/
cswlib.py
1248 lines (1062 loc) · 49.9 KB
/
cswlib.py
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#!/usr/bin/env python
"""
@module library for g.gui.cswbrowser
@brief GUI csw browser
(C) 2015 by the GRASS Development Team
This program is free software under the GNU General Public License
(>=v2). Read the file COPYING that comes with GRASS for details.
@author Matej Krejci <matejkrejci gmail.com> (GSoC 2015)
"""
import sys
try:
from owslib.csw import CatalogueServiceWeb
except:
sys.exit(
'owslib python library is missing. Check requirements on the manual page < https://grasswiki.osgeo.org/wiki/ISO/INSPIRE_Metadata_Support >')
import tempfile
from .cswutil import *
from .mdutil import yesNo, StaticContext
import json
import wx
from wx import SplitterWindow
import wx.html as html
from wx.lib.mixins.listctrl import ListCtrlAutoWidthMixin
import webbrowser
from threading import Thread
import xml.etree.ElementTree as ET
from wx.html import EVT_HTML_LINK_CLICKED, HW_DEFAULT_STYLE, HW_SCROLLBAR_AUTO
# import wx.html2 not supported in 2.8.12.1 (need for CSS support)
from owslib.csw import CatalogueServiceWeb
from owslib.fes import BBox, PropertyIsLike
from owslib.ows import ExceptionReport
from gui_core.forms import GUI
from core.gcmd import GError, GMessage, GWarning
from subprocess import PIPE
from grass.pygrass.modules import Module
from grass.script import parse_key_val
class ConstraintsBuilder(wx.Panel):
def __init__(self, parent, settings=''):
wx.Panel.__init__(self, parent=parent, id=wx.ID_ANY)
self.label = wx.StaticText(self, -1, label="Manual for creating constraints:\n\
*Constraints must be in brackets([]) \n\
*Constraints must be in quotation marks(') \n\
Examples\n\
OR expression\n\
a || b || c\n\
['a','b','c']\n\
\n\
AND expression \n\
a && b && c\n\
[['a','b','c']]\n\
\n\
More expressions \n\
(a && b) || c || d || e\n\
[['a','b'],['c'],['d'],['e']] or [['a','b'],'c','d','e']")
self.constrCtrl = wx.TextCtrl(self, -1)
self.applyBtt = wx.Button(self, -1, label='Apply')
self.cancelBtt = wx.Button(self, -1, label='Cancel')
self.constrCtrl.SetValue(settings)
self._layout()
def _layout(self):
panelSizer = wx.BoxSizer(wx.VERTICAL)
panelSizer.Add(self.label)
panelSizer.AddSpacer(10, 10, 1, wx.EXPAND)
panelSizer.Add(self.constrCtrl, 1, wx.EXPAND)
horSizer = wx.BoxSizer(wx.HORIZONTAL)
horSizer.Add(self.applyBtt)
horSizer.Add(self.cancelBtt)
panelSizer.AddSpacer(10, 10, 1, wx.EXPAND)
panelSizer.Add(horSizer)
self.SetSizerAndFit(panelSizer)
class CSWBrowserPanel(wx.Panel):
def __init__(self, parent, main, giface=None):
wx.Panel.__init__(self, parent)
self.context = StaticContext()
self.giface = giface
self.config = main.config
self.parent = main
self.constraintsWidgets = []
self.constraintsWidgets1 = []
self.constraintsAdvanced = False
self.idResults = []
self.constString = ''
self.outpoutschema = 'dc'
self.warns = True
sizeConst = 55
self.splitterBrowser = SplitterWindow(self, style=wx.SP_3D | wx.SP_LIVE_UPDATE | wx.SP_BORDER)
self.context = StaticContext()
self.connectionFilePath = os.path.join(self.context.lib_path, 'connections_resources.xml')
self.pnlLeft = wx.Panel(self.splitterBrowser, id=wx.ID_ANY)
self.pnlRight = wx.Panel(self.splitterBrowser, -1)
self.keywordLbl = wx.StaticText(self.pnlLeft, -1, 'Keywords')
self.numResultsLbl = wx.StaticText(self.pnlLeft, -1, 'Max')
self.catalogLbl = wx.StaticText(self.pnlLeft, -1, 'Catalog')
self.findResNumLbl = wx.StaticText(self.pnlLeft, -1, '')
self.advanceChck = wx.CheckBox(self.pnlLeft, label='Advanced')
self.advanceChck.Bind(wx.EVT_CHECKBOX, self.OnKeywordDialog)
self.stbFind = wx.StaticBox(self.pnlLeft, -1, 'Filter')
self.stbSearch = wx.StaticBox(self.pnlLeft, -1, 'Search settings')
