.NET上下左右移动操作支持多选代码,Asp.Net代码库,德仔网

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【Asp.Net】 .NET上下左右移动操作支持多选
作者:冰薇 / 发布于2015/2/28/ 535

	 public partial class FieldShowSet : System.Web.UI.Page
	 {
	 Hashtable resources = EquStatusSearch.resources;
	 private string names = null;
	 IniOperation ini = new IniOperation("i18n");

	
	 Hashtable leftSelectItems = new Hashtable(); //左边选中项集合
	 Hashtable rightSelectItems = new Hashtable(); //右边选中项集合

	 protected void Page_Load(object sender, EventArgs e)
	 {
	 if (!Page.IsPostBack)
	 {
	 names = QuarrysClass.All;
	 initi18n();

	 string[] all = string.IsNullOrEmpty(names) ? null : names.Split(',');//分割出所有列
	 hidfShows.Value = ini.IniValue("Set", "Show");
	 string include = hidfShows.Value;//获取当前页展示列
	 if (string.IsNullOrEmpty(names) || all == null)
	 {
	 //请先点加载配置信息
	 return;
	 }
	 for (int i = 0; i < all.Length; i++)//遍历所有列
	 {
	 if (include.IndexOf("@" + all[i] + "@") == -1)//当前列中不包含分割出来的列时放在不显示框中
	 {
	 leftListBox.Items.Add(new ListItem(resources[all[i]].ToString(), all[i]));
	 }
	 }
	 string[] showNames = include.Split(',');
	 string newName = string.Empty;
	 foreach (string name in showNames)
	 {
	 newName = name.Trim('@');
	 string colName = resources[newName] == null ? string.Empty : resources[newName].ToString();
	 if (!string.IsNullOrEmpty(newName))
	 {
	 rightListBox.Items.Add(new ListItem(colName, newName));
	 }
	 }
	 }
	 }

	 //调用显示和展示字段名称
	 private void initi18n()
	 {
	 this.Page.Title = string.IsNullOrEmpty(resources["ShowSetName"].ToString()) ? "字段显示设置" : resources["ShowSetName"].ToString();
	 xLabel1.Text = string.IsNullOrEmpty(resources["ShowSetNoShow"].ToString()) ? "不显示字段" : resources["ShowSetNoShow"].ToString();
	 xLabel2.Text = string.IsNullOrEmpty(resources["ShowSetShow"].ToString()) ? "显示字段" : resources["ShowSetShow"].ToString();
	 }

	 //将未显示字段 右移 到显示字段框，并清除掉不显示的选择到的项
	 protected void rbtnMove_Click(object sender, EventArgs e)
	 {
	 if (leftListBox.SelectedItem == null)
	 {
	 return;
	 }
	 leftSelectItems.Clear();
	 foreach (ListItem item in leftListBox.Items)
	 {
	 if (item.Selected)
	 {
	 if (!leftSelectItems.ContainsKey(item.Value))
	 {
	 leftSelectItems.Add(item.Value, item.Text);
	 }
	 }
	 }
	 foreach (DictionaryEntry v in leftSelectItems)
	 {
	 leftListBox.Items.Remove(new ListItem(v.Value.ToString(),v.Key.ToString()));
	 rightListBox.Items.Add(new ListItem(v.Value.ToString(), v.Key.ToString()));
	 }
	 }

	 //将显示字段 左移 到未显示字段框，并清除掉显示的选择到的项
	 protected void lbtnMove_Click(object sender, EventArgs e)
	 {
	 if (rightListBox.SelectedItem == null)
	 {
	 return;
	 }
	 rightSelectItems.Clear();
	 foreach (ListItem item in rightListBox.Items)
	 {
	 if (item.Selected)
	 {
	 if (!rightSelectItems.ContainsKey(item.Value))
	 {
	 rightSelectItems.Add(item.Value, item.Text);
	 }
	 }
	 }
	 foreach (DictionaryEntry v in rightSelectItems)
	 {
	 rightListBox.Items.Remove(new ListItem(v.Value.ToString(), v.Key.ToString()));
	 leftListBox.Items.Add(new ListItem(v.Value.ToString(), v.Key.ToString()));
	 }
	 }

