From cd04a5560d89adca42dd59b4beb953db99cde611 Mon Sep 17 00:00:00 2001
From: Thomas Hooge <thomas@hoogi.de>
Date: Sun, 26 Oct 2025 09:38:50 +0100
Subject: [PATCH] =?UTF-8?q?Konfigurationsmodus=20f=C3=BCr=20Tide=20begonne?=
 =?UTF-8?q?n?=
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---
 pages/navtex.py |  2 ++
 pages/tide.py   | 85 +++++++++++++++++++++++++++++++++++++++++++++++--
 web.py          |  8 +++++
 3 files changed, 93 insertions(+), 2 deletions(-)

diff --git a/pages/navtex.py b/pages/navtex.py
index e6c9fd3..95149af 100644
--- a/pages/navtex.py
+++ b/pages/navtex.py
@@ -13,6 +13,8 @@ class Navtex(Page):
     def __init__(self, pageno, cfg, appdata, boatdata):
         super().__init__(pageno, cfg, appdata, boatdata)
         self.disabled = self.app.navtex is None
+        if self.disabled:
+            return
         self.ids = self.app.navtex.get_ids()
         if len(self.ids) > 0:
             self.current = 1
diff --git a/pages/tide.py b/pages/tide.py
index 29977c8..7d5a458 100644
--- a/pages/tide.py
+++ b/pages/tide.py
@@ -13,11 +13,86 @@ class Tide(Page):
     def __init__(self, pageno, cfg, appdata, boatdata):
         super().__init__(pageno, cfg, appdata, boatdata)
 
+        self.buttonlabel[1] = 'MODE'
+        self.mode = 'N' # (N)ormal, (C)onfiguration
+
         self.station = "f3c6ee73-5561-4068-96ec-364016e7d9ef" # Schulau
-        self.app.web.set_pegel('List, Sylt')
+        self.pegel = 'List, Sylt'
+        self.app.web.set_pegel(self.pegel)
         self.app.web.refresh()
 
-    def draw(self, ctx):
+        # Steuerung der Stationsliste
+        self.list_max = 10
+        self.list_top = 0
+        self.list_ix = 0
+        self.list_pegel = self.pegel
+        self.list_count = len(self.app.web.pegeldata)
+
+    def handle_key(self, buttonid):
+        if buttonid == 1:
+            if self.mode == 'N':
+                self.mode = 'C'
+                self.buttonlabel[3] = '#UP'
+                self.buttonlabel[4] = '#DOWN'
+                self.buttonlabel[5] = 'SET'
+            else:
+                self.mode = 'N'
+                self.buttonlabel[3] = '#PREV'
+                self.buttonlabel[4] = '#NEXT'
+                self.buttonlabel[5] = ''
+            return True
+        if self.mode == 'C':
+            if buttonid == 3:
+                # Up
+                self.list_ix -= 1
+                if self.list_ix < self.list_top:
+                    self.list_top -= 1
+            elif buttonid == 4:
+                # Down
+                self.list_ix += 1
+                if self.list_ix > self.list_top + self.list_max:
+                    self.list_top += 1
+            elif buttonid == 5:
+                # Set
+                print(self.list_pegel)
+                self.pegel = self.list_pegel
+                self.app.web.set_pegel(self.list_pegel)
+                self.app.web.refresh()
+            return True
+        return False
+
+    def draw_config(self, ctx):
+        # Auswahl
+        # - Station
+        # - Zeitraum
+        #   
+        ctx.select_font_face("Ubuntu", cairo.FontSlant.NORMAL, cairo.FontWeight.BOLD)
+        ctx.set_font_size(20)
+
+        ctx.move_to(2, 50)
+        ctx.show_text("Tide configuration")
+
+        y = 80
+        dy = 20
+        ctx.set_font_size(20)
+        i = 0
+        ix = -1
+        for pd in self.app.web.pegeldata:
+            ix += 1
+            if ix < self.list_top:
+                continue
+            ctx.move_to(20, y + dy * i)
+            ctx.show_text(pd)
+            self.list_pegel = pd
+            if self.list_ix == ix:
+                ctx.show_text(' X')
+            i += 1
+            if self.pegel == pd:
+                ctx.show_text(' *')
+            if ix > self.list_top + self.list_max - 1:
+                break
+
+    def draw_normal(self, ctx):
         # Title
         ctx.select_font_face("Ubuntu", cairo.FontSlant.NORMAL, cairo.FontWeight.BOLD)
         ctx.set_font_size(24)
@@ -124,3 +199,9 @@ class Tide(Page):
             else:
                 prev_valid = False
             x += dx
+
+    def draw(self, ctx):
+        if self.mode == 'N':
+            self.draw_normal(ctx)
+        else:
+            self.draw_config(ctx)
diff --git a/web.py b/web.py
index f7053d3..287dcfd 100644
--- a/web.py
+++ b/web.py
@@ -74,6 +74,14 @@ class WebInterface():
                   )
             self.cur.execute(sql)
             self.log.info(f"Created tide database: {dbpath}")
+        else:
+            # TODO Alte Daten aus vorhandener Datenbank bereinigen
+            ts = datetime.now().replace(minute=0, second=0, microsecond=0) - timedelta(days=2)
+            sql = "DELETE FROM data WHERE timestamp < ?"
+            self.cur.execute(sql, (ts,))
+            self.conn.commit()
+            if self.cur.rowcount > 0:
+                print("Tide: {} old data ponts have been deleted".format(self.cur.rowcount))
 
         self.pegelid = 'Schulau'
         self.bshid = self.pegeldata[self.pegelid]