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define([
'uiElement',
'underscore',
'ko'
], function (Element, _, ko) {
'use strict';
return Element.extend({
defaults: {
selected: [],
fields: [],
searchFields: [],
allSelectedState: false,
isSearchActive: false,
checkedFields: [],
newCheckedField: [],
fieldsToRemove: [],
copySelected: [],
elemIndex: 0,
uniqFor: '',
listens: {
selected: 'allSelectedStateCheck',
checkedFields: 'updateSelected'
},
modules: {
parentComponent: '${ $.parentName }'
},
searchValue: ''
},
initialize: function () {
this._super();
this.uniqFor = 'a' + Math.round(Math.random() * 100000);
this.prepareData();
return this;
},
initObservable: function () {
this._super().observe([
'allSelectedState',
'checkedFields',
'searchFields',
'searchValue',
'isSearchActive',
'selected',
'newCheckedField',
'fieldsToRemove'
]);
return this;
},
prepareData: function () {
_.each(this.checkedFields(), function (field) {
this.selected.push(field.code);
});
},
isAllSelected: function () {
if (this.searchFields().length) {
return this.isAllSearchSelected(this.searchFields());
}
return _.size(this.selected()) === _.size(this.fields);
},
isAllSearchSelected: function (fields) {
return fields.every(function (field) {
return _.contains(this.selected(), field.code);
}.bind(this));
},
updateSelected: function () {
this.selected(_.pluck(this.checkedFields(), 'code'));
},
checkClick: function () {
if (!this.isAllSelected()) {
var fields = this.searchFields().length ? this.searchFields() : this.fields;
fields.forEach(function (field) {
this.selected.remove(field.code);
this.selected.push(field.code);
}.bind(this));
this.copySelected = ko.toJS(this.selected).slice();
this.allSelectedState(true);
return true;
}
if (this.isSearchActive()) {
this.searchFields().forEach(function (field) {
this.selected.remove(field.code);
}.bind(this));
return true;
}
this.selected.removeAll();
return true;
},
allSelectedStateCheck: function () {
this.allSelectedState(this.isAllSelected());
},
getLabel: function (label, code) {
return label ? label + ' (' + code + ')' : code;
},
addField: function (parent, field) {
if (!this.isFieldSelected(field.code)) {
this.selected.push(field.code);
this.newCheckedField([field]);
}
this.parentComponent().closeModal();
},
isFieldSelected: function (code) {
return _.some(this.checkedFields(), function (field) {
if (!_.isUndefined(field)) {
return field.code === code;
}
return false;
})
},
addSelectedFields: function () {
var currentFieldsCodes = _.pluck(ko.toJS(this.checkedFields), 'code'),
selectedFieldsCodes = this.selected(),
toRemove = _.difference(currentFieldsCodes, selectedFieldsCodes),
toAdd = _.difference(selectedFieldsCodes, currentFieldsCodes);
if (!_.isEmpty(toRemove)) {
this.fieldsToRemove(toRemove);
}
if (!_.isEmpty(toAdd)) {
_.each(this.fields, function (field) {
if (_.contains(toAdd, field.code)) {
this.newCheckedField([field]);
}
}.bind(this));
}
},
changeSearch: function () {
if (this.searchValue().length === 0) {
this.clearSearch();
}
if (this.searchValue().length < 3) {
return true;
}
this.search();
},
clearSearch: function () {
const copySelected = this.selected().slice();
this.isSearchActive(false);
this.searchValue('');
this.searchFields([]);
this.selected(copySelected);
},
searchClick: function () {
this.search();
},
search: function () {
const copySelected = this.selected().slice();
this.isSearchActive(true);
this.searchFields(this.searchFilter(this.searchValue().trim()));
this.allSelectedStateCheck();
this.selected(copySelected);
},
searchFilter: function (value) {
return this.fields.filter(function (field) {
return field.code.indexOf(value) !== -1;
});
}
});
});