Mercurial > hg > orthanc-stone

diff Applications/StoneWebViewer/WebApplication/app.js @ 2050:b2738d7a388d

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Prevent dragging series before they are ready
author Alain Mazy <am@osimis.io>
date Thu, 30 Mar 2023 12:56:04 +0200
parents f36de3ba43c8
children 0d814292a17e 1096d92febfc
line wrap: on
line diff
--- a/Applications/StoneWebViewer/WebApplication/app.js	Fri Dec 23 17:30:12 2022 +0100
+++ b/Applications/StoneWebViewer/WebApplication/app.js	Thu Mar 30 12:56:04 2023 +0200
@@ -805,13 +805,17 @@
     },
     
     SeriesDragStart: function(event, seriesIndex) {
-      // It is necessary to use ".toString()" for Microsoft Edge Legacy (*)
-      event.dataTransfer.setData('seriesIndex', seriesIndex.toString());
+      if (this.series[seriesIndex].numberOfFrames > 0) { // prevent dragging before the series metadata have been loaded
+        // It is necessary to use ".toString()" for Microsoft Edge Legacy (*)
+        event.dataTransfer.setData('seriesIndex', seriesIndex.toString());
+      }
     },
 
     VirtualSeriesDragStart: function(event, seriesIndex, virtualSeriesId) {
-      event.dataTransfer.setData('seriesIndex', seriesIndex.toString());
-      event.dataTransfer.setData('virtualSeriesId', virtualSeriesId.toString());
+      if (this.series[seriesIndex].numberOfFrames > 0) { // prevent dragging before the series metadata have been loaded
+        event.dataTransfer.setData('seriesIndex', seriesIndex.toString());
+        event.dataTransfer.setData('virtualSeriesId', virtualSeriesId.toString());
+      }
     },
 
     SetViewportSeriesInstanceUid: function(viewportIndex, seriesInstanceUid) {