Persist event log user preferences

lib/www/client/source/src/views/Log.vue

@@ -548,6 +548,7 @@ export default {
   watch: {
     options: {
       async handler () {
+        this.savePrefs(),
         await this.fetchEvents();
       },
       deep: true
@@ -566,16 +567,19 @@ export default {
     },
 
     filter (newVal, oldVal) {
+      this.savePrefs();
       if (newVal?.toLowerCase() != oldVal?.toLowerCase()) {
         this.fetchEvents();
       }
     },
 
     labelSearch () {
+      this.savePrefs();
       this.fetchEvents();
     },
 
     filteredLabels () {
+      this.savePrefs()
       this.fetchEvents();
     },
 
@@ -584,7 +588,7 @@ export default {
     },
 
     user (newVal, oldVal) {
-      this.itemsPerPage = Number(localStorage.getItem(`dougal/prefs/${this.user?.name}/${this.$route.params.project}/${this.$options.name}/items-per-page`)) || 25;
+      this.loadPrefs();
     }
 
   },
@@ -876,10 +880,36 @@ export default {
       */
     },
 
+    getPrefsKey () {
+      return `dougal/prefs/${this.user?.name}/${this.$route.params.project}/Log/v1`;
+    },
+
+    savePrefs () {
+      const prefs = {
+        shownLabels: this.shownLabels,
+        labelSearch: this.labelSearch,
+        filter: this.filter,
+        options: this.options
+      };
+      localStorage.setItem(this.getPrefsKey(), JSON.stringify(prefs));
+    },
+
+    loadPrefs () {
+      const stored = localStorage.getItem(this.getPrefsKey());
+      if (stored) {
+        const prefs = JSON.parse(stored);
+        if (prefs.shownLabels !== undefined) this.shownLabels = prefs.shownLabels;
+        if (prefs.labelSearch !== undefined) this.labelSearch = prefs.labelSearch;
+        if (prefs.filter !== undefined) this.filter = prefs.filter;
+        if (prefs.options !== undefined) this.options = prefs.options;
+      }
+    },
+
     ...mapActions(["api", "showSnack", "refreshEvents", "getEvents"])
   },
 
   async mounted () {
+    this.loadPrefs();
     this.fetchEvents();
 
     window.addEventListener('keyup', this.handleKeyboardEvent);