self.catalogCmb = wx.ComboBox(self.pnlLeft, id=-1, pos=wx.DefaultPosition)
self.keywordCtr = wx.TextCtrl(self.pnlLeft)
self.catalogCmb.Bind(wx.EVT_COMBOBOX, self.OnSetCatalog)
w, self.h = self.keywordCtr.GetSize()
self.numResultsSpin = wx.SpinCtrl(self.pnlLeft, min=1, max=100, initial=20, size=(sizeConst, self.h),
style=wx.ALIGN_RIGHT | wx.SP_ARROW_KEYS)
self.addKeywordCtr = wx.Button(self.pnlLeft, -1, '+', size=(self.h, self.h))
self.addKeywordCtr.Bind(wx.EVT_BUTTON, self.addKeyWidget)
self.findBtt = wx.Button(self.pnlLeft, size=(sizeConst, self.h), label='Search')
self.findBtt.SetBackgroundColour((255, 127, 80))
qtyp = ['All', 'Collection', 'Dataset', 'Event', 'Image', 'InteractiveResource',
'MovingImage', 'PhysicalObject', 'Service', 'Software', 'Sound', 'StillImage', 'Text']
self.qtypeCb = wx.ComboBox(self.pnlLeft, id=-1, pos=wx.DefaultPosition, choices=qtyp)
self.qtypeCb.SetValue("All")
self.qtypeCb.Disable()
# -----Results---
self.resultList = AutoWidthListCtrl(self.pnlLeft)
self.resultList.Bind(wx.EVT_LIST_ITEM_FOCUSED, self.setTooltip)
self.resultList.Bind(wx.EVT_LIST_ITEM_SELECTED, self.OnRecord)
self.bttNextItem1 = wx.Button(self.pnlLeft, label=">")
self.bttNextItem2 = wx.Button(self.pnlLeft, label=">>")
self.bttBackItem1 = wx.Button(self.pnlLeft, label="<")
self.bttBackItem2 = wx.Button(self.pnlLeft, label="<<")
self.bttNextItem1.Bind(wx.EVT_BUTTON, self.OnNavigate, self.bttNextItem1)
self.bttNextItem2.Bind(wx.EVT_BUTTON, self.OnNavigate, self.bttNextItem2)
self.bttBackItem1.Bind(wx.EVT_BUTTON, self.OnNavigate, self.bttBackItem1)
self.bttBackItem2.Bind(wx.EVT_BUTTON, self.OnNavigate, self.bttBackItem2)
self.findBtt.Bind(wx.EVT_BUTTON, self.OnSearch)
self.refreshResultList()
# -----BB---------
self.stbBB = wx.StaticBox(self.pnlLeft, -1, 'Extent')
self.bbWestLb = wx.StaticText(self.pnlLeft, -1, 'Xmin')
self.bbSouthLb = wx.StaticText(self.pnlLeft, -1, 'Ymin')
self.bbEastLb = wx.StaticText(self.pnlLeft, -1, 'Xmax')
self.bbNorthLb = wx.StaticText(self.pnlLeft, -1, 'Ymax')
self.bbWest = wx.TextCtrl(self.pnlLeft)
self.bbSouth = wx.TextCtrl(self.pnlLeft)
self.bbEast = wx.TextCtrl(self.pnlLeft)
self.bbNorth = wx.TextCtrl(self.pnlLeft)
'''
self.bbWest.Bind(wx.EVT_TEXT_ENTER, self.OnTypeBB)
self.bbSouth.Bind(wx.EVT_TEXT_ENTER, self.OnTypeBB)
self.bbEast.Bind(wx.EVT_TEXT_ENTER, self.OnTypeBB)
self.bbNorth.Bind(wx.EVT_TEXT_ENTER, self.OnTypeBB)
'''
self.bbSetGlobalBtt1 = wx.Button(self.pnlLeft, label="Global")
self.bbSetMapExtendBtt1 = wx.Button(self.pnlLeft, label="Map extent")
self.bbSetGlobalBtt1.Bind(wx.EVT_BUTTON, self.setBBoxGlobal)
self.bbSetMapExtendBtt1.Bind(wx.EVT_BUTTON, self.setBBoxGRASS)
self.setBBoxGlobal()
# -----right panel
self.bttAddWms = wx.Button(self.pnlRight, label="Add WMS")
self.bttAddWfs = wx.Button(self.pnlRight, label="Add WFS")
self.bttAddWcs = wx.Button(self.pnlRight, label="Add WCS")
self.bttAddWms.Bind(wx.EVT_BUTTON, self.OnService, self.bttAddWms)
self.bttAddWfs.Bind(wx.EVT_BUTTON, self.OnService, self.bttAddWfs)
self.bttAddWcs.Bind(wx.EVT_BUTTON, self.OnService, self.bttAddWcs)
self.bttViewRequestXml = wx.Button(self.pnlRight, label="Request XML")
self.bttViewResponseXml = wx.Button(self.pnlRight, label="Response XML")
self.bttViewRequestXml.Bind(wx.EVT_BUTTON, self.OnShowReguest)
self.bttViewResponseXml.Bind(wx.EVT_BUTTON, self.OnShowResponse)
self.htmlView = html.HtmlWindow(self.pnlRight,
id=-1,
pos=wx.DefaultPosition,
size=wx.DefaultSize,
style=HW_DEFAULT_STYLE | HW_SCROLLBAR_AUTO,
name="metadata")
self.htmlView.SetBorders(5)
self.htmlView.Bind(EVT_HTML_LINK_CLICKED, self.onHtmlLinkClicked)
# self.htmlView=wx.html2.WebView.New(self.pnlRight, not supported in wx 2.8.12.1
self.refreshNavigationButt()
