*/
initObservable: function () {
this._super()
.track('childTemplate')
.observe([
'pages',
'currentPage',
'recordData',
'columnsHeader',
'visible',
'disabled',
'labels',
'showSpinner',
'isDifferedFromDefault',
'changed'
]);
return this;
},
/**
* @inheritdoc
*/
initElement: function (elem) {
this._super();
elem.on({
'deleteRecord': this.deleteHandler,
'update': this.onChildrenUpdate,
'addChild': this.setDefaultState
});
return this;
},
/**
* Handler for deleteRecord event
*
* @param {Number|String} index - element index
* @param {Number|String} id
*/
deleteHandler: function (index, id) {
var defaultState;
this.setDefaultState();
defaultState = this.defaultPagesState[this.currentPage()];
this.processingDeleteRecord(index, id);
this.pagesChanged[this.currentPage()] =
!compareArrays(defaultState, this.arrayFilter(this.getChildItems()));
this.changed(_.some(this.pagesChanged));
},
/**
* Set initial property to records data
*
* @returns {Object} Chainable.
*/
setInitialProperty: function () {
if (_.isArray(this.recordData())) {
this.recordData.each(function (data, index) {
this.source.set(this.dataScope + '.' + this.index + '.' + index + '.initialize', true);
}, this);
}
return this;
},
/**
* Handler for update event
*
* @param {Boolean} state
*/
onChildrenUpdate: function (state) {
var changed,
dataScope,
changedElemDataScope;
if (state && !this.hasInitialPagesState[this.currentPage()]) {
this.setDefaultState();
changed = this.getChangedElems(this.elems());
dataScope = this.elems()[0].dataScope.split('.');
dataScope.splice(dataScope.length - 1, 1);
changed.forEach(function (elem) {
changedElemDataScope = elem.dataScope.split('.');
changedElemDataScope.splice(0, dataScope.length);
changedElemDataScope[0] =
(parseInt(changedElemDataScope[0], 10) - this.pageSize * (this.currentPage() - 1)).toString();
this.setValueByPath(
this.defaultPagesState[this.currentPage()],
changedElemDataScope, elem.initialValue
);
}, this);
}
if (this.defaultPagesState[this.currentPage()]) {
this.setChangedForCurrentPage();
}
},
/**
* Set default dynamic-rows state or state before changing data
*
* @param {Array} data - defaultState data
*/
setDefaultState: function (data) {
var componentData,
childItems;
if (!this.hasInitialPagesState[this.currentPage()]) {
childItems = this.getChildItems();
componentData = childItems.length ?
utils.copy(childItems) :
utils.copy(this.getChildItems(this.recordDataCache));
componentData.forEach(function (dataObj) {
if (dataObj.hasOwnProperty('initialize')) {
delete dataObj.initialize;
}
});
this.hasInitialPagesState[this.currentPage()] = true;
this.defaultPagesState[this.currentPage()] = data ? data : this.arrayFilter(componentData);
}
},
/**
* Sets value to object by string path
*
* @param {Object} obj
* @param {Array|String} path
* @param {*} value
*/
setValueByPath: function (obj, path, value) {
var prop;
if (_.isString(path)) {
path = path.split('.');
}
if (path.length - 1) {
prop = obj[path[0]];
path.splice(0, 1);
this.setValueByPath(prop, path, value);
} else if (path.length && obj) {
obj[path[0]] = value;
}
},
/**
* Returns elements which changed self state
*
* @param {Array} array - data array
* @param {Array} changed - array with changed elements
* @returns {Array} changed - array with changed elements
*/
getChangedElems: function (array, changed) {
changed = changed || [];
array.forEach(function (elem) {
if (_.isFunction(elem.elems)) {
this.getChangedElems(elem.elems(), changed);
} else if (_.isFunction(elem.hasChanged) && elem.hasChanged()) {
changed.push(elem);
}
}, this);
return changed;
},
/**
* Checks columnsHeaderAfterRender property,
* and set listener on elems if needed
*
* @returns {Object} Chainable.
