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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| """ | ||
| This file is part of Giswater 3 | ||
| The program 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. | ||
| """ | ||
| # -*- coding: utf-8 -*- | ||
| import sys | ||
| import os | ||
|
|
||
| from qgis.PyQt.QtCore import Qt | ||
| from ..toolbars.maptool import GwMaptool | ||
| from ..utils import tools_gw | ||
| from ...libs import tools_qgis | ||
|
|
||
| class GwFlow(GwMaptool): | ||
| """ Base class for flow buttons """ | ||
|
|
||
| def __init__(self, icon_path, action_name, text, toolbar, action_group): | ||
| super().__init__(icon_path, action_name, text, toolbar, action_group) | ||
| self.layers_added = [] | ||
|
|
||
| """ QgsMapTools inherited event functions """ | ||
|
|
||
| def clicked_event(self): | ||
| # Deactivate maptool if already active | ||
| if self == self.iface.mapCanvas().mapTool(): | ||
| return self.cancel_map_tool() | ||
| super().clicked_event() | ||
|
|
||
| def canvasMoveEvent(self, event): | ||
| # Hide marker and get coordinates | ||
| self.vertex_marker.hide() | ||
| event_point = self.snapper_manager.get_event_point(event) | ||
|
|
||
| # Snapping | ||
| result = self.snapper_manager.snap_to_current_layer(event_point) | ||
| if result.isValid(): | ||
| self.snapper_manager.add_marker(result, self.vertex_marker) | ||
| # Data for function | ||
| self.snapped_feat = self.snapper_manager.get_snapped_feature(result) | ||
| else: | ||
| self.snapped_feat = None | ||
|
|
||
| def activate(self): | ||
| # set active and current layer | ||
| self.layer_node = tools_qgis.get_layer_by_tablename("v_edit_node") | ||
| self.iface.setActiveLayer(self.layer_node) | ||
| self.current_layer = self.layer_node | ||
|
|
||
| # Check action. It works if is selected from toolbar. Not working if is selected from menu or shortcut keys | ||
| if hasattr(self.action, "setChecked"): | ||
| self.action.setChecked(True) | ||
|
|
||
| # Store user snapping configuration | ||
| self.previous_snapping = self.snapper_manager.get_snapping_options() | ||
|
|
||
| # Set snapping layers | ||
| self.snapper_manager.set_snapping_layers() | ||
|
|
||
| # Change cursor | ||
| self.canvas.setCursor(self.cursor) | ||
|
|
||
| # Show help message when action is activated | ||
| if self.show_help: | ||
| tools_qgis.show_info(self.help_message) | ||
|
|
||
| # Control current layer (due to QGIS bug in snapping system) | ||
| if self.canvas.currentLayer() is None: | ||
| layer = tools_qgis.get_layer_by_tablename('v_edit_node') | ||
| if layer: | ||
| self.iface.setActiveLayer(layer) | ||
|
|
||
| def deactivate(self): | ||
| super().deactivate() | ||
|
|
||
| def _set_flow(self, event, procedure_name): | ||
| if event.button() == Qt.RightButton: | ||
| return self.cancel_map_tool() | ||
|
|
||
| if event.button() == Qt.LeftButton and self.current_layer: | ||
| if self.snapped_feat is None: | ||
| elem_id = 'null' | ||
| else: | ||
| elem_id = f"""{self.snapped_feat.attribute('node_id')}""" | ||
| feature_id = f'"id":[{elem_id}]' | ||
| point = tools_qgis.create_point(self.canvas, self.iface, event) | ||
| scale_zoom = self.iface.mapCanvas().scale() | ||
| extras = f' "coordinates":{{"xcoord":{point.x()},"ycoord":{point.y()}, "zoomRatio":{scale_zoom}}}' | ||
| body = tools_gw.create_body(feature=feature_id, extras=extras) | ||
| result = tools_gw.execute_procedure(procedure_name, body) | ||
| if not result or result['status'] == 'Failed': | ||
| return | ||
|
|
||
| self.refresh_map_canvas() |
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