コード例 #1
0
class QtChanges(qt.QDialog):

    def __init__(self, parent=None):
        qt.QDialog.__init__(self, parent)

        self.setIcon(getPixmap("smart"))
        self.setCaption(_("Change Summary"))
        self.setModal(True)
        self.setMinimumSize(600, 400)
        centerWindow(self)
        
        self._vbox = qt.QVBoxLayout(self)
        self._vbox.setMargin(10)
        self._vbox.setSpacing(10)

        self._label = qt.QLabel(self)
        self._vbox.addWidget(self._label)

        self._pv = QtPackageView(self)
        self._pv.getTreeView().header().hide()
        self._pv.setExpandPackage(True)
        self._pv.show()
        self._vbox.addWidget(self._pv)

        self._sizelabel = qt.QLabel("", self)
        self._vbox.addWidget(self._sizelabel)

        self._confirmbbox = qt.QHBox(self)
        self._confirmbbox.setSpacing(10)
        self._confirmbbox.layout().addStretch(1)
        self._vbox.addWidget(self._confirmbbox)

        self._cancelbutton = qt.QPushButton(_("Cancel"), self._confirmbbox)
        qt.QObject.connect( self._cancelbutton, qt.SIGNAL("clicked()"), self, qt.SLOT("reject()"))
        self._okbutton = qt.QPushButton(_("OK"), self._confirmbbox)
        qt.QObject.connect( self._okbutton, qt.SIGNAL("clicked()"), self, qt.SLOT("accept()"))

        self._closebbox = qt.QHBox(self)
        self._closebbox.setSpacing(10)
        self._closebbox.layout().addStretch(1)
        self._vbox.addWidget(self._closebbox)

        self._closebutton = qt.QPushButton(_("Close"), self._closebbox)
        qt.QObject.connect( self._closebutton, qt.SIGNAL("clicked()"), self, qt.SLOT("close()"))
        
    def showChangeSet(self, changeset, keep=None, confirm=False, label=None):

        report = Report(changeset)
        report.compute()
        
        class Sorter(unicode):
            ORDER = [_("Remove"), _("Downgrade"), _("Reinstall"),
                     _("Install"), _("Upgrade")]
            def _index(self, s):
                i = 0
                for os in self.ORDER:
                    if os.startswith(s):
                        return i
                    i += 1
                return i
            def __cmp__(self, other):
                return cmp(self._index(unicode(self)), self._index(unicode(other)))
            def __lt__(self, other):
                return cmp(self, other) < 0

        packages = {}

        if report.install:
            install = {}
            reinstall = {}
            upgrade = {}
            downgrade = {}
            lst = report.install.keys()
            lst.sort()
            for pkg in lst:
                package = {}
                done = {}
                if pkg in report.upgrading:
                    for upgpkg in report.upgrading[pkg]:
                        package.setdefault(_("Upgrades"), []).append(upgpkg)
                        done[upgpkg] = True
                if pkg in report.downgrading:
                    for dwnpkg in report.downgrading[pkg]:
                        package.setdefault(_("Downgrades"), []).append(dwnpkg)
                        done[dwnpkg] = True
                if pkg in report.requires:
                    for reqpkg in report.requires[pkg]:
                        package.setdefault(_("Requires"), []).append(reqpkg)
                if pkg in report.requiredby:
                    for reqpkg in report.requiredby[pkg]:
                        package.setdefault(_("Required By"), []).append(reqpkg)
                if pkg in report.conflicts:
                    for cnfpkg in report.conflicts[pkg]:
                        if cnfpkg in done:
                            continue
                        package.setdefault(_("Conflicts"), []).append(cnfpkg)
                if pkg.installed:
                    reinstall[pkg] = package
                elif pkg in report.upgrading:
                    upgrade[pkg] = package
                elif pkg in report.downgrading:
                    downgrade[pkg] = package
                else:
                    install[pkg] = package
            if reinstall:
                packages[Sorter(_("Reinstall (%d)") % len(reinstall))] = \
                                                                    reinstall
            if install:
                packages[Sorter(_("Install (%d)") % len(install))] = install
            if upgrade:
                packages[Sorter(_("Upgrade (%d)") % len(upgrade))] = upgrade
            if downgrade:
                packages[Sorter(_("Downgrade (%d)") % len(downgrade))] = \
                                                                    downgrade

