PDFOffice_Windows_exe/PDF Office/ViewModels/Form/TextFieldPropertyViewModel.cs

using ComPDFKit.PDFAnnotation;
using ComPDFKitViewer;
using ComPDFKitViewer.AnnotEvent;
using ComPDFKitViewer.PdfViewer;
using PDF_Office.CustomControl.CompositeControl;
using PDF_Office.Helper;
using PDF_Office.Model;
using PDF_Office.Model.From;
using Prism.Commands;
using Prism.Mvvm;
using Prism.Regions;
using Prism.Services.Dialogs;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;

namespace PDF_Office.ViewModels.Form
{
    public class TextFieldPropertyViewModel : FormBaseVM, INavigationAware
    {
        #region 属性

        #region 一般
        private FormFieldType _formPos;
        public FormFieldType FormPos
        {
            get { return _formPos; }
            set { SetProperty(ref _formPos, value); ChangeFieldValue("FormPos"); }
        }

        #endregion

        #region 选项
        //默认值
        private string _defaultValue;
        public string DefaultValue
        {
            get { return _defaultValue; }
            set { SetProperty(ref _defaultValue, value); }
        }

        //多行
        private bool _isMultiline = false;
        public bool IsMultiLine
        {
            get { return _isMultiline; }
            set { SetProperty(ref _isMultiline, value); ChangeFieldValue("IsMultiLine"); }
        }

        //滚动显示长文本
        private bool _isScrollText = false;
        public bool IsScrollText
        {
            get { return _isScrollText; }
            set { SetProperty(ref _isScrollText, value); ChangeFieldValue("IsScrollText"); }
        }

        #endregion

        private FontFamily _fontFamily;
        public FontFamily FontFamilyItem
        {
            get { return _fontFamily; }
            set { SetProperty(ref _fontFamily, value); ChangeFieldValue("FontFamilyItem"); }
        }

        private FontStyle _fontStyle;
        public FontStyle FontStyleItem
        {
            get { return _fontStyle; }
            set { SetProperty(ref _fontStyle, value); ChangeFieldValue("FontStyleItem"); }
        }

        private FontWeight _fontWeight;
        public FontWeight FontWeightItem
        {
            get { return _fontWeight; }
            set { SetProperty(ref _fontWeight, value); ChangeFieldValue("FontWeightItem"); }
        }

        private C_TEXT_ALIGNMENT _textAlignment;
        public C_TEXT_ALIGNMENT TextAlignmentItem
        {
            get { return _textAlignment; }
            set { SetProperty(ref _textAlignment, value); ChangeFieldValue("TextAlignmentItem"); }
        }

        private string _content;
        public string FormContent
        {
            get { return _content; }
            set { SetProperty(ref _content, value); ChangeFieldValue("FormContent"); }
        }

        #endregion

        #region Command变量
        public DelegateCommand<string> NameTextChangedCommand { get; set; }
        public DelegateCommand<string> ToolTipTextChangedCommand { get; set; }

        public DelegateCommand<object> IsReadOnlyCheckedCommand { get; set; }
        public DelegateCommand<object> RequiredFieldCheckedCommand { get; set; }

        //外观
        public DelegateCommand<object> ThicknessChangedCommand { get; set; }

        public DelegateCommand<object> ResetColorCommand { get; set; }
        public DelegateCommand<object> ResetColorCheckedBtnCommand { get; set; }
        public DelegateCommand<object> FontFamilyChangedCommand { get; set; }
        public DelegateCommand<object> FontStyleChangedCommand { get; set; }

        public DelegateCommand<object> AlignmentChangedCommand { get; set; }
        public DelegateCommand<string> FormContentTextChangedCommand { get; set; }

        public DelegateCommand<object> IsMultiLineCheckedCommand { get; set; }
        public DelegateCommand<object> IsScrollToDisplayCheckedCommand { get; set; }
        public DelegateCommand<object> LineStyleCommand { get; set; }
        #endregion

        #region 变量
        public UpdateAttributeHelper AttribEvent;
        private CPDFViewer PDFViewer;
        private WidgetTextBoxArgs textBoxArgs;
        private bool IsCurrentWidget = false;
        private IDialogService dialogs;
        public List<ComboDataItem> Items { get; private set; }

