def setupUi(self):
self.valueItems = {}
self.dependentItems = {}
self.resize(650, 450)
self.buttonBox = QDialogButtonBox()
self.buttonBox.setOrientation(Qt.Horizontal)
self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
| QDialogButtonBox.Ok)
self.infoText = QTextEdit()
numbers = self.getAvailableValuesOfType(ParameterNumber, OutputNumber)
text = self.tr(
'You can refer to model values in your formula, using '
'single-letter variables, as follows:\n',
'CalculatorModelerParametersDialog')
ichar = 97
if numbers:
for number in numbers:
text += chr(ichar) + '->' + self.resolveValueDescription(
number) + '\n'
ichar += 1
else:
text += self.tr('\n - No numerical variables are available.',
'CalculatorModelerParametersDialog')
self.infoText.setText(text)
self.infoText.setEnabled(False)
self.formulaText = QLineEdit()
if hasattr(self.formulaText, 'setPlaceholderText'):
self.formulaText.setPlaceholderText(
self.tr('[Enter your formula here]',
'CalculatorModelerParametersDialog'))
if self._algName is not None:
alg = self.model.algs[self._algName]
self.formulaText.setText(alg.params[FORMULA])
self.setWindowTitle(
self.tr('Calculator', 'CalculatorModelerParametersDialog'))
self.verticalLayout = QVBoxLayout()
self.verticalLayout.setSpacing(2)
self.verticalLayout.setMargin(0)
self.verticalLayout.addWidget(self.infoText)
self.verticalLayout.addWidget(self.formulaText)
self.verticalLayout.addWidget(self.buttonBox)
self.setLayout(self.verticalLayout)
self.buttonBox.accepted.connect(self.okPressed)
self.buttonBox.rejected.connect(self.cancelPressed)
QMetaObject.connectSlotsByName(self)
def widget_dialog(self, widget):
dlg = QDialog()
widget.setParent(dlg)
layout = QVBoxLayout()
layout.addWidget(widget)
layout.setMargin(6)
button_box = QDialogButtonBox(QDialogButtonBox.Close)
button_box.rejected.connect(dlg.close)
layout.addWidget(button_box)
dlg.setLayout(layout)
return dlg
def __init__(self, title, parent=None):
QDialog.__init__(self, parent)
self.setWindowTitle(title)
layout = QVBoxLayout()
self.selector = QgsProjectionSelector(self)
buttonBox = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Close)
layout.addWidget(self.selector)
layout.addWidget(buttonBox)
self.setLayout(layout)
buttonBox.accepted.connect(self.accept)
buttonBox.rejected.connect(self.reject)
def editAuthCfgId(self):
dlg = QDialog(self)
dlg.setWindowModality(Qt.WindowModal)
layout = QVBoxLayout()
selector = QgsAuthConfigSelect(self)
if self.editAuthCfg.text():
selector.setConfigId(self.editAuthCfg.text())
layout.addWidget(selector)
buttonBox = QDialogButtonBox(QDialogButtonBox.Ok
| QDialogButtonBox.Close)
buttonBox.accepted.connect(dlg.accept)
buttonBox.rejected.connect(dlg.reject)
layout.addWidget(buttonBox)
dlg.setLayout(layout)
if dlg.exec_():
self.editAuthCfg.setText(selector.configId())
del dlg
def setupUi(self):
self.valueItems = {}
self.dependentItems = {}
self.resize(650, 450)
self.buttonBox = QDialogButtonBox()
self.buttonBox.setOrientation(Qt.Horizontal)
self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
| QDialogButtonBox.Ok)
self.infoText = QTextEdit()
numbers = self.getAvailableValuesOfType(ParameterNumber, OutputNumber)
text = self.tr('You can refer to model values in your formula, using '
'single-letter variables, as follows:\n', 'CalculatorModelerParametersDialog')
ichar = 97
if numbers:
for number in numbers:
text += chr(ichar) + '->' + self.resolveValueDescription(number) + '\n'
ichar += 1
else:
text += self.tr('\n - No numerical variables are available.', 'CalculatorModelerParametersDialog')
self.infoText.setText(text)
self.infoText.setEnabled(False)
self.formulaText = QLineEdit()
if hasattr(self.formulaText, 'setPlaceholderText'):
self.formulaText.setPlaceholderText(self.tr('[Enter your formula here]', 'CalculatorModelerParametersDialog'))
if self._algName is not None:
alg = self.model.algs[self._algName]
self.formulaText.setText(alg.params[FORMULA])
self.setWindowTitle(self.tr('Calculator', 'CalculatorModelerParametersDialog'))
self.verticalLayout = QVBoxLayout()
self.verticalLayout.setSpacing(2)
self.verticalLayout.setMargin(0)
self.verticalLayout.addWidget(self.infoText)
self.verticalLayout.addWidget(self.formulaText)
self.verticalLayout.addWidget(self.buttonBox)
self.setLayout(self.verticalLayout)
self.buttonBox.accepted.connect(self.okPressed)
self.buttonBox.rejected.connect(self.cancelPressed)
QMetaObject.connectSlotsByName(self)
def setupUi(self):
self.labels = {}
self.widgets = {}
self.checkBoxes = {}
self.showAdvanced = False
self.valueItems = {}
self.dependentItems = {}
self.resize(650, 450)
self.buttonBox = QDialogButtonBox()
self.buttonBox.setOrientation(Qt.Horizontal)
self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
| QDialogButtonBox.Ok)
tooltips = self._alg.getParameterDescriptions()
self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
self.verticalLayout = QVBoxLayout()
self.verticalLayout.setSpacing(5)
self.verticalLayout.setMargin(20)
hLayout = QHBoxLayout()
hLayout.setSpacing(5)
hLayout.setMargin(0)
descriptionLabel = QLabel(self.tr("Description"))
self.descriptionBox = QLineEdit()
self.descriptionBox.setText(self._alg.name)
hLayout.addWidget(descriptionLabel)
hLayout.addWidget(self.descriptionBox)
self.verticalLayout.addLayout(hLayout)
line = QFrame()
line.setFrameShape(QFrame.HLine)
line.setFrameShadow(QFrame.Sunken)
self.verticalLayout.addWidget(line)
for param in self._alg.parameters:
if param.isAdvanced:
self.advancedButton = QPushButton()
self.advancedButton.setText(
self.tr('Show advanced parameters'))
self.advancedButton.clicked.connect(
self.showAdvancedParametersClicked)
advancedButtonHLayout = QHBoxLayout()
advancedButtonHLayout.addWidget(self.advancedButton)
advancedButtonHLayout.addStretch()
self.verticalLayout.addLayout(advancedButtonHLayout)
break
for param in self._alg.parameters:
if param.hidden:
continue
desc = param.description
if isinstance(param, ParameterExtent):
desc += self.tr('(xmin, xmax, ymin, ymax)')
if isinstance(param, ParameterPoint):
desc += self.tr('(x, y)')
label = QLabel(desc)
self.labels[param.name] = label
widget = self.getWidgetFromParameter(param)
self.valueItems[param.name] = widget
if param.name in tooltips.keys():
tooltip = tooltips[param.name]
else:
tooltip = param.description
label.setToolTip(tooltip)
widget.setToolTip(tooltip)
if param.isAdvanced:
label.setVisible(self.showAdvanced)
widget.setVisible(self.showAdvanced)
self.widgets[param.name] = widget
self.verticalLayout.addWidget(label)
self.verticalLayout.addWidget(widget)
for output in self._alg.outputs:
if output.hidden:
continue
if isinstance(output, (OutputRaster, OutputVector, OutputTable,
OutputHTML, OutputFile, OutputDirectory)):
label = QLabel(output.description + '<' +
output.__class__.__name__ + '>')
item = QLineEdit()
if hasattr(item, 'setPlaceholderText'):
item.setPlaceholderText(ModelerParametersDialog.ENTER_NAME)
self.verticalLayout.addWidget(label)
self.verticalLayout.addWidget(item)
self.valueItems[output.name] = item
label = QLabel(' ')
self.verticalLayout.addWidget(label)
label = QLabel(self.tr('Parent algorithms'))
self.dependenciesPanel = self.getDependenciesPanel()
self.verticalLayout.addWidget(label)
self.verticalLayout.addWidget(self.dependenciesPanel)
self.verticalLayout.addStretch(1000)
self.setLayout(self.verticalLayout)
self.setPreviousValues()
self.setWindowTitle(self._alg.name)
self.verticalLayout2 = QVBoxLayout()
self.verticalLayout2.setSpacing(2)
self.verticalLayout2.setMargin(0)
self.tabWidget = QTabWidget()
self.tabWidget.setMinimumWidth(300)
self.paramPanel = QWidget()
self.paramPanel.setLayout(self.verticalLayout)
self.scrollArea = QScrollArea()
self.scrollArea.setWidget(self.paramPanel)
self.scrollArea.setWidgetResizable(True)
self.tabWidget.addTab(self.scrollArea, self.tr('Parameters'))
self.webView = QWebView()
html = None
url = None
isText, help = self._alg.help()
if help is not None:
if isText:
html = help
else:
url = QUrl(help)
else:
html = self.tr('<h2>Sorry, no help is available for this '
'algorithm.</h2>')
try:
if html:
self.webView.setHtml(html)
elif url:
self.webView.load(url)
except:
self.webView.setHtml(
self.tr('<h2>Could not open help file :-( </h2>'))
self.tabWidget.addTab(self.webView, 'Help')
self.verticalLayout2.addWidget(self.tabWidget)
self.verticalLayout2.addWidget(self.buttonBox)
self.setLayout(self.verticalLayout2)
self.buttonBox.accepted.connect(self.okPressed)
self.buttonBox.rejected.connect(self.cancelPressed)
QMetaObject.connectSlotsByName(self)
class ModelerParametersDialog(QDialog):
ENTER_NAME = '[Enter name if this is a final result]'
NOT_SELECTED = '[Not selected]'
USE_MIN_COVERING_EXTENT = '[Use min covering extent]'
def __init__(self, alg, model, algName=None):
QDialog.__init__(self)
self.setModal(True)
#The algorithm to define in this dialog. It is an instance of GeoAlgorithm
self._alg = alg
#The resulting algorithm after the user clicks on OK. it is an instance of the container Algorithm class
self.alg = None
#The model this algorithm is going to be added to
self.model = model
#The name of the algorithm in the model, in case we are editing it and not defining it for the first time
self._algName = algName
self.setupUi()
self.params = None
def setupUi(self):
self.labels = {}
self.widgets = {}
self.checkBoxes = {}
self.showAdvanced = False
self.valueItems = {}
self.dependentItems = {}
self.resize(650, 450)
self.buttonBox = QDialogButtonBox()
self.buttonBox.setOrientation(Qt.Horizontal)
self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
| QDialogButtonBox.Ok)
tooltips = self._alg.getParameterDescriptions()
self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
self.verticalLayout = QVBoxLayout()
self.verticalLayout.setSpacing(5)
self.verticalLayout.setMargin(20)
hLayout = QHBoxLayout()
hLayout.setSpacing(5)
hLayout.setMargin(0)
descriptionLabel = QLabel(self.tr("Description"))
self.descriptionBox = QLineEdit()
self.descriptionBox.setText(self._alg.name)
hLayout.addWidget(descriptionLabel)
hLayout.addWidget(self.descriptionBox)
self.verticalLayout.addLayout(hLayout)
line = QFrame()
line.setFrameShape(QFrame.HLine)
line.setFrameShadow(QFrame.Sunken)
self.verticalLayout.addWidget(line)
for param in self._alg.parameters:
if param.isAdvanced:
self.advancedButton = QPushButton()
self.advancedButton.setText(
self.tr('Show advanced parameters'))
self.advancedButton.clicked.connect(
self.showAdvancedParametersClicked)
advancedButtonHLayout = QHBoxLayout()
advancedButtonHLayout.addWidget(self.advancedButton)
advancedButtonHLayout.addStretch()
self.verticalLayout.addLayout(advancedButtonHLayout)
break
for param in self._alg.parameters:
if param.hidden:
continue
desc = param.description