        if report.removed:
            remove = {}
            lst = report.removed.keys()
            lst.sort()
            for pkg in lst:
                package = {}
                done = {}
                if pkg in report.requires:
                    for reqpkg in report.requires[pkg]:
                        package.setdefault(_("Requires"), []).append(reqpkg)
                if pkg in report.requiredby:
                    for reqpkg in report.requiredby[pkg]:
                        package.setdefault(_("Required By"), []).append(reqpkg)
                if pkg in report.conflicts:
                    for cnfpkg in report.conflicts[pkg]:
                        if cnfpkg in done:
                            continue
                        package.setdefault(_("Conflicts"), []).append(cnfpkg)
                remove[pkg] = package
            if remove:
                packages[Sorter(_("Remove (%d)") % len(report.removed))] = \
                                                                        remove

        if keep:
            packages[Sorter(_("Keep (%d)") % len(keep))] = keep

        dsize = report.getDownloadSize()
        size = report.getInstallSize() - report.getRemoveSize()
        sizestr = ""
        if dsize:
            sizestr += _("%s of package files are needed. ") % sizeToStr(dsize)
        if size > 0:
            sizestr += _("%s will be used.") % sizeToStr(size)
        elif size < 0:
            size *= -1
            sizestr += _("%s will be freed.") % sizeToStr(size)
        if dsize or size:
            self._sizelabel.setText(sizestr)
            self._sizelabel.show()
        else:
            self._sizelabel.hide()

        if confirm:
            self._confirmbbox.show()
            self._closebbox.hide()
            self._okbutton.setDefault(True)
        else:
            self._closebbox.show()
            self._confirmbbox.hide()
            self._closebutton.setDefault(True)

        if label:
            self._label.set_text(label)
            self._label.show()
        else:
            self._label.hide()

        self._pv.setPackages(packages, changeset)

        # Expand first level
        self._pv.setExpanded([(x,) for x in packages])

        self._result = False
        self.show()
        dialogResult = self.exec_loop()
        self._result = (dialogResult == qt.QDialog.Accepted)

        return self._result
コード例 #2
0
class QtPackageInfo(qt.QTabWidget):
    def __init__(self, parent):
        qt.QTabWidget.__init__(self, parent)

        self._pkg = None
        self._changeset = None

        self._tabwidget = self
        self._tabwidget.show()

        sv = BackgroundScrollView(self._tabwidget)
        sv.setMargin(5)
        sv.show()

        grid = qt.QGrid(2, sv.viewport())
        grid.setSpacing(5)
        grid.setMargin(5)
        grid.show()
        sv.addChild(grid)

        self._info = type("Info", (), {})()

        row = 1
        for attr, text in [("status", _("Status:")),
                           ("priority", _("Priority:")),
                           ("group", _("Group:")),
                           ("installedsize", _("Installed Size:")),
                           ("channels", _("Channels:")),
                           ("reference", _("Reference URLs:"))]:
            label = qt.QLabel(text, grid)
            label.show()
            setattr(self._info, attr+"_label", label)
            label = qt.QLabel("", grid)
            label.show()
            setattr(self._info, attr, label)
            row += 1
        
        self._grid = grid

        self._grid.adjustSize()
        self._tabwidget.addTab(sv, _("General"))

        sv = BackgroundScrollView(self._tabwidget)
        sv.setMargin(5)
        sv.show()

        self._descr = qt.QLabel(sv.viewport())
        self._descr.setAlignment(qt.Qt.AlignTop)
        self._descr.show()
        sv.addChild(self._descr)

        self._descr.adjustSize()
        self._tabwidget.addTab(sv, _("Description"))

        sv = BackgroundScrollView(self._tabwidget)
        sv.setVScrollBarMode(qt.QScrollView.AlwaysOn)
        sv.setMargin(5)
        sv.show()

        self._cont = qt.QLabel(sv.viewport())
        self._cont.setAlignment(qt.Qt.AlignTop)
        self._cont.setSizePolicy(qt.QSizePolicy.Expanding,qt.QSizePolicy.Expanding)
        self._cont.show()
        sv.addChild(self._cont)

        self._cont.adjustSize()
        self._tabwidget.addTab(sv, _("Content"))

