def __init__(self, ms):
""" constructor """
super(MSTableModel, self).__init__(None)
self.ms = ms
self.valid_codes = self.ms.taxonomy.codes
self.headers = [
get_ui_string("widget.mod.tableheader.zone"),
get_ui_string("widget.mod.tableheader.path"),
get_ui_string("widget.mod.tableheader.value"),
get_ui_string("widget.mod.tableheader.weight"),]
self.modifiers = []
self.row_count = 0 # total row count
for zone, stat in self.ms.assignments():
# get all modifier in the tree
for node, idx, modifier in stat.get_modifiers(10):
# each modifier has several values that will be listed in
# different rows in the table
# start_count / end_count are start/end row index for the table
start_count = self.row_count
self.row_count += len(modifier.keys())
end_count = self.row_count
# build the string containing path to the node
parent = node
parent_str = []
for i in range(node.level):
parent_str.append(str(parent.value))
# move up to next parent
parent = parent.parent
# reverse to put root at the beginning
parent_str.reverse()
self.modifiers.append((zone.name, "/".join(parent_str),
start_count, end_count,
idx, modifier, node))
def deleteMSBranch(self, node):
""" delete selected node and children from mapping scheme tree """
self.ui.statusbar.showMessage(
get_ui_string("app.status.ms.processing"))
self.project.ms.delete_branch(node)
self.visualizeMappingScheme(self.project.ms)
self.ui.statusbar.showMessage(get_ui_string("app.status.ms.modified"))
def loadProj(self):
""" open file dialog to load an existing application """
self.getOpenFileName(self,
get_ui_string("app.window.msg.project.open"),
get_ui_string("app.extension.db"),
self.openProjectFile)
self.ui.statusbar.showMessage(get_ui_string("app.status.project.loaded"))
def closeProject(self):
""" close opened project and update UI elements accordingly """
# adjust UI in application window
self.tab_result.closeAll() # this call must happen first.
# otherwise, it locks temporary GIS files
self.ui.mainTabs.setTabEnabled(self.TAB_DATA, False)
self.ui.mainTabs.setTabEnabled(self.TAB_MS, False)
self.ui.mainTabs.setTabEnabled(self.TAB_MOD, False)
self.ui.mainTabs.setTabEnabled(self.TAB_RESULT, False)
self.showTab(self.TAB_DATA)
# disable menu/menu items
self.ui.actionSave.setEnabled(False)
self.ui.actionSave_as.setEnabled(False)
self.ui.actionMapping_Schemes.setEnabled(False)
self.ui.actionResult.setEnabled(False)
self.ui.actionProcessing_Options.setEnabled(False)
if getattr(self, 'project', None) is not None:
# save existing project is needed
if self.project.require_save:
ans = QMessageBox.question(self,
get_ui_string("app.window.msg.project.not_saved"),
get_ui_string("app.window.msg.project.save_or_not"),
buttons=QMessageBox.Yes|QMessageBox.No,
defaultButton=QMessageBox.Yes)
if ans == QMessageBox.Yes:
self.saveProj()
# adjust UI in tabs
self.tab_datainput.closeProject()
self.tab_ms.clearMappingScheme()
self.tab_mod.closeMappingScheme()
self.project.clean_up()
del self.project
self.project = None
def setProcessingOptions(self):
if self.project is None:
return
# set options to be those defined in project
self.proc_options.resetOptions()
for attribute in dir(self.proc_options):
try:
proc_attribute = self.project.operator_options['proc.%s'%attribute]
setattr(self.proc_options, attribute, proc_attribute)
except:
# for empty project, this is the first time proc.options is set
# just use default from proc_option dialogbox
pass
if self.proc_options.exec_() == QDialog.Accepted:
for attribute in dir(self.proc_options):
self.project.operator_options['proc.%s'%attribute] = getattr(self.proc_options, attribute)
# alert user
answer = QMessageBox.question(self,
get_ui_string("app.confirm.title"),
get_ui_string("app.confirm.build.exposure"),
buttons = QMessageBox.No | QMessageBox.Yes,
defaultButton=QMessageBox.No)
if answer == QMessageBox.No:
return
self.buildExposure()
def appendMSBranch(self, node, branch):
""" append a branch (from library) to a node in a mapping scheme tree """
self.ui.statusbar.showMessage(
get_ui_string("app.status.ms.processing"))
self.project.ms.append_branch(node, branch)
self.visualizeMappingScheme(self.project.ms)
self.ui.statusbar.showMessage(get_ui_string("app.status.ms.modified"))
def createEmptyMS(self):
""" build an empty mapping scheme tree for user to manipulate manually """
self.ui.statusbar.showMessage(get_ui_string("app.status.ms.processing"))
# invoke asynchronously
invoke_async(get_ui_string("app.status.processing"), self.project.create_empty_ms)
self.visualizeMappingScheme(self.project.ms)
self.ui.statusbar.showMessage(get_ui_string("app.status.ms.created"))
def exportResults(self, export_format, export_path):
""" export mapping scheme leaves as CSV """
self.ui.statusbar.showMessage(get_ui_string("app.status.exposure.exported"))
# invoke asynchronously
self.project.set_export(export_format, export_path)
invoke_async(get_ui_string("app.status.processing"), self.project.export_data)
self.ui.statusbar.showMessage(get_ui_string("app.status.exposure.exported"))
def setProcessingOptions(self):
if self.project is None:
return
# set options to be those defined in project
self.proc_options.resetOptions()
for attribute in dir(self.proc_options):
try:
proc_attribute = self.project.operator_options['proc.%s' %
attribute]
setattr(self.proc_options, attribute, proc_attribute)
except:
# for empty project, this is the first time proc.options is set
# just use default from proc_option dialogbox
pass
if self.proc_options.exec_() == QDialog.Accepted:
for attribute in dir(self.proc_options):
self.project.operator_options['proc.%s' % attribute] = getattr(
self.proc_options, attribute)
# alert user
answer = QMessageBox.question(
self,
get_ui_string("app.confirm.title"),
get_ui_string("app.confirm.build.exposure"),
buttons=QMessageBox.No | QMessageBox.Yes,
defaultButton=QMessageBox.No)
if answer == QMessageBox.No:
return
self.buildExposure()
def loadMS(self, path):
self.ui.statusbar.showMessage(
get_ui_string("app.status.ms.processing"))
# invoke asynchronously
invoke_async(get_ui_string("app.status.processing"),
self.project.load_ms, path)
self.visualizeMappingScheme(self.project.ms)
self.ui.statusbar.showMessage(get_ui_string("app.status.ms.created"))
def loadProj(self):
""" open file dialog to load an existing application """
self.getOpenFileName(self,
get_ui_string("app.window.msg.project.open"),
get_ui_string("app.extension.db"),
self.openProjectFile)
self.ui.statusbar.showMessage(
get_ui_string("app.status.project.loaded"))
def exportMS(self, path, format):
""" export mapping scheme leaves as CSV """
self.ui.statusbar.showMessage(
get_ui_string("app.status.ms.processing"))
# invoke asynchronously
invoke_async(get_ui_string("app.status.processing"),
self.project.export_ms, path, format)
self.ui.statusbar.showMessage(get_ui_string("app.status.ms.exported"))
def createEmptyMS(self):
""" build an empty mapping scheme tree for user to manipulate manually """
self.ui.statusbar.showMessage(
get_ui_string("app.status.ms.processing"))
# invoke asynchronously
invoke_async(get_ui_string("app.status.processing"),
self.project.create_empty_ms)
self.visualizeMappingScheme(self.project.ms)
self.ui.statusbar.showMessage(get_ui_string("app.status.ms.created"))
def exportResults(self, export_format, export_path):
""" export mapping scheme leaves as CSV """
self.ui.statusbar.showMessage(
get_ui_string("app.status.exposure.exported"))
# invoke asynchronously
self.project.set_export(export_format, export_path)
invoke_async(get_ui_string("app.status.processing"),
self.project.export_data)
self.ui.statusbar.showMessage(
get_ui_string("app.status.exposure.exported"))
def buildMappingScheme(self):
""" build mapping scheme with given data """
self.ui.statusbar.showMessage(get_ui_string("app.status.ms.processing"))
# invoke asynchronously
try:
invoke_async(get_ui_string("app.status.processing"), self.project.build_ms)
except SIDDException as err:
# different error message used in this case
raise SIDDUIException(get_ui_string('project.error.sampling', str(err)))
self.visualizeMappingScheme(self.project.ms)
self.ui.statusbar.showMessage(get_ui_string("app.status.ms.created"))
def saveProjAs(self):
if self.project is None:
return
filename = QFileDialog.getSaveFileName(
self, get_ui_string("app.window.msg.project.create"),
get_app_dir(), get_ui_string("app.extension.db"))
# no need to check for file overwrite, because QFileDialog return always confirmed overwrite
if not filename.isNull():
filename = str(filename)
self.project.set_project_path(filename)
self.project.sync(SyncModes.Write)
self.saveLastOpenDir(filename[0:filename.rfind("/")])
self.ui.statusbar.showMessage(
get_ui_string("app.status.project.saved"))
def saveProjAs(self):
if self.project is None:
return
filename = QFileDialog.getSaveFileName(self,
get_ui_string("app.window.msg.project.create"),
get_app_dir(),
get_ui_string("app.extension.db"))
# no need to check for file overwrite, because QFileDialog return always confirmed overwrite
if not filename.isNull():
filename = str(filename)
self.project.set_project_path(filename)
self.project.sync(SyncModes.Write)
self.saveLastOpenDir(filename[0:filename.rfind("/")])
self.ui.statusbar.showMessage(get_ui_string("app.status.project.saved"))
def showVerificationResults(self):
"""
show the result of data verification
"""
NO_KEY = ":/imgs/icons/no.png"
YES_KEY = ":/imgs/icons/yes.png"
project = self.project #
if project is None or project.fp_type == FootprintTypes.None:
self.ui.img_lb_verify_fp.setPixmap(QPixmap(NO_KEY))
else:
self.ui.img_lb_verify_fp.setPixmap(QPixmap(YES_KEY))
if project is None or project.survey_type == SurveyTypes.None:
self.ui.img_lb_verify_svy.setPixmap(QPixmap(NO_KEY))
else:
self.ui.img_lb_verify_svy.setPixmap(QPixmap(YES_KEY))
if project is None or project.zone_type == ZonesTypes.None:
self.ui.img_lb_verify_zones.setPixmap(QPixmap(NO_KEY))
else:
self.ui.img_lb_verify_zones.setPixmap(QPixmap(YES_KEY))
if project is None or project.popgrid_type == PopGridTypes.None:
self.ui.img_lb_verify_pop.setPixmap(QPixmap(NO_KEY))
else:
self.ui.img_lb_verify_pop.setPixmap(QPixmap(YES_KEY))
if project is None or project.output_type == OutputTypes.Grid:
self.ui.img_lb_verify_agg_grid.setPixmap(QPixmap(YES_KEY))
self.ui.img_lb_verify_agg_zone.setPixmap(QPixmap(NO_KEY))
else:
self.ui.img_lb_verify_agg_zone.setPixmap(QPixmap(YES_KEY))
self.ui.img_lb_verify_agg_grid.setPixmap(QPixmap(NO_KEY))
if project is None:
self.ui.txt_verify_text.setText('')
elif project.status == ProjectStatus.ReadyForExposure:
self.ui.txt_verify_text.setText(get_ui_string('widget.input.verify.sucess'))
elif project.status == ProjectStatus.ReadyForMS:
self.ui.txt_verify_text.setText(get_ui_string('widget.input.verify.datarequired'))
# append error messages
for err in project.errors:
errMsg = get_ui_string('project.error.%s' % str(err))
if errMsg == '':
errMsg = get_ui_string('widget.input.verify.unknownerror')
self.ui.txt_verify_text.append('-%s' % errMsg)
else: #project.status == ProjectStatus.NotVerified:
self.ui.txt_verify_text.setText(get_ui_string('widget.input.verify.noaction'))
def buildMappingScheme(self):
""" build mapping scheme with given data """
self.ui.statusbar.showMessage(
get_ui_string("app.status.ms.processing"))
# invoke asynchronously
try:
invoke_async(get_ui_string("app.status.processing"),
self.project.build_ms)
except SIDDException as err:
# different error message used in this case
raise SIDDUIException(
get_ui_string('project.error.sampling', str(err)))
self.visualizeMappingScheme(self.project.ms)
self.ui.statusbar.showMessage(get_ui_string("app.status.ms.created"))
def __init__(self, values, weights, parser, valid_codes, is_editable=[True, True]):
""" constructor """
super(MSLevelTableModel, self).__init__()
# table header
self.headers = [
get_ui_string('dlg.msbranch.edit.tableheader.value'),
get_ui_string('dlg.msbranch.edit.tableheader.weight'),
'Value', 'Weight (%)'
]
self.parser=parser
self.valid_codes=valid_codes
self.values, self.weights = self.do_sort(values, weights)
self.is_editable = is_editable
self.editable_indices = {}
def __init__(self, values, weights, parser, valid_codes, is_editable=[True, True]):
""" constructor """
super(MSLevelTableModel, self).__init__()
# table header
self.headers = [
get_ui_string("dlg.msbranch.edit.tableheader.value"),
get_ui_string("dlg.msbranch.edit.tableheader.weight"),
"Value",
"Weight (%)",
]
self.parser = parser
self.valid_codes = valid_codes
self.values, self.weights = self.do_sort(values, weights)
self.is_editable = is_editable
self.editable_indices = {}
def editModifier(self):
""" edit selected modifier """
mod = self.getSelectedModifier()
# make sure there is mod selected
if mod is None:
logUICall.log(get_ui_string("widget.ms.warning.node.required"),
logUICall.WARNING)
return
# show edit dialog box for selected modifier
self.dlgEditMod.setNode(self.ms, mod)
ans = self.dlgEditMod.exec_()
# accepted means apply change
if ans == QDialog.Accepted:
# NOTE: dlgEditMod already should have performed all the checks on
# values/weights pair, we can safely assume that data is clean
# to be used
#[zone_name, bldg_type, startIdx, endIdx, modidx, modifier, node] = mod
if self.dlgEditMod.node is not None:
modifier = StatisticModifier(self.dlgEditMod.modifier_name)
for value, weight in map(None, self.dlgEditMod.values,
self.dlgEditMod.weights):
modifier.values[value] = weight
self.dlgEditMod.node.set_modifier(self.dlgEditMod.modidx,
modifier)
self.app.visualizeMappingScheme(self.ms)
def createWizard(self):
try:
# should not update preview while using wizard
self.setVisible(False)
self.previewInput = False
wizard = WidgetDataWizard(self,
Project(self.app_config, self.taxonomy))
if wizard.exec_() == QDialog.Accepted:
# setProject makes call to GIS component that requires visibility
self.setVisible(True)
self.previewInput = True
self.setProject(wizard.project)
self.ui.statusbar.showMessage(
get_ui_string("app.status.project.created"))
# else
# do nothing?
except:
pass
finally:
# return to normal window
# these calls are reached
# 1. in case any exception occurs,
# 2. wizard finished or cancelled
self.setVisible(True)
self.previewInput = True
def verifyData(self, item):
"""
callback at each table value update. two checks
- value is integer
- range is valid with new value
"""
item_val = item.data(Qt.DisplayRole)
if item_val == QVariant('None'):
return
int_val = item_val.toInt()
row, col = item.row(), item.column()
if int_val[1]: # is integer
# set value
self.range_values[col][row] = int_val[0]
# allow set range only if is valid
range_is_valid = False
try:
range_is_valid = self.is_range_valid()
except SIDDRangeGroupException as err:
# error means not valid
self.ui.lb_notes.setText(err.message)
except Exception as err:
# error means not valid
self.ui.lb_notes.setText(err.message)
self.ui.buttons.button(QDialogButtonBox.Ok).setEnabled(range_is_valid)
else:
# not integer
# restore
logUICall.log(get_ui_string('dlg.attr.value.error'), logUICall.WARNING)
self.ui.table_ranges.setItem(row, col, QTableWidgetItem('%s'%self.range_values[col][row]))
def createBlank(self):
""" create a new project """
# create new project file
project = Project(self.app_config, self.taxonomy)
# open project and sync UI
self.setProject(project, skipVerify=True)
self.ui.statusbar.showMessage(get_ui_string("app.status.project.created"))
def mapEditTheme(self):
""" event handler for btn_edit - identify item on map """
cur_layer_name = self.ui.cb_layer_selector.currentText()
if cur_layer_name.isEmpty():
return
try:
cur_layer_idx = self.LAYER_NAMES.index(cur_layer_name)
# build layer render property Dialog for selected layer
dlg_render = QDialog()