        #endregion

        #region 初始化
        public TextFieldPropertyViewModel(IDialogService dialogService)
        {
            dialogs = dialogService;
            InitVariable();
            InitCommand();
        }

        private void InitVariable()
        {
            InitResetColor();
            InitFontFamilyComboBox();
        }

        private void InitResetColor()
        {
            ResetColorOne = new ResetColor()
            {
                BorderColor = new SolidColorBrush(Colors.Transparent),
                FontColor = new SolidColorBrush(Color.FromArgb(0xFF, 0x00, 0x00, 0x00)),
                FillColor = new SolidColorBrush(Colors.Transparent)
            };

            ResetColorTwo = new ResetColor()
            {
                BorderColor = new SolidColorBrush(Color.FromArgb(0xFF, 0x00, 0x00, 0x00)),
                FontColor = new SolidColorBrush(Color.FromArgb(0xFF, 0x00, 0x00, 0x00)),
                FillColor = new SolidColorBrush(Colors.Transparent)
            };

            ResetColorThree = new ResetColor()
            {
                BorderColor = new SolidColorBrush(Color.FromArgb(0xFF, 0x00, 0x00, 0x00)),
                FontColor = new SolidColorBrush(Color.FromArgb(0xFF, 0x00, 0x00, 0x00)),
                FillColor = new SolidColorBrush(Color.FromArgb(0xFF, 0xBD, 0xDF, 0xFD))
            };

            ResetColorForth = new ResetColor()
            {
                BorderColor = new SolidColorBrush(Color.FromArgb(0xFF, 0xff, 0x00, 0x00)),
                FontColor = new SolidColorBrush(Color.FromArgb(0xFF, 0xff, 0x00, 0x00)),
                FillColor = new SolidColorBrush(Colors.Transparent)
            };

        }
        private void InitFontFamilyComboBox()
        {
            Items = new List<ComboDataItem>();
            ComboDataItem item = new ComboDataItem("Courier", "Courier New");
            Items.Add(item);
            item = new ComboDataItem("Arial", "Helvetica");
            Items.Add(item);
            item = new ComboDataItem("Times New Roman", "Times New Roman");
            Items.Add(item);
        }

        private void InitCommand()
        {
            NameTextChangedCommand = new DelegateCommand<string>(NameTextChanged);
            ToolTipTextChangedCommand = new DelegateCommand<string>(ToolTipTextChanged);
            IsReadOnlyCheckedCommand = new DelegateCommand<object>(IsReadOnlyChecked);
            RequiredFieldCheckedCommand = new DelegateCommand<object>(RequiredFieldChecked);
            //外观
            ThicknessChangedCommand = new DelegateCommand<object>(ThicknessChanged);
            ResetColorCommand = new DelegateCommand<object>(ResetColorEvent);

            ResetColorCheckedBtnCommand = new DelegateCommand<object>(ResetColorCheckedBtn);
            FontFamilyChangedCommand = new DelegateCommand<object>(FontFamilyChanged);
            FontStyleChangedCommand = new DelegateCommand<object>(FontStyleChanged);
            AlignmentChangedCommand = new DelegateCommand<object>(AlignmentChanged);
            FormContentTextChangedCommand = new DelegateCommand<string>(FormContentTextChanged);

            IsMultiLineCheckedCommand = new DelegateCommand<object>(IsMultiLineChecked);
            IsScrollToDisplayCheckedCommand = new DelegateCommand<object>(IsScrollToDisplayChecked);
            LineStyleCommand = new DelegateCommand<object>(LineStyleBtnEvent);
            ChangeValueHandler -= ChangeValue;
            ChangeValueHandler += ChangeValue;
        }

        private void LineStyleBtnEvent(object obj)
        {
            if (obj != null)
            {
                switch ((string)obj)
                {
                    case "Solid":
                        BorderStyle = ComPDFKit.PDFAnnotation.C_BORDER_STYLE.BS_SOLID;
                        break;
                    case "Dotted":
                        BorderStyle = ComPDFKit.PDFAnnotation.C_BORDER_STYLE.BS_DASHDED;
                        break;
                }
            }
        }


        private void IsScrollToDisplayChecked(object obj)
        {
           if(obj != null)
            {
                IsScrollText = (bool)obj;
            }
        }

        private void IsMultiLineChecked(object obj)
        {
            if (obj != null)
            {
                IsMultiLine = (bool)obj;
            }
        }

        private void FormContentTextChanged(string obj)
        {
            if(obj != null)
            {
                FormContent = obj;
            }
        }

        private void AlignmentChanged(object obj)
        {
            if (obj != null)
            {
                var combo = (ComboBoxItem)obj;
                if (combo != null)
                {
                    switch (combo.Content)
                    {
                        case "Left":
                            TextAlignmentItem = C_TEXT_ALIGNMENT.ALIGNMENT_LEFT;
                            break;

