fix for #926

src/content-handlers/iiif/extensions/uv-openseadragon-extension/DownloadDialogue.tsx

@@ -24,6 +24,9 @@ const DownloadDialogue = ({
   canvases,
   confinedImageSize,
   content,
+  downloadCurrentViewEnabled,
+  downloadWholeImageHighResEnabled,
+  downloadWholeImageLowResEnabled,
   getConfinedImageDimensions,
   getConfinedImageUri,
   getCroppedImageDimensions,
@@ -49,6 +52,9 @@ const DownloadDialogue = ({
   canvases: Canvas[];
   confinedImageSize: number;
   content: { [key: string]: string };
+  downloadCurrentViewEnabled: boolean;
+  downloadWholeImageHighResEnabled: boolean;
+  downloadWholeImageLowResEnabled: boolean;
   getConfinedImageDimensions: (canvas: Canvas) => Size | null;
   getConfinedImageUri: (canvas: Canvas) => string | null;
   getCroppedImageDimensions: (canvas: Canvas) => CroppedImageDimensions | null;
@@ -202,10 +208,18 @@ const DownloadDialogue = ({
 
     switch (option) {
       case DownloadOption.CURRENT_VIEW:
+        if (!downloadCurrentViewEnabled) {
+          return false;
+        }
+
         return !paged;
       case DownloadOption.CANVAS_RENDERINGS:
       case DownloadOption.IMAGE_RENDERINGS:
       case DownloadOption.WHOLE_IMAGE_HIGH_RES:
+        if (!downloadWholeImageHighResEnabled) {
+          return false;
+        }
+
         const maxDimensions: Size | null = canvas.getMaxDimensions();
 
         if (maxDimensions) {
@@ -217,6 +231,10 @@ const DownloadDialogue = ({
         }
         return true;
       case DownloadOption.WHOLE_IMAGE_LOW_RES:
+        if (!downloadWholeImageLowResEnabled) {
+          return false;
+        }
+
         // hide low-res option if hi-res width is smaller than constraint
         const size: Size | null = getCanvasComputedDimensions(canvas);
         if (!size) {

src/content-handlers/iiif/extensions/uv-openseadragon-extension/Extension.ts

@@ -655,19 +655,24 @@ export default class OpenSeadragonExtension extends BaseExtension {
         canvases: canvases,
         confinedImageSize: config.options.confinedImageSize,
         content: config.content,
+        downloadCurrentViewEnabled: config.options.downloadCurrentViewEnabled,
+        downloadWholeImageHighResEnabled:
+          config.options.downloadWholeImageHighResEnabled,
+        downloadWholeImageLowResEnabled:
+          config.options.downloadWholeImageLowResEnabled,
         locale: this.getLocale(),
         manifest: this.helper.manifest as Manifest,
         maxImageWidth: config.options.maxImageWidth,
         mediaDownloadEnabled: this.helper.isUIEnabled("mediaDownload"),
         open: downloadDialogueOpen,
         paged: paged,
         parent: this.shell.$overlays[0] as HTMLElement,
-        resources: this.resources,
         requiredStatement: this.helper.getRequiredStatement()?.value,
-        termsOfUseEnabled: this.data.config.options.termsOfUseEnabled,
+        resources: this.resources,
         rotation: this.getViewerRotation() as number,
         selectionEnabled: selectionEnabled,
         sequence: this.helper.getCurrentSequence(),
+        termsOfUseEnabled: this.data.config.options.termsOfUseEnabled,
         triggerButton: dialogueTriggerButton as HTMLElement,
         getCroppedImageDimensions: (canvas: Canvas) => {
           return this.getCroppedImageDimensions(canvas, this.getViewer());

src/content-handlers/iiif/extensions/uv-openseadragon-extension/config/config.json

@@ -108,6 +108,9 @@
       "options": {
         "confinedImageSize": 1000,
         "currentViewDisabledPercentage": 90,
+        "downloadCurrentViewEnabled": true,
+        "downloadWholeImageHighResEnabled": true,
+        "downloadWholeImageLowResEnabled": true,
         "maxImageWidth": 5000,
         "optionsExplanatoryTextEnabled": false,
         "selectionEnabled": false
@@ -432,4 +435,4 @@
     "skipToDownload": "$skipToDownload",
     "termsOfUse": "$termsOfUse"
   }
-}
+}