Windows Mobile

开发平台：
Windows_Unix

FormChannel.cs：源码内容
							﻿using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Xml;
namespace _3ESoft.WindowsMobile.RSS
{
    public partial class FormChannel : Form
    {
        RssType opType = RssType.Channel;
        bool isNew = true;
        /// <summary>
        /// 要编辑的ChannelName
        /// </summary>
        public string OldChannelName { get; set; }
        /// <summary>
        /// 要编辑的Rss节点Opml对象
        /// </summary>
        public Opml oldOpml { get; set; }
        public FormChannel(RssType type, bool _isNew)
        {
            InitializeComponent();
            opType = type;
            isNew = _isNew;
            if (opType == RssType.Channel)
            {
                pChannel.Dock = DockStyle.Fill;
                pChannel.BringToFront();
                if (isNew)
                    this.Text = "新建频道分类";
                else
                    this.Text = "频道分类重命名";
            }
            else
            {
                pRss.Dock = DockStyle.Fill;
                pRss.BringToFront();
                if (isNew)
                    this.Text = "新建频道";
                else
                    this.Text = "频道编辑";
            }
        }
        private void miSave_Click(object sender, EventArgs e)
        {
            if (opType == RssType.Channel)
            {
                if (isNew)
                {
                    if (!OpmlHelper.ChannelAdd(txtChannelName.Text))
                    {
                        MessageBox.Show("添加类别失败!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk, MessageBoxDefaultButton.Button1);
                        return;
                    }
                }
                else
                {
                    if (!OpmlHelper.ChannelReName(OldChannelName, txtChannelName.Text))
                    {
                        MessageBox.Show("类别修改失败!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk, MessageBoxDefaultButton.Button1);
                        return;
                    }
                }
            }
            else if (opType == RssType.Rss)
            {
                if (cbChannels.Text.Trim() == "" || txtRssTitle.Text.Trim() == "")
                {
                    MessageBox.Show("类别和标题都不能为空!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk, MessageBoxDefaultButton.Button1);
                    return;
                }
                Opml opml = new Opml() { XmlUrl = txtRssUrl.Text, Text = txtRssTitle.Text, Type = RssType.Rss };
                if (isNew)
                {
                    if (!OpmlHelper.RSSAdd(cbChannels.Text, opml))
                    {
                        MessageBox.Show("添加频道失败!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk, MessageBoxDefaultButton.Button1);
                        return;
                    }
                }
                else
                {
                    if (!OpmlHelper.RSSEdit(OldChannelName, cbChannels.Text, oldOpml, opml))
                    {
                        MessageBox.Show("编辑频道失败!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk, MessageBoxDefaultButton.Button1);
                        return;
                    }
                }
            }
            else
            {
                MessageBox.Show("类别不对!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk, MessageBoxDefaultButton.Button1);
                return;
            }
            MessageBox.Show("操作成功!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk, MessageBoxDefaultButton.Button1);
                this.Close();
        }
        private void miCancel_Click(object sender, EventArgs e)
        {
            this.Close();
        }
        private void btnGetRssTitle_Click(object sender, EventArgs e)
        {
            Cursor.Current = Cursors.WaitCursor;
            Cursor.Show();
             XmlDocument XmlRSS = new XmlDocument();
             try
             {
                 XmlRSS.Load(txtRssUrl.Text);
                 XmlNode ChannelNode;
                 ChannelNode = XmlRSS.SelectSingleNode("/rss/channel");
                 if (ChannelNode["title"] != null)
                     txtRssTitle.Text = ChannelNode["title"].InnerText;
                 else
                     MessageBox.Show("没有找到名称，RSS源出错!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk, MessageBoxDefaultButton.Button1);
             }
             catch
             {
                 MessageBox.Show("没有找到RSS源，连结失败。请检查Rss的URL!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Asterisk, MessageBoxDefaultButton.Button1); 
             }
             Cursor.Current = Cursors.Default;
        }
        private void FormChannel_Load(object sender, EventArgs e)
        {
            Cursor.Current = Cursors.WaitCursor;
            Cursor.Show();
            Application.DoEvents();
            List<OpmlChannel> oChannelList = OpmlHelper.GetChannelList();
            if (oChannelList != null)
            {
                cbChannels.DataSource = oChannelList;
                cbChannels.DisplayMember = "Title";
                cbChannels.ValueMember = "ID";
            }
            Cursor.Current = Cursors.Default;
        }
    }
}

						