class FormWidget(ui_formwidget.Ui_Form, WidgetBase):
def __init__(self, parent=None):
super(FormWidget, self).__init__(parent)
self.setupUi(self)
self.form = None
self.iconlabel.mouseReleaseEvent = self.change_icon
self._currentwidgetid = ''
self.fieldsmodel = QgsFieldModel()
self.widgetmodel = WidgetsModel()
self.widgetmodel.rowsMoved.connect(self._widget_moved)
self.possiblewidgetsmodel = QStandardItemModel()
self.formlayersmodel = QgsLayerModel(watchregistry=True)
self.formlayers = CaptureLayerFilter()
self.formlayers.setSourceModel(self.formlayersmodel)
self.layerCombo.setModel(self.formlayers)
self.useablewidgets.setModel(self.possiblewidgetsmodel)
self.fieldList.setModel(self.fieldsmodel)
self.userwidgets.setModel(self.widgetmodel)
self.userwidgets.selectionModel().currentChanged.connect(self.load_widget)
self.widgetmodel.rowsRemoved.connect(self.set_widget_config_state)
self.widgetmodel.rowsInserted.connect(self.set_widget_config_state)
self.widgetmodel.modelReset.connect(self.set_widget_config_state)
self.addWidgetButton.pressed.connect(self.newwidget)
self.addSectionButton.pressed.connect(self.add_section)
self.removeWidgetButton.pressed.connect(self.removewidget)
self.formfolderLabel.linkActivated.connect(self.openformfolder)
self.expressionButton.clicked.connect(self.opendefaultexpression)
self.expressionButton_2.clicked.connect(self.opendefaultexpression_advanced)
self.fieldList.currentIndexChanged.connect(self.updatewidgetname)
self.fieldwarninglabel.hide()
self.formtab.currentChanged.connect(self.formtabchanged)
for item, data in readonlyvalues:
self.readonlyCombo.addItem(item, data)
for item, data in defaultevents:
self.defaultEventsCombo.addItem(item, data)
self.loadwidgettypes()
self.formLabelText.textChanged.connect(self.form_name_changed)
self.newStyleCheck.stateChanged.connect(self.form_style_changed)
self.layerCombo.currentIndexChanged.connect(self.layer_updated)
# Gross but ok for now.
self.blockWidgets = [
self.fieldList,
self.nameText,
self.sectionNameText,
self.useablewidgets,
self.hiddenCheck,
self.requiredCheck,
self.readonlyCombo,
self.defaultEventsCombo,
self.defaultvalueText,
self.defaultLayerCombo,
self.defaultFieldCombo,
self.defaultValueExpression,
self.savevalueCheck
]
for widget in self.blockWidgets:
self._connect_save_event(widget)
self.blockWidgetSignels(True)
self.useablewidgets.currentIndexChanged.connect(self.swapwidgetconfig)
menu = QMenu("Field Actions")
action = menu.addAction("Auto add all fields")
action.triggered.connect(self.auto_add_fields)
self.addWidgetButton.setMenu(menu)
self.addWidgetButton.setPopupMode(QToolButton.MenuButtonPopup)
self.defaultLayerCombo.layerChanged.connect(self.defaultFieldCombo.setLayer)
self.addEvent.pressed.connect(self.addEventItem)
self.btnDeleteForm.pressed.connect(ConfigEvents.deleteForm.emit)
def _widget_moved(self, sourceParent, start, end, destParent, destRow):
index = self.widgetmodel.index(destRow, 0, destParent)
self.userwidgets.setCurrentIndex(index)
def on_closing(self):
self.blockWidgetSignels(True)
def unload_project(self):
self.blockWidgetSignels(True)
def _connect_save_event(self, widget):
if hasattr(widget, "textChanged"):
widget.textChanged.connect(self._save_current_widget)
if hasattr(widget, "currentIndexChanged"):
widget.currentIndexChanged.connect(self._save_current_widget)
if hasattr(widget, "stateChanged"):
widget.stateChanged.connect(self._save_current_widget)
def change_icon(self, *args):
"""
Change the icon for the form
"""
icon, _ = QFileDialog.getOpenFileName(self, "Select form icon image", filter="Images (*.png *.svg)")
if not icon:
return
ext = os.path.splitext(icon)[1]
shutil.copy(icon, os.path.join(self.form.folder, "icon" + ext))
self.set_icon(self.form.icon)
self.treenode.emitDataChanged()
def set_icon(self, path):
"""
Set the forms icon preview
:param path: The path to icon.
"""
pixmap = QPixmap(path)
w = self.iconlabel.width()
h = self.iconlabel.height()
self.iconlabel.setPixmap(pixmap.scaled(w, h, Qt.KeepAspectRatio))
def layer_updated(self, index):
"""
Called when the forms layer has changed.
:param index: The index of the new layer.
"""
if not self.selected_layer:
return
self.updatefields(self.selected_layer)
def form_style_changed(self, newstyle):
"""
Called when the form style has changed from label-above style to label-beside style.
:param newstyle: True if to use the new label-above style forms.
"""
self.form.settings['newstyle'] = newstyle
self.treenode.emitDataChanged()
def form_name_changed(self, text):
"""
Called when the forms name has changed. Also updates the tree view to reflect the new name.
:param text: The new text of the label.
:return:
"""
self.form.settings['label'] = text
self.treenode.emitDataChanged()
def updatewidgetname(self, index):
"""
Update the widget name if the field has changed. Doesn't change the name if it has been user set already.
:param index: index of the new field.
"""
# Only change the edit text on name field if it's not already set to something other then the
# field name.
field = self.fieldsmodel.index(index, 0).data(QgsFieldModel.FieldNameRole)
currenttext = self.nameText.text()
foundfield = self.fieldsmodel.findfield(currenttext)
if foundfield:
self.nameText.setText(field)
def opendefaultexpression_advanced(self):
"""
Open the default expression builder for setting advanced default values based on QGIS Expressions.
"""
layer = self.form.QGISLayer
dlg = QgsExpressionBuilderDialog(layer, "Create default value expression", self)
text = self.defaultValueExpression.text()
dlg.setExpressionText(text)
if dlg.exec_():
self.defaultValueExpression.setText(dlg.expressionText())
def opendefaultexpression(self):
"""
Open the default expression builder for setting default values based on QGIS Expressions.
"""
layer = self.form.QGISLayer
dlg = QgsExpressionBuilderDialog(layer, "Create default value expression", self)
text = self.defaultvalueText.text().strip('[%').strip('%]').strip()
dlg.setExpressionText(text)
if dlg.exec_():
self.defaultvalueText.setText('[% {} %]'.format(dlg.expressionText()))
def formtabchanged(self, index):
"""
Called when the tab widget changes tab. Normally used to control when to render the form preview on demand.
:param index: The index of the new tab.
"""
# Don't generate the form preview if we are not on the preview tab.
if index == 3:
self.generate_form_preview()
def generate_form_preview(self):
"""
Create the form preview to show to the user.
"""
form = self.form.copy()
form.settings['widgets'] = list(self.widgetmodel.widgets())
item = self.frame_2.layout().itemAt(0)
if item and item.widget():
item.widget().setParent(None)
featureform = FeatureForm.from_form(form, form.settings, None, {})
from roam import defaults
defaultwidgets = form.widgetswithdefaults()
layer = form.QGISLayer
try:
values = {}
feature = next(layer.getFeatures())
defaultvalues = defaults.default_values(defaultwidgets, feature, layer)
values.update(defaultvalues)
featureform.bindvalues(values)
except StopIteration:
pass
self.frame_2.layout().addWidget(featureform)
def usedfields(self):
"""
Return the list of fields that have been used by the the current form's widgets
"""
widgets = self.widgetmodel.widgets()
for widget in widgets:
if 'field' in widget:
yield widget['field']
def openformfolder(self, url):
"""
Open the form folder using the OS file manager.
:param url:
:return:
"""
QDesktopServices.openUrl(QUrl.fromLocalFile(self.form.folder))
def loadwidgettypes(self):
"""
Load all supported widgets into the combobox for the form designer.
:return:
"""
self.useablewidgets.blockSignals(True)
for widgettype in roam.editorwidgets.core.supportedwidgets():
try:
configclass = configmanager.editorwidgets.widgetconfigs[widgettype]
except KeyError:
continue
configwidget = configclass()
item = QStandardItem(widgettype)
item.setData(configwidget, Qt.UserRole)
item.setData(widgettype, Qt.UserRole + 1)
item.setIcon(widgeticon(widgettype))
self.useablewidgets.model().appendRow(item)
self.widgetstack.addWidget(configwidget)
self.useablewidgets.blockSignals(False)
def set_widget_config_state(self, *args):
"""
Enable or disable the widget config section based on widget count
:param args: Unused.
:return:
"""
haswidgets = self.widgetmodel.rowCount() > 0
self.widgetConfigTabs.setEnabled(haswidgets)
def add_section(self):
"""
Add a new widget section into the form. Widget sections can be used to group
widgets on the form together.
"""
currentindex = self.userwidgets.currentIndex()
widget = {"widget": "Section",
"name": "default"}
index = self.widgetmodel.addwidget(widget, currentindex.parent())
self.userwidgets.setCurrentIndex(index)
def newwidget(self, field=None):
"""
Create a new widget. Tries to match the field type to the right kind of widget as a best guess.
"""
mapping = {QVariant.String: "Text",
QVariant.Int: "Number",
QVariant.Double: "Number(Double)",
QVariant.ByteArray: "Image",
QVariant.Date: "Date",
QVariant.DateTime: "Date"}
widget = {}
if not field:
field = self.fieldsmodel.index(0, 0).data(Qt.UserRole)
if not field:
return
widget['field'] = field.name()
else:
widget['field'] = field.name()
try:
widget['widget'] = mapping[field.type()]
except KeyError:
widget['widget'] = 'Text'
# Grab the first field.
widget['name'] = field.name().replace("_", " ").title()
currentindex = self.userwidgets.currentIndex()
currentitem = self.widgetmodel.itemFromIndex(currentindex)
if currentitem and currentitem.iscontainor():
parent = currentindex
else:
parent = currentindex.parent()
index = self.widgetmodel.addwidget(widget, parent)
self.userwidgets.setCurrentIndex(index)
def auto_add_fields(self):
"""
Auto add all fields to the form config. Any missing fields will be added.
"""
used = list(self.usedfields())
if not self.selected_layer:
return
for field in self.selected_layer.fields():
if field.name().lower() in used:
continue
self.newwidget(field)
def removewidget(self):
"""
Remove the selected widget from the widgets list
"""
widget, index = self.currentuserwidget
if index.isValid():
self.widgetmodel.removeRow(index.row(), index.parent())
def set_project(self, project, treenode):
"""
Set the project for this widget also sets the form from the tree node.
:note: This method is called from the parent node when the page and widget is loaded.
:param project: The current project.j
:param treenode: The current tree node. Can be used to signel a update back to the tree for it to update it
self.
"""
roam.utils.debug("FormWidget: Set Project")
self.blockWidgetSignels(True)
super(FormWidget, self).set_project(project, treenode)
self.formlayers.setSelectLayers(self.project.selectlayers)
form = self.treenode.form
self.form = form
self.setform(self.form)
self.blockWidgetSignels(False)
def blockWidgetSignels(self, blocking):
for widget in self.blockWidgets:
widget.blockSignals(blocking)
def updatefields(self, layer):
"""
Update the UI with the fields for the selected layer.
"""
self.fieldsmodel.setLayer(layer)
def setform(self, form):
"""
Update the UI with the currently selected form.
"""
def getfirstlayer():
"""
Get the first layer from the forms layer combo box
"""
index = self.formlayers.index(0, 0)
layer = index.data(Qt.UserRole)
layer = layer.name()
return layer
def loadwidgets(widget):
"""
Load the widgets into widgets model
"""
self.widgetmodel.clear()
self.widgetmodel.loadwidgets(form.widgets)
def findlayer(layername):
"""
Find the layer with the same name in the layer combobox widget
"""
index = self.formlayersmodel.findlayer(layername)
index = self.formlayers.mapFromSource(index)
layer = index.data(Qt.UserRole)
return index, layer
settings = form.settings
label = form.label
layername = settings.setdefault('layer', getfirstlayer())
layerindex, layer = findlayer(layername)
if not layer or not layerindex.isValid():
return
formtype = settings.setdefault('type', 'auto')
widgets = settings.setdefault('widgets', [])
newstyleform = settings.setdefault('newstyle', True)
self.set_icon(form.icon)
self.formLabelText.setText(label)
folderurl = "<a href='{path}'>{name}</a>".format(path=form.folder, name=os.path.basename(form.folder))
self.formfolderLabel.setText(folderurl)
self.newStyleCheck.setChecked(newstyleform)
self.layerCombo.setCurrentIndex(layerindex.row())
self.updatefields(layer)
if formtype == "auto":
formtype = "Auto Generated"
index = self.formtypeCombo.findText(formtype)
if index == -1:
self.formtypeCombo.insertItem(0, formtype)
self.formtypeCombo.setCurrentIndex(0)
else:
self.formtypeCombo.setCurrentIndex(index)
loadwidgets(widgets)
# Set the first widget
index = self.widgetmodel.index(0, 0)
if index.isValid():
self.userwidgets.setCurrentIndex(index)
# self.load_widget(index, None)
for i in reversed(range(self.eventsLayout.count())):
child = self.eventsLayout.itemAt(i)
if child.widget() and isinstance(child.widget(), EventWidget):
child = self.eventsLayout.takeAt(i)
child.widget().deleteLater()
events = settings.get('events', [])
self.load_events(events)
## This has overhead so only do it when the tab is active.
if self.formtab.currentIndex() == 3:
self.generate_form_preview()
def load_events(self, events):
for event in events:
self.addEventItem(data=event)
def addEventItem(self, data=None):
widget = EventWidget(self.form.QGISLayer, self.widgetmodel, self.eventsWidget)
widget.removeItem.connect(self.removeEventItem)
widget.set_data(data)
self.eventsLayout.addWidget(widget)
def removeEventItem(self, widget):
child = self.eventsLayout.removeWidget(widget)
widget.deleteLater()
def swapwidgetconfig(self, index):
widgetconfig, _, _ = self.current_config_widget
defaultvalue = widgetconfig.defaultvalue
self.defaultvalueText.setText(defaultvalue)
self.updatewidgetconfig({})
def load_widget(self, index, last):
"""
Update the UI with the config for the current selected widget.
