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qgswpstools.py
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# -*- coding: utf-8 -*-
"""
/***************************************************************************
QGIS Web Processing Service Plugin
-------------------------------------------------------------------
Date : 09 November 2009
Copyright : (C) 2009 by Dr. Horst Duester
email : horst dot duester at kappasys dot ch
***************************************************************************
* *
* 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 builtins import range
from qgis.PyQt.QtWidgets import *
from qgis.PyQt.QtCore import *
from qgis.PyQt.QtNetwork import *
from qgis.PyQt import QtXml
from qgis.PyQt.QtWebKitWidgets import QWebView
from qgis.core import *
from .apicompat.sipv2.compat import pystring
# Helper class for native QGIS GUI
class QgsWpsTools(QObject):
def __init__(self, iface, dlg=None):
QObject.__init__(self)
self.iface = iface
self.dlg = dlg
##############################################################################
def uniqueLayerName(self, name):
mapLayers = QgsProject.instance().mapLayers()
i=1
layerNameList = []
for (k, layer) in mapLayers.items():
layerNameList.append(layer.name())
layerNameList.sort()
for layerName in layerNameList:
if layerName == name+pystring(i):
i += 1
newName = name+pystring(i)
return newName
################################################################################
##############################################################################
def getLayerNameList(self, dataType=0, all=False):
myLayerList = []
if all:
mapLayers = QgsProject.instance().mapLayers()
for (k, layer) in mapLayers.items():
myLayerList.append(layer.name())
else:
mc=self.iface.mapCanvas()
nLayers=mc.layerCount()
for l in range(nLayers):
# Nur die Layer des gew�nschten Datentypes ausw�hlen 0=Vectorlayer 1=Rasterlayer
if mc.layer(l).type() == dataType:
myLayerList.append(mc.layer(l).name())
return myLayerList
##############################################################################
def getVLayer(self,name):
# Die sichtbaren Layer der Legende zur weiteren Bearbeitung holen
# get the map canvas
mc=self.iface.mapCanvas()
# how many layers are there?
nLayers=mc.layerCount()
for l in range(nLayers):
layer = mc.layer(l)
if layer.name() == name:
return layer
##############################################################################
def getProviderName(self, name):
mc=self.iface.mapCanvas()
# how many layers are there?
nLayers=mc.layerCount()
for l in range(nLayers):
layer = mc.layer(l)
if layer.name() == name:
layerProvider = layer.dataProvider()
providerName = layerProvider.name()
return providerName
##############################################################################
def getTableName(self, name):
# Die sichtbaren Layer der Legende zur weiteren Bearbeitung holen
# get the map canvas
mc=self.iface.mapCanvas()
# how many layers are there?
nLayers=mc.layerCount()
for l in range(nLayers):
layer = mc.layer(l)
if layer.name() == name:
dataSource = QgsDataSourceUri(layer.dataProvider().dataSourceUri())
theTableName = dataSource.quotedTablename()
theTableName.replace('"','')
return theTableName
##############################################################################
def getLayerSourceList(self):
# get the map canvas
mc=self.iface.mapCanvas()
# how many layers are there?
nLayers=mc.layerCount()
# loopage:
layerSourceList = []
for l in range(nLayers):
layer = mc.layer(l)
layerSource = pystring(layer.publicSource()).lower()
layerSourceList.append(layerSource)
return layerSourceList
##############################################################################
def popUpMessageBox(self, title, detailedText):
"""A message box used for debugging AND showing literal outputs"""
mbox = WPSMessageBox()
# if detailedText is a small text then just show it together with title
# else the user always has to open the details box just to see for example 'Result: 2'
if len(detailedText) < 50:
title = '{}: {}'.format(title, detailedText)
mbox.setText(title)
mbox.setDetailedText(detailedText)
mbox.exec_()
pass
##############################################################################
def addComplexInputComboBox(self, title, name, mimeType, namesList, minOccurs, dlgProcessScrollAreaWidget, dlgProcessScrollAreaWidgetLayout):