if isinstance(param, ParameterExtent):
desc += self.tr('(xmin, xmax, ymin, ymax)')
if isinstance(param, ParameterPoint):
desc += self.tr('(x, y)')
label = QLabel(desc)
self.labels[param.name] = label
widget = self.getWidgetFromParameter(param)
self.valueItems[param.name] = widget
if param.name in tooltips.keys():
tooltip = tooltips[param.name]
else:
tooltip = param.description
label.setToolTip(tooltip)
widget.setToolTip(tooltip)
if param.isAdvanced:
label.setVisible(self.showAdvanced)
widget.setVisible(self.showAdvanced)
self.widgets[param.name] = widget
self.verticalLayout.addWidget(label)
self.verticalLayout.addWidget(widget)
for output in self._alg.outputs:
if output.hidden:
continue
if isinstance(output, (OutputRaster, OutputVector, OutputTable,
OutputHTML, OutputFile, OutputDirectory)):
label = QLabel(output.description + '<' +
output.__class__.__name__ + '>')
item = QLineEdit()
if hasattr(item, 'setPlaceholderText'):
item.setPlaceholderText(ModelerParametersDialog.ENTER_NAME)
self.verticalLayout.addWidget(label)
self.verticalLayout.addWidget(item)
self.valueItems[output.name] = item
label = QLabel(' ')
self.verticalLayout.addWidget(label)
label = QLabel(self.tr('Parent algorithms'))
self.dependenciesPanel = self.getDependenciesPanel()
self.verticalLayout.addWidget(label)
self.verticalLayout.addWidget(self.dependenciesPanel)
self.verticalLayout.addStretch(1000)
self.setLayout(self.verticalLayout)
self.setPreviousValues()
self.setWindowTitle(self._alg.name)
self.verticalLayout2 = QVBoxLayout()
self.verticalLayout2.setSpacing(2)
self.verticalLayout2.setMargin(0)
self.tabWidget = QTabWidget()
self.tabWidget.setMinimumWidth(300)
self.paramPanel = QWidget()
self.paramPanel.setLayout(self.verticalLayout)
self.scrollArea = QScrollArea()
self.scrollArea.setWidget(self.paramPanel)
self.scrollArea.setWidgetResizable(True)
self.tabWidget.addTab(self.scrollArea, self.tr('Parameters'))
self.webView = QWebView()
html = None
url = None
isText, help = self._alg.help()
if help is not None:
if isText:
html = help
else:
url = QUrl(help)
else:
html = self.tr('<h2>Sorry, no help is available for this '
'algorithm.</h2>')
try:
if html:
self.webView.setHtml(html)
elif url:
self.webView.load(url)
except:
self.webView.setHtml(
self.tr('<h2>Could not open help file :-( </h2>'))
self.tabWidget.addTab(self.webView, 'Help')
self.verticalLayout2.addWidget(self.tabWidget)
self.verticalLayout2.addWidget(self.buttonBox)
self.setLayout(self.verticalLayout2)
self.buttonBox.accepted.connect(self.okPressed)
self.buttonBox.rejected.connect(self.cancelPressed)
QMetaObject.connectSlotsByName(self)
def getAvailableDependencies(self):
if self._algName is None:
dependent = []
else:
dependent = self.model.getDependentAlgorithms(self._algName)
opts = []
for alg in self.model.algs.values():
if alg.name not in dependent:
opts.append(alg)
return opts
def getDependenciesPanel(self):
return MultipleInputPanel(
[alg.algorithm.name for alg in self.getAvailableDependencies()])
def showAdvancedParametersClicked(self):
self.showAdvanced = not self.showAdvanced
if self.showAdvanced:
self.advancedButton.setText(self.tr('Hide advanced parameters'))
else:
self.advancedButton.setText(self.tr('Show advanced parameters'))
for param in self._alg.parameters:
if param.isAdvanced:
self.labels[param.name].setVisible(self.showAdvanced)
self.widgets[param.name].setVisible(self.showAdvanced)
def getAvailableValuesOfType(self, paramType, outType=None):
values = []
inputs = self.model.inputs
for i in inputs.values():
param = i.param
if isinstance(param, paramType):
values.append(ValueFromInput(param.name))
if outType is None:
return values
if self._algName is None:
dependent = []
else:
dependent = self.model.getDependentAlgorithms(self._algName)
for alg in self.model.algs.values():
if alg.name not in dependent:
for out in alg.algorithm.outputs:
if isinstance(out, outType):
values.append(ValueFromOutput(alg.name, out.name))
return values
def resolveValueDescription(self, value):
if isinstance(value, ValueFromInput):
return self.model.inputs[value.name].param.description
else:
alg = self.model.algs[value.alg]
return self.tr("'%s' from algorithm '%s'") % (
alg.algorithm.getOutputFromName(
value.output).description, alg.description)
def getWidgetFromParameter(self, param):
if isinstance(param, ParameterRaster):
item = QComboBox()
layers = self.getAvailableValuesOfType(ParameterRaster,
OutputRaster)
if param.optional:
item.addItem(self.NOT_SELECTED, None)
for layer in layers:
item.addItem(self.resolveValueDescription(layer), layer)
elif isinstance(param, ParameterVector):
item = QComboBox()
layers = self.getAvailableValuesOfType(ParameterVector,
OutputVector)
if param.optional:
item.addItem(self.NOT_SELECTED, None)
for layer in layers:
item.addItem(self.resolveValueDescription(layer), layer)
elif isinstance(param, ParameterTable):
item = QComboBox()
tables = self.getAvailableValuesOfType(ParameterTable, OutputTable)
layers = self.getAvailableValuesOfType(ParameterVector,
OutputVector)
if param.optional:
item.addItem(self.NOT_SELECTED, None)
for table in tables:
item.addItem(self.resolveValueDescription(table), table)
for layer in layers:
item.addItem(self.resolveValueDescription(layer), layer)
elif isinstance(param, ParameterBoolean):
item = QComboBox()
item.addItem('Yes')
item.addItem('No')
bools = self.getAvailableValuesOfType(ParameterBoolean, None)
for b in bools:
item.addItem(self.resolveValueDescription(b), b)
if param.default:
item.setCurrentIndex(0)
else:
item.setCurrentIndex(1)
elif isinstance(param, ParameterSelection):
item = QComboBox()
item.addItems(param.options)
item.setCurrentIndex(param.default or 1)
elif isinstance(param, ParameterFixedTable):
item = FixedTablePanel(param)
elif isinstance(param, ParameterRange):
item = RangePanel(param)
elif isinstance(param, ParameterMultipleInput):
if param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
options = self.getAvailableValuesOfType(
ParameterVector, OutputVector)
else:
options = self.getAvailableValuesOfType(
ParameterRaster, OutputRaster)
opts = []
for opt in options:
opts.append(self.resolveValueDescription(opt))
item = MultipleInputPanel(opts)
elif isinstance(param, ParameterString):
strings = self.getAvailableValuesOfType(ParameterString,
OutputString)
options = [(self.resolveValueDescription(s), s) for s in strings]
if param.multiline:
item = MultilineTextPanel(options)
item.setText(unicode(param.default or ""))
else:
item = QComboBox()
item.setEditable(True)
for desc, val in options:
item.addItem(desc, val)
item.setEditText(unicode(param.default or ""))
elif isinstance(param, ParameterTableField):
item = QComboBox()
item.setEditable(True)
fields = self.getAvailableValuesOfType(ParameterTableField, None)
for f in fields:
item.addItem(self.resolveValueDescription(f), f)
elif isinstance(param, ParameterNumber):
item = QComboBox()
item.setEditable(True)
numbers = self.getAvailableValuesOfType(ParameterNumber,
OutputNumber)
for n in numbers:
item.addItem(self.resolveValueDescription(n), n)
item.setEditText(unicode(param.default))
elif isinstance(param, ParameterCrs):
item = CrsSelectionPanel(param.default)
elif isinstance(param, ParameterExtent):
item = QComboBox()
item.setEditable(True)
extents = self.getAvailableValuesOfType(ParameterExtent,
OutputExtent)
if self.canUseAutoExtent():
item.addItem(self.USE_MIN_COVERING_EXTENT, None)
for ex in extents:
item.addItem(self.resolveValueDescription(ex), ex)
if not self.canUseAutoExtent():
item.setEditText(unicode(param.default))
elif isinstance(param, ParameterPoint):
item = QComboBox()
item.setEditable(True)
points = self.getAvailableValuesOfType(ParameterPoint)
for p in points:
item.addItem(self.resolveValueDescription(p), p)
item.setEditText(unicode(param.default))
elif isinstance(param, ParameterFile):
item = QComboBox()
item.setEditable(True)
files = self.getAvailableValuesOfType(ParameterFile, OutputFile)
for f in files:
item.addItem(self.resolveValueDescription(f), f)
elif isinstance(param, ParameterGeometryPredicate):
item = GeometryPredicateSelectionPanel(param.enabledPredicates)
else:
item = QLineEdit()
try:
item.setText(unicode(param.default))
except:
pass
return item
def canUseAutoExtent(self):
for param in self._alg.parameters:
if isinstance(
param,
(ParameterRaster, ParameterVector, ParameterMultipleInput)):
return True
return False
def setTableContent(self):
params = self._alg.parameters
outputs = self._alg.outputs
visibleParams = [p for p in params if not p.hidden]
visibleOutputs = [p for o in outputs if not o.hidden]
self.tableWidget.setRowCount(len(visibleParams) + len(visibleOutputs))
for i, param in visibleParams:
item = QTableWidgetItem(param.description)
item.setFlags(Qt.ItemIsEnabled)
self.tableWidget.setItem(i, 0, item)
item = self.getWidgetFromParameter(param)
self.valueItems[param.name] = item
self.tableWidget.setCellWidget(i, 1, item)
self.tableWidget.setRowHeight(i, 22)
for i, output in visibleOutputs:
item = QTableWidgetItem(output.description + '<' +
output.__module__.split('.')[-1] + '>')
item.setFlags(Qt.ItemIsEnabled)
self.tableWidget.setItem(i, 0, item)
item = QLineEdit()
if hasattr(item, 'setPlaceholderText'):
item.setPlaceholderText(ModelerParametersDialog.ENTER_NAME)
self.valueItems[output.name] = item
self.tableWidget.setCellWidget(i, 1, item)
self.tableWidget.setRowHeight(i, 22)
def setComboBoxValue(self, combo, value, param):
if isinstance(value, list):
value = value[0]
items = [combo.itemData(i) for i in range(combo.count())]
try:
idx = items.index(value)
combo.setCurrentIndex(idx)
return
except ValueError:
pass
if combo.isEditable():
if value is not None:
combo.setEditText(unicode(value))
elif isinstance(param, ParameterSelection):
combo.setCurrentIndex(int(value))
elif isinstance(param, ParameterBoolean):
if value:
combo.setCurrentIndex(0)
else:
combo.setCurrentIndex(1)
def setPreviousValues(self):
if self._algName is not None:
alg = self.model.algs[self._algName]
self.descriptionBox.setText(alg.description)
for param in alg.algorithm.parameters:
if param.hidden:
continue
widget = self.valueItems[param.name]
if param.name in alg.params:
value = alg.params[param.name]
else:
value = None
if isinstance(
param,
(ParameterRaster, ParameterVector, ParameterTable,
ParameterTableField, ParameterSelection, ParameterNumber,
ParameterBoolean, ParameterExtent, ParameterFile,
ParameterPoint)):
self.setComboBoxValue(widget, value, param)
elif isinstance(param, ParameterString):
if param.multiline:
widget.setValue(value)
else:
self.setComboBoxValue(widget, value, param)
elif isinstance(param, ParameterCrs):
widget.setAuthId(value)
elif isinstance(param, ParameterFixedTable):
pass # TODO!