self._layout()
def OnKeywordDialog(self, evt):
if self.advanceChck.GetValue():
self.geDialog = wx.Dialog(self, id=wx.ID_ANY,
title='constraints builder',
style=wx.DEFAULT_DIALOG_STYLE | wx.RESIZE_BORDER,
size=wx.DefaultSize,
pos=wx.DefaultPosition)
self.geDialog.SetSize((500, 500))
self.constrPnl = ConstraintsBuilder(self.geDialog, self.constString)
self.constrPnl.applyBtt.Bind(wx.EVT_BUTTON, self.OnSetAdvancedConstraints)
self.constrPnl.cancelBtt.Bind(wx.EVT_BUTTON, self._destroyDialog)
dbSizer = wx.BoxSizer(wx.VERTICAL)
dbSizer.Add(self.constrPnl, flag=wx.EXPAND)
self.geDialog.SetSizer(dbSizer)
self.geDialog.SetBestFittingSize()
self.geDialog.ShowModal()
def _destroyDialog(self, evt):
self.advanceChck.SetValue(False)
self.geDialog.Destroy()
def OnSetAdvancedConstraints(self, evt):
self.constString = self.constrPnl.constrCtrl.GetValue()
if self.constString == '':
return
constString = 'self.constraints=' + self.constString
try:
exec (constString)
if type(self.constraints != type(list())):
GMessage('Constraints syntax error')
return
except:
GMessage('Constraints syntax error')
return
self.constraintsAdvanced = True
self.geDialog.Destroy()
def addKeyWidget(self, evt):
name = evt.GetEventObject().GetLabel()
if name == '+':
kw = wx.TextCtrl(self.pnlLeft)
addKeywordCtr = wx.Button(self.pnlLeft, -1, '-', size=(self.h, self.h))
addKeywordCtr.Bind(wx.EVT_BUTTON, self.addKeyWidget)
self.constraintsWidgets.append(kw)
self.constraintsWidgets1.append(addKeywordCtr)
self.leftSearchSizer.Add(kw, 0, wx.EXPAND)
self.rightSearchSizer.Add(addKeywordCtr, 0)
else:
sizeLeft = len(self.leftSearchSizer.GetChildren())
sizeRight = len(self.rightSearchSizer.GetChildren())
self.constraintsWidgets.pop().Destroy()
self.constraintsWidgets1.pop().Destroy()
self.leftSearchSizer.Remove(sizeLeft)
self.rightSearchSizer.Remove(sizeRight)
self.Fit()
def OnShowReguest(self, evt):
# request_html = encodeString(highlight_xml(self.context, self.catalog.request,False))
path = os.path.join(tempfile.gettempdir(), 'htmlRequest.xml')
if os.path.exists(path): os.remove(path)
f = open(path, 'w')
f.writelines(self.catalog.request)
f.close()
if yesNo(self, 'Do you want to open <request> in default browser', 'Open file'):
open_url(path)
else:
self.htmlView.SetPage((renderXML(self.context, self.catalog.request)))
def OnShowResponse(self, evt):
# response_html = encodeString(highlight_xml(self.context, self.catalog.response,False))
path = os.path.join(tempfile.gettempdir(), 'htmlResponse.xml')
if os.path.exists(path): os.remove(path)
f = open(path, 'w')
f.write(self.catalog.response)
f.close()
if yesNo(self, 'Do you want to open <response> in default browser', 'Open file'):
open_url(path)
else:
self.htmlView.SetPage((renderXML(self.context, self.catalog.response)))
def getTmpConnection(self, name):
key = '/connections/%s/url' % name
return self.config.Read(key)
def OnRecord(self, evt):
"""show record metadata"""
self.refreshServiceButt()
curr = 0
idx = self.resultList.GetNextItem(curr, wx.LIST_NEXT_ALL,
wx.LIST_STATE_SELECTED)
if not idx:
return
if self.outpoutschema == 'gmd':
startfr = self.startfrom + idx + 1
cat = CatalogueServiceWeb(self.catalog_url, timeout=self.timeout)
try:
cat.getrecords2(constraints=self.constraints,
maxrecords=1,
startposition=startfr,
outputschema='http://www.isotc211.org/2005/gmd')
except ExceptionReport as err:
GWarning('Error getting response: %s' % err)
return
except KeyError as err:
GWarning('Record parsing error, unable to locate record identifier')
return
if self.catalog:
md = list(cat.records.values())[0]
path = 'record_metadata_gmd.html'
metadata = render_template('en', self.context, md, path)
