-
Notifications
You must be signed in to change notification settings - Fork 2
/
Copy pathrfm_planner_dialogs.py
1830 lines (1686 loc) · 96.8 KB
/
rfm_planner_dialogs.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
# -*- coding: utf-8 -*-
"""
/***************************************************************************
RFMPlannerDialog
A QGIS plugin
Regional Fire Management Plan tool
-------------------
begin : 2018-07-23
git sha : $Format:%H$
copyright : (C) 2018 by Patrick Maslen, Department of Biodiversity, Conservation and Attractions, Western Australia
email : [email protected]
***************************************************************************/
/***************************************************************************
* *
* This 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 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
"""
import os
import subprocess
import ogr2ogr
import processing
from PyQt4 import QtCore, QtGui, uic
from PyQt4.QtCore import Qt, QTimer
from PyQt4.QtGui import QApplication, QBrush, QColor, QCursor, QDialog, QFileDialog, QFont, QListWidgetItem, QMainWindow, QMessageBox, QPushButton, QTableWidgetItem
import qgis.utils
from qgis.core import QGis, QgsCoordinateReferenceSystem, QgsCoordinateTransform, QgsDataSourceURI, QgsExpression, QgsFeatureRequest, QgsMapLayerRegistry, QgsVectorLayer
from qgis.gui import QgsFieldProxyModel, QgsHighlight, QgsMapLayerProxyModel
from forms import add_existing_data, asset_name_selector, asset_table_selector, brmzs_report, burn_modelling_selector, create_region_assets, delete_assets, detailed_editor, edit_record, group_editor, fma_grouping_selector, region_report, show_thresholds, update_threshold
import rfm_library
from rfm_library import debug_msg_box as debug
import globals
from win32com.client import Dispatch #Used for exporting report csvs
import win32gui #Used for exporting report csvs
FORM_CLASS, _ = uic.loadUiType(os.path.join(
os.path.dirname(__file__), 'rfm_planner_dialog_base.ui'))
albers_wa_string = 'proj4: +proj=aea +lat_1=-17.5 +lat_2=-31.5 +lat_0=0 +lon_0=121 +x_0=0 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs'
def window_enumeration_handler(hwnd, top_windows):
# Called by bring_excel_to_front
# Used to bring Excel to front after report export
top_windows.append((hwnd, win32gui.GetWindowText(hwnd)))
def bring_excel_to_front():
results = []
top_windows = []
win32gui.EnumWindows(window_enumeration_handler, top_windows)
for i in top_windows:
if "excel" in i[1].lower():
#print i
win32gui.ShowWindow(i[0],5)
win32gui.SetForegroundWindow(i[0])
break
def show_db_tables(cbx, pref_rgn_only=True):
tables = rfm_library.get_regional_asset_layers(pref_rgn_only)
cbx.clear()
if pref_rgn_only and globals.preferred_region != "All of WA":
cbx.addItems([t for t in tables if t.lower().startswith(globals.preferred_region.lower().replace(" ", "_"))])
else:
cbx.addItems(tables)
# Following over-ride used to enable numerical sorting in table columns.
# Based on http://stackoverflow.com/questions/25533140/sorting-qtablewidget-items-numerically
class QCustomTableWidgetItem (QTableWidgetItem):
def __init__ (self, value):
super(QCustomTableWidgetItem, self).__init__(str('%s' % value))
def __lt__ (self, other):
if (isinstance(other, QCustomTableWidgetItem)):
self_data_value = float(str(self.data(Qt.EditRole)))
other_data_value = float(str(other.data(Qt.EditRole)))
return self_data_value < other_data_value
else:
return QTableWidgetItem.__lt__(self, other)
class AddExistingAssetsDialog(QDialog, add_existing_data.Ui_AddAssetsDialog):
def __init__(self):
QDialog.__init__(self)
self.setupUi(self)
self.filter_layers()
show_db_tables(self.cbx_postgis_tables)
self.update_postgis_default()
self.cbx_map_layers.currentIndexChanged.connect(self.update_postgis_default)
for cbx in [self.cbx_asset_name_field, self.cbx_asset_fma_field, self.cbx_asset_resilience_field, self.cbx_asset_class_field]:
cbx.setFilters(QgsFieldProxyModel.String)
cbx.setLayer(self.cbx_map_layers.currentLayer())
self.cbx_map_layers.layerChanged.connect(cbx.setLayer)
def filter_layers(self):
self.cbx_map_layers.setFilters(QgsMapLayerProxyModel.HasGeometry)
rfmp_postgis_layers = []
registry = QgsMapLayerRegistry.instance()
layers = registry.mapLayers()
for layer in layers:
if layers[layer].source().startswith("dbname='" + globals.rfmp_db + "'") or layers[layer].source().startswith("dbname='" + globals.spatialite_db + "'"):
rfmp_postgis_layers.append(layers[layer])
self.cbx_map_layers.setExceptedLayerList(rfmp_postgis_layers)
def update_postgis_default(self):
# name of this function dates from pre-spatialite inclusion for offline work but also applies to spatialite
if self.cbx_map_layers.currentLayer() is not None:
if self.cbx_map_layers.currentLayer().geometryType() == QGis.Point:
for i in range(self.cbx_postgis_tables.count()):
if self.cbx_postgis_tables.itemText(i).endswith("_asset_points"):
self.cbx_postgis_tables.setCurrentIndex(i)
break
elif self.cbx_map_layers.currentLayer().geometryType() == QGis.Line:
for i in range(self.cbx_postgis_tables.count()):
if self.cbx_postgis_tables.itemText(i).endswith("_asset_lines"):
self.cbx_postgis_tables.setCurrentIndex(i)
break
elif self.cbx_map_layers.currentLayer().geometryType() == QGis.Polygon:
for i in range(self.cbx_postgis_tables.count()):
if self.cbx_postgis_tables.itemText(i).endswith("_asset_polys"):
self.cbx_postgis_tables.setCurrentIndex(i)
break
def accept(self):
#debug("globals.connection_string: " + globals.connection_string)
QApplication.setOverrideCursor(QCursor(QtCore.Qt.WaitCursor))
self.layer = self.cbx_map_layers.currentLayer()
original_lyr_name = self.layer.name()
self.layer_in_albers = QgsVectorLayer(processing.runalg("qgis:reprojectlayer", self.layer, albers_wa_string, None)["OUTPUT"], "layer_in_albers", "ogr")
##self.postgis_table = self.cbx_postgis_tables.currentText()