"""
def get_id(widget_config):
if widget_config:
return widget_config.get('_id', None)
return None
widget = index.data(Qt.UserRole)
lastdata = last.data(Qt.UserRole)
newid = get_id(widget)
lastid = get_id(lastdata)
if (newid is not None and lastid is not None) and get_id(widget) == get_id(lastdata):
return
self.blockWidgetSignels(True)
if last:
roam.utils.debug("Saving last widget")
self._save_widget(last)
widget = index.data(Qt.UserRole)
if not widget:
self.blockWidgetSignels(False)
return
try:
roam.utils.debug("Loading widget: {0}".format(get_id(widget)))
except KeyError:
pass
widgettype = widget['widget']
if widgettype == "Section":
self.propertiesStack.setCurrentIndex(1)
self.sectionNameText.blockSignals(True)
name = widget['name']
self.sectionNameText.setText(name)
self.sectionNameText.blockSignals(False)
return
else:
self.propertiesStack.setCurrentIndex(0)
widgetconfig = WidgetConfig.from_config(widget)
field = widget['field']
self._currentwidgetid = widget.setdefault('_id', str(uuid.uuid4()))
required = widget.setdefault('required', False)
savevalue = widget.setdefault('rememberlastvalue', False)
name = widget.setdefault('name', field)
default = widget.setdefault('default', '')
readonly = widget.setdefault('read-only-rules', [])
hidden = widget.setdefault('hidden', False)
defaultevents = widget.setdefault('default_events', ['capture'])
try:
data = readonly[0]
except IndexError:
data = 'never'
index = self.readonlyCombo.findData(data)
self.readonlyCombo.setCurrentIndex(index)
index = self.defaultEventsCombo.findData(defaultevents)
self.defaultEventsCombo.setCurrentIndex(index)
self.defaultValueExpression.setText("")
self.defaultFieldCombo.setLayer(None)
self.defaultFieldCombo.setLayer(None)
if widgetconfig.default_type == WidgetConfig.DEFAULT_LAYER_VALUE:
self.defaultTab.setCurrentIndex(1)
layer = default['layer']
# TODO Handle the case of many layer fall though with defaults
# Not sure how to handle this in the UI just yet
if isinstance(layer, list):
layer = layer[0]
else:
defaultfield = default['field']
expression = default['expression']
self.logger.info(defaultfield)
self.defaultValueExpression.setText(expression)
self.logger.debug("Layer from name: {}".format(layer))
layer = roam.api.utils.layer_by_name(layer)
self.logger.debug(layer)
self.defaultLayerCombo.setLayer(layer)
self.defaultFieldCombo.setLayer(layer)
self.defaultFieldCombo.setField(defaultfield)
else:
self.defaultTab.setCurrentIndex(0)
self.defaultvalueText.setText(default)
self.nameText.setText(name)
self.requiredCheck.setChecked(required)
self.savevalueCheck.setChecked(savevalue)
self.hiddenCheck.setChecked(hidden)
if field is not None:
index = self.fieldList.findData(field.lower(), QgsFieldModel.FieldNameRole)
if index > -1:
self.fieldList.setCurrentIndex(index)
else:
self.fieldList.setEditText(field)
index = self.useablewidgets.findText(widgettype)
if index > -1:
self.useablewidgets.setCurrentIndex(index)
config = widget.get('config', {})
self.updatewidgetconfig(config)
self.blockWidgetSignels(False)
@property
def currentuserwidget(self):
"""
Return the selected user widget.
"""
index = self.userwidgets.currentIndex()
return index.data(Qt.UserRole), index
@property
def current_config_widget(self):
"""
Return the selected widget in the widget combo.
"""
index = self.useablewidgets.currentIndex()
index = self.possiblewidgetsmodel.index(index, 0)
return index.data(Qt.UserRole), index, index.data(Qt.UserRole + 1)
def updatewidgetconfig(self, config):
configwidget, _, _ = self.current_config_widget
self.setconfigwidget(configwidget, config)
def setconfigwidget(self, configwidget, config):
"""
Set the active config widget.
"""
try:
configwidget.widgetdirty.disconnect(self._save_current_widget)
except TypeError:
pass
self.widgetstack.setCurrentWidget(configwidget)
configwidget.setconfig(config)
configwidget.widgetdirty.connect(self._save_current_widget)
def _save_current_widget(self, *args):
_, index = self.currentuserwidget
self._save_widget(index)
def _save_widget(self, index):
# roam.utils.debug("FormWidget: Save widget")
if not self.project:
return
widgetdata = self._get_widget_config()
try:
roam.utils.debug("Saving widget {} in project {}".format(widgetdata['_id'], self.project.name))
except KeyError:
pass
self.widgetmodel.setData(index, widgetdata, Qt.UserRole)
def _get_default_config(self):
if self.defaultTab.currentIndex() == 0:
return self.defaultvalueText.text()
else:
default = {}
default['layer'] = self.defaultLayerCombo.currentLayer().name()
default['field'] = self.defaultFieldCombo.currentField()
default['expression'] = self.defaultValueExpression.text()
default['type'] = 'layer-value'
return default
def _get_widget_config(self):
def current_field():
row = self.fieldList.currentIndex()
field = self.fieldsmodel.index(row, 0).data(QgsFieldModel.FieldNameRole)
return field
configwidget, _, widgettype = self.current_config_widget
if self.propertiesStack.currentIndex() == 1:
return {'name': self.sectionNameText.text(),
"widget": "Section"}
widget = {}
widget['field'] = current_field()
widget[
'default-type'] = WidgetConfig.DEFAULT_SIMPLE if self.defaultTab.currentIndex() == 0 else WidgetConfig.DEFAULT_LAYER_VALUE
widget['default'] = self._get_default_config()
widget['widget'] = widgettype
widget['required'] = self.requiredCheck.isChecked()
widget['rememberlastvalue'] = self.savevalueCheck.isChecked()
widget['_id'] = self._currentwidgetid
widget['name'] = self.nameText.text()
widget['read-only-rules'] = [self.readonlyCombo.itemData(self.readonlyCombo.currentIndex())]
widget['default_events'] = self.defaultEventsCombo.itemData(self.defaultEventsCombo.currentIndex())
widget['hidden'] = self.hiddenCheck.isChecked()
widget['config'] = configwidget.getconfig()
return widget
@property
def selected_layer(self):
index = self.formlayers.index(self.layerCombo.currentIndex(), 0)
layer = index.data(Qt.UserRole)
return layer
def write_config(self):
roam.utils.debug("Write form config")
if not self.selected_layer:
return
self._save_current_widget()
self.form.settings['layer'] = self.selected_layer.name()
formtype = self.formtypeCombo.currentText()
self.form.settings['type'] = "auto" if formtype == "Auto Generated" else formtype
self.form.settings['label'] = self.formLabelText.text()
self.form.settings['newstyle'] = self.newStyleCheck.isChecked()
self.form.settings['widgets'] = list(self.widgetmodel.widgets())
events = []
for i in range(self.eventsLayout.count()):
child = self.eventsLayout.itemAt(i)
if child.widget() and isinstance(child.widget(), EventWidget):
widget = child.widget()
eventdata = widget.get_data()
events.append(eventdata)
self.form.settings['events'] = events
class FormWidget(ui_formwidget.Ui_Form, WidgetBase):
def __init__(self, parent=None):
super(FormWidget, self).__init__(parent)
self.setupUi(self)
self.form = None
self.fieldsmodel = QgsFieldModel()
self.widgetmodel = WidgetsModel()
self.possiblewidgetsmodel = QStandardItemModel()
self.formlayersmodel = QgsLayerModel(watchregistry=True)
self.formlayers = CaptureLayerFilter()
self.formlayers.setSourceModel(self.formlayersmodel)
self.layerCombo.setModel(self.formlayers)
self.useablewidgets.setModel(self.possiblewidgetsmodel)
self.fieldList.setModel(self.fieldsmodel)
self.userwidgets.setModel(self.widgetmodel)
self.userwidgets.selectionModel().currentChanged.connect(self.load_widget)
self.widgetmodel.rowsRemoved.connect(self.setwidgetconfigvisiable)
self.widgetmodel.rowsInserted.connect(self.setwidgetconfigvisiable)
self.widgetmodel.modelReset.connect(self.setwidgetconfigvisiable)
self.addWidgetButton.pressed.connect(self.newwidget)
self.removeWidgetButton.pressed.connect(self.removewidget)
self.formfolderLabel.linkActivated.connect(self.openformfolder)
self.expressionButton.clicked.connect(self.opendefaultexpression)
self.fieldList.currentIndexChanged.connect(self.updatewidgetname)
self.fieldwarninglabel.hide()
self.formtab.currentChanged.connect(self.formtabchanged)
for item, data in readonlyvalues:
self.readonlyCombo.addItem(item, data)
self.loadwidgettypes()
self.formLabelText.textChanged.connect(self.form_name_changed)
self.layerCombo.currentIndexChanged.connect(self.layer_updated)
self.fieldList.currentIndexChanged.connect(self._save_current_widget)
self.nameText.textChanged.connect(self._save_current_widget)
self.useablewidgets.currentIndexChanged.connect(self._save_current_widget)
self.useablewidgets.currentIndexChanged.connect(self.swapwidgetconfig)
menu = QMenu("Field Actions")
action = menu.addAction("Auto add all fields")
action.triggered.connect(self.auto_add_fields)
self.addWidgetButton.setMenu(menu)
self.addWidgetButton.setPopupMode(QToolButton.MenuButtonPopup)
def layer_updated(self, index):
if not self.selected_layer:
return
self.updatefields(self.selected_layer)
def form_name_changed(self, text):
self.form.settings['label'] = self.formLabelText.text()
self.treenode.emitDataChanged()
def updatewidgetname(self, index):
# Only change the edit text on name field if it's not already set to something other then the
# field name.
field = self.fieldsmodel.index(index, 0).data(QgsFieldModel.FieldNameRole)
currenttext = self.nameText.text()
foundfield = self.fieldsmodel.findfield(currenttext)
if foundfield:
self.nameText.setText(field)
def opendefaultexpression(self):
layer = self.form.QGISLayer
dlg = QgsExpressionBuilderDialog(layer, "Create default value expression", self)
text = self.defaultvalueText.text().strip('[%').strip('%]').strip()
dlg.setExpressionText(text)
if dlg.exec_():
self.defaultvalueText.setText('[% {} %]'.format(dlg.expressionText()))
def formtabchanged(self, index):
def setformpreview(form):
item = self.frame_2.layout().itemAt(0)
if item and item.widget():
item.widget().setParent(None)
featureform = FeatureForm.from_form(form, form.settings, None, {})
from roam import defaults
defaultwidgets = form.widgetswithdefaults()
layer = form.QGISLayer
try:
values = {}
feature = layer.getFeatures().next()
defaultvalues = defaults.default_values(defaultwidgets, feature, layer)
values.update(defaultvalues)
featureform.bindvalues(values)
except StopIteration:
pass
self.frame_2.layout().addWidget(featureform)
if index == 1:
self.form.settings['widgets'] = list(self.widgetmodel.widgets())
setformpreview(self.form)
def usedfields(self):
"""
Return the list of fields that have been used by the the current form's widgets
"""
widgets = self.widgetmodel.widgets()
for widget in widgets:
yield widget['field']
def openformfolder(self, url):
QDesktopServices.openUrl(QUrl.fromLocalFile(self.form.folder))
def loadwidgettypes(self):
self.useablewidgets.blockSignals(True)
for widgettype in roam.editorwidgets.core.supportedwidgets():
try:
configclass = configmanager.editorwidgets.widgetconfigs[widgettype]
except KeyError:
continue
configwidget = configclass()
item = QStandardItem(widgettype)
item.setData(configwidget, Qt.UserRole)
item.setData(widgettype, Qt.UserRole + 1)
item.setIcon(QIcon(widgeticon(widgettype)))
self.useablewidgets.model().appendRow(item)
self.widgetstack.addWidget(configwidget)
self.useablewidgets.blockSignals(False)
def setwidgetconfigvisiable(self, *args):
haswidgets = self.widgetmodel.rowCount() > 0
self.widgetConfigTabs.setVisible(haswidgets)
def newwidget(self, field=None):
"""
Create a new widget. The default is a list.
