本文整理汇总了Python中qgis.gui.QgsMessageBar.pushWarning方法的典型用法代码示例。如果您正苦于以下问题：Python QgsMessageBar.pushWarning方法的具体用法？Python QgsMessageBar.pushWarning怎么用？Python QgsMessageBar.pushWarning使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类qgis.gui.QgsMessageBar的用法示例。
在下文中一共展示了QgsMessageBar.pushWarning方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: accept
# 需要导入模块: from qgis.gui import QgsMessageBar [as 别名]
# 或者: from qgis.gui.QgsMessageBar import pushWarning [as 别名]
def accept(self):
self.tblStatistics.setRowCount(0)
layer = self.cmbLayer.currentLayer()
if self.chkSelectedOnly.isChecked() and layer.selectedFeatureCount() == 0:
QgsMessageBar.pushWarning(self.tr("No selection"),
self.tr("There is no selection in the input layer. Uncheck "
"corresponding option or select some features before "
"running analysis"))
return
self.calculator.setLayer(layer)
self.calculator.setField(self.cmbField.currentField())
self.calculator.setSelectedOnly(self.chkSelectedOnly.isChecked())
self.btnOk.setEnabled(False)
self.btnClose.setEnabled(False)
self.thread.start()示例2: ModelerDialog
# 需要导入模块: from qgis.gui import QgsMessageBar [as 别名]
# 或者: from qgis.gui.QgsMessageBar import pushWarning [as 别名]
#.........这里部分代码省略.........
svg.setSize(QSize(totalRect.width(), totalRect.height()))
svg.setViewBox(svgRect)
svg.setTitle(self.model.displayName())
painter = QPainter(svg)
self.scene.render(painter, svgRect, totalRect)
painter.end()
self.bar.pushMessage("", self.tr("Successfully exported model as SVG to <a href=\"{}\">{}</a>").format(QUrl.fromLocalFile(filename).toString(), QDir.toNativeSeparators(filename)), level=Qgis.Success, duration=5)
self.repaintModel(controls=True)
def exportAsPython(self):
filename, filter = QFileDialog.getSaveFileName(self,
self.tr('Save Model As Python Script'), '',
self.tr('Processing scripts (*.py *.PY)'))
if not filename:
return
if not filename.lower().endswith('.py'):
filename += '.py'
text = self.model.asPythonCode()
with codecs.open(filename, 'w', encoding='utf-8') as fout:
fout.write(text)
self.bar.pushMessage("", self.tr("Successfully exported model as python script to <a href=\"{}\">{}</a>").format(QUrl.fromLocalFile(filename).toString(), QDir.toNativeSeparators(filename)), level=Qgis.Success, duration=5)
def can_save(self):
"""
Tests whether a model can be saved, or if it is not yet valid
:return: bool
"""
if str(self.textName.text()).strip() == '':
self.bar.pushWarning(
"", self.tr('Please a enter model name before saving')
)
return False
return True
def saveModel(self, saveAs):
if not self.can_save():
return
self.model.setName(str(self.textName.text()))
self.model.setGroup(str(self.textGroup.text()))
if self.model.sourceFilePath() and not saveAs:
filename = self.model.sourceFilePath()
else:
filename, filter = QFileDialog.getSaveFileName(self,
self.tr('Save Model'),
ModelerUtils.modelsFolders()[0],
self.tr('Processing models (*.model3 *.MODEL3)'))
if filename:
if not filename.endswith('.model3'):
filename += '.model3'
self.model.setSourceFilePath(filename)
if filename:
if not self.model.toFile(filename):
if saveAs:
QMessageBox.warning(self, self.tr('I/O error'),
self.tr('Unable to save edits. Reason:\n {0}').format(str(sys.exc_info()[1])))
else:
QMessageBox.warning(self, self.tr("Can't save model"), QCoreApplication.translate('QgsPluginInstallerInstallingDialog', (
"This model can't be saved in its original location (probably you do not "
"have permission to do it). Please, use the 'Save as…' option."))
)