*/
setColumnsHeaderListener: function () {
if (this.columnsHeaderAfterRender) {
this.on('recordData', this.renderColumnsHeader);
if (_.isArray(this.recordData()) && this.recordData().length) {
this.renderColumnsHeader();
}
}
return this;
},
/**
* Checks whether component's state is default or not
*/
checkDefaultState: function () {
var isRecordDataArray = _.isArray(this.recordData()),
initialize,
hasNotDefaultRecords = isRecordDataArray ? !!this.recordData().filter(function (data) {
return !data.initialize;
}).length : false;
if (!this.hasInitialPagesState[this.currentPage()] && isRecordDataArray && hasNotDefaultRecords) {
this.hasInitialPagesState[this.currentPage()] = true;
this.defaultPagesState[this.currentPage()] = utils.copy(this.getChildItems().filter(function (data) {
initialize = data.initialize;
delete data.initialize;
return initialize;
}));
this.setChangedForCurrentPage();
} else if (this.hasInitialPagesState[this.currentPage()]) {
this.setChangedForCurrentPage();
}
},
/**
* Filters out deleted items from array
*
* @param {Array} data
*
* @returns {Array} filtered array
*/
arrayFilter: function (data) {
var prop;
/*eslint-disable no-loop-func*/
data.forEach(function (elem) {
for (prop in elem) {
if (_.isArray(elem[prop])) {
elem[prop] = _.filter(elem[prop], function (elemProp) {
return elemProp[this.deleteProperty] !== this.deleteValue;
}, this);
elem[prop].forEach(function (elemProp) {
if (_.isArray(elemProp)) {
elem[prop] = this.arrayFilter(elemProp);
}
}, this);
}
}
}, this);
/*eslint-enable no-loop-func*/
return data;
},
/**
* Triggers update event
*
* @param {Boolean} val
*/
updateTrigger: function (val) {
this.trigger('update', val);
},
/**
* Returns component state
*/
hasChanged: function () {
return this.changed();
},
/**
* Render column header
*/
renderColumnsHeader: function () {
this.recordData().length ? this.columnsHeader(true) : this.columnsHeader(false);
},
/**
* Init default record
*
* @returns Chainable.
*/
initDefaultRecord: function () {
if (this.defaultRecord && !this.recordData().length) {
this.addChild();
}
return this;
},
/**
* Create header template
*
* @param {Object} prop - instance obj
*
* @returns {Object} Chainable.
*/
createHeaderTemplate: function (prop) {
var visible = prop.visible !== false,
disabled = _.isUndefined(prop.disabled) ? this.disabled() : prop.disabled;
return {
visible: ko.observable(visible),
disabled: ko.observable(disabled)
};
},
/**
* Init header elements
*/
initHeader: function () {
var labels = [],
data;
if (!this.labels().length) {
_.each(this.childTemplate.children, function (cell) {
data = this.createHeaderTemplate(cell.config);
cell.config.labelVisible = false;
_.extend(data, {
defaultLabelVisible: data.visible(),
label: cell.config.label,
name: cell.name,
required: !!cell.config.validation,
columnsHeaderClasses: cell.config.columnsHeaderClasses,
sortOrder: cell.config.sortOrder
});
labels.push(data);
}, this);
this.labels(_.sortBy(labels, 'sortOrder'));
}
},
/**
* Set max element position
*
* @param {Number} position - element position
* @param {Object} elem - instance
*/
setMaxPosition: function (position, elem) {
if (position || position === 0) {
this.checkMaxPosition(position);
this.sort(position, elem);
} else {
this.maxPosition += 1;
}
},
/**
* Sort element by position
*
* @param {Number} position - element position
* @param {Object} elem - instance
*/
sort: function (position, elem) {
var that = this,
sorted,
updatedCollection;
if (this.elems().filter(function (el) {
return el.position || el.position === 0;
}).length !== this.getChildItems().length) {
return false;
}
if (!elem.containers.length) {
registry.get(elem.name, function () {
that.sort(position, elem);
});
return false;
}
sorted = this.elems().sort(function (propOne, propTwo) {
return ~~propOne.position - ~~propTwo.position;
});
updatedCollection = this.updatePosition(sorted, position, elem.name);
this.elems(updatedCollection);
},
/**
* Checking loader visibility
*
* @param {Array} elems
*/
checkSpinner: function (elems) {
this.showSpinner(!(!this.recordData().length || elems && elems.length === this.getChildItems().length));
},
/**
* Filtering data and calculates the quantity of pages
*
* @param {Array} data
*/
parsePagesData: function (data) {
this.relatedData = this.deleteProperty ?
