made more of the javascript hopefulyl honour versions, sort of works, not fully deployed consistently but works well enough for home use in dev. Also tweaked how the layout looks on a phone so that la / ra buttons on beside the image. Still oddly needs me to shrink that page, but it is now visually right - odd

<script src=>
Note, accidentally committed, partially tested

TODO

@@ -1,5 +1,10 @@
 ###
+# 
+# consider how to better version jscript - across all html files, consistently
+#   mtime, didnt work anyway, my phone still wont pick up the change, it was adding any ?v= changed this (once)
+#
 # 4 TEST everything (don't forget keybindings,e.g. delete)
+#   going up from folder view shows different order?
 #
 # 5 think I killed pa_job_manager without passing an eid to a transform job, shouldn't crash
 #    SHOULD JUST get AI to help clean-up and write defensive code here...

files.py

@@ -461,7 +461,8 @@ def change_file_opts():
 def file_list_ip():
     OPT=States( request )
     query_data = GetQueryData( OPT )
-    return render_template("file_list.html", page_title='View File Details (Import Path)', query_data=query_data, OPT=OPT )
+    js_vers = getVersions()
+    return render_template("file_list.html", page_title='View File Details (Import Path)', query_data=query_data, OPT=OPT, js_vers=js_vers )
 
 ################################################################################
 # /files -> show thumbnail view of files from import_path(s)
@@ -471,7 +472,8 @@ def file_list_ip():
 def files_ip():
     OPT=States( request )
     query_data = GetQueryData( OPT )
-    return render_template("files.html", page_title=f"View Files ({OPT.path_type} Path)", OPT=OPT, query_data=query_data )
+    js_vers = getVersions()
+    return render_template("files.html", page_title=f"View Files ({OPT.path_type} Path)", OPT=OPT, query_data=query_data, js_vers=js_vers )
 
 ################################################################################
 # /files -> show thumbnail view of files from storage_path
@@ -481,7 +483,8 @@ def files_ip():
 def files_sp():
     OPT=States( request )
     query_data = GetQueryData( OPT )
-    return render_template("files.html", page_title=f"View Files ({OPT.path_type} Path)", OPT=OPT, query_data=query_data )
+    js_vers = getVersions()
+    return render_template("files.html", page_title=f"View Files ({OPT.path_type} Path)", OPT=OPT, query_data=query_data, js_vers=js_vers )
 
 
 ################################################################################
@@ -492,7 +495,8 @@ def files_sp():
 def files_rbp():
     OPT=States( request )
     query_data = GetQueryData( OPT )
-    return render_template("files.html", page_title=f"View Files ({OPT.path_type} Path)", OPT=OPT, query_data=query_data )
+    js_vers = getVersions()
+    return render_template("files.html", page_title=f"View Files ({OPT.path_type} Path)", OPT=OPT, query_data=query_data, js_vers=js_vers )
 
 ################################################################################
 # search -> GET version -> has search_term in the URL and is therefore able to
@@ -771,3 +775,17 @@ def get_existing_paths(dt):
         first_dir=0
     ret+= ' ]'
     return make_response( ret )
+
+# quick helper func to return timestamps of jscript files
+# we use this as a quick/hacky way of versioning them
+def getVersions():
+    js_vers={}
+    js_vers['fs'] = int(os.path.getmtime( "."+url_for( 'internal', filename='js/files_support.js') ))
+    js_vers['vs'] = int(os.path.getmtime( "."+url_for( 'internal', filename='js/view_support.js') ))
+    js_vers['ft'] = int(os.path.getmtime( "."+url_for( 'internal', filename='js/files_transform.js') ))
+    js_vers['ic'] = int(os.path.getmtime( "."+url_for( 'internal', filename='icons.svg') ))
+    js_vers['r180'] = int(os.path.getmtime( "."+url_for( 'internal', filename='rot180.png') ))
+    js_vers['r270'] = int(os.path.getmtime( "."+url_for( 'internal', filename='rot270.png') ))
+    js_vers['r90'] = int(os.path.getmtime( "."+url_for( 'internal', filename='rot90.png') ))
+    js_vers['th'] = int(os.path.getmtime( "."+url_for( 'internal', filename='throbber.gif') ))
+    return js_vers

internal/js/files_support.js

@@ -11,14 +11,6 @@ function getPageFigures(res, viewingIdx)
     drawPageOfFigures()
 }
 
-// function called when we get another page from inside the viewer
-function getPageViewer(res, viewingIdx)
-{
-    document.viewing=document.entries[viewingIdx]
-    // update viewing, arrows and image/video too
-    ViewImageOrVideo()
-}
-
 // grab all selected thumbnails and return a <div> containing the thumbnails
 // with extra yr and date attached as attributes so we can set the default
 // dir name for a move directory - not used in del, but no harm to include them
@@ -326,76 +318,72 @@ function NoSel() {
 
 /**
  * Renders a group header or entry based on the object and options.
- * @param {Object} obj - The object containing file/directory details.
+ * obj - The object containing file/directory details.
- * @param {Object} last - Tracks the last printed group (e.g., { printed: null }).
+ * last - Tracks the last printed group (e.g., { printed: null }).
- * @param {Object} ecnt - Entry counter (e.g., { val: 0 }).
+ * ecnt - Entry counter (e.g., { val: 0 }).
- * @returns {string} - Generated HTML string.
+ * returns {string} - Generated HTML string.
  */
 function addFigure( obj, last, ecnt) 
 {
-  let html = "";
+    let html = "";
 