##region_prelim = self.postgis_table[:self.postgis_table.find("_asset")]
self.spatial_table = self.cbx_postgis_tables.currentText()
region_prelim = self.spatial_table[:self.spatial_table.find("_asset")]
self.region_name = region_prelim.upper().replace("_", " ")
if not self.check_matching_geom_types():
return
field_mapping_needed = False
asset_name_field = self.cbx_asset_name_field.currentField()
asset_class_field = self.cbx_asset_class_field.currentField()
asset_fma_field = self.cbx_asset_fma_field.currentField()
asset_resilience_field = self.cbx_asset_resilience_field.currentField()
proceed = self.selection_and_out_of_region_checks()
if not proceed:
QApplication.restoreOverrideCursor()
self.close()
return
selected_ids = []
if self.layer.selectedFeatureCount() > 0:
selected_ids = self.layer.selectedFeaturesIds()
# Get feature count
if self.layer.selectedFeatureCount() == 0:
total_features = self.layer.featureCount()
else:
total_features = self.layer.selectedFeatureCount()
# Identify any fields which will need editing once copied to database
issues = []
if asset_name_field != "" or asset_class_field != "" or asset_fma_field != "" or asset_resilience_field != "" :
field_mapping_needed = True
if asset_class_field != "" :
value_check = self.check_feature_class_values(asset_class_field, "asset_class")
if value_check is not None:
issues.append(value_check)
else:
issues.append(("asset_class", total_features, 0))
if asset_fma_field != "" :
value_check = self.check_feature_class_values(asset_fma_field, "fma")
if value_check is not None:
issues.append(value_check)
else:
issues.append(("fma", total_features, 0))
if asset_resilience_field != "" :
value_check = self.check_feature_class_values(asset_resilience_field, "resilience")
if value_check is not None:
issues.append(value_check)
else:
issues.append(("resilience", total_features, 0))
geom_type = self.get_qgis_geom_type()
src_crs = self.layer.crs().toProj4()
#get location of this script
#ogr2ogr_path = os.path.abspath(os.path.join(os.path.dirname( __file__ ), 'rfm_resources', 'ogr2ogr.exe'))
#ogr2ogr_parameters = [globals.ogr2ogr_path,
ogr2ogr_parameters = ["ogr2ogr",
"-update",
"-append"]
if globals.db == "postgis":
ogr2ogr_parameters += ["-f", "PostgreSQL",
"PG:" + globals.connection_string]
elif globals.db == "spatialite":
ogr2ogr_parameters += ["-f", "SQLite",
globals.spatialite_db,
"-dsco", "SPATIALITE=YES"]
ogr2ogr_parameters += ["-nln", self.spatial_table,
"-a_srs", src_crs,
"-t_srs", albers_wa_string,
self.layer.source().replace("\\", "/")
]
if self.layer.selectedFeatureCount() > 0:
ogr2ogr_parameters.append("-where")
ogr2ogr_parameters.append("FID IN {}".format(tuple(selected_ids)).replace("L", ""))
if geom_type == "POINT":
ogr2ogr_parameters.append("-explodecollections")
elif geom_type in ["LINE", "POLYGON"]:
ogr2ogr_parameters.append("-nlt")
ogr2ogr_parameters.append("PROMOTE_TO_MULTI")
if field_mapping_needed:
field_map = self.get_field_map(self.layer, asset_name_field, asset_class_field, asset_fma_field, asset_resilience_field)
#debug(field_map)
ogr2ogr_parameters.append("-fieldmap")
ogr2ogr_parameters.append(field_map)
ogr2ogr.main(ogr2ogr_parameters)
# Following commented out once ogr2ogr.py had been hacked to accept field map
# Call ogr2ogr.exe, with DETACHED_PROCESS flag so that console does not appear
#DETACHED_PROCESS = 0x00000008
#try:
# subprocess.check_call(ogr2ogr_parameters, creationflags=DETACHED_PROCESS)
#except:
# ogr2ogr_parameters[0] = '"C:/Program Files/QGIS 2.18/bin/ogr2ogr.exe"'
# subprocess.check_call(ogr2ogr_parameters, creationflags=DETACHED_PROCESS)
#debug(ogr2ogr_parameters)
validate_geom_sql = ""
# Snap to grid and repair any invalid polygon geometries
if geom_type == "POLYGON":
validate_geom_sql = "UPDATE " + self.spatial_table + " SET geometry = ST_Multi(ST_CollectionExtract(ST_MakeValid(ST_SnapToGrid(geometry, 1)), 3)) WHERE NOT ST_IsValid(geometry); COMMIT;"
vac_sql = "VACUUM ANALYZE " + self.spatial_table + ";"
#rfm_library.run_nonselect_sql([validate_geom_sql, " COMMIT;", vac_sql])
if len(issues) > 0:
issues_string = ""
for issue in issues:
issues_string += issue[0] + " column has " + str(issue[1]) + " missing value(s) and " + str(issue[2]) + " invalid value(s)\n"
response = QMessageBox.information(None, "Attribute editing required!", str(total_features) + " features were copied from " + self.layer.name() + " to " + self.spatial_table + " but some attributes need to be added or edited. Within the new rows:\n\n" + issues_string + "\nDo you want to open the attribute table and begin editing?", buttons=QtGui.QMessageBox.Yes|QtGui.QMessageBox.No)
if response == QMessageBox.Yes:
qgis.utils.iface.mapCanvas().refresh()
self.call_load_attr_table()
else:
QMessageBox.information(None, "Complete", str(total_features) + " features successfully copied from " + original_lyr_name + " to " + self.spatial_table)
self.close()
layer_if_present = QgsMapLayerRegistry.instance().mapLayersByName(self.spatial_table)
if not layer_if_present:
if globals.db == "postgis":
rfm_library.load_postgis_layer(self.spatial_table)
elif globals.db == "spatialite":
rfm_library.load_spatialite_layer(self.spatial_table)
else:
qgis.utils.iface.mapCanvas().refreshAllLayers()
QApplication.restoreOverrideCursor()
def selection_and_out_of_region_checks(self):
proceed = True
outside_region_count = self.within_region_check()
if self.layer.selectedFeatureCount() == 0:
if outside_region_count > 0:
#ask about selection
msg = QMessageBox(QMessageBox.Information, "No features selected!", "No features have been selected; if you continue then all of the " + str(self.layer.featureCount()) + " features in " + self.layer.name() + " will be copied to " + self.spatial_table + ".\n\nNote also that " + str(outside_region_count) + " features extend outside the " + self.region_name + " region. Do you want to crop to the region boundary before copying?")