"""
mapping = {QVariant.String: "Text",
QVariant.Int: "Number",
QVariant.Double: "Number(Double)",
QVariant.ByteArray: "Image",
QVariant.Date: "Date",
QVariant.DateTime: "Date"}
widget = {}
if not field:
field = self.fieldsmodel.index(0, 0).data(Qt.UserRole)
if not field:
return
widget['field'] = field.name()
else:
widget['field'] = field.name()
try:
widget['widget'] = mapping[field.type()]
except KeyError:
widget['widget'] = 'Text'
# Grab the first field.
widget['name'] = field.name().replace("_", " ").title()
currentindex = self.userwidgets.currentIndex()
currentitem = self.widgetmodel.itemFromIndex(currentindex)
if currentitem and currentitem.iscontainor():
parent = currentindex
else:
parent = currentindex.parent()
index = self.widgetmodel.addwidget(widget, parent)
self.userwidgets.setCurrentIndex(index)
def auto_add_fields(self):
used = list(self.usedfields())
for field in self.selected_layer.pendingFields():
if field.name() in used:
continue
self.newwidget(field)
def removewidget(self):
"""
Remove the selected widget from the widgets list
"""
widget, index = self.currentuserwidget
if index.isValid():
self.widgetmodel.removeRow(index.row(), index.parent())
def set_project(self, project, treenode):
super(FormWidget, self).set_project(project, treenode)
self.formlayers.setSelectLayers(self.project.selectlayers)
form = self.treenode.form
self.form = form
self.setform(self.form)
def updatefields(self, layer):
"""
Update the UI with the fields for the selected layer.
"""
self.fieldsmodel.setLayer(layer)
def setform(self, form):
"""
Update the UI with the currently selected form.
"""
def getfirstlayer():
index = self.formlayers.index(0, 0)
layer = index.data(Qt.UserRole)
layer = layer.name()
return layer
def loadwidgets(widget):
"""
Load the widgets into widgets model
"""
self.widgetmodel.clear()
self.widgetmodel.loadwidgets(form.widgets)
def findlayer(layername):
index = self.formlayersmodel.findlayer(layername)
index = self.formlayers.mapFromSource(index)
layer = index.data(Qt.UserRole)
return index, layer
settings = form.settings
label = form.label
layername = settings.setdefault('layer', getfirstlayer())
layerindex, layer = findlayer(layername)
if not layer or not layerindex.isValid():
return
formtype = settings.setdefault('type', 'auto')
widgets = settings.setdefault('widgets', [])
self.formLabelText.setText(label)
folderurl = "<a href='{path}'>{name}</a>".format(path=form.folder, name=os.path.basename(form.folder))
self.formfolderLabel.setText(folderurl)
self.layerCombo.setCurrentIndex(layerindex.row())
self.updatefields(layer)
index = self.formtypeCombo.findText(formtype)
if index == -1:
self.formtypeCombo.insertItem(0, formtype)
self.formtypeCombo.setCurrentIndex(0)
else:
self.formtypeCombo.setCurrentIndex(index)
loadwidgets(widgets)
# Set the first widget
index = self.widgetmodel.index(0, 0)
if index.isValid():
self.userwidgets.setCurrentIndex(index)
self.load_widget(index, None)
def swapwidgetconfig(self, index):
widgetconfig, _, _ = self.current_config_widget
defaultvalue = widgetconfig.defaultvalue
self.defaultvalueText.setText(defaultvalue)
self.updatewidgetconfig({})
def load_widget(self, index, last):
"""
Update the UI with the config for the current selected widget.
"""
self.fieldList.blockSignals(True)
self.nameText.blockSignals(True)
self.useablewidgets.blockSignals(True)
if last:
self._save_widget(last)
widget = index.data(Qt.UserRole)
if not widget:
self.fieldList.blockSignals(False)
self.nameText.blockSignals(False)
self.useablewidgets.blockSignals(False)
return
widgettype = widget['widget']
field = widget['field']
required = widget.setdefault('required', False)
savevalue = widget.setdefault('rememberlastvalue', False)
name = widget.setdefault('name', field)
default = widget.setdefault('default', '')
readonly = widget.setdefault('read-only-rules', [])
hidden = widget.setdefault('hidden', False)
try:
data = readonly[0]
except IndexError:
data = 'never'
index = self.readonlyCombo.findData(data)
self.readonlyCombo.setCurrentIndex(index)
if not isinstance(default, dict):
self.defaultvalueText.setText(default)
self.defaultvalueText.setEnabled(True)
self.expressionButton.setEnabled(True)
else:
# TODO Handle the more advanced default values.
self.defaultvalueText.setText("Advanced default set in config")
self.defaultvalueText.setEnabled(False)
self.expressionButton.setEnabled(False)
self.nameText.setText(name)
self.requiredCheck.setChecked(required)
self.savevalueCheck.setChecked(savevalue)
self.hiddenCheck.setChecked(hidden)
if field is not None:
index = self.fieldList.findData(field.lower(), QgsFieldModel.FieldNameRole)
if index > -1:
self.fieldList.setCurrentIndex(index)
else:
self.fieldList.setEditText(field)
index = self.useablewidgets.findText(widgettype)
if index > -1:
self.useablewidgets.setCurrentIndex(index)
config = widget.get('config', {})
self.updatewidgetconfig(config)
self.fieldList.blockSignals(False)
self.nameText.blockSignals(False)
self.useablewidgets.blockSignals(False)
@property
def currentuserwidget(self):
"""
Return the selected user widget.
"""
index = self.userwidgets.currentIndex()
return index.data(Qt.UserRole), index
@property
def current_config_widget(self):
"""
Return the selected widget in the widget combo.
"""
index = self.useablewidgets.currentIndex()
index = self.possiblewidgetsmodel.index(index, 0)
return index.data(Qt.UserRole), index, index.data(Qt.UserRole + 1)
def updatewidgetconfig(self, config):
configwidget, _, _ = self.current_config_widget
self.setconfigwidget(configwidget, config)
def setconfigwidget(self, configwidget, config):
"""
Set the active config widget.
"""
try:
configwidget.widgetdirty.disconnect(self._save_current_widget)
except TypeError:
pass
self.widgetstack.setCurrentWidget(configwidget)
configwidget.setconfig(config)
configwidget.widgetdirty.connect(self._save_current_widget)
def _save_current_widget(self, *args):
_, index = self.currentuserwidget
self._save_widget(index)
def _save_widget(self, index):
widgetdata = self._get_widget_config()
self.widgetmodel.setData(index, widgetdata, Qt.UserRole)
def _get_widget_config(self):
def current_field():
row = self.fieldList.currentIndex()
field = self.fieldsmodel.index(row, 0).data(QgsFieldModel.FieldNameRole)
return field
configwidget, _, widgettype = self.current_config_widget
widget = {}
widget['field'] = current_field()
widget['default'] = self.defaultvalueText.text()
widget['widget'] = widgettype
widget['required'] = self.requiredCheck.isChecked()
widget['rememberlastvalue'] = self.savevalueCheck.isChecked()
widget['name'] = self.nameText.text()
widget['read-only-rules'] = [self.readonlyCombo.itemData(self.readonlyCombo.currentIndex())]
widget['hidden'] = self.hiddenCheck.isChecked()
widget['config'] = configwidget.getconfig()
return widget
@property
def selected_layer(self):
index = self.formlayers.index(self.layerCombo.currentIndex(), 0)
layer = index.data(Qt.UserRole)
return layer
def write_config(self):
if not self.selected_layer:
return
self._save_current_widget()
self.form.settings['layer'] = self.selected_layer.name()
self.form.settings['type'] = self.formtypeCombo.currentText()
self.form.settings['label'] = self.formLabelText.text()
self.form.settings['widgets'] = list(self.widgetmodel.widgets())
class ProjectWidget(Ui_Form, QWidget):
SampleWidgetRole = Qt.UserRole + 1
projectsaved = pyqtSignal()
projectupdated = pyqtSignal()
projectloaded = pyqtSignal(object)
selectlayersupdated = pyqtSignal(list)
projectlocationchanged = pyqtSignal(str)
def __init__(self, parent=None):
super(ProjectWidget, self).__init__(parent)
self.setupUi(self)
self.project = None
self.mapisloaded = False
self.bar = None
self.canvas.setCanvasColor(Qt.white)
self.canvas.enableAntiAliasing(True)
self.canvas.setWheelAction(QgsMapCanvas.WheelZoomToMouseCursor)
self.canvas.mapRenderer().setLabelingEngine(QgsPalLabeling())
self.fieldsmodel = QgsFieldModel()
self.widgetmodel = WidgetsModel()
self.possiblewidgetsmodel = QStandardItemModel()
self.formlayersmodel = QgsLayerModel(watchregistry=False)
self.formlayers = CaptureLayerFilter()
self.formlayers.setSourceModel(self.formlayersmodel)
self.selectlayermodel = CaptureLayersModel(watchregistry=False)
self.selectlayerfilter = LayerTypeFilter()
self.selectlayerfilter.setSourceModel(self.selectlayermodel)
self.selectlayermodel.dataChanged.connect(self.selectlayerschanged)
self.layerCombo.setModel(self.formlayers)
self.widgetCombo.setModel(self.possiblewidgetsmodel)
self.selectLayers.setModel(self.selectlayerfilter)
self.selectLayers_2.setModel(self.selectlayerfilter)
self.fieldList.setModel(self.fieldsmodel)
self.widgetlist.setModel(self.widgetmodel)
self.widgetlist.selectionModel().currentChanged.connect(self.updatecurrentwidget)
self.widgetmodel.rowsRemoved.connect(self.setwidgetconfigvisiable)
self.widgetmodel.rowsInserted.connect(self.setwidgetconfigvisiable)
self.widgetmodel.modelReset.connect(self.setwidgetconfigvisiable)
self.titleText.textChanged.connect(self.updatetitle)
QgsProject.instance().readProject.connect(self._readproject)
self.loadwidgettypes()
self.addWidgetButton.pressed.connect(self.newwidget)
self.removeWidgetButton.pressed.connect(self.removewidget)
self.roamVersionLabel.setText("You are running IntraMaps Roam version {}".format(roam.__version__))
self.openProjectFolderButton.pressed.connect(self.openprojectfolder)
self.openinQGISButton.pressed.connect(self.openinqgis)
self.filewatcher = QFileSystemWatcher()
self.filewatcher.fileChanged.connect(self.qgisprojectupdated)
self.formfolderLabel.linkActivated.connect(self.openformfolder)
self.projectupdatedlabel.linkActivated.connect(self.reloadproject)
self.projectupdatedlabel.hide()
self.formtab.currentChanged.connect(self.formtabchanged)
self.expressionButton.clicked.connect(self.opendefaultexpression)
self.fieldList.currentIndexChanged.connect(self.updatewidgetname)
self.fieldwarninglabel.hide()
for item, data in readonlyvalues:
self.readonlyCombo.addItem(item, data)
self.setpage(4)
self.form = None
self.projectlocations.currentIndexChanged[str].connect(self.projectlocationchanged.emit)
def setaboutinfo(self):
self.versionLabel.setText(roam.__version__)
self.qgisapiLabel.setText(str(QGis.QGIS_VERSION))
def checkcapturelayers(self):
haslayers = self.project.hascapturelayers()
self.formslayerlabel.setVisible(not haslayers)
return haslayers
def opendefaultexpression(self):
layer = self.currentform.QGISLayer
dlg = QgsExpressionBuilderDialog(layer, "Create default value expression", self)
text = self.defaultvalueText.text().strip('[%').strip('%]').strip()
dlg.setExpressionText(text)
if dlg.exec_():
self.defaultvalueText.setText('[% {} %]'.format(dlg.expressionText()))
def openformfolder(self, url):
openfolder(url)
def selectlayerschanged(self, *args):
self.formlayers.setSelectLayers(self.project.selectlayers)
self.checkcapturelayers()
self.selectlayersupdated.emit(self.project.selectlayers)
def formtabchanged(self, index):
# preview
if index == 1:
self.form.settings['widgets'] = list(self.widgetmodel.widgets())
self.setformpreview(self.form)
def setprojectfolders(self, folders):
for folder in folders:
self.projectlocations.addItem(folder)
def setpage(self, page):
self.stackedWidget.setCurrentIndex(page)
def reloadproject(self, *args):
self.setproject(self.project)
def qgisprojectupdated(self, path):
self.projectupdatedlabel.show()
self.projectupdatedlabel.setText("The QGIS project has been updated. <a href='reload'> "
"Click to reload</a>. <b style=\"color:red\">Unsaved data will be lost</b>")
def openinqgis(self):
projectfile = self.project.projectfile
qgislocation = r'C:\OSGeo4W\bin\qgis.bat'
qgislocation = roam.config.settings.setdefault('configmanager', {}) \
.setdefault('qgislocation', qgislocation)
try:
openqgis(projectfile, qgislocation)
except WindowsError:
self.bar.pushMessage("Looks like I couldn't find QGIS",
"Check qgislocation in settings.config", QgsMessageBar.WARNING)
def openprojectfolder(self):
folder = self.project.folder
openfolder(folder)
def setwidgetconfigvisiable(self, *args):
haswidgets = self.widgetmodel.rowCount() > 0
self.widgetframe.setEnabled(haswidgets)
def removewidget(self):
"""
Remove the selected widget from the widgets list
"""
widget, index = self.currentuserwidget
if index.isValid():
self.widgetmodel.removeRow(index.row(), index.parent())
def newwidget(self):
"""
Create a new widget. The default is a list.
