Exemplo n.º 1
0
        public void LoadOPC()
        {
            // Loading, clear existing nodes
            this.UMLCollection.Clear();

            try
            {
                // Use the default path and filename if none were provided
                if (string.IsNullOrEmpty(this.FullyQualifiedFilename))
                {
                    this.FullyQualifiedFilename = UML.DefaultFullyQualifiedFilename;
                }

                string tempFolder = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData),
                                                 GlobalData.ApplicationFolderName);
                tempFolder = Path.Combine(tempFolder, GlobalData.AppDataFolderName + @"\");

                OPCUtility.ExtractPackage(FullyQualifiedFilename, tempFolder);

                XmlSerializer xml = new XmlSerializer(typeof(UML));
                using (Stream stream = new FileStream(tempFolder + OPCContentFileName, FileMode.Open, FileAccess.Read, FileShare.Read))
                {
                    UML pc = (UML)xml.Deserialize(stream);
                    stream.Close();

                    foreach (Shape shape in pc.UMLCollection)
                    {
                        this.UMLCollection.Add(shape);
                    }

                    // To avoid circular references when serializing family data to xml, only the person Id
                    // is seralized to express relationships. When family data is loaded, the correct
                    // person object is found using the person Id and assigned to the appropriate relationship.
                    foreach (Shape p in this.UMLCollection)
                    {
                        foreach (Relationship r in p.Relationships)
                        {
                            r.RelationTo = this.UMLCollection.Find(r.ShapeId);
                        }
                    }

                    // Set the current person in the list
                    this.CurrentShapeId        = pc.CurrentShapeId;
                    this.CurrentShapeName      = pc.CurrentShapeName;
                    this.UMLCollection.Current = this.UMLCollection.Find(this.CurrentShapeId);
                }

                this.UMLCollection.IsDirty = false;
                return;
            }
            catch
            {
                // Could not load the file. Handle all exceptions
                // the same, ignore and continue.
                this.fullyQualifiedFilename = string.Empty;
            }
        }
Exemplo n.º 2
0
        /// <summary>
        /// Persist the current list of people to disk.
        /// </summary>
        public void Save()
        {
            // Return right away if nothing to save.
            if (this.UMLCollection == null || this.UMLCollection.Count == 0)
            {
                return;
            }

            // Set the current person id and name before serializing
            this.CurrentShapeName = this.UMLCollection.Current.Name;
            this.CurrentShapeId   = this.UMLCollection.Current.Id;

            // Use the default path and filename if none was provided
            if (string.IsNullOrEmpty(this.FullyQualifiedFilename))
            {
                this.FullyQualifiedFilename = UML.DefaultFullyQualifiedFilename;
            }

            // Setup temp folders for this family to be packaged into OPC later
            string tempFolder = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData),
                                             GlobalData.ApplicationFolderName);

            tempFolder = Path.Combine(tempFolder, GlobalData.AppDataFolderName);

            // Create the necessary directories
            Directory.CreateDirectory(tempFolder);

            // Create xml content file
            XmlSerializer xml = new XmlSerializer(typeof(UML));

            using (Stream stream = new FileStream(Path.Combine(tempFolder, OPCContentFileName), FileMode.Create, FileAccess.Write, FileShare.None))
            {
                xml.Serialize(stream, this);
            }

            // save to file package
            OPCUtility.CreatePackage(FullyQualifiedFilename, tempFolder);

            this.UMLCollection.IsDirty = false;
        }