clip_btn = QPushButton("Crop input to \nregion boundary")
continue_btn = QPushButton("Add all features \nfrom input layer")
msg.addButton(clip_btn, QMessageBox.YesRole)
msg.addButton(continue_btn, QMessageBox.NoRole)
msg.addButton(QMessageBox.Cancel)
reply = msg.exec_()
if msg.clickedButton() == clip_btn:
self.clip()
elif reply == QMessageBox.Cancel:
proceed = False
else: # i.e. no selection but whole feature class in within region
msg = QMessageBox.information(None, "No features selected!", "No features have been selected; if you continue then all of the " + str(self.layer.featureCount()) + " features in " + self.layer.name() + " will be copied to " + self.spatial_table + ". Do you want to continue?", buttons=QMessageBox.Yes|QMessageBox.No)
if msg == QMessageBox.No:
proceed = False
else: # i.e. there are selected features
if outside_region_count > 0:
msg = QMessageBox(QMessageBox.Information, "Features extend beyond region!", str(outside_region_count) + " of your input features extend outside " + self.region_name + " region. You can continue, crop inputs to the region boundary, or cancel.")
clip_btn = QPushButton("Crop input to \nregion boundary")
continue_btn = QPushButton("Add all selected \nfeatures from input layer")
msg.addButton(clip_btn, QMessageBox.YesRole)
msg.addButton(continue_btn, QMessageBox.NoRole)
msg.addButton(QMessageBox.Cancel)
reply = msg.exec_()
if msg.clickedButton() == clip_btn:
self.clip()
elif reply == QMessageBox.Cancel:
proceed = False
return proceed
def selection_check(self):
# Check user wants to go ahead if no features selected
if self.layer.selectedFeatureCount() == 0:
reply = QMessageBox.information(None, "No features selected!", "No features have been selected; if you continue then all of the " + str(self.layer.featureCount()) + " features in " + self.layer.name() + " will be copied to " + self.postgis_table + ". Do you want to continue?", buttons=QtGui.QMessageBox.Yes|QtGui.QMessageBox.No)
else:
reply = QMessageBox.information(None, str(self.layer.selectedFeatureCount()) + " features selected for copying.", "If you continue then " + str(self.layer.selectedFeatureCount()) + " of the " + str(self.layer.featureCount()) + " features in " + self.layer.name() + " will be copied to " + self.postgis_table + ". Do you want to continue?", buttons=QtGui.QMessageBox.Yes|QtGui.QMessageBox.No)
return reply
def within_region_check(self):
# Returns count of features which are (or extend) outside region
if globals.db == "postgis":
uri = QgsDataSourceURI()
uri.setConnection(globals.rfmp_host, globals.rfmp_port, globals.rfmp_db, globals.rfmp_user, globals.rfmp_pw)
uri.setDataSource("public", "regions", "geometry", "region='" + self.region_name + "'")
self.regions_layer = QgsVectorLayer(uri.uri(), "region", "postgres")
elif globals.db == "spatialite":
uri = "dbname='" + globals.spatialite_db + "' table='regions' (geometry) sql=""region""='" + self.region_name + "'"
#debug(uri)
self.regions_layer = QgsVectorLayer(uri, "region", "spatialite")
all_within = True
count = 0
for region in self.regions_layer.getFeatures():
region_geom = region.geometry()
features = self.layer_in_albers.getFeatures()
for feature in features:
if not feature.geometry().within(region_geom):
all_within = False
#break
count += 1
return count
def clip(self):
if globals.db == "postgis":
self.layer = QgsVectorLayer(processing.runalg("qgis:clip", self.layer_in_albers, self.regions_layer , None)["OUTPUT"], "clipped_input", "ogr")
elif globals.db == "spatialite":
# QGIS asks for sqlite credentials (nonsensical) unless regions layer is added to map
QgsMapLayerRegistry.instance().addMapLayer(self.regions_layer)
self.layer = QgsVectorLayer(processing.runalg("qgis:clip", self.layer_in_albers, "region" , None)["OUTPUT"], "clipped_input", "ogr")
QgsMapLayerRegistry.instance().removeMapLayer(self.regions_layer)
def get_table_geom_type(self):
self.spatial_table = self.cbx_postgis_tables.currentText()
if globals.db == "postgis":
sql = "SELECT type FROM geometry_columns WHERE f_table_schema = 'public' AND f_table_name = '" + self.spatial_table + "' and f_geometry_column = 'geometry';"
elif globals.db == "spatialite":
sql = "SELECT geometry_type FROM geometry_columns WHERE f_table_name = '" + self.spatial_table + "' and f_geometry_column = 'geometry';"
result = rfm_library.run_select_sql(sql)[0][0]
if globals.db == "postgis":
if 'POINT' in result:
return 'POINT'
elif 'LINE' in result:
return 'LINE'
elif 'POLYGON' in result:
return 'POLYGON'
else:
return 'NO'
elif globals.db == "spatialite":
if result == 1:
return 'POINT'
elif result == 5:
return 'LINE'
elif result == 6:
return 'POLYGON'
else:
return 'NO'
else:
return 'NO'
def get_qgis_geom_type(self):
qgis_layer = self.layer
if qgis_layer.hasGeometryType():
if qgis_layer.geometryType() == QGis.Point:
return "POINT"
elif qgis_layer.geometryType() == QGis.Line:
return "LINE"
elif qgis_layer.geometryType() == QGis.Polygon:
return "POLYGON"
else:
return "UNKNOWN"
else:
return "NO GEOMETRY"
def check_matching_geom_types(self):
table_geom_type = self.get_table_geom_type()
qgis_geom_type = self.get_qgis_geom_type()
if table_geom_type != qgis_geom_type:
QMessageBox.information(None, "Geometry mismatch!", "This map layer has " + qgis_geom_type + " geometry but you have selected a database layer with " + table_geom_type + " geometry. The layer will not be added.")
