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/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
/**
* @api
*/
define([
'underscore',
'mage/translate',
'./column'
], function (_, $t, Column) {
'use strict';
return Column.extend({
defaults: {
headerTmpl: 'ui/grid/columns/multiselect',
bodyTmpl: 'ui/grid/cells/multiselect',
controlVisibility: false,
sortable: false,
draggable: false,
menuVisible: false,
excludeMode: false,
allSelected: false,
indetermine: false,
preserveSelectionsOnFilter: false,
disabled: [],
selected: [],
excluded: [],
fieldClass: {
'data-grid-checkbox-cell': true
},
actions: [{
value: 'selectAll',
label: $t('Select All')
}, {
value: 'deselectAll',
label: $t('Deselect All')
}, {
value: 'selectPage',
label: $t('Select All on This Page')
}, {
value: 'deselectPage',
label: $t('Deselect All on This Page')
}],
imports: {
totalRecords: '${ $.provider }:data.totalRecords',
showTotalRecords: '${ $.provider }:data.showTotalRecords',
rows: '${ $.provider }:data.items'
},
listens: {
'${ $.provider }:params.filters': 'onFilter',
'${ $.provider }:params.search': 'onSearch',
selected: 'onSelectedChange',
rows: 'onRowsChange'
},
modules: {
source: '${ $.provider }'
}
},
/**
* Initializes observable properties.
*
* @returns {Multiselect} Chainable.
*/
initObservable: function () {
this._super()
.observe([
'disabled',
'selected',
'excluded',
'excludeMode',
'totalSelected',
'allSelected',
'indetermine',
'totalRecords',
'showTotalRecords',
'rows'
]);
return this;
},
/**
* Selects specified record.
*
* @param {*} id - See definition of 'getId' method.
* @param {Boolean} [isIndex=false] - See definition of 'getId' method.
* @returns {Multiselect} Chainable.
*/
select: function (id, isIndex) {
this._setSelection(id, isIndex, true);
return this;
},
/**
* Deselects specified record.
*
* @param {*} id - See definition of 'getId' method.
* @param {Boolean} [isIndex=false] - See definition of 'getId' method.
* @returns {Multiselect} Chainable.
*/
deselect: function (id, isIndex) {
this._setSelection(id, isIndex, false);
return this;
},
/**
* Toggles selection of a specified record.
*
* @param {*} id - See definition of 'getId' method.
* @param {Boolean} [isIndex=false] - See definition of 'getId' method.
* @returns {Multiselect} Chainable.
*/
toggleSelect: function (id, isIndex) {
this._setSelection(id, isIndex, !this.isSelected(id, isIndex));
return this;
},
/**
* Checks if specified record is selected.
*
* @param {*} id - See definition of 'getId' method.
* @param {Boolean} [isIndex=false] - See definition of 'getId' method.
* @returns {Boolean}
*/
isSelected: function (id, isIndex) {
id = this.getId(id, isIndex);
return this.selected.contains(id);
},
/**
* Selects/deselects specified record base on a 'select' parameter value.
*
* @param {*} id - See definition of 'getId' method.
* @param {Boolean} [isIndex=false] - See definition of 'getId' method.
* @param {Boolean} select - Whether to select/deselect record.
* @returns {Multiselect} Chainable.
*/
_setSelection: function (id, isIndex, select) {
var selected = this.selected;
id = this.getId(id, isIndex);
if (!select && this.isSelected(id)) {
selected.remove(id);
} else if (select) {
selected.push(id);
}
return this;
},
/**
* Selects all records, even those that
* are not visible on the page.
*
* @returns {Multiselect} Chainable.
*/
selectAll: function () {
this.excludeMode(true);
this.clearExcluded()
.selectPage();
return this;
},
/**
* Deselects all records.
*
* @returns {Multiselect} Chainable.
*/
deselectAll: function () {
this.excludeMode(false);
this.clearExcluded();
this.selected.removeAll();
return this;
},
/**
* Selects or deselects all records.
*
* @returns {Multiselect} Chainable.
*/
toggleSelectAll: function () {
this.allSelected() ?
this.deselectAll() :
this.selectAll();
return this;
},
/**
* Selects all records on the current page.
*
* @returns {Multiselect} Chainable.
*/
selectPage: function () {
var selected = _.union(this.selected(), this.getIds());
selected = _.difference(selected, this.disabled());
this.selected(selected);
return this;
},
/**
* Deselects all records on the current page.
*
* @returns {Multiselect} Chainable.
*/
deselectPage: function () {
var pageIds = this.getIds();
this.selected.remove(function (value) {
return !!~pageIds.indexOf(value);
});
return this;
},
/**
* Selects or deselects all records on the current page.
*
* @returns {Multiselect} Chainable.
*/
togglePage: function () {
return this.isPageSelected() && !this.excluded().length ? this.deselectPage() : this.selectPage();
},
/**
* Clears the array of not selected records.
*
* @returns {Multiselect} Chainable.
*/
clearExcluded: function () {
this.excluded.removeAll();
return this;
},
/**
* Retrieve all id's from available records.
*
* @param {Boolean} [exclude] - Whether to exclude not selected ids' from result.