dlg_render.setWindowTitle(get_ui_string('widget.result.renderer.settings'))
dlg_render.setModal(True)
dlg_render.setFixedSize(530, 370)
dlg_render.renderer = QgsRendererV2PropertiesDialog(self.map_layers[cur_layer_idx], self.style, True)
dlg_render.renderer.setParent(dlg_render)
dlg_render.renderer.setGeometry(QRect(10, 10, 510, 325))
dlg_render.buttonBox = QDialogButtonBox(dlg_render)
dlg_render.buttonBox.setGeometry(QRect(10, 335, 510, 25))
dlg_render.buttonBox.setStandardButtons(QDialogButtonBox.Cancel|QDialogButtonBox.Ok)
dlg_render.buttonBox.accepted.connect(dlg_render.accept)
dlg_render.buttonBox.accepted.connect(dlg_render.renderer.onOK)
dlg_render.buttonBox.rejected.connect(dlg_render.reject)
dlg_render.setVisible(True)
# get user input and update renderer
answer = dlg_render.exec_()
if answer == QDialog.Accepted:
self.map_layer_renderer[cur_layer_idx] = None
self.map_layer_renderer[cur_layer_idx] = self.map_layers[cur_layer_idx].rendererV2().clone()
self.canvas.refresh()
dlg_render.destroy()
del dlg_render
except Exception as err:
# thematic is not-critical, allow continue on exception
logUICall.log(str(err), logUICall.WARNING)
def wrapper(*args, **kw):
self.main_window.setEnabled(False)
try:
logUICall.log('function call %s from module %s' % (f.__name__, f.__module__), logUICall.DEBUG)
return f(*args, **kw)
except SIDDUIException as uie:
logUICall.log(uie, logUICall.WARNING)
self.main_window.ui.statusbar.showMessage(get_ui_string('app.error.ui'))
except SIDDException as se:
logUICall.log(se, logUICall.WARNING)
self.main_window.ui.statusbar.showMessage(get_ui_string('app.error.model'))
except Exception as e:
logUICall.log(e, logUICall.ERROR)
self.main_window.ui.statusbar.showMessage(get_ui_string('app.error.unexpected'))
finally:
self.main_window.setEnabled(True)
def setModelData(self, editor, model, index):
existing_values = index.model().values
code = self.valid_codes[str(editor.currentText())]
if self.allow_repeats:
model.setData(index, QVariant(code), Qt.EditRole)
else:
try:
existing_values.index(code)
# check to see if it is the same one
if index.data().toString() != code:
# not the same one, show warning
QMessageBox.warning(None,
get_ui_string("app.warning.title"),
get_ui_string("dlg.msbranch.error.attribute.exists", (code)))
except:
# code not in existing values list
model.setData(index, QVariant(code), Qt.EditRole)
def createBlank(self):
""" create a new project """
# create new project file
project = Project(self.app_config, self.taxonomy)
# open project and sync UI
self.setProject(project, skipVerify=True)
self.ui.statusbar.showMessage(
get_ui_string("app.status.project.created"))
def wrapper(*args, **kw):
if self.project_is_required and self.project is None:
logUICall.log(get_ui_string("app.error.project.missing"), logUICall.ERROR)
return
try:
logUICall.log('function call %s from module %s' % (f.__name__, f.__module__), logUICall.DEBUG)
return f(*args, **kw)
except Exception as err:
logUICall.log(err, logUICall.ERROR)
def selectExportFile(self):
"""
event handler for btn_export_select_path
- open save file dialog box to select file name for export
"""
filename = QFileDialog.getSaveFileName(self,
get_ui_string("widget.result.export.file.open"),
".",
self.ui.cb_export_format.currentText())
if not filename.isNull():
def deleteModifier(self):
""" delete selected modifier from mapping scheme. update table view """
mod = self.getSelectedModifier()
# make sure there is mod selected
if mod is None:
logUICall.log(get_ui_string("widget.ms.warning.node.required"), logUICall.WARNING)
return
# confirm delete
answer = QMessageBox.warning(self,
get_ui_string("app.confirm.title"),
get_ui_string("widget.mod.warning.delete"),
QMessageBox.Yes | QMessageBox.No)
if answer == QMessageBox.Yes:
# see MSTableModel about data in mod variable
modidx, src_node = mod[4], mod[6]
if src_node is not None:
# remove modifier
src_node.remove_modifier(modidx)
self.app.visualizeMappingScheme(self.ms)
def is_range_valid(self):
is_valid = True
self.ui.lb_notes.setText("")
for i in range(len(self.range_values[0])):
# minimum must be less than maximum in same row
max_val = self.range_values[1][i]
min_val = self.range_values[0][i]
is_valid = (min_val <= max_val)
if not is_valid:
# use exception to stop additional checks
raise SIDDRangeGroupException(get_ui_string("dlg.attr.error.max", (max_val, min_val)))
# and minimum must be exactly 1 larger than maximum from previous row
if i > 0: # first row does not have previous
max_last = self.range_values[1][i-1]
is_valid = (min_val == max_last+1)
if not is_valid:
# use exception to stop additional checks
raise SIDDRangeGroupException(get_ui_string("dlg.attr.error.range", (max_last, min_val)))
return is_valid
def verifyInputs(self):
""" perform checks on current dataset provided and update UI accordingly """
# remove result
self.tab_result.closeResult()
# verify current dataset
self.ui.statusbar.showMessage(get_ui_string("app.status.ms.processing"))
# invoke asynchronously
invoke_async(get_ui_string("app.status.processing"), self.project.verify_data)
self.tab_datainput.showVerificationResults()
# always allow mapping scheme
self.ui.mainTabs.setTabEnabled(self.TAB_MS, True)