"""
widget = {}
widget['widget'] = 'List'
# Grab the first field.
widget['field'] = self.fieldsmodel.index(0, 0).data(QgsFieldModel.FieldNameRole)
currentindex = self.widgetlist.currentIndex()
currentitem = self.widgetmodel.itemFromIndex(currentindex)
if currentitem and currentitem.iscontainor():
parent = currentindex
else:
parent = currentindex.parent()
index = self.widgetmodel.addwidget(widget, parent)
self.widgetlist.setCurrentIndex(index)
def loadwidgettypes(self):
self.widgetCombo.blockSignals(True)
for widgettype in roam.editorwidgets.core.supportedwidgets():
try:
configclass = configmanager.editorwidgets.widgetconfigs[widgettype]
except KeyError:
continue
configwidget = configclass()
item = QStandardItem(widgettype)
item.setData(configwidget, Qt.UserRole)
item.setData(widgettype, Qt.UserRole + 1)
item.setIcon(QIcon(widgeticon(widgettype)))
self.widgetCombo.model().appendRow(item)
self.widgetstack.addWidget(configwidget)
self.widgetCombo.blockSignals(False)
def usedfields(self):
"""
Return the list of fields that have been used by the the current form's widgets
"""
for widget in self.currentform.widgets:
yield widget['field']
@property
def currentform(self):
"""
Return the current selected form.
"""
return self.form
@property
def currentuserwidget(self):
"""
Return the selected user widget.
"""
index = self.widgetlist.currentIndex()
return index.data(Qt.UserRole), index
@property
def currentwidgetconfig(self):
"""
Return the selected widget in the widget combo.
"""
index = self.widgetCombo.currentIndex()
index = self.possiblewidgetsmodel.index(index, 0)
return index.data(Qt.UserRole), index, index.data(Qt.UserRole + 1)
def updatewidgetname(self, index):
# Only change the edit text on name field if it's not already set to something other then the
# field name.
field = self.fieldsmodel.index(index, 0).data(QgsFieldModel.FieldNameRole)
currenttext = self.nameText.text()
foundfield = self.fieldsmodel.findfield(currenttext)
if foundfield:
self.nameText.setText(field)
def _save_widgetfield(self, index):
"""
Save the selected field for the current widget.
Shows a error if the field is already used but will allow
the user to still set it in the case of extra logic for that field
in the forms Python logic.
"""
widget, index = self.currentuserwidget
row = self.fieldList.currentIndex()
field = self.fieldsmodel.index(row, 0).data(QgsFieldModel.FieldNameRole)
showwarning = field in self.usedfields()
self.fieldwarninglabel.setVisible(showwarning)
widget['field'] = field
self.widgetmodel.setData(index, widget, Qt.UserRole)
def _save_selectedwidget(self, index):
configwidget, index, widgettype = self.currentwidgetconfig
widget, index = self.currentuserwidget
if not widget:
return
widget['widget'] = widgettype
widget['required'] = self.requiredCheck.isChecked()
widget['config'] = configwidget.getconfig()
widget['name'] = self.nameText.text()
widget['read-only-rules'] = [self.readonlyCombo.itemData(self.readonlyCombo.currentIndex())]
widget['hidden'] = self.hiddenCheck.isChecked()
self.widgetmodel.setData(index, widget, Qt.UserRole)
def _save_default(self):
widget, index = self.currentuserwidget
default = self.defaultvalueText.text()
widget['default'] = default
self.widgetmodel.setData(index, widget, Qt.UserRole)
def _save_selectionlayers(self, index, layer, value):
config = self.project.settings
self.selectlayermodel.dataChanged.emit(index, index)
def _save_formtype(self, index):
formtype = self.formtypeCombo.currentText()
form = self.currentform
form.settings['type'] = formtype
def _save_formname(self, text):
"""
Save the form label to the settings file.
"""
try:
form = self.currentform
if form is None:
return
form.settings['label'] = text
self.projectupdated.emit()
except IndexError:
return
def _save_layer(self, index):
"""
Save the selected layer to the settings file.
"""
index = self.formlayers.index(index, 0)
layer = index.data(Qt.UserRole)
if not layer:
return
form = self.currentform
if form is None:
return
form.settings['layer'] = layer.name()
self.updatefields(layer)
def setsplash(self, splash):
pixmap = QPixmap(splash)
w = self.splashlabel.width()
h = self.splashlabel.height()
self.splashlabel.setPixmap(pixmap.scaled(w,h, Qt.KeepAspectRatio))
def setproject(self, project, loadqgis=True):
"""
Set the widgets active project.
"""
self.disconnectsignals()
self.mapisloaded = False
self.filewatcher.removePaths(self.filewatcher.files())
self.projectupdatedlabel.hide()
self._closeqgisproject()
if project.valid:
self.startsettings = copy.deepcopy(project.settings)
self.project = project
self.projectlabel.setText(project.name)
self.versionText.setText(project.version)
self.selectlayermodel.config = project.settings
self.formlayers.setSelectLayers(self.project.selectlayers)
self.setsplash(project.splash)
self.loadqgisproject(project, self.project.projectfile)
self.filewatcher.addPath(self.project.projectfile)
self.projectloaded.emit(self.project)
def loadqgisproject(self, project, projectfile):
QDir.setCurrent(os.path.dirname(project.projectfile))
fileinfo = QFileInfo(project.projectfile)
QgsProject.instance().read(fileinfo)
def _closeqgisproject(self):
if self.canvas.isDrawing():
return
self.canvas.freeze(True)
self.formlayersmodel.removeall()
self.selectlayermodel.removeall()
QgsMapLayerRegistry.instance().removeAllMapLayers()
self.canvas.freeze(False)
def loadmap(self):
if self.mapisloaded:
return
# This is a dirty hack to work around the timer that is in QgsMapCanvas in 2.2.
# Refresh will stop the canvas timer
# Repaint will redraw the widget.
# loadmap is only called once per project load so it's safe to do this here.
self.canvas.refresh()
self.canvas.repaint()
parser = roam.projectparser.ProjectParser.fromFile(self.project.projectfile)
canvasnode = parser.canvasnode
self.canvas.mapRenderer().readXML(canvasnode)
self.canvaslayers = parser.canvaslayers()
self.canvas.setLayerSet(self.canvaslayers)
self.canvas.updateScale()
self.canvas.refresh()
self.mapisloaded = True
def _readproject(self, doc):
self.formlayersmodel.refresh()
self.selectlayermodel.refresh()
self._updateforproject(self.project)
def _updateforproject(self, project):
self.titleText.setText(project.name)
self.descriptionText.setPlainText(project.description)
def swapwidgetconfig(self, index):
widgetconfig, _, _ = self.currentwidgetconfig
defaultvalue = widgetconfig.defaultvalue
self.defaultvalueText.setText(defaultvalue)
self.updatewidgetconfig({})
def updatetitle(self, text):
self.project.settings['title'] = text
self.projectlabel.setText(text)
self.projectupdated.emit()
def updatewidgetconfig(self, config):
widgetconfig, index, widgettype = self.currentwidgetconfig
self.setconfigwidget(widgetconfig, config)
def setformpreview(self, form):
def removewidget():
item = self.frame_2.layout().itemAt(0)
if item and item.widget():
item.widget().setParent(None)
removewidget()
featureform = FeatureForm.from_form(form, form.settings, None, {})
self.frame_2.layout().addWidget(featureform)
def connectsignals(self):
self.formLabelText.textChanged.connect(self._save_formname)
self.layerCombo.currentIndexChanged.connect(self._save_layer)
self.formtypeCombo.currentIndexChanged.connect(self._save_formtype)
#widget settings
self.fieldList.currentIndexChanged.connect(self._save_widgetfield)
self.requiredCheck.toggled.connect(self._save_selectedwidget)
self.defaultvalueText.textChanged.connect(self._save_default)
self.widgetCombo.currentIndexChanged.connect(self._save_selectedwidget)
self.widgetCombo.currentIndexChanged.connect(self.swapwidgetconfig)
self.nameText.textChanged.connect(self._save_selectedwidget)
self.readonlyCombo.currentIndexChanged.connect(self._save_selectedwidget)
self.hiddenCheck.toggled.connect(self._save_selectedwidget)
def disconnectsignals(self):
try:
self.formLabelText.textChanged.disconnect(self._save_formname)
self.layerCombo.currentIndexChanged.disconnect(self._save_layer)
self.formtypeCombo.currentIndexChanged.disconnect(self._save_formtype)
#widget settings
self.fieldList.currentIndexChanged.disconnect(self._save_widgetfield)
self.requiredCheck.toggled.disconnect(self._save_selectedwidget)
self.defaultvalueText.textChanged.disconnect(self._save_default)
self.widgetCombo.currentIndexChanged.disconnect(self._save_selectedwidget)
self.widgetCombo.currentIndexChanged.disconnect(self.swapwidgetconfig)
self.nameText.textChanged.disconnect(self._save_selectedwidget)
self.readonlyCombo.currentIndexChanged.disconnect(self._save_selectedwidget)
self.hiddenCheck.toggled.disconnect(self._save_selectedwidget)
except TypeError:
pass
def setform(self, form):
"""
Update the UI with the currently selected form.
"""
def getfirstlayer():
index = self.formlayers.index(0,0)
layer = index.data(Qt.UserRole)
layer = layer.name()
return layer
def loadwidgets(widget):
"""
Load the widgets into widgets model
"""
self.widgetmodel.clear()
self.widgetmodel.loadwidgets(form.widgets)
def findlayer(layername):
index = self.formlayersmodel.findlayer(layername)
index = self.formlayers.mapFromSource(index)
layer = index.data(Qt.UserRole)
return index, layer
self.disconnectsignals()
self.form = form
settings = form.settings
label = form.label
layername = settings.setdefault('layer', getfirstlayer())
layerindex, layer = findlayer(layername)
if not layer or not layerindex.isValid():
return
formtype = settings.setdefault('type', 'auto')
widgets = settings.setdefault('widgets', [])
self.formLabelText.setText(label)
folderurl = "<a href='{path}'>{name}</a>".format(path=form.folder, name=os.path.basename(form.folder))
self.formfolderLabel.setText(folderurl)
self.layerCombo.setCurrentIndex(layerindex.row())
self.updatefields(layer)
index = self.formtypeCombo.findText(formtype)
if index == -1:
self.formtypeCombo.insertItem(0, formtype)
self.formtypeCombo.setCurrentIndex(0)
else:
self.formtypeCombo.setCurrentIndex(index)
loadwidgets(widgets)
# Set the first widget
index = self.widgetmodel.index(0, 0)
if index.isValid():
self.widgetlist.setCurrentIndex(index)
self.updatecurrentwidget(index, None)
self.connectsignals()
def updatefields(self, layer):
"""
Update the UI with the fields for the selected layer.
"""
self.fieldsmodel.setLayer(layer)
def setconfigwidget(self, configwidget, config):
"""
Set the active config widget.
"""
try:
configwidget.widgetdirty.disconnect(self._save_selectedwidget)
except TypeError:
pass
#self.descriptionLabel.setText(configwidget.description)
self.widgetstack.setCurrentWidget(configwidget)
configwidget.setconfig(config)
configwidget.widgetdirty.connect(self._save_selectedwidget)
def updatecurrentwidget(self, index, _):
"""
Update the UI with the config for the current selected widget.
"""
if not index.isValid():
return
widget = index.data(Qt.UserRole)
widgettype = widget['widget']
field = widget['field']
required = widget.setdefault('required', False)
name = widget.setdefault('name', field)
default = widget.setdefault('default', '')
readonly = widget.setdefault('read-only-rules', [])
hidden = widget.setdefault('hidden', False)
try:
data = readonly[0]
except:
data = 'never'
self.readonlyCombo.blockSignals(True)
index = self.readonlyCombo.findData(data)
self.readonlyCombo.setCurrentIndex(index)
self.readonlyCombo.blockSignals(False)
self.defaultvalueText.blockSignals(True)
if not isinstance(default, dict):
self.defaultvalueText.setText(default)
else:
# TODO Handle the more advanced default values.
pass
self.defaultvalueText.blockSignals(False)
self.nameText.blockSignals(True)
self.nameText.setText(name)
self.nameText.blockSignals(False)
self.requiredCheck.blockSignals(True)
self.requiredCheck.setChecked(required)
self.requiredCheck.blockSignals(False)
self.hiddenCheck.blockSignals(True)
self.hiddenCheck.setChecked(hidden)
self.hiddenCheck.blockSignals(False)
if not field is None:
self.fieldList.blockSignals(True)
index = self.fieldList.findData(field.lower(), QgsFieldModel.FieldNameRole)
if index > -1:
self.fieldList.setCurrentIndex(index)
else:
self.fieldList.setEditText(field)
self.fieldList.blockSignals(False)
index = self.widgetCombo.findText(widgettype)
self.widgetCombo.blockSignals(True)
if index > -1:
self.widgetCombo.setCurrentIndex(index)
self.widgetCombo.blockSignals(False)
self.updatewidgetconfig(config=widget.setdefault('config', {}))
def _saveproject(self):
"""
Save the project config to disk.