return False
else:
return True
def get_field_map(self, layer, asset_name_field, asset_class_field, asset_fma_field, asset_resilience_field):
#get source field count
fields = layer.fields()
field_count = fields.count()
#get index of each specified field
asset_name_field_index = fields.indexFromName(asset_name_field)
asset_class_field_index = fields.indexFromName(asset_class_field)
asset_fma_field_index = fields.indexFromName(asset_fma_field)
asset_resilience_field_index = fields.indexFromName(asset_resilience_field)
#get index of each relevant postgis column
if globals.db == "postgis":
sql = "select column_name from INFORMATION_SCHEMA.COLUMNS where table_name = '" + self.spatial_table + "';"
elif globals.db == "spatialite":
sql = "select column_name from vector_layers_field_infos where table_name = '" + self.spatial_table + "' and column_name NOT IN ('geometry', 'gid');"
# NB returns empty result if no features yet in self.spatial_table
columns = rfm_library.run_select_sql(sql)
if len(columns) > 0:
for i in range(len(columns)):
if str(columns[i][0]) == "asset_name":
asset_name_column = i
elif str(columns[i][0]) == "asset_class":
asset_class_column = i
elif str(columns[i][0]) == "fma":
fma_column = i
elif str(columns[i][0]) == "resilience":
resilience_column = i
elif globals.db == "spatialite":
# take default column numbers if fc is empty
asset_name_column = 2
asset_class_column = 1
fma_column = 5
resilience_column = 3
#build string
field_map_list = []
for i in range(field_count):
field_map_list.append(-1)
if asset_name_field_index != -1:
field_map_list[asset_name_field_index] = asset_name_column
if asset_class_field_index != -1:
field_map_list[asset_class_field_index] = asset_class_column
if asset_fma_field_index != -1:
field_map_list[asset_fma_field_index] = fma_column
if asset_resilience_field_index != -1:
field_map_list[asset_resilience_field_index] = resilience_column
return str(field_map_list)[1:-1].replace(" ", "")
def check_feature_class_values(self, field, column):
expected_values = globals.expected_values[column]
missing_count = 0
invalid_count = 0
# Check for missing values and invalid values
for feature in self.layer.getFeatures():
if str(feature[field]).strip() in ["", "NULL"]:
missing_count += 1
elif str(feature[field]).strip() not in expected_values:
invalid_count += 1
if missing_count > 0 or invalid_count > 0:
return (column, missing_count, invalid_count)
def call_load_attr_table(self):
layer_if_present = QgsMapLayerRegistry.instance().mapLayersByName(self.spatial_table)
#debug(layer_if_present)
if not layer_if_present:
if globals.db == "postgis":
rfm_library.load_postgis_layer(self.spatial_table)
elif globals.db == "spatialite":
rfm_library.load_spatialite_layer(self.spatial_table)
else:
qgis.utils.iface.setActiveLayer(layer_if_present[0])
qgis.utils.iface.showAttributeTable(qgis.utils.iface.activeLayer())
if not qgis.utils.iface.activeLayer().isEditable():
qgis.utils.iface.activeLayer().startEditing()
class AssetTableSelectorDialog(QDialog, asset_table_selector.Ui_SelectExistingAssetTablesDialog):
def __init__(self, type):
QDialog.__init__(self)
self.setupUi(self)
tables = rfm_library.get_regional_asset_layers(False, type)
for table in tables:
item = QListWidgetItem(table, self.listWidget)
item.setCheckState(Qt.Unchecked)
self.listWidget.addItem(item)
def accept(self):
QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))
tables_to_load = []
for i in range(self.listWidget.count()):
if self.listWidget.item(i).checkState() == Qt.Checked:
tables_to_load.append(self.listWidget.item(i).text())
for table in tables_to_load:
grouping = self.get_grouping(table)
layer_is_present = QgsMapLayerRegistry.instance().mapLayersByName(table)
if not layer_is_present:
if globals.db == "postgis":
rfm_library.load_postgis_layer(table, grouping)
elif globals.db == "spatialite":
rfm_library.load_spatialite_layer(table, grouping)
else:
response = QMessageBox.information(None, "Layer already loaded!", table + " is already loaded into the map. Do you want to load it again?", buttons=QtGui.QMessageBox.Yes|QtGui.QMessageBox.No)
if response == QMessageBox.Yes:
if globals.db == "postgis":
rfm_library.load_postgis_layer(table, grouping)
elif globals.db == "spatialite":
rfm_library.load_spatialite_layer(table, grouping)
self.close()
QApplication.restoreOverrideCursor()
def get_grouping(self, tbl_name):
if tbl_name.endswith("fmas_by_fma") or tbl_name.endswith("_fmas_complete") or tbl_name.endswith("_fmas_combined"):
grouping = "fma"
elif tbl_name.endswith("fmas_shs") or tbl_name.endswith("fmas_cib") or tbl_name.endswith("fmas_lrr") or tbl_name.endswith("fmas_ram"):
grouping = "fma"
elif tbl_name.endswith("fmas_by_priority"):
grouping = "priority"
elif tbl_name.endswith("fmas_by_fma_and_priority"):
grouping = "fma, priority"
elif tbl_name.endswith("_fmas"):
grouping = ""
else:
grouping = None
return grouping
class BurnModellingSelectorDialog(QDialog, burn_modelling_selector.Ui_BurnModellingSelectorDialog):
def __init__(self):
QDialog.__init__(self)
self.setupUi(self)
self.update_field_names_cbx()
self.rad_all_polys.setChecked(True)
self.rad_all_polys.toggled.connect(self.rad_toggled)
self.rad_map_selection.toggled.connect(self.rad_toggled)
self.rad_list_selection.toggled.connect(self.rad_toggled)
self.mMapLayerComboBox.currentIndexChanged.connect(self.update_field_names_cbx)
self.mFieldComboBox.currentIndexChanged.connect(self.get_values_for_field)
self.tableWidget.setColumnHidden(0, True)
self.tableWidget.setColumnWidth(1, self.tableWidget.width())
def update_field_names_cbx(self):
if self.mMapLayerComboBox.currentLayer() is not None:
self.mFieldComboBox.setLayer(self.mMapLayerComboBox.currentLayer())