        sv = BackgroundScrollView(self._tabwidget)
        sv.setVScrollBarMode(qt.QScrollView.AlwaysOn)
        sv.setMargin(5)
        sv.show()

        self._change = qt.QLabel(sv.viewport())
        self._change.setAlignment(qt.Qt.AlignTop)
        self._change.setSizePolicy(qt.QSizePolicy.Expanding,qt.QSizePolicy.Expanding)
        self._change.show()
        sv.addChild(self._change)

        self._change.adjustSize()
        self._tabwidget.addTab(sv, _("Changelog"))

        self._relations = QtPackageView(self._tabwidget)
        self._relations.getTreeView().header().hide()
        self._relations.show()

        self._tabwidget.addTab(self._relations, _("Relations"))

        self._urls = qt.QListView(self._tabwidget)
        self._urls.setSizePolicy(qt.QSizePolicy.Expanding,qt.QSizePolicy.Expanding)
        self._urls.setAllColumnsShowFocus(True)
        self._urls.header().hide()
        self._urls.show()
        self._urls.addColumn(_("Channel"))
        self._urls.addColumn(_("Size"))
        self._urls.addColumn(_("URL"))
        
        self._tabwidget.addTab(self._urls, _("URLs"))

        self._tabwidget.adjustSize()
        qt.QObject.connect(self._tabwidget, qt.SIGNAL("currentChanged(QWidget *)"), self._currentChanged)
         
    def _currentChanged(self, widget):
        pagenum = qt.QTabWidget.indexOf(self._tabwidget, widget)
        self.setPackage(self._pkg, pagenum)

    def setChangeSet(self, changeset):
        self._changeset = changeset

    def setPackage(self, pkg, _pagenum=None):

        self._pkg = pkg

        if _pagenum is not None:
            num = _pagenum
        else:
            num = self._tabwidget.currentPageIndex()

        if num == 0:

            # Update general information

            if not pkg:
                self._info.status.setText("")
                self._info.group.setText("")
                self._info.installedsize.setText("")
                self._info.priority.setText("")
                self._info.channels.setText("")
                self._info.reference.setText("")
                return

            group = None
            installedsize = None
            channels = []
            urls = []
            for loader in pkg.loaders:
                info = loader.getInfo(pkg)
                if group is None:
                    group = info.getGroup()
                if installedsize is None:
                    installedsize = info.getInstalledSize()
                channel = loader.getChannel()
                channels.append("%s (%s)" %
                                (channel.getName() or channel.getAlias(),
                                 channel.getAlias()))
                urls.extend(info.getReferenceURLs())

            flags = pkgconf.testAllFlags(pkg)
            if flags:
                flags.sort()
                flags = " (%s)" % ", ".join(flags)
            else:
                flags = ""

            def bold(text):
                return "<b>"+unicode(qt.QStyleSheet.escape(text))+"</b>"

            def link(text, url):
                return "<a href=\""+url+"\">"+unicode(qt.QStyleSheet.escape(text))+"</a>"
            
            status = pkg.installed and _("Installed") or _("Available")
            self._info.status.setText(bold(status+flags))
            self._info.group.setText(bold(group or _("Unknown")))
            self._info.priority.setText(bold(str(pkg.getPriority())))
            self._info.channels.setText(bold("\n".join(channels)))
            links = []
            for url in urls:
                links.append(link(url, url))
            self._info.reference.setText(" ".join(links))

            if installedsize:
                self._info.installedsize.setText(bold(sizeToStr(installedsize)))
                self._info.installedsize.show()
                self._info.installedsize_label.show()
            else:
                self._info.installedsize.hide()
                self._info.installedsize_label.hide()
                pass
                
            self._grid.adjustSize()

        elif num == 1:

            # Update summary/description

            self._descr.setText("")
            if not pkg: return

            #iter = descrbuf.get_end_iter()
            text = ""
            for loader in pkg.loaders:
                info = loader.getInfo(pkg)
                summary = info.getSummary()
                if summary:
                    text += "<b>"+unicode(qt.QStyleSheet.escape(summary))+"</b><br><br>"
                    description = info.getDescription()
                    if description != summary:
                         text += description+"\n\n"
                    break
            else:
                loader = pkg.loaders.keys()[0]

            self._descr.setText(text)

        elif num == 2:

            # Update contents

            self._cont.setText("")
            if not pkg: return

            text = ""
            for loader in pkg.loaders:
                if loader.getInstalled():
                    break
            else:
                loader = pkg.loaders.keys()[0]
            info = loader.getInfo(pkg)
            pathlist = info.getPathList()
            pathlist.sort()
            for path in pathlist:
                text += path+"\n"

            self._cont.setText(text)
            self._cont.adjustSize()

        elif num == 3:
            # Update changelog

            self._change.setText("")
            if not pkg: return

            text = ""
            for loader in pkg.loaders:
                if loader.getInstalled():
                    break
            else:
                loader = pkg.loaders.keys()[0]
            info = loader.getInfo(pkg)
            changelog = info.getChangeLog()

            for i in range(len(changelog)/2):
                text += "<b>"+unicode(qt.QStyleSheet.escape(changelog[2*i]))+"</b><br>"
                changesplit = changelog[2*i+1].split("\n")
                text += unicode(qt.QStyleSheet.escape(changesplit[0]))+"<br>"
                for i in range(1, len(changesplit)):
                   text += "  " + unicode(qt.QStyleSheet.escape(changesplit[i]))+"<br>"

            self._change.setText(text)
            self._change.adjustSize()

        elif num == 4:

            # Update relations

            if not pkg:
                self._relations.setPackages([])
                return

            self._setRelations(pkg)

        elif num == 5:

            # Update URLs

            self._urls.clear()

            if not pkg:
                return

            items = []
            for loader in pkg.loaders:
                channel = loader.getChannel()
                alias = channel.getAlias()
                info = loader.getInfo(pkg)
                for url in info.getURLs():
                    items.append((alias, sizeToStr(info.getSize(url)), url))

            items.sort()

            lastitem = None
            for item in items:
                if item != lastitem:
                    lastitem = item
                    listitem = qt.QListViewItem(self._urls)
                    listitem.setText(0, item[0])
                    listitem.setText(1, item[1])
                    listitem.setText(2, item[2])

    def _setRelations(self, pkg):

        class Sorter(unicode):
            ORDER = [_("Provides"), _("Upgrades"),
                     _("Requires"), _("Conflicts")]
            def __cmp__(self, other):
                return cmp(self.ORDER.index(unicode(self)),
                           self.ORDER.index(unicode(other)))
            def __lt__(self, other):
                return cmp(self, other) < 0

        relations = {}

        for prv in pkg.provides:

            prvmap = {}
            
            requiredby = []
            for req in prv.requiredby:
                requiredby.extend(req.packages)
            if requiredby:
                prvmap[_("Required By")] = requiredby

            upgradedby = []
            for upg in prv.upgradedby:
                upgradedby.extend(upg.packages)
            if upgradedby:
                prvmap[_("Upgraded By")] = upgradedby

            conflictedby = []
            for cnf in prv.conflictedby:
                conflictedby.extend(cnf.packages)
            if conflictedby:
                prvmap[_("Conflicted By")] = conflictedby

            if prvmap:
                relations.setdefault(Sorter(_("Provides")), {})[str(prv)] = \
                                                                        prvmap

        requires = {}
        for req in pkg.requires:
            lst = requires.setdefault(str(req), [])
            for prv in req.providedby:
                lst.extend(prv.packages)
            lst[:] = dict.fromkeys(lst).keys()
        if requires:
            relations[Sorter(_("Requires"))] = requires

        upgrades = {}
        for upg in pkg.upgrades:
            lst = upgrades.setdefault(str(upg), [])
            for prv in upg.providedby:
                lst.extend(prv.packages)
            lst[:] = dict.fromkeys(lst).keys()
        if upgrades:
            relations[Sorter(_("Upgrades"))] = upgrades

        conflicts = {}
        for cnf in pkg.conflicts:
            lst = conflicts.setdefault(str(cnf), [])
            for prv in cnf.providedby:
                lst.extend(prv.packages)
            lst[:] = dict.fromkeys(lst).keys()
        if conflicts:
            relations[Sorter(_("Conflicts"))] = conflicts

        self._relations.setPackages(relations, self._changeset)
コード例 #3
0
class QtChanges(qt.QDialog):
    def __init__(self, parent=None):
        qt.QDialog.__init__(self, parent)