self.htmlView.SetPage(metadata)
else:
identifier = self.get_item_data(idx, 'identifier')
cat = CatalogueServiceWeb(self.catalog_url, timeout=self.timeout)
try:
cat.getrecordbyid([self.catalog.records[identifier].identifier])
except ExceptionReport as err:
GWarning('Error getting response: %s' % err)
return
except KeyError as err:
GWarning('Record parsing error, unable to locate record identifier')
return
record = cat.records[identifier]
record.xml_url = cat.request
if self.catalog:
path = 'record_metadata_dc.html'
metadata = render_template('en', self.context,
record,
path)
try:
record = self.catalog.records[identifier]
except KeyError as err:
GWarning('@!Record parsing error, unable to locate record identifier')
return
self.htmlView.SetPage(metadata)
self.findServices(record, idx)
def findServices(self, record, item):
"""scan record for WMS/WMTS|WFS|WCS endpoints"""
links = record.uris + record.references
WMSWMST_LINK_TYPES = [
'OGC:WMS',
'OGC:WMTS',
'OGC:WMS-1.1.1-http-get-map',
'OGC:WMS-1.1.1-http-get-capabilities',
'OGC:WMS-1.3.0-http-get-map',
'OGC:WMS-1.3.0-http-get-capabilities',
'urn:x-esri:specification:ServiceType:wms:url',
'urn:x-esri:specification:ServiceType:Gmd:URL.wms'
]
WFS_LINK_TYPES = [
'OGC:WFS',
'OGC:WFS-1.0.0-http-get-capabilities',
'OGC:WFS-1.1.0-http-get-capabilities',
'urn:x-esri:specification:ServiceType:wfs:url',
'urn:x-esri:specification:ServiceType:Gmd:URL.wfs'
]
WCS_LINK_TYPES = [
'OGC:WCS',
'OGC:WCS-1.1.0-http-get-capabilities',
'urn:x-esri:specification:ServiceType:wcs:url',
'urn:x-esri:specification:ServiceType:Gmd:URL.wcs'
]
services = {}
for link in links:
if 'scheme' in link:
link_type = link['scheme']
elif 'protocol' in link:
link_type = link['protocol']
else:
link_type = None
if link_type is not None:
link_type = link_type.upper()
wmswmst_link_types = list(map(str.upper, WMSWMST_LINK_TYPES))
wfs_link_types = list(map(str.upper, WFS_LINK_TYPES))
wcs_link_types = list(map(str.upper, WCS_LINK_TYPES))
# if the link type exists, and it is one of the acceptable
# interactive link types, then set
if all([link_type is not None,
link_type in wmswmst_link_types + wfs_link_types +
wcs_link_types]):
if link_type in wmswmst_link_types:
services['wms'] = link['url']
self.bttAddWms.Enable()
if link_type in wfs_link_types:
services['wfs'] = link['url']
self.bttAddWfs.Enable()
if link_type in wcs_link_types:
services['wcs'] = link['url']
self.bttAddWcs.Enable()
self.set_item_data(item, 'link', json.dumps(services))
def refreshNavigationButt(self, stat=False):
if stat:
self.bttNextItem1.Enable()
self.bttNextItem2.Enable()
self.bttBackItem1.Enable()
self.bttBackItem2.Enable()
self.bttViewRequestXml.Enable()
self.bttViewResponseXml.Enable()
else:
self.bttNextItem1.Disable()
self.bttNextItem2.Disable()
self.bttBackItem1.Disable()
self.bttBackItem2.Disable()
self.bttAddWms.Disable()
self.bttAddWfs.Disable()
self.bttAddWcs.Disable()
self.bttViewRequestXml.Disable()
self.bttViewResponseXml.Disable()
def refreshServiceButt(self, stat=False):
if not stat:
self.bttAddWms.Disable()
self.bttAddWfs.Disable()
self.bttAddWcs.Disable()
else:
self.bttAddWms.Enable()
self.bttAddWfs.Enable()
self.bttAddWcs.Enable()
def OnNavigate(self, evt):
name = evt.GetEventObject().GetLabel()
if name == '<<':
self.startfrom = 0
elif name == '>>':
self.startfrom = self.catalog.results['matches'] - self.maxrecords
elif name == '>':
self.startfrom += self.maxrecords
if self.startfrom >= self.catalog.results["matches"]:
msg = 'End of results. Go to start?'
if yesNo(self, msg, 'End of results'):
self.startfrom = 0
else:
return
elif name == '<':
self.startfrom -= self.maxrecords
if self.startfrom < 0:
msg = 'Start of results. Go to end?'