elif isinstance(param, ParameterMultipleInput):
if param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
options = self.getAvailableValuesOfType(
ParameterVector, OutputVector)
else:
options = self.getAvailableValuesOfType(
ParameterRaster, OutputRaster)
selected = []
for i, opt in enumerate(options):
if opt in value:
selected.append(i)
widget.setSelectedItems(selected)
elif isinstance(param, ParameterGeometryPredicate):
widget.setValue(value)
for name, out in alg.outputs.iteritems():
widget = self.valueItems[name].setText(out.description)
selected = []
dependencies = self.getAvailableDependencies()
for idx, dependency in enumerate(dependencies):
if dependency.name in alg.dependencies:
selected.append(idx)
self.dependenciesPanel.setSelectedItems(selected)
def createAlgorithm(self):
alg = Algorithm(self._alg.commandLineName())
alg.setName(self.model)
alg.description = self.descriptionBox.text()
params = self._alg.parameters
outputs = self._alg.outputs
for param in params:
if param.hidden:
continue
if not self.setParamValue(alg, param, self.valueItems[param.name]):
return None
for output in outputs:
if not output.hidden:
name = unicode(self.valueItems[output.name].text())
if name.strip(
) != '' and name != ModelerParametersDialog.ENTER_NAME:
alg.outputs[output.name] = ModelerOutput(name)
selectedOptions = self.dependenciesPanel.selectedoptions
availableDependencies = self.getAvailableDependencies()
for selected in selectedOptions:
alg.dependencies.append(availableDependencies[selected].name)
return alg
def setParamValueLayerOrTable(self, alg, param, widget):
idx = widget.currentIndex()
if idx < 0:
return False
else:
value = widget.itemData(widget.currentIndex())
alg.params[param.name] = value
return True
def setParamTableFieldValue(self, alg, param, widget):
idx = widget.findText(widget.currentText())
if idx < 0:
s = unicode(widget.currentText()).strip()
if s == '':
if param.optional:
alg.params[param.name] = None
return True
else:
return False
else:
alg.params[param.name] = s
return True
else:
alg.params[param.name] = widget.itemData(widget.currentIndex())
return True
def setParamStringValue(self, alg, param, widget):
if param.multiline:
value = widget.getValue()
option = widget.getOption()
if option == MultilineTextPanel.USE_TEXT:
if value == '':
if param.optional:
alg.params[param.name] = None
return True
else:
return False
else:
alg.params[param.name] = value
else:
alg.params[param.name] = value
else:
idx = widget.findText(widget.currentText())
if idx < 0:
value = widget.currentText().strip()
if value == '':
if param.optional:
alg.params[param.name] = None
return True
else:
return False
else:
alg.params[param.name] = value
else:
alg.params[param.name] = widget.itemData(widget.currentIndex())
return True
def setParamFileValue(self, alg, param, widget):
idx = widget.findText(widget.currentText())
if idx < 0:
value = widget.currentText()
else:
value = widget.itemData(widget.currentIndex())
alg.params[param.name] = value
return True
def setParamNumberValue(self, alg, param, widget):
idx = widget.findText(widget.currentText())
if idx < 0:
s = widget.currentText().strip()
if s:
try:
value = float(s)
except:
return False
elif param.optional:
value = None
else:
return False
else:
value = widget.itemData(widget.currentIndex())
alg.params[param.name] = value
return True
def setParamExtentValue(self, alg, param, widget):
idx = widget.findText(widget.currentText())
if idx < 0:
s = unicode(widget.currentText()).strip()
if s:
try:
tokens = s.split(',')
if len(tokens) != 4:
return False
for token in tokens:
float(token)
except:
return False
elif param.optional:
s = None
else:
return False
alg.params[param.name] = [s]
else:
value = widget.itemData(widget.currentIndex())
alg.params[param.name] = value
return True
def setParamPointValue(self, alg, param, widget):
idx = widget.findText(widget.currentText())
if idx < 0:
s = unicode(widget.currentText()).strip()
if s:
try:
tokens = s.split(',')
if len(tokens) != 2:
return False
for token in tokens:
float(token)
except:
return False
elif param.optional:
s = None
else:
return False
alg.params[param.name] = [s]
else:
value = widget.itemData(widget.currentIndex())
alg.params[param.name] = value
return True
def setParamValue(self, alg, param, widget):
if isinstance(param,
(ParameterRaster, ParameterVector, ParameterTable)):
return self.setParamValueLayerOrTable(alg, param, widget)
elif isinstance(param, ParameterBoolean):
if widget.currentIndex() < 2:
value = widget.currentIndex() == 0
else:
value = widget.itemData(widget.currentIndex())
alg.params[param.name] = value
return True
elif isinstance(param, ParameterString):
return self.setParamStringValue(alg, param, widget)
elif isinstance(param, ParameterNumber):
return self.setParamNumberValue(alg, param, widget)
elif isinstance(param, ParameterExtent):
return self.setParamExtentValue(alg, param, widget)
elif isinstance(param, ParameterPoint):
return self.setParamPointValue(alg, param, widget)
elif isinstance(param, ParameterFile):
return self.setParamFileValue(alg, param, widget)
elif isinstance(param, ParameterSelection):
alg.params[param.name] = widget.currentIndex()
return True
elif isinstance(param, ParameterRange):
alg.params[param.name] = widget.getValue()
return True
elif isinstance(param, ParameterCrs):
authid = widget.getValue()
if authid is None and not param.optional:
return False
alg.params[param.name] = authid
return True
elif isinstance(param, ParameterFixedTable):
table = widget.table
if not bool(table) and not param.optional:
return False
alg.params[param.name] = ParameterFixedTable.tableToString(table)
return True
elif isinstance(param, ParameterTableField):
return self.setParamTableFieldValue(alg, param, widget)
elif isinstance(param, ParameterMultipleInput):
if param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
options = self.getAvailableValuesOfType(
ParameterVector, OutputVector)
else:
options = self.getAvailableValuesOfType(
ParameterRaster, OutputRaster)
values = [options[i] for i in widget.selectedoptions]
if len(values) == 0 and not param.optional:
return False
alg.params[param.name] = values
return True
elif isinstance(param, ParameterGeometryPredicate):
alg.params[param.name] = widget.value()
return True
else:
alg.params[param.name] = unicode(widget.text())
return True
def okPressed(self):
self.alg = self.createAlgorithm()
if self.alg is not None:
self.close()
else:
QMessageBox.warning(self, self.tr('Unable to add algorithm'),
self.tr('Wrong or missing parameter values'))
def cancelPressed(self):
self.alg = None
self.close()
def setupUi(self):
self.setWindowTitle(self.tr('Parameter definition'))
self.verticalLayout = QVBoxLayout(self)
self.verticalLayout.setSpacing(40)
self.verticalLayout.setMargin(20)
self.horizontalLayout = QHBoxLayout(self)
self.horizontalLayout.setSpacing(2)
self.horizontalLayout.setMargin(0)
self.label = QLabel(self.tr('Parameter name'))
self.horizontalLayout.addWidget(self.label)
self.nameTextBox = QLineEdit()
self.horizontalLayout.addWidget(self.nameTextBox)
self.verticalLayout.addLayout(self.horizontalLayout)
self.horizontalLayout2 = QHBoxLayout(self)
self.horizontalLayout2.setSpacing(2)
self.horizontalLayout2.setMargin(0)
self.horizontalLayout3 = QHBoxLayout(self)
self.horizontalLayout3.setSpacing(2)
self.horizontalLayout3.setMargin(0)
self.horizontalLayout4 = QHBoxLayout(self)
self.horizontalLayout4.setSpacing(2)
self.horizontalLayout4.setMargin(0)
if isinstance(self.param, Parameter):
self.nameTextBox.setText(self.param.description)
if self.paramType == ModelerParameterDefinitionDialog.PARAMETER_BOOLEAN or \
isinstance(self.param, ParameterBoolean):
self.state = QCheckBox()
self.state.setText(self.tr('Checked'))
self.state.setChecked(False)
if self.param is not None:
self.state.setChecked(True if self.param.value else False)
self.horizontalLayout3.addWidget(self.state)
self.verticalLayout.addLayout(self.horizontalLayout3)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_TABLE_FIELD or \
isinstance(self.param, ParameterTableField):
self.horizontalLayout3.addWidget(QLabel(self.tr('Parent layer')))
self.parentCombo = QComboBox()
idx = 0
for param in self.alg.inputs.values():
if isinstance(param.param, (ParameterVector, ParameterTable)):
self.parentCombo.addItem(param.param.description, param.param.name)
if self.param is not None:
if self.param.parent == param.param.name:
self.parentCombo.setCurrentIndex(idx)
idx += 1
self.horizontalLayout3.addWidget(self.parentCombo)
self.verticalLayout.addLayout(self.horizontalLayout3)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_VECTOR or \
isinstance(self.param, ParameterVector):
self.horizontalLayout3.addWidget(QLabel(self.tr('Shape type')))
self.shapetypeCombo = QComboBox()
self.shapetypeCombo.addItem(self.tr('Any'))
self.shapetypeCombo.addItem(self.tr('Point'))
self.shapetypeCombo.addItem(self.tr('Line'))
self.shapetypeCombo.addItem(self.tr('Polygon'))
if self.param is not None:
self.shapetypeCombo.setCurrentIndex(self.param.shapetype[0] + 1)
self.horizontalLayout3.addWidget(self.shapetypeCombo)
self.verticalLayout.addLayout(self.horizontalLayout3)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_MULTIPLE or \
isinstance(self.param, ParameterMultipleInput):
self.horizontalLayout3.addWidget(QLabel(self.tr('Data type')))
self.datatypeCombo = QComboBox()
self.datatypeCombo.addItem(self.tr('Vector (any)'))
self.datatypeCombo.addItem(self.tr('Vector (point)'))
self.datatypeCombo.addItem(self.tr('Vector (line)'))
self.datatypeCombo.addItem(self.tr('Vector (polygon)'))
self.datatypeCombo.addItem(self.tr('Raster'))
self.datatypeCombo.addItem(self.tr('Table'))
if self.param is not None:
self.datatypeCombo.setCurrentIndex(self.param.datatype + 1)
self.horizontalLayout3.addWidget(self.datatypeCombo)
self.verticalLayout.addLayout(self.horizontalLayout3)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_NUMBER or \
isinstance(self.param, ParameterNumber):
self.horizontalLayout3.addWidget(QLabel(self.tr('Min/Max values')))
self.minTextBox = QLineEdit()
self.maxTextBox = QLineEdit()
if self.param is not None:
self.minTextBox.setText(unicode(self.param.min))
self.maxTextBox.setText(unicode(self.param.max))
self.horizontalLayout3.addWidget(self.minTextBox)
self.horizontalLayout3.addWidget(self.maxTextBox)
self.verticalLayout.addLayout(self.horizontalLayout3)
self.horizontalLayout4.addWidget(QLabel(self.tr('Default value')))
self.defaultTextBox = QLineEdit()
self.defaultTextBox.setText(self.tr('0'))
if self.param is not None:
default = self.param.default
if self.param.isInteger:
default = int(math.floor(default))
self.defaultTextBox.setText(unicode(default))
self.horizontalLayout4.addWidget(self.defaultTextBox)
self.verticalLayout.addLayout(self.horizontalLayout4)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_STRING or \
isinstance(self.param, ParameterString):
self.horizontalLayout3.addWidget(QLabel(self.tr('Default value')))
self.defaultTextBox = QLineEdit()
if self.param is not None:
self.defaultTextBox.setText(self.param.default)
self.horizontalLayout3.addWidget(self.defaultTextBox)
self.verticalLayout.addLayout(self.horizontalLayout3)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_FILE or \
isinstance(self.param, ParameterFile):
self.horizontalLayout3.addWidget(QLabel(self.tr('Type')))