                        case "Center":
                            TextAlignmentItem = C_TEXT_ALIGNMENT.ALIGNMENT_CENTER;
                            break;

                        case "Right":
                            TextAlignmentItem = C_TEXT_ALIGNMENT.ALIGNMENT_RIGHT;
                            break;

                    }
                }
            }
        }

        private void FontStyleChanged(object obj)
        {
           if(obj != null)
            {
                var combo = (ComboBoxItem)obj;
                if(combo != null)
                {
                    switch(combo.Content)
                    {
                        case "Regular":
                            FontStyleItem = FontStyles.Normal;
                            FontWeightItem = FontWeights.Normal;
                            break;

                        case "Bold":
                            FontStyleItem = FontStyles.Normal;
                            FontWeightItem = FontWeights.Bold;
                            break;

                        case "Italic":
                            FontStyleItem = FontStyles.Italic;
                            FontWeightItem = FontWeights.Normal;
                            break;

                        case "Bold Italic":
                            FontStyleItem = FontStyles.Italic;
                            FontWeightItem = FontWeights.Bold;
                            break;
                    }
                }
            }
        }

        private void FontFamilyChanged(object obj)
        {
            if (obj != null && string.IsNullOrEmpty((string)obj) == false)
            {
                switch ((string)obj)
                {
                    case "Courier":
                        FontFamilyItem = new FontFamily("Courier");
                        break;
                    case "Helvetica":
                        FontFamilyItem = new FontFamily("Helvetica");
                        break;
                    case "Times Roman":
                        FontFamilyItem = new FontFamily("Times Roman");
                        break;
                }
            }
        }

        private void ResetColorCheckedBtn(object obj)
        {
            if (obj != null)
            {
                var str = obj as string;
                if (str != null)
                {
                    switch (str)
                    {
                        case "One":
                            BorderColor = ResetColorOne.BorderColor.Color;
                            ContentColor = ResetColorOne.FontColor.Color;
                            FillColor = ResetColorOne.FillColor.Color;
                            break;

                        case "Two":
                            BorderColor = ResetColorTwo.BorderColor.Color;
                            ContentColor = ResetColorTwo.FontColor.Color;
                            FillColor = ResetColorTwo.FillColor.Color;
                            break;

                        case "Three":
                            BorderColor = ResetColorThree.BorderColor.Color;
                            ContentColor = ResetColorThree.FontColor.Color;
                            FillColor = ResetColorThree.FillColor.Color;
                            break;

                        case "Forth":
                            BorderColor = ResetColorForth.BorderColor.Color;
                            ContentColor = ResetColorForth.FontColor.Color;
                            FillColor = ResetColorForth.FillColor.Color;
                            break;
                    }
                }
            }
        }

        public event EventHandler<int> SelectResetColorBtnHandler;
        private void UpdataSelectResetColorBtn()
        {
            int result = 0;
            if (UpdataSelectResetColor(ResetColorOne))
            {
                result = 1;
            }
            else if (UpdataSelectResetColor(ResetColorTwo))
            {
                result = 2;
            }
            else if (UpdataSelectResetColor(ResetColorThree))
            {
                result = 3;
            }
            else if (UpdataSelectResetColor(ResetColorForth))
            {
                result = 4;
            }

            SelectResetColorBtnHandler?.Invoke(null, result);
        }

        private bool UpdataSelectResetColor(ResetColor reset)
        {
            if (reset.FillColor.Color == FillColor &&
                reset.FontColor.Color == ContentColor &&
                reset.BorderColor.Color == BorderColor
                )
            {
                return true;
            }

            return false;
        }

        private void ResetColorEvent(object obj)
        {
            //if(obj != null && (ResetColor)obj != null)
            // {
            //     var resetcolor = obj as ResetColor;

