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/**
* Attribute selector
*
* @author Julien Sanchez <julien@akeneo.com>
* @copyright 2016 Akeneo SAS (http://www.akeneo.com)
* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
*/
define(
[
'jquery',
'underscore',
'oro/translator',
'backbone',
'pim/i18n',
'pim/user-context',
'pim/fetcher-registry',
'pim/template/export/product/edit/content/structure/attributes-selector',
'pim/template/export/product/edit/content/structure/attribute-list'
],
function (
$,
_,
__,
Backbone,
i18n,
userContext,
fetcherRegistry,
template,
attributeListTemplate
) {
return Backbone.View.extend({
events: {
'click .attribute-groups li': 'changeAttributeGroup',
'keyup .search-field': 'updateSearch',
'click .clear': 'clear',
'click .remove': 'removeAttribute'
},
search: '',
curentFetchId: 0,
attributeListPage: 1,
isFetching: false,
selected: [],
currentGroup: null,
template: _.template(template),
attributeListTemplate: _.template(attributeListTemplate),
initialize: function () {
this.listenTo(this, 'selected:update:after', function (selected) {
this.$('.empty-message')
.addClass(0 === selected.length ? '' : 'AknMessageBox--hide')
.removeClass(0 === selected.length ? 'AknMessageBox--hide' : '');
});
},
/**
* {@inheritdoc}
*/
render: function () {
$.when(
fetcherRegistry.getFetcher('attribute-group').fetchAll(),
fetcherRegistry.getFetcher('attribute').fetchByIdentifiers(this.getSelected())
).then(function (attributeGroups, selectedAttributes) {
var scrollPositions = {};
_.each(this.$('[data-scroll-container]'), function (element) {
scrollPositions[element.dataset.scrollContainer] = element.scrollTop;
});
this.attributeListPage = 1;
this.isFetching = false;
var attributeCount;
Eif (null === this.currentGroup) {
attributeCount = _.reduce(attributeGroups, function (count, attributeGroup) {
return count + attributeGroup.attributes.length;
}, 0);
} else {
attributeCount = _.findWhere(attributeGroups, {code: this.currentGroup}).attributes.length;
}
this.$el.empty().append(this.template({
__: __,
i18n: i18n,
userContext: userContext,
attributeGroups: attributeGroups,
attributeCount: attributeCount,
currentGroup: this.currentGroup,
selectedAttributes: selectedAttributes
}));
this.initializeSortable();
this.updateAttributeList().then(function () {
_.each(scrollPositions, function (scrollPosition, key) {
this.$('[data-scroll-container="' + key + '"]').scrollTop(scrollPosition);
}.bind(this));
}.bind(this));
this.$('.attributes div').on('scroll', this.updateAttributeList.bind(this));
}.bind(this));
},
/**
* Set currently selected attributes
*
* @param {array} selected
*/
setSelected: function (selected) {
this.selected = selected;
this.trigger('selected:update:after', this.selected);
},
/**
* Get currently selected attributes
*
* @return {array}
*/
getSelected: function () {
return this.selected;
},
/**
* Change the current attribute group
*
* @param {event} event
*/
changeAttributeGroup: function (event) {
var newGroup = event.currentTarget.dataset.attributeGroupCode;
newGroup = '' !== newGroup ? newGroup : null;
this.search = '';
this.currentGroup = newGroup;
this.render();
},
/**
* Called each time the user type a letter on the search field
*/
updateSearch: function () {
this.search = this.$('.search-field').val();
this.attributeListPage = 1;
this.isFetching = false;
this.$('.attributes ul').empty();
this.updateAttributeList();
},
/**
* Clear the selected attributes
*/
clear: function () {
this.setSelected([]);
this.search = '';
this.render();
},
/**
* Called on each render, each, search event and each scroll event
*/
updateAttributeList: function () {
var attributeContainer = this.$('.attributes > .AknColumnConfigurator-listContainer');
var attributeList = attributeContainer.children('.AknVerticalList');
var needFetching = 0 > (
attributeList.height() - attributeContainer.scrollTop() - 2 * attributeContainer.height()
);
Eif (needFetching && !this.isFetching) {
this.curentFetchId++;
var fetchId = Number(this.curentFetchId);
var searchOptions = {
search: this.search,
options: {
excluded_identifiers: this.getSelected(),
page: this.attributeListPage,
limit: 20,
locale: userContext.get('catalogLocale')
}
};
Iif (null !== this.currentGroup) {
searchOptions.options.attribute_groups = [this.currentGroup];
}
this.isFetching = true;
return fetcherRegistry
.getFetcher('attribute')
.search(searchOptions)
.then(function (attributes) {
attributes = _.filter(attributes, function (attribute) {
return attribute.type !== 'pim_catalog_identifier';
});
if (fetchId !== this.curentFetchId) {
return;
}
attributeList.append(this.attributeListTemplate({
attributes: attributes,
i18n: i18n,
userContext: userContext
})
);
Eif (0 !== attributes.length) {
this.attributeListPage++;
this.isFetching = false;
}
}.bind(this));
}
},
/**
* Called to initialize the dropzones
*/
initializeSortable: function () {
this.$('.attributes ul, .selected-attributes ul').sortable({
connectWith: '.attributes ul, .selected-attributes ul',
containment: this.$el,
tolerance: 'pointer',
cursor: 'move',
stop: function () {
this.setSelected(_.map(this.$('.selected-attributes li'), function (element) {
return element.dataset.attributeCode;
}));
}.bind(this)
}).disableSelection();
},
/**
* Remove the clicked row from the selected attributes
*
* @param {event} event
*/
removeAttribute: function (event) {
var element = $(event.currentTarget).parents('li');
var selectedAttributes = this.getSelected();
selectedAttributes = _.without(selectedAttributes, element.data('attributeCode'));
this.setSelected(selectedAttributes);
this.$('.attributes > div ul').append(element);
}
});
}
);
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