-  // Grouping logic
+    // Grouping logic
-  if (OPT.grouping === "Day") {
+    if (OPT.grouping === "Day") {
-    if (last.printed !== obj.file_details.day) {
+        if (last.printed !== obj.file_details.day) {
-      html += `<div class="row ps-3"><h6>Day: ${obj.file_details.day} of ${obj.file_details.month}/${obj.file_details.year}</h6></div>`;
+            html += `<div class="row ps-3"><h6>Day: ${obj.file_details.day} of ${obj.file_details.month}/${obj.file_details.year}</h6></div>`;
-      last.printed = obj.file_details.day;
+            last.printed = obj.file_details.day;
+        }
+    } else if (OPT.grouping === "Week") {
+        if (last.printed !== obj.file_details.woy) {
+            html += `<div class="row ps-3"><h6>Week #: ${obj.file_details.woy} of ${obj.file_details.year}</h6></div>`;
+            last.printed = obj.file_details.woy;
+        }
+    } else if (OPT.grouping === "Month") {
+        if (last.printed !== obj.file_details.month) {
+            html += `<div class="row ps-3"><h6>Month: ${obj.file_details.month} of ${obj.file_details.year}</h6></div>`;
+            last.printed = obj.file_details.month;
+        }
     }
-  } else if (OPT.grouping === "Week") {
-    if (last.printed !== obj.file_details.woy) {
-      html += `<div class="row ps-3"><h6>Week #: ${obj.file_details.woy} of ${obj.file_details.year}</h6></div>`;
-      last.printed = obj.file_details.woy;
-    }
-  } else if (OPT.grouping === "Month") {
-    if (last.printed !== obj.file_details.month) {
-      html += `<div class="row ps-3"><h6>Month: ${obj.file_details.month} of ${obj.file_details.year}</h6></div>`;
-      last.printed = obj.file_details.month;
-    }
-  }
 
-  // Image/Video/Unknown entry
+    // Image/Video/Unknown entry
-  if (obj.type.name === "Image" || obj.type.name === "Video" || obj.type.name === "Unknown") {
+    if (obj.type.name === "Image" || obj.type.name === "Video" || obj.type.name === "Unknown") {
-    if (!OPT.folders || isTopLevelFolder(obj.in_dir.in_path.path_prefix + '/' + obj.in_dir.rel_path + '/' + obj.name, OPT.cwd)) {
+            const pathType = obj.in_dir.in_path.type.name;
-      const pathType = obj.in_dir.in_path.type.name;
+            const size = obj.file_details.size_mb;
-      const size = obj.file_details.size_mb;
+            const hash = obj.file_details.hash;
-      const hash = obj.file_details.hash;
+            const inDir = `${obj.in_dir.in_path.path_prefix}/${obj.in_dir.rel_path}`;
-      const inDir = `${obj.in_dir.in_path.path_prefix}/${obj.in_dir.rel_path}`;
+            const fname = obj.name;
-      const fname = obj.name;
+            const yr = obj.file_details.year;
-      const yr = obj.file_details.year;
+            const date = `${yr}${String(obj.file_details.month).padStart(2, '0')}${String(obj.file_details.day).padStart(2, '0')}`;
-      const date = `${yr}${String(obj.file_details.month).padStart(2, '0')}${String(obj.file_details.day).padStart(2, '0')}`;
+            const prettyDate = `${obj.file_details.day}/${obj.file_details.month}/${obj.file_details.year}`;
-      const prettyDate = `${obj.file_details.day}/${obj.file_details.month}/${obj.file_details.year}`;
+            const type = obj.type.name;
-      const type = obj.type.name;
 
-      html += `
+            html += `
-        <figure id="${obj.id}" ecnt="${ecnt}" class="col col-auto g-0 figure entry m-1"
+                <figure id="${obj.id}" ecnt="${ecnt}" class="col col-auto g-0 figure entry m-1"
-                path_type="${pathType}" size="${size}" hash="${hash}" in_dir="${inDir}"
+                    path_type="${pathType}" size="${size}" hash="${hash}" in_dir="${inDir}"
-                fname="${fname}" yr="${yr}" date="${date}" pretty_date="${prettyDate}" type="${type}">
+                    fname="${fname}" yr="${yr}" date="${date}" pretty_date="${prettyDate}" type="${type}">
-          ${renderMedia(obj)}
+                    ${renderMedia(obj)}
-        </figure>
+                </figure>
-      `;
+            `;
     }
-  }
+    // Directory entry
-  // Directory entry
+    else if (obj.type.name === "Directory" && OPT.folders) {
-  else if (obj.type.name === "Directory" && OPT.folders) {
+        const dirname = obj.dir_details.rel_path.length
-    const dirname = obj.dir_details.rel_path.length
+          ? `${obj.dir_details.in_path.path_prefix}/${obj.dir_details.rel_path}`
-      ? `${obj.dir_details.in_path.path_prefix}/${obj.dir_details.rel_path}`
+          : obj.dir_details.in_path.path_prefix;
-      : obj.dir_details.in_path.path_prefix;
 
-    if (isTopLevelFolder(dirname, OPT.cwd)) {
+        html += `
-      html += `
+            <figure class="col col-auto g-0 dir entry m-1" id="${obj.id}" ecnt="${ecnt}" dir="${dirname}" type="Directory">
-        <figure class="col col-auto g-0 dir entry m-1" id="${obj.id}" ecnt="${ecnt}" dir="${dirname}" type="Directory">
+            <svg class="svg" width="${OPT.size - 22}" height="${OPT.size - 22}" fill="currentColor">
-          <svg class="svg" width="${OPT.size - 22}" height="${OPT.size - 22}" fill="currentColor">
             <use xlink:href="/internal/icons.svg#Directory"></use>
-          </svg>
+            </svg>
-          <figcaption class="svg_cap figure-caption text-center text-wrap text-break">${obj.name}</figcaption>
+            <figcaption class="svg_cap figure-caption text-center text-wrap text-break">${obj.name}</figcaption>
-        </figure>
+            </figure>
-      `;
+        `;
-      html += `<script>f=$('#${obj.id}'); w=f.find('svg').width(); f.find('figcaption').width(w);</script>`;
+        html += `<script>f=$('#${obj.id}'); w=f.find('svg').width(); f.find('figcaption').width(w);</script>`;
     }
-  }
 
