def _adjust_html_node_size(self, node): if node.get_name() in ('graph', 'node', 'empty'): return node label = node.get_label() if label is None: return node label = label.strip('\"') if not label.startswith('<') and not label.endswith('>'): return node text = QGraphicsTextItem() text.setHtml(label) bounding_box = text.boundingRect() width = bounding_box.width() / POINTS_PER_INCH height = bounding_box.height() / POINTS_PER_INCH url = node.get_attributes().get('URL', None) return self._create_fixed_size_node(node.get_name(), label, str(width), str(height), url)
def _adjust_html_node_size(self, node): if node.get_name() in ('graph', 'node', 'empty'): return node label = node.get_label() if not label: return node label = label.strip('\"') if not label.startswith('<') and not label.endswith('>'): return node text = QGraphicsTextItem() text.setHtml(label) bounding_box = text.boundingRect() width = bounding_box.width() / POINTS_PER_INCH height = bounding_box.height() / POINTS_PER_INCH url = node.get_attributes().get('URL', None) return self._create_fixed_size_node(node.get_name(), label, str(width), str(height), url)
class DmgHtmlNodeItem(GraphItem): HIGHLIGHT_LEVEL = 1 HOVERED_COLOR = QColor(250, 0, 0) HIGHLIGHTED_COLOR = QColor(100, 100, 100) HIGHLIGHTED_PEN_WIDTH = 2.0 HIGHLIGHTED_LABEL_PEN_WIDTH = 1.0 def __init__(self, bounding_box, shape, label, label_pos=None, url=None, parent=None, **kwargs): super(DmgHtmlNodeItem, self).__init__(parent, **kwargs) self.url = url self._incoming_edges = set() self._outgoing_edges = set() self._brush = QBrush(self._color) self._label_pen = QPen() self._label_pen.setColor(self._color) self._label_pen.setJoinStyle(Qt.RoundJoin) self._label_pen.setWidthF(self._label_pen_width) self._graphics_item_pen = QPen(self._label_pen) self._graphics_item_pen.setWidthF(self._pen_width) self._label = QGraphicsTextItem() self._label.setHtml(label) label_rectangle = self._label.boundingRect() if label_pos is None: label_rectangle.moveCenter(bounding_box.center()) else: label_rectangle.moveCenter(label_pos) self._label.setPos(label_rectangle.x(), label_rectangle.y()) self.addToGroup(self._label) self._graphics_item = ShapeFactory.create(shape, bounding_box) if ShapeFactory.message is not None: print ShapeFactory.message self.addToGroup(self._graphics_item) self._brush.setColor(self._color) self._graphics_item_pen.setColor(self._color) self._label_pen.setColor(self._color) self._graphics_item.setPen(self._graphics_item_pen) self._highlight_level = kwargs.get('highlight_level', self.HIGHLIGHT_LEVEL) self._hovered_color = kwargs.get('hovered_color', self.HOVERED_COLOR) self._highlighted_color = kwargs.get('highlighted_color', self.HIGHLIGHTED_COLOR) self._highlighted_pen_width = kwargs.get('highlighted_pen_width', self.HIGHLIGHTED_PEN_WIDTH) self._highlighted_label_pen_width = kwargs.get( 'highlighted_label_pen_width', self.HIGHLIGHTED_LABEL_PEN_WIDTH) self.hover_shape = None self.setAcceptHoverEvents(True) def add_incoming_edge(self, edge): self._incoming_edges.add(edge) def add_outgoing_edge(self, edge): self._outgoing_edges.add(edge) def set_color(self, color=None): if color is None: color = self._color self._brush.setColor(color) self._graphics_item_pen.setColor(color) self._label.setDefaultTextColor(color) self._graphics_item.setPen(self._graphics_item_pen) def set_hover_shape(self, shape): self.hover_shape = shape def shape(self): if self.hover_shape is not None: path = QPainterPath() path.addRect(self.hover_shape) return path return super(GraphItem, self).shape() def hoverEnterEvent(self, event): self.set_color(self._highlighted_color) self._highlight_connections() def hoverLeaveEvent(self, event): self.set_color() self._highlight_connections(False) def _highlight_connections(self, highlighted=True): if highlighted: if self._highlight_level > 1: cyclic_edges = self._incoming_edges.intersection( self._outgoing_edges) # incoming edges in blue incoming_nodes = set() for incoming_edge in self._incoming_edges.difference( cyclic_edges): incoming_edge.set_color(self.COLOR_BLUE) if incoming_edge.from_node != self: incoming_nodes.add(incoming_edge.from_node) # outgoing edges in green outgoing_nodes = set() for outgoing_edge in self._outgoing_edges.difference( cyclic_edges): outgoing_edge.set_color(self.COLOR_GREEN) if outgoing_edge.to_node != self: outgoing_nodes.add(outgoing_edge.to_node) # incoming/outgoing edges in teal for edge in cyclic_edges: edge.set_color(self.COLOR_TEAL) if self._highlight_level > 2: cyclic_nodes = incoming_nodes.intersection(outgoing_nodes) # incoming nodes in blue for incoming_node in incoming_nodes.difference( cyclic_nodes): incoming_node.set_color(self.COLOR_BLUE) # outgoing nodes in green for outgoing_node in outgoing_nodes.difference( cyclic_nodes): outgoing_node.set_color(self.COLOR_GREEN) # incoming/outgoing nodes in teal for node in cyclic_nodes: node.set_color(self.COLOR_TEAL) else: if self._highlight_level > 1: for incoming_edge in self._incoming_edges: incoming_edge.set_color() if self.highlight_level > 2 and incoming_edge.from_node != self: incoming_edge.from_node.set_color() for outgoing_edge in self._outgoing_edges: outgoing_edge.set_color() if self.highlight_level > 2 and outgoing_edge.to_node != self: outgoing_edge.to_node.set_color() def highlight(self, highlighted=True): if highlighted: self._graphics_item_pen.setWidthF(self._highlighted_pen_width) else: self._graphics_item_pen.setWidthF(self._pen_width) self._graphics_item.setPen(self._graphics_item_pen)
