Mercurial Repositories > eric / file diff

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebBrowser/ZoomManager/ZoomValuesDialog.py	Sun Feb 07 18:08:48 2016 +0100
@@ -0,0 +1,71 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2015 - 2016 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a dialog to show all saved zoom values.
+"""
+
+from __future__ import unicode_literals
+
+from PyQt5.QtCore import QSortFilterProxyModel
+from PyQt5.QtGui import QFont, QFontMetrics
+from PyQt5.QtWidgets import QDialog
+
+from .Ui_ZoomValuesDialog import Ui_ZoomValuesDialog
+
+
+class ZoomValuesDialog(QDialog, Ui_ZoomValuesDialog):
+    """
+    Class implementing a dialog to show all saved zoom values.
+    """
+    def __init__(self, parent=None):
+        """
+        Constructor
+        
+        @param parent reference to the parent widget (QWidget)
+        """
+        super(ZoomValuesDialog, self).__init__(parent)
+        self.setupUi(self)
+        
+        self.removeButton.clicked.connect(
+            self.zoomValuesTable.removeSelected)
+        self.removeAllButton.clicked.connect(self.zoomValuesTable.removeAll)
+        
+        from . import ZoomManager
+        from .ZoomValuesModel import ZoomValuesModel
+        
+        self.zoomValuesTable.verticalHeader().hide()
+        self.__zoomValuesModel = ZoomValuesModel(
+            ZoomManager.instance(), self)
+        self.__proxyModel = QSortFilterProxyModel(self)
+        self.__proxyModel.setSourceModel(self.__zoomValuesModel)
+        self.searchEdit.textChanged.connect(
+            self.__proxyModel.setFilterFixedString)
+        self.zoomValuesTable.setModel(self.__proxyModel)
+        
+        fm = QFontMetrics(QFont())
+        height = fm.height() + fm.height() // 3
+        self.zoomValuesTable.verticalHeader().setDefaultSectionSize(height)
+        self.zoomValuesTable.verticalHeader().setMinimumSectionSize(-1)
+        
+        self.__calculateHeaderSizes()
+    
+    def __calculateHeaderSizes(self):
+        """
+        Private method to calculate the section sizes of the horizontal header.
+        """
+        fm = QFontMetrics(QFont())
+        for section in range(self.__zoomValuesModel.columnCount()):
+            header = self.zoomValuesTable.horizontalHeader()\
+                .sectionSizeHint(section)
+            if section == 0:
+                header = fm.width("extraveryveryverylongsitename")
+            elif section == 1:
+                header = fm.width("averagelongzoomvalue")
+            buffer = fm.width("mm")
+            header += buffer
+            self.zoomValuesTable.horizontalHeader()\
+                .resizeSection(section, header)
+        self.zoomValuesTable.horizontalHeader().setStretchLastSection(True)