self.ui.mainTabs.setTabEnabled(self.TAB_MOD, True)
self.ui.actionMapping_Schemes.setEnabled(True)
self.ui.actionResult.setEnabled(True)
self.ui.actionProcessing_Options.setEnabled(True)
self.ui.statusbar.showMessage(get_ui_string("app.status.input.verified"))
def selectExportFile(self):
"""
event handler for btn_export_select_path
- open save file dialog box to select file name for export
"""
filename = QFileDialog.getSaveFileName(
self, get_ui_string("widget.result.export.file.open"), ".",
self.ui.cb_export_format.currentText())
if not filename.isNull():
self.ui.txt_export_select_path.setText(filename)
def saveProj(self):
""" save active project """
if self.project is None:
return
try:
self.project.sync(SyncModes.Write)
self.ui.statusbar.showMessage(get_ui_string("app.status.project.saved"))
except SIDDProjectException as se:
if se.error == ProjectErrors.FileNotSet:
self.saveProjAs()
@pyqtSlot()
def exportData(self):
"""
event handler for btn_export
- do export data
"""
export_path = str(self.ui.txt_export_select_path.text())
if export_path == "":
logUICall.log(get_ui_string("app.error.path.is.null"), logUICall.WARNING)
return
@pyqtSlot(QPoint, QObject)
def showInfo(self, point, mouseButton):
"""
event handler for toolInfo
@see QGIS tutorial for detail
point-polygon search on currently selected layer
"""
cur_layer_name = self.ui.cb_layer_selector.currentText()
if cur_layer_name.isEmpty():
return
try:
cur_layer_idx = self.LAYER_NAMES.index(cur_layer_name)
cur_layer = self.map_layers[cur_layer_idx]
# if layer is not in same projection as map canvas
# need to project query point
if cur_layer.crs() != self.canvas.mapRenderer().destinationCrs():
transform = QgsCoordinateTransform(self.canvas.mapRenderer().destinationCrs(), cur_layer.crs())
point = transform.transform(point)
# do query
provider = cur_layer.dataProvider()
provider.rewind()
feature = QgsFeature()
colonIndexes = provider.attributeIndexes()
# search using point as center of rectangle polygon
search_buffer_x = self.canvas.extent().width() * self.SEARCH_BUFFER / self.canvas.width()
search_buffer_y = self.canvas.extent().height() * self.SEARCH_BUFFER / self.canvas.height()
provider.select(colonIndexes,
QgsRectangle(point.x()-search_buffer_x,
point.y()-search_buffer_y,
point.x()+search_buffer_x,
point.y()+search_buffer_y),
True)
# get selected and display in result detail dialog box
selected = []
while provider.nextFeature(feature):
# for polygons, only show geometry containing query point
if cur_layer.geometryType() == QGis.Polygon:
if feature.geometry() is not None and not feature.geometry().contains (point):
continue
selected.append(feature.attributeMap())
if len(selected)>0:
# display result if exists
if cur_layer_idx == self.EXPOSURE:
self.dlgResultDetail.showExposureData(provider.fields(), selected)
else:
self.dlgResultDetail.showInfoData(provider.fields(), selected)
self.dlgResultDetail.exec_()
else:
logUICall.log(get_ui_string("widget.result.info.notfound"), logUICall.WARNING)
except Exception as err:
# point-in-polygon search is not critical, continue on error
def saveProj(self):
""" save active project """
if self.project is None:
return
try:
self.project.sync(SyncModes.Write)
self.ui.statusbar.showMessage(
get_ui_string("app.status.project.saved"))
except SIDDProjectException as se:
if se.error == ProjectErrors.FileNotSet:
self.saveProjAs()
def exportData(self):
"""
event handler for btn_export
- do export data
"""
export_path = str(self.ui.txt_export_select_path.text())
if export_path == "":
logUICall.log(get_ui_string("app.error.path.is.null"),
logUICall.WARNING)
return
self.app.exportResults(self.export_format, export_path)
def deleteModifier(self):
""" delete selected modifier from mapping scheme. update table view """
mod = self.getSelectedModifier()
# make sure there is mod selected
if mod is None:
logUICall.log(get_ui_string("widget.ms.warning.node.required"),
logUICall.WARNING)
return
# confirm delete
answer = QMessageBox.warning(
self, get_ui_string("app.confirm.title"),
get_ui_string("widget.mod.warning.delete"),
QMessageBox.Yes | QMessageBox.No)
if answer == QMessageBox.Yes:
# see MSTableModel about data in mod variable
modidx, src_node = mod[4], mod[6]
if src_node is not None:
# remove modifier
src_node.remove_modifier(modidx)
self.app.visualizeMappingScheme(self.ms)
def wrapper(*args, **kw):
self.main_window.setEnabled(False)
try:
logUICall.log(
'function call %s from module %s' %
(f.__name__, f.__module__), logUICall.DEBUG)
return f(*args, **kw)
except SIDDUIException as uie:
logUICall.log(uie, logUICall.WARNING)
self.main_window.ui.statusbar.showMessage(
get_ui_string('app.error.ui'))
except SIDDException as se:
logUICall.log(se, logUICall.WARNING)
self.main_window.ui.statusbar.showMessage(
get_ui_string('app.error.model'))
except Exception as e:
logUICall.log(e, logUICall.ERROR)
self.main_window.ui.statusbar.showMessage(
get_ui_string('app.error.unexpected'))
finally:
self.main_window.setEnabled(True)
def setMS(self, ms, isBranch=False):
"""
set mapping scheme to be saved
set mapping scheme type as 'single-level' if isBranch=True
set to 'multi-level' otherwise
"""
self.ms_to_save = ms
self.ui.tree_ms_view.setModel(MSTreeModel(ms))
