mirror of
https://gitee.com/akwkevin/aistudio.-wpf.-diagram
synced 2026-03-03 00:00:57 +08:00
616 lines
19 KiB
C#
616 lines
19 KiB
C#
using AIStudio.Wpf.DiagramDesigner.Additionals.Commands;
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using AIStudio.Wpf.Flowchart;
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using AIStudio.Wpf.DiagramDesigner.Additionals.Extensions.ViewModels;
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using AIStudio.Wpf.DiagramDesigner.Additionals;
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using AIStudio.Wpf.DiagramApp.Models;
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using Newtonsoft.Json;
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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.ComponentModel;
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using System.Globalization;
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using System.IO;
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using System.Linq;
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using System.Windows;
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using System.Windows.Input;
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using System.Windows.Media;
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using System.Xml.Serialization;
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using AIStudio.Wpf.DiagramDesigner;
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using ZXing;
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using AIStudio.Wpf.DiagramDesigner.Helpers;
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using AIStudio.Wpf.DiagramDesigner.ViewModels;
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using AIStudio.Wpf.DiagramDesigner.ViewModels.BaseViewModel;
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using System.Threading.Tasks;
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namespace AIStudio.Wpf.DiagramApp.ViewModels
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{
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public partial class PageViewModel : BindableBase
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{
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#region 初始化
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protected IDiagramServiceProvider _service
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{
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get
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{
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return DiagramServicesProvider.Instance.Provider;
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}
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}
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public PageViewModel(string title, string status, DiagramType diagramType, string subType = null)
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{
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Title = title;
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Status = status;
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DiagramType = diagramType;
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SubType = subType;
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}
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public PageViewModel(string filename)
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{
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FileName = filename;
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string ext = Path.GetExtension(filename);
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DiagramDocument = OpenFile(filename, ext);
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}
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public PageViewModel(string filename, DiagramDocument diagramDocument)
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{
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FileName = filename;
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DiagramDocument = diagramDocument;
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}
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DiagramDocument DiagramDocument;
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public virtual void View_Loaded(object sender, EventArgs e)
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{
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//await Task.Run(() => {
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//Application.Current.Dispatcher.Invoke(() => {
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if (string.IsNullOrEmpty(FileName))
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{
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Init(true);
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}
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else
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{
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string ext = Path.GetExtension(FileName);
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OpenFile(DiagramDocument, ext);
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}
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//});
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//});
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}
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protected virtual void InitDiagramViewModel()
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{
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}
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protected virtual void Init(bool initNew)
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{
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DiagramViewModels = new ObservableCollection<IDiagramViewModel>()
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{
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GetDiagramViewModel("页-1", DiagramType,initNew),
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};
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DiagramViewModel = DiagramViewModels.FirstOrDefault();
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InitDiagramViewModel();
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}
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#endregion
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#region 属性
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public string FileName
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{
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get; set;
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}
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private string _title;
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public string Title
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{
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get
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{
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return _title;
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}
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set
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{
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SetProperty(ref _title, value);
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}
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}
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private string _status;
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public string Status
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{
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get
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{
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return _status;
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}
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set
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{
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SetProperty(ref _status, value);
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}
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}
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//private bool _showGrid;
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//public bool ShowGrid
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//{
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// get
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// {
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// return _showGrid;
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// }
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// set
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// {
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// if (SetProperty(ref _showGrid, value))
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// {
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// foreach (var item in DiagramViewModels)
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// {
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// item.DiagramOption.LayoutOption.ShowGrid = _showGrid;
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// }
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// }
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// }
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//}
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public DiagramType DiagramType
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{
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get; set;
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}
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public string SubType
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{
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get; set;
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}
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private ObservableCollection<IDiagramViewModel> _diagramViewModels;
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public ObservableCollection<IDiagramViewModel> DiagramViewModels
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{
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get
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{