self.fileFolderCombo = QComboBox()
self.fileFolderCombo.addItem(self.tr('File'))
self.fileFolderCombo.addItem(self.tr('Folder'))
if self.param is not None:
self.fileFolderCombo.setCurrentIndex(
1 if self.param.isFolder else 0)
self.horizontalLayout3.addWidget(self.fileFolderCombo)
self.verticalLayout.addLayout(self.horizontalLayout3)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_POINT or \
isinstance(self.param, ParameterPoint):
self.horizontalLayout3.addWidget(QLabel(self.tr('Default value')))
self.defaultTextBox = QLineEdit()
if self.param is not None:
self.defaultTextBox.setText(self.param.default)
self.horizontalLayout3.addWidget(self.defaultTextBox)
self.verticalLayout.addLayout(self.horizontalLayout3)
self.horizontalLayout2.addWidget(QLabel(self.tr('Required')))
self.yesNoCombo = QComboBox()
self.yesNoCombo.addItem(self.tr('Yes'))
self.yesNoCombo.addItem(self.tr('No'))
self.horizontalLayout2.addWidget(self.yesNoCombo)
if self.param is not None:
self.yesNoCombo.setCurrentIndex(
1 if self.param.optional else 0)
self.verticalLayout.addLayout(self.horizontalLayout2)
self.buttonBox = QDialogButtonBox(self)
self.buttonBox.setOrientation(Qt.Horizontal)
self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
| QDialogButtonBox.Ok)
self.buttonBox.setObjectName('buttonBox')
self.buttonBox.accepted.connect(self.okPressed)
self.buttonBox.rejected.connect(self.cancelPressed)
self.verticalLayout.addWidget(self.buttonBox)
self.setLayout(self.verticalLayout)
class ModelerParameterDefinitionDialog(QDialog):
PARAMETER_NUMBER = 'Number'
PARAMETER_RASTER = 'Raster layer'
PARAMETER_TABLE = 'Table'
PARAMETER_VECTOR = 'Vector layer'
PARAMETER_STRING = 'String'
PARAMETER_BOOLEAN = 'Boolean'
PARAMETER_TABLE_FIELD = 'Table field'
PARAMETER_EXTENT = 'Extent'
PARAMETER_FILE = 'File'
PARAMETER_POINT = 'Point'
# To add
PARAMETER_MULTIPLE = 'Multiple input'
PARAMETER_FIXED_TABLE = 'Fixed table'
paramTypes = [
PARAMETER_BOOLEAN,
PARAMETER_EXTENT,
PARAMETER_FILE,
PARAMETER_NUMBER,
PARAMETER_RASTER,
PARAMETER_STRING,
PARAMETER_TABLE,
PARAMETER_TABLE_FIELD,
PARAMETER_VECTOR,
PARAMETER_POINT
]
def __init__(self, alg, paramType=None, param=None):
self.alg = alg
self.paramType = paramType
self.param = param
QDialog.__init__(self)
self.setModal(True)
self.setupUi()
def setupUi(self):
self.setWindowTitle(self.tr('Parameter definition'))
self.verticalLayout = QVBoxLayout(self)
self.verticalLayout.setSpacing(40)
self.verticalLayout.setMargin(20)
self.horizontalLayout = QHBoxLayout(self)
self.horizontalLayout.setSpacing(2)
self.horizontalLayout.setMargin(0)
self.label = QLabel(self.tr('Parameter name'))
self.horizontalLayout.addWidget(self.label)
self.nameTextBox = QLineEdit()
self.horizontalLayout.addWidget(self.nameTextBox)
self.verticalLayout.addLayout(self.horizontalLayout)
self.horizontalLayout2 = QHBoxLayout(self)
self.horizontalLayout2.setSpacing(2)
self.horizontalLayout2.setMargin(0)
self.horizontalLayout3 = QHBoxLayout(self)
self.horizontalLayout3.setSpacing(2)
self.horizontalLayout3.setMargin(0)
self.horizontalLayout4 = QHBoxLayout(self)
self.horizontalLayout4.setSpacing(2)
self.horizontalLayout4.setMargin(0)
if isinstance(self.param, Parameter):
self.nameTextBox.setText(self.param.description)
if self.paramType == ModelerParameterDefinitionDialog.PARAMETER_BOOLEAN or \
isinstance(self.param, ParameterBoolean):
self.state = QCheckBox()
self.state.setText(self.tr('Checked'))
self.state.setChecked(False)
if self.param is not None:
self.state.setChecked(True if self.param.value else False)
self.horizontalLayout3.addWidget(self.state)
self.verticalLayout.addLayout(self.horizontalLayout3)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_TABLE_FIELD or \
isinstance(self.param, ParameterTableField):
self.horizontalLayout3.addWidget(QLabel(self.tr('Parent layer')))
self.parentCombo = QComboBox()
idx = 0
for param in self.alg.inputs.values():
if isinstance(param.param, (ParameterVector, ParameterTable)):
self.parentCombo.addItem(param.param.description, param.param.name)
if self.param is not None:
if self.param.parent == param.param.name:
self.parentCombo.setCurrentIndex(idx)
idx += 1
self.horizontalLayout3.addWidget(self.parentCombo)
self.verticalLayout.addLayout(self.horizontalLayout3)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_VECTOR or \
isinstance(self.param, ParameterVector):
self.horizontalLayout3.addWidget(QLabel(self.tr('Shape type')))
self.shapetypeCombo = QComboBox()
self.shapetypeCombo.addItem(self.tr('Any'))
self.shapetypeCombo.addItem(self.tr('Point'))
self.shapetypeCombo.addItem(self.tr('Line'))
self.shapetypeCombo.addItem(self.tr('Polygon'))
if self.param is not None:
self.shapetypeCombo.setCurrentIndex(self.param.shapetype[0] + 1)
self.horizontalLayout3.addWidget(self.shapetypeCombo)
self.verticalLayout.addLayout(self.horizontalLayout3)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_MULTIPLE or \
isinstance(self.param, ParameterMultipleInput):
self.horizontalLayout3.addWidget(QLabel(self.tr('Data type')))
self.datatypeCombo = QComboBox()
self.datatypeCombo.addItem(self.tr('Vector (any)'))
self.datatypeCombo.addItem(self.tr('Vector (point)'))
self.datatypeCombo.addItem(self.tr('Vector (line)'))
self.datatypeCombo.addItem(self.tr('Vector (polygon)'))
self.datatypeCombo.addItem(self.tr('Raster'))
self.datatypeCombo.addItem(self.tr('Table'))
if self.param is not None:
self.datatypeCombo.setCurrentIndex(self.param.datatype + 1)
self.horizontalLayout3.addWidget(self.datatypeCombo)
self.verticalLayout.addLayout(self.horizontalLayout3)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_NUMBER or \
isinstance(self.param, ParameterNumber):
self.horizontalLayout3.addWidget(QLabel(self.tr('Min/Max values')))
self.minTextBox = QLineEdit()
self.maxTextBox = QLineEdit()
if self.param is not None:
self.minTextBox.setText(unicode(self.param.min))
self.maxTextBox.setText(unicode(self.param.max))
self.horizontalLayout3.addWidget(self.minTextBox)
self.horizontalLayout3.addWidget(self.maxTextBox)
self.verticalLayout.addLayout(self.horizontalLayout3)
self.horizontalLayout4.addWidget(QLabel(self.tr('Default value')))
self.defaultTextBox = QLineEdit()
self.defaultTextBox.setText(self.tr('0'))
if self.param is not None:
default = self.param.default
if self.param.isInteger:
default = int(math.floor(default))
self.defaultTextBox.setText(unicode(default))
self.horizontalLayout4.addWidget(self.defaultTextBox)
self.verticalLayout.addLayout(self.horizontalLayout4)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_STRING or \
isinstance(self.param, ParameterString):
self.horizontalLayout3.addWidget(QLabel(self.tr('Default value')))
self.defaultTextBox = QLineEdit()
if self.param is not None:
self.defaultTextBox.setText(self.param.default)
self.horizontalLayout3.addWidget(self.defaultTextBox)
self.verticalLayout.addLayout(self.horizontalLayout3)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_FILE or \
isinstance(self.param, ParameterFile):
self.horizontalLayout3.addWidget(QLabel(self.tr('Type')))
self.fileFolderCombo = QComboBox()
self.fileFolderCombo.addItem(self.tr('File'))
self.fileFolderCombo.addItem(self.tr('Folder'))
if self.param is not None:
self.fileFolderCombo.setCurrentIndex(
1 if self.param.isFolder else 0)
self.horizontalLayout3.addWidget(self.fileFolderCombo)
self.verticalLayout.addLayout(self.horizontalLayout3)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_POINT or \
isinstance(self.param, ParameterPoint):
self.horizontalLayout3.addWidget(QLabel(self.tr('Default value')))
self.defaultTextBox = QLineEdit()
if self.param is not None:
self.defaultTextBox.setText(self.param.default)
self.horizontalLayout3.addWidget(self.defaultTextBox)
self.verticalLayout.addLayout(self.horizontalLayout3)
self.horizontalLayout2.addWidget(QLabel(self.tr('Required')))
self.yesNoCombo = QComboBox()
self.yesNoCombo.addItem(self.tr('Yes'))
self.yesNoCombo.addItem(self.tr('No'))
self.horizontalLayout2.addWidget(self.yesNoCombo)
if self.param is not None:
self.yesNoCombo.setCurrentIndex(
1 if self.param.optional else 0)
self.verticalLayout.addLayout(self.horizontalLayout2)
self.buttonBox = QDialogButtonBox(self)
self.buttonBox.setOrientation(Qt.Horizontal)
self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
| QDialogButtonBox.Ok)
self.buttonBox.setObjectName('buttonBox')
self.buttonBox.accepted.connect(self.okPressed)
self.buttonBox.rejected.connect(self.cancelPressed)
self.verticalLayout.addWidget(self.buttonBox)
self.setLayout(self.verticalLayout)
def okPressed(self):
description = unicode(self.nameTextBox.text())
if description.strip() == '':
QMessageBox.warning(self, self.tr('Unable to define parameter'),
self.tr('Invalid parameter name'))
return
if self.param is None:
validChars = \
'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
safeName = ''.join(c for c in description if c in validChars)
name = safeName.lower()
i = 2
while name in self.alg.inputs:
name = safeName.lower() + str(i)
else:
name = self.param.name
if self.paramType \
== ModelerParameterDefinitionDialog.PARAMETER_BOOLEAN \
or isinstance(self.param, ParameterBoolean):
self.param = ParameterBoolean(name, description,
self.state.isChecked())
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_TABLE_FIELD or \
isinstance(self.param, ParameterTableField):
if self.parentCombo.currentIndex() < 0:
QMessageBox.warning(self, self.tr('Unable to define parameter'),
self.tr('Wrong or missing parameter values'))
return
parent = self.parentCombo.itemData(self.parentCombo.currentIndex())
self.param = ParameterTableField(name, description, parent)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_RASTER or \
isinstance(self.param, ParameterRaster):
self.param = ParameterRaster(
name, description,
self.yesNoCombo.currentIndex() == 1)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_TABLE or \
isinstance(self.param, ParameterTable):
self.param = ParameterTable(
name, description,
self.yesNoCombo.currentIndex() == 1)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_VECTOR or \
isinstance(self.param, ParameterVector):
self.param = ParameterVector(
name, description,
[self.shapetypeCombo.currentIndex() - 1],
self.yesNoCombo.currentIndex() == 1)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_MULTIPLE or \
isinstance(self.param, ParameterMultipleInput):
self.param = ParameterMultipleInput(
name, description,
self.datatypeCombo.currentIndex() - 1,
self.yesNoCombo.currentIndex() == 1)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_NUMBER or \
isinstance(self.param, ParameterNumber):
try:
vmin = unicode(self.minTextBox.text()).strip()
if vmin == '':
vmin = None
else:
vmin = float(vmin)
vmax = unicode(self.maxTextBox.text()).strip()
if vmax == '':
vmax = None
else:
vmax = float(vmax)
self.param = ParameterNumber(name, description, vmin, vmax,
unicode(self.defaultTextBox.text()))
except:
QMessageBox.warning(self, self.tr('Unable to define parameter'),
self.tr('Wrong or missing parameter values'))
return
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_STRING or \
isinstance(self.param, ParameterString):
self.param = ParameterString(name, description,
unicode(self.defaultTextBox.text()))
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_EXTENT or \
isinstance(self.param, ParameterExtent):
