Add tags panel

1 files changed, 58 insertions, 0 deletions

diff --git a/src/gui/tags/form/state.py b/src/gui/tags/form/state.py
new file mode 100644
index 0000000..931e67a
--- /dev/null
+++ b/src/gui/tags/form/state.py
@@ -0,0 +1,58 @@
+from PyQt5 import QtCore
+from typing import Optional
+
+from model.tag import ValidTagForm
+
+class TagFormEdition:
+    def __init__(
+            self,
+            name,
+            name_signal,
+            color,
+            color_signal):
+
+        self._name = name
+        self._color = color
+        self._signal = ValidTagFormSignal()
+
+        name_signal.connect(lambda n: self.on_name_signal(n))
+        color_signal.connect(lambda d: self.on_color_signal(d))
+
+    def get(self) -> Optional[ValidTagForm]:
+        name = self._name.strip()
+        color = self._color.strip()
+
+        if name and color:
+            return ValidTagForm(
+                name = name,
+                color = color)
+        else:
+            return None
+
+    def on_name_signal(self, name: str):
+        self._name = name
+        self.emit()
+
+    def on_color_signal(self, color: str):
+        self._color = color
+        self.emit()
+
+    def emit(self):
+        validForm = self.get()
+        if validForm:
+            self._signal.emit(validForm)
+
+    def signal(self):
+        return self._signal
+
+class ValidTagFormSignal(QtCore.QObject):
+    _signal = QtCore.pyqtSignal(ValidTagForm, name = 'validTagForm')
+
+    def __init__(self):
+        QtCore.QObject.__init__(self)
+
+    def emit(self, form: Optional[ValidTagForm]):
+        self._signal.emit(form)
+
+    def connect(self, f):
+        self._signal.connect(f)