        self.setIcon(getPixmap("smart"))
        self.setCaption(_("Change Summary"))
        self.setModal(True)
        self.setMinimumSize(600, 400)
        centerWindow(self)

        self._vbox = qt.QVBoxLayout(self)
        self._vbox.setMargin(10)
        self._vbox.setSpacing(10)

        self._label = qt.QLabel(self)
        self._vbox.addWidget(self._label)

        self._pv = QtPackageView(self)
        self._pv.getTreeView().header().hide()
        self._pv.setExpandPackage(True)
        self._pv.show()
        self._vbox.addWidget(self._pv)

        self._sizelabel = qt.QLabel("", self)
        self._vbox.addWidget(self._sizelabel)

        self._confirmbbox = qt.QHBox(self)
        self._confirmbbox.setSpacing(10)
        self._confirmbbox.layout().addStretch(1)
        self._vbox.addWidget(self._confirmbbox)

        self._cancelbutton = qt.QPushButton(_("Cancel"), self._confirmbbox)
        qt.QObject.connect(self._cancelbutton, qt.SIGNAL("clicked()"), self,
                           qt.SLOT("reject()"))
        self._okbutton = qt.QPushButton(_("OK"), self._confirmbbox)
        qt.QObject.connect(self._okbutton, qt.SIGNAL("clicked()"), self,
                           qt.SLOT("accept()"))

        self._closebbox = qt.QHBox(self)
        self._closebbox.setSpacing(10)
        self._closebbox.layout().addStretch(1)
        self._vbox.addWidget(self._closebbox)

        self._closebutton = qt.QPushButton(_("Close"), self._closebbox)
        qt.QObject.connect(self._closebutton, qt.SIGNAL("clicked()"), self,
                           qt.SLOT("close()"))

    def showChangeSet(self, changeset, keep=None, confirm=False, label=None):

        report = Report(changeset)
        report.compute()

        class Sorter(unicode):
            ORDER = [
                _("Remove"),
                _("Downgrade"),
                _("Reinstall"),
                _("Install"),
                _("Upgrade")
            ]

            def _index(self, s):
                i = 0
                for os in self.ORDER:
                    if os.startswith(s):
                        return i
                    i += 1
                return i

            def __cmp__(self, other):
                return cmp(self._index(unicode(self)),
                           self._index(unicode(other)))

            def __lt__(self, other):
                return cmp(self, other) < 0

        packages = {}

        if report.install:
            install = {}
            reinstall = {}
            upgrade = {}
            downgrade = {}
            lst = report.install.keys()
            lst.sort()
            for pkg in lst:
                package = {}
                done = {}
                if pkg in report.upgrading:
                    for upgpkg in report.upgrading[pkg]:
                        package.setdefault(_("Upgrades"), []).append(upgpkg)
                        done[upgpkg] = True
                if pkg in report.downgrading:
                    for dwnpkg in report.downgrading[pkg]:
                        package.setdefault(_("Downgrades"), []).append(dwnpkg)
                        done[dwnpkg] = True
                if pkg in report.requires:
                    for reqpkg in report.requires[pkg]:
                        package.setdefault(_("Requires"), []).append(reqpkg)
                if pkg in report.requiredby:
                    for reqpkg in report.requiredby[pkg]:
                        package.setdefault(_("Required By"), []).append(reqpkg)
                if pkg in report.conflicts:
                    for cnfpkg in report.conflicts[pkg]:
                        if cnfpkg in done:
                            continue
                        package.setdefault(_("Conflicts"), []).append(cnfpkg)
                if pkg.installed:
                    reinstall[pkg] = package
                elif pkg in report.upgrading:
                    upgrade[pkg] = package
                elif pkg in report.downgrading:
                    downgrade[pkg] = package
                else:
                    install[pkg] = package
            if reinstall:
                packages[Sorter(_("Reinstall (%d)") % len(reinstall))] = \
                                                                    reinstall
            if install:
                packages[Sorter(_("Install (%d)") % len(install))] = install
            if upgrade:
                packages[Sorter(_("Upgrade (%d)") % len(upgrade))] = upgrade
            if downgrade:
                packages[Sorter(_("Downgrade (%d)") % len(downgrade))] = \
                                                                    downgrade

