Python Qt.QTextBrowser类代码示例

class ViewLog(QDialog):

    def __init__(self, title, html, parent=None):
        QDialog.__init__(self, parent)
        self.l = l = QVBoxLayout()
        self.setLayout(l)

        self.tb = QTextBrowser(self)
        QApplication.setOverrideCursor(Qt.WaitCursor)
        # Rather than formatting the text in <pre> blocks like the calibre
        # ViewLog does, instead just format it inside divs to keep style formatting
        html = html.replace('\t','&nbsp;&nbsp;&nbsp;&nbsp;')
        html = html.replace('> ','>&nbsp;')
        self.tb.setHtml('<div>{0}</div>'.format(html))
        QApplication.restoreOverrideCursor()
        l.addWidget(self.tb)

        self.bb = QDialogButtonBox(QDialogButtonBox.Ok)
        self.bb.accepted.connect(self.accept)
        self.bb.rejected.connect(self.reject)
        self.copy_button = self.bb.addButton(_('Copy to clipboard'),
                self.bb.ActionRole)
        self.copy_button.setIcon(QIcon(I('edit-copy.png')))
        self.copy_button.clicked.connect(self.copy_to_clipboard)
        l.addWidget(self.bb)
        self.setModal(False)
        self.resize(QSize(700, 500))
        self.setWindowTitle(title)
        self.setWindowIcon(QIcon(I('debug.png')))
        self.show()

    def copy_to_clipboard(self):
        txt = self.tb.toPlainText()
        QApplication.clipboard().setText(txt)

class ViewLog(QDialog):  # {{{

    def __init__(self, title, html, parent=None):
        QDialog.__init__(self, parent)
        self.l = l = QVBoxLayout()
        self.setLayout(l)

        self.tb = QTextBrowser(self)
        self.tb.setHtml('<pre style="font-family: monospace">%s</pre>' % html)
        l.addWidget(self.tb)

        self.bb = QDialogButtonBox(QDialogButtonBox.Ok)
        self.bb.accepted.connect(self.accept)
        self.bb.rejected.connect(self.reject)
        self.copy_button = self.bb.addButton(_('Copy to clipboard'),
                self.bb.ActionRole)
        self.copy_button.setIcon(QIcon(I('edit-copy.png')))
        self.copy_button.clicked.connect(self.copy_to_clipboard)
        l.addWidget(self.bb)
        self.setModal(False)
        self.resize(QSize(700, 500))
        self.setWindowTitle(title)
        self.setWindowIcon(QIcon(I('debug.png')))
        self.show()

    def copy_to_clipboard(self):
        txt = self.tb.toPlainText()
        QApplication.clipboard().setText(txt)

    def __init__(self, *args):
        QTextBrowser.__init__(self, *args)

        self.setStyleSheet("background:white;color:black;")

        try:
            self.setText(codecs.open(self.loadFile(), "r", "UTF-8").read())
        except Exception, msg:
            ctx.logger.error(_(msg))

    def __init__(self, log, parent=None):
        QDialog.__init__(self, parent)
        self.log = log
        self.l = l = QVBoxLayout()
        self.setLayout(l)

        self.tb = QTextBrowser(self)
        l.addWidget(self.tb)

        self.bb = QDialogButtonBox(QDialogButtonBox.Close)
        l.addWidget(self.bb)
        self.copy_button = self.bb.addButton(_('Copy to clipboard'),
                self.bb.ActionRole)
        self.copy_button.clicked.connect(self.copy_to_clipboard)
        self.copy_button.setIcon(QIcon(I('edit-copy.png')))
        self.bb.rejected.connect(self.reject)
        self.bb.accepted.connect(self.accept)

        self.setWindowTitle(_('Download log'))
        self.setWindowIcon(QIcon(I('debug.png')))
        self.resize(QSize(800, 400))

        self.keep_updating = True
        self.last_html = None
        self.finished.connect(self.stop)
        QTimer.singleShot(100, self.update_log)

