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using System.Text;
using System.Collections;
using System.Collections.Specialized;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Collections.Generic;
namespace SiteServer.Utils
{
/// <summary>
/// 对控件的帮助类
/// </summary>
public class ControlUtils
{
private ControlUtils()
{
}
/// <summary>
/// 得到代表控件的HTML代码
/// </summary>
/// <param name="control">控件</param>
/// <returns></returns>
public static string GetControlRenderHtml(Control control)
{
if (control == null) return string.Empty;
var builder = new StringBuilder();
var sw = new System.IO.StringWriter(builder);
var htw = new HtmlTextWriter(sw);
control.RenderControl(htw);
return builder.ToString();
}
public static string GetControlRenderHtml(Control control, Page page)
{
if (control == null) return string.Empty;
var builder = new StringBuilder();
control.Page = page;
control.DataBind();
var sw = new System.IO.StringWriter(builder);
var htw = new HtmlTextWriter(sw);
control.RenderControl(htw);
return builder.ToString();
}
/// <summary>
/// 如果此控件不存在此属性，将属性添加到控件中
/// </summary>
/// <param name="accessor">控件</param>
/// <param name="attributes">属性集合</param>
public static void AddAttributesIfNotExists(IAttributeAccessor accessor, Dictionary<string, string> attributes)
{
if (accessor == null || attributes == null) return;
foreach (var key in attributes.Keys)
{
if (accessor.GetAttribute(key) == null)
{
accessor.SetAttribute(key, attributes[key]);
}
}
}
/// <summary>
/// 如果此控件不存在此属性，将属性添加到控件中
/// </summary>
/// <param name="accessor"></param>
/// <param name="attributeName"></param>
/// <param name="attributeValue"></param>
public static void AddAttributeIfNotExists(IAttributeAccessor accessor, string attributeName, string attributeValue)
{
if (accessor == null || attributeName == null) return;
if (accessor.GetAttribute(attributeName) == null)
{
accessor.SetAttribute(attributeName, attributeValue);
}
}
/// <summary>
/// 将属性添加到控件中
/// </summary>
/// <param name="accessor">控件</param>
/// <param name="attributes">属性集合</param>
public static void AddAttributes(IAttributeAccessor accessor, StringDictionary attributes)
{
if (accessor == null || attributes == null) return;
foreach (string key in attributes.Keys)
{
accessor.SetAttribute(key, attributes[key]);
}
}
/// <summary>
/// 将属性添加到控件中
/// </summary>
/// <param name="accessor"></param>
/// <param name="attributeName"></param>
/// <param name="attributeValue"></param>
public static void AddAttribute(IAttributeAccessor accessor, string attributeName, string attributeValue)
{
if (accessor != null && attributeName != null)
{
accessor.SetAttribute(attributeName, attributeValue);
}
}
public static void AddListControlItems(ListControl listControl, List<string> list)
{
if (listControl == null) return;
foreach (var value in list)
{
var item = new ListItem(value, value);
listControl.Items.Add(item);
}
}
public static string[] GetSelectedListControlValueArray(ListControl listControl)
{
var arraylist = new ArrayList();
if (listControl != null)
{
foreach (ListItem item in listControl.Items)
{
if (item.Selected)
{
arraylist.Add(item.Value);
}
}
}
var retval = new string[arraylist.Count];
arraylist.CopyTo(retval);
return retval;
}
public static string GetSelectedListControlValueCollection(ListControl listControl)
{
var list = new List<string>();
if (listControl != null)
{
foreach (ListItem item in listControl.Items)
{
if (item.Selected)
{
list.Add(item.Value);
}
}
}
return TranslateUtils.ObjectCollectionToString(list);
}
public static ArrayList GetSelectedListControlValueArrayList(ListControl listControl)
{
var arraylist = new ArrayList();
if (listControl != null)
{
foreach (ListItem item in listControl.Items)
{
if (item.Selected)
{
arraylist.Add(item.Value);
}
}
}
return arraylist;
}
public static ArrayList GetSelectedListControlValueIntArrayList(ListControl listControl)
{
var arraylist = new ArrayList();
if (listControl != null)
{
foreach (ListItem item in listControl.Items)
{
if (item.Selected)
{
arraylist.Add(TranslateUtils.ToInt(item.Value));
}
}
}
return arraylist;
}
public static List<string> GetSelectedListControlValueStringList(ListControl listControl)
{
var list = new List<string>();
if (listControl != null)
{
foreach (ListItem item in listControl.Items)
{
if (item.Selected)
{
list.Add(item.Value);
}
}
}
return list;
}
public static List<int> GetSelectedListControlValueIntList(ListControl listControl)
{
