code release

xlib/mp/csw/Number.py

@@ -0,0 +1,107 @@
+import numpy as np
+from xlib.python import EventListener
+
+from .CSWBase import ControlClient, ControlHost
+
+
+class _NumberBase:
+    def __init__(self):
+        self._number = None
+        self._on_number_evl = EventListener()
+        self._call_on_msg('number', self._on_msg_number)
+
+    def _on_msg_number(self, number):
+        self._set_number(number)
+
+    def _send_number(self):
+        self._send_msg('number', self._number)
+
+    def _set_number(self, number, block_event=False):
+        if number is not None:
+            if isinstance(number, (int, np.int, np.int8, np.int16, np.int32, np.int64)):
+                number = int(number)
+            elif isinstance(number, (float, np.float, np.float16, np.float32, np.float64)):
+                number = float(number)
+            else:
+                raise ValueError('number must be an instance of int/float')
+
+        if self._number != number:
+            self._number = number
+            if not block_event:
+                self._on_number_evl.call(number if number is not None else 0)
+            return True
+        return False
+
+    def call_on_number(self, func_or_list):
+        """Call when the number is changed."""
+        self._on_number_evl.add(func_or_list)
+
+    def set_number(self, number, block_event=False):
+        """
+
+         block_event(False)     bool  on_number event will not be called on this side
+        """
+        if self._set_number(number, block_event=block_event):
+            self._send_number()
+
+    def get_number(self): return self._number
+
+class Number:
+    """
+    Number control.
+
+    Values:
+            None        : uninitialized state
+            int/float   : value
+    """
+
+    class Config:
+        """
+            allow_instant_update    mean that the user widget can
+                                    send the value immediatelly during change,
+                                    for example - scrolling the spinbox
+
+        """
+
+        def __init__(self, min=None, max=None, step=None, decimals=None, zero_is_auto : bool =False, allow_instant_update : bool =False, read_only : bool =False):
+            self.min = min
+            self.max = max
+            self.step = step
+            self.decimals = decimals
+            self.zero_is_auto : bool = zero_is_auto
+            self.allow_instant_update : bool = allow_instant_update
+            self.read_only : bool = read_only
+
+
+    class Host(ControlHost, _NumberBase):
+        def __init__(self):
+            ControlHost.__init__(self)
+            _NumberBase.__init__(self)
+            self._config = Number.Config()
+
+        def _on_msg_number(self, number):
+            if self.is_enabled():
+                _NumberBase._on_msg_number(self, number)
+            self._send_number()
+
+        def get_config(self) -> 'Number.Config':
+            return self._config
+
+        def set_config(self, config : 'Number.Config'):
+            self._config = config
+            self._send_msg('config', config)
+
+    class Client(ControlClient, _NumberBase):
+        def __init__(self):
+            ControlClient.__init__(self)
+            _NumberBase.__init__(self)
+            self._on_config_evl = EventListener()
+            self._call_on_msg('config', self._on_msg_config)
+
+        def _on_reset(self):
+            self._set_number(None)
+
+        def _on_msg_config(self, cfg : 'Number.Config'):
+            self._on_config_evl.call(cfg)
+
+        def call_on_config(self, func): self._on_config_evl.add(func)