Esempio n. 1
0
    def load(cls, diagram):
        """
        This method load the xml file that represents the diagram.

            :param diagram: diagram to load.
            :return: operation status (True or False)
        """
        from mosaicode.control.diagramcontrol import DiagramControl
        dc = DiagramControl(diagram)
        # load the diagram
        parser = XMLParser(diagram.file_name)

        # Loading from tags
        zoom = parser.getTag(tag_name).getTag("zoom")
        if zoom is not None:
            zoom = zoom.getAttr("value")
        else:
            zoom = parser.getTagAttr(tag_name, "zoom")
        diagram.zoom = float(zoom)

        language = parser.getTag(tag_name).getTag("language")
        if language is not None:
            language = language.getAttr("value")
        else:
            language = parser.getTagAttr(tag_name, "language")
        diagram.language = language

        code_template = parser.getTag(tag_name).getTag("code_template")
        if code_template is not None and hasattr(code_template, "value"):
            code_template = code_template.getAttr("value")
            if code_template not in System.get_code_templates():
                System.log("Code Template " + code_template + " not found")
            else:
                code_template = System.get_code_templates()[code_template]
                diagram.code_template = deepcopy(code_template)

        parser = parser.getTag(tag_name)
        # new version load
        blocks = parser.getTag("blocks").getChildTags("block")
        system_blocks = System.get_blocks()
        for block in blocks:
            block_type = block.getAttr("type")
            if block_type not in system_blocks:
                System.log("Block " + block_type + " not found")
                continue
            block_id = int(block.getAttr("id"))
            collapsed = False
            if hasattr(block, "collapsed"):
                collapsed = block.collapsed == "True"
            if hasattr(block, "x"):
                x = block.x
            if hasattr(block, "y"):
                y = block.y
            position = block.getTag("position")
            if position is not None:
                x = position.getAttr("x")
                y = position.getAttr("y")
            properties = block.getChildTags("property")
            props = {}
            for prop in properties:
                if hasattr(prop, 'key') and hasattr(prop, 'value'):
                    props[prop.key] = prop.value
            new_block = deepcopy(system_blocks[block_type])
            new_block.set_properties(props)
            new_block.id = block_id
            new_block.x = float(x)
            new_block.y = float(y)
            new_block.is_collapsed = collapsed
            dc.add_block(new_block)

        connections = parser.getTag("connections")
        connections = connections.getChildTags("connection")
        for conn in connections:
            if not hasattr(conn, 'from_block'):
                continue
            elif not hasattr(conn, 'to_block'):
                continue
            try:
                from_block = diagram.blocks[int(conn.from_block)]
                to_block = diagram.blocks[int(conn.to_block)]
                from_block_out = from_block.ports[int(
                    conn.getAttr("from_out"))]
                to_block_in = to_block.ports[int(conn.getAttr("to_in"))]
            except:
                continue
            connection = ConnectionModel(diagram, from_block, from_block_out,
                                         to_block, to_block_in)
            dc.add_connection(connection)

        comments = parser.getTag("comments")
        if comments is not None:
            comments = comments.getChildTags("comment")
            for com in comments:
                comment = CommentModel()
                comment.x = float(com.getAttr("x"))
                comment.y = float(com.getAttr("y"))
                properties = com.getChildTags("property")
                props = {}
                for prop in properties:
                    if hasattr(prop, 'key') and hasattr(prop, 'value'):
                        props[prop.key] = prop.value
                comment.set_properties(props)
                dc.add_comment(comment)

        authors = parser.getTag("authors")
        if authors is not None:
            authors = authors.getChildTags("author")
            for author in authors:
                auth = AuthorModel()
                auth.name = author.getAttr("author")
                auth.license = author.getAttr("license")
                auth.date = author.getAttr("date")
                diagram.authors.append(auth)

        diagram.redraw()
        return True
Esempio n. 2
0
    def save(cls, diagram):
        """
        This method save a file.