-  $('#figures').append( html )
+    $('#figures').append( html )
-  return
+    return
 }
 
 // Helper function to render media (image/video/unknown)
@@ -441,12 +429,6 @@ function renderMedia(obj) {
   return mediaHtml;
 }
 
-// Helper: Check if path is a top-level folder of cwd
-function isTopLevelFolder(path, cwd) {
-  // Implement your logic here
-  return true; // Placeholder
-}
-
 // Helper: Get location icon (placeholder)
 function getLocationIcon(obj) {
     return ICON[obj.in_dir.in_path.type.name]
@@ -524,12 +506,13 @@ function drawPageOfFigures()
         else if( OPT.root_eid == 0 )
             $('#figures').append( `<span class="alert alert-danger p-2 col-auto d-flex align-items-center">No files in Path!</span>` )
     $('.figure').click( function(e) { DoSel(e, this ); SetButtonState(); return false; });
-    $('.figure').dblclick( function(e) { dblClickToViewEntry( $(this).attr('id') ); setDisabledForViewingNextPrevBttons(); addViewerKeyHandler() } )
+    $('.figure').dblclick( function(e) { startViewing( $(this).attr('id') ) } )
     // for dir, getDirEntries 2nd param is back (or "up" a dir)
     $(".dir").click( function(e) { document.back_id=this.id; getDirEntries(this.id,false) } )
     $(".back").click( function(e) { getDirEntries(this.id,true) } )
 }
 
+// emtpy out file_list_div, and repopulate it with new page of content
 function getPageFileList(res, viewingIdx)
 {
     $('#file_list_div').empty()
@@ -731,116 +714,6 @@ function changeSize()
     $('.svg_cap').width(sz);
 }
 
-
-function getPreviousEntry() {
-    var currentIndex = entryList.indexOf(document.viewing.id);
-
-    oldPageOffset=Math.floor(currentIndex / OPT.how_many) 
-    if (currentIndex > 0) {
-        currentIndex--;
-        pageOffset=Math.floor(currentIndex / OPT.how_many)
-        currentIndex=currentIndex-(pageOffset*OPT.how_many)
-        // pref page, load it
-        if( oldPageOffset != pageOffset )
-            // pref page is pageOffset+1 now
-            getPage(pageOffset+1,getPageViewer,currentIndex)
-        else
-            document.viewing=document.entries[currentIndex]
-    }
-}
-
-function getNextEntry() {
-    var currentIndex = entryList.indexOf(document.viewing.id);
-
-    oldPageOffset=Math.floor(currentIndex / OPT.how_many) 
-    if (currentIndex < entryList.length - 1) {
-        currentIndex++
-        pageOffset=Math.floor(currentIndex / OPT.how_many) 
-        currentIndex=currentIndex-(pageOffset*OPT.how_many)
-        // next page, load it
-        if( oldPageOffset != pageOffset )
-            // next page is pageOffset+1 now
-            getPage(pageOffset+1,getPageViewer,currentIndex)
-        else
-            document.viewing=document.entries[currentIndex]
-    }
-}
-
-function entryIsAtStart() {
-    return document.viewing.id === entryList[0];
-}
-
-function entryIsAtEnd() {
-    return document.viewing.id === entryList[entryList.length - 1];
-}
-
-function setEntryById(id) {
-    var currentIndex = entryList.indexOf(parseInt(id));
-    // if we are on a different page, adjust as document.entries only has <= how_many
-    pageOffset=Math.floor(currentIndex / OPT.how_many) 
-    currentIndex = currentIndex-(pageOffset*OPT.how_many)
-    document.viewing=document.entries[currentIndex]
-}
-
-function setDisabledForViewingNextPrevBttons()
-{
-    $('#la').attr('disabled', entryIsAtStart());
-    $('#ra').attr('disabled', entryIsAtEnd());
-}
-
-function addViewerKeyHandler() {
-    // allow a keypress on the viewer_div
-    $(document).keydown(function(event) {
-        // if dbox is visible, dont process this hot-key, we are inputting text
-        // into inputs instead
-        if( $("#dbox").is(':visible') )
-            return
-        switch (event.key) 
-        {
-            case "Left": // IE/Edge specific value
-            case "ArrowLeft":
-                if( $('#la').prop('disabled') == false )
-                    $('#la').click()
-                break;
-            case "Right": // IE/Edge specific value
-            case "ArrowRight":
-                if( $('#ra').prop('disabled') == false )
-                    $('#ra').click()
-                break;
-            case "d":
-                $('#distance').click()
-                break;
-            case "f":
-                $('#faces').click()
-                break;
-            case "n":
-                $('#fname_toggle').click()
-                break;
-            case "F":
-                fullscreen=!document.fullscreen
-                ViewImageOrVideo()
-                break;
-            case "l":
-                JoblogSearch()
-                break;
-            case "Delete":
-                $('#del').click()
-            default:
-                return; // Quit when this doesn't handle the key event.
-        }
-    });
-}
-
-$(document).on('click', function(e) { $('.highlight').removeClass('highlight') ; SetButtonState() });
-
-function dblClickToViewEntry(id) {
-    $('#files_div').addClass('d-none')
-    $('#viewer_div').removeClass('d-none')
-    setEntryById( id )
-    ViewImageOrVideo()
-}
-
-
 // different context menu on files
 $.contextMenu({
     selector: '.entry',
@@ -906,7 +779,7 @@ $.contextMenu({
         return {
             callback: function( key, options) {
                 if( key == "details" ) { DetailsDBox() }
-                if( key == "view" ) { dblClickToViewEntry( $(this).attr('id') ) }
+                if( key == "view" ) { startViewing( $(this).attr('id') ) }
                 if( key == "move" ) { MoveDBox(move_paths) }
                 if( key == "del"  ) { DelDBox('Delete') }
                 if( key == "undel") { DelDBox('Restore') }
@@ -924,33 +797,5 @@ $.contextMenu({
     }
 });
 
