Add 'labels' to tagRenderings, allow to hide tagRenderings with a certain label

Models/ThemeConfig/Conversion/PrepareTheme.ts

@@ -20,7 +20,7 @@ class SubstituteLayer extends Conversion<(string | LayerConfigJson), LayerConfig
         this._state = state;
     }
     
-    convert(json: string | LayerConfigJson, context: string): { result: LayerConfigJson[]; errors: string[] } {
+    convert(json: string | LayerConfigJson, context: string): { result: LayerConfigJson[]; errors: string[], warnings?: string[] } {
         const errors = []
          const state= this._state
         function reportNotFound(name: string){
@@ -55,6 +55,8 @@ class SubstituteLayer extends Conversion<(string | LayerConfigJson), LayerConfig
                 names = [names]
             }
             const layers = []
+            const warnings = []
+
             for (const name of names) {
                 const found = Utils.Clone(state.sharedLayers.get(name))
                 if (found === undefined) {
@@ -70,10 +72,48 @@ class SubstituteLayer extends Conversion<(string | LayerConfigJson), LayerConfig
                 } catch (e) {
                     errors.push(`At ${context}: could not apply an override due to: ${e}.\nThe override is: ${JSON.stringify(json["override"],)}`)
                 }
+                
+                if(json["hideTagRenderingsWithLabels"]){
+                    const hideLabels: Set<string> = new Set(json["hideTagRenderingsWithLabels"])
+                    // These labels caused at least one deletion
+                    const usedLabels : Set<string> = new Set<string>();
+                    const filtered = []
+                    for (const tr of found.tagRenderings) {
+                        const labels = tr["labels"]
+                        if(labels !== undefined){
+                            const forbiddenLabel = labels.findIndex(l => hideLabels.has(l))
+                            if(forbiddenLabel >= 0){
+                                usedLabels.add(labels[forbiddenLabel])
+                                warnings.push(context+": Dropping tagRendering "+tr["id"]+" as it has a forbidden label: "+labels[forbiddenLabel])
+                                continue
+                            }
+                        }
+                        
+                        if(hideLabels.has(tr["id"])){
+                            usedLabels.add(tr["id"])
+                            warnings.push(context+": Dropping tagRendering "+tr["id"]+" as its id is a forbidden label")
+                            continue
+                        }
+
+                        if(hideLabels.has(tr["group"])){
+                            usedLabels.add(tr["group"])
+                            warnings.push(context+": Dropping tagRendering "+tr["id"]+" as its group `"+tr["group"]+"` is a forbidden label")
+                            continue
+                        }
+
+                        filtered.push(tr)
+                    }
+                    const unused = Array.from(hideLabels).filter(l => !usedLabels.has(l))
+                    if(unused.length > 0){
+                        errors.push("This theme specifies that certain tagrenderings have to be removed based on forbidden layers. One or more of these layers did not match any tagRenderings and caused no deletions: "+unused.join(", ")+"\n   This means that this label can be removed or that the original tagRendering that should be deleted does not have this label anymore")
+                    }
+                    found.tagRenderings = filtered
+                }
             }
             return {
                 result: layers,
-                errors
+                errors,
+                warnings
             }
 
         }

Models/ThemeConfig/Json/LayoutConfigJson.ts

@@ -202,7 +202,14 @@ export interface LayoutConfigJson {
      * }
      *```
      */
-    layers: (LayerConfigJson | string | { builtin: string | string[], override: any })[],
+    layers: (LayerConfigJson | string | 
+        { builtin: string | string[], 
+            override: any,
+            /**
+             * TagRenderings with any of these labels will be removed from the layer.
+             * Note that the 'id' and 'group' are considered labels too
+             */
+            hideTagRenderingsWithLabels?: string[]})[],
 
     /**
      * If defined, data will be clustered.

Models/ThemeConfig/Json/TagRenderingConfigJson.ts

@@ -20,6 +20,11 @@ export interface TagRenderingConfigJson {
      */
     group?: string
 
+    /**
+     * A list of labels. These are strings that are used for various purposes, e.g. to filter them away
+     */
+    labels?: string[]
+
     /**
      * Renders this value. Note that "{key}"-parts are substituted by the corresponding values of the element.
      * If neither 'textFieldQuestion' nor 'mappings' are defined, this text is simply shown as default value.

Models/ThemeConfig/TagRenderingConfig.ts

@@ -19,15 +19,15 @@ import List from "../../UI/Base/List";
  */
 export default class TagRenderingConfig {
 
-    readonly id: string;
-    readonly group: string;
-    readonly render?: Translation;
-    readonly question?: Translation;
-    readonly condition?: TagsFilter;
+  public  readonly id: string;
+    public   readonly group: string;
+    public   readonly render?: Translation;
+    public   readonly question?: Translation;
+    public  readonly condition?: TagsFilter;
 
-    readonly configuration_warnings: string[] = []
+    public  readonly configuration_warnings: string[] = []
 
-    readonly freeform?: {
+    public  readonly freeform?: {
         readonly key: string,
         readonly type: string,
         readonly placeholder: Translation,
@@ -37,9 +37,9 @@ export default class TagRenderingConfig {
         readonly helperArgs?: (string | number | boolean)[]
     };
 
-    readonly multiAnswer: boolean;
+    public readonly multiAnswer: boolean;
 
-    readonly mappings?: {
+    public readonly mappings?: {
         readonly if: TagsFilter,
         readonly ifnot?: TagsFilter,
         readonly then: Translation,
@@ -47,6 +47,7 @@ export default class TagRenderingConfig {
         readonly hideInAnswer: boolean | TagsFilter
         readonly addExtraTags: Tag[]
     }[]
+    public readonly labels: string[]
 
     constructor(json: string | TagRenderingConfigJson, context?: string) {
         if (json === undefined) {
@@ -83,6 +84,7 @@ export default class TagRenderingConfig {
 
 
         this.group = json.group ?? "";
+        this.labels = json.labels ?? []
         this.render = Translations.T(json.render, context + ".render");
         this.question = Translations.T(json.question, context + ".question");
         this.condition = TagUtils.Tag(json.condition ?? {"and": []}, `${context}.condition`);