def rad_toggled(self):
if self.rad_list_selection.isChecked():
self.tableWidget.setEnabled(True)
else:
self.tableWidget.setEnabled(False)
def get_values_for_field(self):
if self.rad_list_selection.isChecked():
QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))
self.tableWidget.clear()
layer = self.mMapLayerComboBox.currentLayer()
field = self.mFieldComboBox.currentField()
values = []
for feature in layer.getFeatures():
values.append([feature.id(), feature[field]])
values.sort(key=lambda x:x[1])
for value in values:
rowPosition = self.tableWidget.rowCount()
self.tableWidget.insertRow(rowPosition)
item = QTableWidgetItem()
item.setData(Qt.DisplayRole, value[0]) # Because id (value[0]) is an integer
self.tableWidget.setItem(rowPosition , 0, item)
self.tableWidget.setItem(rowPosition , 1, QTableWidgetItem(str(value[1])))
QApplication.restoreOverrideCursor()
def accept(self):
if self.mFieldComboBox.currentField() == "":
QMessageBox.information(None, "Select name/identifier field!", "Please select an Identifier field from the second dropdown")
QApplication.restoreOverrideCursor()
return
field = self.mFieldComboBox.currentField()
QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))
layer = self.mMapLayerComboBox.currentLayer()
use_selected = False
if self.rad_map_selection.isChecked():
use_selected = True
elif self.rad_list_selection.isChecked():
layer.setSelectedFeatures([])
use_selected = True
rows = sorted(set(index.row() for index in self.tableWidget.selectedIndexes()))
burn_cells = [self.tableWidget.item(row, 0).data(Qt.DisplayRole) for row in rows]
layer.select(burn_cells)
rfm_library.model_burn_cells(layer, use_selected, field)
QApplication.restoreOverrideCursor()
self.close()
class CreateRegionAssetsDialog(QDialog, create_region_assets.Ui_CreateRegionAssetsDialog):
def __init__(self):
QDialog.__init__(self)
self.setupUi(self)
if globals.preferred_region == "All of WA":
sql = "SELECT region FROM regions"
regions = []
with globals.conn:
csr = globals.conn.cursor()
csr.execute(sql)
rows = csr.fetchall()
csr.close()
for row in rows:
regions.append(row[0])
self.cbx_regions.addItems(regions)
else:
self.cbx_regions.addItem(globals.preferred_region)
def accept(self):
QtGui.QApplication.setOverrideCursor(QtGui.QCursor(QtCore.Qt.WaitCursor))
region = self.cbx_regions.currentText()
vector_types = [("polys", "MULTIPOLYGON"), ("lines", "LINESTRING"), ("points", "POINT")]
for vector_type in vector_types:
tbl_name = region.lower().replace(" ", "_") + "_asset_" + vector_type[0]
if self.table_check_ok(tbl_name, region):
sql_drop = "DROP TABLE IF EXISTS " + tbl_name
if vector_type[0] == "polys":
sql_create = "CREATE TABLE " + tbl_name + \
" AS SELECT asset_polys.* FROM asset_polys, regions " + \
"WHERE region = '" + region + "' AND " + \
"ST_Intersects(asset_polys.geometry, regions.geometry)"
else:
sql_create = "CREATE TABLE " + tbl_name + \
" AS SELECT * FROM asset_" + vector_type[0]
sql_primary_key = "ALTER TABLE " + tbl_name + " ADD gid serial PRIMARY KEY"
sql_spatial_index = "CREATE INDEX " + tbl_name + "_geom_idx ON " + tbl_name + " USING GIST (geometry);"
rfm_library.run_nonselect_sql([sql_drop, sql_create, sql_primary_key, sql_spatial_index])
rfm_library.update_updates_table(tbl_name)
if globals.db == "postgis":
rfm_library.load_postgis_layer(tbl_name)
elif globals.db == "spatialite":
rfm_library.load_spatialite_layer(tbl_name)
rfm_library.update_regional_assets_menu(globals.update_assets_menu, True)
rfm_library.update_regional_assets_menu(globals.prioritise_menu, True)
self.close()
QtGui.QApplication.restoreOverrideCursor()
def table_check_ok(self, tbl_name, region):
sql_table_check = """SELECT EXISTS (
SELECT 1
FROM information_schema.tables
WHERE table_schema = 'public'
AND table_name = '""" + tbl_name + "');"
result = rfm_library.run_select_sql(sql_table_check)[0][0]
if result is False:
return True # i.e. OK to create table with this name
else:
result = QtGui.QMessageBox.information(None, "Table already exists", "There is already a table " + tbl_name.upper() + \
" in the database. If you continue you will lose any updates which have been made to that table." + \
"\n\nDo you want to overwrite the existing " + tbl_name.upper() + " table?", buttons=QtGui.QMessageBox.Yes|QtGui.QMessageBox.No, defaultButton=QtGui.QMessageBox.NoButton)
if result == QtGui.QMessageBox.Yes:
return True
else:
return False
class DeleteAssetsDialog(QDialog, delete_assets.Ui_DeleteAssetsDialog):
def __init__(self, asset_layers):
QDialog.__init__(self)
self.setupUi(self)
self.filter_layers(asset_layers)
self.btn_go.clicked.connect(self.accept)
self.btn_stop.clicked.connect(self.close)
# following code is to enable old widgets to be retained
self.rad_selected_features.setVisible(False)
self.label_4.setVisible(False)
self.rad_entire_layer.setVisible(False)
def filter_layers(self, asset_layers):
self.cbx_asset_layers.setFilters(QgsMapLayerProxyModel.HasGeometry)
#rfmp_postgis_asset_layers = []
excepted_list = []
registry = QgsMapLayerRegistry.instance()
layers = registry.mapLayers()
for layer in layers:
if not layers[layer].name() in asset_layers:
excepted_list.append(layers[layer])
self.cbx_asset_layers.setExceptedLayerList(excepted_list)
def accept(self):
#if not self.rad_selected_features.isChecked() and not self.rad_entire_layer.isChecked():
# QMessageBox.information(None, "Choose an option!", "To delete, you must choose to delete selected assets or the entire layer")
# return
asset_layer = self.cbx_asset_layers.currentLayer()
if asset_layer.selectedFeatureCount() == 0:
QMessageBox.information(None, "No features selected!", "No features have been selected for deletion. Select any features you want to delete then run this tool.")