-// quick function that allows us to go out of the viewer and back, the viewercomes from files_ip/sp
+// finally, for files_ip/files_sp/files_rbp - set click inside document (NOT an entry) to remove seln
-// so just redraw the page with drawPageOfFigures() as we have all the data 
+$(document).on('click', function(e) { $('.highlight').removeClass('highlight') ; SetButtonState() });
-function goOutOfViewer()
-{
-    // if this returns -1, we have used arrows to go onto a new page(s)
-    if( getPageNumberForId( $('#figures').find('.figure').first().prop('id') ) == -1 )
-        drawPageOfFigures()
-
-    // hide viewer div, then show files_div
-    $('#viewer_div').addClass('d-none')
-    $('#files_div').removeClass('d-none')
-}
-
-
-// left arrow onclick handler to go to prev image from inside the viewer
-function prevImageInViewer()
-{
-    getPreviousEntry()
-    setDisabledForViewingNextPrevBttons()
-    ViewImageOrVideo()
-}
-
-// right arrow onclick handler to go to next image from inside the viewer
-function nextImageInViewer()
-{
-    getNextEntry()
-    setDisabledForViewingNextPrevBttons()
-    ViewImageOrVideo()
-
-}

internal/js/view_support.js

@@ -25,6 +25,8 @@ function NewHeight()
         return im.height*gap / (im.width/window.innerWidth)
 }
 
+// draw 'str' as a label above the bounding box of the face (with a white
+// transparent background to enhance readability of str)
 function DrawLabelOnFace(str)
 {
 	// finish face box, need to clear out new settings for // transparent backed-name tag
@@ -195,6 +197,8 @@ function ViewImageOrVideo()
 
 var offsetX,offsetY;
 
+// find the edge of the canvas, so when we have a PAGE event with x,y we can see
+// where we clicked in it (PAGE.x - canvas.x to see where in canvas, etc)
 function reOffset()
 {
   var BB=$('#canvas').get(0).getBoundingClientRect();
@@ -202,23 +206,27 @@ function reOffset()
   offsetY=BB.top;
 }
 
-window.onscroll=function(e){ reOffset(); }
+// when we are ready, 
-window.onresize=function(e){ reOffset(); }
-
 $(document).ready( function()
 {
     var cw=$('#canvas').width;
     var ch=$('#canvas').height;
     reOffset();
+    // if we scroll or resize the window, the canvas moves on the page, reset the offsets
     window.onscroll=function(e){ reOffset(); }
     window.onresize=function(e){ reOffset(); }
 
+    // clicking in the viewer canvas gets its own handlers to handle faces (or not)
     $.contextMenu({
         selector: '#canvas',
         trigger: 'left',
 //        trigger: 'none',
         hideOnSecondTrigger: true,
 
+        // go through each face, and add appropriate 'left-click' menu.
+        // e.g if known face, say name, offer add refimg to person, etc.
+        // this is a bit complex, the item_list var has a key (which is what we
+        // will do if we are chosen from the menu), and data to process the action
         build: function($triggerElement, e) {
             reOffset();
             // get mouse position relative to the canvas (left-click uses page*)
@@ -273,18 +281,10 @@ $(document).ready( function()
     } )
 } );
 
-// quick wrapper function to make calling this ajax code simpler in SearchForPerson
+// POST to the server to force a match for this face to person_id
+// FIXME: could I not pass person_id, and use // ...[item[key].which_face].refimg.person.id
 function OverrideForceMatch( person_id, key )
 {
-	// we have type_id passed in, so dig the NMO out, and use that below (its really just for name, but in case we change that in the DB)
-	for( el in NMO )
-	{
-		if( NMO[el].id == item[key].type_id )
-		{
-			fm_idx=el
-			break
-		}
-	}
 	ofm='&person_id='+person_id+'&face_id='+item[key].id
 	$.ajax({ type: 'POST', data: ofm, url: '/add_force_match_override', success: function(data) { 
 		document.viewing.file_details.faces[item[key].which_face].ffmo=[]
@@ -373,6 +373,7 @@ function SearchForPerson(content, key, face_id, face_pos, type_id)
 	return false
 }
 
+// if we force a match, this func allows us to POST to the server to remove the override
 function RemoveOverrideForceMatch(face_pos)
 {
     if( document.viewing.file_details.faces[face_pos].ffmo.length )
@@ -394,6 +395,7 @@ function RemoveOverrideForceMatch(face_pos)
 	return false
 }
 
+// if we force NO match, this func allows us to POST to the server to remove the override
 function RemoveOverrideNoMatch(face_pos, type_id)
 {
 	d='&face_id='+document.viewing.file_details.faces[face_pos].id+'&type_id='+type_id
@@ -409,6 +411,7 @@ function RemoveOverrideNoMatch(face_pos, type_id)
 	return false
 }
 
+// POST to the server to force NO match for this face
 function AddNoMatchOverride(type_id, face_id, face_pos, type_id)
 {
 	d='&type_id='+type_id+'&face_id='+face_id
@@ -423,6 +426,9 @@ function AddNoMatchOverride(type_id, face_id, face_pos, type_id)
     } )
 }
 
+// generate html for the appropriate content to search for a person when adding
+// override DBox. has a button that when clicked calls SeachForPerson() which
+// POSTs to the server, and fills in the 'search_person_results' div with content
 function AddSearch( content, key, face_pos )
 {
 	html='<h5>search for existing person:</h5>'
@@ -506,7 +512,6 @@ function FaceDBox(key, item)
         func='AddRefimgTo('+item[key]['person_id']+',\''+key+'\''
         func_sn=func+ ', true )'
         func_ao=func+ ', false )'
-        div+=`<script>console.log( "AddExistingFaceAsRefimgToMatchedPerson()" )</script>`
         div+="Confirm you wish to add this face as a reference image for " + item[key]['who']
         div+= '<div class="col">' + item[key]['who'] + '</div><div class="col input-group">'
         div+= '<button onClick="'+func_sn+'" class="btn btn-success py-1 input-group-prepend">Add & search now</button>&nbsp;'
@@ -565,7 +570,168 @@ function JoblogSearch()
     })
 }
 
