diff -r eaf2cf171f3a -r 5cf645f6daab eric6/Helpviewer/AdBlock/AdBlockTreeWidget.py
--- a/eric6/Helpviewer/AdBlock/AdBlockTreeWidget.py Sat Sep 07 14:45:27 2019 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,262 +0,0 @@
-# -*- coding: utf-8 -*-
-
-# Copyright (c) 2012 - 2019 Detlev Offenbach <detlev@die-offenbachs.de>
-#
-
-"""
-Module implementing a tree widget for the AdBlock configuration dialog.
-"""
-
-from __future__ import unicode_literals
-
-from PyQt5.QtCore import Qt
-from PyQt5.QtGui import QFont, QColor
-from PyQt5.QtWidgets import QAbstractItemView, QTreeWidgetItem, QInputDialog, \
- QLineEdit, QMenu, QApplication
-
-from E5Gui.E5TreeWidget import E5TreeWidget
-
-
-class AdBlockTreeWidget(E5TreeWidget):
- """
- Class implementing a tree widget for the AdBlock configuration dialog.
- """
- def __init__(self, subscription, parent=None):
- """
- Constructor
-
- @param subscription reference to the subscription (AdBlockSubscription)
- @param parent reference to the parent widget (QWidget)
- """
- super(AdBlockTreeWidget, self).__init__(parent)
-
- self.__subscription = subscription
- self.__topItem = None
- self.__ruleToBeSelected = ""
- self.__itemChangingBlock = False
-
- self.setContextMenuPolicy(Qt.CustomContextMenu)
- self.setDefaultItemShowMode(E5TreeWidget.ItemsExpanded)
- self.setHeaderHidden(True)
- self.setAlternatingRowColors(True)
-
- self.customContextMenuRequested.connect(self.__contextMenuRequested)
- self.itemChanged.connect(self.__itemChanged)
- self.__subscription.changed.connect(self.__subscriptionChanged)
- self.__subscription.rulesChanged.connect(self.__subscriptionChanged)
-
- def subscription(self):
- """
- Public method to get a reference to the subscription.
-
- @return reference to the subscription (AdBlockSubscription)
- """
- return self.__subscription
-
- def showRule(self, rule):
- """
- Public method to highlight the given rule.
-
- @param rule AdBlock rule to be shown (AdBlockRule)
- """
- if rule:
- self.__ruleToBeSelected = rule.filter()
- if not self.__topItem:
- return
- if self.__ruleToBeSelected:
- items = self.findItems(self.__ruleToBeSelected, Qt.MatchRecursive)
- if items:
- item = items[0]
- self.setCurrentItem(item)
- self.scrollToItem(item, QAbstractItemView.PositionAtCenter)
-
- self.__ruleToBeSelected = ""
-
- def refresh(self):
- """
- Public method to refresh the tree.
- """
- QApplication.setOverrideCursor(Qt.WaitCursor)
- self.__itemChangingBlock = True
- self.clear()
-
- boldFont = QFont()
- boldFont.setBold(True)
-
- self.__topItem = QTreeWidgetItem(self)
- self.__topItem.setText(0, self.__subscription.title())
- self.__topItem.setFont(0, boldFont)
- self.addTopLevelItem(self.__topItem)
-
- allRules = self.__subscription.allRules()
-
- index = 0
- for rule in allRules:
- item = QTreeWidgetItem(self.__topItem)
- item.setText(0, rule.filter())
- item.setData(0, Qt.UserRole, index)
- if self.__subscription.canEditRules():
- item.setFlags(item.flags() | Qt.ItemIsEditable)
- self.__adjustItemFeatures(item, rule)
- index += 1
-
- self.expandAll()
- self.showRule(None)
- self.__itemChangingBlock = False
- QApplication.restoreOverrideCursor()
- QApplication.processEvents()
-
- def addRule(self, filterRule=""):
- """
- Public slot to add a new rule.
-
- @param filterRule filter to be added (string)
- """
- if not self.__subscription.canEditRules():
- return
-
- if not filterRule:
- filterRule, ok = QInputDialog.getText(
- self,
- self.tr("Add Custom Rule"),
- self.tr("Write your rule here:"),
- QLineEdit.Normal)
- if not ok or filterRule == "":
- return
-
- from .AdBlockRule import AdBlockRule
- rule = AdBlockRule(filterRule, self.__subscription)
- self.__subscription.addRule(rule)
-
- def removeRule(self):
- """
- Public slot to remove the current rule.