if yesNo(self, msg, 'Navigation'):
self.startfrom = (self.catalog.results['matches'] - self.maxrecords)
else:
return
self.loadConstraints()
try:
if self.outpoutschema == 'gmd':
self.catalog.getrecords2(constraints=self.constraints,
maxrecords=self.maxrecords, esn='full', startposition=self.startfrom,
outputschema='http://www.isotc211.org/2005/gmd')
else:
self.catalog.getrecords2(constraints=self.constraints,
maxrecords=self.maxrecords,
startposition=self.startfrom, esn='full')
except ExceptionReport as err:
GWarning('Search error: %s' % err)
return
except Exception as err:
GWarning('Connection error: %s' % err)
return
if self.outpoutschema == 'gmd':
self.displyResultsGMD()
return
self.displyResults()
def OnSetCatalog(self, evt):
val = evt.GetSelection()
self.config.WriteInt('/guiSearch/catalog', val)
def loadSettings(self):
n = self.config.ReadInt('/guiSearch/catalog', 0)
self.catalogCmb.SetSelection(n)
def setTooltip(self, evt):
index = evt.GetIndex()
text = self.resultList.GetItem(index, 1)
text = text.GetText()
self.resultList.SetToolTip(wx.ToolTip(text))
def setBBoxGRASS(self, evt=None):
vdb = Module('g.region', flags='bg', stdout_=PIPE)
vdb = parse_key_val(vdb.outputs.stdout)
self.bbNorth.SetValue(vdb['ll_n'])
self.bbSouth.SetValue(vdb['ll_s'])
self.bbWest.SetValue(vdb['ll_w'])
self.bbEast.SetValue(vdb['ll_e'])
def setBBoxGlobal(self, evt=None):
self.bbNorth.SetValue('90')
self.bbSouth.SetValue('-90')
self.bbWest.SetValue('-180')
self.bbEast.SetValue('180')
def _get_csw(self):
"""function to init owslib.csw.CatalogueServiceWeb"""
# connect to the server
try:
self.catalog = CatalogueServiceWeb(self.catalog_url,
timeout=self.timeout)
return True
except ExceptionReport as err:
msg = 'Error connecting to service: %s' % err
except ValueError as err:
msg = 'Value Error: %s' % err
except Exception as err:
msg = 'Unknown Error: %s' % err
GMessage('CSW Connection error: %s' % msg)
return False
def refreshResultList(self):
self.resultList.ClearAll()
self.resultList.InsertColumn(0, 'Type', width=wx.LIST_AUTOSIZE)
self.resultList.InsertColumn(1, 'Service', width=300)
def loadConstraints(self):
if not self.advanceChck.GetValue():
self.constraints = []
kw = self.keywordCtr.GetValue()
if kw:
self.constraints.append(PropertyIsLike('csw:AnyText', kw))
for constraint in self.constraintsWidgets:
kw = constraint.GetValue()
if kw != '':
self.constraints.append(PropertyIsLike('csw:AnyText', kw))
if len(self.constraints) > 1: # exclusive search (a && b)
self.constraints = [self.constraints]
else:
# convert constreints to owslib object fes
tmpConstraints = self.constraints
for x, constraint in enumerate(tmpConstraints):
if type(constraint) is list:
for y, const in enumerate(constraint):
self.constraints[x][y] = PropertyIsLike('csw:AnyText', const)
continue
self.constraints[x] = PropertyIsLike('csw:AnyText', constraint)
def _openWebServiceDiag(self, data_url):
from web_services.dialogs import AddWSDialog
if self.giface:
self.WSDialog = AddWSDialog(self.parent, giface=self.giface)
self.WSDialog.OnSettingsChanged([data_url, '', ''])
self.WSDialog.Show()
else:
GMessage(_("No access to layer tree. Run g.gui.cswbroswer from g.gui"))
def OnService(self, evt):
name = evt.GetEventObject().GetLabel()
idx = self.resultList.GetNextItem(0, wx.LIST_NEXT_ALL,
wx.LIST_STATE_SELECTED)
if not idx:
return
cmd = []
item_data = "item_data=" + self.get_item_data(idx, 'link')
exec (item_data)
if name == "Add WMS":
data_url = item_data['wms']
service = ['r.in.wms', 'Add web service layer']
dlg = wx.SingleChoiceDialog(
self, 'Choice of module for WMS ', 'Web Service selection',
service,
wx.CHOICEDLG_STYLE)
if dlg.ShowModal() == wx.ID_OK:
selected_module = dlg.GetStringSelection()
if selected_module == service[0]:
cmd.append('r.in.wms')
cmd.append('url=%s' % data_url)
GUI(parent=self, show=True, modal=True).ParseCommand(cmd=cmd)
elif selected_module == service[1]:
self._openWebServiceDiag(data_url)
dlg.Destroy()
elif name == "Add WFS":
data_url = item_data['wfs']
service = ['v.in.wfs', 'Add web service layer']
dlg = wx.SingleChoiceDialog(
self, 'Choice of module for WFS ', 'Web Service selection',
service,
wx.CHOICEDLG_STYLE
)
if dlg.ShowModal() == wx.ID_OK:
selected_module = dlg.GetStringSelection()
if selected_module == service[0]:
cmd.append('v.in.wfs')
cmd.append('url=%s' % data_url)
GUI(parent=self, show=True, modal=True).ParseCommand(cmd=cmd)
elif selected_module == service[1]:
self._openWebServiceDiag(data_url)
dlg.Destroy()
elif name == "Add WCS":
GMessage("Not implemented")
def GetQtype(self): # TODO need to implement
val = self.qtypeCb.GetValue()
if val == 'All':
return None
else:
return val
def OnSearch(self, evt):
"""execute search"""
self.refreshResultList()
self.catalog = None
self.loadConstraints()
self.catalog_url = None
# clear all fields and disable buttons
self.findResNumLbl.SetLabel("")
current_text = self.catalogCmb.GetValue()
if current_text == '':
GMessage('Please set catalog')
return
self.catalog_url = self.getTmpConnection(current_text)
# start position and number of records to return
self.startfrom = 0
self.maxrecords = self.numResultsSpin.GetValue()
# set timeout
self.timeout = self.parent.connectionPanel.timeoutSpin.GetValue()
# bbox
minx = self.bbWest.GetValue() # TODO add grass number validator
miny = self.bbSouth.GetValue()
maxx = self.bbEast.GetValue()
maxy = self.bbNorth.GetValue()
bbox = [minx, miny, maxx, maxy]
if bbox != ['-180', '-90', '180', '90']:
self.constraints.append(BBox(bbox))
if not self._get_csw():