+// helper func to resert the src on the video div
 function setVideoSource(newSrc) {
     $('#videoSource').attr('src', newSrc);
     $('#video')[0].load();
 }
+
+// function called when we get another page from inside the viewer
+function getPageViewer(res, viewingIdx)
+{
+    document.viewing=document.entries[viewingIdx]
+    // update viewing, arrows and image/video too
+    ViewImageOrVideo()
+}
+
+// handler used when we double click an entry to show it in the viewer
+function dblClickToViewEntry(id) {
+    $('#files_div').addClass('d-none')
+    $('#viewer_div').removeClass('d-none')
+    setEntryById( id )
+    ViewImageOrVideo()
+}
+
+// quick function that allows us to go out of the viewer and back, the viewercomes from files_ip/sp
+// so just redraw the page with drawPageOfFigures() as we have all the data 
+function goOutOfViewer()
+{
+    // if this returns -1, we have used arrows to go onto a new page(s)
+    if( getPageNumberForId( $('#figures').find('.figure').first().prop('id') ) == -1 )
+        drawPageOfFigures()
+
+    // hide viewer div, then show files_div
+    $('#viewer_div').addClass('d-none')
+    $('#files_div').removeClass('d-none')
+}
+
+// change the viewer to the previous entry (handle page change too)
+function getPreviousEntry() {
+    var currentIndex = entryList.indexOf(document.viewing.id);
+
+    oldPageOffset=Math.floor(currentIndex / OPT.how_many) 
+    if (currentIndex > 0) {
+        currentIndex--;
+        pageOffset=Math.floor(currentIndex / OPT.how_many)
+        currentIndex=currentIndex-(pageOffset*OPT.how_many)
+        // pref page, load it
+        if( oldPageOffset != pageOffset )
+            // pref page is pageOffset+1 now
+            getPage(pageOffset+1,getPageViewer,currentIndex)
+        else
+            document.viewing=document.entries[currentIndex]
+    }
+}
+
+// change the viewer to the next entry (handle page change too)
+function getNextEntry() {
+    var currentIndex = entryList.indexOf(document.viewing.id);
+
+    oldPageOffset=Math.floor(currentIndex / OPT.how_many) 
+    if (currentIndex < entryList.length - 1) {
+        currentIndex++
+        pageOffset=Math.floor(currentIndex / OPT.how_many) 
+        currentIndex=currentIndex-(pageOffset*OPT.how_many)
+        // next page, load it
+        if( oldPageOffset != pageOffset )
+            // next page is pageOffset+1 now
+            getPage(pageOffset+1,getPageViewer,currentIndex)
+        else
+            document.viewing=document.entries[currentIndex]
+    }
+}
+
+// check if we are viewing the very first entry (helps to disable la)
+function entryIsAtStart() {
+    return document.viewing.id === entryList[0];
+}
+
+// check if we are viewing the very last entry (helps to disable ra)
+function entryIsAtEnd() {
+    return document.viewing.id === entryList[entryList.length - 1];
+}
+
+// helper func to ensure document.viewing is the right entry from document.entries array
+function setEntryById(id) {
+    var currentIndex = entryList.indexOf(parseInt(id));
+    // if we are on a different page, adjust as document.entries only has <= how_many
+    pageOffset=Math.floor(currentIndex / OPT.how_many) 
+    currentIndex = currentIndex-(pageOffset*OPT.how_many)
+    document.viewing=document.entries[currentIndex]
+}
+
+// disable la button if we are viewing first entry and/or ra button if we are viewing last entry
+function setDisabledForViewingNextPrevBttons()
+{
+    $('#la').attr('disabled', entryIsAtStart());
+    $('#ra').attr('disabled', entryIsAtEnd());
+}
+
+// when we go into the view, the keybindings are set here for items like 'f' for face box/name
+function addViewerKeyHandler() {
+    // allow a keypress on the viewer_div
+    $(document).keydown(function(event) {
+        // if dbox is visible, dont process this hot-key, we are inputting text into inputs instead
+        if( $("#dbox").is(':visible') )
+            return
+        switch (event.key) 
+        {
+            case "Left": // IE/Edge specific value
+            case "ArrowLeft":
+                if( $('#la').prop('disabled') == false )
+                    $('#la').click()
+                break;
+            case "Right": // IE/Edge specific value
+            case "ArrowRight":
+                if( $('#ra').prop('disabled') == false )
+                    $('#ra').click()
+                break;
+            case "d":
+                $('#distance').click()
+                break;
+            case "f":
+                $('#faces').click()
+                break;
+            case "n":
+                $('#fname_toggle').click()
+                break;
+            case "F":
+                fullscreen=!document.fullscreen
+                ViewImageOrVideo()
+                break;
+            case "l":
+                JoblogSearch()
+                break;
+            case "Delete":
+                $('#del').click()
+            default:
+                return; // Quit when this doesn't handle the key event.
+        }
+    });
+}
+
+// left arrow onclick handler to go to prev image from inside the viewer
+function prevImageInViewer()
+{
+    getPreviousEntry()
+    setDisabledForViewingNextPrevBttons()
+    ViewImageOrVideo()
+}
+
+// right arrow onclick handler to go to next image from inside the viewer
+function nextImageInViewer()
+{
+    getNextEntry()
+    setDisabledForViewingNextPrevBttons()
+    ViewImageOrVideo()
+
+}
+
+// wrapper func to start the viewer - needed as we have a dbl-click & View file
+// to start the viewer
+function startViewing(eid)
+{
+    dblClickToViewEntry( eid );
+    setDisabledForViewingNextPrevBttons();
+    addViewerKeyHandler()
+}

templates/file_list.html

@@ -1,5 +1,5 @@
 {% extends "base.html" %} {% block main_content %}
-    <script src="{{ url_for( 'internal', filename='js/files_support.js')}}"></script>
+    <script src="{{ url_for( 'internal', filename='js/files_support.js')}}?v={{js_vers['fs']}}"></script>
 
