private void btnNum_Click(object sender, RoutedEventArgs e)
{
if (PageChanged != null)
{
Button btn = sender as Button;
PageControlItemModel itemModel = btn.CommandParameter as PageControlItemModel;
if (itemModel.Page != Page)
{
Page = itemModel.Page;
CalcPageNumList();
PageChangedEventArgs args = new PageChangedEventArgs(itemModel.Page);
PageChanged(sender, args);
}
}
}
/// <summary>
/// 计算页码
/// </summary>
private void CalcPageNumList()
{
PageCount = (RecordCount - 1) / PageSize + 1; //计算总页数PageCount
_list = new List <PageControlItemModel>();
//第一页
PageControlItemModel item = new PageControlItemModel(1, Page);
_list.Add(item);
//当前页码连续页码
for (int i = Page - ContinuousCount; i <= Page + ContinuousCount; i++)
{
if (i > 0 && i < PageCount)
{
item = new PageControlItemModel(i, Page);
if (!_list.Exists(a => a.Page == item.Page))
{
_list.Add(item);
}
}
}
//最后一页
item = new PageControlItemModel(PageCount, Page);
if (!_list.Exists(a => a.Page == item.Page))
{
_list.Add(item);
}
for (int i = _list.Count - 1; i > 0; i--)
{
if (_list[i].Page - _list[i - 1].Page > 1)
{
_list.Insert(i, new PageControlItemModel(0, Page, 2));
}
}
//上一页下一页
if (Page == 1)
{
this.btnPrePage.IsEnabled = false;
this.btnPrePage.Foreground = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#88dddddd"));
}
else
{
this.btnPrePage.IsEnabled = true;
this.btnPrePage.Foreground = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#fff"));
}
if (Page == PageCount)
{
this.btnNextPage.IsEnabled = false;
this.btnNextPage.Foreground = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#88dddddd"));
}
else
{
this.btnNextPage.IsEnabled = true;
this.btnNextPage.Foreground = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#fff"));
}
_collection.Clear();
_list.ForEach(a => { _collection.Add(a); });
}