return
# TODO: allow users to select resources types
# to find ('service', 'dataset', etc.)
try:
self.catalog.getrecords2(constraints=self.constraints,
maxrecords=self.maxrecords, esn='full')
self.outpoutschema = 'dc'
except ExceptionReport as err:
GError('Search error: %s' % err)
return
except Exception as err:
GError('Connection error: %s' % err)
return
###work around for GMD records
if len(self.catalog.records) == 0 and self.catalog.results['matches'] != 0:
try:
self.catalog.getrecords2(constraints=self.constraints,
maxrecords=self.maxrecords, esn='full',
outputschema='http://www.isotc211.org/2005/gmd')
self.outpoutschema = 'gmd'
if self.warns:
GWarning(
"Endopoint of service is not setup properly. Server returns ISO metadata(http://www.isotc211.org/2005/gmd) instead of CSW records(http://schemas.opengis.net/csw/2.0.2/record.xsd). CSW browser may work incorrectly.")
self.warns = False
except ExceptionReport as err:
GError('Search error: %s' % err)
return
except Exception as err:
GError('Connection error: %s' % err)
return
###work around for GMD records- END
if self.catalog.results['matches'] == 0:
self.findResNumLbl.SetLabel('0 results')
self.refreshNavigationButt(True)
return
self.refreshNavigationButt(True)
# parsing for another html template(GMD)
if self.outpoutschema == 'gmd':
self.displyResultsGMD()
return
self.displyResults()
def get_item_data(self, index, field):
if field == 'identifier':
return self.idResults[index]['identifier']
else:
return self.idResults[index]['link']
def set_item_data(self, index, field, value):
"""set identifier"""
try:
self.idResults[index]
idx = True
except IndexError:
idx = False
if idx:
if field == "identifier":
self.idResults[index]['identifier'] = value
if field == "link":
self.idResults[index]['link'] = value
else:
d = {}
if field == "identifier":
d['identifier'] = value
if field == "link":
d[index]['link'] = value
self.idResults.insert(index, d)
def displyResultsGMD(self):
self.refreshResultList()
position = self.catalog.results['returned'] + self.startfrom
msg = 'Showing %s - %s of %s result(s)' % (self.startfrom + 1,
position,
self.catalog.results['matches'])
self.findResNumLbl.SetLabel(msg)
index = 0
for rec in self.catalog.records:
if self.catalog.records[rec].identification.identtype:
item = wx.ListItem()
self.resultList.InsertStringItem(index,
normalize_text(self.catalog.records[rec].identification.identtype))
else:
self.resultList.SetStringItem(index, 0, 'unknown')
if self.catalog.records[rec].identification.title:
self.resultList.SetStringItem(index, 1, normalize_text(self.catalog.records[rec].identification.title))
if self.catalog.records[rec].identification.title:
self.set_item_data(index, 'identifier',
self.catalog.records[rec].identification.title)
if index % 2:
self.resultList.SetItemBackgroundColour(index, "LIGHT GREY")
index += 1
self.Fit()
def displyResults(self):
"""display search results"""
self.refreshResultList()
position = self.catalog.results['returned'] + self.startfrom
msg = 'Showing %s - %s of %s result(s)' % (self.startfrom + 1,
position,
self.catalog.results['matches'])
self.findResNumLbl.SetLabel(msg)
index = 0
for rec in self.catalog.records:
if self.catalog.records[rec].type:
item = wx.ListItem()
self.resultList.InsertStringItem(index, normalize_text(self.catalog.records[rec].type))
else:
self.resultList.SetStringItem(index, 0, 'unknown')
if self.catalog.records[rec].title:
self.resultList.SetStringItem(index, 1, normalize_text(self.catalog.records[rec].title))
if self.catalog.records[rec].identifier:
self.set_item_data(index, 'identifier',
self.catalog.records[rec].identifier)
if index % 2:
self.resultList.SetItemBackgroundColour(index, "LIGHT GREY")
index += 1
self.Fit()
def onHtmlLinkClicked(self, event):
Thread(
target=webbrowser.open,
args=(event.GetLinkInfo().GetHref(), 0)
).start()
def updateCatalogBox(self, evt=None):
if self.catalogCmb.GetCount() == 0:
msg = 'No services/connections defined.'