var list = new List<int>();
if (listControl != null)
{
foreach (ListItem item in listControl.Items)
{
if (item.Selected)
{
list.Add(TranslateUtils.ToInt(item.Value));
}
}
}
return list;
}
public static string[] GetListControlValues(ListControl listControl)
{
var arraylist = new ArrayList();
if (listControl != null)
{
foreach (ListItem item in listControl.Items)
{
arraylist.Add(item.Value);
}
}
var retval = new string[arraylist.Count];
arraylist.CopyTo(retval);
return retval;
}
public static void SelectSingleItem(ListControl listControl, string value)
{
if (listControl == null) return;
listControl.ClearSelection();
foreach (ListItem item in listControl.Items)
{
if (string.Equals(item.Value, value))
{
item.Selected = true;
break;
}
}
}
public static void SelectSingleItemIgnoreCase(ListControl listControl, string value)
{
if (listControl == null) return;
listControl.ClearSelection();
foreach (ListItem item in listControl.Items)
{
if (StringUtils.EqualsIgnoreCase(item.Value, value))
{
item.Selected = true;
break;
}
}
}
public static void SelectMultiItems(ListControl listControl, params string[] values)
{
if (listControl == null) return;
listControl.ClearSelection();
foreach (ListItem item in listControl.Items)
{
foreach (var value in values)
{
if (string.Equals(item.Value, value))
{
item.Selected = true;
break;
}
}
}
}
public static void SelectMultiItems(ListControl listControl, List<string> values)
{
if (listControl == null) return;
listControl.ClearSelection();
foreach (ListItem item in listControl.Items)
{
foreach (var value in values)
{
if (string.Equals(item.Value, value))
{
item.Selected = true;
break;
}
}
}
}
public static void SelectMultiItems(ListControl listControl, List<int> values)
{
if (listControl == null) return;
listControl.ClearSelection();
foreach (ListItem item in listControl.Items)
{
foreach (var intVal in values)
{
if (string.Equals(item.Value, intVal.ToString()))
{
item.Selected = true;
break;
}
}
}
}
public static void SelectMultiItemsIgnoreCase(ListControl listControl, params string[] values)
{
if (listControl == null) return;
listControl.ClearSelection();
foreach (ListItem item in listControl.Items)
{
foreach (var value in values)
{
if (StringUtils.EqualsIgnoreCase(item.Value, value))
{
item.Selected = true;
break;
}
}
}
}
public static string SelectedItemsValueToStringCollection(ListItemCollection items)
{
var builder = new StringBuilder();
if (items!= null)
{
foreach (ListItem item in items)
{
if (item.Selected)
{
builder.Append(item.Value).Append(",");
}
}
if (builder.Length != 0)
builder.Remove(builder.Length - 1, 1);
}
return builder.ToString();
}
public static Control FindControlBySelfAndChildren(string id, Control baseControl)
{
Control ctrl = null;
if (baseControl != null)
{
ctrl = baseControl.FindControl(id);
if (ctrl == baseControl) ctrl = null;//DropDownList中FindControl将返回自身
if (ctrl == null && baseControl.HasControls())
{
ctrl = FindControlByChildren(id, baseControl.Controls);
}
}
return ctrl;
}
public static Control FindControlByChildren(string id, ControlCollection controls)
{
foreach (Control control in controls)
{
var ctrl = FindControlBySelfAndChildren(id, control);
if (ctrl != null)
{
return ctrl;
}
}
return null;
}
//public static string GetInputValue(Control containerControl, string inputName)
//{
// Control control;
// return GetInputValue(containerControl, inputName, out control);
//}
///// <summary>
///// 返回null代表未找到控件。
///// </summary>
//public static string GetInputValue(Control containerControl, string inputName, out Control control)
//{
// string value = null;
// control = FindControlBySelfAndChildren(inputName, containerControl);
// if (control != null)
// {
// value = string.Empty;
// if (control is TextBox)
// {
// var input = (TextBox)control;
// value = input.Text;
// }
// else if (control is HtmlInputControl)
// {
// var input = (HtmlInputControl)control;
// value = input.Value;
// }
// else if (control is HtmlTextArea)
// {
// var input = (HtmlTextArea)control;
// value = input.Value;
// }
// else if (control is TextEditorBase)
// {
// var input = (TextEditorBase)control;
// value = input.Text;
// }
// else if (control is ListControl)
// {
// var select = (ListControl)control;
// var arraylist = GetSelectedListControlValueArrayList(select);
// value = TranslateUtils.ObjectCollectionToString(arraylist);
// }
// else if (control is HtmlSelect)
// {
// var select = (HtmlSelect)control;
// var arraylist = new ArrayList();