     <div class="container-fluid">
         <h3 class="offset-2">{{page_title}}</h3>
@@ -9,11 +9,11 @@
                     {{CreateSelect( "how_many", OPT.how_many|string, ["10", "25", "50", "75", "100", "150", "200", "500"], "changeOPT(getPageFileList); return false", "rounded-end py-1 my-1" )|safe }}
                     <div class="mb-1 col my-auto d-flex justify-content-center">
                         <button id="prev" name="prev" class="prev sm-txt btn btn-outline-secondary" onClick="prevPage(getPageFileList)">
-                            <svg width="16" height="16" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}#prev"/></svg>
+                            <svg width="16" height="16" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}?v={{js_vers['ic']}}#prev"/></svg>
                         </button>
                         <span class="how_many_text sm-txt my-auto">&nbsp;{{OPT.how_many}} files&nbsp;</span>
                         <button id="next" name="next" class="next sm-txt btn btn-outline-secondary" onClick="nextPage(getPageFileList)">
-                            <svg width="16" height="16" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}#next"/></svg>
+                            <svg width="16" height="16" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}?v={{js_vers['ic']}}#next"/></svg>
                         </button>
                     </div class="col...">
                 </div class="input-group...">
@@ -26,11 +26,11 @@
         <div class="row">
             <div class="col my-auto d-flex justify-content-center">
                 <button aria-label="prev" id="prev" name="prev" class="prev sm-txt btn btn-outline-secondary disabled" onClick="prevPage(getPageFileList)" disabled>
-                    <svg width="16" height="16" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}#prev"/></svg>
+                    <svg width="16" height="16" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}?v={{js_vers['ic']}}#prev"/></svg>
                 </button>
                 <span class="how_many_text sm-txt my-auto">&nbsp;{{OPT.how_many}} files&nbsp;</span>
                 <button aria-label="next" id="next" name="next" class="next sm-txt btn btn-outline-secondary" onClick="nextPage(getPageFileList)">
-                    <svg width="16" height="16" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}#next"/></svg>
+                    <svg width="16" height="16" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}?v={{js_vers['ic']}}#next"/></svg>
                 </button>
             </div class="col my-auto">                                                                                                                                                                                   </div class="row">
     </div class="container-fluid">

templates/files.html

@@ -2,6 +2,11 @@
 {% block main_content %}
 
     <style>
+        @media (max-width: 576px) {
+            #la, #ra {
+                padding: 5% !important;
+            }
+        }
         .norm-txt { font-size: 1.0rem }
         .form-check-input:checked {
             background-color: #39C0ED;
@@ -15,9 +20,9 @@
         }
         #tst90:hover,#tst90:focus { filter: invert(73%) sepia(27%) saturate(3970%) hue-rotate(146deg) brightness(94%) contrast(100%); }
     </style>
-    <script src="{{ url_for( 'internal', filename='js/files_transform.js')}}"></script>
+    <script src="{{ url_for( 'internal', filename='js/files_transform.js')}}?v={{ js_vers['ft'] }}"></script>
-    <script src="{{ url_for( 'internal', filename='js/files_support.js')}}"></script>
+    <script src="{{ url_for( 'internal', filename='js/files_support.js')}}?v={{ js_vers['fs'] }}"></script>
-    <script src="{{ url_for( 'internal', filename='js/view_support.js')}}"></script>
+    <script src="{{ url_for( 'internal', filename='js/view_support.js')}}?v={{ js_vers['vs'] }}"></script>
 
