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qgswpsgui.py
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qgswpsgui.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 PyQt4.QtCore import *
from PyQt4.QtGui import *
from PyQt4.QtNetwork import *
from qgis.core import *
from wps import version
from wpslib.wpsserver import WpsServer
from Ui_qgswpsgui import Ui_QgsWps
from qgswpsbookmarks import Bookmarks
from doAbout import DlgAbout
import os, sys, string
class QgsWpsGui(QDialog, QObject, Ui_QgsWps):
MSG_BOX_TITLE = "WPS"
getDescription = pyqtSignal(str, QTreeWidgetItem)
newServer = pyqtSignal()
editServer = pyqtSignal(str)
deleteServer = pyqtSignal(str)
connectServer = pyqtSignal(list)
pushDefaultWPSServer = pyqtSignal(str)
requestDescribeProcess = pyqtSignal(str, str)
def __init__(self, parent, fl):
QDialog.__init__(self, parent, fl)
self.setupUi(self)
self.fl = fl
self.setWindowTitle('QGIS WPS-Client '+version())
self.dlgAbout = DlgAbout(parent)
self.filterText = ''
self.lneFilter.setText('')
def initQgsWpsGui(self):
## self.btnOk.setEnabled(False)
self.btnConnect.setEnabled(False)
settings = QSettings()
settings.beginGroup("WPS")
connections = settings.childGroups()
self.cmbConnections.clear()
self.cmbConnections.addItems(connections)
self.treeWidget.clear()
if self.cmbConnections.size() > 0:
self.btnConnect.setEnabled(True)
self.btnEdit.setEnabled(True)
self.btnDelete.setEnabled(True)
return 1
def getBookmark(self, item):
self.requestDescribeProcess.emit(item.text(0), item.text(1))
def on_buttonBox_rejected(self):
self.close()
# see http://www.riverbankcomputing.com/Docs/PyQt4/pyqt4ref.html#connecting-signals-and-slots
# without this magic, the on_btnOk_clicked will be called two times: one clicked() and one clicked(bool checked)
@pyqtSignature("on_buttonBox_accepted()")
def on_buttonBox_accepted(self):
if self.treeWidget.topLevelItemCount() == 0:
QMessageBox.warning(None, 'WPS Warning','No Service connected!')
else:
try:
self.getDescription.emit(self.cmbConnections.currentText(), self.treeWidget.currentItem() )
except:
QMessageBox.information(None, self.tr('Error'), self.tr('Please select a process!'))
# see http://www.riverbankcomputing.com/Docs/PyQt4/pyqt4ref.html#connecting-signals-and-slots
# without this magic, the on_btnOk_clicked will be called two times: one clicked() and one clicked(bool checked)
@pyqtSignature("on_btnConnect_clicked()")
def on_btnConnect_clicked(self):
self.treeWidget.clear()
self.filterText = ''
self.lneFilter.setText('')
selectedWPS = self.cmbConnections.currentText()
self.server = WpsServer.getServer(selectedWPS)
self.server.capabilitiesRequestFinished.connect(self.createCapabilitiesGUI)
self.server.requestCapabilities()
@pyqtSignature("on_btnBookmarks_clicked()")
def on_btnBookmarks_clicked(self):
self.dlgBookmarks = Bookmarks(self.fl)
self.dlgBookmarks.getBookmarkDescription.connect(self.getBookmark)
# self.dlgBookmarks.bookmarksChanged.connect(bookmarksChanged())
self.dlgBookmarks.show()
@pyqtSignature("on_btnNew_clicked()")
def on_btnNew_clicked(self):
self.newServer.emit()
@pyqtSignature("on_btnEdit_clicked()")
def on_btnEdit_clicked(self):
self.editServer.emit(self.cmbConnections.currentText())
@pyqtSignature("on_cmbConnections_currentIndexChanged()")
def on_cmbConnections_currentIndexChanged(self):
pass
@pyqtSignature("on_btnDelete_clicked()")
def on_btnDelete_clicked(self):
self.deleteServer.emit(self.cmbConnections.currentText())
def initTreeWPSServices(self, taglist):
self.treeWidget.clear()
self.treeWidget.setColumnCount(self.treeWidget.columnCount())
itemList = []
for items in taglist:
if self.filterText == '':
item = QTreeWidgetItem()
ident = pystring(items[0])
title = pystring(items[1])
abstract = pystring(items[2])
item.setText(0,ident.strip())
item.setText(1,title.strip())
item.setText(2,abstract.strip())
itemList.append(item)
else:
if self.filterText in pystring(items[0]) or self.filterText in pystring(items[1]) or self.filterText in pystring(items[2]):
item = QTreeWidgetItem()
ident = pystring(items[0])
title = pystring(items[1])
abstract = pystring(items[2])
item.setText(0,ident.strip())
item.setText(1,title.strip())
item.setText(2,abstract.strip())
itemList.append(item)
self.treeWidget.addTopLevelItems(itemList)
@pyqtSignature("on_btnAbout_clicked()")
def on_btnAbout_clicked(self):
self.dlgAbout.show()
pass
@pyqtSignature("QTreeWidgetItem*, int")
def on_treeWidget_itemDoubleClicked(self, item, column):
self.getDescription.emit(self.cmbConnections.currentText(), self.treeWidget.currentItem() )
def createCapabilitiesGUI(self):
# try:
self.treeWidget.clear()
self.itemListAll = self.server.parseCapabilitiesXML()
self.initTreeWPSServices(self.itemListAll)
# except:
# pass
@pyqtSignature("QString")
def on_lneFilter_textChanged(self, p0):
"""
Slot documentation goes here.
"""
# TODO: not implemented yet
self.filterText = p0
self.initTreeWPSServices(self.itemListAll)