self.ui.tree_ms_view.setSelectionMode(QAbstractItemView.NoSelection)
self.ui.txt_ms_create_date.setText(datetime.now().strftime("%Y-%m-%d %H:%M"))
self.ui.txt_ms_create_date.setReadOnly(True)
if isBranch:
self.ui.lb_title.setText(get_ui_string("dlg.savems.title.branch"))
self.ui.txt_ms_type.setText(get_ui_string("app.mslibrary.user.singlelevel"))
else:
self.ui.lb_title.setText(get_ui_string("dlg.savems.title.tree"))
self.ui.txt_ms_type.setText(get_ui_string("app.mslibrary.user.multilevel"))
self.ui.txt_ms_type.setReadOnly(True)
def setData(self, index, value, role):
""" set data modified by cell edit """
if role == Qt.EditRole:
if (index.column() == 0):
# first column, change value
taxStr = str(value.toString())
# make sure there is no repeat
try:
self.values.index(taxStr)
# no error means taxStr already in self.value
found = True
except:
found = False
if found:
raise SIDDException(get_ui_string("dlg.msbranch.error.attribute.exists") % taxStr)
# do nothing for empty string
if taxStr == "":
return False
# verify taxonomy
# passed all checks. set value
self.values[index.row()] = taxStr
else:
# second column, change weight
(dVal, sucess) = value.toDouble()
# conversion to double failed
if not sucess:
raise SIDDException(get_ui_string("dlg.msbranch.edit.warning.invalidweight"))
# make sure 0 <= dVal <= 100
if dVal < 0 or dVal > 100:
raise SIDDException(get_ui_string("dlg.msbranch.edit.warning.invalidweight"))
# passed all checks. set value
self.weights[index.row()] = round(dVal, 1)
self.dataChanged.emit(self.createIndex(0, 0), self.createIndex(self.rowCount(0),self.columnCount(0)))
return True
return False
def setData(self, index, value, role):
""" set data modified by cell edit """
if role == Qt.EditRole:
if index.column() == 0:
# first column, change value
taxStr = str(value.toString())
# make sure there is no repeat
try:
self.values.index(taxStr)
# no error means taxStr already in self.value
found = True
except:
found = False
if found:
raise SIDDException(get_ui_string("dlg.msbranch.error.attribute.exists") % taxStr)
# do nothing for empty string
if taxStr == "":
return False
# verify taxonomy
# passed all checks. set value
self.values[index.row()] = taxStr
else:
# second column, change weight
(dVal, sucess) = value.toDouble()
# conversion to double failed
if not sucess:
raise SIDDException(get_ui_string("dlg.msbranch.edit.warning.invalidweight"))
# make sure 0 <= dVal <= 100
if dVal < 0 or dVal > 100:
raise SIDDException(get_ui_string("dlg.msbranch.edit.warning.invalidweight"))
# passed all checks. set value
self.weights[index.row()] = round(dVal, 1)
self.dataChanged.emit(self.createIndex(0, 0), self.createIndex(self.rowCount(0), self.columnCount(0)))
return True
return False
def verifyInputs(self):
""" perform checks on current dataset provided and update UI accordingly """
# remove result
self.tab_result.closeResult()
# verify current dataset
self.ui.statusbar.showMessage(
get_ui_string("app.status.ms.processing"))
# invoke asynchronously
invoke_async(get_ui_string("app.status.processing"),
self.project.verify_data)
self.tab_datainput.showVerificationResults()
# always allow mapping scheme
self.ui.mainTabs.setTabEnabled(self.TAB_MS, True)
self.ui.mainTabs.setTabEnabled(self.TAB_MOD, True)
self.ui.actionMapping_Schemes.setEnabled(True)
self.ui.actionResult.setEnabled(True)
self.ui.actionProcessing_Options.setEnabled(True)
self.ui.statusbar.showMessage(
get_ui_string("app.status.input.verified"))
def closeProject(self):
""" close opened project and update UI elements accordingly """
# adjust UI in application window
self.tab_result.closeAll() # this call must happen first.
# otherwise, it locks temporary GIS files
self.ui.mainTabs.setTabEnabled(self.TAB_DATA, False)
self.ui.mainTabs.setTabEnabled(self.TAB_MS, False)
self.ui.mainTabs.setTabEnabled(self.TAB_MOD, False)
self.ui.mainTabs.setTabEnabled(self.TAB_RESULT, False)
self.showTab(self.TAB_DATA)
# disable menu/menu items
self.ui.actionSave.setEnabled(False)
self.ui.actionSave_as.setEnabled(False)
self.ui.actionMapping_Schemes.setEnabled(False)
self.ui.actionResult.setEnabled(False)
self.ui.actionProcessing_Options.setEnabled(False)
if getattr(self, 'project', None) is not None:
# save existing project is needed
if self.project.require_save:
ans = QMessageBox.question(
self,
get_ui_string("app.window.msg.project.not_saved"),
get_ui_string("app.window.msg.project.save_or_not"),
buttons=QMessageBox.Yes | QMessageBox.No,
defaultButton=QMessageBox.Yes)
if ans == QMessageBox.Yes:
self.saveProj()
# adjust UI in tabs
self.tab_datainput.closeProject()
self.tab_ms.clearMappingScheme()
self.tab_mod.closeMappingScheme()
self.project.clean_up()
del self.project
self.project = None
def setMS(self, ms, isBranch=False):
"""
set mapping scheme to be saved
set mapping scheme type as 'single-level' if isBranch=True
set to 'multi-level' otherwise
"""
self.ms_to_save = ms
self.ui.tree_ms_view.setModel(MSTreeModel(ms))
self.ui.tree_ms_view.setSelectionMode(QAbstractItemView.NoSelection)
self.ui.txt_ms_create_date.setText(
datetime.now().strftime("%Y-%m-%d %H:%M"))
self.ui.txt_ms_create_date.setReadOnly(True)
if isBranch:
self.ui.lb_title.setText(get_ui_string("dlg.savems.title.branch"))