self.param = ParameterExtent(name, description)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_FILE or \
isinstance(self.param, ParameterFile):
isFolder = self.fileFolderCombo.currentIndex() == 1
self.param = ParameterFile(name, description, isFolder=isFolder)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_POINT or \
isinstance(self.param, ParameterPoint):
self.param = ParameterPoint(name, description,
unicode(self.defaultTextBox.text()))
self.param.optional = self.yesNoCombo.currentIndex() == 1
self.close()
def cancelPressed(self):
self.param = None
self.close()
class CalculatorModelerParametersDialog(ModelerParametersDialog):
def setupUi(self):
self.valueItems = {}
self.dependentItems = {}
self.resize(650, 450)
self.buttonBox = QDialogButtonBox()
self.buttonBox.setOrientation(Qt.Horizontal)
self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
| QDialogButtonBox.Ok)
self.infoText = QTextEdit()
numbers = self.getAvailableValuesOfType(ParameterNumber, OutputNumber)
text = self.tr('You can refer to model values in your formula, using '
'single-letter variables, as follows:\n', 'CalculatorModelerParametersDialog')
ichar = 97
if numbers:
for number in numbers:
text += chr(ichar) + '->' + self.resolveValueDescription(number) + '\n'
ichar += 1
else:
text += self.tr('\n - No numerical variables are available.', 'CalculatorModelerParametersDialog')
self.infoText.setText(text)
self.infoText.setEnabled(False)
self.formulaText = QLineEdit()
if hasattr(self.formulaText, 'setPlaceholderText'):
self.formulaText.setPlaceholderText(self.tr('[Enter your formula here]', 'CalculatorModelerParametersDialog'))
if self._algName is not None:
alg = self.model.algs[self._algName]
self.formulaText.setText(alg.params[FORMULA])
self.setWindowTitle(self.tr('Calculator', 'CalculatorModelerParametersDialog'))
self.verticalLayout = QVBoxLayout()
self.verticalLayout.setSpacing(2)
self.verticalLayout.setMargin(0)
self.verticalLayout.addWidget(self.infoText)
self.verticalLayout.addWidget(self.formulaText)
self.verticalLayout.addWidget(self.buttonBox)
self.setLayout(self.verticalLayout)
self.buttonBox.accepted.connect(self.okPressed)
self.buttonBox.rejected.connect(self.cancelPressed)
QMetaObject.connectSlotsByName(self)
def createAlgorithm(self):
alg = Algorithm('modelertools:calculator')
alg.setName(self.model)
alg.description = self.tr('Calculator', 'CalculatorModelerParametersDialog')
formula = self.formulaText.text()
alg.params[FORMULA] = formula
for i in xrange(AVAILABLE_VARIABLES):
paramname = NUMBER + unicode(i)
alg.params[paramname] = None
numbers = self.getAvailableValuesOfType(ParameterNumber, OutputNumber)
used = []
for i in range(len(numbers)):
if unicode(chr(i + 97)) in formula:
used.append(numbers[i])
for i, variable in enumerate(used):
paramname = NUMBER + unicode(i)
alg.params[paramname] = variable
# TODO check formula is correct
return alg
class CalculatorModelerParametersDialog(ModelerParametersDialog):
def setupUi(self):
self.valueItems = {}
self.dependentItems = {}
self.resize(650, 450)
self.buttonBox = QDialogButtonBox()
self.buttonBox.setOrientation(Qt.Horizontal)
self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
| QDialogButtonBox.Ok)
self.infoText = QTextEdit()
numbers = self.getAvailableValuesOfType(ParameterNumber, OutputNumber)
text = self.tr(
'You can refer to model values in your formula, using '
'single-letter variables, as follows:\n',
'CalculatorModelerParametersDialog')
ichar = 97
if numbers:
for number in numbers:
text += chr(ichar) + '->' + self.resolveValueDescription(
number) + '\n'
ichar += 1
else:
text += self.tr('\n - No numerical variables are available.',
'CalculatorModelerParametersDialog')
self.infoText.setText(text)
self.infoText.setEnabled(False)
self.formulaText = QLineEdit()
if hasattr(self.formulaText, 'setPlaceholderText'):
self.formulaText.setPlaceholderText(
self.tr('[Enter your formula here]',
'CalculatorModelerParametersDialog'))
if self._algName is not None:
alg = self.model.algs[self._algName]
self.formulaText.setText(alg.params[FORMULA])
self.setWindowTitle(
self.tr('Calculator', 'CalculatorModelerParametersDialog'))
self.verticalLayout = QVBoxLayout()
self.verticalLayout.setSpacing(2)
self.verticalLayout.setMargin(0)
self.verticalLayout.addWidget(self.infoText)
self.verticalLayout.addWidget(self.formulaText)
self.verticalLayout.addWidget(self.buttonBox)
self.setLayout(self.verticalLayout)
self.buttonBox.accepted.connect(self.okPressed)
self.buttonBox.rejected.connect(self.cancelPressed)
QMetaObject.connectSlotsByName(self)
def createAlgorithm(self):
alg = Algorithm('modelertools:calculator')
alg.setName(self.model)
alg.description = self.tr('Calculator',
'CalculatorModelerParametersDialog')
formula = self.formulaText.text()
alg.params[FORMULA] = formula
for i in xrange(AVAILABLE_VARIABLES):
paramname = NUMBER + unicode(i)
alg.params[paramname] = None
numbers = self.getAvailableValuesOfType(ParameterNumber, OutputNumber)
used = []
for i in range(len(numbers)):
if unicode(chr(i + 97)) in formula:
used.append(numbers[i])
for i, variable in enumerate(used):
paramname = NUMBER + unicode(i)
alg.params[paramname] = variable
# TODO check formula is correct
return alg
def setupUi(self):
self.setWindowTitle(self.tr('Parameter definition'))
self.verticalLayout = QVBoxLayout(self)
self.verticalLayout.setSpacing(40)
self.verticalLayout.setMargin(20)
self.horizontalLayout = QHBoxLayout(self)
self.horizontalLayout.setSpacing(2)
self.horizontalLayout.setMargin(0)
self.label = QLabel(self.tr('Parameter name'))
self.horizontalLayout.addWidget(self.label)
self.nameTextBox = QLineEdit()
self.horizontalLayout.addWidget(self.nameTextBox)
self.verticalLayout.addLayout(self.horizontalLayout)
self.horizontalLayout2 = QHBoxLayout(self)
self.horizontalLayout2.setSpacing(2)
self.horizontalLayout2.setMargin(0)
self.horizontalLayout3 = QHBoxLayout(self)
self.horizontalLayout3.setSpacing(2)
self.horizontalLayout3.setMargin(0)
self.horizontalLayout4 = QHBoxLayout(self)
self.horizontalLayout4.setSpacing(2)
self.horizontalLayout4.setMargin(0)
if isinstance(self.param, Parameter):
self.nameTextBox.setText(self.param.description)
if self.paramType == ModelerParameterDefinitionDialog.PARAMETER_BOOLEAN or \
isinstance(self.param, ParameterBoolean):
self.state = QCheckBox()
self.state.setText(self.tr('Checked'))
self.state.setChecked(False)
if self.param is not None:
self.state.setChecked(True if self.param.value else False)
self.horizontalLayout3.addWidget(self.state)
self.verticalLayout.addLayout(self.horizontalLayout3)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_TABLE_FIELD or \
isinstance(self.param, ParameterTableField):
self.horizontalLayout3.addWidget(QLabel(self.tr('Parent layer')))
self.parentCombo = QComboBox()
idx = 0
for param in self.alg.inputs.values():
if isinstance(param.param, (ParameterVector, ParameterTable)):
self.parentCombo.addItem(param.param.description,
param.param.name)
if self.param is not None:
if self.param.parent == param.param.name:
self.parentCombo.setCurrentIndex(idx)
idx += 1
self.horizontalLayout3.addWidget(self.parentCombo)
self.verticalLayout.addLayout(self.horizontalLayout3)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_VECTOR or \
isinstance(self.param, ParameterVector):
self.horizontalLayout3.addWidget(QLabel(self.tr('Shape type')))
self.shapetypeCombo = QComboBox()
self.shapetypeCombo.addItem(self.tr('Any'))
self.shapetypeCombo.addItem(self.tr('Point'))
self.shapetypeCombo.addItem(self.tr('Line'))
self.shapetypeCombo.addItem(self.tr('Polygon'))
if self.param is not None:
self.shapetypeCombo.setCurrentIndex(self.param.shapetype[0] +
1)
self.horizontalLayout3.addWidget(self.shapetypeCombo)
self.verticalLayout.addLayout(self.horizontalLayout3)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_MULTIPLE or \
isinstance(self.param, ParameterMultipleInput):
self.horizontalLayout3.addWidget(QLabel(self.tr('Data type')))
self.datatypeCombo = QComboBox()
self.datatypeCombo.addItem(self.tr('Vector (any)'))
self.datatypeCombo.addItem(self.tr('Vector (point)'))
self.datatypeCombo.addItem(self.tr('Vector (line)'))
self.datatypeCombo.addItem(self.tr('Vector (polygon)'))
self.datatypeCombo.addItem(self.tr('Raster'))
self.datatypeCombo.addItem(self.tr('Table'))
if self.param is not None:
self.datatypeCombo.setCurrentIndex(self.param.datatype + 1)
self.horizontalLayout3.addWidget(self.datatypeCombo)
self.verticalLayout.addLayout(self.horizontalLayout3)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_NUMBER or \
isinstance(self.param, ParameterNumber):
self.horizontalLayout3.addWidget(QLabel(self.tr('Min/Max values')))
self.minTextBox = QLineEdit()
self.maxTextBox = QLineEdit()
if self.param is not None:
self.minTextBox.setText(unicode(self.param.min))
self.maxTextBox.setText(unicode(self.param.max))
self.horizontalLayout3.addWidget(self.minTextBox)
self.horizontalLayout3.addWidget(self.maxTextBox)
self.verticalLayout.addLayout(self.horizontalLayout3)
self.horizontalLayout4.addWidget(QLabel(self.tr('Default value')))
self.defaultTextBox = QLineEdit()
self.defaultTextBox.setText(self.tr('0'))
if self.param is not None:
default = self.param.default
if self.param.isInteger:
default = int(math.floor(default))
self.defaultTextBox.setText(unicode(default))
self.horizontalLayout4.addWidget(self.defaultTextBox)
self.verticalLayout.addLayout(self.horizontalLayout4)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_STRING or \
isinstance(self.param, ParameterString):
self.horizontalLayout3.addWidget(QLabel(self.tr('Default value')))
self.defaultTextBox = QLineEdit()
if self.param is not None:
self.defaultTextBox.setText(self.param.default)
self.horizontalLayout3.addWidget(self.defaultTextBox)
self.verticalLayout.addLayout(self.horizontalLayout3)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_FILE or \
isinstance(self.param, ParameterFile):
self.horizontalLayout3.addWidget(QLabel(self.tr('Type')))
self.fileFolderCombo = QComboBox()
self.fileFolderCombo.addItem(self.tr('File'))
self.fileFolderCombo.addItem(self.tr('Folder'))
if self.param is not None:
self.fileFolderCombo.setCurrentIndex(
1 if self.param.isFolder else 0)
self.horizontalLayout3.addWidget(self.fileFolderCombo)
self.verticalLayout.addLayout(self.horizontalLayout3)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_POINT or \
isinstance(self.param, ParameterPoint):
self.horizontalLayout3.addWidget(QLabel(self.tr('Default value')))
self.defaultTextBox = QLineEdit()
if self.param is not None:
self.defaultTextBox.setText(self.param.default)
self.horizontalLayout3.addWidget(self.defaultTextBox)
self.verticalLayout.addLayout(self.horizontalLayout3)
self.horizontalLayout2.addWidget(QLabel(self.tr('Required')))
self.yesNoCombo = QComboBox()
self.yesNoCombo.addItem(self.tr('Yes'))
self.yesNoCombo.addItem(self.tr('No'))
self.horizontalLayout2.addWidget(self.yesNoCombo)
if self.param is not None:
self.yesNoCombo.setCurrentIndex(1 if self.param.optional else 0)
self.verticalLayout.addLayout(self.horizontalLayout2)
self.buttonBox = QDialogButtonBox(self)
self.buttonBox.setOrientation(Qt.Horizontal)
self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
| QDialogButtonBox.Ok)
self.buttonBox.setObjectName('buttonBox')
self.buttonBox.accepted.connect(self.okPressed)
self.buttonBox.rejected.connect(self.cancelPressed)
self.verticalLayout.addWidget(self.buttonBox)
