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legendlayerpl.py
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legendlayerpl.py
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# -*- coding: utf-8 -*-
"""
/***************************************************************************
Name : Legend Layer
Description : Legend Layer for Planet Labs layer
Date : June, 2015
copyright : (C) 2015 by Luiz Motta
email : motta.luiz@gmail.com
***************************************************************************/
/***************************************************************************
* *
* 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 ( pyqtSlot, QSettings, QDir, QDate, QFile, QIODevice, QTimer )
from PyQt4.QtGui import (
QDialog, QHBoxLayout, QVBoxLayout, QLabel, QPushButton, QSpinBox, QGroupBox, QRadioButton, QCheckBox,
QDateEdit, QFileDialog, QMessageBox, QAction, QColor
)
from PyQt4.QtXml import QDomDocument
import qgis
from qgis.core import (
QGis, QgsMapLayer, QgsRectangle, QgsGeometry,
QgsCoordinateReferenceSystem, QgsCoordinateTransform
)
from qgis.gui import ( QgsRubberBand )
class DialogImageSettingPL(QDialog):
def __init__(self, parent, icon=None, data=None):
def initGui():
def setData():
buttonPath.setText( self.data["path"] )
radioVisual.setChecked( self.data["isVisual"] )
radioAnalytic.setChecked( not self.data["isVisual"] )
chkBoxSquare.setChecked( self.data["isSquare"] )
d1 = self.data["date1"]
d2 = self.data["date2"]
date1.setDate( d1 )
date2.setDate( d2 )
date1.setMaximumDate( d2.addDays( -1 ) )
date2.setMinimumDate( d1.addDays( +1 ) )
spinDay.setValue( d1.daysTo( d2) )
def connect():
buttonOK.clicked.connect( self.onOK )
buttonPath.clicked.connect( self.onPath )
date1.dateChanged.connect( self.onDateChanged1 )
date2.dateChanged.connect( self.onDateChanged2 )
spinDay.valueChanged.connect( self.onValueChanged )
windowTitle = "Setting download images Planet Labs"
self.setWindowTitle( windowTitle )
self.setWindowIcon( icon )
grpImage = QGroupBox( "Images", self )
radioVisual = QRadioButton( "Visual", grpImage )
radioVisual.setObjectName( "rbVisual" )
radioAnalytic = QRadioButton( "Analytic", grpImage )
chkBoxSquare = QCheckBox( "Square thumbnail", grpImage )
chkBoxSquare.setObjectName( "cbBoxSquare" )
buttonPath = QPushButton( self.titleSelectDirectory, grpImage )
buttonPath.setObjectName( "pbPath" )
layoutRadioButtons = QHBoxLayout()
for item in ( radioVisual, radioAnalytic ):
layoutRadioButtons.addWidget( item )
layoutImage = QVBoxLayout( grpImage )
layoutImage.addLayout( layoutRadioButtons )
layoutImage.addWidget( chkBoxSquare )
layoutImage.addWidget( buttonPath )
grpDateSearch = QGroupBox( "Dates for search", self )
date1 = QDateEdit( grpDateSearch )
date1.setObjectName( "deDate1" )
date2 = QDateEdit( grpDateSearch )
date2.setObjectName( "deDate2" )
for item in [ date1, date2 ]:
item.setCalendarPopup( True )
format = item.displayFormat().replace( "yy", "yyyy")
item.setDisplayFormat( format )
spinDay = QSpinBox( grpDateSearch )
spinDay.setObjectName( "sbDay" )
spinDay.setSingleStep( 1 )
spinDay.setSuffix( " Days")
spinDay.setRange( 1, 1000*360 )
layoutDate = QHBoxLayout( grpDateSearch )
layoutDate.addWidget( QLabel("From", grpDateSearch ) )
layoutDate.addWidget( date1 )
layoutDate.addWidget( QLabel("To", grpDateSearch ) )
layoutDate.addWidget( date2 )
layoutDate.addWidget( spinDay )
buttonOK = QPushButton( "OK", self )
layout = QVBoxLayout( self )
layout.addWidget( grpImage )
layout.addWidget( grpDateSearch )
layout.addWidget( buttonOK )
self.resize( 5 * len( windowTitle ) + 200 , 30 )
if not self.data is None:
setData()
else:
radioVisual.setChecked( True )
radioAnalytic.setChecked( False )
chkBoxSquare.setChecked( False )
d2 = QDate.currentDate()
d1 = d2.addMonths( -1 )
date1.setDate( d1 )
date2.setDate( d2 )
date1.setMaximumDate( d2.addDays( -1 ) )
date2.setMinimumDate( d1.addDays( +1 ) )
spinDay.setValue( d1.daysTo( d2) )
connect()
super( DialogImageSettingPL, self ).__init__( parent )
self.data = data
self.titleSelectDirectory = "Select download directory"
initGui()
def getData(self):
return self.data
def _saveDataSetting(self):
localSetting = "catalogpl_plugin" # ~/.config/QGIS/QGIS2.conf
values = {
'path': "%s/path" % localSetting,
'isVisual': "%s/isVisual" % localSetting,
'isSquare': "%s/isSquare" % localSetting
}
s = QSettings()
for key in values.keys():
s.setValue( values[ key ], self.data[ key ] )
def _setSpinDay(self, date1, date2 ):
spinDay = self.findChild( QSpinBox, "sbDay" )
spinDay.valueChanged.disconnect( self.onValueChanged )
spinDay.setValue( date1.daysTo( date2) )
spinDay.valueChanged.connect( self.onValueChanged )
@staticmethod
def getDownloadSettings():
localSetting = "catalogpl_plugin" # ~/.config/QGIS/QGIS2.conf
values = {
'path': "%s/path" % localSetting,
'isVisual': "%s/isVisual" % localSetting,
