278 lines
10 KiB
Python
278 lines
10 KiB
Python
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from qgis.PyQt.QtCore import (
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QCoreApplication,
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QItemSelectionModel
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)
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from qgis.PyQt.QtWidgets import (
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QListWidget,
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QHBoxLayout,
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QPushButton,
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QVBoxLayout
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)
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from qgis.gui import (
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QgsLayoutItemAbstractGuiMetadata,
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QgsLayoutItemBaseWidget,
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QgsLayoutItemPropertiesWidget
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)
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from qgis.core import ( QgsLayoutItemRegistry )
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from plot_settings_widget import DataPlotlyPanelWidget
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from gui_utils import GuiUtils
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ITEM_TYPE = QgsLayoutItemRegistry.PluginItem + 1338
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class PlotLayoutItemWidget(QgsLayoutItemBaseWidget):
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"""
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Configuration widget for layout plot items
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"""
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def __init__(self, parent, layout_object):
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super().__init__(parent, layout_object)
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self.plot_item = layout_object
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self.message_bar = None
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# vl = QVBoxLayout()
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# vl.setContentsMargins(0, 0, 0, 0)
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# plot_tools_layout = QHBoxLayout()
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# plot_add_button = QPushButton()
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# plot_add_button.setIcon(GuiUtils.get_icon('symbologyAdd.svg'))
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# plot_add_button.setToolTip('Add a new plot')
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# plot_tools_layout.addWidget(plot_add_button)
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# plot_add_button.clicked.connect(self.add_plot)
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# plot_remove_button = QPushButton()
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# plot_remove_button.setIcon(GuiUtils.get_icon('symbologyRemove.svg'))
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# plot_remove_button.setToolTip('Remove selected plot')
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# plot_tools_layout.addWidget(plot_remove_button)
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# plot_remove_button.clicked.connect(self.remove_plot)
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# plot_move_up_button = QPushButton()
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# plot_move_up_button.setIcon(GuiUtils.get_icon('mActionArrowUp.svg'))
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# plot_move_up_button.setToolTip('Move selected plot up')
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# plot_tools_layout.addWidget(plot_move_up_button)
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# plot_move_up_button.clicked.connect(self.move_up_plot)
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# plot_move_down_button = QPushButton()
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# plot_move_down_button.setIcon(GuiUtils.get_icon('mActionArrowDown.svg'))
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# plot_move_down_button.setToolTip('Move selected plot down')
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# plot_tools_layout.addWidget(plot_move_down_button)
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# plot_move_down_button.clicked.connect(self.move_down_plot)
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# vl.addLayout(plot_tools_layout)
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# self.plot_list = QListWidget()
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# self.plot_list.setSelectionMode(QListWidget.SingleSelection)
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# vl.addWidget(self.plot_list)
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# self.populate_plot_list()
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# plot_properties_button = QPushButton(self.tr('Setup Selected Plot'))
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# vl.addWidget(plot_properties_button)
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# plot_properties_button.clicked.connect(self.show_properties)
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# self.panel = None
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# self.setPanelTitle(self.tr('Plot Properties'))
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# self.item_properties_widget = QgsLayoutItemPropertiesWidget(self, layout_object)
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# vl.addWidget(self.item_properties_widget)
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# self.setLayout(vl)
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# def populate_plot_list(self):
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# """
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# Clears and re-populates the plot list widget. The currently selection is retained
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# """
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# selected_index = self.plot_list.currentRow()
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# self.plot_list.clear()
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# for setting in self.plot_item.plot_settings:
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# plot_type = setting.plot_type if setting.plot_type is not None else '(not set)'
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# legend_title = ('[' + setting.properties.get('name') + ']') \
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# if setting.properties.get('name', '') != '' else ''
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# self.plot_list.addItem(plot_type + ' ' + legend_title)
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# # select index within range [0, len(plot_settings)-1]
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# selected_index = max(0, min(len(self.plot_item.plot_settings) - 1, selected_index))
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# self.plot_list.setCurrentRow(selected_index, QItemSelectionModel.SelectCurrent)
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# def add_plot(self):
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# """
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# Adds a new plot and updates the plot list and the plot item
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# """
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# self.plot_item.add_plot()
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# self.populate_plot_list()
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# self.plot_item.refresh()
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# def remove_plot(self):
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# """
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# Removes the selected plot and updates the plot list and the plot item
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# """
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# selected_index = self.plot_list.currentRow()
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# if selected_index < 0:
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# return
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# self.plot_item.remove_plot(selected_index)
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# self.populate_plot_list()
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# self.plot_item.refresh()
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# def move_up_plot(self):
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# """
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# Moves the selected plot up and updates the plot list and the plot item
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# """
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# selected_index = self.plot_list.currentRow()
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# if selected_index <= 0:
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# return
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# item = self.plot_item.plot_settings.pop(selected_index)
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# self.plot_item.plot_settings.insert(selected_index - 1, item)
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# self.plot_list.setCurrentRow(selected_index - 1, QItemSelectionModel.SelectCurrent)
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# self.populate_plot_list()
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# self.plot_item.refresh()
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# def move_down_plot(self):
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# """
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# Moves the selected plot down and updates the plot list and the plot item
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# """
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# selected_index = self.plot_list.currentRow()
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# if selected_index >= len(self.plot_item.plot_settings) - 1:
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# return
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# item = self.plot_item.plot_settings.pop(selected_index)
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# self.plot_item.plot_settings.insert(selected_index + 1, item)
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# self.plot_list.setCurrentRow(selected_index + 1, QItemSelectionModel.SelectCurrent)
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# self.populate_plot_list()
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# self.plot_item.refresh()
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# def show_properties(self):
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# """
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# Shows the plot properties panel
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# """
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# selected_plot_index = self.plot_list.currentRow()
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# if selected_plot_index < 0:
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# return
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# self.panel = DataPlotlyPanelWidget(mode=DataPlotlyPanelWidget.MODE_LAYOUT, message_bar=self.message_bar)
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# # not quite right -- we ideally want to also add the source layer scope into the context given by plot item,
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# # but that causes a hard lock in the Python GIL (because PyQt doesn't release the GIL when creating the menu
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# # for the property override buttons). Nothing much we can do about that here (or in QGIS,
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# # it's a Python/PyQt limitation)
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# self.panel.registerExpressionContextGenerator(self.plot_item)
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# self.panel.set_print_layout(self.plot_item.layout())
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# self.panel.linked_map_combo.blockSignals(True)
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# self.panel.linked_map_combo.setItem(self.plot_item.linked_map)
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# self.panel.linked_map_combo.blockSignals(False)
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# self.panel.filter_by_map_check.toggled.connect(self.filter_by_map_toggled)
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# self.panel.filter_by_atlas_check.toggled.connect(self.filter_by_atlas_toggled)
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# self.panel.linked_map_combo.itemChanged.connect(self.linked_map_changed)
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# self.panel.filter_by_map_check.blockSignals(True)
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# self.panel.filter_by_map_check.setChecked(self.plot_item.filter_by_map)
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# self.panel.filter_by_map_check.blockSignals(False)
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# self.panel.filter_by_atlas_check.blockSignals(True)
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# self.panel.filter_by_atlas_check.setChecked(self.plot_item.filter_by_atlas)
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# self.panel.filter_by_atlas_check.blockSignals(False)
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# self.panel.set_settings(self.plot_item.plot_settings[selected_plot_index])
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# # self.panel.set_settings(self.layoutItem().plot_settings)
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# self.openPanel(self.panel)
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# self.panel.widgetChanged.connect(self.update_item_settings)
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# self.panel.panelAccepted.connect(self.set_item_settings)
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# def update_item_settings(self):
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# """
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# Updates the plot item without dismissing the properties panel
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# """
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# if not self.panel:
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# return
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# self.plot_item.set_plot_settings(self.plot_list.currentRow(), self.panel.get_settings())
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# self.populate_plot_list()
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# self.plot_item.update()
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# def set_item_settings(self):
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# """
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# Updates the plot item based on the settings from the properties panel
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# """
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# if not self.panel:
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# return
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# self.plot_item.set_plot_settings(self.plot_list.currentRow(), self.panel.get_settings())
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# self.populate_plot_list()
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# self.panel = None
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# self.plot_item.update()
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# def filter_by_map_toggled(self, value):
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# """
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# Triggered when the filter by map option is toggled
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# """
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# self.plot_item.filter_by_map = bool(value)
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# self.plot_item.update()
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# def filter_by_atlas_toggled(self, value):
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# """
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# Triggered when the filter by atlas option is toggled
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# """
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# self.plot_item.filter_by_atlas = bool(value)
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# self.plot_item.update()
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# def linked_map_changed(self, linked_map):
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# """
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# Triggered when the linked map is changed
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# """
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# self.plot_item.set_linked_map(linked_map)
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# self.plot_item.update()
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# def setNewItem(self, item): # pylint: disable=missing-docstring
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# if item.type() != ITEM_TYPE:
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# return False
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# self.plot_item = item
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# self.item_properties_widget.setItem(item)
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# self.populate_plot_list()
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# if self.panel is not None:
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# self.panel.set_settings(self.plot_item.plot_settings[0])
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# self.panel.filter_by_map_check.blockSignals(True)
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# self.panel.filter_by_map_check.setChecked(item.filter_by_map)
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# self.panel.filter_by_map_check.blockSignals(False)
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# self.panel.filter_by_atlas_check.blockSignals(True)
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# self.panel.filter_by_atlas_check.setChecked(item.filter_by_atlas)
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# self.panel.filter_by_atlas_check.blockSignals(False)
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# self.panel.linked_map_combo.blockSignals(True)
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# self.panel.linked_map_combo.setItem(self.plot_item.linked_map)
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# self.panel.linked_map_combo.blockSignals(False)
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# return True
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# def setDesignerInterface(self, iface): # pylint: disable=missing-docstring
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# super().setDesignerInterface(iface)
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# self.message_bar = iface.messageBar()
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# if self.panel:
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# self.panel.message_bar = self.message_bar
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class PlotLayoutItemGuiMetadata(QgsLayoutItemAbstractGuiMetadata):
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"""
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Metadata for plot item GUI classes
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"""
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def __init__(self):
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super().__init__(ITEM_TYPE, 'test')
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def creationIcon(self): # pylint: disable=missing-docstring, no-self-use
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return GuiUtils.get_icon('circle.svg')
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def createItemWidget(self, item): # pylint: disable=missing-docstring, no-self-use
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return PlotLayoutItemWidget(None, item)
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