Helpviewer/AdBlock/AdBlockExceptionsDialog.py

Mon, 12 Nov 2012 19:04:11 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Mon, 12 Nov 2012 19:04:11 +0100
changeset 2223
054c285dab38
parent 1972
5341662d6cfb
child 2302
f29e9405c851
permissions
-rw-r--r--

Changed a bunch of forms to use the E5ClearableLineEdit and E5ClearableComboBox.

# -*- coding: utf-8 -*-

# Copyright (c) 2012 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing a dialog to configure the AdBlock exceptions.
"""

from PyQt4.QtCore import pyqtSlot
from PyQt4.QtGui import QDialog

from .Ui_AdBlockExceptionsDialog import Ui_AdBlockExceptionsDialog

import Helpviewer.HelpWindow

import UI.PixmapCache


class AdBlockExceptionsDialog(QDialog, Ui_AdBlockExceptionsDialog):
    """
    Class implementing a dialog to configure the AdBlock exceptions.
    """
    def __init__(self, parent=None):
        """
        Constructor
        
        @param parent reference to the parent widget (QWidget)
        """
        super().__init__(parent)
        self.setupUi(self)
        
        self.iconLabel.setPixmap(UI.PixmapCache.getPixmap("adBlockPlusGreen48.png"))
        
        self.hostEdit.setInactiveText(self.trUtf8("Enter host to be added..."))
        
        self.buttonBox.setFocus()
    
    def load(self, hosts):
        """
        Public slot to load the list of excepted hosts.
        
        @param hosts list of excepted hosts
        """
        self.hostList.clear()
        self.hostList.addItems(hosts)
    
    @pyqtSlot(str)
    def on_hostEdit_textChanged(self, txt):
        """
        Private slot to handle changes of the host edit.
        
        @param txt text of the edit (string)
        """
        self.addButton.setEnabled(bool(txt))
    
    @pyqtSlot()
    def on_addButton_clicked(self):
        """
        Private slot to handle a click of the add button.
        """
        self.hostList.addItem(self.hostEdit.text())
        self.hostEdit.clear()
    
    @pyqtSlot()
    def on_hostList_itemSelectionChanged(self):
        """
        Private slot handling a change of the number of selected items.
        """
        self.deleteButton.setEnabled(len(self.hostList.selectedItems()) > 0)
    
    @pyqtSlot()
    def on_deleteButton_clicked(self):
        """
        Private slot handling a click of the delete button.
        """
        for itm in self.hostList.selectedItems():
            row = self.hostList.row(itm)
            removedItem = self.hostList.takeItem(row)
            del removedItem
    
    def accept(self):
        """
        Public slot handling the acceptance of the dialog.
        """
        hosts = []
        for row in range(self.hostList.count()):
            hosts.append(self.hostList.item(row).text())
        
        Helpviewer.HelpWindow.HelpWindow.adBlockManager().setExceptions(hosts)
        
        super().accept()

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