            // }

            bool result = true;
            DialogParameters value = new DialogParameters();
            value.Add(ParameterNames.PDFViewer, PDFViewer);
            dialogs.ShowDialog(DialogNames.EditPresetColorsDialog, value, e =>
            {
                if (e.Result != ButtonResult.OK)
                {
                    result = false;
                }
                EditPresetColorsDialogViewModel DialogVM = e.Parameters.GetValue<EditPresetColorsDialogViewModel>(ParameterNames.DataModel);
                if (DialogVM != null)
                {
                   // CreateSignature(DialogVM);
                }
            });
            if (!result)
            {
                return;
            }
        }

        private void ThicknessChanged(object obj)
        {
            if(obj != null)
            {
                BorderThiness = (double)obj;
            }
        }


        #endregion


        #region 一般处理
        private void NameTextChanged(string obj)
        {
            if(string.IsNullOrEmpty(obj) == false && IsCurrentWidget == true)
            {
                NameStr = obj;

            }
        }

        private void ToolTipTextChanged(string obj)
        {
            if (string.IsNullOrEmpty(obj) == false)
            {
                ToolTipStr = obj;
            }
        }

        private void IsReadOnlyChecked(object obj)
        {
            if(obj is bool)
            {
                IsReadOnly = (bool)obj;
            }
        }


        private void RequiredFieldChecked(object obj)
        {
            if (obj is bool)
            {
                IsRequiredField = (bool)obj;
            }
        }
        #endregion

        #region 外观处理

        #endregion

        #region 选项处理

        #endregion

        #region Navegation
        public bool IsNavigationTarget(NavigationContext navigationContext)
        {
            return true;
        }

        public void OnNavigatedFrom(NavigationContext navigationContext)
        {
            isCreateWidget = false;
            IsCurrentWidget = false;
            textBoxArgs = null;
        }

        public void OnNavigatedTo(NavigationContext navigationContext)
        {
            navigationContext.Parameters.TryGetValue<CPDFViewer>(ParameterNames.PDFViewer, out PDFViewer);
            navigationContext.Parameters.TryGetValue<UpdateAttributeHelper>(ParameterNames.AnnotEvent, out AttribEvent);
            navigationContext.Parameters.TryGetValue<WidgetTextBoxArgs>("WidgetArgs", out textBoxArgs);
           
            GetWidgeText();
            UpdataSelectResetColorBtn();
        }
        bool isCreateWidget = false;
        private void GetWidgeText()
        {

            //新建的form表单
            if (textBoxArgs == null)
            {
                PDFViewer.SetMouseMode(MouseModes.FormEditTool);
                WidgetTextBoxArgs textArgs = new WidgetTextBoxArgs();
                textArgs.BgColor = Colors.LightGray;
                textArgs.FieldName = "TextBox";
                textBoxArgs = textArgs;
                PDFViewer.SetToolParam(textBoxArgs);
                isCreateWidget = true;
            }
            else
            {
                PDFViewer.SetToolParam(new AnnotHandlerEventArgs());
                isCreateWidget = false;
            }

            GetProperty();
            IsCurrentWidget = true;
        }
        private void GetProperty()
        {
            if (textBoxArgs != null)
            {
                NameStr = textBoxArgs.FieldName;
                IsRequiredField = textBoxArgs.IsRequired;
                IsMultiLine = textBoxArgs.IsMultiLine;
                IsLocked = textBoxArgs.Locked;
                ToolTipStr = textBoxArgs.Tooltip;
                FillColor = textBoxArgs.BgColor;
                ContentColor = textBoxArgs.FontColor;
                BorderColor = textBoxArgs.LineColor;
                BorderThiness = textBoxArgs.LineWidth;
                BorderStyle = textBoxArgs.BorderStyle;
                //避免BorderStyle跟上一个值相同，而没触发更改IsSolid属性
                if (BorderStyle == C_BORDER_STYLE.BS_SOLID)
                    IsSolid = true;
                else
                    IsSolid = false;
            }
        }
        //更改基类公共属性后，触发的事件
        private void ChangeValue(object sender, FormAttributeType e)
        {

            switch (e)
            {
                case FormAttributeType.Name:
                    textBoxArgs.FieldName = NameStr;
                    AttribEvent?.UpdateAttrib(AnnotAttrib.FieldName, NameStr);
                    break;

                case FormAttributeType.ToolTip:
                    textBoxArgs.Tooltip = ToolTipStr;
                    AttribEvent?.UpdateAttrib(AnnotAttrib.Tooltip, ToolTipStr);
                    break;

