UserStringProperty/UserStringProperty/UI/XmlImportDialog.cs

using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Windows.Forms;
using UserStringProperty.Core;

namespace UserStringProperty.UI
{
    public enum ImportMode
    {
        Append,           // 添加新的（如果同名已存在则提示替换）
        Replace           // 完全替代现有同名属性集
    }

    public class XmlImportDialog : Form
    {
        private XmlPropertyConfig _incomingConfig;
        private ComboBox _cmbCmig;
        private ComboBox _cmbPropertySet;
        private Label _lblIncomingInfo;
        private Label _lblConflictWarning;
        private Button _btnOK;
        private Button _btnCancel;
        private string _pluginFolder;

        public ImportMode SelectedMode { get; private set; }
        public string SelectedCmigName { get; private set; }
        public string SelectedPropertySetName { get; private set; }
        public bool ShouldReplace { get; private set; }

        public XmlImportDialog(XmlPropertyConfig incoming, string pluginFolder)
        {
            _incomingConfig = incoming;
            _pluginFolder = pluginFolder;
            InitializeComponent();
            UpdateConflictWarning();
        }

        private void InitializeComponent()
        {
            this.Text = "导入属性集";
            this.Size = new Size(550, 250);
            this.StartPosition = FormStartPosition.CenterParent;
            this.FormBorderStyle = FormBorderStyle.FixedDialog;
            this.MaximizeBox = false;
            this.MinimizeBox = false;

            int y = 15;

            // 选择 Cmig
            var lblCmig = new Label
            {
                Text = "模板类型 (cmig):",
                Location = new Point(15, y),
                Size = new Size(120, 20)
            };
            this.Controls.Add(lblCmig);

            _cmbCmig = new ComboBox
            {
                Location = new Point(140, y),
                Size = new Size(380, 20),
                DropDownStyle = ComboBoxStyle.DropDownList
            };
            _cmbCmig.Items.Add(_incomingConfig.CmigName);
            _cmbCmig.SelectedIndex = 0;
            this.Controls.Add(_cmbCmig);

            y += 30;

            // 选择 PropertySet
            var lblPropertySet = new Label
            {
                Text = "属性集 (propertyset):",
                Location = new Point(15, y),
                Size = new Size(120, 20)
            };
            this.Controls.Add(lblPropertySet);

            _cmbPropertySet = new ComboBox
            {
                Location = new Point(140, y),
                Size = new Size(380, 20),
                DropDownStyle = ComboBoxStyle.DropDownList
            };
            foreach (var ps in _incomingConfig.PropertySets)
            {
                _cmbPropertySet.Items.Add(ps.Name);
            }
            if (_cmbPropertySet.Items.Count > 0)
                _cmbPropertySet.SelectedIndex = 0;
            _cmbPropertySet.SelectedIndexChanged += (s, e) => UpdateConflictWarning();
            this.Controls.Add(_cmbPropertySet);

            y += 35;

            // 即将导入的信息
            _lblIncomingInfo = new Label
            {
                Text = "",
                Location = new Point(15, y),
                Size = new Size(500, 20),
                ForeColor = Color.DarkGreen,
                Font = new Font(Font.FontFamily, 9, FontStyle.Bold)
            };
            this.Controls.Add(_lblIncomingInfo);

            y += 25;

            // 冲突警告
            _lblConflictWarning = new Label
            {
                Text = "",
                Location = new Point(15, y),
                Size = new Size(500, 20)
            };
            this.Controls.Add(_lblConflictWarning);

            y += 40;

            // 按钮
            _btnOK = new Button
            {
                Text = "确定导入",
                Location = new Point(350, y),
                Size = new Size(90, 30)
            };
            _btnOK.Click += (s, e) =>
            {
                var cmigName = _cmbCmig.SelectedItem?.ToString() ?? "";
                var psName = _cmbPropertySet.SelectedItem?.ToString() ?? "";
                var fileName = $"{cmigName}-{psName}.xml";
                var existingPath = Path.Combine(_pluginFolder, fileName);

                if (File.Exists(existingPath))
                {
                    var result = MessageBox.Show(
                        $"文件 {fileName} 已存在，是否覆盖？",
                        "确认覆盖",
                        MessageBoxButtons.YesNo,
                        MessageBoxIcon.Warning);
                    if (result != DialogResult.Yes)
                        return;
                }

                SelectedCmigName = cmigName;
                SelectedPropertySetName = psName;
                this.DialogResult = DialogResult.OK;
                this.Close();
            };
            this.Controls.Add(_btnOK);

            _btnCancel = new Button
            {
                Text = "取消",
                Location = new Point(245, y),
                Size = new Size(90, 30)
            };
            _btnCancel.Click += (s, e) =>
            {
                this.DialogResult = DialogResult.Cancel;
                this.Close();
            };
            this.Controls.Add(_btnCancel);
        }

        private void UpdateConflictWarning()
        {
            var cmigName = _cmbCmig.SelectedItem?.ToString() ?? "";
            var psName = _cmbPropertySet.SelectedItem?.ToString() ?? "";

            if (string.IsNullOrEmpty(cmigName) || string.IsNullOrEmpty(psName))
            {
                _lblIncomingInfo.Text = "";
                _lblConflictWarning.Text = "";
                return;
            }

            var fileName = $"{cmigName}-{psName}.xml";
            var existingPath = Path.Combine(_pluginFolder, fileName);
            var exists = File.Exists(existingPath);

            _lblIncomingInfo.Text = $"待导入: {cmigName}-{psName}";

            if (exists)
            {
                _lblConflictWarning.Text = $"⚠ 同名属性集已存在，将覆盖现有文件";
                _lblConflictWarning.ForeColor = Color.DarkOrange;
            }
            else
            {
                _lblConflictWarning.Text = $"✓ 同名属性集不存在，将作为新文件保存";
                _lblConflictWarning.ForeColor = Color.DarkGreen;
            }
        }

        public bool CheckReplace()
        {
            var fileName = $"{SelectedCmigName}-{SelectedPropertySetName}.xml";
            var existingPath = Path.Combine(_pluginFolder, fileName);
            return File.Exists(existingPath);
        }
    }
}