        self.show()

    def __init__(self, title, html, parent=None, unique_name=None):
        QDialog.__init__(self, parent)
        self.l = l = QVBoxLayout()
        self.setLayout(l)

        self.tb = QTextBrowser(self)
        self.tb.setHtml('<pre style="font-family: monospace">%s</pre>' % html)
        l.addWidget(self.tb)

        self.bb = QDialogButtonBox(QDialogButtonBox.Ok)
        self.bb.accepted.connect(self.accept)
        self.bb.rejected.connect(self.reject)
        self.copy_button = self.bb.addButton(_('Copy to clipboard'),
                self.bb.ActionRole)
        self.copy_button.setIcon(QIcon(I('edit-copy.png')))
        self.copy_button.clicked.connect(self.copy_to_clipboard)
        l.addWidget(self.bb)

        self.unique_name = unique_name or 'view-log-dialog'
        self.finished.connect(self.dialog_closing)
        self.resize(QSize(700, 500))
        geom = gprefs.get(self.unique_name, None)
        if geom is not None:
            self.restoreGeometry(geom)

        self.setModal(False)
        self.setWindowTitle(title)
        self.setWindowIcon(QIcon(I('debug.png')))
        self.show()

    def setup_ui(self):
        self.pb = pb = QProgressBar(self)
        pb.setTextVisible(True)
        pb.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
        pb.setRange(0, 0)
        self.w = w = QWidget(self)
        self.w.l = l = QVBoxLayout(w)
        l.addStretch(), l.addWidget(pb)
        self.w.la = la = QLabel(_('Checking external links, please wait...'))
        la.setStyleSheet('QLabel { font-size: 20px; font-weight: bold }')
        l.addWidget(la, 0, Qt.AlignCenter), l.addStretch()

        self.l = l = QVBoxLayout(self)
        self.results = QTextBrowser(self)
        self.results.setOpenLinks(False)
        self.results.anchorClicked.connect(self.anchor_clicked)
        self.stack = s = QStackedWidget(self)
        s.addWidget(w), s.addWidget(self.results)
        l.addWidget(s)
        self.bh = h = QHBoxLayout()
        self.check_anchors = ca = QCheckBox(_('Check &anchors'))
        ca.setToolTip(_('Check HTML anchors in links (the part after the #).\n'
            ' This can be a little slow, since it requires downloading and parsing all the HTML pages.'))
        ca.setChecked(tprefs.get('check_external_link_anchors', True))
        ca.stateChanged.connect(self.anchors_changed)
        h.addWidget(ca), h.addStretch(100), h.addWidget(self.bb)
        l.addLayout(h)
        self.bb.setStandardButtons(self.bb.Close)
        self.rb = b = self.bb.addButton(_('&Refresh'), self.bb.ActionRole)
        b.setIcon(QIcon(I('view-refresh.png')))
        b.clicked.connect(self.refresh)

class LogViewer(QDialog):  # {{{

    def __init__(self, log, parent=None):
        QDialog.__init__(self, parent)
        self.log = log
        self.l = l = QVBoxLayout()
        self.setLayout(l)

        self.tb = QTextBrowser(self)
        l.addWidget(self.tb)

        self.bb = QDialogButtonBox(QDialogButtonBox.Close)
        l.addWidget(self.bb)
        self.copy_button = self.bb.addButton(_('Copy to clipboard'),
                self.bb.ActionRole)
        self.copy_button.clicked.connect(self.copy_to_clipboard)
        self.copy_button.setIcon(QIcon(I('edit-copy.png')))
        self.bb.rejected.connect(self.reject)
        self.bb.accepted.connect(self.accept)

        self.setWindowTitle(_('Download log'))
        self.setWindowIcon(QIcon(I('debug.png')))
        self.resize(QSize(800, 400))

        self.keep_updating = True
        self.last_html = None
        self.finished.connect(self.stop)
        QTimer.singleShot(100, self.update_log)

