mirror of
https://github.com/spalencsar/bearhub.git
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452 lines
14 KiB
Python
452 lines
14 KiB
Python
from pathlib import Path
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from typing import Tuple
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from PyQt5.QtCore import Qt
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from PyQt5.QtGui import QIcon, QPixmap, QIntValidator
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from PyQt5.QtWidgets import QRadioButton, QGroupBox, QCheckBox, QComboBox, QGridLayout, QWidget, \
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QLabel, QSizePolicy, QLineEdit, QToolButton, QHBoxLayout, QFormLayout, QFileDialog, QTabWidget, QVBoxLayout
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from bauh.api.abstract.view import SingleSelectComponent, InputOption, MultipleSelectComponent, SelectViewType, \
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TextInputComponent, FormComponent, FileChooserComponent, ViewComponent, TabGroupComponent, PanelComponent
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from bauh.view.qt import css
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from bauh.view.util import resource
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from bauh.view.util.translation import I18n
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class RadioButtonQt(QRadioButton):
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def __init__(self, model: InputOption, model_parent: SingleSelectComponent):
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super(RadioButtonQt, self).__init__()
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self.model = model
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self.model_parent = model_parent
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self.toggled.connect(self._set_checked)
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if self.model.read_only:
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self.setAttribute(Qt.WA_TransparentForMouseEvents)
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self.setFocusPolicy(Qt.NoFocus)
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def _set_checked(self, checked: bool):
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if checked:
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self.model_parent.value = self.model
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class CheckboxQt(QCheckBox):
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def __init__(self, model: InputOption, model_parent: MultipleSelectComponent, callback):
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super(CheckboxQt, self).__init__()
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self.model = model
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self.model_parent = model_parent
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self.stateChanged.connect(self._set_checked)
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self.callback = callback
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self.setText(model.label)
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self.setToolTip(model.tooltip)
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if model.icon_path:
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self.setIcon(QIcon(model.icon_path))
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if model.read_only:
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self.setAttribute(Qt.WA_TransparentForMouseEvents)
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self.setFocusPolicy(Qt.NoFocus)
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def _set_checked(self, state):
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checked = state == 2
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if checked:
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self.model_parent.values.add(self.model)
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else:
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if self.model in self.model_parent.values:
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self.model_parent.values.remove(self.model)
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if self.callback:
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self.callback(self.model, checked)
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class ComboBoxQt(QComboBox):
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def __init__(self, model: SingleSelectComponent):
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super(ComboBoxQt, self).__init__()
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self.model = model
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for idx, op in enumerate(self.model.options):
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self.addItem(op.label, op.value)
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if op.tooltip:
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self.setItemData(idx, op.tooltip, Qt.ToolTipRole)
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if model.value and model.value == op: # default
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self.setCurrentIndex(idx)
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self.setToolTip(model.value.tooltip)
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self.currentIndexChanged.connect(self._set_selected)
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def _set_selected(self, idx: int):
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self.model.value = self.model.options[idx]
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self.setToolTip(self.model.value.tooltip)
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class RadioBoxQt(QWidget):
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def __init__(self, model: SingleSelectComponent, parent: QWidget = None):
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super(RadioBoxQt, self).__init__(parent=parent)
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self.model = model
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grid = QGridLayout()
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self.setLayout(grid)
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line, col = 0, 0
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for op in model.options:
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comp = RadioButtonQt(op, model)
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comp.setText(op.label)
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comp.setToolTip(op.tooltip)
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if model.value and model.value == op:
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self.value = comp
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comp.setChecked(True)
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grid.addWidget(comp, line, col)
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if col + 1 == self.model.max_per_line:
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line += 1
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col = 0
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else:
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col += 1
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class RadioSelectQt(QGroupBox):
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def __init__(self, model: SingleSelectComponent):
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super(RadioSelectQt, self).__init__(model.label + ' :' if model.label else None)
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self.model = model
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self.setStyleSheet("QGroupBox { font-weight: bold }")
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grid = QGridLayout()
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self.setLayout(grid)
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line, col = 0, 0
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for op in model.options:
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comp = RadioButtonQt(op, model)
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comp.setText(op.label)
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comp.setToolTip(op.tooltip)
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if model.value and model.value == op:
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self.value = comp
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comp.setChecked(True)
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grid.addWidget(comp, line, col)
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if col + 1 == self.model.max_per_line:
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line += 1
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col = 0
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else:
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col += 1
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class ComboSelectQt(QGroupBox):
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def __init__(self, model: SingleSelectComponent):
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super(ComboSelectQt, self).__init__()
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self.model = model
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self.setLayout(QGridLayout())
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self.setStyleSheet('QGridLayout {margin-left: 0} QLabel { font-weight: bold}')
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self.layout().addWidget(QLabel(model.label + ' :'), 0, 0)
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self.layout().addWidget(ComboBoxQt(model), 0, 1)