self.setLayout(self.verticalLayout)
class ModelerParameterDefinitionDialog(QDialog):
PARAMETER_NUMBER = 'Number'
PARAMETER_RASTER = 'Raster layer'
PARAMETER_TABLE = 'Table'
PARAMETER_VECTOR = 'Vector layer'
PARAMETER_STRING = 'String'
PARAMETER_BOOLEAN = 'Boolean'
PARAMETER_TABLE_FIELD = 'Table field'
PARAMETER_EXTENT = 'Extent'
PARAMETER_FILE = 'File'
PARAMETER_POINT = 'Point'
# To add
PARAMETER_MULTIPLE = 'Multiple input'
PARAMETER_FIXED_TABLE = 'Fixed table'
paramTypes = [
PARAMETER_BOOLEAN, PARAMETER_EXTENT, PARAMETER_FILE, PARAMETER_NUMBER,
PARAMETER_RASTER, PARAMETER_STRING, PARAMETER_TABLE,
PARAMETER_TABLE_FIELD, PARAMETER_VECTOR, PARAMETER_POINT
]
def __init__(self, alg, paramType=None, param=None):
self.alg = alg
self.paramType = paramType
self.param = param
QDialog.__init__(self)
self.setModal(True)
self.setupUi()
def setupUi(self):
self.setWindowTitle(self.tr('Parameter definition'))
self.verticalLayout = QVBoxLayout(self)
self.verticalLayout.setSpacing(40)
self.verticalLayout.setMargin(20)
self.horizontalLayout = QHBoxLayout(self)
self.horizontalLayout.setSpacing(2)
self.horizontalLayout.setMargin(0)
self.label = QLabel(self.tr('Parameter name'))
self.horizontalLayout.addWidget(self.label)
self.nameTextBox = QLineEdit()
self.horizontalLayout.addWidget(self.nameTextBox)
self.verticalLayout.addLayout(self.horizontalLayout)
self.horizontalLayout2 = QHBoxLayout(self)
self.horizontalLayout2.setSpacing(2)
self.horizontalLayout2.setMargin(0)
self.horizontalLayout3 = QHBoxLayout(self)
self.horizontalLayout3.setSpacing(2)
self.horizontalLayout3.setMargin(0)
self.horizontalLayout4 = QHBoxLayout(self)
self.horizontalLayout4.setSpacing(2)
self.horizontalLayout4.setMargin(0)
if isinstance(self.param, Parameter):
self.nameTextBox.setText(self.param.description)
if self.paramType == ModelerParameterDefinitionDialog.PARAMETER_BOOLEAN or \
isinstance(self.param, ParameterBoolean):
self.state = QCheckBox()
self.state.setText(self.tr('Checked'))
self.state.setChecked(False)
if self.param is not None:
self.state.setChecked(True if self.param.value else False)
self.horizontalLayout3.addWidget(self.state)
self.verticalLayout.addLayout(self.horizontalLayout3)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_TABLE_FIELD or \
isinstance(self.param, ParameterTableField):
self.horizontalLayout3.addWidget(QLabel(self.tr('Parent layer')))
self.parentCombo = QComboBox()
idx = 0
for param in self.alg.inputs.values():
if isinstance(param.param, (ParameterVector, ParameterTable)):
self.parentCombo.addItem(param.param.description,
param.param.name)
if self.param is not None:
if self.param.parent == param.param.name:
self.parentCombo.setCurrentIndex(idx)
idx += 1
self.horizontalLayout3.addWidget(self.parentCombo)
self.verticalLayout.addLayout(self.horizontalLayout3)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_VECTOR or \
isinstance(self.param, ParameterVector):
self.horizontalLayout3.addWidget(QLabel(self.tr('Shape type')))
self.shapetypeCombo = QComboBox()
self.shapetypeCombo.addItem(self.tr('Any'))
self.shapetypeCombo.addItem(self.tr('Point'))
self.shapetypeCombo.addItem(self.tr('Line'))
self.shapetypeCombo.addItem(self.tr('Polygon'))
if self.param is not None:
self.shapetypeCombo.setCurrentIndex(self.param.shapetype[0] +
1)
self.horizontalLayout3.addWidget(self.shapetypeCombo)
self.verticalLayout.addLayout(self.horizontalLayout3)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_MULTIPLE or \
isinstance(self.param, ParameterMultipleInput):
self.horizontalLayout3.addWidget(QLabel(self.tr('Data type')))
self.datatypeCombo = QComboBox()
self.datatypeCombo.addItem(self.tr('Vector (any)'))
self.datatypeCombo.addItem(self.tr('Vector (point)'))
self.datatypeCombo.addItem(self.tr('Vector (line)'))
self.datatypeCombo.addItem(self.tr('Vector (polygon)'))
self.datatypeCombo.addItem(self.tr('Raster'))
self.datatypeCombo.addItem(self.tr('Table'))
if self.param is not None:
self.datatypeCombo.setCurrentIndex(self.param.datatype + 1)
self.horizontalLayout3.addWidget(self.datatypeCombo)
self.verticalLayout.addLayout(self.horizontalLayout3)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_NUMBER or \
isinstance(self.param, ParameterNumber):
self.horizontalLayout3.addWidget(QLabel(self.tr('Min/Max values')))
self.minTextBox = QLineEdit()
self.maxTextBox = QLineEdit()
if self.param is not None:
self.minTextBox.setText(unicode(self.param.min))
self.maxTextBox.setText(unicode(self.param.max))
self.horizontalLayout3.addWidget(self.minTextBox)
self.horizontalLayout3.addWidget(self.maxTextBox)
self.verticalLayout.addLayout(self.horizontalLayout3)
self.horizontalLayout4.addWidget(QLabel(self.tr('Default value')))
self.defaultTextBox = QLineEdit()
self.defaultTextBox.setText(self.tr('0'))
if self.param is not None:
default = self.param.default
if self.param.isInteger:
default = int(math.floor(default))
self.defaultTextBox.setText(unicode(default))
self.horizontalLayout4.addWidget(self.defaultTextBox)
self.verticalLayout.addLayout(self.horizontalLayout4)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_STRING or \
isinstance(self.param, ParameterString):
self.horizontalLayout3.addWidget(QLabel(self.tr('Default value')))
self.defaultTextBox = QLineEdit()
if self.param is not None:
self.defaultTextBox.setText(self.param.default)
self.horizontalLayout3.addWidget(self.defaultTextBox)
self.verticalLayout.addLayout(self.horizontalLayout3)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_FILE or \
isinstance(self.param, ParameterFile):
self.horizontalLayout3.addWidget(QLabel(self.tr('Type')))
self.fileFolderCombo = QComboBox()
self.fileFolderCombo.addItem(self.tr('File'))
self.fileFolderCombo.addItem(self.tr('Folder'))
if self.param is not None:
self.fileFolderCombo.setCurrentIndex(
1 if self.param.isFolder else 0)
self.horizontalLayout3.addWidget(self.fileFolderCombo)
self.verticalLayout.addLayout(self.horizontalLayout3)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_POINT or \
isinstance(self.param, ParameterPoint):
self.horizontalLayout3.addWidget(QLabel(self.tr('Default value')))
self.defaultTextBox = QLineEdit()
if self.param is not None:
self.defaultTextBox.setText(self.param.default)
self.horizontalLayout3.addWidget(self.defaultTextBox)
self.verticalLayout.addLayout(self.horizontalLayout3)
self.horizontalLayout2.addWidget(QLabel(self.tr('Required')))
self.yesNoCombo = QComboBox()
self.yesNoCombo.addItem(self.tr('Yes'))
self.yesNoCombo.addItem(self.tr('No'))
self.horizontalLayout2.addWidget(self.yesNoCombo)
if self.param is not None:
self.yesNoCombo.setCurrentIndex(1 if self.param.optional else 0)
self.verticalLayout.addLayout(self.horizontalLayout2)
self.buttonBox = QDialogButtonBox(self)
self.buttonBox.setOrientation(Qt.Horizontal)
self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
| QDialogButtonBox.Ok)
self.buttonBox.setObjectName('buttonBox')
self.buttonBox.accepted.connect(self.okPressed)
self.buttonBox.rejected.connect(self.cancelPressed)
self.verticalLayout.addWidget(self.buttonBox)
self.setLayout(self.verticalLayout)
def okPressed(self):
description = unicode(self.nameTextBox.text())
if description.strip() == '':
QMessageBox.warning(self, self.tr('Unable to define parameter'),
self.tr('Invalid parameter name'))
return
if self.param is None:
validChars = \
'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
safeName = ''.join(c for c in description if c in validChars)
name = safeName.lower()
i = 2
while name in self.alg.inputs:
name = safeName.lower() + str(i)
else:
name = self.param.name
if self.paramType \
== ModelerParameterDefinitionDialog.PARAMETER_BOOLEAN \
or isinstance(self.param, ParameterBoolean):
self.param = ParameterBoolean(name, description,
self.state.isChecked())
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_TABLE_FIELD or \
isinstance(self.param, ParameterTableField):
if self.parentCombo.currentIndex() < 0:
QMessageBox.warning(
self, self.tr('Unable to define parameter'),
self.tr('Wrong or missing parameter values'))
return
parent = self.parentCombo.itemData(self.parentCombo.currentIndex())
self.param = ParameterTableField(name, description, parent)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_RASTER or \
isinstance(self.param, ParameterRaster):
self.param = ParameterRaster(name, description,
self.yesNoCombo.currentIndex() == 1)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_TABLE or \
isinstance(self.param, ParameterTable):
self.param = ParameterTable(name, description,
self.yesNoCombo.currentIndex() == 1)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_VECTOR or \
isinstance(self.param, ParameterVector):
self.param = ParameterVector(
name, description, [self.shapetypeCombo.currentIndex() - 1],
self.yesNoCombo.currentIndex() == 1)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_MULTIPLE or \
isinstance(self.param, ParameterMultipleInput):
self.param = ParameterMultipleInput(
name, description,
self.datatypeCombo.currentIndex() - 1,
self.yesNoCombo.currentIndex() == 1)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_NUMBER or \
isinstance(self.param, ParameterNumber):
try:
vmin = unicode(self.minTextBox.text()).strip()
if vmin == '':
vmin = None
else:
vmin = float(vmin)
vmax = unicode(self.maxTextBox.text()).strip()
if vmax == '':
vmax = None
else:
vmax = float(vmax)
self.param = ParameterNumber(
name, description, vmin, vmax,
unicode(self.defaultTextBox.text()))
except:
QMessageBox.warning(
self, self.tr('Unable to define parameter'),
self.tr('Wrong or missing parameter values'))
return
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_STRING or \
isinstance(self.param, ParameterString):
self.param = ParameterString(name, description,
unicode(self.defaultTextBox.text()))
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_EXTENT or \
isinstance(self.param, ParameterExtent):
self.param = ParameterExtent(name, description)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_FILE or \
isinstance(self.param, ParameterFile):
isFolder = self.fileFolderCombo.currentIndex() == 1
self.param = ParameterFile(name, description, isFolder=isFolder)
elif self.paramType == ModelerParameterDefinitionDialog.PARAMETER_POINT or \
isinstance(self.param, ParameterPoint):
self.param = ParameterPoint(name, description,
unicode(self.defaultTextBox.text()))
self.param.optional = self.yesNoCombo.currentIndex() == 1
self.close()
def cancelPressed(self):
self.param = None
self.close()
def setupUi(self):
self.labels = {}
self.widgets = {}
self.checkBoxes = {}
self.showAdvanced = False
self.valueItems = {}
self.dependentItems = {}
self.resize(650, 450)
self.buttonBox = QDialogButtonBox()
self.buttonBox.setOrientation(Qt.Horizontal)
self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
| QDialogButtonBox.Ok)
tooltips = self._alg.getParameterDescriptions()
self.setSizePolicy(QSizePolicy.Expanding,
QSizePolicy.Expanding)
self.verticalLayout = QVBoxLayout()
self.verticalLayout.setSpacing(5)
self.verticalLayout.setMargin(20)
hLayout = QHBoxLayout()
hLayout.setSpacing(5)
hLayout.setMargin(0)
descriptionLabel = QLabel(self.tr("Description"))
self.descriptionBox = QLineEdit()
self.descriptionBox.setText(self._alg.name)
hLayout.addWidget(descriptionLabel)
hLayout.addWidget(self.descriptionBox)
self.verticalLayout.addLayout(hLayout)
line = QFrame()