self.htmlView.SetPage('<p><h3>%s</h3></p>' % msg)
def _layout(self):
self.mainsizer = wx.BoxSizer(wx.HORIZONTAL)
rightPanelSizer = wx.BoxSizer(wx.VERTICAL)
leftPanelSizer = wx.BoxSizer(wx.VERTICAL)
# search static box sizers---start
mainSearchSizer = wx.BoxSizer(wx.HORIZONTAL)
self.rightSearchSizer = wx.BoxSizer(wx.VERTICAL)
self.leftSearchSizer = wx.BoxSizer(wx.VERTICAL)
upSearchSizer = wx.BoxSizer(wx.HORIZONTAL)
upSearchSizer.Add(self.qtypeCb, 1, wx.EXPAND)
self.leftSearchSizer.Add(upSearchSizer, 1, wx.EXPAND)
self.rightSearchSizer.Add(wx.StaticText(self), 0)
mainSearchSizer.Add(self.leftSearchSizer, wx.EXPAND)
mainSearchSizer.Add(self.rightSearchSizer)
self.leftSearchSizer.Add(self.keywordLbl, 0)
self.rightSearchSizer.AddSpacer(4, 0, 1, wx.EXPAND)
self.rightSearchSizer.Add(self.advanceChck, 0)
self.leftSearchSizer.Add(self.keywordCtr, 0, wx.EXPAND)
self.rightSearchSizer.Add(self.addKeywordCtr, 0)
stbBox0Sizer = wx.StaticBoxSizer(self.stbSearch, wx.VERTICAL)
self.stBox1Sizer = wx.StaticBoxSizer(self.stbFind, wx.VERTICAL)
self.stBox1Sizer.Add(mainSearchSizer, 0, wx.EXPAND)
# bounding box sizer---------------
bb1sizer = wx.BoxSizer(wx.HORIZONTAL)
bb2sizer = wx.BoxSizer(wx.HORIZONTAL)
bb3sizer = wx.BoxSizer(wx.HORIZONTAL)
self.stBox2Sizer = wx.StaticBoxSizer(self.stbBB, wx.VERTICAL)
bb1sizer.Add(self.bbWestLb)
bb1sizer.AddSpacer(14, 10, 1, wx.EXPAND)
bb1sizer.Add(self.bbWest, 1, wx.EXPAND)
bb1sizer.AddSpacer(20, 10, 1, wx.EXPAND)
bb1sizer.Add(self.bbSouthLb)
bb1sizer.AddSpacer(14, 10, 1, wx.EXPAND)
bb1sizer.Add(self.bbSouth, 1, wx.EXPAND)
bb2sizer.Add(self.bbEastLb)
bb2sizer.AddSpacer(10, 10, 1, wx.EXPAND)
bb2sizer.Add(self.bbEast, 1, wx.EXPAND)
bb2sizer.AddSpacer(20, 10, 1, wx.EXPAND)
bb2sizer.Add(self.bbNorthLb)
bb2sizer.AddSpacer(10, 10, 1, wx.EXPAND)
bb2sizer.Add(self.bbNorth, 1, wx.EXPAND)
bb3sizer.Add(self.bbSetGlobalBtt1, wx.EXPAND)
bb3sizer.Add(self.bbSetMapExtendBtt1, wx.EXPAND)
self.stBox2Sizer.Add(bb2sizer, 1, wx.EXPAND)
self.stBox2Sizer.Add(bb1sizer, 1, wx.EXPAND)
self.stBox2Sizer.Add(bb3sizer, 1, wx.EXPAND)
# bounding box sizer---------------end
stbBox0Sizer.Add(self.catalogLbl, 0)
stbBox0Sizer.Add(self.catalogCmb, 1, wx.EXPAND)
stbBox0Sizer.AddSpacer(10, 10, 1, wx.EXPAND)
stbBox0Sizer.Add(self.stBox1Sizer, 0, wx.EXPAND)
stbBox0Sizer.AddSpacer(10, 10, 1, wx.EXPAND)
stbBox0Sizer.Add(self.stBox2Sizer, 0, wx.EXPAND)
leftPanelSizer.Add(stbBox0Sizer, 0, wx.EXPAND)
leftPanelSizer.AddSpacer(10, 10, 1, wx.EXPAND)
findPanelSizer = wx.BoxSizer(wx.HORIZONTAL)
findPanelSizer.Add(self.numResultsLbl, 0)
findPanelSizer.Add(self.numResultsSpin, 0)
findPanelSizer.Add(self.findBtt, 1, wx.EXPAND)
leftPanelSizer.Add(findPanelSizer, 0, wx.EXPAND)
leftPanelSizer.Add(self.findResNumLbl, 0)
leftPanelSizer.Add(self.resultList, 1, wx.EXPAND)
leftPanelSizer.AddSpacer(10, 10, 1, wx.EXPAND)
listerSizer = wx.BoxSizer(wx.HORIZONTAL)
listerSizer.Add(self.bttBackItem2, 1)
listerSizer.Add(self.bttBackItem1, 1)
listerSizer.Add(self.bttNextItem1, 1)
listerSizer.Add(self.bttNextItem2, 1)
leftPanelSizer.Add(listerSizer, 0, wx.EXPAND)
rightTOPsizer = wx.BoxSizer(wx.HORIZONTAL)
rightTOPsizer.Add(self.bttViewRequestXml)
rightTOPsizer.Add(self.bttViewResponseXml)
rightTOPsizer.Add(self.bttAddWms)
rightTOPsizer.Add(self.bttAddWfs)
rightTOPsizer.Add(self.bttAddWcs)
rightPanelSizer.Add(rightTOPsizer)
rightPanelSizer.Add(self.htmlView, 1, wx.EXPAND)
self.pnlLeft.SetSizer(leftPanelSizer)
self.pnlRight.SetSizer(rightPanelSizer)
self.splitterBrowser.SplitVertically(self.pnlLeft, self.pnlRight)
self.splitterBrowser.SetSashGravity(0.35)
self.splitterBrowser.SetSashPosition(300)
self.splitterBrowser.SetMinimumPaneSize(200)