        if report.removed:
            remove = {}
            lst = report.removed.keys()
            lst.sort()
            for pkg in lst:
                package = {}
                done = {}
                if pkg in report.requires:
                    for reqpkg in report.requires[pkg]:
                        package.setdefault(_("Requires"), []).append(reqpkg)
                if pkg in report.requiredby:
                    for reqpkg in report.requiredby[pkg]:
                        package.setdefault(_("Required By"), []).append(reqpkg)
                if pkg in report.conflicts:
                    for cnfpkg in report.conflicts[pkg]:
                        if cnfpkg in done:
                            continue
                        package.setdefault(_("Conflicts"), []).append(cnfpkg)
                remove[pkg] = package
            if remove:
                packages[Sorter(_("Remove (%d)") % len(report.removed))] = \
                                                                        remove

        if keep:
            packages[Sorter(_("Keep (%d)") % len(keep))] = keep

        dsize = report.getDownloadSize()
        size = report.getInstallSize() - report.getRemoveSize()
        sizestr = ""
        if dsize:
            sizestr += _("%s of package files are needed. ") % sizeToStr(dsize)
        if size > 0:
            sizestr += _("%s will be used.") % sizeToStr(size)
        elif size < 0:
            size *= -1
            sizestr += _("%s will be freed.") % sizeToStr(size)
        if dsize or size:
            self._sizelabel.setText(sizestr)
            self._sizelabel.show()
        else:
            self._sizelabel.hide()

        if confirm:
            self._confirmbbox.show()
            self._closebbox.hide()
            self._okbutton.setDefault(True)
        else:
            self._closebbox.show()
            self._confirmbbox.hide()
            self._closebutton.setDefault(True)

        if label:
            self._label.set_text(label)
            self._label.show()
        else:
            self._label.hide()

        self._pv.setPackages(packages, changeset)

        # Expand first level
        self._pv.setExpanded([(x, ) for x in packages])

        self._result = False
        self.show()
        dialogResult = self.exec_loop()
        self._result = (dialogResult == qt.QDialog.Accepted)

        return self._result
コード例 #4
0
class QtPackageInfo(qt.QTabWidget):
    def __init__(self, parent):
        qt.QTabWidget.__init__(self, parent)

        self._pkg = None
        self._changeset = None

        self._tabwidget = self
        self._tabwidget.show()

        sv = BackgroundScrollView(self._tabwidget)
        sv.setMargin(5)
        sv.show()

        grid = qt.QGrid(2, sv.viewport())
        grid.setSpacing(5)
        grid.setMargin(5)
        grid.show()
        sv.addChild(grid)

        self._info = type("Info", (), {})()

        row = 1
        for attr, text in [("status", _("Status:")),
                           ("priority", _("Priority:")),
                           ("group", _("Group:")),
                           ("installedsize", _("Installed Size:")),
                           ("channels", _("Channels:")),
                           ("reference", _("Reference URLs:"))]:
            label = qt.QLabel(text, grid)
            label.show()
            setattr(self._info, attr + "_label", label)
            label = qt.QLabel("", grid)
            label.show()
            setattr(self._info, attr, label)
            row += 1

        self._grid = grid

        self._grid.adjustSize()
        self._tabwidget.addTab(sv, _("General"))

        sv = BackgroundScrollView(self._tabwidget)
        sv.setMargin(5)
        sv.show()

        self._descr = qt.QLabel(sv.viewport())
        self._descr.setAlignment(qt.Qt.AlignTop)
        self._descr.show()
        sv.addChild(self._descr)

        self._descr.adjustSize()
        self._tabwidget.addTab(sv, _("Description"))

        sv = BackgroundScrollView(self._tabwidget)
        sv.setVScrollBarMode(qt.QScrollView.AlwaysOn)
        sv.setMargin(5)
        sv.show()

        self._cont = qt.QLabel(sv.viewport())
        self._cont.setAlignment(qt.Qt.AlignTop)
        self._cont.setSizePolicy(qt.QSizePolicy.Expanding,
                                 qt.QSizePolicy.Expanding)
        self._cont.show()
        sv.addChild(self._cont)

        self._cont.adjustSize()
        self._tabwidget.addTab(sv, _("Content"))

