feat: VivesPOS landing on Winter CMS 1.2 — theme + plugin + Dockerfile

- Base: wintercms/winter branch 1.2 (full framework)
- Theme vivespos: Canvas 7 + Bootstrap 5 CDN, custom CSS
- Layout: deferred GTM/GA4 tracking, JSON-LD SoftwareApplication
- Partials: hero (offline-first), features, modes (offline/nube toggle),
  screenshots, pricing (3 planes), comparison, FAQ, CTA
- Plugin VivesPOS.Site with ContactForm
- Dockerfile: PHP 8.2 Apache, port 80, healthcheck
- Added winter/wn-pages, blog, sitemap, seo plugins
- Active theme set to vivespos

modules/backend/widgets/table/assets/js/table.validator.base.js

@@ -0,0 +1,77 @@
+/*
+ * Base class for the table validators.
+ */
++function ($) { "use strict";
+
+    // VALIDATOR NAMESPACES
+    // ============================
+
+    if ($.wn.table === undefined)
+        throw new Error("The $.wn.table namespace is not defined. Make sure that the table.js script is loaded.");
+
+    if ($.wn.table.validator === undefined)
+        $.wn.table.validator = {}
+
+    // CLASS DEFINITION
+    // ============================
+
+    var Base = function(options) {
+        //
+        // State properties
+        //
+
+        this.options = options
+    }
+
+    /*
+     * Validates a value and returns the error message. If there
+     * are no errors, returns undefined.
+     * The rowData parameter is an object containing all values in the
+     * target row.
+     */
+    Base.prototype.validate = function(value, rowData) {
+        if (this.options.requiredWith !== undefined && !this.rowHasValue(this.options.requiredWith, rowData))
+            return
+
+        return this.validateValue(value, rowData)
+    }
+
+    /*
+     * Validates a value and returns the error message. If there
+     * are no errors, returns undefined. This method should be redefined
+     * in descendant classes.
+     * The rowData parameter is an object containing all values in the
+     * target row.
+     */
+    Base.prototype.validateValue = function(value, rowData) {
+
+    }
+
+    Base.prototype.trim = function(value) {
+        if (String.prototype.trim)
+            return value.trim()
+
+        return value.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '')
+    }
+
+    Base.prototype.getMessage = function(defaultValue) {
+        if (this.options.message !== undefined)
+            return this.options.message
+
+        return defaultValue
+    }
+
+    Base.prototype.rowHasValue = function(columnName, rowData) {
+        if (rowData[columnName] === undefined)
+            return false
+
+        if (typeof rowData[columnName] == 'boolean')
+            return rowData[columnName]
+
+        var value = this.trim(String(rowData[columnName]))
+
+        return value.length > 0
+    }
+
+    $.wn.table.validator.base = Base;
+}(window.jQuery);