                case FormAttributeType.IsSolid:
                    textBoxArgs.BorderStyle = BorderStyle;
                    AttribEvent?.UpdateAttrib(AnnotAttrib.LineStyle, BorderStyle);
                    break;

                case FormAttributeType.IsLocked:
                    textBoxArgs.Locked = IsLocked;
                    AttribEvent?.UpdateAttrib(AnnotAttrib.Locked, IsLocked);
                    break;

                case FormAttributeType.HeightSize:
                    textBoxArgs.Height = HeightSize;
                    //AttribEvent?.UpdateAttrib(AnnotAttrib.w, HeightSize);
                    break;

                case FormAttributeType.BorderThiness:
                    textBoxArgs.LineWidth = BorderThiness;
                    AttribEvent?.UpdateAttrib(AnnotAttrib.Thickness, BorderThiness);
                    break;

                case FormAttributeType.BorderColor:
                    textBoxArgs.BgColor = BorderColor;
                    AttribEvent?.UpdateAttrib(AnnotAttrib.Color, BorderColor);
                    break;

                case FormAttributeType.ContentColor:
                    textBoxArgs.FontColor = ContentColor;
                    AttribEvent?.UpdateAttrib(AnnotAttrib.FontColor, ContentColor);
                    break;
                case FormAttributeType.FillColor:
                    textBoxArgs.BgColor = FillColor;
                    AttribEvent?.UpdateAttrib(AnnotAttrib.FillColor, FillColor);
                    break;

                case FormAttributeType.IsReadOnly:
                    textBoxArgs.ReadOnly = IsReadOnly;
                    AttribEvent?.UpdateAttrib(AnnotAttrib.ReadOnly, IsReadOnly);
                    break;

                case FormAttributeType.WidthSize:
                    textBoxArgs.Width = WidthSize;

                    break;

                case FormAttributeType.IsRequiredField:
                    textBoxArgs.IsRequired = IsRequiredField;
                    AttribEvent?.UpdateAttrib(AnnotAttrib.IsRequired, IsRequiredField);
                    break;

                case FormAttributeType.FontFamily:
                    textBoxArgs.FontFamily = FontFamilyItem.Source;
                    AttribEvent?.UpdateAttrib(AnnotAttrib.FontFamily, FontFamilyItem.Source);
                    break;

            }
            AttribEvent?.UpdateAnnot();
        }

        private void ChangeFieldValue(string tag)
        {
            switch (tag)
            {
                case "FormPos":
                    textBoxArgs.FormField = FormField.Visible;
                    AttribEvent?.UpdateAttrib(AnnotAttrib.FormField, FormPos);
                    break;
                case "FontFamilyItem":
                    textBoxArgs.FontFamily = FontFamilyItem.Source;
                    AttribEvent?.UpdateAttrib(AnnotAttrib.FontFamily, FontFamilyItem.Source);
                    break;
                case "FontStyleItem":
                    textBoxArgs.FontStyle = FontStyleItem;
                    AttribEvent?.UpdateAttrib(AnnotAttrib.FontStyle, FontStyleItem);
                    break;
                case "FontWeightItem":
                    textBoxArgs.FontWeight = FontWeightItem;
                    AttribEvent?.UpdateAttrib(AnnotAttrib.FontWeight, FontWeightItem);
                    break;
                case "TextAlignmentItem":
                    textBoxArgs.Alignment = TextAlignmentItem;
                    AttribEvent?.UpdateAttrib(AnnotAttrib.TextAlign, TextAlignmentItem);
                    break;
                case "FormContent":
                    textBoxArgs.Content = FormContent;
                    AttribEvent?.UpdateAttrib(AnnotAttrib.Text, FormContent);
                    break;
                case "IsScrollText":
                    textBoxArgs.ScrollFlag = IsScrollText;
                    AttribEvent?.UpdateAttrib(AnnotAttrib.ScrollFlag, IsScrollText);
                    break;
                case "IsMultiLine":
                    textBoxArgs.IsMultiLine = IsMultiLine;
                    AttribEvent?.UpdateAttrib(AnnotAttrib.IsMutilLine, IsMultiLine);
                    break;
            }
            AttribEvent?.UpdateAnnot();
        }

        #endregion
    }
}