1 files changed, 123 insertions, 0 deletions
diff --git a/raphodo/toggleview.py b/raphodo/toggleview.py
new file mode 100644
index 0000000..e1f6ea3
--- /dev/null
+++ b/raphodo/toggleview.py
@@ -0,0 +1,123 @@
+# Copyright (C) 2016 Damon Lynch <damonlynch@gmail.com>
+
+# This file is part of Rapid Photo Downloader.
+#
+# Rapid Photo Downloader is free software: you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Rapid Photo Downloader is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Rapid Photo Downloader.  If not,
+# see <http://www.gnu.org/licenses/>.
+
+"""
+Widget containing Header with Toggle Switch, and contains widget that appears or
+disappears depending on the toggle switch's state.
+
+Portions modeled on Canonical's QExpander, which is an 'Expander widget
+similar to the GtkExpander', Copyright 2012 Canonical Ltd
+"""
+
+__author__ = 'Damon Lynch'
+__copyright__ = "Copyright 2016, Damon Lynch"
+
+from typing import Optional
+from PyQt5.QtCore import pyqtSignal, pyqtSlot, QSize
+from PyQt5.QtGui import QColor, QPalette
+from PyQt5.QtWidgets import (QHBoxLayout, QLabel, QSizePolicy, QVBoxLayout,
+                             QWidget)
+
+from raphodo.toggleswitch import QToggleSwitch
+from raphodo.panelview import QPanelView
+from raphodo.viewutils import QFramedWidget
+
+
+class BlankWidget(QFramedWidget):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        palette = QPalette()
+        palette.setColor(QPalette.Window, palette.color(palette.Base))
+        self.setAutoFillBackground(True)
+        self.setPalette(palette)
+
+
+class QToggleView(QPanelView):
+    """
+    A header bar with tooggle switch over a widget that is switched on/off.
+    """
+
+    valueChanged = pyqtSignal(bool)
+
+    def __init__(self, label: str,
+                 display_alternate: bool,
+                 toggleToolTip: Optional[str],
+                 headerColor: Optional[QColor]=None,
+                 headerFontColor: Optional[QColor]=None,
+                 on: bool=True,
+                 parent: QWidget=None) -> None:
+
+        super().__init__(label=label, headerColor=headerColor, headerFontColor=headerFontColor,
+                         parent=parent)
+        # Override base class definition:
+        self.headerLayout.setContentsMargins(5, 0, 5, 0)
+
+        if display_alternate:
+            self.alternateWidget = BlankWidget()
+            layout = self.layout()  # type: QVBoxLayout
+            layout.addWidget(self.alternateWidget)
+        else:
+            self.alternateWidget = None
+
+
+        self.toggleSwitch = QToggleSwitch(background=headerColor, parent=self)
+        self.toggleSwitch.valueChanged.connect(self.toggled)
+        if toggleToolTip:
+            self.toggleSwitch.setToolTip(toggleToolTip)
+        self.addHeaderWidget(self.toggleSwitch)
+        self.toggleSwitch.setOn(on)
+
+    def addWidget(self, widget: QWidget) -> None:
+        super().addWidget(widget)
+        self.toggled(0)
+
+    def on(self) -> bool:
+        """Return if widget is expanded."""
+
+        return self.toggleSwitch.on()
+
+    def setOn(self, isOn: bool) -> None:
+        """Expand the widget or not."""
+
+        self.toggleSwitch.setOn(isOn)
+
+    @pyqtSlot(int)
+    def toggled(self, value: int) -> None:
+        if self.content is not None:
+            self.content.setVisible(self.on())
+            if self.alternateWidget is not None:
+                self.alternateWidget.setVisible(not self.on())
+
+        self.valueChanged.emit(self.on())
+
+    def minimumSize(self) -> QSize:
+        size = super().minimumSize()
+        width = size.width()
+        height = self.minimumHeight()
+        return QSize(width, height)
+
+    def minimumHeight(self) -> int:
+        if not self.toggleSwitch.on():
+            return self.header.height()
+        else:
+            return super().minimumSize().height()
+
+
+
+
+