Skip to content
Permalink
Browse files

[processing] some methods to add Processing algorithms in menus and b…

…uttons
  • Loading branch information
volaya committed Sep 24, 2015
1 parent 935dca0 commit 4d4ce9495c449b267bf74d2922a7a65ac6b690ea
Showing with 61 additions and 0 deletions.
  1. +61 −0 python/plugins/processing/gui/utils.py
@@ -0,0 +1,61 @@
from qgis.utils import iface
from PyQt4 import QtGui
from processing.core.Processing import Processing
from processing.gui.MessageDialog import MessageDialog
from processing.gui.AlgorithmDialog import AlgorithmDialog

algorithmsToolbar = None

def addAlgorithmEntry(algname, menuName, submenuName, actionText = None, icon = None, addButton = False):
alg = Processing.getAlgorithm(algname)
if alg is None:
return
if menuName:
menu = getMenu(menuName, iface.mainWindow().menuBar())
submenu = getMenu(submenuName, menu)
action = QtGui.QAction(icon or alg.getIcon(), actionText or alg.name, iface.mainWindow())
action.triggered.connect(lambda: _executeAlgorithm(alg))
submenu.addAction(action)
if addButton:
global algorithmsToolbar
if algorithmsToolbar is None:
algorithmsToolbar = iface.addToolBar("ProcessingAlgorithms")
algorithmsToolbar.addAction(action)


def _executeAlgorithm(alg):
message = alg.checkBeforeOpeningParametersDialog()
if message:
dlg = MessageDialog()
dlg.setTitle(tr('Missing dependency'))
dlg.setMessage(
tr('<h3>Missing dependency. This algorithm cannot '
'be run :-( </h3>\n%s') % message)
dlg.exec_()
return
alg = alg.getCopy()
dlg = alg.getCustomParametersDialog()
if not dlg:
dlg = AlgorithmDialog(alg)
canvas = iface.mapCanvas()
prevMapTool = canvas.mapTool()
dlg.show()
dlg.exec_()
if canvas.mapTool() != prevMapTool:
try:
canvas.mapTool().reset()
except:
pass
canvas.setMapTool(prevMapTool)


def getMenu(name, parent):
menus = [c for c in parent.children() if isinstance(c, QtGui.QMenu)]
menusDict = {m.title():m for m in menus}
if name in menusDict:
return menusDict[name]
else:
menu = QtGui.QMenu(name, parent)
parent.addMenu(menu)
return menu

0 comments on commit 4d4ce94

Please sign in to comment.
You can’t perform that action at this time.