"""
title = self.titleText.text()
description = self.descriptionText.toPlainText()
version = str(self.versionText.text())
settings = self.project.settings
settings['title'] = title
settings['description'] = description
settings['version'] = version
form = self.currentform
if form:
form.settings['widgets'] = list(self.widgetmodel.widgets())
logger.debug(form.settings)
self.project.save()
self.projectsaved.emit()
class ProjectWidget(Ui_Form, QWidget):
SampleWidgetRole = Qt.UserRole + 1
projectsaved = pyqtSignal()
projectupdated = pyqtSignal()
projectloaded = pyqtSignal(object)
selectlayersupdated = pyqtSignal(list)
def __init__(self, parent=None):
super(ProjectWidget, self).__init__(parent)
self.setupUi(self)
self.project = None
self.mapisloaded = False
self.bar = None
self.canvas.setCanvasColor(Qt.white)
self.canvas.enableAntiAliasing(True)
self.canvas.setWheelAction(QgsMapCanvas.WheelZoomToMouseCursor)
self.canvas.mapRenderer().setLabelingEngine(QgsPalLabeling())
self.fieldsmodel = QgsFieldModel()
self.widgetmodel = WidgetsModel()
self.possiblewidgetsmodel = QStandardItemModel()
self.formlayersmodel = QgsLayerModel(watchregistry=False)
self.formlayers = CaptureLayerFilter()
self.formlayers.setSourceModel(self.formlayersmodel)
self.selectlayermodel = CaptureLayersModel(watchregistry=False)
self.selectlayerfilter = LayerTypeFilter()
self.selectlayerfilter.setSourceModel(self.selectlayermodel)
self.selectlayermodel.dataChanged.connect(self.selectlayerschanged)
self.layerCombo.setModel(self.formlayers)
self.widgetCombo.setModel(self.possiblewidgetsmodel)
self.selectLayers.setModel(self.selectlayerfilter)
self.selectLayers_2.setModel(self.selectlayerfilter)
self.fieldList.setModel(self.fieldsmodel)
self.widgetlist.setModel(self.widgetmodel)
self.widgetlist.selectionModel().currentChanged.connect(self.updatecurrentwidget)
self.widgetmodel.rowsRemoved.connect(self.setwidgetconfigvisiable)
self.widgetmodel.rowsInserted.connect(self.setwidgetconfigvisiable)
self.widgetmodel.modelReset.connect(self.setwidgetconfigvisiable)
self.titleText.textChanged.connect(self.updatetitle)
QgsProject.instance().readProject.connect(self._readproject)
self.loadwidgettypes()
self.addWidgetButton.pressed.connect(self.newwidget)
self.removeWidgetButton.pressed.connect(self.removewidget)
self.roamVersionLabel.setText("You are running IntraMaps Roam version {}".format(roam.__version__))
self.openProjectFolderButton.pressed.connect(self.openprojectfolder)
self.openinQGISButton.pressed.connect(self.openinqgis)
self.filewatcher = QFileSystemWatcher()
self.filewatcher.fileChanged.connect(self.qgisprojectupdated)
self.formfolderLabel.linkActivated.connect(self.openformfolder)
self.projectupdatedlabel.linkActivated.connect(self.reloadproject)
self.projectupdatedlabel.hide()
self.formtab.currentChanged.connect(self.formtabchanged)
self.expressionButton.clicked.connect(self.opendefaultexpression)
self.fieldList.currentIndexChanged.connect(self.updatewidgetname)
self.fieldwarninglabel.hide()
for item, data in readonlyvalues:
self.readonlyCombo.addItem(item, data)
self.setpage(4)
self.form = None
def setaboutinfo(self):
self.versionLabel.setText(roam.__version__)
self.qgisapiLabel.setText(str(QGis.QGIS_VERSION))
def checkcapturelayers(self):
haslayers = self.project.hascapturelayers()
self.formslayerlabel.setVisible(not haslayers)
return haslayers
def opendefaultexpression(self):
layer = self.currentform.QGISLayer
dlg = QgsExpressionBuilderDialog(layer, "Create default value expression", self)
text = self.defaultvalueText.text().strip('[%').strip('%]').strip()
dlg.setExpressionText(text)
if dlg.exec_():
self.defaultvalueText.setText('[% {} %]'.format(dlg.expressionText()))
def openformfolder(self, url):
openfolder(url)
def selectlayerschanged(self, *args):
self.formlayers.setSelectLayers(self.project.selectlayers)
self.checkcapturelayers()
self.selectlayersupdated.emit(self.project.selectlayers)
def formtabchanged(self, index):
# preview
if index == 1:
self.form.settings['widgets'] = list(self.widgetmodel.widgets())
self.setformpreview(self.form)
def setpage(self, page):
self.stackedWidget.setCurrentIndex(page)
def reloadproject(self, *args):
self.setproject(self.project)
def qgisprojectupdated(self, path):
self.projectupdatedlabel.show()
self.projectupdatedlabel.setText("The QGIS project has been updated. <a href='reload'> "
"Click to reload</a>. <b style=\"color:red\">Unsaved data will be lost</b>")
def openinqgis(self):
projectfile = self.project.projectfile
qgislocation = r'C:\OSGeo4W\bin\qgis.bat'
qgislocation = roam.config.settings.setdefault('configmanager', {}) \
.setdefault('qgislocation', qgislocation)
try:
openqgis(projectfile, qgislocation)
except WindowsError:
self.bar.pushMessage("Looks like I couldn't find QGIS",
"Check qgislocation in roam.config", QgsMessageBar.WARNING)
def openprojectfolder(self):
folder = self.project.folder
openfolder(folder)
def setwidgetconfigvisiable(self, *args):
haswidgets = self.widgetmodel.rowCount() > 0
self.widgetframe.setEnabled(haswidgets)
def removewidget(self):
"""
Remove the selected widget from the widgets list
"""
widget, index = self.currentuserwidget
if index.isValid():
self.widgetmodel.removeRow(index.row(), index.parent())
def newwidget(self):
"""
Create a new widget. The default is a list.
"""
widget = {}
widget['widget'] = 'Text'
# Grab the first field.
widget['field'] = self.fieldsmodel.index(0, 0).data(QgsFieldModel.FieldNameRole)
currentindex = self.widgetlist.currentIndex()
currentitem = self.widgetmodel.itemFromIndex(currentindex)
if currentitem and currentitem.iscontainor():
parent = currentindex
else:
parent = currentindex.parent()
index = self.widgetmodel.addwidget(widget, parent)
self.widgetlist.setCurrentIndex(index)
def loadwidgettypes(self):
self.widgetCombo.blockSignals(True)
for widgettype in roam.editorwidgets.core.supportedwidgets():
try:
configclass = configmanager.editorwidgets.widgetconfigs[widgettype]
except KeyError:
continue
configwidget = configclass()
item = QStandardItem(widgettype)
item.setData(configwidget, Qt.UserRole)
item.setData(widgettype, Qt.UserRole + 1)
item.setIcon(QIcon(widgeticon(widgettype)))
self.widgetCombo.model().appendRow(item)
self.widgetstack.addWidget(configwidget)
self.widgetCombo.blockSignals(False)
def usedfields(self):
"""
Return the list of fields that have been used by the the current form's widgets
"""
for widget in self.currentform.widgets:
yield widget['field']
@property
def currentform(self):
"""
Return the current selected form.
"""
return self.form
@property
def currentuserwidget(self):
"""
Return the selected user widget.
"""
index = self.widgetlist.currentIndex()
return index.data(Qt.UserRole), index
@property
def currentwidgetconfig(self):
"""
Return the selected widget in the widget combo.
"""
index = self.widgetCombo.currentIndex()
index = self.possiblewidgetsmodel.index(index, 0)
return index.data(Qt.UserRole), index, index.data(Qt.UserRole + 1)
def updatewidgetname(self, index):
# Only change the edit text on name field if it's not already set to something other then the
# field name.
field = self.fieldsmodel.index(index, 0).data(QgsFieldModel.FieldNameRole)
currenttext = self.nameText.text()
foundfield = self.fieldsmodel.findfield(currenttext)
if foundfield:
self.nameText.setText(field)
def _save_widgetfield(self, index):
"""
Save the selected field for the current widget.
Shows a error if the field is already used but will allow
the user to still set it in the case of extra logic for that field
in the forms Python logic.
"""
widget, index = self.currentuserwidget
row = self.fieldList.currentIndex()
field = self.fieldsmodel.index(row, 0).data(QgsFieldModel.FieldNameRole)
showwarning = field in self.usedfields()
self.fieldwarninglabel.setVisible(showwarning)
widget['field'] = field
self.widgetmodel.setData(index, widget, Qt.UserRole)
def _save_selectedwidget(self, index):
configwidget, index, widgettype = self.currentwidgetconfig
widget, index = self.currentuserwidget
if not widget:
return
widget['widget'] = widgettype
widget['required'] = self.requiredCheck.isChecked()
widget['config'] = configwidget.getconfig()
widget['name'] = self.nameText.text()
widget['read-only-rules'] = [self.readonlyCombo.itemData(self.readonlyCombo.currentIndex())]
widget['hidden'] = self.hiddenCheck.isChecked()
self.widgetmodel.setData(index, widget, Qt.UserRole)
def _save_default(self):
widget, index = self.currentuserwidget
default = self.defaultvalueText.text()
widget['default'] = default
self.widgetmodel.setData(index, widget, Qt.UserRole)
def _save_selectionlayers(self, index, layer, value):
config = self.project.settings
self.selectlayermodel.dataChanged.emit(index, index)
def _save_formtype(self, index):
formtype = self.formtypeCombo.currentText()
form = self.currentform
form.settings['type'] = formtype
def _save_formname(self, text):
"""
Save the form label to the settings file.
"""
try:
form = self.currentform
if form is None:
return
form.settings['label'] = text
self.projectupdated.emit()
except IndexError:
return
def _save_layer(self, index):
"""
Save the selected layer to the settings file.
"""
index = self.formlayers.index(index, 0)
layer = index.data(Qt.UserRole)
if not layer:
return
form = self.currentform
if form is None:
return
form.settings['layer'] = layer.name()
self.updatefields(layer)
def setsplash(self, splash):
pixmap = QPixmap(splash)
w = self.splashlabel.width()
h = self.splashlabel.height()
self.splashlabel.setPixmap(pixmap.scaled(w,h, Qt.KeepAspectRatio))
def setproject(self, project, loadqgis=True):
"""
Set the widgets active project.
"""
self.disconnectsignals()
self.mapisloaded = False
self.filewatcher.removePaths(self.filewatcher.files())
self.projectupdatedlabel.hide()
self._closeqgisproject()
if project.valid:
self.startsettings = copy.deepcopy(project.settings)
self.project = project
self.projectlabel.setText(project.name)
self.versionText.setText(project.version)
self.selectlayermodel.config = project.settings
self.formlayers.setSelectLayers(self.project.selectlayers)
self.setsplash(project.splash)
self.loadqgisproject(project, self.project.projectfile)
self.filewatcher.addPath(self.project.projectfile)
self.projectloaded.emit(self.project)
def loadqgisproject(self, project, projectfile):
QDir.setCurrent(os.path.dirname(project.projectfile))
fileinfo = QFileInfo(project.projectfile)
QgsProject.instance().read(fileinfo)
def _closeqgisproject(self):
if self.canvas.isDrawing():
return
self.canvas.freeze(True)
self.formlayersmodel.removeall()
self.selectlayermodel.removeall()
QgsMapLayerRegistry.instance().removeAllMapLayers()
self.canvas.freeze(False)
def loadmap(self):
if self.mapisloaded:
return
# This is a dirty hack to work around the timer that is in QgsMapCanvas in 2.2.
# Refresh will stop the canvas timer
# Repaint will redraw the widget.
# loadmap is only called once per project load so it's safe to do this here.
self.canvas.refresh()
self.canvas.repaint()
parser = roam.projectparser.ProjectParser.fromFile(self.project.projectfile)
canvasnode = parser.canvasnode
self.canvas.mapRenderer().readXML(canvasnode)
self.canvaslayers = parser.canvaslayers()
self.canvas.setLayerSet(self.canvaslayers)
self.canvas.updateScale()
self.canvas.refresh()
self.mapisloaded = True
def _readproject(self, doc):
self.formlayersmodel.refresh()
self.selectlayermodel.refresh()
self._updateforproject(self.project)
def _updateforproject(self, project):
self.titleText.setText(project.name)
self.descriptionText.setPlainText(project.description)
def swapwidgetconfig(self, index):
widgetconfig, _, _ = self.currentwidgetconfig
defaultvalue = widgetconfig.defaultvalue
self.defaultvalueText.setText(defaultvalue)
self.updatewidgetconfig({})
def updatetitle(self, text):
self.project.settings['title'] = text
self.projectlabel.setText(text)
self.projectupdated.emit()
def updatewidgetconfig(self, config):
widgetconfig, index, widgettype = self.currentwidgetconfig
self.setconfigwidget(widgetconfig, config)
def setformpreview(self, form):
def removewidget():
item = self.frame_2.layout().itemAt(0)
if item and item.widget():
item.widget().setParent(None)
removewidget()
featureform = FeatureForm.from_form(form, form.settings, None, {})
self.frame_2.layout().addWidget(featureform)
def connectsignals(self):
self.formLabelText.textChanged.connect(self._save_formname)
self.layerCombo.currentIndexChanged.connect(self._save_layer)
self.formtypeCombo.currentIndexChanged.connect(self._save_formtype)
#widget settings
self.fieldList.currentIndexChanged.connect(self._save_widgetfield)
self.requiredCheck.toggled.connect(self._save_selectedwidget)
self.defaultvalueText.textChanged.connect(self._save_default)
self.widgetCombo.currentIndexChanged.connect(self._save_selectedwidget)
self.widgetCombo.currentIndexChanged.connect(self.swapwidgetconfig)
self.nameText.textChanged.connect(self._save_selectedwidget)
self.readonlyCombo.currentIndexChanged.connect(self._save_selectedwidget)
self.hiddenCheck.toggled.connect(self._save_selectedwidget)
def disconnectsignals(self):
try:
self.formLabelText.textChanged.disconnect(self._save_formname)
self.layerCombo.currentIndexChanged.disconnect(self._save_layer)
self.formtypeCombo.currentIndexChanged.disconnect(self._save_formtype)
#widget settings
self.fieldList.currentIndexChanged.disconnect(self._save_widgetfield)
self.requiredCheck.toggled.disconnect(self._save_selectedwidget)
self.defaultvalueText.textChanged.disconnect(self._save_default)
self.widgetCombo.currentIndexChanged.disconnect(self._save_selectedwidget)
self.widgetCombo.currentIndexChanged.disconnect(self.swapwidgetconfig)
self.nameText.textChanged.disconnect(self._save_selectedwidget)
self.readonlyCombo.currentIndexChanged.disconnect(self._save_selectedwidget)
self.hiddenCheck.toggled.disconnect(self._save_selectedwidget)
except TypeError:
pass
def setform(self, form):
"""
Update the UI with the currently selected form.