_.filter(data, function (elem) {
return elem && elem[this.deleteProperty] !== this.deleteValue;
}, this) : data;
this._updatePagesQuantity();
},
/**
* Reinit record data in order to remove deleted values
*
* @return void
*/
reinitRecordData: function () {
this.recordData(
_.filter(this.recordData(), function (elem) {
return elem && elem[this.deleteProperty] !== this.deleteValue;
}, this)
);
},
/**
* Get items to rendering on current page
*
* @returns {Array} data
*/
getChildItems: function (data, page) {
var dataRecord = data || this.relatedData,
startIndex;
this.startIndex = (~~this.currentPage() - 1) * this.pageSize;
startIndex = page || this.startIndex;
return dataRecord.slice(startIndex, this.startIndex + parseInt(this.pageSize, 10));
},
/**
* Get record count with filtered delete property.
*
* @returns {Number} count
*/
getRecordCount: function () {
return _.filter(this.recordData(), function (record) {
return record && record[this.deleteProperty] !== this.deleteValue;
}, this).length;
},
/**
* Get number of columns
*
* @returns {Number} columns
*/
getColumnsCount: function () {
return this.labels().length + (this.dndConfig.enabled ? 1 : 0);
},
/**
* Processing pages before addChild
*
* @param {Object} ctx - element context
* @param {Number|String} index - element index
* @param {Number|String} prop - additional property to element
*/
processingAddChild: function (ctx, index, prop) {
this.bubble('addChild', false);
if (this.relatedData.length && this.relatedData.length % this.pageSize === 0) {
this.pages(this.pages() + 1);
this.nextPage();
} else if (~~this.currentPage() !== this.pages()) {
this.currentPage(this.pages());
}
this.addChild(ctx, index, prop);
},
/**
* Processing pages before deleteRecord
*
* @param {Number|String} index - element index
* @param {Number|String} recordId
*/
processingDeleteRecord: function (index, recordId) {
this.deleteRecord(index, recordId);
},
/**
* Change page
*
* @param {Number} page - current page
*/
changePage: function (page) {
this.clear();
if (page === 1 && !this.recordData().length) {
return false;
}
if (~~page > this.pages()) {
this.currentPage(this.pages());
return false;
} else if (~~page < 1) {
this.currentPage(1);
return false;
}
this.initChildren();
return true;
},
/**
* Check page
*
* @returns {Boolean} is page first or not
*/
isFirst: function () {
return this.currentPage() === 1;
},
/**
* Check page
*
* @returns {Boolean} is page last or not
*/
isLast: function () {
return this.currentPage() === this.pages();
},
/**
* Change page to next
*/
nextPage: function () {
this.currentPage(this.currentPage() + 1);
},
/**
* Change page to previous
*/
previousPage: function () {
this.currentPage(this.currentPage() - 1);
},
/**
* Check dependency and set position to elements
*
* @param {Array} collection - elems
* @param {Number} position - current position
* @param {String} elemName - element name
*
* @returns {Array} collection
*/
updatePosition: function (collection, position, elemName) {
var curPos,
parsePosition = ~~position,
result = _.filter(collection, function (record) {
return ~~record.position === parsePosition;
});
if (result[1]) {
curPos = parsePosition + 1;
result[0].name === elemName ? result[1].position = curPos : result[0].position = curPos;
this.updatePosition(collection, curPos);
}
return collection;
},
/**
* Check max elements position and set if max
*
* @param {Number} position - current position
*/
checkMaxPosition: function (position) {
var max = 0,
pos;