* @returns {Array} An array of ids'.
*/
getIds: function (exclude) {
var items = this.rows(),
ids = _.pluck(items, this.indexField);
return exclude ?
_.difference(ids, this.excluded()) :
ids;
},
/**
* Returns identifier of a record.
*
* @param {*} id - Id of a record or its' index in a rows array.
* @param {Boolean} [isIndex=false] - Flag that specifies with what
* kind of identifier we are dealing with.
* @returns {*}
*/
getId: function (id, isIndex) {
var record = this.rows()[id];
if (isIndex && record) {
id = record[this.indexField];
}
return id;
},
/**
* Recalculates list of the excluded records.
* Changes value of `excluded`.
*
* @param {Array} selected - List of the currently selected records.
* @returns {Multiselect} Chainable.
*/
updateExcluded: function (selected) {
var excluded = this.excluded(),
fromPage = _.difference(this.getIds(), selected);
excluded = _.union(excluded, fromPage);
excluded = _.difference(excluded, selected);
this.excluded(excluded);
return this;
},
/**
* Calculates number of selected records and
* updates 'totalSelected' property.
*
* @returns {Multiselect} Chainable.
*/
countSelected: function () {
var total = this.totalRecords(),
excluded = this.excluded().length,
selected = this.selected().length;
if (this.excludeMode()) {
selected = total - excluded;
}
this.totalSelected(selected);
return this;
},
/**
* Returns selected items on a current page.
*
* @returns {Array}
*/
getPageSelections: function () {
var ids = this.getIds();
return this.selected.filter(function (id) {
return _.contains(ids, id);
});
},
/**
* Returns selections data.
*
* @returns {Object}
*/
getSelections: function () {
return {
excluded: this.excluded(),
selected: this.selected(),
total: this.totalSelected(),
showTotalRecords: this.showTotalRecords(),
excludeMode: this.excludeMode(),
params: this.getFiltering()
};
},
/**
* Extracts filtering data from data provider.
*
* @returns {Object} Current filters state.
*/
getFiltering: function () {
var source = this.source(),
keys = ['filters', 'search', 'namespace'];
if (!source) {
return {};
}
return _.pick(source.get('params'), keys);
},
/**
* Defines if provided select/deselect actions is relevant.
* E.g. there is no need in a 'select page' action if only one
* page is available.
*
* @param {String} actionId - Id of the action to be checked.
* @returns {Boolean}
*/
isActionRelevant: function (actionId) {
var pageIds = this.getIds().length,
multiplePages = pageIds < this.totalRecords(),
relevant = true;
switch (actionId) {
case 'selectPage':
relevant = multiplePages && !this.isPageSelected(true);
break;
case 'deselectPage':
relevant = multiplePages && this.isPageSelected();
break;
case 'selectAll':
relevant = !this.allSelected();
break;
case 'deselectAll':
relevant = this.totalSelected() > 0;
}
return relevant;
},
/**
* Checks if current page has selected records.
*
* @param {Boolean} [all=false] - If set to 'true' checks that every
* record on the page is selected. Otherwise checks that
* page has some selected records.
* @returns {Boolean}
*/
isPageSelected: function (all) {
var pageIds = this.getIds(),
selected = this.selected(),
excluded = this.excluded(),
iterator = all ? 'every' : 'some';
if (this.allSelected()) {
return true;
}
if (this.excludeMode()) {
return pageIds[iterator](function (id) {
return !~excluded.indexOf(id);
});
}
return pageIds[iterator](function (id) {
return !!~selected.indexOf(id);
});
},
/**
* Updates values of the 'allSelected'
* and 'indetermine' properties.
*
* @returns {Multiselect} Chainable.
*/
updateState: function () {
var selected = this.selected().length,
excluded = this.excluded().length,
totalSelected = this.totalSelected(),
totalRecords = this.totalRecords(),
allSelected = totalRecords && totalSelected === totalRecords;
if (this.excludeMode()) {
if (excluded === totalRecords && !this.preserveSelectionsOnFilter) {
this.deselectAll();
}
} else if (totalRecords && selected === totalRecords && !this.preserveSelectionsOnFilter) {
this.selectAll();
}
this.allSelected(allSelected);
this.indetermine(totalSelected && !allSelected);
return this;
},
/**
* Overrides base method, because this component
* can't have global field action.
*
* @returns {Boolean} False.
*/
hasFieldAction: function () {
return false;
},
/**
* Callback method to handle changes of selected items.
*
* @param {Array} selected - An array of currently selected items.
*/
onSelectedChange: function (selected) {
this.updateExcluded(selected)
.countSelected()
.updateState();
},
/**
* Is invoked when rows has changed. Recalculates selected items
* based on "selectMode" property.
*/
onRowsChange: function () {
var newSelections;
if (this.excludeMode()) {
newSelections = _.union(this.getIds(true), this.selected());
this.selected(newSelections);
}
},
/**
* Is invoked when filtration is applied or removed
*/
onFilter: function () {
if (!this.preserveSelectionsOnFilter) {
this.deselectAll();
}
},
/**
* Is invoked when search is applied or removed
*/
onSearch: function () {
this.onFilter();
}
});
});