self.ui.txt_ms_type.setText(
get_ui_string("app.mslibrary.user.singlelevel"))
else:
self.ui.lb_title.setText(get_ui_string("dlg.savems.title.tree"))
self.ui.txt_ms_type.setText(
get_ui_string("app.mslibrary.user.multilevel"))
self.ui.txt_ms_type.setReadOnly(True)
def searchFeature(self):
cur_layer_name = self.ui.cb_layer_selector.currentText()
if cur_layer_name.isEmpty():
return
try:
cur_layer_idx = self.LAYER_NAMES.index(cur_layer_name)
layer = self.map_layers[cur_layer_idx]
fields = []
for fidx in layer.dataProvider().fields():
fields.append(layer.dataProvider().fields()[fidx].name())
dlg_search = DialogSearchFeature(fields)
answer = dlg_search.exec_()
if answer == QDialog.Accepted:
extent = self.findFeatureExtentByAttribute(layer, dlg_search.attribute, dlg_search.value)
if extent is not None:
self.zoomToExtent(extent)
else:
logUICall.log(get_ui_string("widget.result.info.notfound"), logUICall.WARNING)
dlg_search.destroy()
except Exception as err:
# thematic is not-critical, allow continue on exception
logUICall.log(str(err), logUICall.WARNING)
def mapEditTheme(self):
""" event handler for btn_edit - identify item on map """
cur_layer_name = self.ui.cb_layer_selector.currentText()
if cur_layer_name.isEmpty():
return
try:
cur_layer_idx = self.LAYER_NAMES.index(cur_layer_name)
# build layer render property Dialog for selected layer
dlg_render = QDialog()
dlg_render.setWindowTitle(
get_ui_string('widget.result.renderer.settings'))
dlg_render.setModal(True)
dlg_render.setFixedSize(530, 370)
dlg_render.renderer = QgsRendererV2PropertiesDialog(
self.map_layers[cur_layer_idx], self.style, True)
dlg_render.renderer.setParent(dlg_render)
dlg_render.renderer.setGeometry(QRect(10, 10, 510, 325))
dlg_render.buttonBox = QDialogButtonBox(dlg_render)
dlg_render.buttonBox.setGeometry(QRect(10, 335, 510, 25))
dlg_render.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
| QDialogButtonBox.Ok)
dlg_render.buttonBox.accepted.connect(dlg_render.accept)
dlg_render.buttonBox.accepted.connect(dlg_render.renderer.onOK)
dlg_render.buttonBox.rejected.connect(dlg_render.reject)
dlg_render.setVisible(True)
# get user input and update renderer
answer = dlg_render.exec_()
if answer == QDialog.Accepted:
self.map_layer_renderer[cur_layer_idx] = None
self.map_layer_renderer[cur_layer_idx] = self.map_layers[
cur_layer_idx].rendererV2().clone()
self.canvas.refresh()
dlg_render.destroy()
del dlg_render
except Exception as err:
# thematic is not-critical, allow continue on exception
logUICall.log(str(err), logUICall.WARNING)
def createWizard(self):
try:
# should not update preview while using wizard
self.setVisible(False)
self.previewInput = False
wizard = WidgetDataWizard(self, Project(self.app_config, self.taxonomy))
if wizard.exec_() == QDialog.Accepted:
# setProject makes call to GIS component that requires visibility
self.setVisible(True)
self.previewInput = True
self.setProject(wizard.project)
self.ui.statusbar.showMessage(get_ui_string("app.status.project.created"))
# else
# do nothing?
except:
pass
finally:
# return to normal window
# these calls are reached
# 1. in case any exception occurs,
# 2. wizard finished or cancelled
self.setVisible(True)
self.previewInput = True
def editModifier(self):
""" edit selected modifier """
mod = self.getSelectedModifier()
# make sure there is mod selected
if mod is None:
logUICall.log(get_ui_string("widget.ms.warning.node.required"), logUICall.WARNING)
return
# show edit dialog box for selected modifier
self.dlgEditMod.setNode(self.ms, mod)
ans = self.dlgEditMod.exec_()
# accepted means apply change
if ans == QDialog.Accepted:
# NOTE: dlgEditMod already should have performed all the checks on
# values/weights pair, we can safely assume that data is clean
# to be used
#[zone_name, bldg_type, startIdx, endIdx, modidx, modifier, node] = mod
if self.dlgEditMod.node is not None:
modifier = StatisticModifier(self.dlgEditMod.modifier_name)
for value, weight in map(None, self.dlgEditMod.values, self.dlgEditMod.weights):
modifier.values[value] = weight
self.dlgEditMod.node.set_modifier(self.dlgEditMod.modidx, modifier)
self.app.visualizeMappingScheme(self.ms)
def searchFeature(self):
cur_layer_name = self.ui.cb_layer_selector.currentText()
if cur_layer_name.isEmpty():
return
try:
cur_layer_idx = self.LAYER_NAMES.index(cur_layer_name)
layer = self.map_layers[cur_layer_idx]
fields = []
for fidx in layer.dataProvider().fields():
fields.append(layer.dataProvider().fields()[fidx].name())
dlg_search = DialogSearchFeature(fields)
answer = dlg_search.exec_()
if answer == QDialog.Accepted:
extent = self.findFeatureExtentByAttribute(
layer, dlg_search.attribute, dlg_search.value)
if extent is not None:
self.zoomToExtent(extent)
else:
logUICall.log(get_ui_string("widget.result.info.notfound"),
logUICall.WARNING)
dlg_search.destroy()
except Exception as err:
# thematic is not-critical, allow continue on exception
logUICall.log(str(err), logUICall.WARNING)
def __init__(self, qtapp, app_config):
"""
constructor
- initialize UI elements
- connect UI elements to callback
"""
# create UI
super(AppMainWindow, self).__init__()
AppMainWindow.apiCallChecker.setWindow(self)
self.qtapp = qtapp
self.app_config = app_config
