erp5_json_editor: Fixup const and ensureArraySize

   * const is handled as enum with a single value automatically
   * patch ensureArraySize to not modify the user input, let the user safely slice by himself.
   * Reorganise patches so it is grouped by prototype

bt5/erp5_json_editor/SkinTemplateItem/portal_skins/erp5_json_editor/json-editor.gadget.js.js

@@ -12,6 +12,13 @@
     return undefined;
   };
 
+  JSONEditor.AbstractEditor.prototype.preBuild = function () {
+    if (this.jsoneditor.options.readonly) {
+      this.schema.readOnly = this.jsoneditor.options.readonly;
+    }
+  };
+
+
   function isEmpty(obj) {
     return obj === undefined || obj === '' ||
       (
@@ -37,10 +44,77 @@
     return result;
   };
 
-  JSONEditor.AbstractEditor.prototype.preBuild = function () {
-    if (this.jsoneditor.options.readonly) {
-      this.schema.readOnly = this.jsoneditor.options.readonly;
+  if (JSONEditor.defaults.editors.object.prototype.original_getPropertySchema === undefined) {
+    JSONEditor.defaults.editors.object.prototype.original_getPropertySchema = JSONEditor.defaults.editors.object.prototype.getPropertySchema;
+  }
+
+  JSONEditor.defaults.editors.object.prototype.getPropertySchema = function (key) {
+    var schema = this.original_getPropertySchema(key);
+    /* Strip forbidden properties, that aren't part of json schema spec.
+        They are removed because the UI must be complaint with other usages of
+        json schemas.
+    */
+    delete schema.template;
+    delete schema.options;
+
+    if (schema.const !== undefined) {
+      schema.enum = [schema.const];
+    }
+
+    /* Display default value as part of description */
+    if (schema.default !== undefined && typeof schema.default !== "object") {
+      if (schema.description !== undefined) {
+        schema.description = schema.description + " (default: " + schema.default + ")";
+      } else {
+        schema.description = " (default: " + schema.default + ")";
+      }
     }
+    return schema;
+  };
+
+  /* The original code would remove the field if value is undefined */
+  JSONEditor.defaults.editors.object.prototype.setValue = function (value, initial) {
+    var object_editor = this;
+    value = value || {};
+
+    if (typeof value !== 'object' || Array.isArray(value)) {
+      value = {};
+    }
+
+    /* First, set the values for all of the defined properties */
+    // @ts-ignore
+    Object.entries(this.cached_editors).forEach(function (entry) {
+      var i = entry[0],
+        editor = entry[1];
+      /* Value explicitly set */
+      if (value[i] !== undefined) {
+        object_editor.addObjectProperty(i);
+        editor.setValue(value[i], initial);
+        editor.activate();
+        /* Otherwise if it is read only remove the field */
+      } else if (editor.schema.readOnly) {
+        object_editor.removeObjectProperty(i);
+        /* Otherwise, set the value to the default */
+      } else {
+        editor.setValue(editor.getDefault(), initial);
+      }
+    });
+
+    // @ts-ignore
+    Object.entries(value).forEach(function (entry) {
+      var i = entry[0],
+        val = entry[1];
+      if (!object_editor.cached_editors[i]) {
+        object_editor.addObjectProperty(i);
+        if (object_editor.editors[i]) {
+          object_editor.editors[i].setValue(val, initial, !!object_editor.editors[i].template);
+        }
+      }
+    });
+
+    object_editor.refreshValue();
+    object_editor.layoutEditors();
+    object_editor.onChange();
   };
 
   JSONEditor.defaults.editors.select.prototype.setValue = function (value, initial) {
@@ -237,73 +311,16 @@
     field.onChange(typeChanged);
   };
 
-  if (JSONEditor.defaults.editors.object.prototype.original_getPropertySchema === undefined) {
-    JSONEditor.defaults.editors.object.prototype.original_getPropertySchema = JSONEditor.defaults.editors.object.prototype.getPropertySchema;
-  }
-
-  JSONEditor.defaults.editors.object.prototype.getPropertySchema = function (key) {
-    var schema = this.original_getPropertySchema(key);
-    /* Strip forbidden properties, that aren't part of json schema spec.
-        They are removed because the UI must be complaint with other usages of
-        json schemas.
-    */
-    delete schema.template;
-    delete schema.options;
-
-    /* Display default value as part of description */
-    if (schema.default !== undefined && typeof schema.default !== "object") {
-      if (schema.description !== undefined) {
-        schema.description = schema.description + " (default: " + schema.default + ")";
-      } else {
-        schema.description = " (default: " + schema.default + ")";
-      }
-    }
-    return schema;
+  JSONEditor.defaults.editors.array.prototype.ensureArraySize = function (value) {
+    // Don't extend or slice data based on the input
+    // Let the user handle it.
+    return value;
   };
 
-  /* The original code would remove the field if value is undefined */
-  JSONEditor.defaults.editors.object.prototype.setValue = function (value, initial) {
-    var object_editor = this;
-    value = value || {};
-
-    if (typeof value !== 'object' || Array.isArray(value)) {
-      value = {};
-    }
-
-    /* First, set the values for all of the defined properties */
-    // @ts-ignore
-    Object.entries(this.cached_editors).forEach(function (entry) {
-      var i = entry[0],
-        editor = entry[1];
-      /* Value explicitly set */
-      if (value[i] !== undefined) {
-        object_editor.addObjectProperty(i);
-        editor.setValue(value[i], initial);
-        editor.activate();
-        /* Otherwise if it is read only remove the field */
-      } else if (editor.schema.readOnly) {
-        object_editor.removeObjectProperty(i);
-        /* Otherwise, set the value to the default */
-      } else {
-        editor.setValue(editor.getDefault(), initial);
-      }
-    });
-
-    // @ts-ignore
-    Object.entries(value).forEach(function (entry) {
-      var i = entry[0],
-        val = entry[1];
-      if (!object_editor.cached_editors[i]) {
-        object_editor.addObjectProperty(i);
-        if (object_editor.editors[i]) {
-          object_editor.editors[i].setValue(val, initial, !!object_editor.editors[i].template);
-        }
-      }
-    });
-
-    object_editor.refreshValue();
-    object_editor.layoutEditors();
-    object_editor.onChange();
+  JSONEditor.defaults.editors.table.prototype.ensureArraySize = function (value) {
+    // Don't extend or slice data based on the input
+    // Let the user handle it.
+    return value;
   };
 
   JSONEditor.defaults.editors.string.prototype.setValueToInputField = function (value) {