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class TextInputQt(QGroupBox):
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def __init__(self, model: TextInputComponent):
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super(TextInputQt, self).__init__()
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self.model = model
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self.setLayout(QGridLayout())
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self.setStyleSheet('QGridLayout {margin-left: 0} QLabel { font-weight: bold}')
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self.layout().addWidget(QLabel(model.label.capitalize() + ' :' if model.label else ''), 0, 0)
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self.text_input = QLineEdit()
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if model.only_int:
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self.text_input.setValidator(QIntValidator())
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if model.placeholder:
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self.text_input.setPlaceholderText(model.placeholder)
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if model.tooltip:
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self.text_input.setToolTip(model.tooltip)
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if model.value:
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self.text_input.setText(model.value)
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self.text_input.setCursorPosition(0)
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self.text_input.textChanged.connect(self._update_model)
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self.layout().addWidget(self.text_input, 0, 1)
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def _update_model(self, text: str):
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self.model.value = text
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# class ComboSelectQt(QGroupBox):
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#
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# def __init__(self, model: SingleSelectComponent):
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# super(ComboSelectQt, self).__init__(model.label + ' :')
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# self.model = model
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# self.setLayout(QGridLayout())
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# self.setStyleSheet('QGridLayout {margin-left: 0} QLabel { font-weight: bold}')
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# self.layout().addWidget(ComboBoxQt(model), 0, 1)
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class MultipleSelectQt(QGroupBox):
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def __init__(self, model: MultipleSelectComponent, callback):
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super(MultipleSelectQt, self).__init__(model.label if model.label else None)
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self.setStyleSheet(css.GROUP_BOX)
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self.model = model
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self._layout = QGridLayout()
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self.setLayout(self._layout)
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if model.label:
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line = 1
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self.layout().addWidget(QLabel(), 0, 1)
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else:
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line = 0
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col = 0
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pixmap_help = QPixmap()
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for op in model.options: # loads the help icon if at least one option has a tooltip
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if op.tooltip:
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with open(resource.get_path('img/about.svg'), 'rb') as f:
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pixmap_help.loadFromData(f.read())
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pixmap_help = pixmap_help.scaled(16, 16, Qt.KeepAspectRatio, Qt.SmoothTransformation)
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break
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for op in model.options:
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comp = CheckboxQt(op, model, callback)
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if model.values and op in model.values:
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self.value = comp
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comp.setChecked(True)
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widget = QWidget()
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widget.setLayout(QHBoxLayout())
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widget.layout().addWidget(comp)
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if op.tooltip:
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help_icon = QLabel()
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help_icon.setPixmap(pixmap_help)
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help_icon.setToolTip(op.tooltip)
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widget.layout().addWidget(help_icon)
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self._layout.addWidget(widget, line, col)
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if col + 1 == self.model.max_per_line:
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line += 1
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col = 0
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else:
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col += 1
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if model.label:
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self.layout().addWidget(QLabel(), line + 1, 1)
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class InputFilter(QLineEdit):
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def __init__(self, on_key_press):
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super(InputFilter, self).__init__()
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self.on_key_press = on_key_press
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self.last_text = ''
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def keyPressEvent(self, event):
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super(InputFilter, self).keyPressEvent(event)
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text = self.text().strip()
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if text != self.last_text:
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self.last_text = text
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self.on_key_press()
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def get_text(self):
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return self.last_text
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def setText(self, p_str):
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super(InputFilter, self).setText(p_str)
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self.last_text = p_str
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class IconButton(QWidget):
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def __init__(self, icon: QIcon, action, i18n: I18n, background: str = None, align: int = Qt.AlignCenter, tooltip: str = None):
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super(IconButton, self).__init__()
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self.bt = QToolButton()
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self.bt.setIcon(icon)
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self.bt.clicked.connect(action)
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self.i18n = i18n
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self.default_tootip = tooltip
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self.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Minimum)
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self.bt.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Minimum)
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if background:
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style = 'QToolButton { color: white; background: ' + background + '} '
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style += 'QToolButton:disabled { color: white; background: grey }'
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self.bt.setStyleSheet(style)
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if tooltip:
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self.bt.setToolTip(tooltip)
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layout = QHBoxLayout()
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layout.setContentsMargins(0, 0, 0, 0)
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layout.setAlignment(align)
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layout.addWidget(self.bt)
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self.setLayout(layout)
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def setEnabled(self, enabled):
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super(IconButton, self).setEnabled(enabled)
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if not enabled:
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self.bt.setToolTip(self.i18n['icon_button.tooltip.disabled'])
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else:
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self.bt.setToolTip(self.default_tootip)
