Mercurial > hg > Feedworm

annotate MainWindow.py @ 50:4b0d686493fb

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better error handling while adding feeds: data is only saved if a feed could be created and entries could be retrieved. MainWindow displays feedback in the status bar if an exception occurred while adding a feed.
author Dirk Olmes <dirk@xanthippe.ping.de>
date Mon, 17 May 2010 04:30:55 +0200
parents 6eba4168fd54
children 8cca4585eb33
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2 from AddFeed import AddFeed
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3 from DisplayModel import DisplayModel
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4 from Feed import Feed
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5 from FeedEntry import FeedEntry
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6 from FeedSettings import FeedSettings
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7 from PreferencesDialog import PreferencesDialog
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8 from PyQt4 import QtGui
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9 from PyQt4.QtCore import QUrl
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10 from PyQt4.QtGui import QFont
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11 from Ui_MainWindow import Ui_MainWindow
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12 import subprocess
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14 STATUS_MESSAGE_DISPLAY_MILLIS = 20000
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16 class MainWindow(QtGui.QMainWindow):
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17 def __init__(self, session=None):
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18 QtGui.QWidget.__init__(self, None)
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19 self.session = session
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20 self.ui = Ui_MainWindow()
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21 self.ui.setupUi(self)
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22 self.updateFeedList()
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23 self.initFeedEntryList()
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25 def updateFeedList(self):
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26 self.allFeeds = Feed.all(self.session)
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27 feedModel = DisplayModel(self, self.allFeeds, Feed.userPresentableString)
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28 self.ui.feedList.setModel(feedModel)
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29 self.ui.feedList.update()
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31 def initFeedEntryList(self):
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32 self.ui.feedEntryList.setItemDelegate(FeedEntryItemDelegate())
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34 def feedSelected(self, index):
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35 self.selectedFeed = self.allFeeds[index.row()]
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36 self.sortedEntries = self.selectedFeed.entriesSortedByUpdateDate()
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37 model = DisplayModel(self, self.sortedEntries, FeedEntry.userPresentableString)
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38 self.ui.feedEntryList.setModel(model)
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39 self.ui.feedEntryList.itemDelegate().entries = self.sortedEntries
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40 self.ui.feedEntryList.update()
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42 def feedEntrySelected(self, index):
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43 self.ui.menuArticle.setEnabled(True)
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45 row = index.row()
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46 self.selectedEntry = self.sortedEntries[row]
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48 if self.selectedEntry.feed.auto_load_entry_link:
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49 self.openLinkFromSelectedEntry()
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50 else:
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51 self.openSummaryFromSelectedEntry()
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53 def openSummaryFromSelectedEntry(self):
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54 # TODO this is the wrong base url, figure out the correct one
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55 baseUrl = QUrl(self.selectedEntry.link)
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56 self.ui.webView.setHtml(self.selectedEntry.summary, baseUrl)
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58 def openLinkFromSelectedEntry(self):
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59 url = QUrl(self.selectedEntry.link)
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60 self.ui.webView.load(url)
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61 self.ui.webView.show()
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63 def toggleReadOnSelectedEntry(self):
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64 self.selectedEntry.toggleRead()
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65 self.session.commit()
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66 self.ui.feedList.update()
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67
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68 def addFeed(self):
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69 addFeed = AddFeed(self.session)
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70 success = addFeed.exec_()
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71 if not success:
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72 return
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74 if addFeed.exception is not None:
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75 message = "Error while adding feed: " + str(addFeed.exception)
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76 self.ui.statusbar.showMessage(message, STATUS_MESSAGE_DISPLAY_MILLIS)
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77 else:
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78 self.session.commit()
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79 self.updateFeedList()
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81 def openSelectedEntryInBrowser(self):
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82 # TODO make browser configurable
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83 browser = "/usr/local/bin/opera"
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84 subprocess.Popen([browser, self.selectedEntry.link])
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85
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86 def showPreferences(self):
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87 preferences = PreferencesDialog(self.session)
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88 preferences.exec_()
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90 def showFeedSettings(self):
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91 feedSettings = FeedSettings(self.session, self.selectedFeed)
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92 feedSettings.exec_()
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93
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94
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95 class FeedEntryItemDelegate(QtGui.QStyledItemDelegate):
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96 def __init__(self):
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97 QtGui.QStyledItemDelegate.__init__(self, None)
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98
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99 def paint(self, painter, style, index):
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100 row = index.row()
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101 entry = self.entries[row]
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102 if entry.read:
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103 style.font.setWeight(QFont.Normal)
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104 else:
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105 style.font.setWeight(QFont.Bold)
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106 QtGui.QStyledItemDelegate.paint(self, painter, style, index)