this.recordData.each(function (record) {
pos = ~~record.position;
pos > max ? max = pos : false;
});
max < position ? max = position : false;
this.maxPosition = max;
},
/**
* Remove and set new max position
*/
removeMaxPosition: function () {
this.maxPosition = 0;
this.elems.each(function (record) {
this.maxPosition < record.position ? this.maxPosition = ~~record.position : false;
}, this);
},
/**
* Update record template and rerender elems
*
* @param {String} recordName - record name
*/
onUpdateRecordTemplate: function (recordName) {
if (recordName) {
this.recordTemplate = recordName;
this.reload();
}
},
/**
* Delete record
*
* @param {Number} index - row index
*
*/
deleteRecord: function (index, recordId) {
var recordInstance,
lastRecord,
recordsData,
lastRecordIndex;
if (this.deleteProperty) {
recordsData = this.recordData();
recordInstance = _.find(this.elems(), function (elem) {
return elem.index === index;
});
recordInstance.destroy();
this.elems([]);
this._updateCollection();
this.removeMaxPosition();
recordsData[recordInstance.index][this.deleteProperty] = this.deleteValue;
this.recordData(recordsData);
this.reinitRecordData();
this.reload();
} else {
this.update = true;
if (~~this.currentPage() === this.pages()) {
lastRecordIndex = this.startIndex + this.getChildItems().length - 1;
lastRecord =
_.findWhere(this.elems(), {
index: lastRecordIndex
}) ||
_.findWhere(this.elems(), {
index: lastRecordIndex.toString()
});
lastRecord.destroy();
}
this.removeMaxPosition();
recordsData = this._getDataByProp(recordId);
this._updateData(recordsData);
this.update = false;
}
this._reducePages();
this._sort();
},
/**
* Update number of pages.
*
* @private
* @return void
*/
_updatePagesQuantity: function () {
var pages = Math.ceil(this.relatedData.length / this.pageSize) || 1;
this.pages(pages);
},
/**
* Reduce the number of pages
*
* @private
* @return void
*/
_reducePages: function () {
if (this.pages() < ~~this.currentPage()) {
this.currentPage(this.pages());
}
},
/**
* Get data object by some property
*
* @param {Number} id - element id
* @param {String} prop - property
*/
_getDataByProp: function (id, prop) {
prop = prop || this.identificationProperty;
return _.reject(this.getChildItems(), function (recordData) {
return recordData[prop].toString() === id.toString();
}, this);
},
/**
* Sort elems by position property
*/
_sort: function () {
this.elems(this.elems().sort(function (propOne, propTwo) {
return ~~propOne.position - ~~propTwo.position;
}));
},
/**
* Set new data to dataSource,
* delete element
*
* @param {Array} data - record data
*/
_updateData: function (data) {
var elems = _.clone(this.elems()),
path,
dataArr;
dataArr = this.recordData.splice(this.startIndex, this.recordData().length - this.startIndex);
dataArr.splice(0, this.pageSize);
elems = _.sortBy(this.elems(), function (elem) {
return ~~elem.index;
});
data.concat(dataArr).forEach(function (rec, idx) {
if (elems[idx]) {
elems[idx].recordId = rec[this.identificationProperty];
}
if (!rec.position) {
rec.position = this.maxPosition;
this.setMaxPosition();
}
path = this.dataScope + '.' + this.index + '.' + (this.startIndex + idx);
this.source.set(path, rec);
}, this);
this.elems(elems);
},
/**
* Rerender dynamic-rows elems
*/
reload: function () {
this.clear();
this.initChildren(false, true);
this._updatePagesQuantity();
/* After change page size need to check existing current page */
this._reducePages();
},
/**
* Update page size based on select change event.