- """
- item = self.currentItem()
- if item is None or \
- not self.__subscription.canEditRules() or \
- item == self.__topItem:
- return
-
- offset = item.data(0, Qt.UserRole)
- self.__subscription.removeRule(offset)
- self.deleteItem(item)
-
- def __contextMenuRequested(self, pos):
- """
- Private slot to show the context menu.
-
- @param pos position for the menu (QPoint)
- """
- if not self.__subscription.canEditRules():
- return
-
- item = self.itemAt(pos)
- if item is None:
- return
-
- menu = QMenu()
- menu.addAction(self.tr("Add Rule"), self.addRule)
- menu.addSeparator()
- act = menu.addAction(self.tr("Remove Rule"), self.removeRule)
- if item.parent() is None:
- act.setDisabled(True)
-
- menu.exec_(self.viewport().mapToGlobal(pos))
-
- def __itemChanged(self, itm):
- """
- Private slot to handle the change of an item.
-
- @param itm changed item (QTreeWidgetItem)
- """
- if itm is None or self.__itemChangingBlock:
- return
-
- self.__itemChangingBlock = True
-
- offset = itm.data(0, Qt.UserRole)
- oldRule = self.__subscription.rule(offset)
-
- if itm.checkState(0) == Qt.Unchecked and oldRule.isEnabled():
- # Disable rule
- rule = self.__subscription.setRuleEnabled(offset, False)
- self.__adjustItemFeatures(itm, rule)
- elif itm.checkState(0) == Qt.Checked and not oldRule.isEnabled():
- # Enable rule
- rule = self.__subscription.setRuleEnabled(offset, True)
- self.__adjustItemFeatures(itm, rule)
- elif self.__subscription.canEditRules():
- from .AdBlockRule import AdBlockRule
- # Custom rule has been changed
- rule = self.__subscription.replaceRule(
- AdBlockRule(itm.text(0), self.__subscription), offset)
- self.__adjustItemFeatures(itm, rule)
-
- self.__itemChangingBlock = False
-
- def __copyFilter(self):
- """
- Private slot to copy the current filter to the clipboard.
- """
- item = self.currentItem()
- if item is not None:
- QApplication.clipboard().setText(item.text(0))
-
- def __subscriptionChanged(self):
- """
- Private slot handling a subscription change.
- """
- self.refresh()
-
- self.__itemChangingBlock = True
- self.__topItem.setText(
- 0, self.tr("{0} (recently updated)").format(
- self.__subscription.title()))
- self.__itemChangingBlock = False
-
- def __adjustItemFeatures(self, itm, rule):
- """
- Private method to adjust an item.
-
- @param itm item to be adjusted (QTreeWidgetItem)
- @param rule rule for the adjustment (AdBlockRule)
- """
- if not rule.isEnabled():
- font = QFont()
- font.setItalic(True)
- itm.setForeground(0, QColor(Qt.gray))
-
- if not rule.isComment() and not rule.isHeader():
- itm.setFlags(itm.flags() | Qt.ItemIsUserCheckable)
- itm.setCheckState(0, Qt.Unchecked)
- itm.setFont(0, font)
-
- return
-
- itm.setFlags(itm.flags() | Qt.ItemIsUserCheckable)
- itm.setCheckState(0, Qt.Checked)
-
- if rule.isCSSRule():
- itm.setForeground(0, QColor(Qt.darkBlue))
- itm.setFont(0, QFont())
- elif rule.isException():
- itm.setForeground(0, QColor(Qt.darkGreen))
- itm.setFont(0, QFont())
- else:
- itm.setForeground(0, QColor())
- itm.setFont(0, QFont())
-
- def keyPressEvent(self, evt):
- """
- Protected method handling key presses.
-
- @param evt key press event (QKeyEvent)
- """
- if evt.key() == Qt.Key_C and \
- evt.modifiers() & Qt.ControlModifier:
- self.__copyFilter()
- elif evt.key() == Qt.Key_Delete:
- self.removeRule()
- else:
- super(AdBlockTreeWidget, self).keyPressEvent(evt)
