本文整理汇总了Python中qgis.gui.QgsMessageBar.pushInfo方法的典型用法代码示例。如果您正苦于以下问题：Python QgsMessageBar.pushInfo方法的具体用法？Python QgsMessageBar.pushInfo怎么用？Python QgsMessageBar.pushInfo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.pushInfo方法的1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: view
# 需要导入模块: from qgis.gui import QgsMessageBar [as 别名]
# 或者: from qgis.gui.QgsMessageBar import pushInfo [as 别名]
def view(self):
"""create view and import layers"""
layer = QgsMapLayerRegistry.instance().mapLayer(
self.current_layers[0] )
uri = QgsDataSourceURI(layer.source())
mtch = re.match(r'(.+)_([^_]+)_rev_(head|\d+)', uri.schema())
schema = mtch.group(1)
assert(schema)
dlg = QDialog()
layout = QVBoxLayout(dlg)
button_box = QDialogButtonBox(dlg)
button_box.setStandardButtons(
QDialogButtonBox.Cancel|QDialogButtonBox.Ok)
button_box.accepted.connect(dlg.accept)
button_box.rejected.connect(dlg.reject)
user_msg1 = QgsMessageBar(dlg)
user_msg1.pushInfo("Select:", "one [many] for single [multiple] "
"revisions. Fetching may take time.")
pcur = versioning_base.Db( psycopg2.connect(self.pg_conn_info()) )
pcur.execute("SELECT rev, commit_msg, branch, date, author "
"FROM "+schema+".revisions")
revs = pcur.fetchall()
pcur.close()
tblw = QTableWidget( dlg )
tblw.setRowCount(len(revs))
tblw.setColumnCount(6)
tblw.setSortingEnabled(True)
tblw.setHorizontalHeaderLabels(['Select','Revision', 'Commit Message',
'Branch', 'Date', 'Author'])
tblw.verticalHeader().setVisible(False)
for i, rev in enumerate(revs):
for j, item in enumerate(rev):
chkBoxItem = QTableWidgetItem()
chkBoxItem.setFlags(Qt.ItemIsUserCheckable | Qt.ItemIsEnabled)
chkBoxItem.setCheckState(Qt.Unchecked)
tblw.setItem(i, 0, chkBoxItem)
tblw.setItem(i, j+1, QTableWidgetItem( str(item) ))
layout.addWidget( user_msg1 )
layout.addWidget( tblw )
layout.addWidget( button_box )
dlg.resize( 650, 300 )
if not dlg.exec_() :
return
rows = set()
revision_number_list = []
for i in range(len(revs)):
if tblw.item(i,0).checkState():
print "Revision "+ str(i + 1) +" will be fetched"
revision_number_list.append(i + 1)
rows.add(tblw.item(i,0).row())
progressMessageBar = self.iface.messageBar().createMessage("Querying "
"the database for revision(s) "+str(revision_number_list))
progress = QProgressBar()
progress.setMaximum(len(rows))
progress.setAlignment(Qt.AlignLeft|Qt.AlignVCenter)
progressMessageBar.layout().addWidget(progress)
self.iface.messageBar().pushWidget(progressMessageBar, self.iface.messageBar().INFO)
progress.setValue(0)
for i, row in enumerate(rows):
progress.setValue(i+1)
branch = revs[row][2]
rev = revs[row][0]
versioning_base.add_revision_view(uri.connectionInfo(),
schema, branch, rev )
grp_name = branch+' revision '+str(rev)
grp_idx = self.iface.legendInterface().addGroup( grp_name )
for layer_id in reversed(self.current_layers):
layer = QgsMapLayerRegistry.instance().mapLayer(layer_id)
new_uri = QgsDataSourceURI(layer.source())
new_uri.setDataSource(schema+'_'+branch+'_rev_'+str(rev),
new_uri.table(),
new_uri.geometryColumn(),
new_uri.sql(),
new_uri.keyColumn())
display_name = QgsMapLayerRegistry.instance().mapLayer(layer_id).name()
src = new_uri.uri().replace('()','')
new_layer = self.iface.addVectorLayer( src,
display_name, 'postgres')
self.iface.legendInterface().moveLayer( new_layer, grp_idx)
self.iface.messageBar().clearWidgets()