        Returns:

            * **Types** (:class:`boolean<boolean>`)
        """
        parser = XMLParser()
        parser.addTag(tag_name)
        parser.setTagAttr(tag_name, 'version', value=System.VERSION)
        parser.setTagAttr(tag_name, 'zoom', value=diagram.zoom)
        parser.setTagAttr(tag_name, 'language', value=diagram.language)

        parser.appendToTag(tag_name,
                           'code_template',
                           value=diagram.code_template)

        parser.appendToTag(tag_name, 'blocks')
        for block_id in diagram.blocks:
            block = diagram.blocks[block_id]
            pos = block.get_position()
            parser.appendToTag('blocks',
                               'block',
                               type=block.type,
                               id=block.id,
                               collapsed=block.is_collapsed,
                               x=pos[0],
                               y=pos[1])
            props = block.get_properties()
            for prop in props:
                parser.appendToLastTag('block',
                                       'property',
                                       key=str(prop["name"]),
                                       value=str(prop["value"]))

        parser.appendToTag(tag_name, 'connections')
        for connector in diagram.connectors:
            parser.appendToTag('connections',
                               'connection',
                               from_block=connector.output.id,
                               from_out=int(connector.output_port.index),
                               to_block=connector.input.id,
                               to_in=int(connector.input_port.index))

        parser.appendToTag(tag_name, 'comments')
        for comment in diagram.comments:
            pos = comment.get_position()
            parser.appendToTag('comments', 'comment', x=pos[0], y=pos[1])
            props = comment.get_properties()
            for prop in props:
                parser.appendToLastTag('comment',
                                       'property',
                                       key=str(prop["name"]),
                                       value=str(prop["value"]))

        auth = AuthorModel()
        auth.name = System.get_preferences().author
        auth.license = System.get_preferences().license
        auth.date = datetime.now()
        diagram.authors.insert(0, auth)

        parser.appendToTag(tag_name, 'authors')
        for author in diagram.authors:
            parser.appendToTag('authors',
                               'author',
                               author=author.name,
                               license=author.license,
                               date=author.date)

        try:
            save_file = open(str(diagram.file_name), "w")
            save_file.write(parser.prettify())
            save_file.close()
        except IOError as e:
            System.log(e.strerror)
            return False, e.strerror

        diagram.set_modified(False)
        return True, "Success"
    def save(cls, diagram):
        """
        This method save a file.

        Returns:

            * **Types** (:class:`boolean<boolean>`)
        """

        x = {
            "source": "JSON",
            "data": "DIAGRAM",
            "version": System.VERSION,
            "zoom": diagram.zoom,
            "language": diagram.language,
            "code_template": {},
            "blocks": [],
            "connections": [],
            "comments": [],
            "authors": []
        }

        if diagram.code_template:
            code_template_data = {
                "type": diagram.code_template.type,
                "properties": []
                }
            props = diagram.code_template.properties
            for prop in props:
                code_template_data["properties"].append({
                        "key": str(prop["name"]),
                        "value": str(prop["value"])
                        })
            x["code_template"] = code_template_data

        for block_id in diagram.blocks:
            block = diagram.blocks[block_id]
            pos = block.get_position()
            block_data = {
                    "type": block.type,
                    "id": block.id,
                    "collapsed": block.is_collapsed,
                    "x": pos[0],
                    "y": pos[1],
                    "properties": []
                }
            props = block.get_properties()
            for prop in props:
                block_data["properties"].append({
                        "key": str(prop["name"]),
                        "value": str(prop["value"])
                        }
                        )
            x["blocks"].append(block_data)

        for connector in diagram.connectors:
            x["connections"].append({
                               "from_block": connector.output.id,
                               "from_out": int(connector.output_port.index),
                               "to_block": connector.input.id,
                               "to_in": int(connector.input_port.index)
                               })

        for comment in diagram.comments:
            pos = comment.get_position()
            comment_data = {
                               "x": pos[0],
                               "y": pos[1],
                               "properties": []
                               }
            props = comment.get_properties()
            for prop in props:
                comment_data["properties"].append({
                                       "key": str(prop["name"]),
                                       "value": str(prop["value"])
                                       })
            x["comments"].append(comment_data)

        auth = AuthorModel()
        auth.name = System.get_preferences().author
        auth.license = System.get_preferences().license
        auth.date = str(datetime.now())
        diagram.authors.insert(0,auth)

        for author in diagram.authors:
            x["authors"].append({
                               "author": author.name,
                               "license": author.license,
                               "date": author.date
                               })

        try:
            save_file = open(str(diagram.file_name), "w")
            save_file.write(json.dumps(x, indent=4))
            save_file.close()
        except IOError as e:
            System.log(e.strerror)
            return False, e.strerror

        diagram.set_modified(False)
        return True, "Success"
    def load(cls, diagram):
        """
        This method load the JSON file that represents the diagram.