'isSquare': "%s/isSquare" % localSetting
}
data = None
s = QSettings()
path = s.value( values['path'], None )
if not path is None:
isVisual = s.value( values['isVisual'], None )
isSquare = s.value( values['isSquare'], None )
isVisual = True if isVisual == "true" else False
isSquare = True if isSquare == "true" else False
if QDir( path ).exists():
data = { 'path': path, 'isVisual': isVisual, 'isSquare': isSquare, 'isOk': True }
else:
data = { 'path': path, 'isOk': False }
s.remove( values['path'] )
else:
data = { 'path': "Empty", 'isOk': False }
return data
@pyqtSlot( bool )
def onOK(self, checked):
pb = self.findChild( QPushButton, "pbPath" )
path = pb.text()
if path == self.titleSelectDirectory:
msg = "Please. %s" % self.titleSelectDirectory
QMessageBox.information( self, "Missing directory for download", msg )
return
rb = self.findChild( QRadioButton, "rbVisual" )
cb = self.findChild( QCheckBox, "cbBoxSquare" )
date1 = self.findChild( QDateEdit, "deDate1" )
date2 = self.findChild( QDateEdit, "deDate2" )
self.data = {
"path": path,
"isVisual": rb.isChecked(),
"isSquare": cb.isChecked(),
"date1": date1.date(),
"date2": date2.date()
}
self._saveDataSetting()
self.data[ 'isOk' ] = True
self.accept()
@pyqtSlot( bool )
def onPath(self, checked):
pb = self.findChild( QPushButton, "pbPath" )
path = pb.text()
if path == self.titleSelectDirectory:
path = None
sdir = QFileDialog.getExistingDirectory(self, self.titleSelectDirectory, path )
if len(sdir) > 0:
pb.setText( sdir )
@pyqtSlot( 'QDate' )
def onDateChanged1(self, date ):
date2 = self.findChild( QDateEdit, "deDate2" )
date2.setMinimumDate( date.addDays( +1 ) )
self._setSpinDay( date, date2.date() )
@pyqtSlot( 'QDate' )
def onDateChanged2(self, date ):
date1 = self.findChild( QDateEdit, "deDate1" )
date1.setMaximumDate( date.addDays( -1 ) )
self._setSpinDay( date1.date(), date )
@pyqtSlot( int )
def onValueChanged(self, days ):
date1 = self.findChild( QDateEdit, "deDate1" )
date2 = self.findChild( QDateEdit, "deDate2" )
newDate = date2.date().addDays( -1 * days )
date1.dateChanged.disconnect( self.onDateChanged1 )
date1.setDate( newDate )
date2.setMinimumDate( newDate.addDays( +1 ) )
date1.dateChanged.connect( self.onDateChanged1 )
class LegendCatalogLayer():
def __init__(self, slots):
self.slots = slots
self.legendInterface = qgis.utils.iface.legendInterface()
self.legendLayer = self.layer = None
def clean(self):
for item in self.legendLayer:
self.legendInterface.removeLegendLayerAction( item['action'] )
def setLayer(self, layer):
def addActionLegendLayer(parentMenu):
self.legendLayer = [
{
'menu': u"Clear key",
'id': "idKey",
'slot': self.slots['clearKey'],
'action': None
},
{
'menu': u"Setting downloads",
'id': "idSetting",
'slot': self.slots['setting'],
'action': None
},
{
'menu': u"Download TMS",
'id': "idDownloadTMS",
'slot': self.slots['tms'],
'action': None
},
{
'menu': u"Download images",
'id': "idDownloadImages",
'slot': self.slots['images'],
'action': None
},
{
'menu': u"Download thumbnails",
'id': "idDownloadThumbnails",
'slot': self.slots['thumbnails'],
'action': None
}
]
for item in self.legendLayer:
#al = QAction( CatalogPLPlugin.icon, item['menu'], self.legendInterface )
item['action'] = QAction( item['menu'], None )
if item['id'].find("idDownload") != -1:
item['action'].setEnabled( False )
item['action'].triggered.connect( item['slot'] )
self.legendInterface.addLegendLayerAction( item['action'], parentMenu, item['id'], QgsMapLayer.VectorLayer, False )
self.layer = layer
self.layer.selectionChanged.connect( self.selectionChanged )
addActionLegendLayer( u"Planet Labs" )
for item in self.legendLayer:
self.legendInterface.addLegendLayerActionForLayer( item['action'], self.layer )
if item['id'].find("idSetting") != -1:
text = "%s (%d total)..." % ( item['menu'], self.layer.featureCount() )
item['action'].setText( text )
def enabledDownload(self, enabled=True):
selFeats = self.layer.selectedFeatureCount()
totFeats = self.layer.featureCount()
countDownload = " (%d selected)..." % selFeats if selFeats > 0 else " (%d total)..." % totFeats
for item in self.legendLayer:
if item['id'].find("idDownload") != -1:
item['action'].setEnabled( enabled )
elif item['id'].find("idSetting") != -1:
text = "%s%s" % ( item['menu'], countDownload )
item['action'].setText( text )
def enabledClearKey (self, enabled=True):
for item in self.legendLayer:
if item['id'].find("idKey") != -1:
item['action'].setEnabled( enabled )
@pyqtSlot()
def selectionChanged(self):
selFeats = self.layer.selectedFeatureCount()
totFeats = self.layer.featureCount()
countDownload = " (%d selected)..." % selFeats if selFeats > 0 else " (%d total)..." % totFeats
for item in self.legendLayer:
if item['id'].find("idSetting") != -1:
text = "%s%s" % ( item['menu'], countDownload )
item['action'].setText( text )
break