Python ServiceItem.is_media方法代码示例

# 需要导入模块: from openlp.core.lib import ServiceItem [as 别名]
# 或者: from openlp.core.lib.ServiceItem import is_media [as 别名]
class ListPreviewWidget(QtGui.QTableWidget):
    def __init__(self, parent, screen_ratio):
        """
        Initializes the widget to default state.
        An empty ServiceItem is used per default.
        One needs to call replace_service_manager_item() to make this widget display something.
        """
        super(QtGui.QTableWidget, self).__init__(parent)
        # Set up the widget.
        self.setColumnCount(1)
        self.horizontalHeader().setVisible(False)
        self.setColumnWidth(0, parent.width())
        self.setSelectionBehavior(QtGui.QAbstractItemView.SelectRows)
        self.setSelectionMode(QtGui.QAbstractItemView.SingleSelection)
        self.setEditTriggers(QtGui.QAbstractItemView.NoEditTriggers)
        self.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
        self.setAlternatingRowColors(True)
        # Initialize variables.
        self.service_item = ServiceItem()
        self.screen_ratio = screen_ratio

    def resizeEvent(self, QResizeEvent):
        """
        Overloaded method from QTableWidget. Will recalculate the layout.
        """
        self.__recalculate_layout()

    def __recalculate_layout(self):
        """
        Recalculates the layout of the table widget. It will set height and width
        of the table cells. QTableWidget does not adapt the cells to the widget size on its own.
        """
        self.setColumnWidth(0, self.viewport().width())
        if self.service_item:
            # Sort out songs, bibles, etc.
            if self.service_item.is_text():
                self.resizeRowsToContents()
            else:
                # Sort out image heights.
                for framenumber in range(len(self.service_item.get_frames())):
                    height = self.viewport().width() // self.screen_ratio
                    self.setRowHeight(framenumber, height)

    def screen_size_changed(self, screen_ratio):
        """
        To be called whenever the live screen size changes.
        Because this makes a layout recalculation necessary.
        """
        self.screen_ratio = screen_ratio
        self.__recalculate_layout()

    def replace_service_item(self, service_item, width, slideNumber):
        """
        Replaces the current preview items with the ones in service_item.
        Displays the given slide.
        """
        self.service_item = service_item
        self.clear()
        self.setRowCount(0)
        self.setColumnWidth(0, width)
        row = 0
        text = []
        for framenumber, frame in enumerate(self.service_item.get_frames()):
            self.setRowCount(self.slide_count() + 1)
            item = QtGui.QTableWidgetItem()
            slide_height = 0
            if self.service_item.is_text():
                if frame['verseTag']:
                    # These tags are already translated.
                    verse_def = frame['verseTag']
                    verse_def = '%s%s' % (verse_def[0], verse_def[1:])
                    two_line_def = '%s\n%s' % (verse_def[0], verse_def[1:])
                    row = two_line_def
                else:
                    row += 1
                item.setText(frame['text'])
            else:
                label = QtGui.QLabel()
                label.setMargin(4)
                if self.service_item.is_media():
                    label.setAlignment(QtCore.Qt.AlignHCenter | QtCore.Qt.AlignVCenter)
                else:
                    label.setScaledContents(True)
                if self.service_item.is_command():
                    label.setPixmap(QtGui.QPixmap(frame['image']))
                else:
                    image = self.image_manager.get_image(frame['path'], ImageSource.ImagePlugin)
                    label.setPixmap(QtGui.QPixmap.fromImage(image))
                self.setCellWidget(framenumber, 0, label)
                slide_height = width // self.screen_ratio
                row += 1
            text.append(str(row))
            self.setItem(framenumber, 0, item)
            if slide_height:
                self.setRowHeight(framenumber, slide_height)
        self.setVerticalHeaderLabels(text)
        if self.service_item.is_text():
            self.resizeRowsToContents()
        self.setColumnWidth(0, self.viewport().width())
        self.setFocus()
#.........这里部分代码省略.........

# 需要导入模块: from openlp.core.lib import ServiceItem [as 别名]
# 或者: from openlp.core.lib.ServiceItem import is_media [as 别名]

#.........这里部分代码省略.........
        self.__recalculate_layout()

    def replace_service_item(self, service_item, width, slide_number):
        """
        Replace the current preview items with the ones in service_item and display the given slide

        :param service_item: The service item to insert
        :param width: The width of the column
        :param slide_number: The slide number to pre-select
        """
        self.service_item = service_item
        self.setRowCount(0)
        self.clear()
        self.setColumnWidth(0, width)
        row = 0
        text = []
        for frame_number, frame in enumerate(self.service_item.get_frames()):
            self.setRowCount(self.slide_count() + 1)
            item = QtWidgets.QTableWidgetItem()
            slide_height = 0
            if self.service_item.is_text():
                if frame['verseTag']:
                    # These tags are already translated.
                    verse_def = frame['verseTag']
                    verse_def = '%s%s' % (verse_def[0], verse_def[1:])
                    two_line_def = '%s\n%s' % (verse_def[0], verse_def[1:])
                    row = two_line_def
                else:
                    row += 1
                item.setText(frame['text'])
            else:
                label = QtWidgets.QLabel()
                label.setContentsMargins(4, 4, 4, 4)
                if self.service_item.is_media():
                    label.setAlignment(QtCore.Qt.AlignHCenter | QtCore.Qt.AlignVCenter)
                else:
                    label.setScaledContents(True)
                if self.service_item.is_command():
                    if self.service_item.is_capable(ItemCapabilities.HasThumbnails):
                        image = self.image_manager.get_image(frame['image'], ImageSource.CommandPlugins)
                        pixmap = QtGui.QPixmap.fromImage(image)
                    else:
                        pixmap = QtGui.QPixmap(frame['image'])
                else:
                    image = self.image_manager.get_image(frame['path'], ImageSource.ImagePlugin)
                    pixmap = QtGui.QPixmap.fromImage(image)
                pixmap.setDevicePixelRatio(label.devicePixelRatio())
                label.setPixmap(pixmap)
                slide_height = width // self.screen_ratio
                # Setup and validate row height cap if in use.
                max_img_row_height = Settings().value('advanced/slide max height')
                if isinstance(max_img_row_height, int) and max_img_row_height != 0:
                    if max_img_row_height > 0 and slide_height > max_img_row_height:
                        # Manual Setting
                        slide_height = max_img_row_height
                    elif max_img_row_height < 0 and slide_height > self.auto_row_height:
                        # Auto Setting
                        slide_height = self.auto_row_height
                    label.setMaximumWidth(slide_height * self.screen_ratio)
                    label.resize(slide_height * self.screen_ratio, slide_height)
                    # Build widget with stretch padding
                    container = QtWidgets.QWidget()
                    hbox = QtWidgets.QHBoxLayout()
                    hbox.setContentsMargins(0, 0, 0, 0)
                    hbox.addWidget(label, stretch=1)
                    hbox.addStretch(0)