	 //将左边所有不显示项加到右边的显示项中
	 protected void btnAllLMove_Click(object sender, EventArgs e)
	 {
	 foreach (ListItem item in leftListBox.Items)
	 {
	 rightListBox.Items.Add(item);
	 }
	 leftListBox.Items.Clear();
	 }

	 //将右边所有不显示项加到左边的显示项中
	 protected void btnAllRMove_Click(object sender, EventArgs e)
	 {
	 foreach (ListItem item in rightListBox.Items)
	 {
	 leftListBox.Items.Add(item);
	 }
	 rightListBox.Items.Clear();
	 }

	
	 //点击设置按钮事件，
	 protected void btnSet_Click(object sender, EventArgs e)
	 {
	 try
	 {
	 string str = "";
	 for (int i = 0; i < rightListBox.Items.Count; i++)//循环添加显示项组成字符串
	 {
	 str += "@" + rightListBox.Items[i].Value + "@,";
	 }
	 if ("".Equals(str))//如果显示项为空直接清除显示页面的所有字段
	 {
	 QuarrysClass.Shows = "";
	 }
	 else
	 {
	 //重新复制显示字段到显示页面
	 QuarrysClass.Shows = str.Substring(0, str.Length - 1);
	 }
	 //调用主页面将显示字段写入到i18n文件中
	 ini.IniWriteValue("Set", "Show", QuarrysClass.Shows);
	 Page.ClientScript.RegisterStartupScript(this.GetType(), "warn", "alert('设置成功！');window.opener.searchData();window.close();", true);

	 }
	 catch (Exception ex)
	 {
	 string strScript = string.Format("alert('设置失败！{0}');", ex.Message);
	 Page.ClientScript.RegisterStartupScript(this.GetType(), "warn", strScript, true);
	 }
	 }

	 /*************************************************************************/

	 /// <summary>
	 /// 得到选定项的值
	 /// </summary>
	 /// <returns></returns>
	 protected string[] getSelectedValue()
	 {
	 ArrayList a = new ArrayList();
	 for (int i = 0; i < rightListBox.Items.Count; i++)
	 {
	 if (rightListBox.Items[i].Selected)
	 {
	 a.Add(i);
	 }
	 }
	 int[] indices = new int[a.Count]; //得到选中项的索引集合
	 a.CopyTo(indices);

	 string[] strs = new string[indices.Length];
	 for (int i = 0; i < indices.Length; i++)
	 {
	 strs[i] = rightListBox.Items[indices[i]].Value;
	 }

	 return strs;
	 }

	 /// <summary>
	 /// 得到选定项的内容
	 /// </summary>
	 /// <returns></returns>
	 protected string[] getSelectedText()
	 {
	 ArrayList a = new ArrayList();
	 for (int i = 0; i < rightListBox.Items.Count; i++)
	 {
	 if (rightListBox.Items[i].Selected)
	 {
	 a.Add(i);
	 }
	 }
	 int[] indices = new int[a.Count]; //得到选中项的索引集合
	 a.CopyTo(indices);
	 string[] strs = new string[indices.Length];
	 for (int i = 0; i < indices.Length; i++)
	 {
	 strs[i] = rightListBox.Items[indices[i]].Text;
	 }
	 return strs;
	 }

	
	 //上移
	 protected void btnUp_Click(object sender, EventArgs e)
	 {
	 UpMove();
	 }

	 //下移
	 protected void btnDown_Click(object sender, EventArgs e)
	 {
	 DownMove();
	 }

	 void UpMove()
	 {
	 if (rightListBox.SelectedIndex > 0)
	 {
	 string[] newValue = getSelectedValue();
	 string[] newText = getSelectedText();

	 ArrayList a = new ArrayList();
	 for (int i = 0; i < rightListBox.Items.Count; i++)
	 {
	 if (rightListBox.Items[i].Selected)
	 {
	 a.Add(i);
	 }
	 }
	 int[] indices = new int[a.Count]; //得到选中项的索引集合
	 a.CopyTo(indices);

	 for (int i = 0; i < indices.Length; i++)
	 {
	 int newIndex = indices[i];
	 //交换位置
	 rightListBox.Items[newIndex].Value = rightListBox.Items[newIndex - 1].Value;
	 rightListBox.Items[newIndex].Text = rightListBox.Items[newIndex - 1].Text;
	 rightListBox.Items[newIndex - 1].Value = newValue[i];
	 rightListBox.Items[newIndex - 1].Text = newText[i];

	 rightListBox.Items[newIndex - 1].Selected = true;
	 rightListBox.Items[newIndex].Selected = false;
	 }
	 rightListBox.Items[indices[indices.Length - 1]].Selected = false;
	 }
	 }

	 void DownMove()
	 {
	 string[] newValue = getSelectedValue();
	 string[] newText = getSelectedText();

