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[MIG] web_widget_float_formula: Migration to 12.0
This commit is contained in:
Alexey Pelykh
@@ -1,111 +1,200 @@
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/**
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* Copyright GRAP
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* Copyright 2016 LasLabs Inc.
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* License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
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**/
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* Copyright 2014-2015 GRAP
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* Copyright 2016 LasLabs Inc.
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* Copyright 2020 Brainbean Apps (https://brainbeanapps.com)
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* License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
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*/
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odoo.define('web_widget_float_formula', function(require) {
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"use strict";
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var form_view = require('web.FormView');
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form_view.include({
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// Ensure that formula is computed even if user saves right away and
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// clean up '_formula_text' value to avoid bugs in tree view
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_process_save: function(save_obj) {
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for (var f in this.fields) {
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if (!this.fields.hasOwnProperty(f)) { continue; }
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f = this.fields[f];
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if (f.hasOwnProperty('_formula_text') && f.$el.find('input').length > 0) {
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f._compute_result();
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f._clean_formula_text();
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var field_utils = require('web.field_utils');
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var pyUtils = require('web.py_utils');
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var NumericField = require('web.basic_fields').NumericField;
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var FieldMonetary = require('web.basic_fields').FieldMonetary;
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var FormulaFieldMixin = {
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//--------------------------------------------------------------------------
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// Private
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//--------------------------------------------------------------------------
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/**
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* Unaltered formula that user has entered.
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*
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* @private
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*/
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_formula: '',
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/**
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* Value of the field that was concealed during formula reveal.
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*
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* @private
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*/
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_concealedValue: '',
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/**
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* Returns formula prefix character
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*
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* @private
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*/
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_getFormulaPrefix: function () {
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return '=';
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},
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/**
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* Process formula if one is detected.
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*
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* @override
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* @private
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* @param {any} value
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* @param {Object} [options]
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*/
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_setValue: function (value, options) {
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this._formula = '';
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if (!!value && this._isFormula(value)) {
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try {
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var evaluated_value = this._evaluateFormula(value);
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this._formula = value;
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value = this._formatValue(evaluated_value);
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this.$input.val(value);
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} catch (err) {
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this._formula = '';
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} finally {
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this._concealedValue = '';
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}
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}
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return this._super(save_obj);
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return this._super(value, options);
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},
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/**
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* Checks if provided value is a formula.
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*
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* @private
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* @param {any} value
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*/
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_isFormula: function(value) {
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value = value.toString().replace(/\s+/gm, '');
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return value.startsWith(this._getFormulaPrefix())
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|| this._getOperatorsRegExp().test(value);
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},
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/**
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* Returns regular expression that matches all supported operators
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*
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* @private
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*/
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_getOperatorsRegExp: function () {
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return /((?:\+)|(?:\-)|(?:\*)|(?:\/)|(?:\()|(?:\))|(?:\%))/;
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},
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/**
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* Evaluate formula.
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*
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* @private
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* @param {any} formula
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*/
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_evaluateFormula: function(formula) {
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return pyUtils.py_eval(this._preparseFormula(formula));
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},
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/**
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* Pre-parses and sanitizes formula
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*
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* @private
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* @param {string} formula
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*/
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_preparseFormula: function(formula) {
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formula = formula.toString().replace(/\s+/gm, '');
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var prefix = this._getFormulaPrefix();
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if (formula.startsWith(prefix)) {
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formula = formula.substring(prefix.length);
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}
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var operatorsRegExp = this._getOperatorsRegExp();
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return formula.split(operatorsRegExp).reduce((tokens, token) => {
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if (token === '') {
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return tokens;
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}
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if (!operatorsRegExp.test(token)) {
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token = field_utils.parse.float(token);
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}
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tokens.push(token);
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return tokens;
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}, []).join('');
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},
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/**
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* Reveals formula
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*
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* @private
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*/
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_revealFormula: function () {
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if (!!this._formula) {
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this._concealedValue = this.$input.val();
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this.$input.val(this._formula);
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}
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},
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/**
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* Conceals formula
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*
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* @private
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*/
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_concealFormula: function () {
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var value = this.$input.val();
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if (!!value && this._isFormula(value)) {
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if (value !== this._formula) {
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this.commitChanges();
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} else if (!!this._concealedValue) {
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this.$input.val(this._concealedValue);
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this._concealedValue = '';
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}
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}
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},
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/**
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* Handles 'focus' event
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*
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* @private
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* @param {FocusEvent} event
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*/
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_onFocusFormulaField: function(event) {
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if (this.$input === undefined || this.mode !== 'edit') {
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return;
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}
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this._revealFormula();
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},
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/**
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* Handles 'blur' event
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*
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* @private
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* @param {FocusEvent} event
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*/
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_onBlurFormulaField: function(event) {
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if (this.$input === undefined || this.mode !== 'edit') {
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return;
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}
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this._concealFormula();
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},
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};
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NumericField.include({
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...FormulaFieldMixin,
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events: _.extend({}, NumericField.prototype.events, {
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'focus': '_onFocusFormulaField',
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'blur': '_onBlurFormulaField',
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}),
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});
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var core = require('web.core');
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core.bus.on('web_client_ready', null, function () {
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// Import localization values used to eval formula
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var translation_params = core._t.database.parameters;
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var decimal_point = translation_params.decimal_point;
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var thousands_sep = translation_params.thousands_sep;
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var field_float = require('web.form_widgets').FieldFloat;
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field_float.include({
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start: function() {
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this._super();
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this.on('blurred', this, this._compute_result);
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this.on('focused', this, this._display_formula);
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return this;
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},
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initialize_content: function() {
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this._clean_formula_text();
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return this._super();
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},
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_formula_text: '',
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_clean_formula_text: function() {
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this._formula_text = '';
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},
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_process_formula: function(formula) {
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try{
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formula = formula.toString();
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} catch (ex) {
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return false;
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}
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var clean_formula = formula.toString().replace(/^\s+|\s+$/g, '');
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if (clean_formula[0] == '=') {
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clean_formula = clean_formula.substring(1);
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var myreg = new RegExp('[0-9]|\\s|\\.|,|\\(|\\)|\\+|\\-|\\*|\\/', 'g');
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if (clean_formula.replace(myreg, '') === '') {
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return clean_formula;
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}
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}
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return false;
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},
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_eval_formula: function(formula) {
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var value;
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formula = formula.replace(thousands_sep, '').replace(decimal_point, '.');
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try {
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value = eval(formula);
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}
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catch(e) {}
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if (typeof value != 'undefined') {
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return value;
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}
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return false;
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},
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_compute_result: function() {
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this._clean_formula_text();
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var input = this.$input.val();
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var formula = this._process_formula(input);
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if (formula !== false) {
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var value = this._eval_formula(formula);
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if (value !== false) {
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this._formula_text = "=" + formula;
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this.set_value(value);
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// Force rendering to avoid format loss if there's no change
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this.render_value();
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}
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}
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},
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// Display the formula stored in the field to allow modification
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_display_formula: function() {
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if (this._formula_text !== '') {
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this.$input.val(this._formula_text);
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}
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},
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});
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FieldMonetary.include({
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...FormulaFieldMixin,
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events: _.extend({}, FieldMonetary.prototype.events, {
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'focusin': '_onFocusFormulaField',
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'focusout': '_onBlurFormulaField',
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}),
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});
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return {
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FormulaFieldMixin: FormulaFieldMixin,
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};
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});
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