.NET支持上下左右移动操作
public partial class ShowSet : System.Web.UI.Page
{
Hashtable resources = EquStatusSearch.resources;
private string names = null;
IniOperation ini = new IniOperation("i18n");
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
{
xListBox1.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))
{
xListBox2.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 xButton1_Click(object sender, EventArgs e)
{
if (xListBox1.SelectedItem == null)
{
return;
}
xListBox2.Items.Add(xListBox1.SelectedItem);
xListBox1.Items.Remove(xListBox1.SelectedItem);
}
//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 xButton2_Click(object sender, EventArgs e)
{
if (xListBox2.SelectedItem == null)
{
return;
}
xListBox1.Items.Add(xListBox2.SelectedItem);
xListBox2.Items.Remove(xListBox2.SelectedItem);
}
//将左边所有不显示项加到右边的显示项中
protected void xButton3_Click(object sender, EventArgs e)
{
foreach (ListItem item in xListBox1.Items)
{
xListBox2.Items.Add(item);
}
xListBox1.Items.Clear();
}
//将右边所有不显示项加到左边的显示项中
protected void xButton4_Click(object sender, EventArgs e)
{
foreach (ListItem item in xListBox2.Items)
{
xListBox1.Items.Add(item);
}
xListBox2.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 < xListBox2.Items.Count; i++)//循环添加显示项组成字符串
{
str += "@" + xListBox2.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);
}
}
//上移
protected void btnUp_Click(object sender, EventArgs e)
{
UpMove(xListBox2);
}
//下移
protected void btnDown_Click(object sender, EventArgs e)
{
DownMove(xListBox2);
}
void UpMove(ListBox ListBox2)
{
//若不是第一行则上移
if (ListBox2.SelectedIndex > 0)
{
string name = ListBox2.SelectedItem.Text;
string ID = ListBox2.SelectedItem.Value;
int index = ListBox2.SelectedIndex;
ListBox2.SelectedItem.Text = ListBox2.Items[index - 1].Text;
ListBox2.SelectedItem.Value = ListBox2.Items[index - 1].Value;
ListBox2.Items[index - 1].Text = name;
ListBox2.Items[index - 1].Value = ID;
ListBox2.SelectedIndex--;
}
}
void DownMove(ListBox lbox)
{
if (lbox.SelectedIndex < lbox.Items.Count - 1)
{
string name = lbox.SelectedItem.Text;
string ID = lbox.SelectedItem.Value;
int index = lbox.SelectedIndex;
lbox.SelectedItem.Text = lbox.Items[index + 1].Text;
lbox.SelectedItem.Value = lbox.Items[index + 1].Value;
lbox.Items[index + 1].Text = name;
lbox.Items[index + 1].Value = ID;
lbox.SelectedIndex++;
}
}
void TopMove(ListBox lbox)
{
int index = 0;
ListItem item = lbox.SelectedItem;
lbox.Items.Remove(item);
lbox.Items.Insert(index, item);
}
void BottomMove(ListBox lbox)
{
int index = lbox.Items.Count - 1;
ListItem item = lbox.SelectedItem;
lbox.Items.Remove(item);
lbox.Items.Insert(index, item);
}
protected void btnTop_Click(object sender, EventArgs e)
{
TopMove(xListBox2);
}
protected void btnBottom_Click(object sender, EventArgs e)
{
BottomMove(xListBox2);
}
}
补充：Web开发 , ASP.Net ,