line.setFrameShape(QFrame.HLine)
line.setFrameShadow(QFrame.Sunken)
self.verticalLayout.addWidget(line)
for param in self._alg.parameters:
if param.isAdvanced:
self.advancedButton = QPushButton()
self.advancedButton.setText(self.tr('Show advanced parameters'))
self.advancedButton.clicked.connect(
self.showAdvancedParametersClicked)
advancedButtonHLayout = QHBoxLayout()
advancedButtonHLayout.addWidget(self.advancedButton)
advancedButtonHLayout.addStretch()
self.verticalLayout.addLayout(advancedButtonHLayout)
break
for param in self._alg.parameters:
if param.hidden:
continue
desc = param.description
if isinstance(param, ParameterExtent):
desc += self.tr('(xmin, xmax, ymin, ymax)')
if isinstance(param, ParameterPoint):
desc += self.tr('(x, y)')
label = QLabel(desc)
self.labels[param.name] = label
widget = self.getWidgetFromParameter(param)
self.valueItems[param.name] = widget
if param.name in tooltips.keys():
tooltip = tooltips[param.name]
else:
tooltip = param.description
label.setToolTip(tooltip)
widget.setToolTip(tooltip)
if param.isAdvanced:
label.setVisible(self.showAdvanced)
widget.setVisible(self.showAdvanced)
self.widgets[param.name] = widget
self.verticalLayout.addWidget(label)
self.verticalLayout.addWidget(widget)
for output in self._alg.outputs:
if output.hidden:
continue
if isinstance(output, (OutputRaster, OutputVector, OutputTable,
OutputHTML, OutputFile, OutputDirectory)):
label = QLabel(output.description + '<'
+ output.__class__.__name__ + '>')
item = QLineEdit()
if hasattr(item, 'setPlaceholderText'):
item.setPlaceholderText(ModelerParametersDialog.ENTER_NAME)
self.verticalLayout.addWidget(label)
self.verticalLayout.addWidget(item)
self.valueItems[output.name] = item
label = QLabel(' ')
self.verticalLayout.addWidget(label)
label = QLabel(self.tr('Parent algorithms'))
self.dependenciesPanel = self.getDependenciesPanel()
self.verticalLayout.addWidget(label)
self.verticalLayout.addWidget(self.dependenciesPanel)
self.verticalLayout.addStretch(1000)
self.setLayout(self.verticalLayout)
self.setPreviousValues()
self.setWindowTitle(self._alg.name)
self.verticalLayout2 = QVBoxLayout()
self.verticalLayout2.setSpacing(2)
self.verticalLayout2.setMargin(0)
self.tabWidget = QTabWidget()
self.tabWidget.setMinimumWidth(300)
self.paramPanel = QWidget()
self.paramPanel.setLayout(self.verticalLayout)
self.scrollArea = QScrollArea()
self.scrollArea.setWidget(self.paramPanel)
self.scrollArea.setWidgetResizable(True)
self.tabWidget.addTab(self.scrollArea, self.tr('Parameters'))
self.webView = QWebView()
html = None
url = None
isText, help = self._alg.help()
if help is not None:
if isText:
html = help
else:
url = QUrl(help)
else:
html = self.tr('<h2>Sorry, no help is available for this '
'algorithm.</h2>')
try:
if html:
self.webView.setHtml(html)
elif url:
self.webView.load(url)
except:
self.webView.setHtml(self.tr('<h2>Could not open help file :-( </h2>'))
self.tabWidget.addTab(self.webView, 'Help')
self.verticalLayout2.addWidget(self.tabWidget)
self.verticalLayout2.addWidget(self.buttonBox)
self.setLayout(self.verticalLayout2)
self.buttonBox.accepted.connect(self.okPressed)
self.buttonBox.rejected.connect(self.cancelPressed)
QMetaObject.connectSlotsByName(self)
class ModelerParametersDialog(QDialog):
ENTER_NAME = '[Enter name if this is a final result]'
NOT_SELECTED = '[Not selected]'
USE_MIN_COVERING_EXTENT = '[Use min covering extent]'
def __init__(self, alg, model, algName=None):
QDialog.__init__(self)
self.setModal(True)
#The algorithm to define in this dialog. It is an instance of GeoAlgorithm
self._alg = alg
#The resulting algorithm after the user clicks on OK. it is an instance of the container Algorithm class
self.alg = None
#The model this algorithm is going to be added to
self.model = model
#The name of the algorithm in the model, in case we are editing it and not defining it for the first time
self._algName = algName
self.setupUi()
self.params = None
def setupUi(self):
self.labels = {}
self.widgets = {}
self.checkBoxes = {}
self.showAdvanced = False
self.valueItems = {}
self.dependentItems = {}
self.resize(650, 450)
self.buttonBox = QDialogButtonBox()
self.buttonBox.setOrientation(Qt.Horizontal)
self.buttonBox.setStandardButtons(QDialogButtonBox.Cancel
| QDialogButtonBox.Ok)
tooltips = self._alg.getParameterDescriptions()
self.setSizePolicy(QSizePolicy.Expanding,
QSizePolicy.Expanding)
self.verticalLayout = QVBoxLayout()
self.verticalLayout.setSpacing(5)
self.verticalLayout.setMargin(20)
hLayout = QHBoxLayout()
hLayout.setSpacing(5)
hLayout.setMargin(0)
descriptionLabel = QLabel(self.tr("Description"))
self.descriptionBox = QLineEdit()
self.descriptionBox.setText(self._alg.name)
hLayout.addWidget(descriptionLabel)
hLayout.addWidget(self.descriptionBox)
self.verticalLayout.addLayout(hLayout)
line = QFrame()
line.setFrameShape(QFrame.HLine)
line.setFrameShadow(QFrame.Sunken)
self.verticalLayout.addWidget(line)
for param in self._alg.parameters:
if param.isAdvanced:
self.advancedButton = QPushButton()
self.advancedButton.setText(self.tr('Show advanced parameters'))
self.advancedButton.clicked.connect(
self.showAdvancedParametersClicked)
advancedButtonHLayout = QHBoxLayout()
advancedButtonHLayout.addWidget(self.advancedButton)
advancedButtonHLayout.addStretch()
self.verticalLayout.addLayout(advancedButtonHLayout)
break
for param in self._alg.parameters:
if param.hidden:
continue
desc = param.description
if isinstance(param, ParameterExtent):
desc += self.tr('(xmin, xmax, ymin, ymax)')
if isinstance(param, ParameterPoint):
desc += self.tr('(x, y)')
label = QLabel(desc)
self.labels[param.name] = label
widget = self.getWidgetFromParameter(param)
self.valueItems[param.name] = widget
if param.name in tooltips.keys():
tooltip = tooltips[param.name]
else:
tooltip = param.description
label.setToolTip(tooltip)
widget.setToolTip(tooltip)
if param.isAdvanced:
label.setVisible(self.showAdvanced)
widget.setVisible(self.showAdvanced)
self.widgets[param.name] = widget
self.verticalLayout.addWidget(label)
self.verticalLayout.addWidget(widget)
for output in self._alg.outputs:
if output.hidden:
continue
if isinstance(output, (OutputRaster, OutputVector, OutputTable,
OutputHTML, OutputFile, OutputDirectory)):
label = QLabel(output.description + '<'
+ output.__class__.__name__ + '>')
item = QLineEdit()
if hasattr(item, 'setPlaceholderText'):
item.setPlaceholderText(ModelerParametersDialog.ENTER_NAME)
self.verticalLayout.addWidget(label)
self.verticalLayout.addWidget(item)
self.valueItems[output.name] = item
label = QLabel(' ')
self.verticalLayout.addWidget(label)
label = QLabel(self.tr('Parent algorithms'))
self.dependenciesPanel = self.getDependenciesPanel()
self.verticalLayout.addWidget(label)
self.verticalLayout.addWidget(self.dependenciesPanel)
self.verticalLayout.addStretch(1000)
self.setLayout(self.verticalLayout)
self.setPreviousValues()
self.setWindowTitle(self._alg.name)
self.verticalLayout2 = QVBoxLayout()
self.verticalLayout2.setSpacing(2)
self.verticalLayout2.setMargin(0)
self.tabWidget = QTabWidget()
self.tabWidget.setMinimumWidth(300)
self.paramPanel = QWidget()
self.paramPanel.setLayout(self.verticalLayout)
self.scrollArea = QScrollArea()
self.scrollArea.setWidget(self.paramPanel)
self.scrollArea.setWidgetResizable(True)
self.tabWidget.addTab(self.scrollArea, self.tr('Parameters'))
self.webView = QWebView()
html = None
url = None
isText, help = self._alg.help()
if help is not None:
if isText:
html = help
else:
url = QUrl(help)
else:
html = self.tr('<h2>Sorry, no help is available for this '
'algorithm.</h2>')
try:
if html:
self.webView.setHtml(html)
elif url:
self.webView.load(url)
except:
self.webView.setHtml(self.tr('<h2>Could not open help file :-( </h2>'))
self.tabWidget.addTab(self.webView, 'Help')
self.verticalLayout2.addWidget(self.tabWidget)
self.verticalLayout2.addWidget(self.buttonBox)
self.setLayout(self.verticalLayout2)
self.buttonBox.accepted.connect(self.okPressed)
self.buttonBox.rejected.connect(self.cancelPressed)
QMetaObject.connectSlotsByName(self)
def getAvailableDependencies(self):
if self._algName is None:
dependent = []
else:
dependent = self.model.getDependentAlgorithms(self._algName)
opts = []
for alg in self.model.algs.values():
if alg.name not in dependent:
opts.append(alg)
return opts
def getDependenciesPanel(self):
return MultipleInputPanel([alg.algorithm.name for alg in self.getAvailableDependencies()])
def showAdvancedParametersClicked(self):
self.showAdvanced = not self.showAdvanced
if self.showAdvanced:
self.advancedButton.setText(self.tr('Hide advanced parameters'))
else:
self.advancedButton.setText(self.tr('Show advanced parameters'))
for param in self._alg.parameters:
if param.isAdvanced:
self.labels[param.name].setVisible(self.showAdvanced)
self.widgets[param.name].setVisible(self.showAdvanced)
def getAvailableValuesOfType(self, paramType, outType=None):
values = []
inputs = self.model.inputs
for i in inputs.values():
param = i.param
if isinstance(param, paramType):
values.append(ValueFromInput(param.name))
if outType is None:
return values
if self._algName is None:
dependent = []
else:
dependent = self.model.getDependentAlgorithms(self._algName)
for alg in self.model.algs.values():
if alg.name not in dependent:
for out in alg.algorithm.outputs:
if isinstance(out, outType):
values.append(ValueFromOutput(alg.name, out.name))
return values
def resolveValueDescription(self, value):
if isinstance(value, ValueFromInput):
return self.model.inputs[value.name].param.description
else:
alg = self.model.algs[value.alg]
return self.tr("'%s' from algorithm '%s'") % (alg.algorithm.getOutputFromName(value.output).description, alg.description)
def getWidgetFromParameter(self, param):
if isinstance(param, ParameterRaster):
item = QComboBox()
layers = self.getAvailableValuesOfType(ParameterRaster, OutputRaster)
if param.optional:
item.addItem(self.NOT_SELECTED, None)
for layer in layers:
item.addItem(self.resolveValueDescription(layer), layer)
elif isinstance(param, ParameterVector):
item = QComboBox()
layers = self.getAvailableValuesOfType(ParameterVector, OutputVector)
if param.optional:
item.addItem(self.NOT_SELECTED, None)
for layer in layers:
item.addItem(self.resolveValueDescription(layer), layer)
elif isinstance(param, ParameterTable):
item = QComboBox()
tables = self.getAvailableValuesOfType(ParameterTable, OutputTable)
layers = self.getAvailableValuesOfType(ParameterVector, OutputVector)
if param.optional:
item.addItem(self.NOT_SELECTED, None)
for table in tables:
item.addItem(self.resolveValueDescription(table), table)
for layer in layers:
item.addItem(self.resolveValueDescription(layer), layer)
elif isinstance(param, ParameterBoolean):
item = QComboBox()
item.addItem('Yes')
item.addItem('No')
bools = self.getAvailableValuesOfType(ParameterBoolean, None)
for b in bools:
item.addItem(self.resolveValueDescription(b), b)
if param.default:
item.setCurrentIndex(0)
else:
item.setCurrentIndex(1)
elif isinstance(param, ParameterSelection):
item = QComboBox()
item.addItems(param.options)
item.setCurrentIndex(param.default or 1)
elif isinstance(param, ParameterFixedTable):
item = FixedTablePanel(param)
elif isinstance(param, ParameterRange):
item = RangePanel(param)
elif isinstance(param, ParameterMultipleInput):
if param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
