1 files changed, 137 insertions, 0 deletions
diff --git a/src/gui/tags/panel/form/widget.py b/src/gui/tags/panel/form/widget.py
new file mode 100644
index 0000000..5627e3b
--- /dev/null
+++ b/src/gui/tags/panel/form/widget.py
@@ -0,0 +1,137 @@
+from PyQt5 import QtWidgets, QtCore, QtGui
+from typing import Optional, Tuple, List, Any
+
+from model.tag import Tag, ValidTagForm
+from model import difficulty, priority
+import gui.icon
+import gui.tags.panel.form.state
+import gui.color
+
+def widget(
+        parent: QtWidgets.QWidget,
+        action_title: str,
+        tag: Tag,
+        on_validated,
+        on_cancel):
+
+    widget = QtWidgets.QWidget(parent)
+    layout = QtWidgets.QVBoxLayout(widget)
+    widget.setLayout(layout)
+
+    grid = QtWidgets.QWidget(widget)
+    layout.addWidget(grid)
+    grid_layout = QtWidgets.QGridLayout(grid)
+    grid.setLayout(grid_layout)
+
+    init_name = tag.name if tag is not None else ''
+    name_input = line_edit(grid, grid_layout, 0, 'Name', init_name)
+
+    init_color = tag.color if tag is not None else '#FFFFFF'
+    color_input = color_edit(grid, grid_layout, 1, 'Color', QtGui.QColor(init_color))
+
+    tag_form_edition = gui.tags.panel.form.state.TagFormEdition(
+            init_name,
+            name_input.textChanged,
+            init_color,
+            color_input.textChanged)
+
+    def on_validate():
+        form = tag_form_edition.get()
+        if form:
+            on_validated(form)
+
+    layout.addWidget(buttons(
+            parent = widget,
+            action_title = action_title,
+            tag_form_signal = tag_form_edition.signal(),
+            on_validate = on_validate,
+            on_cancel = on_cancel))
+
+    return widget
+
+def line_edit(
+        parent,
+        layout: QtWidgets.QGridLayout,
+        n: int,
+        label: str,
+        default_value: str) -> QtWidgets.QLineEdit:
+
+    label = QtWidgets.QLabel(label, parent)
+    layout.addWidget(label, n, 0)
+
+    edit = QtWidgets.QLineEdit(parent)
+    if default_value != None:
+        edit.setText(default_value)
+    layout.addWidget(edit, n, 1)
+
+    return edit
+
+def color_edit(
+        parent,
+        layout: QtWidgets.QGridLayout,
+        n: int,
+        label: str,
+        init_color: QtGui.QColor) -> QtWidgets.QLineEdit:
+
+    label = QtWidgets.QLabel(label, parent)
+    layout.addWidget(label, n, 0)
+
+    edit = ColorInput(init_color, parent)
+    layout.addWidget(edit, n, 1)
+
+    return edit
+
+class ColorInput(QtWidgets.QLineEdit):
+
+    def __init__(self, init_color: QtGui.QColor, parent):
+        super().__init__(parent)
+        self.setReadOnly(True)
+        self.installEventFilter(self)
+        self._color = init_color
+        self.update(init_color)
+        self._is_editing = False
+
+    def eventFilter(self, source, event):
+        if source is self and event.type() == QtCore.QEvent.FocusIn:
+            if not self._is_editing:
+                self._is_editing = True
+                color = QtWidgets.QColorDialog.getColor(self._color, self)
+                if color.isValid():
+                    self.update(color)
+            else:
+                self._is_editing = False
+                self.clearFocus()
+        return super(ColorInput, self).eventFilter(source, event)
+
+    def update(self, color: QtGui.QColor):
+        self._color = color
+        self.setText(color.name().upper())
+        palette = QtGui.QPalette()
+        palette.setColor(QtGui.QPalette.Base, color)
+        palette.setColor(QtGui.QPalette.Text, color)
+        self.setPalette(palette)
+
+def buttons(parent, action_title, tag_form_signal, on_validate, on_cancel):
+    widget = QtWidgets.QWidget(parent)
+    layout = QtWidgets.QHBoxLayout(widget)
+
+    validate = QtWidgets.QPushButton(action_title, widget)
+    validate.setDisabled(True)
+    validate.setIcon(gui.icon.dialog_apply(validate.style()))
+    validate.clicked.connect(on_validate);
+    layout.addWidget(validate)
+
+    def on_tag_form_signal(form: Optional[ValidTagForm]):
+        if form:
+            validate.setEnabled(True)
+        else:
+            validate.setDisabled(True)
+
+    tag_form_signal.connect(on_tag_form_signal)
+
+    cancel = QtWidgets.QPushButton('cancel', widget)
+    cancel.setIcon(gui.icon.dialog_cancel(cancel.style()))
+    cancel.clicked.connect(on_cancel)
+    layout.addWidget(cancel)
+
+    return widget