        self.show()

    def copy_to_clipboard(self):
        QApplication.clipboard().setText(''.join(self.log.plain_text))

    def stop(self, *args):
        self.keep_updating = False

    def update_log(self):
        if not self.keep_updating:
            return
        html = self.log.html
        if html != self.last_html:
            self.last_html = html
            self.tb.setHtml('<pre style="font-family:monospace">%s</pre>'%html)
        QTimer.singleShot(1000, self.update_log)

class ViewSample(SizePersistedDialog):

    def __init__(self, title, html, parent=None):
        SizePersistedDialog.__init__(self, parent, 'epubsplit:view sample')
        self.l = l = QVBoxLayout()
        self.setLayout(l)

        self.tb = QTextBrowser(self)
        self.tb.setHtml(html)
        l.addWidget(self.tb)

        self.bb = QDialogButtonBox(QDialogButtonBox.Ok)
        self.bb.accepted.connect(self.accept)
        self.bb.rejected.connect(self.reject)
        l.addWidget(self.bb)
        self.setModal(False)
        self.setWindowTitle(title)
        self.setWindowIcon(get_icon('format-justify-fill.png'))

        # Cause our dialog size to be restored from prefs or created on first usage
        self.resize_dialog()
        self.show()

    def __init__(self, mi, parent=None):
        QTextBrowser.__init__(self, parent)
        series = ''
        fm = field_metadata
        if mi.series:
            series = _('{num} of {series}').format(num=mi.format_series_index(), series='<i>%s</i>' % mi.series)
        self.setHtml('''
<h3 style="text-align:center">{mb}</h3>
<p><b>{title}</b> - <i>{authors}</i><br></p>
<table>
<tr><td>{fm[timestamp][name]}:</td><td>{date}</td></tr>
<tr><td>{fm[pubdate][name]}:</td><td>{published}</td></tr>
<tr><td>{fm[formats][name]}:</td><td>{formats}</td></tr>
<tr><td>{fm[series][name]}:</td><td>{series}</td></tr>
</table>
        '''.format(
            mb=_('Target book'),
            title=mi.title,
            authors=authors_to_string(mi.authors),
            date=format_date(mi.timestamp, tweaks['gui_timestamp_display_format']), fm=fm,
            published=(format_date(mi.pubdate, tweaks['gui_pubdate_display_format']) if mi.pubdate else ''),
            formats=', '.join(mi.formats or ()),
            series=series
        ))

    def setup_ui(self):
        self.pb = pb = QProgressBar(self)
        pb.setTextVisible(True)
        pb.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
        pb.setRange(0, 0)
        self.w = w = QWidget(self)
        self.w.l = l = QVBoxLayout(w)
        l.addStretch(), l.addWidget(pb)
        self.w.la = la = QLabel(_('Checking external links, please wait...'))
        la.setStyleSheet('QLabel { font-size: 20px; font-weight: bold }')
        l.addWidget(la, 0, Qt.AlignCenter), l.addStretch()

        self.l = l = QVBoxLayout(self)
        self.results = QTextBrowser(self)
        self.results.setOpenLinks(False)
        self.results.anchorClicked.connect(self.anchor_clicked)
        self.stack = s = QStackedWidget(self)
        s.addWidget(w), s.addWidget(self.results)
        l.addWidget(s)
        l.addWidget(self.bb)
        self.bb.setStandardButtons(self.bb.Close)
        self.rb = b = self.bb.addButton(_('&Refresh'), self.bb.ActionRole)
        b.setIcon(QIcon(I('view-refresh.png')))
        b.clicked.connect(self.refresh)

class CheckExternalLinks(Dialog):

    progress_made = pyqtSignal(object, object)

    def __init__(self, parent=None):
        Dialog.__init__(self, _('Check external links'), 'check-external-links-dialog', parent)
        self.progress_made.connect(self.on_progress_made, type=Qt.QueuedConnection)

