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odoo.define('web.Signature', function (require) {
"use strict";
var AbstractFieldBinary = require('web.basic_fields').AbstractFieldBinary;
var core = require('web.core');
var field_utils = require('web.field_utils');
var registry = require('web.field_registry');
var session = require('web.session');
const SignatureDialog = require('web.signature_dialog');
var utils = require('web.utils');
var qweb = core.qweb;
var _t = core._t;
var _lt = core._lt;
var FieldBinarySignature = AbstractFieldBinary.extend({
description: _lt("Signature"),
fieldDependencies: _.extend({}, AbstractFieldBinary.prototype.fieldDependencies, {
__last_update: {type: 'datetime'},
}),
resetOnAnyFieldChange: true,
custom_events: _.extend({}, AbstractFieldBinary.prototype.custom_events, {
upload_signature: '_onUploadSignature',
}),
events: _.extend({}, AbstractFieldBinary.prototype.events, {
'click .o_signature': '_onClickSignature',
}),
template: null,
supportedFieldTypes: ['binary'],
file_type_magic_word: {
'/': 'jpg',
'R': 'gif',
'i': 'png',
'P': 'svg+xml',
},
//--------------------------------------------------------------------------
// Public
//--------------------------------------------------------------------------
/**
* This widget must always have render even if there are no signature.
* In edit mode, the real value is return to manage required fields.
*
* @override
*/
isSet: function () {
if (this.mode === 'edit') {
return this.value;
}
return true;
},
//--------------------------------------------------------------------------
// Private
//--------------------------------------------------------------------------
/**
* Renders an empty signature or the saved signature. Both must have the same size.
*
* @override
* @private
*/
_render: function () {
var self = this;
var displaySignatureRatio = 3;
var url;
var $img;
var width = this.nodeOptions.size ? this.nodeOptions.size[0] : this.attrs.width;
var height = this.nodeOptions.size ? this.nodeOptions.size[1] : this.attrs.height;
if (this.value) {
if (!utils.is_bin_size(this.value)) {
// Use magic-word technique for detecting image type
url = 'data:image/' + (this.file_type_magic_word[this.value[0]] || 'png') + ';base64,' + this.value;
} else {
url = session.url('/web/image', {
model: this.model,
id: JSON.stringify(this.res_id),
field: this.nodeOptions.preview_image || this.name,
// unique forces a reload of the image when the record has been updated
unique: field_utils.format.datetime(this.recordData.__last_update).replace(/[^0-9]/g, ''),
});
}
$img = $(qweb.render("FieldBinarySignature-img", {widget: this, url: url}));
} else {
$img = $('<div class="o_signature o_signature_empty"><svg></svg><p>' + _t('SIGNATURE') + '</p></div>');
if (width && height) {
width = Math.min(width, displaySignatureRatio * height);
height = width / displaySignatureRatio;
} else if (width) {
height = width / displaySignatureRatio;
} else if (height) {
width = height * displaySignatureRatio;
}
}
if (width) {
$img.attr('width', width);
$img.css('max-width', width + 'px');
}
if (height) {
$img.attr('height', height);
$img.css('max-height', height + 'px');
}
this.$('> div').remove();
this.$('> img').remove();
this.$el.prepend($img);
$img.on('error', function () {
self._clearFile();
$img.attr('src', self.placeholder);
self.do_warn(false, _t("Could not display the selected image"));
});
},
//--------------------------------------------------------------------------
// Handlers
//--------------------------------------------------------------------------
/**
* If the view is in edit mode, open dialog to sign.
*
* @private
*/
_onClickSignature: function () {
var self = this;
if (this.mode === 'edit') {
var nameAndSignatureOptions = {
mode: 'draw',
displaySignatureRatio: 3,
signatureType: 'signature',
noInputName: true,
};
if (this.nodeOptions.full_name) {
var signName;
if (this.fields[this.nodeOptions.full_name].type === 'many2one') {
// If m2o is empty, it will have falsy value in recordData
signName = this.recordData[this.nodeOptions.full_name] && this.recordData[this.nodeOptions.full_name].data.display_name;
} else {
signName = this.recordData[this.nodeOptions.full_name];
}
nameAndSignatureOptions.defaultName = (signName === '') ? undefined : signName;
}
nameAndSignatureOptions.defaultFont = this.nodeOptions.default_font || '';
this.signDialog = new SignatureDialog(self, {nameAndSignatureOptions: nameAndSignatureOptions});
this.signDialog.open();
}
},
/**
* Upload the signature image if valid and close the dialog.
*
* @private
*/
_onUploadSignature: function (ev) {
var signatureImage = ev.data.signatureImage;
if (signatureImage !== this.signDialog.emptySignature) {
var data = signatureImage[1];
var type = signatureImage[0].split('/')[1];
this.on_file_uploaded(data.length, ev.data.name, type, data);
}
this.signDialog.close();
}
});
registry.add('signature', FieldBinarySignature);
});
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