qgsnewhttpconnectionbasedialog.py

# -*- coding: utf-8 -*-
"""
/***************************************************************************
 QgsWcsClient2
                                 A QGIS plugin
 A OGC WCS 2.0/EO-WCS Client
                             -------------------
        begin                : 2014-06-26; 2017-04-10
        copyright            : (C) 2014 by Christian Schiller / EOX IT Services GmbH, Vienna, Austria
        email                : christian dot schiller at eox dot at
 ***************************************************************************/

/*********************************************************************************/
 *  The MIT License (MIT)                                                         *
 *                                                                                *
 *  Copyright (c) 2014 EOX IT Services GmbH                                       *
 *                                                                                *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy  *
 *  of this software and associated documentation files (the "Software"), to deal *
 *  in the Software without restriction, including without limitation the rights  *
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell     *
 *  copies of the Software, and to permit persons to whom the Software is         *
 *  furnished to do so, subject to the following conditions:                      *
 *                                                                                *
 *  The above copyright notice and this permission notice shall be included in    *
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 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR    *
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,      *
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE   *
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER        *
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, *
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE *
 *  SOFTWARE.                                                                     *
 *                                                                                *
 *********************************************************************************/
 Function for the Server / Url  setup dialog
"""

import os, pickle
from PyQt4.QtGui import *
from PyQt4.QtCore import *
from PyQt4 import QtCore, QtGui
from ui_qgswcsclient2 import Ui_QgsWcsClient2
from qgsnewhttpconnectionbase import Ui_qgsnewhttpconnectionbase


#global setttings and saved server list
global config
import config
srvlst = []

class qgsnewhttpconnectionbase(QDialog,  QObject, Ui_qgsnewhttpconnectionbase):
    MSG_BOX_TITLE = "WCS2.0/EO-WCS Client"

    def __init__(self, parent, fl, toEdit, choice):
        QDialog.__init__(self, parent, fl)
        self.toEdit = toEdit
        self.idx_sel = choice
        self.parent = parent
        self.flags = fl
        self.setupUi(self)
        self.txt_NewSrvName.setFocus(True)
        self.setWindowTitle('WCS2.0/EO-WCS Client') # +version())


    def accept(self):
        global config
        srvlst = config.srv_list['servers']
        srv_name = self.txt_NewSrvName.text()
        srv_url = self.txt_NewSrvUrl.text()

            # fix to enable changing of url without changing servername
        if str(self.idx_sel).isdigit():
            if srv_name == srvlst[self.idx_sel][0] and srv_url != srvlst[self.idx_sel][1]:
                srv_name +=' '

            # verify that URL starts with http://
        if not srv_url.startswith("http://") and not srv_url.startswith("https://"):
            msg = "Sorry, you need to supply a 'Server URL' starting with http://  or https://\n"
            self.warning_msg(msg)
            srv_name = self.txt_NewSrvName.text()

        if self.toEdit is False:
            try:
                idx = zip(*config.srv_list['servers'])[0].index(srv_name)
                while idx is not None:
                    self.txt_NewSrvName.setText(srv_name+'_1')
                    self.txt_NewSrvUrl.setText(srv_url)
                    msg = "Sorry, but the 'Server Name' has to be unique.\n      A   '_1'   has been added to the name."
                    self.warning_msg(msg)
                    srv_name = self.txt_NewSrvName.text()
                    idx = zip(*config.srv_list['servers'])[0].index(srv_name)


            except ValueError:
                srvlst.append([srv_name, srv_url])

        if self.toEdit is True:
            try:
                idx = zip(*config.srv_list['servers'])[0].index(srv_name)
            except ValueError:
                idx = self.idx_sel
                srvlst.pop(idx)
                srvlst.insert(idx,[srv_name, srv_url])

        config.srv_list = {'servers': srvlst }
        if (len(srv_name) > 0 and len(srv_url) > 10):
            self.parent.write_srv_list()
            self.parent.updateServerListing()
        else:
            msg = "Sorry, the provided 'Server Name' "+str(srv_name)+" or the provided 'Server URL '"+srv_url+" is not valid"
            self.warning_msg(msg)

        self.close()


    def warning_msg(self, msg):
        msgBox = QtGui.QMessageBox()
        msgBox.setText(msg)
        msgBox.addButton(QtGui.QPushButton('OK'), QtGui.QMessageBox.YesRole)
        msgBox.exec_()