class DmgHtmlNodeItem(GraphItem): HIGHLIGHT_LEVEL = 1 HOVERED_COLOR = QColor(250, 0, 0) HIGHLIGHTED_COLOR = QColor(100, 100, 100) HIGHLIGHTED_PEN_WIDTH = 2.0 HIGHLIGHTED_LABEL_PEN_WIDTH = 1.0 def __init__(self, bounding_box, shape, label, label_pos=None, url=None, parent=None, **kwargs): super(DmgHtmlNodeItem, self).__init__(parent, **kwargs) self.url = url self._incoming_edges = set() self._outgoing_edges = set() self._brush = QBrush(self._color) self._label_pen = QPen() self._label_pen.setColor(self._color) self._label_pen.setJoinStyle(Qt.RoundJoin) self._label_pen.setWidthF(self._label_pen_width) self._graphics_item_pen = QPen(self._label_pen) self._graphics_item_pen.setWidthF(self._pen_width) self._label = QGraphicsTextItem() self._label.setHtml(label) label_rectangle = self._label.boundingRect() if label_pos is None: label_rectangle.moveCenter(bounding_box.center()) else: label_rectangle.moveCenter(label_pos) self._label.setPos(label_rectangle.x(), label_rectangle.y()) self.addToGroup(self._label) self._graphics_item = ShapeFactory.create(shape, bounding_box) if ShapeFactory.message is not None: print ShapeFactory.message self.addToGroup(self._graphics_item) self._brush.setColor(self._color) self._graphics_item_pen.setColor(self._color) self._label_pen.setColor(self._color) self._graphics_item.setPen(self._graphics_item_pen) self._highlight_level = kwargs.get('highlight_level', self.HIGHLIGHT_LEVEL) self._hovered_color = kwargs.get('hovered_color', self.HOVERED_COLOR) self._highlighted_color = kwargs.get('highlighted_color', self.HIGHLIGHTED_COLOR) self._highlighted_pen_width = kwargs.get('highlighted_pen_width', self.HIGHLIGHTED_PEN_WIDTH) self._highlighted_label_pen_width = kwargs.get('highlighted_label_pen_width', self.HIGHLIGHTED_LABEL_PEN_WIDTH) self.hover_shape = None self.setAcceptHoverEvents(True) def add_incoming_edge(self, edge): self._incoming_edges.add(edge) def add_outgoing_edge(self, edge): self._outgoing_edges.add(edge) def set_color(self, color=None): if color is None: color = self._color self._brush.setColor(color) self._graphics_item_pen.setColor(color) self._label.setDefaultTextColor(color) self._graphics_item.setPen(self._graphics_item_pen) def set_hover_shape(self, shape): self.hover_shape = shape def shape(self): if self.hover_shape is not None: path = QPainterPath() path.addRect(self.hover_shape) return path return super(GraphItem, self).shape() def hoverEnterEvent(self, event): self.set_color(self._highlighted_color) self._highlight_connections() def hoverLeaveEvent(self, event): self.set_color() self._highlight_connections(False) def _highlight_connections(self, highlighted=True): if highlighted: if self._highlight_level > 1: cyclic_edges = self._incoming_edges.intersection(self._outgoing_edges) # incoming edges in blue incoming_nodes = set() for incoming_edge in self._incoming_edges.difference(cyclic_edges): incoming_edge.set_color(self.COLOR_BLUE) if incoming_edge.from_node != self: incoming_nodes.add(incoming_edge.from_node) # outgoing edges in green outgoing_nodes = set() for outgoing_edge in self._outgoing_edges.difference(cyclic_edges): outgoing_edge.set_color(self.COLOR_GREEN) if outgoing_edge.to_node != self: outgoing_nodes.add(outgoing_edge.to_node) # incoming/outgoing edges in teal for edge in cyclic_edges: edge.set_color(self.COLOR_TEAL) if self._highlight_level > 2: cyclic_nodes = incoming_nodes.intersection(outgoing_nodes) # incoming nodes in blue for incoming_node in incoming_nodes.difference(cyclic_nodes): incoming_node.set_color(self.COLOR_BLUE) # outgoing nodes in green for outgoing_node in outgoing_nodes.difference(cyclic_nodes): outgoing_node.set_color(self.COLOR_GREEN) # incoming/outgoing nodes in teal for node in cyclic_nodes: node.set_color(self.COLOR_TEAL) else: if self._highlight_level > 1: for incoming_edge in self._incoming_edges: incoming_edge.set_color() if self.highlight_level > 2 and incoming_edge.from_node != self: incoming_edge.from_node.set_color() for outgoing_edge in self._outgoing_edges: outgoing_edge.set_color() if self.highlight_level > 2 and outgoing_edge.to_node != self: outgoing_edge.to_node.set_color() def highlight(self, highlighted=True): if highlighted: self._graphics_item_pen.setWidthF(self._highlighted_pen_width) else: self._graphics_item_pen.setWidthF(self._pen_width) self._graphics_item.setPen(self._graphics_item_pen)