"""Adds a combobox to select a raster or vector map as input to the process tab"""
groupbox = QGroupBox(dlgProcessScrollAreaWidget)
#groupbox.setTitle(name)
groupbox.setMinimumHeight(25)
layout = QHBoxLayout()
# This input is optional
if minOccurs == 0:
namesList.append("<None>")
comboBox = QComboBox(groupbox)
comboBox.addItems(namesList)
comboBox.setObjectName(name)
comboBox.setMinimumWidth(179)
comboBox.setMaximumWidth(179)
comboBox.setMinimumHeight(25)
myLabel = QLabel(dlgProcessScrollAreaWidget)
myLabel.setObjectName("qLabel"+name)
if minOccurs > 0:
string = "[" + name + "] <br>" + title
myLabel.setText("<font color='Red'>" + string + "</font>" + " <br>(" + mimeType + ")")
else:
string = "[" + name + "]\n" + title + " <br>(" + mimeType + ")"
myLabel.setText(string)
myLabel.setWordWrap(True)
myLabel.setMinimumWidth(400)
myLabel.setMinimumHeight(25)
layout.addWidget(myLabel)
layout.addStretch(1)
layout.addWidget(comboBox)
groupbox.setLayout(layout)
dlgProcessScrollAreaWidgetLayout.addWidget(groupbox)
return comboBox
##############################################################################
def addComplexOutputComboBox(self, widget, name, title, mimeType, processIdentifier):
"""Adds a combobox to select a raster or vector map as input to the process tab"""
groupbox = QGroupBox(widget)
groupbox.setMinimumHeight(25)
layout = QHBoxLayout()
namesList = []
# Generate a unique name for the layer
namesList.append(self.uniqueLayerName(processIdentifier + "_" + name + "_"))
namesList.append("<None>")
comboBox = QComboBox(groupbox)
comboBox.setEditable(True)
comboBox.addItems(namesList)
comboBox.setObjectName(name)
comboBox.setMinimumWidth(250)
comboBox.setMaximumWidth(250)
comboBox.setMinimumHeight(25)
comboBox.setEditable(False)
myLabel = QLabel(widget)
myLabel.setObjectName("qLabel"+name)
string = "[" + name + "] <br>" + title
myLabel.setText("<font color='Green'>" + string + "</font>" + " <br>(" + mimeType + ")")
myLabel.setWordWrap(True)
myLabel.setMinimumWidth(400)
myLabel.setMinimumHeight(25)
layout.addWidget(myLabel)
layout.addStretch(1)
layout.addWidget(comboBox)
groupbox.setLayout(layout)
return groupbox, comboBox
##############################################################################
def addComplexInputListWidget(self, title, name, mimeType, namesList, minOccurs, dlgProcessScrollAreaWidget, dlgProcessScrollAreaWidgetLayout):
"""Adds a widget for multiple raster or vector selections as inputs to the process tab"""
groupbox = QGroupBox(dlgProcessScrollAreaWidget)
#groupbox.setTitle(name)
groupbox.setMinimumHeight(25)
layout = QHBoxLayout()
# This input is optional
if minOccurs == 0:
namesList.append("<None>")
listWidget = QListWidget(groupbox)
listWidget.addItems(namesList)
listWidget.setObjectName(name)
listWidget.setMinimumWidth(179)
listWidget.setMaximumWidth(179)
listWidget.setMinimumHeight(120)
listWidget.setMaximumHeight(120)
listWidget.setSelectionMode(QAbstractItemView.ExtendedSelection)
myLabel = QLabel(dlgProcessScrollAreaWidget)
myLabel.setObjectName("qLabel"+name)
if minOccurs > 0:
string = "[" + name + "] <br>" + title
myLabel.setText("<font color='Red'>" + string + "</font>" + " <br>(" + mimeType + ")")
else:
string = "[" + name + "]\n" + title + " <br>(" + mimeType + ")"
myLabel.setText(string)
myLabel.setWordWrap(True)
myLabel.setMinimumWidth(400)
myLabel.setMinimumHeight(25)
layout.addWidget(myLabel)
layout.addStretch(1)
layout.addWidget(listWidget)
groupbox.setLayout(layout)
dlgProcessScrollAreaWidgetLayout.addWidget(groupbox)
return listWidget
##############################################################################
def addComplexInputTextBox(self, title, name, minOccurs, dlgProcessScrollAreaWidget, dlgProcessScrollAreaWidgetLayout, mimeType=None):
"""Adds a widget to insert text as complex inputs to the process tab"""
groupbox = QGroupBox(dlgProcessScrollAreaWidget)
#groupbox.setTitle(name)
groupbox.setMinimumHeight(50)
layout = QHBoxLayout()
textBox = QTextEdit(groupbox)
textBox.setObjectName(name)
textBox.setMinimumWidth(200)
textBox.setMaximumWidth(200)
textBox.setMinimumHeight(50)
myLabel = QLabel(dlgProcessScrollAreaWidget)
myLabel.setObjectName("qLabel"+name)
if minOccurs > 0:
string = "[" + name + "] <br>" + title
myLabel.setText("<font color='Red'>" + string + "</font>" + ((" <br>(" + mimeType + ")") if mimeType else ""))
else:
string = "[" + name + "]\n" + title + ((" <br>(" + mimeType + ")") if mimeType else "")
myLabel.setText(string)
myLabel.setWordWrap(True)
myLabel.setMinimumWidth(400)
myLabel.setMinimumHeight(25)
layout.addWidget(myLabel)
layout.addStretch(1)
layout.addWidget(textBox)
groupbox.setLayout(layout)
dlgProcessScrollAreaWidgetLayout.addWidget(groupbox)
return textBox
##############################################################################
def addLiteralComboBox(self, title, name, namesList, minOccurs, dlgProcessScrollAreaWidget, dlgProcessScrollAreaWidgetLayout):
groupbox = QGroupBox(dlgProcessScrollAreaWidget)
#groupbox.setTitle(name)
groupbox.setMinimumHeight(25)
layout = QHBoxLayout()
comboBox = QComboBox(dlgProcessScrollAreaWidget)
comboBox.addItems(namesList)
comboBox.setObjectName(name)
comboBox.setMinimumWidth(179)
comboBox.setMaximumWidth(179)
comboBox.setMinimumHeight(25)
myLabel = QLabel(dlgProcessScrollAreaWidget)
myLabel.setObjectName("qLabel"+name)
if minOccurs > 0:
string = "[" + name + "] <br>" + title
myLabel.setText("<font color='Red'>" + string + "</font>")
else:
string = "[" + name + "]\n" + title
myLabel.setText(string)
myLabel.setWordWrap(True)
myLabel.setMinimumWidth(400)
myLabel.setMinimumHeight(25)
layout.addWidget(myLabel)
layout.addStretch(1)
layout.addWidget(comboBox)
groupbox.setLayout(layout)
dlgProcessScrollAreaWidgetLayout.addWidget(groupbox)
return comboBox
##############################################################################
def addLiteralLineEdit(self, title, name, minOccurs, dlgProcessScrollAreaWidget, dlgProcessScrollAreaWidgetLayout, defaultValue=""):
groupbox = QGroupBox(dlgProcessScrollAreaWidget)
#groupbox.setTitle(name)
groupbox.setMinimumHeight(25)
layout = QHBoxLayout()
myLineEdit = QLineEdit(groupbox)
myLineEdit.setObjectName(name)
myLineEdit.setMinimumWidth(179)
myLineEdit.setMaximumWidth(179)
myLineEdit.setMinimumHeight(25)
myLineEdit.setText(defaultValue)
myLabel = QLabel(groupbox)
myLabel.setObjectName("qLabel"+name)
if minOccurs > 0:
string = "[" + name + "] <br>" + title
myLabel.setText("<font color='Red'>" + string + "</font>")
else:
string = "[" + name + "]\n" + title
myLabel.setText(string)
myLabel.setWordWrap(True)
myLabel.setMinimumWidth(400)
myLabel.setMinimumHeight(25)
layout.addWidget(myLabel)
layout.addStretch(1)
layout.addWidget(myLineEdit)
groupbox.setLayout(layout)
dlgProcessScrollAreaWidgetLayout.addWidget(groupbox)
return myLineEdit
##############################################################################
def addCheckBox(self, title, name, dlgProcessScrollAreaWidget, dlgProcessScrollAreaWidgetLayout):
groupbox = QGroupBox(dlgProcessScrollAreaWidget)
#groupbox.setTitle(name)
groupbox.setMinimumHeight(25)
layout = QHBoxLayout()
myCheckBox = QCheckBox(groupbox)
myCheckBox.setObjectName("chkBox"+name)
myCheckBox.setChecked(False)
myLabel = QLabel(groupbox)
myLabel.setObjectName("qLabel"+name)
myLabel.setText("(" + name + ")" + "\n" + title)
myLabel.setMinimumWidth(400)
myLabel.setMinimumHeight(25)
myLabel.setWordWrap(True)
layout.addWidget(myLabel)
layout.addStretch(1)
layout.addWidget(myCheckBox)
groupbox.setLayout(layout)
dlgProcessScrollAreaWidgetLayout.addWidget(groupbox)
def addDocumentationTab(self, dlgProcessTab, abstract):
# Check for URL
try:
textBox = QWebView(dlgProcessTab)
textBox.load(QUrl(abstract))
textBox.show()
except:
textBox = QTextBrowser(dlgProcessTab)
textBox.setText(pystring(abstract))
dlgProcessTab.addTab(textBox, "Documentation")
################################################################################
################################################################################
################################################################################
class WPSMessageBox(QMessageBox):
"""A resizable message box to show debug info"""
def __init__(self):
QMessageBox.__init__(self)
self.setSizeGripEnabled(True)
def event(self, e):
result = QMessageBox.event(self, e)
self.setMinimumHeight(300)
self.setMaximumHeight(16777215)
self.setMinimumWidth(400)
self.setMaximumWidth(16777215)
self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
textEdit = self.findChild(QTextEdit)
if textEdit != None :
textEdit.setMinimumHeight(200)
textEdit.setMaximumHeight(16777215)
textEdit.setMinimumWidth(300)
textEdit.setMaximumWidth(16777215)
textEdit.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
return result