	 ArrayList a = new ArrayList();
	 for (int i = 0; i < rightListBox.Items.Count; i++)
	 {
	 if (rightListBox.Items[i].Selected)
	 {
	 a.Add(i);
	 }
	 }
	 int[] indices = new int[a.Count]; //得到选中项的索引集合
	 a.CopyTo(indices);

	 if (indices[a.Count - 1] < rightListBox.Items.Count - 1) //选中项的最大索引小于列表总项数
	 {
	 for (int i = indices.Length - 1; i >= 0; i--)
	 {
	 int newIndex = indices[i];

	 //交换位置
	 rightListBox.Items[newIndex].Value = rightListBox.Items[newIndex + 1].Value;
	 rightListBox.Items[newIndex].Text = rightListBox.Items[newIndex + 1].Text;
	 rightListBox.Items[newIndex + 1].Value = newValue[i];
	 rightListBox.Items[newIndex + 1].Text = newText[i];

	 rightListBox.Items[newIndex + 1].Selected = true;
	 rightListBox.Items[newIndex].Selected = false;
	 }
	 rightListBox.Items[indices[0]].Selected = false;
	 }
	 }

	 void TopMove()
	 {
	 string[] newValue = getSelectedValue();
	 string[] newText = getSelectedText();

	 ArrayList a = new ArrayList();
	 for (int i = 0; i < rightListBox.Items.Count; i++)
	 {
	 if (rightListBox.Items[i].Selected)
	 {
	 a.Add(i);
	 }
	 }
	 int[] indices = new int[a.Count]; //得到选中项的索引集合
	 a.CopyTo(indices);

	 for (int i = 0; i < indices.Length; i++)
	 {
	 int newIndex = indices[i];

	 for (int j = newIndex - 1; j >= 0; j--)
	 {
	 rightListBox.Items[j + 1].Text = rightListBox.Items[j].Text;
	 rightListBox.Items[j + 1].Value = rightListBox.Items[j].Value;
	 }
	 rightListBox.Items[0].Value = newValue[indices.Length - 1 - i];
	 rightListBox.Items[0].Text = newText[indices.Length - 1 - i];

	 rightListBox.Items[newIndex].Selected = false;
	 rightListBox.Items[i].Selected = true;
	 }
	 }

	 void BottomMove()
	 {
	 string[] newValue = getSelectedValue();
	 string[] newText = getSelectedText();

	 ArrayList a = new ArrayList();
	 for (int i = 0; i < rightListBox.Items.Count; i++)
	 {
	 if (rightListBox.Items[i].Selected)
	 {
	 a.Add(i);
	 }
	 }
	 int[] indices = new int[a.Count]; //得到选中项的索引集合
	 a.CopyTo(indices);

	 for (int i = indices.Length - 1; i >= 0; i--)
	 {
	 int newIndex = indices[i];

	 //获取总的数目
	 int newCount = rightListBox.Items.Count;

	 for (int j = newIndex; j < newCount - 1; j++)
	 {
	 rightListBox.Items[j].Text = rightListBox.Items[j + 1].Text;
	 rightListBox.Items[j].Value = rightListBox.Items[j + 1].Value;
	 }
	 rightListBox.Items[newCount - 1].Value = newValue[indices.Length - 1 - i];
	 rightListBox.Items[newCount - 1].Text = newText[indices.Length - 1 - i];

	 rightListBox.Items[newIndex].Selected = false;
	 rightListBox.Items[newCount - 1 - (indices.Length - 1 - i)].Selected = true;
	 }
	 }

	 protected void btnTop_Click(object sender, EventArgs e)
	 {
	 TopMove();
	 }

	 protected void btnBottom_Click(object sender, EventArgs e)
	 {
	 BottomMove();
	 }
	 }
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