0037768: Closing *Credit will be used* dialog sometimes let the *Use credit* button disabled

# HG changeset patch
# User Adrián Romero <adrianromero@openbravo.com>
# Date 1517312724 -3600
#      Tue Jan 30 12:45:24 2018 +0100
# Node ID 7666f81dc7e59dd41a61c00091208877cfd56a0c
# Parent  4621ffc3b2aca024fa7b3b0a4ae241a6d3c0c51b
Fixes issue 0037768: Closing *Credit will be used* dialog sometimes let the *Use credit* button disabled

diff --git a/web/org.openbravo.retail.posterminal/js/pointofsale/view/modals/modalcreditsales.js b/web/org.openbravo.retail.posterminal/js/pointofsale/view/modals/modalcreditsales.js
--- a/web/org.openbravo.retail.posterminal/js/pointofsale/view/modals/modalcreditsales.js
+++ b/web/org.openbravo.retail.posterminal/js/pointofsale/view/modals/modalcreditsales.js
@@ -1,6 +1,6 @@
 /*
  ************************************************************************************
- * Copyright (C) 2012-2017 Openbravo S.L.U.
+ * Copyright (C) 2012-2018 Openbravo S.L.U.
  * Licensed under the Openbravo Commercial License version 1.0
  * You may obtain a copy of the License at http://www.openbravo.com/legal/obcl.html
  * or in the legal folder of this module distribution.
@@ -23,7 +23,11 @@
       kind: 'OB.OBPOSPointOfSale.UI.Modals.modalEnoughCredit.Components.cancel_button'
     }]
   },
+  init: function (model) {
+    this.model = model;
+  },
   executeOnShow: function () {
+    this.actionCancel = true;
     var pendingQty = this.args.order.getPending();
     var bpName = this.args.order.get('bp').get('_identifier');
     var selectedPaymentMethod = this.args.order.get('selectedPayment');
@@ -45,6 +49,11 @@
     } else {
       this.$.bodyContent.$.popupmessage.setContent(OB.I18N.getLabel('OBPOS_enoughCreditBody', [OB.I18N.formatCurrency(pendingQty * rate) + " " + currSymbol, bpName]));
     }
+  },
+  executeOnHide: function () {
+    if (this.actionCancel) {
+      this.model.get('order').trigger('paymentCancel');
+    }
   }
 });
 
@@ -64,6 +73,7 @@
       OB.UTIL.SynchronizationHelper.finished(synchId, "modalDialogButtonTap");
     }
 
+    this.owner.owner.actionCancel = false;
     this.doHideThisPopup();
     this.model.get('order').set('paidOnCredit', true);
     this.allowOpenDrawer = false;
@@ -116,7 +126,6 @@
     this.model = model;
   },
   tap: function () {
-    this.model.get('order').trigger('paymentCancel');
     this.doHideThisPopup();
   }
 });