    def show(self):
        if self.rb.isEnabled():
            self.refresh()
        return Dialog.show(self)

    def refresh(self):
        self.stack.setCurrentIndex(0)
        self.rb.setEnabled(False)
        t = Thread(name='CheckLinksMaster', target=self.run)
        t.daemon = True
        t.start()

    def setup_ui(self):
        self.pb = pb = QProgressBar(self)
        pb.setTextVisible(True)
        pb.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
        pb.setRange(0, 0)
        self.w = w = QWidget(self)
        self.w.l = l = QVBoxLayout(w)
        l.addStretch(), l.addWidget(pb)
        self.w.la = la = QLabel(_('Checking external links, please wait...'))
        la.setStyleSheet('QLabel { font-size: 20px; font-weight: bold }')
        l.addWidget(la, 0, Qt.AlignCenter), l.addStretch()

        self.l = l = QVBoxLayout(self)
        self.results = QTextBrowser(self)
        self.results.setOpenLinks(False)
        self.results.anchorClicked.connect(self.anchor_clicked)
        self.stack = s = QStackedWidget(self)
        s.addWidget(w), s.addWidget(self.results)
        l.addWidget(s)
        self.bh = h = QHBoxLayout()
        self.check_anchors = ca = QCheckBox(_('Check &anchors'))
        ca.setToolTip(_('Check HTML anchors in links (the part after the #).\n'
            ' This can be a little slow, since it requires downloading and parsing all the HTML pages.'))
        ca.setChecked(tprefs.get('check_external_link_anchors', True))
        ca.stateChanged.connect(self.anchors_changed)
        h.addWidget(ca), h.addStretch(100), h.addWidget(self.bb)
        l.addLayout(h)
        self.bb.setStandardButtons(self.bb.Close)
        self.rb = b = self.bb.addButton(_('&Refresh'), self.bb.ActionRole)
        b.setIcon(QIcon(I('view-refresh.png')))
        b.clicked.connect(self.refresh)

    def anchors_changed(self):
        tprefs.set('check_external_link_anchors', self.check_anchors.isChecked())

    def sizeHint(self):
        ans = Dialog.sizeHint(self)
        ans.setHeight(600)
        ans.setWidth(max(ans.width(), 800))
        return ans

    def run(self):
        from calibre.ebooks.oeb.polish.check.links import check_external_links
        self.tb = None
        self.errors = []
        try:
            self.errors = check_external_links(current_container(), self.progress_made.emit, check_anchors=self.check_anchors.isChecked())
        except Exception:
            import traceback
            self.tb = traceback.format_exc()
        self.progress_made.emit(None, None)

    def on_progress_made(self, curr, total):
        if curr is None:
            self.results.setText('')
            self.stack.setCurrentIndex(1)
            self.fixed_errors = set()
            self.rb.setEnabled(True)
            if self.tb is not None:
                return error_dialog(self, _('Checking failed'), _(
                    'There was an error while checking links, click "Show details" for more information'),
                             det_msg=self.tb, show=True)
            if not self.errors:
                self.results.setText(_('No broken links found'))
            else:
                self.populate_results()
        else:
            self.pb.setMaximum(total), self.pb.setValue(curr)

    def populate_results(self, preserve_pos=False):
        num = len(self.errors) - len(self.fixed_errors)
        text = '<h3>%s</h3><ol>' % (ngettext(
            'Found a broken link', 'Found {} broken links', num).format(num))
        for i, (locations, err, url) in enumerate(self.errors):
            if i in self.fixed_errors:
                continue
            text += '<li><b>%s</b> \xa0<a href="err:%d">[%s]</a><br>%s<br><ul>' % (url, i, _('Fix this link'), err)
            for name, href, lnum, col in locations:
                text += '<li>{name} \xa0<a href="loc:{lnum},{name}">[{line}: {lnum}]</a></li>'.format(
                    name=name, lnum=lnum, line=_('line number'))
#.........这里部分代码省略.........