            :param diagram: diagram to load.
            :return: operation status (True or False)
        """
        if os.path.exists(diagram.file_name) is False:
            System.log("Problem loading the diagram. File does not exist.")
            return None

        if not isinstance(diagram, DiagramModel):
            System.log("Problem loading the diagram. Is this a Diagram?")
            return False
        from mosaicode.control.diagramcontrol import DiagramControl
        dc = DiagramControl(diagram)
        # load the diagram

        data = ""

        try:
            data_file = open(diagram.file_name, 'r')
            data = json.load(data_file)
            data_file.close()

            if data["data"] != "DIAGRAM":
                System.log("Problem loading the diagram. Are you sure this is a valid file?")
                return False

            if "zoom" in data:
                diagram.zoom = float(data["zoom"])
            if "language" in data:
                diagram.language = data["language"]

            # Loading Code Template
            if "code_template" in data:
                code_template_data = data["code_template"]
                if "type" in code_template_data:
                    code_template = code_template_data["type"]
                    if code_template not in System.get_code_templates():
                        System.log("Code Template " + code_template + " not found")
                    else:
                        code_template = System.get_code_templates()[code_template]
                        diagram.code_template = deepcopy(code_template)
                if "properties" in code_template_data:
                    properties = code_template_data["properties"]
                    props = {}
                    for prop in properties:
                        props[prop["key"]] = prop["value"]
                    diagram.code_template.set_properties(props)

            # Loading Blocks
            if "blocks" in data:        
                blocks = data["blocks"]
                system_blocks = System.get_blocks()
                for block in blocks:
                    block_type = block["type"]
                    if block_type not in system_blocks:
                        System.log("Block " + block_type + " not found")
                        continue
                    block_id = int(block["id"])
                    collapsed = block["collapsed"]
                    x = block["x"]
                    y = block["y"]
                    properties = block["properties"]
                    props = {}
                    for prop in properties:
                        props[prop["key"]] = prop["value"]
                    new_block = deepcopy(system_blocks[block_type])
                    new_block.set_properties(props)
                    new_block.id = block_id
                    new_block.x = float(x)
                    new_block.y = float(y)
                    new_block.is_collapsed = collapsed
                    dc.add_block(new_block)

            # Loading connections
            connections = data["connections"]
            for conn in connections:
                try:
                    from_block = diagram.blocks[int(conn["from_block"])]
                    to_block = diagram.blocks[int(conn["to_block"])]
                    port_index = int(conn["from_out"])
                    if port_index >= 0 and port_index < len(from_block.ports):
                        from_block_out = from_block.ports[port_index]
                        if from_block_out.is_input():
                            System.log("Diagram error: Output port is an input port")
                            continue
                    else:
                        System.log("Diagram error: invalid output port index " + str(port_index))
                        continue
                    port_index = int(conn["to_in"])
                    if port_index >= 0 and port_index < len(to_block.ports):
                        to_block_in = to_block.ports[port_index]
                        if not to_block_in.is_input():
                            System.log("Diagram error: Input port is an output port")
                            continue
                    else:
                        System.log("Diagram error: invalid input port index " + str(port_index))
                        continue
                except Exception as e:
                    System.log("Diagram error:" + str(e))
                    continue
                connection = ConnectionModel(diagram,
                                    from_block,
                                    from_block_out,
                                    to_block,
                                    to_block_in)
                dc.add_connection(connection)

            # Loading comments
            comments = data["comments"]
            for com in comments:
                comment = CommentModel()
                comment.x = float(com["x"])
                comment.y = float(com["y"])
                properties = com["properties"]
                props = {}
                for prop in properties:
                    props[prop["key"]] = prop["value"]
                comment.set_properties(props)
                dc.add_comment(comment)

            # Loading authors
            authors = data["authors"]
            for author in authors:
                auth = AuthorModel()
                auth.name = author["author"]
                auth.license = author["license"]
                auth.date = author["date"]
                diagram.authors.append(auth)

            diagram.redraw()


        except Exception as e:
            System.log(e)
            return False

        return True
 def test_base(self):
     authormodel = AuthorModel()