self.close()
return
#if self.rad_selected_features.isChecked():
reply = QMessageBox.warning(None, "Asset features will be permanently deleted!", "You are about to delete " + str(asset_layer.selectedFeatureCount()) + " features from " + asset_layer.name() + ". Do you want to continue?", buttons=QMessageBox.Yes|QMessageBox.No)
if reply == QMessageBox.Yes:
QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))
asset_layer.dataProvider().deleteFeatures([f.id() for f in asset_layer.selectedFeatures()])
asset_layer.reload()
qgis.utils.iface.mapCanvas().refreshAllLayers()
QApplication.restoreOverrideCursor()
QMessageBox.information(None, "Asset features deleted", str(asset_layer.selectedFeatureCount()) + " features deleted from " + asset_layer.name() + ".")
#Following code is for deletion of entire layer
"""elif self.rad_entire_layer.isChecked():
sql = "DROP TABLE " + asset_layer.name()
reply = QMessageBox.warning(None, "Table will be completely deleted!", "You are about to delete the entire table " + asset_layer.name() + " from the database. Do you want to continue?", buttons=QMessageBox.Yes|QMessageBox.No)
if reply == QMessageBox.Yes:
rfm_library.run_nonselect_sql([sql])
QgsMapLayerRegistry.instance().removeMapLayers([self.cbx_asset_layers.currentLayer().id()])
QMessageBox.information(None, "Table deleted", asset_layer.name() + " has been deleted from the database.")
"""
self.close()
class EditingMainWindow(QMainWindow):
#parent class for GroupEditorMainWindow, DetailedEditorMainWindow
def __init__(self):
QMainWindow.__init__(self)
self.setupUi(self)
show_db_tables(self.cbx_postgis_tables)
self.rad_any_anom.setChecked(True)
self.btn_add_layer.clicked.connect(self.load_db_layer)
self.check_add_layer_enabling()
self.cbx_postgis_tables.currentIndexChanged.connect(self.check_add_layer_enabling)
def get_anomalies(self):
if not self.rad_any_anom.isChecked():
if self.rad_fma_anom.isChecked():
field = "fma"
elif self.rad_asset_class_anom.isChecked():
field = "asset_class"
elif self.rad_resilience_anom.isChecked():
field = "resilience"
if globals.db == "postgis":
self.anomalies_sql = "SELECT gid, asset_name, fma, asset_class, resilience FROM " + self.layer.name() + " WHERE CONCAT(" + field + ", '') NOT IN (" + str(globals.expected_values[field])[1:-1] + ")"
elif globals.db == "spatialite":
self.anomalies_sql = "SELECT gid, asset_name, fma, asset_class, resilience FROM " + self.layer.name() + " WHERE " + field + " IS NULL OR " + field + " NOT IN (" + str(globals.expected_values[field])[1:-1] + ")"
else:
if globals.db == "postgis":
self.anomalies_sql = "SELECT gid, asset_name, fma, asset_class, resilience FROM " + self.layer.name() + " WHERE CONCAT(fma, '') NOT IN (" + str(globals.expected_values['fma'])[1:-1] + ") OR CONCAT(asset_class, '') NOT IN (" + str(globals.expected_values['asset_class'])[1:-1] + ") OR CONCAT(resilience, '') NOT IN (" + str(globals.expected_values['resilience'])[1:-1] + ")"
elif globals.db == "spatialite":
self.anomalies_sql = "SELECT gid, asset_name, fma, asset_class, resilience FROM " + self.layer.name() + " WHERE fma IS NULL OR fma NOT IN (" + str(globals.expected_values['fma'])[1:-1] + ") OR asset_class IS NULL OR asset_class NOT IN (" + str(globals.expected_values['asset_class'])[1:-1] + ") OR resilience IS NULL OR resilience NOT IN (" + str(globals.expected_values['resilience'])[1:-1] + ")"
anomalies = rfm_library.run_select_sql(self.anomalies_sql)
return anomalies
def load_db_layer(self):
# Check if layer loaded
db_table = self.cbx_postgis_tables.currentText()
layer_if_present = QgsMapLayerRegistry.instance().mapLayersByName(db_table)
if not layer_if_present:
if globals.db == "postgis":
rfm_library.load_postgis_layer(db_table)
elif globals.db == "spatialite":
rfm_library.load_spatialite_layer(db_table)
layer = QgsMapLayerRegistry.instance().mapLayersByName(db_table)[0]
qgis.utils.iface.setActiveLayer(layer)
self.btn_add_layer.setEnabled(False)
return layer
def check_add_layer_enabling(self):
layer_if_present = QgsMapLayerRegistry.instance().mapLayersByName(self.cbx_postgis_tables.currentText())
if not layer_if_present:
self.btn_add_layer.setEnabled(True)
self.lbl_selection_count.setText("")
else:
self.btn_add_layer.setEnabled(False)
selected_features = layer_if_present[0].selectedFeatures()
self.lbl_selection_count.setText(str(len(selected_features)) + " feature(s) selected")
class GroupEditorMainWindow(EditingMainWindow, group_editor.Ui_GroupEditorMainWindow):
def __init__(self, layer=None):
EditingMainWindow.__init__(self)
if qgis.utils.iface.activeLayer() is None:
self.lbl_selection_count.setText("")
elif self.cbx_postgis_tables.findText(qgis.utils.iface.activeLayer().name()) > -1:
self.cbx_postgis_tables.setCurrentIndex(self.cbx_postgis_tables.findText(qgis.utils.iface.activeLayer().name()))
selected_features = qgis.utils.iface.activeLayer().selectedFeatures()
self.lbl_selection_count.setText(str(len(selected_features)) + " feature(s) selected")
else:
self.lbl_selection_count.setText("")
self.rad_fma.toggled.connect(self.rad_button_toggled)
self.rad_asset_class.toggled.connect(self.rad_button_toggled)
self.rad_resilience.toggled.connect(self.rad_button_toggled)
self.btn_case_errors.clicked.connect(self.correct_case_errors)
self.btn_set_values.clicked.connect(self.set_values)
self.btn_select_anomalies.clicked.connect(self.call_get_anomalies)
self.btn_detailed_edit.clicked.connect(self.open_detailed_editor)
def rad_button_toggled(self):
self.cbx_values.clear()
if self.rad_fma.isChecked():
self.cbx_values.addItems(globals.expected_values["fma"])
self.edit_field = "fma"
elif self.rad_asset_class.isChecked():
self.cbx_values.addItems(globals.expected_values["asset_class"])
self.edit_field = "asset_class"
elif self.rad_resilience.isChecked():
self.cbx_values.addItems(globals.expected_values["resilience"])
self.edit_field = "resilience"
def call_get_anomalies(self):
self.layer = self.load_db_layer()
anomalies = self.get_anomalies()
anomaly_ids = [row[0] for row in anomalies]
self.layer.setSelectedFeatures(anomaly_ids)
self.check_add_layer_enabling()
def correct_case_errors(self):
db_table = self.cbx_postgis_tables.currentText()
for key, value_list in globals.expected_values.iteritems():
for value in value_list:
sql = "UPDATE " + db_table + " SET " + key + " = '" + value + "' WHERE REPLACE(UPPER(" + key + "), ' ', '') = '" + value.upper().replace(" ", "") + "'"
rfm_library.run_nonselect_sql([sql])
QMessageBox.information(None, "", "Completed correction of case errors in " + db_table)
def set_values(self):
db_table = self.cbx_postgis_tables.currentText()
layer = self.load_db_layer()
# Check if any features/rows selected
selected_features = layer.selectedFeatures()
count = layer.selectedFeatureCount()
if count == 0:
QMessageBox.information(None, "No selected features", "No features/rows have been selected from " + db_table + ". To use this part of the tool you need to make a selection first.")
self.close()
return
# Get gids of selection
gids = []
for feature in selected_features:
gids.append(int(feature["gid"]))
gids_string = str(gids)[1:-1]
# Assemble sql
sql = "UPDATE " + db_table + " SET " + self.edit_field + " = '" + self.cbx_values.currentText() + "' WHERE gid in (" + gids_string + ")"
# Run sql
rfm_library.run_nonselect_sql([sql])
QMessageBox.information(None, self.edit_field + " updated", str(count) + " records had <b>" + self.edit_field + "</b> set to '" + self.cbx_values.currentText() + "'")
def open_detailed_editor(self):
layer = self.load_db_layer()
self.close()
globals.detailed_editor = DetailedEditorMainWindow(layer)
globals.detailed_editor.show()
class DetailedEditorMainWindow(EditingMainWindow, detailed_editor.Ui_DetailedEditor):
def __init__(self, layer=None):
EditingMainWindow.__init__(self)
self.tbl_features.setColumnWidth(0, 80)
self.tbl_features.setColumnWidth(1, 200)
self.tbl_features.setColumnWidth(2, 60)
self.tbl_features.setColumnWidth(3, 120)
self.tbl_features.setColumnWidth(4, 90)
self.tbl_features.setColumnWidth(5, 80)
self.tbl_features.setColumnWidth(6, 80)
self.tbl_features.setColumnWidth(7, 80)
self.tbl_features.setColumnWidth(8, 80)
self.layer = layer
self.btn_select_anomalies.clicked.connect(self.call_get_anomalies)
self.tbl_features.itemClicked.connect(self.item_clicked)
self.current_hover = [-1, -1]
self.tbl_features.cellEntered.connect(self.cellHover)
self.btn_group_edit.clicked.connect(self.open_group_editor)
def cellHover(self, row, column):
item = self.tbl_features.item(row, column)
old_item = self.tbl_features.item(self.current_hover[0], self.current_hover[1])
if self.current_hover != [row,column]:
if column == 4:
if old_item is not None:
if old_item.column() == 5:
old_item.setBackground(QColor(220, 220, 220, 255))
if column > 4:
if old_item is not None:
if old_item.column() > 4:
old_item.setBackground(QColor(220, 220, 220, 255))
else:
old_item.setBackground(QColor('white'))
item.setBackground(QColor(200, 230, 255, 255))
self.current_hover = [row, column]
def call_get_anomalies(self):
QApplication.setOverrideCursor(Qt.WaitCursor)
self.layer = self.load_db_layer()
self.tbl_features.setRowCount(0)
anomalies = self.get_anomalies()
i = 0
#for feature in anomalies_iterator:
self.tbl_features.setSortingEnabled(False)
for row in anomalies:
self.add_row_to_table(row)
i += 1
self.tbl_features.setSortingEnabled(True)
total_count_sql = "SELECT COUNT(*) FROM " + self.layer.name()
