added buttons for no video/no image

assets/init.js

@@ -109,6 +109,39 @@ function manual(f)
     });
 }
 
+function noimage(sender)
+{
+    sender.style.background="yellow";
+    console.log(sender.id);
+    var client = new HttpClient();
+    loc='/noimage?';
+    console.log(loc);
+
+    client.get(loc, function(response) {
+    // do something with response
+    });
+    getimages();
+    setTimeout(() => {  sender.style.background="darkgray"; }, 500);
+    
+    
+}
+
+function novideo(sender)
+{
+    sender.style.background="yellow";
+    console.log(sender.id);
+    var client = new HttpClient();
+    loc='/novideo?';
+    console.log(loc);
+
+    client.get(loc, function(response) {
+    // do something with response
+    });
+    getvideos();
+    setTimeout(() => {  sender.style.background="darkgray"; }, 500);
+    
+}
+
 function setcron()
 {
     console.log("set cron");
@@ -215,6 +248,20 @@ function isloaded()
             dayclick(sender);
        }
     }
+    var noimagebtn=document.getElementById("noimage");
+    noimagebtn.onclick = function(e) {
+            if (!e) e = window.event;
+            var sender = e.srcElement || e.target;
+            noimage(sender);
+       }
+
+    var novideobtn=document.getElementById("novideo");
+    novideobtn.onclick = function(e) {
+            if (!e) e = window.event;
+            var sender = e.srcElement || e.target;
+            novideo(sender);
+       }
+
     getfree();
     getcurrent();
     getimages();

hbue.py

@@ -28,6 +28,7 @@ import subprocess
 import json
 import psutil
 from PIL import Image
+import time
 
 h_on=0
 h_off=0
@@ -161,9 +162,11 @@ class MyHandler(http.server.BaseHTTPRequestHandler):
 		<hr/>
 		<h3>Select media to show:</h3>
 
+		<!--
+		-->
 
-		<table><td><h3>Images</h3>current Image: <div id="currentimage"></div><br>
-		<td width=10><td><h3>Videos</h3>current Video: <div id="currentvideo"></div><br><tr><td valign=top><ul id="images">""" 
+		<table><td><h3>Images</h3><table><td>current Image: <div id="currentimage"></div><td align="right"><div  id="noimage" class="mbutton">None</div></table><br>
+		<td width=10><td><h3>Videos</h3><table><td>current Video: <div id="currentvideo"></div><td align="right"><div onclick="novideo()" id="novideo" class="mbutton">None</div></table><br><tr><td valign=top><ul id="images">""" 
 
 		self.wfile.write(bytes(page_tpl, 'UTF-8'))
 
@@ -236,6 +239,12 @@ class MyHandler(http.server.BaseHTTPRequestHandler):
 				if param=="on":
 					print("hdmi on")
 					os.system("/usr/bin/tvservice -p")
+					#pngview output is missing after hdmi off/on, restore previous
+					os.system("pkill -f pngview")
+					time.sleep(.2)
+					current=os.listdir("/home/pi/image/")[0]
+					os.system("/home/pi/raspidmx/pngview/pngview -l 10 "+"/home/pi/image/"+current+" &")
+
 				if param=="off":
 					print("hdmi off")
 					os.system("/usr/bin/tvservice -o")
@@ -272,6 +281,17 @@ class MyHandler(http.server.BaseHTTPRequestHandler):
 								self.wfile.write(bytes("\t\t<li class=\"selectmedia\"><table><td align=center width=145><img src=\""+fthumb+"\"><td><a title=\"delete\" class=\"delete\" href=\"/delete?%s\">delete</a><td><a title=\"select\" class=\"select\" href=\"/execute?%s\">select</a><td width=145><a href=\"/download?%s\">%s</a><br>%s</table></li>\n" % (urllib.parse.unquote(f),urllib.parse.unquote(f),urllib.parse.unquote(f),fname,meta) , 'UTF-8'))
 				
 				return
+			elif page == '/novideo':
+				print("have novideo")
+				os.system("pkill -f omxplayer")
+				currentvideo=""
+				return
+
+			elif page == '/noimage':
+				print("have noimage")
+				currentimage=""
+				os.system("pkill -f pngview")
+				return
 
 			elif page == '/getcurrent':
 				print("have get current")

imagewatcher.py

@@ -18,6 +18,9 @@ class ImagesEventHandler(RegexMatchingEventHandler):
     def on_created(self, event):
         self.process(event)
 
+    def on_deleted(self, event):
+        os.system("pkill -f pngview")        
+
     def process(self, event):
         print("processing",event.src_path)
         os.system("pkill -f pngview")

videowatcher.py

@@ -18,6 +18,10 @@ class ImagesEventHandler(RegexMatchingEventHandler):
     def on_created(self, event):
         self.process(event)
 
+    def on_deleted(self, event):
+        os.system("pkill -f omxplayer")        
+
+
     def process(self, event):
         print("processing",event.src_path)
         os.system("pkill -f omxplayer")