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class PanelQt(QWidget):
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def __init__(self, model: PanelComponent, i18n: I18n, parent: QWidget = None):
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super(PanelQt, self).__init__(parent=parent)
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self.model = model
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self.i18n = i18n
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self.setLayout(QVBoxLayout())
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self.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Minimum)
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if model.components:
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for c in model.components:
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self.layout().addWidget(to_widget(c, i18n))
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class FormQt(QGroupBox):
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def __init__(self, model: FormComponent, i18n: I18n):
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super(FormQt, self).__init__(model.label if model.label else '')
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self.model = model
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self.i18n = i18n
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self.setLayout(QFormLayout())
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self.setStyleSheet(css.GROUP_BOX)
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self.layout().addRow(QLabel(), QLabel())
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for c in model.components:
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if isinstance(c, TextInputComponent):
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label, field = self._new_text_input(c)
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self.layout().addRow(label, field)
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elif isinstance(c, SingleSelectComponent):
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label = QLabel(c.label.capitalize() if c.label else '')
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field = ComboBoxQt(c) if c.type == SelectViewType.COMBO else RadioBoxQt(c)
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self.layout().addRow(label, field)
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elif isinstance(c, FileChooserComponent):
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label, field = self._new_file_chooser(c)
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self.layout().addRow(label, field)
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elif isinstance(c, FormComponent):
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self.layout().addRow(FormQt(c, self.i18n))
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else:
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raise Exception('Unsupported component type {}'.format(c.__class__.__name__))
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self.layout().addRow(QLabel(), QLabel())
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def _new_text_input(self, c: TextInputComponent) -> Tuple[QLabel, QLineEdit]:
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line_edit = QLineEdit()
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if c.only_int:
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line_edit.setValidator(QIntValidator())
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if c.tooltip:
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line_edit.setToolTip(c.tooltip)
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if c.placeholder:
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line_edit.setPlaceholderText(c.placeholder)
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if c.value:
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line_edit.setText(c.value)
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line_edit.setCursorPosition(0)
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if c.read_only:
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line_edit.setEnabled(False)
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def update_model(text: str):
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c.value = text
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line_edit.textChanged.connect(update_model)
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return QLabel(c.label.capitalize() if c.label else ''), line_edit
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def _new_file_chooser(self, c: FileChooserComponent) -> Tuple[QLabel, QLineEdit]:
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chooser = QLineEdit()
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chooser.setReadOnly(True)
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chooser.setPlaceholderText(self.i18n['view.components.file_chooser.placeholder'])
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def open_chooser(e):
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options = QFileDialog.Options()
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if c.allowed_extensions:
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exts = ';;'.join({'*.{}'.format(e) for e in c.allowed_extensions})
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else:
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exts = '{}} (*);;'.format(self.i18n['all_files'].capitalize())
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file_path, _ = QFileDialog.getOpenFileName(self, self.i18n['file_chooser.title'], str(Path.home()), exts, options=options)
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if file_path:
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c.file_path = file_path
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chooser.setText(file_path)
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else:
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c.file_path = None
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chooser.setText('')
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chooser.setCursorPosition(0)
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chooser.mousePressEvent = open_chooser
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return QLabel(c.label if c.label else ''), chooser
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class TabGroupQt(QTabWidget):
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def __init__(self, model: TabGroupComponent, i18n: I18n, parent: QWidget = None):
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super(TabGroupQt, self).__init__(parent=parent)
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self.model = model
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self.setTabPosition(QTabWidget.North)
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for c in model.tabs:
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icon = QIcon(c.icon_path) if c.icon_path else None
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self.addTab(to_widget(c.content, i18n), icon, c.label)
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def new_single_select(model: SingleSelectComponent) -> QWidget:
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if model.type == SelectViewType.RADIO:
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return RadioSelectQt(model)
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elif model.type == SelectViewType.COMBO:
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return ComboSelectQt(model)
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else:
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raise Exception("Unsupported type {}".format(model.type))
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def new_spacer(min_width: int = None) -> QWidget:
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spacer = QWidget()
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if min_width:
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spacer.setMinimumWidth(min_width)
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spacer.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
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return spacer
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def to_widget(comp: ViewComponent, i18n: I18n, parent: QWidget = None) -> QWidget:
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if isinstance(comp, SingleSelectComponent):
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return new_single_select(comp)
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elif isinstance(comp, MultipleSelectComponent):
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return MultipleSelectQt(comp, None)
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elif isinstance(comp, TextInputComponent):
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return TextInputQt(comp)
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elif isinstance(comp, FormComponent):
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return FormQt(comp, i18n)
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elif isinstance(comp, TabGroupComponent):
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return TabGroupQt(comp, i18n, parent)
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elif isinstance(comp, PanelComponent):
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return PanelQt(comp, i18n, parent)
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else:
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raise Exception("Cannot render instances of " + comp.__class__.__name__)
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