self.mainsizer.Add(self.splitterBrowser, 1, wx.EXPAND)
self.SetSizerAndFit(self.mainsizer)
class CSWConnectionPanel(wx.Panel):
def __init__(self, parent, main, cswBrowser=True):
wx.Panel.__init__(self, parent)
self.parent = main
self.config = main.config
self.cswBrowser = cswBrowser
self.splitterConn = SplitterWindow(self, style=wx.SP_3D |
wx.SP_LIVE_UPDATE | wx.SP_BORDER)
self.panelLeft = wx.Panel(self.splitterConn, id=wx.ID_ANY)
self.stBoxConnections = wx.StaticBox(self.panelLeft, -1, 'Connections list')
self.stBoxConnections1 = wx.StaticBox(self.panelLeft, -1, 'Connection manager')
self.panelRight = wx.Panel(self.splitterConn, -1)
self.connectionLBox = wx.ListBox(self.panelLeft, id=-1, pos=wx.DefaultPosition)
self.timeoutSpin = wx.SpinCtrl(self.panelLeft, min=1, max=100, initial=10,
style=wx.ALIGN_RIGHT | wx.SP_ARROW_KEYS)
self.context = StaticContext()
self.connectionFilePath = self.context.connResources
self.servicePath = 'service_metadata.html'
self.serviceInfoBtt = wx.Button(self.panelLeft, -1, label='Service info')
self.newBtt = wx.Button(self.panelLeft, label='New')
self.removeBtt = wx.Button(self.panelLeft, label='Remove')
self.setDefaultFile = wx.Button(self.panelLeft, label='Load catalog list')
self.setDefaultFile.Bind(wx.EVT_BUTTON, self.onOpenConnFile)
self.textMetadata = html.HtmlWindow(self.panelRight,
id=-1,
pos=wx.DefaultPosition,
size=wx.DefaultSize,
style=HW_DEFAULT_STYLE | HW_SCROLLBAR_AUTO,
name="metadata")
self.addDefaultConnections()
self.connectionLBox.Bind(wx.EVT_LISTBOX_DCLICK, self.onServiceInfo)
self.newBtt.Bind(wx.EVT_BUTTON, self.onNewconnection)
self.removeBtt.Bind(wx.EVT_BUTTON, self.onRemoveConnection)
self.serviceInfoBtt.Bind(wx.EVT_BUTTON, self.onServiceInfo)
self.textMetadata.Bind(EVT_HTML_LINK_CLICKED, self.onHtmlLinkClicked)
self.textMetadata.Bind(wx.EVT_KEY_DOWN, self.OnHtmlKeyDown)
self._layout()
def OnHtmlKeyDown(self, event):
if self._is_copy(event):
self._add_selection_to_clipboard()
self.textMetadata.Parent.OnKey(event)
event.Skip()
def _is_copy(self, event):
return event.GetKeyCode() == ord('C') and event.CmdDown()
def _add_selection_to_clipboard(self):
wx.TheClipboard.Open()
wx.TheClipboard.SetData(wx.TextDataObject(self.textMetadata.SelectionToText()))
wx.TheClipboard.Close()
def onNewconnection(self, evt=None, cancel=False):
if self.newBtt.GetLabel() == "New":
self.newBtt.SetLabel('Save')
self.newBtt.Disable()
self.connNameNew = wx.TextCtrl(self.panelLeft)
self.connNameNewLabel = wx.StaticText(self.panelLeft, label='Name')
self.connNameNew.Bind(wx.EVT_TEXT, self.validateNewConn)
self.connUrlNew = wx.TextCtrl(self.panelLeft)
self.connUrlNewLabel = wx.StaticText(self.panelLeft, label='Url')
self.connUrlNew.Bind(wx.EVT_TEXT, self.validateNewConn)
self.cancelBtt = wx.Button(self.panelLeft, label="Cancel")
self.cancelBtt.Bind(wx.EVT_BUTTON, self.cancelAddingNewURL)
self.stBoxConnections1Sizer.Hide(1)
self.stBoxConnections1Sizer.Add(self.cancelBtt, 1, wx.EXPAND)
self.stBoxConnections1Sizer.Add(self.connNameNewLabel, 1, wx.EXPAND)
self.stBoxConnections1Sizer.Add(self.connNameNew, 1, wx.EXPAND)
self.stBoxConnections1Sizer.Add(self.connUrlNewLabel, 1, wx.EXPAND)
self.stBoxConnections1Sizer.Add(self.connUrlNew, 1, wx.EXPAND)
else:
# test validity of connection
url = self.connUrlNew.GetValue()
if cancel:
self.newBtt.SetLabel('New')
self.newBtt.Enable()
self.stBoxConnections1Sizer.Remove(self.connNameNewLabel)
self.stBoxConnections1Sizer.Remove(self.connNameNew)
self.stBoxConnections1Sizer.Remove(self.connUrlNewLabel)
self.stBoxConnections1Sizer.Remove(self.connUrlNew)
self.connNameNew.Destroy()
self.connNameNewLabel.Destroy()
self.connUrlNewLabel.Destroy()
self.connUrlNew.Destroy()