204 lines
7.6 KiB
Python
204 lines
7.6 KiB
Python
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from appTool import *
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fcTranslate.apply_language('strings')
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if '_' not in builtins.__dict__:
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_ = gettext.gettext
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class SimplificationTool(AppToolEditor):
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"""
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Do a shape simplification for the selected geometry.
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"""
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update_ui = pyqtSignal(object, int)
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def __init__(self, app, draw_app):
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AppToolEditor.__init__(self, app)
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self.draw_app = draw_app
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self.decimals = app.decimals
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self.app = self.draw_app.app
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self.ui = SimplificationEditorUI(layout=self.layout, simp_class=self)
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self.plugin_name = self.ui.pluginName
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self.connect_signals_at_init()
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self.set_tool_ui()
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def connect_signals_at_init(self):
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# Signals
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self.update_ui.connect(self.on_update_ui) # noqa
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def run(self):
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self.app.defaults.report_usage("Geo Editor SimplificationTool()")
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super().run()
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# if the splitter us hidden, display it
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if self.app.ui.splitter.sizes()[0] == 0:
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self.app.ui.splitter.setSizes([1, 1])
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# if the Tool Tab is hidden display it, else hide it but only if the objectName is the same
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found_idx = None
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for idx in range(self.app.ui.notebook.count()):
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if self.app.ui.notebook.widget(idx).objectName() == "plugin_tab":
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found_idx = idx
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break
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# show the Tab
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if not found_idx:
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try:
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self.app.ui.notebook.addTab(self.app.ui.plugin_tab, _("Plugin"))
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except RuntimeError:
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self.app.ui.plugin_tab = QtWidgets.QWidget()
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self.app.ui.plugin_tab.setObjectName("plugin_tab")
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self.app.ui.plugin_tab_layout = QtWidgets.QVBoxLayout(self.app.ui.plugin_tab)
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self.app.ui.plugin_tab_layout.setContentsMargins(2, 2, 2, 2)
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self.app.ui.plugin_scroll_area = VerticalScrollArea()
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self.app.ui.plugin_tab_layout.addWidget(self.app.ui.plugin_scroll_area)
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self.app.ui.notebook.addTab(self.app.ui.plugin_tab, _("Plugin"))
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# focus on Tool Tab
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self.app.ui.notebook.setCurrentWidget(self.app.ui.plugin_tab)
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# self.app.ui.notebook.callback_on_close = self.on_tab_close
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self.app.ui.notebook.setTabText(2, self.plugin_name)
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def set_tool_ui(self):
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# Init appGUI
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self.ui.geo_tol_entry.set_value(0.01 if self.draw_app.units == 'MM' else 0.0004)
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if self.draw_app.selected:
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# those are displayed by triggering the signal self.update_ui
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self.calculate_coords_vertex()
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def on_tab_close(self):
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self.draw_app.select_tool("select")
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self.app.ui.notebook.callback_on_close = lambda: None
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def calculate_coords_vertex(self):
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vertex_nr = 0
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coords = []
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for sha in self.draw_app.selected:
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sha_geo = sha.geo
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if 'solid' in sha_geo:
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sha_geo_solid = sha_geo['solid']
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if sha_geo_solid.geom_type == 'Polygon':
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sha_geo_solid_coords = list(sha_geo_solid.exterior.coords)
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elif sha_geo_solid.geom_type in ['LinearRing', 'LineString']:
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sha_geo_solid_coords = list(sha_geo_solid.coords)
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else:
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sha_geo_solid_coords = []
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coords += sha_geo_solid_coords
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vertex_nr += len(sha_geo_solid_coords)
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self.ui.geo_vertex_entry.set_value(vertex_nr)
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self.update_ui.emit(coords, vertex_nr) # noqa
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def on_update_ui(self, coords, vertex_nr):
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self.ui.geo_coords_entry.set_value(str(coords))
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self.ui.geo_vertex_entry.set_value(vertex_nr)
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def hide_tool(self):
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self.ui.simp_frame.hide()
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self.app.ui.notebook.setCurrentWidget(self.app.ui.properties_tab)
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class SimplificationEditorUI:
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pluginName = _("Simplification")
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def __init__(self, layout, simp_class):
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self.simp_class = simp_class
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self.app = self.simp_class.app
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self.decimals = self.app.decimals
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self.layout = layout
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# Title
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title_label = FCLabel("%s" % ('Editor ' + self.pluginName), size=16, bold=True)
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self.layout.addWidget(title_label)
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# this way I can hide/show the frame
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self.simp_frame = QtWidgets.QFrame()
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self.simp_frame.setContentsMargins(0, 0, 0, 0)
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self.layout.addWidget(self.simp_frame)
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self.simp_tools_box = QtWidgets.QVBoxLayout()
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self.simp_tools_box.setContentsMargins(0, 0, 0, 0)
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self.simp_frame.setLayout(self.simp_tools_box)
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# Grid Layout
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grid0 = GLay(v_spacing=5, h_spacing=3)
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self.simp_tools_box.addLayout(grid0)
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# Coordinates
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coords_lbl = FCLabel('%s' % _("Coordinates"), bold=True, color='red')
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coords_lbl.setToolTip(
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_("The coordinates of the selected geometry element.")
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)
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grid0.addWidget(coords_lbl, 0, 0, 1, 2)
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# #############################################################################################################
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# Coordinates Frame
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# #############################################################################################################
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coors_frame = FCFrame()
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grid0.addWidget(coors_frame, 2, 0, 1, 2)
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coords_grid = GLay(v_spacing=5, h_spacing=3)
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coors_frame.setLayout(coords_grid)
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self.geo_coords_entry = FCTextEdit()
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self.geo_coords_entry.setPlaceholderText(
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_("The coordinates of the selected geometry element.")
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)
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coords_grid.addWidget(self.geo_coords_entry, 0, 0, 1, 2)
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# Vertex Points Number
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vertex_lbl = FCLabel('%s:' % _("Vertex Points"), bold=False)
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vertex_lbl.setToolTip(
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_("The number of vertex points in the selected geometry element.")
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)
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self.geo_vertex_entry = FCEntry(decimals=self.decimals)
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self.geo_vertex_entry.setReadOnly(True)
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coords_grid.addWidget(vertex_lbl, 2, 0)
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coords_grid.addWidget(self.geo_vertex_entry, 2, 1)
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# Simplification Title
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par_lbl = FCLabel('%s' % _("Parameters"), bold=True, color='blue')
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grid0.addWidget(par_lbl, 4, 0, 1, 2)
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# #############################################################################################################
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# Parameters Frame
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# #############################################################################################################
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par_frame = FCFrame()
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grid0.addWidget(par_frame, 6, 0, 1, 2)
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par_grid = GLay(v_spacing=5, h_spacing=3)
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par_frame.setLayout(par_grid)
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# Simplification Tolerance
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simplification_tol_lbl = FCLabel('%s' % _("Tolerance"), bold=True)
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simplification_tol_lbl.setToolTip(
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_("All points in the simplified object will be\n"
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"within the tolerance distance of the original geometry.")
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)
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self.geo_tol_entry = FCDoubleSpinner()
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self.geo_tol_entry.set_precision(self.decimals)
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self.geo_tol_entry.setSingleStep(10 ** -self.decimals)
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self.geo_tol_entry.set_range(0.0000, 10000.0000)
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par_grid.addWidget(simplification_tol_lbl, 0, 0)
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par_grid.addWidget(self.geo_tol_entry, 0, 1)
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# Simplification button
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self.simplification_btn = FCButton(_("Simplify"), bold=True)
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self.simplification_btn.setIcon(QtGui.QIcon(self.app.resource_location + '/simplify32.png'))
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self.simplification_btn.setToolTip(
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_("Simplify a geometry element by reducing its vertex points number.")
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)
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self.layout.addWidget(self.simplification_btn)
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GLay.set_common_column_size([grid0, coords_grid, par_grid], 0)
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self.layout.addStretch(1)
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