本文整理汇总了Python中PyQt4.QtGui.QMenu.sender方法的典型用法代码示例。如果您正苦于以下问题：Python QMenu.sender方法的具体用法？Python QMenu.sender怎么用？Python QMenu.sender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PyQt4.QtGui.QMenu的用法示例。
在下文中一共展示了QMenu.sender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: __init__
# 需要导入模块: from PyQt4.QtGui import QMenu [as 别名]
# 或者: from PyQt4.QtGui.QMenu import sender [as 别名]
#.........这里部分代码省略.........
scales_list = []
# TODO: remake when fix: http://hub.qgis.org/issues/11915
# QgsScaleUtils.loadScaleList(scales_filename, scales_list, importer_message)
xml_root = ET.parse(scales_filename).getroot()
for scale_el in xml_root.findall('scale'):
scales_list.append(scale_el.get('value'))
return scales_list
@property
def scales_list(self):
if not self._scales_list:
self._scales_list = self._load_scales_list()
return self._scales_list
def set_nearest_scale(self):
#get current scale
curr_scale = self.iface.mapCanvas().scale()
#find nearest
nearest_scale = sys.maxint
for scale_str in self.scales_list:
scale = scale_str.split(':')[1]
scale_int = int(scale)
if abs(scale_int-curr_scale) < abs(nearest_scale - curr_scale):
nearest_scale = scale_int
#set new scale
if nearest_scale != sys.maxint:
self.iface.mapCanvas().zoomScale(nearest_scale)
def set_tms_scales(self):
res = QMessageBox.question(
self.iface.mainWindow(),
self.tr('QuickMapServices'),
self.tr('Set SlippyMap scales for current project? \nThe previous settings will be overwritten!'),
QMessageBox.Yes | QMessageBox.No)
if res == QMessageBox.Yes:
# set scales
QgsProject.instance().writeEntry('Scales', '/ScalesList', self.scales_list)
# activate
QgsProject.instance().writeEntry('Scales', '/useProjectScales', True)
# update in main window
# ???? no way to update: http://hub.qgis.org/issues/11917
def insert_layer(self):
#TODO: need factory!
action = self.menu.sender()
ds = action.data()
if ds.type == KNOWN_DRIVERS.TMS:
service_info = TileServiceInfo(self.tr(ds.alias), ds.copyright_text, ds.tms_url)
service_info.zmin = ds.tms_zmin or service_info.zmin
service_info.zmax = ds.tms_zmax or service_info.zmax
layer = TileLayer(self, service_info, False)
if ds.type == KNOWN_DRIVERS.GDAL:
layer = QgsRasterLayer(ds.gdal_source_file, self.tr(ds.alias))
if ds.type == KNOWN_DRIVERS.WMS:
qgis_wms_uri = u''
if ds.wms_params:
qgis_wms_uri += ds.wms_params
if ds.wms_layers:
layers = ds.wms_layers.split(',')
if layers:
if ds.wms_turn_over:
layers.reverse()
qgis_wms_uri += '&layers='+'&layers='.join(layers)+'&styles='*len(layers)
qgis_wms_uri += '&url=' + ds.wms_url
layer = QgsRasterLayer(qgis_wms_uri, self.tr(ds.alias), KNOWN_DRIVERS.WMS.lower())
if not layer.isValid():
error_message = self.tr('Layer %s can\'t be added to the map!') % ds.alias
self.iface.messageBar().pushMessage(self.tr('Error'),
error_message,
level=QgsMessageBar.CRITICAL)
QgsMessageLog.logMessage(error_message, level=QgsMessageLog.CRITICAL)
else:
# Set attribs
layer.setAttribution(ds.copyright_text)
layer.setAttributionUrl(ds.copyright_link)
# Insert to bottom
QgsMapLayerRegistry.instance().addMapLayer(layer, False)
toc_root = QgsProject.instance().layerTreeRoot()
toc_root.insertLayer(len(toc_root.children()), layer)
# Save link
self.service_layers.append(layer)
def unload(self):
# remove menu
self.iface.webMenu().removeAction(self.menu.menuAction())
# remove toolbar button
self.iface.webToolBar().removeAction(self.tb_action)
# clean vars
self.menu = None
self.toolbutton = None
self.service_actions = None
self.ds_list = None
self.groups_list = None
self.service_layers = None
# Unregister plugin layer type
QgsPluginLayerRegistry.instance().removePluginLayerType(TileLayer.LAYER_TYPE)示例2: __init__
# 需要导入模块: from PyQt4.QtGui import QMenu [as 别名]
# 或者: from PyQt4.QtGui.QMenu import sender [as 别名]
#.........这里部分代码省略.........
def set_nearest_scale(self):
# get current scale
curr_scale = self.iface.mapCanvas().scale()
# find nearest
nearest_scale = sys.maxint
for scale_str in self.scales_list:
scale = scale_str.split(":")[1]
scale_int = int(scale)
if abs(scale_int - curr_scale) < abs(nearest_scale - curr_scale):
nearest_scale = scale_int
# set new scale
if nearest_scale != sys.maxint:
self.iface.mapCanvas().zoomScale(nearest_scale)
def set_tms_scales(self):
res = QMessageBox.question(
self.iface.mainWindow(),
self.tr("QuickMapServices"),
self.tr("Set SlippyMap scales for current project? \nThe previous settings will be overwritten!"),
QMessageBox.Yes | QMessageBox.No,
)
if res == QMessageBox.Yes:
# set scales
QgsProject.instance().writeEntry("Scales", "/ScalesList", self.scales_list)
# activate
QgsProject.instance().writeEntry("Scales", "/useProjectScales", True)
# update in main window
# ???? no way to update: http://hub.qgis.org/issues/11917
def insert_layer(self):
# TODO: need factory!
layers4add = []
action = self.menu.sender()
ds = action.data()
if ds.type == KNOWN_DRIVERS.TMS:
service_info = TileServiceInfo(self.tr(ds.alias), ds.copyright_text, ds.tms_url)
service_info.zmin = ds.tms_zmin or service_info.zmin
service_info.zmax = ds.tms_zmax or service_info.zmax
if ds.tms_y_origin_top is not None:
service_info.yOriginTop = ds.tms_y_origin_top
service_info.epsg_crs_id = ds.tms_epsg_crs_id
service_info.postgis_crs_id = ds.tms_postgis_crs_id
service_info.custom_proj = ds.tms_custom_proj
layer = TileLayer(self, service_info, False)
layers4add.append(layer)
if ds.type == KNOWN_DRIVERS.GDAL:
layer = QgsRasterLayer(ds.gdal_source_file, self.tr(ds.alias))
layers4add.append(layer)
if ds.type == KNOWN_DRIVERS.WMS:
qgis_wms_uri = u""
if ds.wms_params:
qgis_wms_uri += ds.wms_params
if ds.wms_layers:
layers = ds.wms_layers.split(",")
if layers:
if ds.wms_turn_over:
layers.reverse()
qgis_wms_uri += "&layers=" + "&layers=".join(layers) + "&styles=" * len(layers)
qgis_wms_uri += "&url=" + ds.wms_url
layer = QgsRasterLayer(qgis_wms_uri, self.tr(ds.alias), KNOWN_DRIVERS.WMS.lower())
layers4add.append(layer)
if ds.type == KNOWN_DRIVERS.WFS:
qgis_wfs_uri_base = ds.wfs_url
o = urlparse.urlparse(qgis_wfs_uri_base)
request_attrs = dict(urlparse.parse_qsl(o.query))