     <div id="files_div">
         <div class="container-fluid">
@@ -26,13 +31,13 @@
                     <div class="my-auto col col-auto">
                         <span class="alert alert-primary py-2">
                         {% if "files_ip" in request.url %}
-                            <svg width="20" height="20" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}#import"/></svg>
+                            <svg width="20" height="20" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}?v={{js_vers['ic']}}#import"/></svg>
                           {% set tmp_path=OPT.cwd | replace( "static/Import", "" ) + "/" %}
                         {% elif "files_sp" in request.url %}
-                            <svg width="20" height="20" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}#db"/></svg>
+                            <svg width="20" height="20" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}?v={{js_vers['ic']}}#db"/></svg>
                           {% set tmp_path=OPT.cwd | replace( "static/Storage", "" ) + "/" %}
                         {% elif "files_rbp" in request.url %}
-                            <svg width="20" height="20" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}#trash"/></svg>
+                            <svg width="20" height="20" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}?v={{js_vers['ic']}}#trash"/></svg>
                           {% set tmp_path=OPT.cwd | replace( "static/Bin", "" ) + "/" %}
                         {% endif %}
                         {{tmp_path}}</span>
@@ -58,21 +63,21 @@
                 {% endif %}
                 <div class="col flex-grow-1 my-auto d-flex justify-content-center w-100">
                     <button aria-label="prev" id="prev" name="prev" class="prev sm-txt btn btn-outline-secondary disabled" onClick="prevPage(getPageFigures)" disabled>
-                        <svg width="16" height="16" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}#prev"/></svg>
+                        <svg width="16" height="16" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}?v={{js_vers['ic']}}#prev"/></svg>
                     </button>
                     <span class="how_many_text sm-txt my-auto">&nbsp;{{OPT.how_many}} files&nbsp;</span>
                     <button aria-label="next" id="next" name="next" class="next sm-txt btn btn-outline-secondary" onClick="nextPage(getPageFigures)">
-                        <svg width="16" height="16" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}#next"/></svg>
+                        <svg width="16" height="16" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}?v={{js_vers['ic']}}#next"/></svg>
                     </button>
                     <button aria-label="move" id="move" disabled name="move" class="sm-txt btn btn-outline-primary ms-4" onClick="MoveDBox(move_paths); return false;">
-                        <svg width="16" height="16" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}#folder_plus"/></svg>
+                        <svg width="16" height="16" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}?v={{js_vers['ic']}}#folder_plus"/></svg>
                     </button>
                     {% if "files_rbp" in request.url %}
                         <button aria-label="delete" id="del" disabled name="del" class="sm-txt btn btn-outline-success mx-1" onClick="DelDBox('Restore'); return false;">
-                            <svg width="16" height="16" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}#trash-fill"/></svg>
+                            <svg width="16" height="16" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}?v={{js_vers['ic']}}#trash-fill"/></svg>
                     {% else %}
                         <button aria-label="delete" id="del" disabled name="del" class="sm-txt btn btn-outline-danger mx-1" onClick="DelDBox('Delete'); return false;">
-                            <svg width="16" height="16" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}#trash-fill"/></svg>
+                            <svg width="16" height="16" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}?v={{js_vers['ic']}}#trash-fill"/></svg>
                     {% endif %}
                     </button>
                     <button style="visibility:hidden" class="btn btn-outline-secondary" aria-label="shift-key" id="shift-key" onclick="document.fake_shift=1-document.fake_shift; event.stopPropagation(); return false">shift</button>
@@ -104,11 +109,11 @@
             <div class="row">
                 <div class="col my-auto d-flex justify-content-center">
                     <button aria-label="prev" id="prev" name="prev" class="prev sm-txt btn btn-outline-secondary disabled" onClick="prevPage(getPageFigures)" disabled>
-                        <svg width="16" height="16" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}#prev"/></svg>
+                        <svg width="16" height="16" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}?v={{js_vers['ic']}}#prev"/></svg>
                     </button>
                     <span class="how_many_text sm-txt my-auto">&nbsp;{{OPT.how_many}} files&nbsp;</span>
                     <button aria-label="next" id="next" name="next" class="next sm-txt btn btn-outline-secondary" onClick="nextPage(getPageFigures)">
-                        <svg width="16" height="16" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}#next"/></svg>
+                        <svg width="16" height="16" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}?v={{js_vers['ic']}}#next"/></svg>
                     </button>
                 </div class="col my-auto">
             </div class="row">
@@ -116,25 +121,25 @@
     </div id="files_div">
     <div id="viewer_div" class="d-none">
         <div id="viewer" class="container-fluid">
-            <div class="row">
+            <div class="row flex-nowrap">
                 <!-- Left Buttons Column -->
-                <div class="col-auto d-flex flex-column">
+                <div class="col-auto d-flex flex-column min-width-0">
                     <!-- Up Button (Small) -->
                     <button title="Back to list" class="btn btn-outline-info btn-sm p-1 mb-1" onclick="goOutOfViewer()">
                         <svg width="16" height="16" fill="currentColor">
-                            <use xlink:href="/internal/icons.svg#back"></use>
+                            <use xlink:href="{{url_for('internal', filename='icons.svg')}}?v={{js_vers['ic']}}#back"></use>
                         </svg>
                     </button>
                     <!-- Left Button (large/flex-grow-1) -->
-                    <button title="Show previous image" class="btn btn-outline-info px-2 flex-grow-1"
+                    <button title="Show previous image" class="btn btn-outline-info px-2 flex-grow-1 overflow-hidden"
                         style="padding: 10%" id="la" onClick="prevImageInViewer()">
                         <svg width="16" height="16" fill="currentColor">
-                            <use xlink:href="{{url_for('internal', filename='icons.svg')}}#prev"/></svg>
+                            <use xlink:href="{{url_for('internal', filename='icons.svg')}}?v={{js_vers['ic']}}#prev"/></svg>
                     </button>
                 </div>
                 <figure class="col col-auto border border-info rounded m-0 p-1" id="figure">
                     <canvas id="canvas"></canvas>
-                    <img id="throbber" src="{{url_for('internal', filename='throbber.gif')}}" style="display:none;">
+                    <img id="throbber" src="{{url_for('internal', filename='throbber.gif')}}?v={{js_vers[th]}}" style="display:none;">
                     <script>
                         var im=new Image();
                         im.onload=DrawImg
@@ -152,18 +157,18 @@
                         <span id="fname_v"></span></figcaption>
                 </div>
                 <!-- Right-hand Buttons Column -->
-                <div class="col-auto d-flex flex-column">
+                <div class="col-auto d-flex flex-column min-width-0">
                     <!-- Up Button (Small) -->