"""
def getfirstlayer():
index = self.formlayers.index(0,0)
layer = index.data(Qt.UserRole)
layer = layer.name()
return layer
def loadwidgets(widget):
"""
Load the widgets into widgets model
"""
self.widgetmodel.clear()
self.widgetmodel.loadwidgets(form.widgets)
def findlayer(layername):
index = self.formlayersmodel.findlayer(layername)
index = self.formlayers.mapFromSource(index)
layer = index.data(Qt.UserRole)
return index, layer
self.disconnectsignals()
self.form = form
settings = form.settings
label = form.label
layername = settings.setdefault('layer', getfirstlayer())
layerindex, layer = findlayer(layername)
if not layer or not layerindex.isValid():
return
formtype = settings.setdefault('type', 'auto')
widgets = settings.setdefault('widgets', [])
self.formLabelText.setText(label)
folderurl = "<a href='{path}'>{name}</a>".format(path=form.folder, name=os.path.basename(form.folder))
self.formfolderLabel.setText(folderurl)
self.layerCombo.setCurrentIndex(layerindex.row())
self.updatefields(layer)
index = self.formtypeCombo.findText(formtype)
if index == -1:
self.formtypeCombo.insertItem(0, formtype)
self.formtypeCombo.setCurrentIndex(0)
else:
self.formtypeCombo.setCurrentIndex(index)
loadwidgets(widgets)
# Set the first widget
index = self.widgetmodel.index(0, 0)
if index.isValid():
self.widgetlist.setCurrentIndex(index)
self.updatecurrentwidget(index, None)
self.connectsignals()
def updatefields(self, layer):
"""
Update the UI with the fields for the selected layer.
"""
self.fieldsmodel.setLayer(layer)
def setconfigwidget(self, configwidget, config):
"""
Set the active config widget.
"""
try:
configwidget.widgetdirty.disconnect(self._save_selectedwidget)
except TypeError:
pass
#self.descriptionLabel.setText(configwidget.description)
self.widgetstack.setCurrentWidget(configwidget)
configwidget.setconfig(config)
configwidget.widgetdirty.connect(self._save_selectedwidget)
def updatecurrentwidget(self, index, _):
"""
Update the UI with the config for the current selected widget.
"""
if not index.isValid():
return
widget = index.data(Qt.UserRole)
widgettype = widget['widget']
field = widget['field']
required = widget.setdefault('required', False)
name = widget.setdefault('name', field)
default = widget.setdefault('default', '')
readonly = widget.setdefault('read-only-rules', [])
hidden = widget.setdefault('hidden', False)
try:
data = readonly[0]
except:
data = 'never'
self.readonlyCombo.blockSignals(True)
index = self.readonlyCombo.findData(data)
self.readonlyCombo.setCurrentIndex(index)
self.readonlyCombo.blockSignals(False)
self.defaultvalueText.blockSignals(True)
if not isinstance(default, dict):
self.defaultvalueText.setText(default)
self.defaultvalueText.setEnabled(True)
self.expressionButton.setEnabled(True)
else:
# TODO Handle the more advanced default values.
self.defaultvalueText.setText("Advanced default set in config")
self.defaultvalueText.setEnabled(False)
self.expressionButton.setEnabled(False)
self.defaultvalueText.blockSignals(False)
self.nameText.blockSignals(True)
self.nameText.setText(name)
self.nameText.blockSignals(False)
self.requiredCheck.blockSignals(True)
self.requiredCheck.setChecked(required)
self.requiredCheck.blockSignals(False)
self.hiddenCheck.blockSignals(True)
self.hiddenCheck.setChecked(hidden)
self.hiddenCheck.blockSignals(False)
if not field is None:
self.fieldList.blockSignals(True)
index = self.fieldList.findData(field.lower(), QgsFieldModel.FieldNameRole)
if index > -1:
self.fieldList.setCurrentIndex(index)
else:
self.fieldList.setEditText(field)
self.fieldList.blockSignals(False)
index = self.widgetCombo.findText(widgettype)
self.widgetCombo.blockSignals(True)
if index > -1:
self.widgetCombo.setCurrentIndex(index)
self.widgetCombo.blockSignals(False)
self.updatewidgetconfig(config=widget.setdefault('config', {}))
def _saveproject(self):
"""
Save the project config to disk.
"""
title = self.titleText.text()
description = self.descriptionText.toPlainText()
version = str(self.versionText.text())
settings = self.project.settings
settings['title'] = title
settings['description'] = description
settings['version'] = version
form = self.currentform
if form:
form.settings['widgets'] = list(self.widgetmodel.widgets())
logger.debug(form.settings)
self.project.save()
self.projectsaved.emit()
class FormWidget(ui_formwidget.Ui_Form, WidgetBase):
def __init__(self, parent=None):
super(FormWidget, self).__init__(parent)
self.setupUi(self)
self.form = None
self.fieldsmodel = QgsFieldModel()
self.widgetmodel = WidgetsModel()
self.possiblewidgetsmodel = QStandardItemModel()
self.formlayersmodel = QgsLayerModel(watchregistry=True)
self.formlayers = CaptureLayerFilter()
self.formlayers.setSourceModel(self.formlayersmodel)
self.layerCombo.setModel(self.formlayers)
self.useablewidgets.setModel(self.possiblewidgetsmodel)
self.fieldList.setModel(self.fieldsmodel)
self.userwidgets.setModel(self.widgetmodel)
self.userwidgets.selectionModel().currentChanged.connect(self.load_widget)
self.widgetmodel.rowsRemoved.connect(self.setwidgetconfigvisiable)
self.widgetmodel.rowsInserted.connect(self.setwidgetconfigvisiable)
self.widgetmodel.modelReset.connect(self.setwidgetconfigvisiable)
self.addWidgetButton.pressed.connect(self.newwidget)
self.removeWidgetButton.pressed.connect(self.removewidget)
self.formfolderLabel.linkActivated.connect(self.openformfolder)
self.expressionButton.clicked.connect(self.opendefaultexpression)
self.fieldList.currentIndexChanged.connect(self.updatewidgetname)
self.fieldwarninglabel.hide()
self.formtab.currentChanged.connect(self.formtabchanged)
for item, data in readonlyvalues:
self.readonlyCombo.addItem(item, data)
self.loadwidgettypes()
self.formLabelText.textChanged.connect(self.form_name_changed)
self.layerCombo.currentIndexChanged.connect(self.layer_updated)
self.fieldList.currentIndexChanged.connect(self._save_current_widget)
self.nameText.textChanged.connect(self._save_current_widget)
self.useablewidgets.currentIndexChanged.connect(self._save_current_widget)
self.useablewidgets.currentIndexChanged.connect(self.swapwidgetconfig)
menu = QMenu("Field Actions")
action = menu.addAction("Auto add all fields")
action.triggered.connect(self.auto_add_fields)
self.addWidgetButton.setMenu(menu)
self.addWidgetButton.setPopupMode(QToolButton.MenuButtonPopup)
self.defaultLayerCombo.layerChanged.connect(self.default_layer_changed)
def default_layer_changed(self, layer):
self.defaultFieldCombo.setLayer(layer)
def layer_updated(self, index):
if not self.selected_layer:
return
self.updatefields(self.selected_layer)
def form_name_changed(self, text):
self.form.settings['label'] = self.formLabelText.text()
self.treenode.emitDataChanged()
def updatewidgetname(self, index):
# Only change the edit text on name field if it's not already set to something other then the
# field name.
field = self.fieldsmodel.index(index, 0).data(QgsFieldModel.FieldNameRole)
currenttext = self.nameText.text()
foundfield = self.fieldsmodel.findfield(currenttext)
if foundfield:
self.nameText.setText(field)
def opendefaultexpression(self):
layer = self.form.QGISLayer
dlg = QgsExpressionBuilderDialog(layer, "Create default value expression", self)
text = self.defaultvalueText.text().strip('[%').strip('%]').strip()
dlg.setExpressionText(text)
if dlg.exec_():
self.defaultvalueText.setText('[% {} %]'.format(dlg.expressionText()))
def formtabchanged(self, index):
def setformpreview(form):
item = self.frame_2.layout().itemAt(0)
if item and item.widget():
item.widget().setParent(None)
featureform = FeatureForm.from_form(form, form.settings, None, {})
from roam import defaults
defaultwidgets = form.widgetswithdefaults()
layer = form.QGISLayer
try:
values = {}
feature = layer.getFeatures().next()
defaultvalues = defaults.default_values(defaultwidgets, feature, layer)
values.update(defaultvalues)
featureform.bindvalues(values)
except StopIteration:
pass
self.frame_2.layout().addWidget(featureform)
if index == 1:
self.form.settings['widgets'] = list(self.widgetmodel.widgets())
setformpreview(self.form)
def usedfields(self):
"""
Return the list of fields that have been used by the the current form's widgets
"""
widgets = self.widgetmodel.widgets()
for widget in widgets:
yield widget['field']
def openformfolder(self, url):
QDesktopServices.openUrl(QUrl.fromLocalFile(self.form.folder))
def loadwidgettypes(self):
self.useablewidgets.blockSignals(True)
for widgettype in roam.editorwidgets.core.supportedwidgets():
try:
configclass = configmanager.editorwidgets.widgetconfigs[widgettype]
except KeyError:
continue
configwidget = configclass()
item = QStandardItem(widgettype)
item.setData(configwidget, Qt.UserRole)
item.setData(widgettype, Qt.UserRole + 1)
item.setIcon(QIcon(widgeticon(widgettype)))
self.useablewidgets.model().appendRow(item)
self.widgetstack.addWidget(configwidget)
self.useablewidgets.blockSignals(False)
def setwidgetconfigvisiable(self, *args):
haswidgets = self.widgetmodel.rowCount() > 0
self.widgetConfigTabs.setVisible(haswidgets)
def newwidget(self, field=None):
"""
Create a new widget. The default is a list.
"""
mapping = {QVariant.String: "Text",
QVariant.Int: "Number",
QVariant.Double: "Number(Double)",
QVariant.ByteArray: "Image",
QVariant.Date: "Date",
QVariant.DateTime: "Date"}
widget = {}
if not field:
field = self.fieldsmodel.index(0, 0).data(Qt.UserRole)
if not field:
return
widget['field'] = field.name()
else:
widget['field'] = field.name()
try:
widget['widget'] = mapping[field.type()]
except KeyError:
widget['widget'] = 'Text'
# Grab the first field.
widget['name'] = field.name().replace("_", " ").title()
currentindex = self.userwidgets.currentIndex()
currentitem = self.widgetmodel.itemFromIndex(currentindex)
if currentitem and currentitem.iscontainor():
parent = currentindex
else:
parent = currentindex.parent()
index = self.widgetmodel.addwidget(widget, parent)
self.userwidgets.setCurrentIndex(index)
def auto_add_fields(self):
used = list(self.usedfields())
for field in self.selected_layer.pendingFields():
if field.name() in used:
continue
self.newwidget(field)
def removewidget(self):
"""
Remove the selected widget from the widgets list
"""
widget, index = self.currentuserwidget
if index.isValid():
self.widgetmodel.removeRow(index.row(), index.parent())
def set_project(self, project, treenode):
super(FormWidget, self).set_project(project, treenode)
self.formlayers.setSelectLayers(self.project.selectlayers)
form = self.treenode.form
self.form = form
self.setform(self.form)
def updatefields(self, layer):
"""
Update the UI with the fields for the selected layer.
"""
self.fieldsmodel.setLayer(layer)
def setform(self, form):
"""
Update the UI with the currently selected form.