// foreach (ListItem item in select.Items)
// {
// if (item.Selected)
// {
// arraylist.Add(item.Value);
// }
// }
// value = TranslateUtils.ObjectCollectionToString(arraylist);
// }
// else if (control is CheckBox)
// {
// var checkBox = (CheckBox)control;
// value = checkBox.Checked.ToString();
// }
// }
// return value;
//}
//public static void SetInputValue(Control containerControl, string inputName, TableStyleInfo styleInfo)
//{
// var control = FindControlBySelfAndChildren(inputName, containerControl);
// if (control != null)
// {
// if (control is TextBox)
// {
// var input = (TextBox)control;
// if (string.IsNullOrEmpty(input.Text) && !string.IsNullOrEmpty(styleInfo.DefaultValue))
// {
// input.Text = styleInfo.DefaultValue;
// }
// }
// else if (control is HtmlInputControl)
// {
// var input = (HtmlInputControl)control;
// if (string.IsNullOrEmpty(input.Value) && !string.IsNullOrEmpty(styleInfo.DefaultValue))
// {
// input.Value = styleInfo.DefaultValue;
// }
// }
// else if (control is HtmlTextArea)
// {
// var input = (HtmlTextArea)control;
// if (string.IsNullOrEmpty(input.Value) && !string.IsNullOrEmpty(styleInfo.DefaultValue))
// {
// input.Value = styleInfo.DefaultValue;
// }
// }
// else if (control is TextEditorBase)
// {
// var input = (TextEditorBase)control;
// if (string.IsNullOrEmpty(input.Text) && !string.IsNullOrEmpty(styleInfo.DefaultValue))
// {
// input.Text = styleInfo.DefaultValue;
// }
// }
// else if (control is ListControl)
// {
// var select = (ListControl)control;
// if (select.Items.Count == 0)
// {
// var tableStyleItemInfoArrayList = BaiRongDataProvider.TableStyleItemDao.GetStyleItemInfoList(styleInfo.TableStyleId);
// if (tableStyleItemInfoArrayList != null && tableStyleItemInfoArrayList.Count > 0)
// {
// foreach (var styleItemInfo in tableStyleItemInfoArrayList)
// {
// var listItem = new ListItem(styleItemInfo.ItemTitle, styleItemInfo.ItemValue);
// listItem.Selected = styleItemInfo.IsSelected;
// select.Items.Add(listItem);
// }
// }
// }
// }
// else if (control is HtmlSelect)
// {
// var select = (HtmlSelect)control;
// if (select.Items.Count == 0)
// {
// var tableStyleItemInfoArrayList = BaiRongDataProvider.TableStyleItemDao.GetStyleItemInfoList(styleInfo.TableStyleId);
// if (tableStyleItemInfoArrayList != null && tableStyleItemInfoArrayList.Count > 0)
// {
// foreach (var styleItemInfo in tableStyleItemInfoArrayList)
// {
// var listItem = new ListItem(styleItemInfo.ItemTitle, styleItemInfo.ItemValue);
// listItem.Selected = styleItemInfo.IsSelected;
// select.Items.Add(listItem);
// }
// }
// }
// }
// }
//}
//public static void SetInputValue(Control containerControl, string inputName, string value, TableStyleInfo styleInfo)
//{
// var control = FindControlBySelfAndChildren(inputName, containerControl);
// if (control != null)
// {
// if (control is TextBox)
// {
// var input = (TextBox)control;
// input.Text = value;
// }
// else if (control is HtmlInputControl)
// {
// var input = (HtmlInputControl)control;
// input.Value = value;
// }
// else if (control is HtmlTextArea)
// {
// var input = (HtmlTextArea)control;
// input.Value = value;
// }
// else if (control is TextEditorBase)
// {
// var input = (TextEditorBase)control;
// input.Text = value;
// }
// else if (control is ListControl)
// {
// var select = (ListControl)control;
// if (select.Items.Count == 0)
// {
// var tableStyleItemInfoArrayList = BaiRongDataProvider.TableStyleItemDao.GetStyleItemInfoList(styleInfo.TableStyleId);
// if (tableStyleItemInfoArrayList != null && tableStyleItemInfoArrayList.Count > 0)
// {
// foreach (var styleItemInfo in tableStyleItemInfoArrayList)
// {
// var listItem = new ListItem(styleItemInfo.ItemTitle, styleItemInfo.ItemValue);
// listItem.Selected = styleItemInfo.IsSelected;
// select.Items.Add(listItem);
// }
// }
// }
// }
// else if (control is HtmlSelect)
// {
// var select = (HtmlSelect)control;
// if (select.Items.Count == 0)
// {
// var tableStyleItemInfoArrayList = BaiRongDataProvider.TableStyleItemDao.GetStyleItemInfoList(styleInfo.TableStyleId);
// if (tableStyleItemInfoArrayList != null && tableStyleItemInfoArrayList.Count > 0)
// {
// foreach (var styleItemInfo in tableStyleItemInfoArrayList)
// {
// var listItem = new ListItem(styleItemInfo.ItemTitle, styleItemInfo.ItemValue);
// listItem.Selected = styleItemInfo.IsSelected;
// select.Items.Add(listItem);
// }
// }
// }
// }
// }
//}
}
}