/
deactivate_active_labels.py
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/
deactivate_active_labels.py
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# -*- coding: utf-8 -*-
"""
/***************************************************************************
DeactivateActiveLabels
A QGIS plugin
Deactivate or Active Labels from all layes
-------------------
begin : 2017-07-06
git sha : $Format:%H$
copyright : (C) 2017 by Carlos Eduardo Cagna\ IBGE
email : carlos.cagna@ibge.gov.br
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
"""
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from PyQt4.QtSql import *
from qgis.core import *
from qgis.utils import *
from qgis.gui import *
from PyQt4.QtCore import QSettings, QTranslator, qVersion, QCoreApplication
from PyQt4.QtGui import QAction, QIcon
# Initialize Qt resources from file resources.py
import resources
# Import the code for the dialog
from deactivate_active_labels_dialog import DeactivateActiveLabelsDialog
import os.path
class DeactivateActiveLabels:
"""QGIS Plugin Implementation."""
def __init__(self, iface):
"""Constructor.
:param iface: An interface instance that will be passed to this class
which provides the hook by which you can manipulate the QGIS
application at run time.
:type iface: QgsInterface
"""
# Save reference to the QGIS interface
self.iface = iface
# initialize plugin directory
self.plugin_dir = os.path.dirname(__file__)
# initialize locale
locale = QSettings().value('locale/userLocale')[0:2]
locale_path = os.path.join(
self.plugin_dir,
'i18n',
'DeactivateActiveLabels_{}.qm'.format(locale))
if os.path.exists(locale_path):
self.translator = QTranslator()
self.translator.load(locale_path)
if qVersion() > '4.3.3':
QCoreApplication.installTranslator(self.translator)
# Declare instance attributes
self.actions = []
# TODO: We are going to let the user set this up in a future iteration
self.toolbar = self.iface.addToolBar(u'DeactivateActiveLabels')
self.toolbar.setObjectName(u'DeactivateActiveLabels')
def tr(self, message):
"""Get the translation for a string using Qt translation API.
We implement this ourselves since we do not inherit QObject.
:param message: String for translation.
:type message: str, QString
:returns: Translated version of message.
:rtype: QString
"""
# noinspection PyTypeChecker,PyArgumentList,PyCallByClass
return QCoreApplication.translate('DeactivateActiveLabels', message)
def createAction(self, icon_path, text, callback):
action = QAction(
QIcon(icon_path),
text,
self.iface.mainWindow())
# connect the action to the run method
action.setCheckable(True)
action.toggled.connect(callback)
return action
def createToolButton(self, parent, text):
button = QToolButton(parent)
button.setObjectName(text)
button.setToolButtonStyle(Qt.ToolButtonIconOnly)
parent.addWidget(button)
return button
def add_action(
self,
icon_path,
text,
callback,
enabled_flag=True,
add_to_menu=True,
add_to_toolbar=True,
status_tip=None,
whats_this=None,
parent=None):
"""Add a toolbar icon to the toolbar.
:param icon_path: Path to the icon for this action. Can be a resource
path (e.g. ':/plugins/foo/bar.png') or a normal file system path.
:type icon_path: str
:param text: Text that should be shown in menu items for this action.
:type text: str
:param callback: Function to be called when the action is triggered.
:type callback: function
:param enabled_flag: A flag indicating if the action should be enabled
by default. Defaults to True.
:type enabled_flag: bool
:param add_to_menu: Flag indicating whether the action should also
be added to the menu. Defaults to True.
:type add_to_menu: bool
:param add_to_toolbar: Flag indicating whether the action should also
be added to the toolbar. Defaults to True.
:type add_to_toolbar: bool
:param status_tip: Optional text to show in a popup when mouse pointer
hovers over the action.
:type status_tip: str
:param parent: Parent widget for the new action. Defaults None.
:type parent: QWidget
:param whats_this: Optional text to show in the status bar when the
mouse pointer hovers over the action.
:returns: The action that was created. Note that the action is also
added to self.actions list.
:rtype: QAction
"""
# Create the dialog (after translation) and keep reference
icon = QIcon(icon_path)
action = QAction(icon, text, parent)
action.triggered.connect(callback)
action.setEnabled(enabled_flag)
if status_tip is not None:
action.setStatusTip(status_tip)
if whats_this is not None:
action.setWhatsThis(whats_this)
if add_to_toolbar:
self.toolbar.addAction(action)
self.actions.append(action)
return action
def initGui(self):
"""Create the menu entries and toolbar icons inside the QGIS GUI."""
self.actionCriar = self.createAction(':/plugins/DeactivateActiveLabels/label.png',
u"Deactivate/Active Labels (Select Layer)",
self.run)
self.tool = self.run
#QToolButtons
self.activeButton = self.createToolButton(self.toolbar, u"Active Label(Select Layer)")
self.activeButton.addAction(self.actionCriar)
self.activeButton.setDefaultAction(self.actionCriar)
layer = self.iface.activeLayer()
if layer <> None:
if layer.customProperty("labeling/enabled")== 'True':
self.activeButton.setChecked(True)
self.iface.currentLayerChanged['QgsMapLayer*'].connect(self.toggle)
self.actionCriar = self.createAction(':/plugins/DeactivateActiveLabels/labels.png',
u"Invert Actives Labels",
self.run2)
self.tool = self.run
#QToolButtons
self.allButton = self.createToolButton(self.toolbar, u"Invert Actives Labels")
self.allButton.setDefaultAction(self.actionCriar)
def unload(self):
"""Removes the plugin menu item and icon from QGIS GUI."""
for action in self.actions:
self.iface.removePluginMenu(
self.tr(u'&Deactivate/Active Labels'),
action)
self.iface.removeToolBarIcon(action)
# remove the toolbar
del self.toolbar
def run(self):
"""Run method that performs all the real work"""
if self.iface.activeLayer() <> None:
layer = self.iface.activeLayer()
if layer.customProperty("labeling/enabled")== 'True' or layer.customProperty("labeling/enabled")== 'true':
layer.setCustomProperty("labeling/enabled", False)
self.activeButton.setChecked(False)
else :
layer.setCustomProperty("labeling/enabled", 'True')
self.activeButton.setChecked(True)
self.iface.mapCanvas().refresh()
else:
self.activeButton.setChecked(False)
def run2(self):
"""Run method that performs all the real work"""
layers = self.iface.legendInterface()
for layer in layers.layers():
if layer.customProperty("labeling/enabled")== 'True' or layer.customProperty("labeling/enabled")== 'true':
layer.setCustomProperty("labeling/enabled", 'False')
else :
layer.setCustomProperty("labeling/enabled", 'True')
self.toggle()
self.allButton.setChecked(False)
self.iface.mapCanvas().refresh()
def toggle(self):
mc = self.iface.mapCanvas()
layer = mc.currentLayer()
if layer is None:
return
if layer.customProperty("labeling/enabled")== 'True' or layer.customProperty("labeling/enabled")== 'true':
self.activeButton.setChecked(True)
else:
self.activeButton.setChecked(False)