--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Helpviewer/SiteInfo/SiteInfoDialog.py Sun Nov 06 19:48:46 2011 +0100
@@ -0,0 +1,234 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2011 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a dialog to show some information about a site.
+"""
+
+import os
+
+from PyQt4.QtCore import pyqtSlot, QUrl, Qt, QFile
+from PyQt4.QtGui import QDialog, QTreeWidgetItem, QPixmap, QGraphicsScene, QMenu, \
+ QCursor, QApplication, QFileDialog
+from PyQt4.QtWebKit import QWebSettings
+
+from E5Gui import E5MessageBox, E5FileDialog
+
+from .Ui_SiteInfoDialog import Ui_SiteInfoDialog
+
+from ..Download.DownloadUtilities import dataString
+
+import Helpviewer.HelpWindow
+
+import UI.PixmapCache
+
+
+class SiteInfoDialog(QDialog, Ui_SiteInfoDialog):
+ """
+ Class implementing a dialog to show some information about a site.
+ """
+ okStyle = "QLabel { color : white; background-color : green; }"
+ nokStyle = "QLabel { color : white; background-color : red; }"
+
+ def __init__(self, browser, parent=None):
+ """
+ Constructor
+
+ @param browser reference to the browser window (HelpBrowser)
+ @param parent reference to the parent widget (QWidget)
+ """
+ super().__init__(parent)
+ self.setupUi(self)
+
+ # put icons
+ self.tabWidget.setTabIcon(0, UI.PixmapCache.getIcon("siteinfo-general.png"))
+ self.tabWidget.setTabIcon(1, UI.PixmapCache.getIcon("siteinfo-media.png"))
+ self.tabWidget.setTabIcon(2, UI.PixmapCache.getIcon("siteinfo-security.png"))
+
+ frame = browser.page().mainFrame()
+ title = browser.title()
+ sslInfo = browser.page().getSslInfo()
+
+ # populate General tab
+ self.heading.setText("<b>{0}</b>".format(title))
+ self.siteAddressLabel.setText(frame.baseUrl().toString())
+ self.sizeLabel.setText(dataString(browser.page().totalBytes()))
+ encoding = ""
+
+ # populate Meta tags
+ meta = frame.findAllElements("meta")
+ for element in meta:
+ content = element.attribute("content")
+ name = element.attribute("name")
+ if not name:
+ name = element.attribute("http-equiv")
+ if element.attribute("charset"):
+ encoding = element.attribute("charset")
+ if "charset=" in content:
+ encoding = content[content.index("charset=") + 8:]
+
+ if not content or not name:
+ continue
+
+ QTreeWidgetItem(self.tagsTree, [name, content])
+ for col in range(self.tagsTree.columnCount()):
+ self.tagsTree.resizeColumnToContents(col)
+
+ if not encoding:
+ encoding = QWebSettings.globalSettings().defaultTextEncoding()
+ self.encodingLabel.setText(encoding)
+
+ # populate the Security info and the Security tab
+ if sslInfo is not None and sslInfo.isValid():
+ self.securityLabel.setStyleSheet(SiteInfoDialog.okStyle)
+ self.securityLabel.setText('<b>Connection is encrypted.</b>')
+ self.sslWidget.showCertificate(sslInfo)
+ self.securityDetailsButton.setEnabled(True)
+ else:
+ self.securityLabel.setStyleSheet(SiteInfoDialog.nokStyle)
+ self.securityLabel.setText('<b>Connection is not encrypted.</b>')
+ self.securityDetailsButton.setEnabled(False)
+
+ # populate Media tab
+ images = frame.findAllElements("img")
+ for element in images:
+ src = element.attribute("src")
+ alt = element.attribute("alt")
+ if src and src.startswith("data:"):
+ continue
+ if not alt:
+ if src.find("/") == -1:
+ alt = src
+ else:
+ pos = src.find("/")
+ alt = src[pos + 1:]
+
+ if not src or not alt:
+ continue
+
+ QTreeWidgetItem(self.imagesTree, [alt, src])
+ for col in range(self.imagesTree.columnCount()):
+ self.imagesTree.resizeColumnToContents(col)
+ if self.imagesTree.columnWidth(0) > 300:
+ self.imagesTree.setColumnWidth(0, 300)
+ self.imagesTree.setCurrentItem(self.imagesTree.topLevelItem(0))
+ self.imagesTree.setContextMenuPolicy(Qt.CustomContextMenu)
+ self.imagesTree.customContextMenuRequested.connect(
+ self.__imagesTreeContextMenuRequested)
+
+ @pyqtSlot()
+ def on_securityDetailsButton_clicked(self):
+ """
+ Private slot to show security details.