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return _diagramViewModels;
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}
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set
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{
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SetProperty(ref _diagramViewModels, value);
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}
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}
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private IDiagramViewModel _diagramViewModel;
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public IDiagramViewModel DiagramViewModel
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{
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get
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{
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return _diagramViewModel;
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}
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set
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{
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if (_diagramViewModel != value)
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{
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if (_diagramViewModel != null)
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{
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_diagramViewModel.PropertyChanged -= DiagramViewModel_PropertyChanged;
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_diagramViewModel.SaveThumbnail();
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}
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SetProperty(ref _diagramViewModel, value);
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if (_diagramViewModel != null)
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{
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_diagramViewModel.PropertyChanged += DiagramViewModel_PropertyChanged;
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}
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}
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}
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}
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#endregion
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#region 命令
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private ICommand _addPageCommand;
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public ICommand AddPageCommand
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{
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get
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{
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return this._addPageCommand ?? (this._addPageCommand = new DelegateCommand<object>(para => this.AddPageExecuted(para)));
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}
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}
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private ICommand _addCopyPageCommand;
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public ICommand AddCopyPageCommand
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{
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get
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{
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return this._addCopyPageCommand ?? (this._addCopyPageCommand = new DelegateCommand<object>(para => this.AddCopyPageExecuted(para)));
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}
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}
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private ICommand _renamePageCommand;
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public ICommand RenamePageCommand
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{
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get
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{
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return this._renamePageCommand ?? (this._renamePageCommand = new DelegateCommand<object>(para => this.RenamePageExecuted(para)));
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}
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}
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private ICommand _endRenamePageCommand;
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public ICommand EndRenamePageCommand
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{
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get
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{
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return this._endRenamePageCommand ?? (this._endRenamePageCommand = new DelegateCommand<object>(para => this.EndRenamePageExecuted(para)));
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}
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}
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private ICommand _deletePageCommand;
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public ICommand DeletePageCommand
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{
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get
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{
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return this._deletePageCommand ?? (this._deletePageCommand = new DelegateCommand<object>(para => this.DeletePageExecuted(para)));
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}
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}
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private ICommand _addImageCommand;
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public ICommand AddImageCommand
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{
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get
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{
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return this._addImageCommand ?? (this._addImageCommand = new DelegateCommand<object>(para => this.AddImageExecuted(para)));
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}
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}
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private ICommand _editImageCommand;
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public ICommand EditImageCommand
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{
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get
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{
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return this._editImageCommand ?? (this._editImageCommand = new DelegateCommand<object>(para => this.EditImageExecuted(para)));
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}
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}
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private ICommand _resizeImageCommand;
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public ICommand ResizeImageCommand
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{
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get
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{
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return this._resizeImageCommand ?? (this._resizeImageCommand = new DelegateCommand<object>(para => this.ResizeImageExecuted(para)));
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}
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}
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private ICommand _resetImageCommand;
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public ICommand ResetImageCommand
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{
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get
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{
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return this._resetImageCommand ?? (this._resetImageCommand = new DelegateCommand<object>(para => this.ResetImageExecuted(para)));
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}
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}
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private ICommand _addVideoCommand;
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public ICommand AddVideoCommand
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{
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get
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{
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return this._addVideoCommand ?? (this._addVideoCommand = new DelegateCommand<object>(para => this.AddVideoExectued(para)));
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}
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}
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private ICommand _addOutLineTextCommand;
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public ICommand AddOutLineTextCommand
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{
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get
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{
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return this._addOutLineTextCommand ?? (this._addOutLineTextCommand = new DelegateCommand<object>(para => this.AddOutLineTextExecuted(para)));
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}
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}
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private ICommand _addBarcodeCommand;
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public ICommand AddBarcodeCommand
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{
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get
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{
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return this._addBarcodeCommand ?? (this._addBarcodeCommand = new DelegateCommand<object>(para => this.AddBarcodeExecuted(para)));
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}
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}
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#endregion
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#region 属性改变
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private void DiagramViewModel_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
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{
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if (e.PropertyName == "IsSelected")