options = self.getAvailableValuesOfType(ParameterVector, OutputVector)
else:
options = self.getAvailableValuesOfType(ParameterRaster, OutputRaster)
opts = []
for opt in options:
opts.append(self.resolveValueDescription(opt))
item = MultipleInputPanel(opts)
elif isinstance(param, ParameterString):
strings = self.getAvailableValuesOfType(ParameterString, OutputString)
options = [(self.resolveValueDescription(s), s) for s in strings]
if param.multiline:
item = MultilineTextPanel(options)
item.setText(unicode(param.default or ""))
else:
item = QComboBox()
item.setEditable(True)
for desc, val in options:
item.addItem(desc, val)
item.setEditText(unicode(param.default or ""))
elif isinstance(param, ParameterTableField):
item = QComboBox()
item.setEditable(True)
fields = self.getAvailableValuesOfType(ParameterTableField, None)
for f in fields:
item.addItem(self.resolveValueDescription(f), f)
elif isinstance(param, ParameterNumber):
item = QComboBox()
item.setEditable(True)
numbers = self.getAvailableValuesOfType(ParameterNumber, OutputNumber)
for n in numbers:
item.addItem(self.resolveValueDescription(n), n)
item.setEditText(unicode(param.default))
elif isinstance(param, ParameterCrs):
item = CrsSelectionPanel(param.default)
elif isinstance(param, ParameterExtent):
item = QComboBox()
item.setEditable(True)
extents = self.getAvailableValuesOfType(ParameterExtent, OutputExtent)
if self.canUseAutoExtent():
item.addItem(self.USE_MIN_COVERING_EXTENT, None)
for ex in extents:
item.addItem(self.resolveValueDescription(ex), ex)
if not self.canUseAutoExtent():
item.setEditText(unicode(param.default))
elif isinstance(param, ParameterPoint):
item = QComboBox()
item.setEditable(True)
points = self.getAvailableValuesOfType(ParameterPoint)
for p in points:
item.addItem(self.resolveValueDescription(p), p)
item.setEditText(unicode(param.default))
elif isinstance(param, ParameterFile):
item = QComboBox()
item.setEditable(True)
files = self.getAvailableValuesOfType(ParameterFile, OutputFile)
for f in files:
item.addItem(self.resolveValueDescription(f), f)
elif isinstance(param, ParameterGeometryPredicate):
item = GeometryPredicateSelectionPanel(param.enabledPredicates)
else:
item = QLineEdit()
try:
item.setText(unicode(param.default))
except:
pass
return item
def canUseAutoExtent(self):
for param in self._alg.parameters:
if isinstance(param, (ParameterRaster, ParameterVector, ParameterMultipleInput)):
return True
return False
def setTableContent(self):
params = self._alg.parameters
outputs = self._alg.outputs
visibleParams = [p for p in params if not p.hidden]
visibleOutputs = [p for o in outputs if not o.hidden]
self.tableWidget.setRowCount(len(visibleParams) + len(visibleOutputs))
for i, param in visibleParams:
item = QTableWidgetItem(param.description)
item.setFlags(Qt.ItemIsEnabled)
self.tableWidget.setItem(i, 0, item)
item = self.getWidgetFromParameter(param)
self.valueItems[param.name] = item
self.tableWidget.setCellWidget(i, 1, item)
self.tableWidget.setRowHeight(i, 22)
for i, output in visibleOutputs:
item = QTableWidgetItem(output.description + '<'
+ output.__module__.split('.')[-1] + '>')
item.setFlags(Qt.ItemIsEnabled)
self.tableWidget.setItem(i, 0, item)
item = QLineEdit()
if hasattr(item, 'setPlaceholderText'):
item.setPlaceholderText(ModelerParametersDialog.ENTER_NAME)
self.valueItems[output.name] = item
self.tableWidget.setCellWidget(i, 1, item)
self.tableWidget.setRowHeight(i, 22)
def setComboBoxValue(self, combo, value, param):
if isinstance(value, list):
value = value[0]
items = [combo.itemData(i) for i in range(combo.count())]
try:
idx = items.index(value)
combo.setCurrentIndex(idx)
return
except ValueError:
pass
if combo.isEditable():
if value is not None:
combo.setEditText(unicode(value))
elif isinstance(param, ParameterSelection):
combo.setCurrentIndex(int(value))
elif isinstance(param, ParameterBoolean):
if value:
combo.setCurrentIndex(0)
else:
combo.setCurrentIndex(1)
def setPreviousValues(self):
if self._algName is not None:
alg = self.model.algs[self._algName]
self.descriptionBox.setText(alg.description)
for param in alg.algorithm.parameters:
if param.hidden:
continue
widget = self.valueItems[param.name]
if param.name in alg.params:
value = alg.params[param.name]
else:
value = None
if isinstance(param, (
ParameterRaster,
ParameterVector,
ParameterTable,
ParameterTableField,
ParameterSelection,
ParameterNumber,
ParameterBoolean,
ParameterExtent,
ParameterFile,
ParameterPoint
)):
self.setComboBoxValue(widget, value, param)
elif isinstance(param, ParameterString):
if param.multiline:
widget.setValue(value)
else:
self.setComboBoxValue(widget, value, param)
elif isinstance(param, ParameterCrs):
widget.setAuthId(value)
elif isinstance(param, ParameterFixedTable):
pass # TODO!
elif isinstance(param, ParameterMultipleInput):
if param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
options = self.getAvailableValuesOfType(ParameterVector, OutputVector)
else:
options = self.getAvailableValuesOfType(ParameterRaster, OutputRaster)
selected = []
for i, opt in enumerate(options):
if opt in value:
selected.append(i)
widget.setSelectedItems(selected)
elif isinstance(param, ParameterGeometryPredicate):
widget.setValue(value)
for name, out in alg.outputs.iteritems():
widget = self.valueItems[name].setText(out.description)
selected = []
dependencies = self.getAvailableDependencies()
for idx, dependency in enumerate(dependencies):
if dependency.name in alg.dependencies:
selected.append(idx)
self.dependenciesPanel.setSelectedItems(selected)
def createAlgorithm(self):
alg = Algorithm(self._alg.commandLineName())
alg.setName(self.model)
alg.description = self.descriptionBox.text()
params = self._alg.parameters
outputs = self._alg.outputs
for param in params:
if param.hidden:
continue
if not self.setParamValue(alg, param, self.valueItems[param.name]):
return None
for output in outputs:
if not output.hidden:
name = unicode(self.valueItems[output.name].text())
if name.strip() != '' and name != ModelerParametersDialog.ENTER_NAME:
alg.outputs[output.name] = ModelerOutput(name)
selectedOptions = self.dependenciesPanel.selectedoptions
availableDependencies = self.getAvailableDependencies()
for selected in selectedOptions:
alg.dependencies.append(availableDependencies[selected].name)
return alg
def setParamValueLayerOrTable(self, alg, param, widget):
idx = widget.currentIndex()
if idx < 0:
return False
else:
value = widget.itemData(widget.currentIndex())
alg.params[param.name] = value
return True
def setParamTableFieldValue(self, alg, param, widget):
idx = widget.findText(widget.currentText())
if idx < 0:
s = unicode(widget.currentText()).strip()
if s == '':
if param.optional:
alg.params[param.name] = None
return True
else:
return False
else:
alg.params[param.name] = s
return True
else:
alg.params[param.name] = widget.itemData(widget.currentIndex())
return True
def setParamStringValue(self, alg, param, widget):
if param.multiline:
value = widget.getValue()
option = widget.getOption()
if option == MultilineTextPanel.USE_TEXT:
if value == '':
if param.optional:
alg.params[param.name] = None
return True
else:
return False
else:
alg.params[param.name] = value
else:
alg.params[param.name] = value
else:
idx = widget.findText(widget.currentText())
if idx < 0:
value = widget.currentText().strip()
if value == '':
if param.optional:
alg.params[param.name] = None
return True
else:
return False
else:
alg.params[param.name] = value
else:
alg.params[param.name] = widget.itemData(widget.currentIndex())
return True
def setParamFileValue(self, alg, param, widget):
idx = widget.findText(widget.currentText())
if idx < 0:
value = widget.currentText()
else:
value = widget.itemData(widget.currentIndex())
alg.params[param.name] = value
return True
def setParamNumberValue(self, alg, param, widget):
idx = widget.findText(widget.currentText())
if idx < 0:
s = widget.currentText().strip()
if s:
try:
value = float(s)
except:
return False
elif param.optional:
value = None
else:
return False
else:
value = widget.itemData(widget.currentIndex())
alg.params[param.name] = value
return True
def setParamExtentValue(self, alg, param, widget):
idx = widget.findText(widget.currentText())
if idx < 0:
s = unicode(widget.currentText()).strip()
if s:
try:
tokens = s.split(',')
if len(tokens) != 4:
return False
for token in tokens:
float(token)
except:
return False
elif param.optional:
s = None
else:
return False
alg.params[param.name] = [s]
else:
value = widget.itemData(widget.currentIndex())
alg.params[param.name] = value
return True
def setParamPointValue(self, alg, param, widget):
idx = widget.findText(widget.currentText())
if idx < 0:
s = unicode(widget.currentText()).strip()
if s:
try:
tokens = s.split(',')
if len(tokens) != 2:
return False
for token in tokens:
float(token)
except:
return False
elif param.optional:
s = None
else:
return False
alg.params[param.name] = [s]
else:
value = widget.itemData(widget.currentIndex())
alg.params[param.name] = value
return True
def setParamValue(self, alg, param, widget):
if isinstance(param, (ParameterRaster, ParameterVector,
ParameterTable)):
return self.setParamValueLayerOrTable(alg, param, widget)
elif isinstance(param, ParameterBoolean):
if widget.currentIndex() < 2:
value = widget.currentIndex() == 0
else:
value = widget.itemData(widget.currentIndex())
alg.params[param.name] = value
return True
elif isinstance(param, ParameterString):
return self.setParamStringValue(alg, param, widget)
elif isinstance(param, ParameterNumber):
return self.setParamNumberValue(alg, param, widget)
elif isinstance(param, ParameterExtent):
return self.setParamExtentValue(alg, param, widget)
elif isinstance(param, ParameterPoint):
return self.setParamPointValue(alg, param, widget)
elif isinstance(param, ParameterFile):
return self.setParamFileValue(alg, param, widget)
elif isinstance(param, ParameterSelection):
alg.params[param.name] = widget.currentIndex()
return True
elif isinstance(param, ParameterRange):
alg.params[param.name] = widget.getValue()
return True
elif isinstance(param, ParameterCrs):
authid = widget.getValue()
if authid is None and not param.optional:
return False
alg.params[param.name] = authid
return True
elif isinstance(param, ParameterFixedTable):
table = widget.table
if not bool(table) and not param.optional:
return False
alg.params[param.name] = ParameterFixedTable.tableToString(table)
return True
elif isinstance(param, ParameterTableField):
return self.setParamTableFieldValue(alg, param, widget)
elif isinstance(param, ParameterMultipleInput):
if param.datatype == ParameterMultipleInput.TYPE_VECTOR_ANY:
options = self.getAvailableValuesOfType(ParameterVector, OutputVector)
else:
options = self.getAvailableValuesOfType(ParameterRaster, OutputRaster)
values = [options[i] for i in widget.selectedoptions]
if len(values) == 0 and not param.optional:
return False
alg.params[param.name] = values
return True
elif isinstance(param, ParameterGeometryPredicate):
alg.params[param.name] = widget.value()
return True
else:
alg.params[param.name] = unicode(widget.text())
return True
def okPressed(self):
self.alg = self.createAlgorithm()
if self.alg is not None:
self.close()
else:
QMessageBox.warning(self, self.tr('Unable to add algorithm'),
self.tr('Wrong or missing parameter values'))
def cancelPressed(self):
self.alg = None
self.close()