        sv = BackgroundScrollView(self._tabwidget)
        sv.setVScrollBarMode(qt.QScrollView.AlwaysOn)
        sv.setMargin(5)
        sv.show()

        self._change = qt.QLabel(sv.viewport())
        self._change.setAlignment(qt.Qt.AlignTop)
        self._change.setSizePolicy(qt.QSizePolicy.Expanding,
                                   qt.QSizePolicy.Expanding)
        self._change.show()
        sv.addChild(self._change)

        self._change.adjustSize()
        self._tabwidget.addTab(sv, _("Changelog"))

        self._relations = QtPackageView(self._tabwidget)
        self._relations.getTreeView().header().hide()
        self._relations.show()

        self._tabwidget.addTab(self._relations, _("Relations"))

        self._urls = qt.QListView(self._tabwidget)
        self._urls.setSizePolicy(qt.QSizePolicy.Expanding,
                                 qt.QSizePolicy.Expanding)
        self._urls.setAllColumnsShowFocus(True)
        self._urls.header().hide()
        self._urls.show()
        self._urls.addColumn(_("Channel"))
        self._urls.addColumn(_("Size"))
        self._urls.addColumn(_("URL"))

        self._tabwidget.addTab(self._urls, _("URLs"))

        self._tabwidget.adjustSize()
        qt.QObject.connect(self._tabwidget,
                           qt.SIGNAL("currentChanged(QWidget *)"),
                           self._currentChanged)

    def _currentChanged(self, widget):
        pagenum = qt.QTabWidget.indexOf(self._tabwidget, widget)
        self.setPackage(self._pkg, pagenum)

    def setChangeSet(self, changeset):
        self._changeset = changeset

    def setPackage(self, pkg, _pagenum=None):

        self._pkg = pkg

        if _pagenum is not None:
            num = _pagenum
        else:
            num = self._tabwidget.currentPageIndex()

        if num == 0:

            # Update general information

            if not pkg:
                self._info.status.setText("")
                self._info.group.setText("")
                self._info.installedsize.setText("")
                self._info.priority.setText("")
                self._info.channels.setText("")
                self._info.reference.setText("")
                return

            group = None
            installedsize = None
            channels = []
            urls = []
            for loader in pkg.loaders:
                info = loader.getInfo(pkg)
                if group is None:
                    group = info.getGroup()
                if installedsize is None:
                    installedsize = info.getInstalledSize()
                channel = loader.getChannel()
                channels.append("%s (%s)" %
                                (channel.getName()
                                 or channel.getAlias(), channel.getAlias()))
                urls.extend(info.getReferenceURLs())

            flags = pkgconf.testAllFlags(pkg)
            if flags:
                flags.sort()
                flags = " (%s)" % ", ".join(flags)
            else:
                flags = ""

            def bold(text):
                return "<b>" + unicode(qt.QStyleSheet.escape(text)) + "</b>"

            def link(text, url):
                return "<a href=\"" + url + "\">" + unicode(
                    qt.QStyleSheet.escape(text)) + "</a>"

            status = pkg.installed and _("Installed") or _("Available")
            self._info.status.setText(bold(status + flags))
            self._info.group.setText(bold(group or _("Unknown")))
            self._info.priority.setText(bold(str(pkg.getPriority())))
            self._info.channels.setText(bold("\n".join(channels)))
            links = []
            for url in urls:
                links.append(link(url, url))
            self._info.reference.setText(" ".join(links))

            if installedsize:
                self._info.installedsize.setText(bold(
                    sizeToStr(installedsize)))
                self._info.installedsize.show()
                self._info.installedsize_label.show()
            else:
                self._info.installedsize.hide()
                self._info.installedsize_label.hide()
                pass

            self._grid.adjustSize()

        elif num == 1:

            # Update summary/description

            self._descr.setText("")
            if not pkg: return

            #iter = descrbuf.get_end_iter()
            text = ""
            for loader in pkg.loaders:
                info = loader.getInfo(pkg)
                summary = info.getSummary()
                if summary:
                    text += "<b>" + unicode(
                        qt.QStyleSheet.escape(summary)) + "</b><br><br>"
                    description = info.getDescription()
                    if description != summary:
                        text += description + "\n\n"
                    break
            else:
                loader = pkg.loaders.keys()[0]

            self._descr.setText(text)

        elif num == 2:

            # Update contents

            self._cont.setText("")
            if not pkg: return

            text = ""
            for loader in pkg.loaders:
                if loader.getInstalled():
                    break
            else:
                loader = pkg.loaders.keys()[0]
            info = loader.getInfo(pkg)
            pathlist = info.getPathList()
            pathlist.sort()
            for path in pathlist:
                text += path + "\n"

            self._cont.setText(text)
            self._cont.adjustSize()

        elif num == 3:
            # Update changelog

            self._change.setText("")
            if not pkg: return

            text = ""
            for loader in pkg.loaders:
                if loader.getInstalled():
                    break
            else:
                loader = pkg.loaders.keys()[0]
            info = loader.getInfo(pkg)
            changelog = info.getChangeLog()

            for i in range(len(changelog) / 2):
                text += "<b>" + unicode(qt.QStyleSheet.escape(
                    changelog[2 * i])) + "</b><br>"
                changesplit = changelog[2 * i + 1].split("\n")
                text += unicode(qt.QStyleSheet.escape(changesplit[0])) + "<br>"
                for i in range(1, len(changesplit)):
                    text += "  " + unicode(
                        qt.QStyleSheet.escape(changesplit[i])) + "<br>"

            self._change.setText(text)
            self._change.adjustSize()

        elif num == 4:

            # Update relations

            if not pkg:
                self._relations.setPackages([])
                return

            self._setRelations(pkg)

        elif num == 5:

            # Update URLs

            self._urls.clear()

            if not pkg:
                return

            items = []
            for loader in pkg.loaders:
                channel = loader.getChannel()
                alias = channel.getAlias()
                info = loader.getInfo(pkg)
                for url in info.getURLs():
                    items.append((alias, sizeToStr(info.getSize(url)), url))

            items.sort()

            lastitem = None
            for item in items:
                if item != lastitem:
                    lastitem = item
                    listitem = qt.QListViewItem(self._urls)
                    listitem.setText(0, item[0])
                    listitem.setText(1, item[1])
                    listitem.setText(2, item[2])

    def _setRelations(self, pkg):
        class Sorter(unicode):
            ORDER = [
                _("Provides"),
                _("Upgrades"),
                _("Requires"),
                _("Conflicts")
            ]

            def __cmp__(self, other):
                return cmp(self.ORDER.index(unicode(self)),
                           self.ORDER.index(unicode(other)))

            def __lt__(self, other):
                return cmp(self, other) < 0

        relations = {}

        for prv in pkg.provides:

            prvmap = {}

            requiredby = []
            for req in prv.requiredby:
                requiredby.extend(req.packages)
            if requiredby:
                prvmap[_("Required By")] = requiredby

            upgradedby = []
            for upg in prv.upgradedby:
                upgradedby.extend(upg.packages)
            if upgradedby:
                prvmap[_("Upgraded By")] = upgradedby

            conflictedby = []
            for cnf in prv.conflictedby:
                conflictedby.extend(cnf.packages)
            if conflictedby:
                prvmap[_("Conflicted By")] = conflictedby

            if prvmap:
                relations.setdefault(Sorter(_("Provides")), {})[str(prv)] = \
                                                                        prvmap

        requires = {}
        for req in pkg.requires:
            lst = requires.setdefault(str(req), [])
            for prv in req.providedby:
                lst.extend(prv.packages)
            lst[:] = dict.fromkeys(lst).keys()
        if requires:
            relations[Sorter(_("Requires"))] = requires

        upgrades = {}
        for upg in pkg.upgrades:
            lst = upgrades.setdefault(str(upg), [])
            for prv in upg.providedby:
                lst.extend(prv.packages)
            lst[:] = dict.fromkeys(lst).keys()
        if upgrades:
            relations[Sorter(_("Upgrades"))] = upgrades

        conflicts = {}
        for cnf in pkg.conflicts:
            lst = conflicts.setdefault(str(cnf), [])
            for prv in cnf.providedby:
                lst.extend(prv.packages)
            lst[:] = dict.fromkeys(lst).keys()
        if conflicts:
            relations[Sorter(_("Conflicts"))] = conflicts

        self._relations.setPackages(relations, self._changeset)