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{
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_service.SelectedItemViewModel = CopyHelper.Mapper(DiagramViewModel?.SelectedItem);
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return;
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}
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var property = sender.GetType().GetProperty(e.PropertyName);
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var attr = property.GetCustomAttributes(typeof(BrowsableAttribute), true);
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if (attr != null && attr.OfType<BrowsableAttribute>().FirstOrDefault()?.Browsable != true)
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{
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return;
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}
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Status = "*";
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}
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#endregion
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#region 方法
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protected virtual bool AddVerify(SelectableDesignerItemViewModelBase arg)
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{
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return true;
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}
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public static DiagramDocument OpenFile(string filename, string ext)
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{
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try
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{
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DiagramDocument diagramDocument = null;
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if (ext == ".xml")
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{
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XmlSerializer serializer = new XmlSerializer(typeof(DiagramDocument));
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FileInfo fileInfo = new FileInfo(filename);
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using (TextReader reader = fileInfo.OpenText())
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{
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diagramDocument = (DiagramDocument)serializer.Deserialize(reader);
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}
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}
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else
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{
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diagramDocument = JsonConvert.DeserializeObject<DiagramDocument>(File.ReadAllText(filename));
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}
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return diagramDocument;
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}
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catch (System.IO.FileNotFoundException fnfe)
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{
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throw new FileNotFoundException("The system document could not be found ", fnfe);
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}
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catch (System.IO.DirectoryNotFoundException dnfe)
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{
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throw new DirectoryNotFoundException("A required directory was nt found", dnfe);
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}
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catch (System.IO.IOException ioe)
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{
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throw new IOException("A file system error occurred", ioe);
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}
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catch (System.UnauthorizedAccessException uae)
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{
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throw new UnauthorizedAccessException("The requested file system access wasnot granted", uae);
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}
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catch (System.Security.SecurityException se)
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{
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throw new System.Security.SecurityException("The security policy prevents access to a file system resource", se);
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}
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catch (System.Exception e)
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{
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throw new System.Exception(
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string.Format("The database format vc invalid \r\n Exception:{0} \r\n InnerException:{1}", e.Message, e.InnerException.Message));
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}
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}
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protected virtual void OpenFile(DiagramDocument diagramDocument, string ext)
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{
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Title = diagramDocument.Title;
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DiagramType = diagramDocument.DiagramType;
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List<DiagramViewModel> viewModels = new List<DiagramViewModel>();
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foreach (var diagramItem in diagramDocument.DiagramItems)
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{
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var viewModel = GetDiagramViewModel(diagramItem, ext);
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viewModels.Add(viewModel);
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}
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DiagramViewModels = new ObservableCollection<IDiagramViewModel>(viewModels);
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foreach (var vm in DiagramViewModels)
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{
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vm.Init(false);
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}
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DiagramViewModel = DiagramViewModels.FirstOrDefault();
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}
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public bool SaveFile(bool isSaveAs = false)
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{
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string filter = "Files (*.xml)|*.xml|Files (*.json)|*.json|All Files (*.*)|*.*";
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if (string.IsNullOrEmpty(FileName) || isSaveAs == true)
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{
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Microsoft.Win32.SaveFileDialog saveFile = new Microsoft.Win32.SaveFileDialog();
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saveFile.Filter = filter;
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if (saveFile.ShowDialog() == true)
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{
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FileName = saveFile.FileName;
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Title = Path.GetFileNameWithoutExtension(FileName);
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}
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else
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{
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return false;
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}
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}
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var ext = Path.GetExtension(FileName);
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DiagramDocument diagramDocument = new DiagramDocument();
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diagramDocument.DiagramItems = new List<DiagramItem>();
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diagramDocument.Title = Title;
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diagramDocument.DiagramType = DiagramType;
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foreach (var viewModel in DiagramViewModels)
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{
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DiagramItem diagramItem = new DiagramItem(viewModel, ext);
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diagramDocument.DiagramItems.Add(diagramItem);
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}
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if (ext == ".xml")
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{
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FileInfo file = new FileInfo(FileName);
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diagramDocument.Save(file);
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}
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else
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{
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File.WriteAllText(FileName, JsonConvert.SerializeObject(diagramDocument));
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}
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Status = "";
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return true;
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}
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public virtual void AddPageExecuted(object para)
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{
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int index = 0;
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if (para is DiagramViewModel oldpage)
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{
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index = DiagramViewModels.IndexOf(oldpage) + 1;
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}