"""
def getfirstlayer():
index = self.formlayers.index(0, 0)
layer = index.data(Qt.UserRole)
layer = layer.name()
return layer
def loadwidgets(widget):
"""
Load the widgets into widgets model
"""
self.widgetmodel.clear()
self.widgetmodel.loadwidgets(form.widgets)
def findlayer(layername):
index = self.formlayersmodel.findlayer(layername)
index = self.formlayers.mapFromSource(index)
layer = index.data(Qt.UserRole)
return index, layer
settings = form.settings
label = form.label
layername = settings.setdefault('layer', getfirstlayer())
layerindex, layer = findlayer(layername)
if not layer or not layerindex.isValid():
return
formtype = settings.setdefault('type', 'auto')
widgets = settings.setdefault('widgets', [])
self.formLabelText.setText(label)
folderurl = "<a href='{path}'>{name}</a>".format(path=form.folder, name=os.path.basename(form.folder))
self.formfolderLabel.setText(folderurl)
self.layerCombo.setCurrentIndex(layerindex.row())
self.updatefields(layer)
index = self.formtypeCombo.findText(formtype)
if index == -1:
self.formtypeCombo.insertItem(0, formtype)
self.formtypeCombo.setCurrentIndex(0)
else:
self.formtypeCombo.setCurrentIndex(index)
loadwidgets(widgets)
# Set the first widget
index = self.widgetmodel.index(0, 0)
if index.isValid():
self.userwidgets.setCurrentIndex(index)
self.load_widget(index, None)
def swapwidgetconfig(self, index):
widgetconfig, _, _ = self.current_config_widget
defaultvalue = widgetconfig.defaultvalue
self.defaultvalueText.setText(defaultvalue)
self.updatewidgetconfig({})
def load_widget(self, index, last):
"""
Update the UI with the config for the current selected widget.
"""
self.fieldList.blockSignals(True)
self.nameText.blockSignals(True)
self.useablewidgets.blockSignals(True)
if last:
self._save_widget(last)
widget = index.data(Qt.UserRole)
if not widget:
self.fieldList.blockSignals(False)
self.nameText.blockSignals(False)
self.useablewidgets.blockSignals(False)
return
widgettype = widget['widget']
field = widget['field']
required = widget.setdefault('required', False)
savevalue = widget.setdefault('rememberlastvalue', False)
name = widget.setdefault('name', field)
default = widget.setdefault('default', '')
readonly = widget.setdefault('read-only-rules', [])
hidden = widget.setdefault('hidden', False)
try:
data = readonly[0]
except IndexError:
data = 'never'
index = self.readonlyCombo.findData(data)
self.readonlyCombo.setCurrentIndex(index)
if not isinstance(default, dict):
self.defaultTab.setCurrentIndex(0)
self.defaultvalueText.setText(default)
else:
self.defaultTab.setCurrentIndex(1)
layer = default['layer']
# TODO Handle the case of many layer fall though with defaults
# Not sure how to handle this in the UI just yet
if isinstance(layer, list):
layer = layer[0]
if isinstance(layer, basestring):
field = default['field']
expression = default['expression']
self.defaultValueExpression.setText(expression)
layer = roam.api.utils.layer_by_name(layer)
self.defaultLayerCombo.setLayer(layer)
self.defaultFieldCombo.setLayer(layer)
self.defaultFieldCombo.setField(field)
self.nameText.setText(name)
self.requiredCheck.setChecked(required)
self.savevalueCheck.setChecked(savevalue)
self.hiddenCheck.setChecked(hidden)
if field is not None:
index = self.fieldList.findData(field.lower(), QgsFieldModel.FieldNameRole)
if index > -1:
self.fieldList.setCurrentIndex(index)
else:
self.fieldList.setEditText(field)
index = self.useablewidgets.findText(widgettype)
if index > -1:
self.useablewidgets.setCurrentIndex(index)
config = widget.get('config', {})
self.updatewidgetconfig(config)
self.fieldList.blockSignals(False)
self.nameText.blockSignals(False)
self.useablewidgets.blockSignals(False)
@property
def currentuserwidget(self):
"""
Return the selected user widget.
"""
index = self.userwidgets.currentIndex()
return index.data(Qt.UserRole), index
@property
def current_config_widget(self):
"""
Return the selected widget in the widget combo.
"""
index = self.useablewidgets.currentIndex()
index = self.possiblewidgetsmodel.index(index, 0)
return index.data(Qt.UserRole), index, index.data(Qt.UserRole + 1)
def updatewidgetconfig(self, config):
configwidget, _, _ = self.current_config_widget
self.setconfigwidget(configwidget, config)
def setconfigwidget(self, configwidget, config):
"""
Set the active config widget.
"""
try:
configwidget.widgetdirty.disconnect(self._save_current_widget)
except TypeError:
pass
self.widgetstack.setCurrentWidget(configwidget)
configwidget.setconfig(config)
configwidget.widgetdirty.connect(self._save_current_widget)
def _save_current_widget(self, *args):
_, index = self.currentuserwidget
self._save_widget(index)
def _save_widget(self, index):
widgetdata = self._get_widget_config()
self.widgetmodel.setData(index, widgetdata, Qt.UserRole)
def _get_default_config(self):
if self.defaultTab.currentIndex() == 0:
return self.defaultvalueText.text()
else:
default = {}
default['layer'] = self.defaultLayerCombo.currentLayer().name()
default['field'] = self.defaultFieldCombo.currentField()
default['expression'] = self.defaultValueExpression.text()
default['type'] = 'layer-value'
return default
def _get_widget_config(self):
def current_field():
row = self.fieldList.currentIndex()
field = self.fieldsmodel.index(row, 0).data(QgsFieldModel.FieldNameRole)
return field
configwidget, _, widgettype = self.current_config_widget
widget = {}
widget['field'] = current_field()
widget['default'] = self._get_default_config()
widget['widget'] = widgettype
widget['required'] = self.requiredCheck.isChecked()
widget['rememberlastvalue'] = self.savevalueCheck.isChecked()
widget['name'] = self.nameText.text()
widget['read-only-rules'] = [self.readonlyCombo.itemData(self.readonlyCombo.currentIndex())]
widget['hidden'] = self.hiddenCheck.isChecked()
widget['config'] = configwidget.getconfig()
return widget
@property
def selected_layer(self):
index = self.formlayers.index(self.layerCombo.currentIndex(), 0)
layer = index.data(Qt.UserRole)
return layer
def write_config(self):
if not self.selected_layer:
return
self._save_current_widget()
self.form.settings['layer'] = self.selected_layer.name()
self.form.settings['type'] = self.formtypeCombo.currentText()
self.form.settings['label'] = self.formLabelText.text()
self.form.settings['widgets'] = list(self.widgetmodel.widgets())
class FormWidget(ui_formwidget.Ui_Form, WidgetBase):
def __init__(self, parent=None):
super(FormWidget, self).__init__(parent)
self.setupUi(self)
self.form = None
self.iconlabel.mouseReleaseEvent = self.change_icon
self._currentwidgetid = ''
self.fieldsmodel = QgsFieldModel()
self.widgetmodel = WidgetsModel()
self.possiblewidgetsmodel = QStandardItemModel()
self.formlayersmodel = QgsLayerModel(watchregistry=True)
self.formlayers = CaptureLayerFilter()
self.formlayers.setSourceModel(self.formlayersmodel)
self.layerCombo.setModel(self.formlayers)
self.useablewidgets.setModel(self.possiblewidgetsmodel)
self.fieldList.setModel(self.fieldsmodel)
self.userwidgets.setModel(self.widgetmodel)
self.userwidgets.selectionModel().currentChanged.connect(self.load_widget)
self.widgetmodel.rowsRemoved.connect(self.set_widget_config_state)
self.widgetmodel.rowsInserted.connect(self.set_widget_config_state)
self.widgetmodel.modelReset.connect(self.set_widget_config_state)
self.addWidgetButton.pressed.connect(self.newwidget)
self.addSectionButton.pressed.connect(self.add_section)
self.removeWidgetButton.pressed.connect(self.removewidget)
self.formfolderLabel.linkActivated.connect(self.openformfolder)
self.expressionButton.clicked.connect(self.opendefaultexpression)
self.expressionButton_2.clicked.connect(self.opendefaultexpression_advanced)
self.fieldList.currentIndexChanged.connect(self.updatewidgetname)
self.fieldwarninglabel.hide()
self.formtab.currentChanged.connect(self.formtabchanged)
for item, data in readonlyvalues:
self.readonlyCombo.addItem(item, data)
for item, data in defaultevents:
self.defaultEventsCombo.addItem(item, data)
self.loadwidgettypes()
self.formLabelText.textChanged.connect(self.form_name_changed)
self.newStyleCheck.stateChanged.connect(self.form_style_changed)
self.layerCombo.currentIndexChanged.connect(self.layer_updated)
# Gross but ok for now.
self.blockWidgets = [
self.fieldList,
self.nameText,
self.sectionNameText,
self.useablewidgets,
self.hiddenCheck,
self.requiredCheck,
self.readonlyCombo,
self.defaultEventsCombo,
self.defaultvalueText,
self.defaultLayerCombo,
self.defaultFieldCombo,
self.defaultValueExpression,
self.savevalueCheck
]
for widget in self.blockWidgets:
self._connect_save_event(widget)
self.blockWidgetSignels(True)
self.useablewidgets.currentIndexChanged.connect(self.swapwidgetconfig)
menu = QMenu("Field Actions")
action = menu.addAction("Auto add all fields")
action.triggered.connect(self.auto_add_fields)
self.addWidgetButton.setMenu(menu)
self.addWidgetButton.setPopupMode(QToolButton.MenuButtonPopup)
self.defaultLayerCombo.layerChanged.connect(self.defaultFieldCombo.setLayer)
self.addEvent.pressed.connect(self.addEventItem)
self.btnDeleteForm.pressed.connect(ConfigEvents.deleteForm.emit)
def unload_project(self):
print "UNLOAD PROJECT!!!"
self.blockWidgetSignels(True)
def _connect_save_event(self, widget):
if hasattr(widget, "textChanged"):
widget.textChanged.connect(self._save_current_widget)
if hasattr(widget, "currentIndexChanged"):
widget.currentIndexChanged.connect(self._save_current_widget)
if hasattr(widget, "stateChanged"):
widget.stateChanged.connect(self._save_current_widget)
def change_icon(self, *args):
"""
Change the icon for the form
"""
icon = QFileDialog.getOpenFileName(self, "Select form icon image", filter="Images (*.png *.svg)")
if not icon:
return
ext = os.path.splitext(icon)[1]
shutil.copy(icon, os.path.join(self.form.folder, "icon" + ext))
self.set_icon(self.form.icon)
self.treenode.emitDataChanged()
def set_icon(self, path):
"""
Set the forms icon preview
:param path: The path to icon.
"""
pixmap = QPixmap(path)
w = self.iconlabel.width()
h = self.iconlabel.height()
self.iconlabel.setPixmap(pixmap.scaled(w, h, Qt.KeepAspectRatio))
def layer_updated(self, index):
"""
Called when the forms layer has changed.
:param index: The index of the new layer.
"""
if not self.selected_layer:
return
self.updatefields(self.selected_layer)
def form_style_changed(self, newstyle):
"""
Called when the form style has changed from label-above style to label-beside style.
:param newstyle: True if to use the new label-above style forms.
"""
self.form.settings['newstyle'] = newstyle
self.treenode.emitDataChanged()
def form_name_changed(self, text):
"""
Called when the forms name has changed. Also updates the tree view to reflect the new name.
:param text: The new text of the label.
:return:
"""
self.form.settings['label'] = text
self.treenode.emitDataChanged()
def updatewidgetname(self, index):
"""
Update the widget name if the field has changed. Doesn't change the name if it has been user set already.
:param index: index of the new field.
"""
# Only change the edit text on name field if it's not already set to something other then the
# field name.
field = self.fieldsmodel.index(index, 0).data(QgsFieldModel.FieldNameRole)
currenttext = self.nameText.text()
foundfield = self.fieldsmodel.findfield(currenttext)
if foundfield:
self.nameText.setText(field)
def opendefaultexpression_advanced(self):
"""
Open the default expression builder for setting advanced default values based on QGIS Expressions.
"""
layer = self.form.QGISLayer
dlg = QgsExpressionBuilderDialog(layer, "Create default value expression", self)
text = self.defaultValueExpression.text()
dlg.setExpressionText(text)
if dlg.exec_():
self.defaultValueExpression.setText(dlg.expressionText())
def opendefaultexpression(self):
"""
Open the default expression builder for setting default values based on QGIS Expressions.
"""
layer = self.form.QGISLayer
dlg = QgsExpressionBuilderDialog(layer, "Create default value expression", self)
text = self.defaultvalueText.text().strip('[%').strip('%]').strip()
dlg.setExpressionText(text)
if dlg.exec_():
self.defaultvalueText.setText('[% {} %]'.format(dlg.expressionText()))
def formtabchanged(self, index):
"""
Called when the tab widget changes tab. Normally used to control when to render the form preview on demand.
:param index: The index of the new tab.
"""
# Don't generate the form preview if we are not on the preview tab.
if index == 3:
self.generate_form_preview()
def generate_form_preview(self):
"""
Create the form preview to show to the user.
"""
form = self.form.copy()
form.settings['widgets'] = list(self.widgetmodel.widgets())
item = self.frame_2.layout().itemAt(0)
if item and item.widget():
item.widget().setParent(None)
featureform = FeatureForm.from_form(form, form.settings, None, {})
from roam import defaults
defaultwidgets = form.widgetswithdefaults()
layer = form.QGISLayer
try:
values = {}
feature = layer.getFeatures().next()
defaultvalues = defaults.default_values(defaultwidgets, feature, layer)
values.update(defaultvalues)
featureform.bindvalues(values)
except StopIteration:
pass
self.frame_2.layout().addWidget(featureform)
def usedfields(self):
"""
Return the list of fields that have been used by the the current form's widgets
"""
widgets = self.widgetmodel.widgets()
for widget in widgets:
if 'field' in widget:
yield widget['field']
def openformfolder(self, url):
"""
Open the form folder using the OS file manager.
