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106 lines
3.9 KiB
106 lines
3.9 KiB
import os
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from PyQt5 import uic
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from PyQt5.QtCore import Qt , pyqtSignal
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from PyQt5.QtWidgets import QWidget , QListWidgetItem
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import asl_cards.db as db
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from asl_cards.db import AslCard
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from constants import *
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import globals
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# ---------------------------------------------------------------------
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class AddCardWidget( QWidget ) :
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"""Allow the user to select an ASL card, based on nationality & card type."""
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# define our signals
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accepted_signal = pyqtSignal( AslCard , name="accepted" )
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cancelled_signal = pyqtSignal( name="cancelled" )
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def __init__( self , parent ) :
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# initialize
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super().__init__( parent=parent )
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# initialize the widget
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uic.loadUi( os.path.join(globals.base_dir,"ui/add_card_widget.ui") , self )
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self.lb_cards.setSortingEnabled( True )
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# load the widget
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for nationality in globals.cards :
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self.cbo_nationality.addItem( nationality )
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# connect our handlers
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self.cbo_nationality.currentIndexChanged[str].connect( self.on_nationality_changed )
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self.lb_cards.itemDoubleClicked.connect( self.on_card_doubleclicked )
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self.ok_button.clicked.connect( self.on_ok )
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self.cancel_button.clicked.connect( self.on_cancel )
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for rb in [self.rb_vehicles,self.rb_ordnance] :
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rb.clicked.connect( self.on_card_type_changed )
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# select the initial nationality (this will load the rest of the widget)
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self.cbo_nationality.setCurrentIndex( 0 )
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self.on_nationality_changed( self.cbo_nationality.itemText(0) )
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def on_ok( self ) :
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"""Accept the currently selected card."""
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item = self.lb_cards.currentItem()
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card = item.data(Qt.UserRole) if item else None
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self.accepted_signal.emit( card )
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def on_cancel( self ) :
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"""Cancel the widget."""
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self.cancelled_signal.emit()
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def on_nationality_changed( self , val ) :
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"""Update the widget when the active nationality is changed."""
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# reload the available cards for the selected nationality
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cards = globals.cards[ val ]
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self.lb_cards.clear()
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# update the vehicle/ordnance radio boxes
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if self.rb_vehicles.isChecked() :
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curr_rb = self.rb_vehicles
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elif self.rb_ordnance.isChecked() :
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curr_rb = self.rb_ordnance
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else :
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curr_rb = None
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self.rb_vehicles.setEnabled( db.TAGTYPE_VEHICLE in cards )
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self.rb_ordnance.setEnabled( db.TAGTYPE_ORDNANCE in cards )
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if curr_rb is None or not curr_rb.isEnabled() :
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for rb in [self.rb_vehicles,self.rb_ordnance] :
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if rb.isEnabled() :
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rb.setChecked( True )
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break
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# reload the cards
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self.on_card_type_changed()
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def on_card_type_changed( self ) :
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"""Update the widget when the active card type is changed."""
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self.lb_cards.clear()
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# figure out what type of cards to show
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if self.rb_vehicles.isChecked() :
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card_type = db.TAGTYPE_VEHICLE
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elif self.rb_ordnance.isChecked() :
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card_type = db.TAGTYPE_ORDNANCE
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else :
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return
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# reload the available cards
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cards = globals.cards[ self.cbo_nationality.currentText() ]
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cards = cards.get( card_type )
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if cards is None :
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assert False
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return
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for card in cards :
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item = QListWidgetItem( card.name )
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item.setData( Qt.UserRole , card )
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self.lb_cards.addItem( item )
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self.lb_cards.setCurrentRow( 0 )
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self.lb_cards.setFocus()
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def on_card_doubleclicked( self , item ) :
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# handle the event
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if item :
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self.on_ok()
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def keyPressEvent( self , evt ) :
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# handle the event
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if evt.key() == Qt.Key_Return :
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if not self.lb_cards.currentItem() :
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QApplication.beep()
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self.on_ok()
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