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WIP/ENH: add FilterComboBox, CollectionBuilderPage
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@tangkong
tangkong committed Sep 11, 2024
1 parent c1685a0 commit 593de38
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207 changes: 207 additions & 0 deletions superscore/ui/collection_builder_page.ui
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<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>Form</class>
<widget class="QWidget" name="Form">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>924</width>
<height>660</height>
</rect>
</property>
<property name="windowTitle">
<string>Form</string>
</property>
<layout class="QVBoxLayout" name="verticalLayout">
<item>
<widget class="QWidget" name="meta_placeholder" native="true">
<property name="sizePolicy">
<sizepolicy hsizetype="Preferred" vsizetype="Maximum">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
</widget>
</item>
<item>
<widget class="Line" name="line">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
</widget>
</item>
<item>
<widget class="QSplitter" name="splitter_2">
<property name="sizePolicy">
<sizepolicy hsizetype="Expanding" vsizetype="Expanding">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<widget class="QTreeView" name="tree_view">
<property name="sizePolicy">
<sizepolicy hsizetype="Preferred" vsizetype="Preferred">
<horstretch>1</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
</widget>
<widget class="QSplitter" name="splitter">
<property name="sizePolicy">
<sizepolicy hsizetype="Expanding" vsizetype="Expanding">
<horstretch>3</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="orientation">
<enum>Qt::Vertical</enum>
</property>
<widget class="QTableView" name="sub_pv_table_view"/>
<widget class="QTableView" name="sub_coll_table_view"/>
<widget class="QTabWidget" name="add_tab_widget">
<property name="currentIndex">
<number>0</number>
</property>
<widget class="QWidget" name="pv_add_widget">
<attribute name="title">
<string>add PV</string>
</attribute>
<layout class="QHBoxLayout" name="horizontalLayout_2">
<item>
<layout class="QVBoxLayout" name="verticalLayout_2">
<item>
<layout class="QHBoxLayout" name="horizontalLayout_4">
<item>
<widget class="QLabel" name="pv_name_label">
<property name="text">
<string>PV name: </string>
</property>
</widget>
</item>
<item>
<widget class="QLineEdit" name="pv_line_edit">
<property name="placeholderText">
<string>PV:TO:ADD, PV2:TO:ADD</string>
</property>
</widget>
</item>
</layout>
</item>
<item>
<layout class="QHBoxLayout" name="horizontalLayout_5">
<item>
<widget class="QLabel" name="rbv_name_label">
<property name="text">
<string>Readback PV name:</string>
</property>
</widget>
</item>
<item>
<widget class="QLineEdit" name="rbv_line_edit">
<property name="placeholderText">
<string>OPTIONAL:PV_RBV, OPTIONAL2:PV_RBV</string>
</property>
</widget>
</item>
</layout>
</item>
</layout>
</item>
<item>
<spacer name="horizontalSpacer">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="sizeType">
<enum>QSizePolicy::Preferred</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>40</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
<item>
<layout class="QVBoxLayout" name="verticalLayout_3">
<item>
<widget class="QPushButton" name="add_pvs_button">
<property name="text">
<string>Add PV(s)</string>
</property>
</widget>
</item>
<item>
<layout class="QHBoxLayout" name="horizontalLayout_6">
<item>
<widget class="QCheckBox" name="ro_checkbox">
<property name="text">
<string>Read Only</string>
</property>
</widget>
</item>
</layout>
</item>
</layout>
</item>
</layout>
</widget>
<widget class="QWidget" name="coll_add_widget">
<attribute name="title">
<string>add Collection</string>
</attribute>
<layout class="QHBoxLayout" name="horizontalLayout_3">
<item>
<widget class="QLabel" name="label">
<property name="sizePolicy">
<sizepolicy hsizetype="Maximum" vsizetype="Preferred">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="text">
<string>Collection Name</string>
</property>
</widget>
</item>
<item>
<widget class="QComboBox" name="coll_combo_box_placeholder">
<property name="placeholderText">
<string>Filtered Collections</string>
</property>
</widget>
</item>
<item>
<widget class="QPushButton" name="add_collection_button">
<property name="text">
<string>Add Collection</string>
</property>
</widget>
</item>
</layout>
</widget>
</widget>
</widget>
</widget>
</item>
<item>
<layout class="QHBoxLayout" name="horizontalLayout">
<item>
<widget class="QPushButton" name="save_button">
<property name="text">
<string>Save Collection</string>
</property>
</widget>
</item>
</layout>
</item>
</layout>
</widget>
<resources/>
<connections/>
</ui>
55 changes: 55 additions & 0 deletions superscore/widgets/enhanced.py
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"""
Enhanced widgets. Widgets that subclass standard qt widgets and add functionality
"""
from qtpy import QtCore, QtWidgets


class FilterComboBox(QtWidgets.QComboBox):
"""
ComboBox with the LineEdit enabled with autocomplete and option filtering
Adapted from https://stackoverflow.com/a/50639066
"""
def __init__(self, parent=None):
super().__init__(parent)

self.setFocusPolicy(QtCore.Qt.StrongFocus)
self.setEditable(True)

# add a filter model to filter matching items
self.filter_model = QtCore.QSortFilterProxyModel(self)
self.filter_model.setFilterCaseSensitivity(QtCore.Qt.CaseInsensitive)
self.filter_model.setSourceModel(self.model())

# add a completer, which uses the filter model
self.setCompleter(QtWidgets.QCompleter(self.filter_model, self))
# always show all (filtered) completions
self.completer().setCompletionMode(QtWidgets.QCompleter.UnfilteredPopupCompletion)

# connect signals
self.lineEdit().textEdited.connect(self.filter_model.setFilterFixedString)
self.completer().activated.connect(self.on_completer_activated)

def on_completer_activated(self, text):
"""
on selection of an item from the completer, select the corresponding item
"""
if text:
index = self.findText(text)
self.setCurrentIndex(index)
self.activated[str].emit(self.itemText(index))

def setModel(self, model):
"""
on model change, update the models of the filter and completer as well
"""
super().setModel(model)
self.filter_model.setSourceModel(model)
self.completer().setModel(self.filter_model)

def setModelColumn(self, column):
"""
on model column change, update the model column of the filter and completer
"""
self.completer().setCompletionColumn(column)
self.filter_model.setFilterKeyColumn(column)
super().setModelColumn(column)
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