total_count = rfm_library.run_select_sql(total_count_sql)[0][0]
if self.rad_fma_anom.isChecked():
self.search_column = "fma"
elif self.rad_asset_class_anom.isChecked():
self.search_column = "asset_class"
elif self.rad_resilience_anom.isChecked():
self.search_column = "resilience"
else:
self.search_column = "one or more of fma, asset_class and resilience"
self.lbl_selection_count.setText(str(i) + " of " + str(total_count) + " feature(s) have invalid values for " + self.search_column)
QApplication.restoreOverrideCursor()
def item_clicked(self, item):
if item.column() > 4:
id = int(self.tbl_features.item(item.row(), 0).text())
if item.column() == 5:
self.flash_btn_clicked(id)
elif item.column() == 6:
self.zoom_btn_clicked(id)
elif item.column() == 7:
self.edit_btn_clicked(id, item.row())
item.setBackground(QColor(220, 220, 220, 255))
elif item.column() == 8:
self.delete_btn_clicked(id)
def add_row_to_table(self, feature):
id = feature[0]
row_no = self.tbl_features.rowCount()
self.tbl_features.setRowCount(row_no + 1)
self.tbl_features.setItem(row_no, 0, QCustomTableWidgetItem(str(feature[0])))
if feature[1] is not None:
self.tbl_features.setItem(row_no, 1, QTableWidgetItem(str(feature[1])))
else:
self.tbl_features.setItem(row_no, 1, QTableWidgetItem("NULL"))
# feature[2] is fma
if feature[2] is not None:
self.tbl_features.setItem(row_no, 2, QTableWidgetItem(str(feature[2])))
else:
self.tbl_features.setItem(row_no, 2, QTableWidgetItem("NULL"))
if str(feature[2]) in globals.expected_values["fma"]:
self.tbl_features.item(row_no, 2).setForeground(QColor(0, 150, 0, 255))
else:
self.tbl_features.item(row_no, 2).setForeground(QColor(200, 0, 0, 255))
# feature[3] is asset_class
if feature[3] is not None:
self.tbl_features.setItem(row_no, 3, QTableWidgetItem(str(feature[3])))
else:
self.tbl_features.setItem(row_no, 3, QTableWidgetItem("NULL"))
if str(feature[3]) in globals.expected_values["asset_class"]:
self.tbl_features.item(row_no, 3).setForeground(QColor(0, 150, 0, 255))
else:
self.tbl_features.item(row_no, 3).setForeground(QColor(200, 0, 0, 255))
# feature[4] is resilience
if feature[4] is not None:
self.tbl_features.setItem(row_no, 4, QTableWidgetItem(str(feature[4])))
else:
self.tbl_features.setItem(row_no, 4, QTableWidgetItem("NULL"))
if str(feature[4]) in globals.expected_values["resilience"]:
self.tbl_features.item(row_no, 4).setForeground(QColor(0, 150, 0, 255))
else:
self.tbl_features.item(row_no, 4).setForeground(QColor(200, 0, 0, 255))
self.tbl_features.setItem(row_no, 5, QTableWidgetItem("Flash"))
self.tbl_features.item(row_no, 5).setBackground(QColor(220, 220, 220, 255))
self.tbl_features.item(row_no, 5).setTextAlignment(Qt.AlignCenter)
self.tbl_features.setItem(row_no, 6, QTableWidgetItem("Zoom"))
self.tbl_features.item(row_no, 6).setBackground(QColor(220, 220, 220, 255))
self.tbl_features.item(row_no, 6).setTextAlignment(Qt.AlignCenter)
self.tbl_features.setItem(row_no, 7, QTableWidgetItem("Edit"))
self.tbl_features.item(row_no, 7).setBackground(QColor(220, 220, 220, 255))
self.tbl_features.item(row_no, 7).setTextAlignment(Qt.AlignCenter)
self.tbl_features.setItem(row_no, 8, QTableWidgetItem("Delete"))
self.tbl_features.item(row_no, 8).setBackground(QColor(220, 220, 220, 255))
self.tbl_features.item(row_no, 8).setTextAlignment(Qt.AlignCenter)
def flash_btn_clicked(self, id):
# Get feature (using id)
request = QgsFeatureRequest(id)
iterator = self.layer.getFeatures(request)
feature = iterator.next()
# Create highlight
highlight = QgsHighlight(qgis.utils.iface.mapCanvas(), feature.geometry(), self.layer)
# Set highlight symbol properties
highlight.setColor(QColor(0, 255, 255, 255))
highlight.setWidth(6)
highlight.setFillColor(QColor(0, 255, 255, 255))
# Display highlight and set timer to turn off display
highlight.show()
QTimer.singleShot(2000, lambda: self.end_flash(highlight))
def end_flash(self, highlight):
highlight.hide()
def zoom_btn_clicked(self, id):
geom_type = self.layer.geometryType()
# Get feature (using id)
request = QgsFeatureRequest(id)
iterator = self.layer.getFeatures(request)
feature = iterator.next()
geom = feature.geometry()
albers_extent = geom.boundingBox().buffer(1000)
#transform
canvas_crs = qgis.utils.iface.mapCanvas().mapSettings().destinationCrs()
albers_crs = QgsCoordinateReferenceSystem()
albers_crs.createFromProj4(albers_wa_string)
if canvas_crs != albers_wa_string:
crs_transformer = QgsCoordinateTransform(albers_crs, canvas_crs)
extent = crs_transformer.transform(albers_extent)
qgis.utils.iface.mapCanvas().setExtent(extent)
else:
qgis.utils.iface.mapCanvas().setExtent(albers_extent)
qgis.utils.iface.mapCanvas().refreshAllLayers()
self.flash_btn_clicked(id)