                     <button title="Back to list" class="btn btn-outline-info btn-sm p-1 mb-1" onclick="goOutOfViewer()">
                         <svg width="16" height="16" fill="currentColor">
-                            <use xlink:href="/internal/icons.svg#back"></use>
+                            <use xlink:href="{{url_for('internal', filename='icons.svg')}}?v={{js_vers['ic']}}#back"></use>
                         </svg>
                     </button>
                     <!-- Right Button (large/flex-grow-1) -->
-                    <button title="Show next image" class="btn btn-outline-info px-2 flex-grow-1" 
+                    <button title="Show next image" class="btn btn-outline-info px-2 flex-grow-1 overflow-hidden" 
                         style="padding: 10%" id="ra" onClick="nextImageInViewer()">
                         <svg width="16" height="16" fill="currentColor">
-                            <use xlink:href="{{url_for('internal', filename='icons.svg')}}#next"/></svg>
+                            <use xlink:href="{{url_for('internal', filename='icons.svg')}}?v={{js_vers['ic']}}#next"/></svg>
                     </button>
                 </div>
             </div class="row">
@@ -171,7 +176,7 @@
                 {# this whole div, just takes up the same space as the left button and is hidden for alignment only #}
                 <div class="col-auto px-0">
                     <button class="btn btn-outline-info px-2 invisible" disabled>
-                        <svg width="16" height="16" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}#next"/></svg>
+                        <svg width="16" height="16" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}?v={{js_vers['ic']}}#next"/></svg>
                     </button>
                 </div>
                 <span class="col-auto my-auto">Show:</span>
@@ -194,34 +199,34 @@
                 </div>
                 <div class="col col-auto pt-1">
                     <button class="btn btn-outline-info p-1" title="Rotate by 90 degrees" onClick="Transform(90)">
-                        <img src="{{url_for('internal', filename='rot90.png')}}" width="32" height="32" onMouseOver="this.src='{{url_for('internal', filename='rot90-invert.png')}}'" 
+                        <img src="{{url_for('internal', filename='rot90.png')}}?v={{js_vers['r90']}}" width="32" height="32" onMouseOver="this.src='{{url_for('internal', filename='rot90-invert.png')}}'" 
-                    onMouseOut="this.src='{{url_for('internal', filename='rot90.png')}}'" />
+                    onMouseOut="this.src='{{url_for('internal', filename='rot90.png')}}?v={{js_vers['r90']}}'" />
                     </button>
                     <button class="btn btn-outline-info p-1" title="Rotate by 180 degrees" onClick="Transform(180)">
-                        <img src="{{url_for('internal', filename='rot180.png')}}" width="32" height="32" onMouseOver="this.src='{{url_for('internal', filename='rot180-invert.png')}}'"
+                        <img src="{{url_for('internal', filename='rot180.png')}}?v={{js_vers['r180']}}" width="32" height="32" onMouseOver="this.src='{{url_for('internal', filename='rot180-invert.png')}}'"
-                    onMouseOut="this.src='{{url_for('internal', filename='rot180.png')}}'" />
+                    onMouseOut="this.src='{{url_for('internal', filename='rot180.png')}}?v={{js_vers['r180']}}'" />
                     </button>
                     <button class="btn btn-outline-info p-1" title="Rotate by 270 degrees" onClick="Transform(270)">
-                        <img src="{{url_for('internal', filename='rot270.png')}}" width="32" height="32" onMouseOver="this.src='{{url_for('internal', filename='rot270-invert.png')}}'"
+                        <img src="{{url_for('internal', filename='rot270.png')}}?v={{js_vers['r270']}}" width="32" height="32" onMouseOver="this.src='{{url_for('internal', filename='rot270-invert.png')}}'"
-                    onMouseOut="this.src='{{url_for('internal', filename='rot270.png')}}'" />
+                    onMouseOut="this.src='{{url_for('internal', filename='rot270.png')}}?v={{js_vers['r270']}}'" />
                     </button>
                     <button class="btn btn-outline-info p-1" title="Flip horizontally" onClick="Transform('fliph')">
-                        <svg width="32" height="32" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}#flip_h"/></svg>
+                        <svg width="32" height="32" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}?v={{js_vers['ic']}}#flip_h"/></svg>
                     </button>
                     <button class="btn btn-outline-info p-1" title="Flip vertically" onClick="Transform('flipv')">
-                        <svg width="32" height="32" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}#flip_v"/></svg>
+                        <svg width="32" height="32" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}?v={{js_vers['ic']}}#flip_v"/></svg>
                     </button>
                     <button class="btn btn-outline-info p-1" title="View in Fullscreen mode (hotkey: F)" onClick="fullscreen=true; ViewImageOrVideo()">
-                        <svg width="32" height="32" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}#fullscreen"/></svg>
+                        <svg width="32" height="32" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}?v={{js_vers['ic']}}#fullscreen"/></svg>
                     </button>
                     <button class="btn btn-outline-info p-1" title="Show logs relating to this filename (hotkey: l)" onClick="JoblogSearch()">
-                        <svg width="32" height="32" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}#log"/></svg>
+                        <svg width="32" height="32" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}?v={{js_vers['ic']}}#log"/></svg>
                     </button>
                     <button class="btn btn-outline-info p-1" title="View Original" onClick="window.location='/'+document.viewing.FullPathOnFS">
-                        <svg width="32" height="32" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}#download"/></svg>
+                        <svg width="32" height="32" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}?v={{js_vers['ic']}}#download"/></svg>
                     </button>
                     <button id="viewer_del" class="btn btn-outline-danger p-1" title="Delete (hotkey: Del)" onClick="DelDBox('Delete')">
-                        <svg id="viewer_bin" width="32" height="32" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}#trash"/></svg>
+                        <svg id="viewer_bin" width="32" height="32" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}?v={{js_vers['ic']}}#trash"/></svg>
                     </button>
                 </div>
             </div class="row">
@@ -267,17 +272,17 @@
         s='<span class="alert alert-secondary py-2">'
         if( fname.indexOf( "static/Import" ) == 0 ) 
         {
-            s+='<svg width="20" height="20" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}#import"/></svg>'
+            s+='<svg width="20" height="20" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}?v={{js_vers['ic']}}#import"/></svg>'
             tmp_path=fname.replace("statuc/Import","" )
         }
         if( fname.indexOf( "static/Storage" ) == 0 ) 
         {
-            s+='<svg width="20" height="20" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}#db"/></svg>'
+            s+='<svg width="20" height="20" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}?v={{js_vers['ic']}}#db"/></svg>'
             tmp_path=fname.replace("static/Storage","" )
         }
         if( fname.indexOf( "static/Bin" ) == 0 ) 
         {
-            s+='<svg width="20" height="20" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}#trash-fill"/></svg>'
+            s+='<svg width="20" height="20" fill="currentColor"><use xlink:href="{{url_for('internal', filename='icons.svg')}}?v={{js_vers['ic']}}#trash-fill"/></svg>'
             tmp_path=fname.replace("static/Bin","" )
         }
         s+=tmp_path+'</span>'