More UI work

src/applets/install/install.html

@@ -2,14 +2,48 @@
 {% block body %}
 
 <center>
-<p style="position: absolute: left: 45px; top: 10px;"> <big><big> Installing...</big></big></p> <br />
+<p style="position: absolute: left: 45px; top: 10px;">
+<big><big>
+    Installing...
+</big></big>
+</p>
+
+<br />
+
 <img style="width: 400px; padding: 20px;" src="/static/slide1.png" /> <br />
-<p> Installing system, the rest of the process is automated. </p>
-<p style="margin: 20px;"> <input style="background-color: #777777;" type="checkbox" id="reboot" name="reboot" value="reboot" checked>
+<p>
+    Installing system, the rest of the process is automated.
+</p>
+
+<p style="margin: 20px;">
+<input style="background-color: #777777;" type="checkbox"
+       id="reboot" name="reboot" value="reboot" checked>
 <label for="reboot"> Reboot automatically when ready  </label></p><br>
+
+<div id="output"></div>
+
+<!-- Hidden input to track last line -->
+<div id="last-line-container">
+     <input type="hidden" id="last-line" name="last_line" value="0">
+</div>
+
+<!-- Poller -->
+<div hx-get="/install/status"
+     hx-trigger="load, every 1s"
+     hx-include="#last-line"
+     hx-swap-oob="true"
+     hx-target="this"
+     hx-ext="json-enc"
+     hx-vars="{}">
+</div>
+
+
 </center>
 
-<div style="position: absolute; padding: 10px;  background-color: #26495e; left: 40px; right: 40px; bottom: 40px; height: text-align: middle;"> <center> Initializing... </center>  </div>
+<div style="position: absolute; padding: 10px; background-color: #26495e; left: 40px;
+            right: 40px; bottom: 40px; height: text-align: middle;">
+<center> Initializing... </center>
+</div>
 
 </div>
 </div>

src/applets/install/routes.py

@@ -1,8 +1,20 @@
 from applets.install import bp
 from flask import Flask, request, session, redirect, \
-     url_for, render_template, flash, Blueprint
+     url_for, render_template, flash, Blueprint, jsonify
 from flask import current_app
 
+import subprocess
+import threading
+
+
+status = {
+    "status": "idle",  # idle | running | finished
+    "output": "",
+    "exit_code": None,
+    "lines": []
+}
+
+
 @bp.route('/install',methods=['GET', 'POST', 'PUT'])
 def install_index():
     """
@@ -19,14 +31,74 @@ def install_start():
     Trigger the installation process
     """
     print("The installation process is starting!... in theory at least")
+    if status["status"] == "running":
+        return jsonify({"status": "already running"}), 409  # Conflict
+    threading.Thread(target=run_script).start()
+    return jsonify({"status": "started"})
+    print("did it finish?")
 
 
-@bp.route('/install-status',methods=['GET', 'POST', 'PUT'])
+def run_script():
+    global status
+    status["status"] = "running"
+
+    process = subprocess.Popen(
+        ["bash", "/data/jonathan/devel/highvoltage/system-installer/daemon/src/fake-install-shell.sh"],
+        stdout = subprocess.PIPE,
+        stderr = subprocess.STDOUT,
+        text = True)
+
+    lines = []
+    for line in iter(process.stdout.readline,''):
+        #lines.append(line.strip())
+        #status["output"] = "\n".join(lines)
+        status["lines"].append(line.strip())
+
+    process.wait()
+    status["status"] = 'finished'
+    status["exit_code"] = process.returncode
+
+    print(lines)
+    print("status:", status["status"], "code:", status["exit_code"])
+
+
+@bp.route('/install/status', methods=['GET', 'POST'])
 def install_status():
     """
     Update on the status of the installation process.
     """
-    print("installation en coers")
+
+    # Keep track of the last line posted, so that we can include
+    # any new lines not provided to the UI yet
+    last_line = int(request.args.get("last_line", 0))
+    new_lines = status["lines"][last_line:]
+
+    if not new_lines and status["status"] == "finished":
+        return ""  # Empty response = HTMX will stop polling
+
+    lines_html = ""
+    for i, line in enumerate(new_lines, start=last_line + 1):
+        lines_html += f'<div>{line}</div>'
+
+    return {
+        "output": status['output'],
+        "status": status['status'],
+	"lines": lines_html,
+        "last_line": f'<input type="hidden" id="last-line" name="last_line" value="{last_line + len(new_lines)}">'
+    }
+
+
+@bp.route('/install/cancel', methods=["POST"])
+def install_cancel():
+    """
+    Cancel the installation process.
+    """
+    if status["status"] != "running" or not status["process"]:
+        return Response("No running script", status=400)
+    process["process"].terminate()
+    process["status"] = "cancelled"
+    process["exit_code"] = -1
+    return Response("Cancelled", status=200)
 
 
 @bp.route('/settings',methods=['GET', 'POST', 'PUT'])

src/applets/main/routes.py

@@ -1,5 +1,10 @@
-from applets.main import bp
-
+from applets.welcome import bp
+from flask import Flask, request, session, redirect, \
+     url_for, render_template, flash, Blueprint
+# we use this neat little trick to get config data from the main app
+from flask import current_app
+import gettext
+import dmm.lsblk as lsblk
 