+ """
+ self.tabWidget.setCurrentIndex(2)
+
+ @pyqtSlot(QTreeWidgetItem, QTreeWidgetItem)
+ def on_imagesTree_currentItemChanged(self, current, previous):
+ """
+ Private slot to show a preview of the selected image.
+
+ @param current current image entry (QTreeWidgetItem)
+ @param previous old current entry (QTreeWidgetItem)
+ """
+ if current is None:
+ return
+
+ imageUrl = QUrl(current.text(1))
+ if not imageUrl.host():
+ imageUrl.setHost(QUrl(self.siteAddressLabel.text()).host())
+ imageUrl.setScheme(QUrl(self.siteAddressLabel.text()).scheme())
+
+ cache = Helpviewer.HelpWindow.HelpWindow.networkAccessManager().cache()
+ cacheData = cache.data(imageUrl)
+ pixmap = QPixmap()
+ invalidPixmap = False
+ scene = QGraphicsScene(self.imagePreview)
+ if not cacheData:
+ invalidPixmap = True
+ else:
+ pixmap.loadFromData(cacheData.readAll())
+ if pixmap.isNull():
+ invalidPixmap = True
+ if invalidPixmap:
+ scene.addText(self.trUtf8("Preview not available."))
+ else:
+ scene.addPixmap(pixmap)
+ self.imagePreview.setScene(scene)
+
+ def __imagesTreeContextMenuRequested(self, pos):
+ """
+ Private slot to show a context menu for the images list.
+
+ @param pos position for the menu (QPoint)
+ """
+ itm = self.imagesTree.itemAt(pos)
+ if itm is None:
+ return
+
+ menu = QMenu()
+ act = menu.addAction(self.trUtf8("Copy Image Location to Clipboard"),
+ self.__copyAction)
+ act.setData(itm.text(1))
+ act = menu.addAction(self.trUtf8("Copy Image Name to Clipboard"),
+ self.__copyAction)
+ act.setData(itm.text(0))
+ menu.addSeparator()
+ act = menu.addAction(self.trUtf8("Save Image"), self.__saveImage)
+ act.setData(self.imagesTree.indexOfTopLevelItem(itm))
+ menu.exec_(QCursor.pos())
+
+ def __copyAction(self):
+ """
+ Private slot to copy the image URL or the image name to the clipboard.
+ """
+ act = self.sender()
+ QApplication.clipboard().setText(act.data())
+
+ def __saveImage(self):
+ """
+ Private slot to save the selected image to disk.
+ """
+ act = self.sender()
+ index = act.data()
+ itm = self.imagesTree.topLevelItem(index)
+ if itm is None:
+ return
+
+ imageUrl = QUrl(itm.text(1))
+ if not imageUrl.host():
+ imageUrl.setHost(QUrl(self.siteAddressLabel.text()).host())
+ imageUrl.setScheme(QUrl(self.siteAddressLabel.text()).scheme())
+
+ cache = Helpviewer.HelpWindow.HelpWindow.networkAccessManager().cache()
+ cacheData = cache.data(imageUrl)
+ if not cacheData:
+ E5MessageBox.critical(self,
+ self.trUtf8("Save Image"),
+ self.trUtf8("""This image is not available."""))
+ return
+
+ downloadDirectory = Helpviewer.HelpWindow.HelpWindow\
+ .downloadManager().downloadDirectory()
+ fn = os.path.join(downloadDirectory, os.path.basename(itm.text(1)))
+ filename = E5FileDialog.getSaveFileName(
+ self,
+ self.trUtf8("Save Image"),
+ fn,
+ self.trUtf8("All Files (*)"),
+ QFileDialog.Options(QFileDialog.DontConfirmOverwrite))
+
+ if not filename:
+ return
+
+ f = QFile(filename)
+ if not f.open(QFile.WriteOnly):
+ E5MessageBox.critical(self,
+ self.trUtf8("Save Image"),
+ self.trUtf8(
+ """<p>Cannot write to file <b>{0}</b>.</p>""".format(filename)))
+ return
+ f.write(cacheData.readAll())
+ f.close()