* The value needs to be retrieved from select as ko value handler is executed after the event handler.
*
* @param {Object} component
* @param {jQuery.Event} event
*/
updatePageSize: function (component, event) {
this.pageSize = $(event.target).val();
this.reload();
},
/**
* Destroy all dynamic-rows elems
*
* @returns {Object} Chainable.
*/
clear: function () {
this.destroyChildren();
return this;
},
/**
* Reset data to initial value.
* Call method reset on child elements.
*/
reset: function () {
var elems = this.elems();
_.each(elems, function (elem) {
if (_.isFunction(elem.reset)) {
elem.reset();
}
});
},
/**
* Set classes
*
* @param {Object} data
*
* @returns {Object} Classes
*/
setClasses: function (data) {
var additional;
if (_.isString(data.additionalClasses)) {
additional = data.additionalClasses.split(' ');
data.additionalClasses = {};
additional.forEach(function (name) {
data.additionalClasses[name] = true;
});
}
if (!data.additionalClasses) {
data.additionalClasses = {};
}
_.extend(data.additionalClasses, {
'_fit': data.fit,
'_required': data.required,
'_error': data.error,
'_empty': !this.elems().length,
'_no-header': this.columnsHeaderAfterRender || this.collapsibleHeader
});
return data.additionalClasses;
},
/**
* Initialize children
*
* @returns {Object} Chainable.
*/
initChildren: function () {
this.showSpinner(true);
this.getChildItems().forEach(function (data, index) {
this.addChild(data, this.startIndex + index);
}, this);
return this;
},
/**
* Set visibility to dynamic-rows child
*
* @param {Boolean} state
*/
setVisible: function (state) {
this.elems.each(function (record) {
record.setVisible(state);
}, this);
},
/**
* Set disabled property to dynamic-rows child
*
* @param {Boolean} state
*/
setDisabled: function (state) {
this.elems.each(function (record) {
record.setDisabled(state);
}, this);
},
/**
* Set visibility to column
*
* @param {Number} index - column index
* @param {Boolean} state
*/
setVisibilityColumn: function (index, state) {
this.elems.each(function (record) {
record.setVisibilityColumn(index, state);
}, this);
},
/**
* Set disabled property to column
*
* @param {Number} index - column index
* @param {Boolean} state
*/
setDisabledColumn: function (index, state) {
this.elems.each(function (record) {
record.setDisabledColumn(index, state);
}, this);
},
/**
* Add child components
*
* @param {Object} data - component data
* @param {Number} index - record(row) index
* @param {Number|String} prop - custom identify property
*
* @returns {Object} Chainable.
*/
addChild: function (data, index, prop) {
var template = this.templates.record,
child;
index = index || _.isNumber(index) ? index : this.recordData().length;
prop = prop || _.isNumber(prop) ? prop : index;
_.extend(this.templates.record, {
recordId: prop
});
child = utils.template(template, {
collection: this,
index: index
});
layout([child]);
return this;
},
/**
* Restore value to default
*/
restoreToDefault: function () {
this.recordData(utils.copy(this.default));
this.reload();
},
/**
* Update whether value differs from default value
*/
setDifferedFromDefault: function () {
var recordData;
if (this.default) {
recordData = utils.copy(this.recordData());
Array.isArray(recordData) && recordData.forEach(function (item) {
delete item['record_id'];
});
this.isDifferedFromDefault(!_.isEqual(recordData, this.default));
}
},
/**
* Set the changed property if the current page is different
* than the default state
*
* @return void
*/
setChangedForCurrentPage: function () {
this.pagesChanged[this.currentPage()] =
!compareArrays(this.defaultPagesState[this.currentPage()], this.arrayFilter(this.getChildItems()));
this.changed(_.some(this.pagesChanged));
}
});
});