 @bp.route('/')
 def index():
@@ -19,3 +24,26 @@ def apihome():
     """
     return ("0")
 
+
+@bp.route('/main/help',methods=['GET', 'POST', 'PUT'])
+def main_welcome():
+    """
+    Manages the main help system.
+    """
+    return render_template('help.html')
+
+
+@bp.route('/main/quit',methods=['GET', 'POST', 'PUT'])
+def main_quit():
+    """
+    Manages the quit dialog.
+    """
+    return render_template('quit.html')
+
+
+@bp.route('/main/menu',methods=['GET', 'POST', 'PUT'])
+def main_menu():
+    """
+    Manages the main menu.
+    """
+    return render_template('menu.html')

src/applets/welcome/welcome.html

@@ -11,7 +11,8 @@
 <div style="padding-left: 15px;">
 
 <form action="/welcome" method="POST">
-<i class="fa fa-language" aria-hidden="true"></i> {{ string_dict['language_text'] }} 
+<i class="fa fa-language-o" aria-hidden="true"></i>
+{{ string_dict['language_text'] }}
 <div class="control is-link" width="180px">
   <div class="select">
     <select hx-post="/welcome" hx-target="body" name="lang" style="width: 220px">

src/system-installer-daemon

@@ -12,7 +12,8 @@ import importlib
 import yaml
 
 # configuration
-CONFIGFILE="templates/dmm-installer-template.yaml"
+#CONFIGFILE="templates/dmm-installer-template.yaml"
+CONFIGFILE="templates/dmm-installer-vm-template.yaml"
 
 # import config
 global config

src/templates/footer.html

@@ -2,7 +2,9 @@
 <div style="position: absolute; bottom: 15px; left: 15px;">
 
 {% if previous_step %}
-<a href="/{{ previous_step }}"><button class="button is-light">Back</button></a>
+<!-- Why two of these? So that we can use two different keyboard shortcuts for back. -->
+<a href="/{{ previous_step }}"><button hx-get="/{{ previous_step }}" hx-target="body" hx-trigger="click, keyup[ctrlKey&&code=='PageUp'] from:body" class="button is-light">Back</button></a>
+<a href="/{{ previous_step }}"><button hx-get="/{{ previous_step }}" hx-target="body" hx-trigger="click, keyup[altKey&&key=='b'] from:body" class=""></button></a>
 {% endif %}
 
 {% if bottom_menu %}
@@ -16,9 +18,13 @@
 <div style="position: absolute; bottom: 15px; right: 15px;">
 {% if next_step %}
 {% if next_step == "install" %}
-<a href="/{{ next_step }}"><button hx-trigger="click, keyup[shiftKey&&key=='I'] from:body" class="button is-link">Install</button></a>
+<a href="/{{ next_step }}"><button hx-get="/{{ next_step }}" hx-target="body" hx-trigger="click, keyup[altKey&&key=='i'] from:body" class="button is-link">Install</button></a>
 {% else %}
-<a href="/{{ next_step }}"><button hx-trigger="click, keyup[shiftKey&&key=='N'] from:body" hx-target="/{{ next_step }}" class="button is-link">Next</button></a>
+
+<!-- Why two of these? So that we can use two different keyboard shortcuts for next. -->
+<a href="/{{ next_step }}"<button hx-get="/{{ next_step }}" hx-target="body" hx-trigger="click, keyup[ctrlKey&&code=='PageDown'] from:body" class=""></button></a>
+<a href="/{{ next_step }}"<button hx-get="/{{ next_step }}" hx-target="body" hx-trigger="click, keyup[altKey&&key=='n'] from:body" class="button is-link">Next</button></a>
+
 {% endif %}
 {% endif %}
 </div>

src/templates/header.html

@@ -4,7 +4,7 @@
 <!-- drag region class: -->
 <!-- <div id="titlebar" class="pywebview-drag-region" style="padding: 15px; margin: -15px; padding-bottom: 30px;"> -->
 
-<button class="button is-link"> ☰ </button>
+<a hx-get="/main/menu" hx-swap="outerHTML"/> <button class="button is-link"> ☰ </button </a>
 
 {% for item in menu_order %}
 <a href="{{ menu[item][1]}}"> <button class="button is-{% if request.path == menu[item][1] %}info{% else %}dark{% endif %}"> {{ menu[item][0]}} </button></a>
@@ -12,8 +12,9 @@
 
 
 <div style="position: absolute; top: 15px; right: 15px;">
-    <a href="/help"> <button class="button is-light"> <b> ? </b> </button></a>
-    <button onclick="closeApp()" class="button is-danger" >  🗙 </button>
+    <a hx-get="/main/help" hx-swap="outerHTML"/> <button class="button is-light"> <b> ? </b> </button></a>
+
+    <a hx-get="/main/quit" hx-swap="outerHTML"/><button onclick="closeApp()" class="button is-danger" >  🗙 </button></a>
 </div>
 
 </div> <!-- end pywebview-drag-region -->