:param url:
:return:
"""
QDesktopServices.openUrl(QUrl.fromLocalFile(self.form.folder))
def loadwidgettypes(self):
"""
Load all supported widgets into the combobox for the form designer.
:return:
"""
self.useablewidgets.blockSignals(True)
for widgettype in roam.editorwidgets.core.supportedwidgets():
try:
configclass = configmanager.editorwidgets.widgetconfigs[widgettype]
except KeyError:
continue
configwidget = configclass()
item = QStandardItem(widgettype)
item.setData(configwidget, Qt.UserRole)
item.setData(widgettype, Qt.UserRole + 1)
item.setIcon(QIcon(widgeticon(widgettype)))
self.useablewidgets.model().appendRow(item)
self.widgetstack.addWidget(configwidget)
self.useablewidgets.blockSignals(False)
def set_widget_config_state(self, *args):
"""
Enable or disable the widget config section based on widget count
:param args: Unused.
:return:
"""
haswidgets = self.widgetmodel.rowCount() > 0
self.widgetConfigTabs.setEnabled(haswidgets)
def add_section(self):
"""
Add a new widget section into the form. Widget sections can be used to group
widgets on the form together.
"""
currentindex = self.userwidgets.currentIndex()
widget = {"widget": "Section",
"name": "default"}
index = self.widgetmodel.addwidget(widget, currentindex.parent())
self.userwidgets.setCurrentIndex(index)
def newwidget(self, field=None):
"""
Create a new widget. Tries to match the field type to the right kind of widget as a best guess.
"""
mapping = {QVariant.String: "Text",
QVariant.Int: "Number",
QVariant.Double: "Number(Double)",
QVariant.ByteArray: "Image",
QVariant.Date: "Date",
QVariant.DateTime: "Date"}
widget = {}
if not field:
field = self.fieldsmodel.index(0, 0).data(Qt.UserRole)
if not field:
return
widget['field'] = field.name()
else:
widget['field'] = field.name()
try:
widget['widget'] = mapping[field.type()]
except KeyError:
widget['widget'] = 'Text'
# Grab the first field.
widget['name'] = field.name().replace("_", " ").title()
currentindex = self.userwidgets.currentIndex()
currentitem = self.widgetmodel.itemFromIndex(currentindex)
if currentitem and currentitem.iscontainor():
parent = currentindex
else:
parent = currentindex.parent()
index = self.widgetmodel.addwidget(widget, parent)
self.userwidgets.setCurrentIndex(index)
def auto_add_fields(self):
"""
Auto add all fields to the form config. Any missing fields will be added.
"""
used = list(self.usedfields())
for field in self.selected_layer.pendingFields():
if field.name() in used:
continue
self.newwidget(field)
def removewidget(self):
"""
Remove the selected widget from the widgets list
"""
widget, index = self.currentuserwidget
if index.isValid():
self.widgetmodel.removeRow(index.row(), index.parent())
def set_project(self, project, treenode):
"""
Set the project for this widget also sets the form from the tree node.
:note: This method is called from the parent node when the page and widget is loaded.
:param project: The current project.j
:param treenode: The current tree node. Can be used to signel a update back to the tree for it to update it
self.
"""
roam.utils.debug("FormWidget: Set Project")
self.blockWidgetSignels(True)
super(FormWidget, self).set_project(project, treenode)
self.formlayers.setSelectLayers(self.project.selectlayers)
form = self.treenode.form
self.form = form
self.setform(self.form)
self.blockWidgetSignels(False)
def blockWidgetSignels(self, blocking):
for widget in self.blockWidgets:
widget.blockSignals(blocking)
def updatefields(self, layer):
"""
Update the UI with the fields for the selected layer.
"""
self.fieldsmodel.setLayer(layer)
def setform(self, form):
"""
Update the UI with the currently selected form.
"""
def getfirstlayer():
"""
Get the first layer from the forms layer combo box
"""
index = self.formlayers.index(0, 0)
layer = index.data(Qt.UserRole)
layer = layer.name()
return layer
def loadwidgets(widget):
"""
Load the widgets into widgets model
"""
self.widgetmodel.clear()
self.widgetmodel.loadwidgets(form.widgets)
def findlayer(layername):
"""
Find the layer with the same name in the layer combobox widget
"""
index = self.formlayersmodel.findlayer(layername)
index = self.formlayers.mapFromSource(index)
layer = index.data(Qt.UserRole)
return index, layer
settings = form.settings
label = form.label
layername = settings.setdefault('layer', getfirstlayer())
layerindex, layer = findlayer(layername)
if not layer or not layerindex.isValid():
return
formtype = settings.setdefault('type', 'auto')
widgets = settings.setdefault('widgets', [])
newstyleform = settings.setdefault('newstyle', True)
self.set_icon(form.icon)
self.formLabelText.setText(label)
folderurl = "<a href='{path}'>{name}</a>".format(path=form.folder, name=os.path.basename(form.folder))
self.formfolderLabel.setText(folderurl)
self.newStyleCheck.setChecked(newstyleform)
self.layerCombo.setCurrentIndex(layerindex.row())
self.updatefields(layer)
if formtype == "auto":
formtype = "Auto Generated"
index = self.formtypeCombo.findText(formtype)
if index == -1:
self.formtypeCombo.insertItem(0, formtype)
self.formtypeCombo.setCurrentIndex(0)
else:
self.formtypeCombo.setCurrentIndex(index)
loadwidgets(widgets)
# Set the first widget
index = self.widgetmodel.index(0, 0)
if index.isValid():
self.userwidgets.setCurrentIndex(index)
# self.load_widget(index, None)
for i in reversed(range(self.eventsLayout.count())):
child = self.eventsLayout.itemAt(i)
if child.widget() and isinstance(child.widget(), EventWidget):
child = self.eventsLayout.takeAt(i)
child.widget().deleteLater()
events = settings.get('events', [])
self.load_events(events)
## This has overhead so only do it when the tab is active.
if self.formtab.currentIndex() == 3:
self.generate_form_preview()
def load_events(self, events):
for event in events:
self.addEventItem(data=event)
def addEventItem(self, data=None):
widget = EventWidget(self.form.QGISLayer, self.widgetmodel, self.eventsWidget)
widget.removeItem.connect(self.removeEventItem)
widget.set_data(data)
self.eventsLayout.addWidget(widget)
def removeEventItem(self, widget):
child = self.eventsLayout.removeWidget(widget)
widget.deleteLater()
def swapwidgetconfig(self, index):
widgetconfig, _, _ = self.current_config_widget
defaultvalue = widgetconfig.defaultvalue
self.defaultvalueText.setText(defaultvalue)
self.updatewidgetconfig({})
def load_widget(self, index, last):
"""
Update the UI with the config for the current selected widget.
"""
self.blockWidgetSignels(True)
if last:
roam.utils.debug("Saving last widget")
self._save_widget(last)
widget = index.data(Qt.UserRole)
if not widget:
self.blockWidgetSignels(False)
return
try:
roam.utils.debug("Loading widget: {0}".format(widget['_id']))
except KeyError:
pass
widgettype = widget['widget']
if widgettype == "Section":
self.propertiesStack.setCurrentIndex(1)
self.sectionNameText.blockSignals(True)
name = widget['name']
self.sectionNameText.setText(name)
self.sectionNameText.blockSignals(False)
return
else:
self.propertiesStack.setCurrentIndex(0)
field = widget['field']
self._currentwidgetid = widget.setdefault('_id', str(uuid.uuid4()))
required = widget.setdefault('required', False)
savevalue = widget.setdefault('rememberlastvalue', False)
name = widget.setdefault('name', field)
default = widget.setdefault('default', '')
readonly = widget.setdefault('read-only-rules', [])
hidden = widget.setdefault('hidden', False)
defaultevents = widget.setdefault('default_events', ['capture'])
try:
data = readonly[0]
except IndexError:
data = 'never'
index = self.readonlyCombo.findData(data)
self.readonlyCombo.setCurrentIndex(index)
index = self.defaultEventsCombo.findData(defaultevents)
self.defaultEventsCombo.setCurrentIndex(index)
if not isinstance(default, dict):
self.defaultTab.setCurrentIndex(0)
self.defaultvalueText.setText(default)
else:
self.defaultTab.setCurrentIndex(1)
layer = default['layer']
# TODO Handle the case of many layer fall though with defaults
# Not sure how to handle this in the UI just yet
if isinstance(layer, list):
layer = layer[0]
if isinstance(layer, basestring):
defaultfield = default['field']
expression = default['expression']
self.defaultValueExpression.setText(expression)
layer = roam.api.utils.layer_by_name(layer)
# self.defaultLayerCombo.setLayer(layer)
self.defaultFieldCombo.setLayer(layer)
self.defaultFieldCombo.setField(defaultfield)
self.nameText.setText(name)
self.requiredCheck.setChecked(required)
self.savevalueCheck.setChecked(savevalue)
self.hiddenCheck.setChecked(hidden)
if field is not None:
index = self.fieldList.findData(field.lower(), QgsFieldModel.FieldNameRole)
if index > -1:
self.fieldList.setCurrentIndex(index)
else:
self.fieldList.setEditText(field)
index = self.useablewidgets.findText(widgettype)
if index > -1:
self.useablewidgets.setCurrentIndex(index)
config = widget.get('config', {})
self.updatewidgetconfig(config)
self.blockWidgetSignels(False)
@property
def currentuserwidget(self):
"""
Return the selected user widget.
"""
index = self.userwidgets.currentIndex()
return index.data(Qt.UserRole), index
@property
def current_config_widget(self):
"""
Return the selected widget in the widget combo.
"""
index = self.useablewidgets.currentIndex()
index = self.possiblewidgetsmodel.index(index, 0)
return index.data(Qt.UserRole), index, index.data(Qt.UserRole + 1)
def updatewidgetconfig(self, config):
configwidget, _, _ = self.current_config_widget
self.setconfigwidget(configwidget, config)
def setconfigwidget(self, configwidget, config):
"""
Set the active config widget.
"""
try:
configwidget.widgetdirty.disconnect(self._save_current_widget)
except TypeError:
pass
self.widgetstack.setCurrentWidget(configwidget)
configwidget.setconfig(config)
configwidget.widgetdirty.connect(self._save_current_widget)
def _save_current_widget(self, *args):
_, index = self.currentuserwidget
self._save_widget(index)
def _save_widget(self, index):
# roam.utils.debug("FormWidget: Save widget")
print("SENDER: {}".format(self.sender().objectName()))
if not self.project:
return
widgetdata = self._get_widget_config()
try:
roam.utils.debug("Saving widget {} in project {}".format(widgetdata['_id'], self.project.name))
except KeyError:
pass
self.widgetmodel.setData(index, widgetdata, Qt.UserRole)
def _get_default_config(self):
if self.defaultTab.currentIndex() == 0:
return self.defaultvalueText.text()
else:
default = {}
default['layer'] = self.defaultLayerCombo.currentLayer().name()
default['field'] = self.defaultFieldCombo.currentField()
default['expression'] = self.defaultValueExpression.text()
default['type'] = 'layer-value'
return default
def _get_widget_config(self):
def current_field():
row = self.fieldList.currentIndex()
field = self.fieldsmodel.index(row, 0).data(QgsFieldModel.FieldNameRole)
return field
configwidget, _, widgettype = self.current_config_widget
if self.propertiesStack.currentIndex() == 1:
return {'name': self.sectionNameText.text(),
"widget": "Section"}
widget = {}
widget['field'] = current_field()
widget['default'] = self._get_default_config()
widget['widget'] = widgettype
widget['required'] = self.requiredCheck.isChecked()
widget['rememberlastvalue'] = self.savevalueCheck.isChecked()
widget['_id'] = self._currentwidgetid
widget['name'] = self.nameText.text()
widget['read-only-rules'] = [self.readonlyCombo.itemData(self.readonlyCombo.currentIndex())]
widget['default_events'] = self.defaultEventsCombo.itemData(self.defaultEventsCombo.currentIndex())
widget['hidden'] = self.hiddenCheck.isChecked()
widget['config'] = configwidget.getconfig()
return widget
@property
def selected_layer(self):
index = self.formlayers.index(self.layerCombo.currentIndex(), 0)
layer = index.data(Qt.UserRole)
return layer
def write_config(self):
roam.utils.debug("Write form config")
if not self.selected_layer:
return
self._save_current_widget()
self.form.settings['layer'] = self.selected_layer.name()
formtype = self.formtypeCombo.currentText()
self.form.settings['type'] = "auto" if formtype == "Auto Generated" else formtype
self.form.settings['label'] = self.formLabelText.text()
self.form.settings['newstyle'] = self.newStyleCheck.isChecked()
self.form.settings['widgets'] = list(self.widgetmodel.widgets())
events = []
for i in range(self.eventsLayout.count()):
child = self.eventsLayout.itemAt(i)
if child.widget() and isinstance(child.widget(), EventWidget):
widget = child.widget()
eventdata = widget.get_data()
events.append(eventdata)
self.form.settings['events'] = events