self.taxonomy = get_taxonomy(app_config.get('options', 'taxonomy', 'gem'))
self.ui = Ui_mainWindow()
self.ui.setupUi(self)
self.settings = QSettings(SIDD_COMPANY, '%s %s' %(SIDD_APP_NAME, SIDD_VERSION));
self.restoreGeometry(self.settings.value(self.UI_WINDOW_GEOM).toByteArray());
self.restoreState(self.settings.value(self.UI_WINDOW_STATE).toByteArray());
self.lb_map_location = QLabel(self)
self.lb_map_location.resize(self.ui.statusbar.width()/3, self.ui.statusbar.height())
self.ui.statusbar.addPermanentWidget(self.lb_map_location)
self.msdb_dao = MSDatabaseDAO(FILE_MS_DB)
self.tab_datainput = WidgetDataInput(self)
self.ui.mainTabs.addTab(self.tab_datainput, get_ui_string("app.window.tab.input"))
self.tab_ms = WidgetMappingSchemes(self)
self.ui.mainTabs.addTab(self.tab_ms, get_ui_string("app.window.tab.ms"))
self.tab_mod = WidgetSecondaryModifier(self)
self.ui.mainTabs.addTab(self.tab_mod, get_ui_string("app.window.tab.mod"))
self.tab_result = WidgetResult(self)
self.ui.mainTabs.addTab(self.tab_result, get_ui_string("app.window.tab.result"))
self.previewInput = True
self.about = DialogAbout(self)
self.about.setModal(True)
self.dlgAttrRange = DialogAttrRanges()
self.dlgAttrRange.setModal(True)
self.progress = DialogApply(self)
self.progress.setModal(True)
self.proc_options = DialogProcessingOptions(self)
self.proc_options.setModal(True)
# connect menu action to slots (ui events)
self.ui.mainTabs.currentChanged.connect(self.tabChanged)
self.ui.actionProject_Blank.triggered.connect(self.createBlank)
self.ui.actionUsing_Data_Wizard.triggered.connect(self.createWizard)
self.ui.actionOpen_Existing.triggered.connect(self.loadProj)
self.ui.actionSave.triggered.connect(self.saveProj)
self.ui.actionSave_as.triggered.connect(self.saveProjAs)
self.ui.actionExit.triggered.connect(self.close)
self.ui.actionData_Input.triggered.connect(self.changeTab)
self.ui.actionMapping_Schemes.triggered.connect(self.changeTab)
self.ui.actionResult.triggered.connect(self.changeTab)
self.ui.actionProcessing_Options.triggered.connect(self.setProcessingOptions)
self.ui.actionAbout.triggered.connect(self.showAbout)
# set project to None and adjust ui as needed
self.closeProject()
self.ui.statusbar.showMessage(get_ui_string("app.status.ready"))
# perform clean up from previous runs
try:
delete_folders_in_dir(get_temp_dir(), "tmp*")
except:
# cleanup is not-critical. no action taken even if fails
pass
# hide features
if not app_config.get('options', 'parse_modifier', True, bool):
self.tab_mod.setVisible(False)
self.ui.mainTabs.removeTab(self.TAB_MOD)
self.TAB_MOD = self.TAB_MS
self.TAB_RESULT -= 1
# hide view menu
self.ui.menuView.menuAction().setVisible(False)
# hide data wizard
self.ui.actionUsing_Data_Wizard.setVisible(False)
def buildExposure(self):
""" build exposure """
self.ui.statusbar.showMessage(get_ui_string("app.status.ms.processing"))
# verify current dataset to make sure can process exposure
self.project.verify_data()
# can not proceed if project is not ready for exposure
if self.project.status != ProjectStatus.ReadyForExposure:
logUICall.log(get_ui_string("project.error.NotEnoughData"), logUICall.WARNING)
# show result
self.tab_datainput.showVerificationResults()
self.ui.mainTabs.setCurrentIndex(self.TAB_DATA)
return
# close current results
self.tab_result.closeResult()
self.ui.mainTabs.setTabEnabled(self.TAB_RESULT, True)
# reset progress dialog
self.progress.setVisible(True)
self.progress.ui.pb_progress.setRange(0, self.project.build_exposure_total_steps())
self.progress.ui.txt_progress.clear()
self.progress.ui.txt_progress.appendPlainText(get_ui_string("app.status.processing"))
self.qtapp.processEvents()
cancelled = False
error_occured = False
error_message = ""
curStep = 0
try:
for step in self.project.build_exposure_steps():
if cancelled or error_occured:
break
# use introspection to get operator class
class_name = str(step.__class__)
# result of above call has format
# <class '...'> where ... is the class name of interest
class_name = class_name[class_name.find("'")+1:class_name.rfind("'")]
# update UI
logAPICall.log('\t %s' % step.name, logAPICall.DEBUG)
self.progress.ui.txt_progress.appendPlainText(get_ui_string('message.%s'% class_name))
self.progress.ui.pb_progress.setValue(curStep)
self.qtapp.processEvents()
sleep(0.5)
# perform operation
step.do_operation()
if not self.progress.isVisible():
cancelled = True
# operation successful
curStep+=1
except Exception as err:
# exception are thrown if data is not ready for exposure
error_message = err.message
error_occured = True
self.progress.setVisible(False)
if error_occured:
# processing cancelled
logUICall.log(error_message, logUICall.WARNING)
self.ui.statusbar.showMessage(get_ui_string("app.status.cancelled"))
elif cancelled:
# processing cancelled
logUICall.log(get_ui_string("app.status.cancelled"), logUICall.WARNING)
self.ui.statusbar.showMessage(get_ui_string("app.status.cancelled"))
else:
# processing completed
self.project.verify_result()
self.progress.setVisible(False)
# show result
self.tab_result.refreshResult()
self.ui.mainTabs.setTabEnabled(self.TAB_RESULT, True)
self.ui.mainTabs.setCurrentIndex(self.TAB_RESULT)
self.ui.statusbar.showMessage(get_ui_string("app.status.exposure.created"))