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else
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{
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index = DiagramViewModels.Count;
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}
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var page = GetDiagramViewModel(null, DiagramType, true);
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DiagramViewModels.Insert(index, page);
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DiagramViewModel = page;
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InitDiagramViewModel();
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}
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protected virtual DiagramViewModel GetDiagramViewModel(DiagramItem diagramItem, string ext)
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{
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return new BlockDiagramViewModel(diagramItem, ext) { GenerateThumbnail = true};
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}
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protected virtual DiagramViewModel GetDiagramViewModel(string name, DiagramType diagramType, bool initNew)
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{
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return new BlockDiagramViewModel() { Name = name ?? NewNameHelper.GetNewName(DiagramViewModels.Select(p => p.Name), "页-"), DiagramType = diagramType,GenerateThumbnail = true };
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}
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public void AddCopyPageExecuted(object para)
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{
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if (DiagramViewModel != null)
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{
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var viewModel = DiagramViewModel;
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DiagramItem diagramItem = new DiagramItem(viewModel);
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diagramItem.Name = NewNameHelper.GetNewName(DiagramViewModels.Select(p => p.Name), "页-");
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viewModel = GetDiagramViewModel(diagramItem, ".json");
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DiagramViewModels.Add(viewModel);
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DiagramViewModel = viewModel;
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InitDiagramViewModel();
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}
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}
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public void DeletePageExecuted(object para)
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{
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if (para is DiagramViewModel oldpage)
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{
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int index = DiagramViewModels.IndexOf(oldpage) - 1;
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DiagramViewModels.Remove(oldpage);
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if (index > 0)
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{
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DiagramViewModel = DiagramViewModels[index];
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}
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else
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{
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DiagramViewModel = DiagramViewModels.FirstOrDefault();
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}
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}
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}
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public void RenamePageExecuted(object para)
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{
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if (para is DiagramViewModel oldpage)
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{
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oldpage.IsEditName = true;
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}
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}
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public void EndRenamePageExecuted(object para)
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{
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if (para is DiagramViewModel oldpage)
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{
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oldpage.IsEditName = false;
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}
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}
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public void AddImageExecuted(object para)
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{
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ImageItemViewModel itemBase = new ImageItemViewModel();
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DiagramViewModel?.AddCommand.Execute(itemBase);
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if (itemBase.Root != null)
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{
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_service.DrawModeViewModel.CursorMode = CursorMode.Move;
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}
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}
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public void EditImageExecuted(object para)
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{
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if (para == null)
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{
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para = DiagramViewModel.SelectedItem;
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}
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ImageItemViewModel itemBase = para as ImageItemViewModel;
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if (itemBase != null)
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{
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itemBase.EditData();
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}
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}
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public void ResizeImageExecuted(object para)
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{
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if (para == null)
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{
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para = DiagramViewModel.SelectedItem;
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}
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ImageItemViewModel itemBase = para as ImageItemViewModel;
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if (itemBase != null)
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{
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itemBase.StartResize();
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}
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}
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public void ResetImageExecuted(object para)
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{
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if (para == null)
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{
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para = DiagramViewModel.SelectedItem;
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}
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ImageItemViewModel itemBase = para as ImageItemViewModel;
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if (itemBase != null)
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{
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itemBase.Reset();
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}
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}
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public void AddVideoExectued(object para)
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{
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VideoItemViewModel itemBase = new VideoItemViewModel();
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DiagramViewModel?.AddCommand.Execute(itemBase);
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if (itemBase.Root != null)
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{
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_service.DrawModeViewModel.CursorMode = CursorMode.Move;
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}
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}
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public void AddOutLineTextExecuted(object para)
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{
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OutLineTextDesignerItemViewModel itemBase = new OutLineTextDesignerItemViewModel();
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DiagramViewModel?.AddCommand.Execute(itemBase);
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if (itemBase.Root != null)
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{
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_service.DrawModeViewModel.CursorMode = CursorMode.Move;
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}
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}
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public void AddBarcodeExecuted(object para)
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{
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BarcodeDesignerItemViewModel itemBase = new BarcodeDesignerItemViewModel() { Format = (BarcodeFormat)Enum.Parse(typeof(BarcodeFormat), para.ToString()), Text = "AIStudio.Wpf.DiagramApp" };
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DiagramViewModel?.AddCommand.Execute(itemBase);
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if (itemBase.Root != null)
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{
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_service.DrawModeViewModel.CursorMode = CursorMode.Move;
|
|
}
|
|
}
|
|
#endregion
|
|
|
|
public virtual void Dispose()
|
|
{
|
|
}
|
|
}
|
|
}
|
