using DevExpress.XtraLayout.Utils;
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using Gs.DevApp.ToolBox;
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using System;
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using System.Windows.Forms;
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namespace UserControls.Data
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{
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public partial class UcPageBar : UserControl
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{
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public delegate void
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GetPageDataEvents(int curPage, int pageSize); //定义委托
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public UcPageBar()
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{
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InitializeComponent();
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this.cbxRowCount.Text = "50";
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this.cbxRowCount.SelectedIndexChanged += new System.EventHandler(this.cbxRowCount_SelectedIndexChanged);
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}
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public event GetPageDataEvents PagerEvent; //定义事件
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//选择每页显示条数
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private void cbxRowCount_SelectedIndexChanged(object sender,
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EventArgs e)
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{
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int _RowsCount = Convert.ToInt32(cbxRowCount.Text);
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CurrentPage = 1;
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if (PagerEvent != null)
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if (_RowsCount > 0 && _RowsCount > 0)
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BtnEvents(sender, e);
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}
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//手动输入显示页面编号
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private void tbxCurrentPage_KeyDown(object sender, KeyEventArgs e)
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{
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if (e.KeyCode == Keys.Enter)
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{
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var page = Convert.ToInt32(tbxCurrentPage.Text);
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if (page < 1)
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CurrentPage = 1;
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else if (page > TotalPages)
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CurrentPage = TotalPages;
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else
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CurrentPage = page;
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if (PagerEvent != null)
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BtnEvents(sender, e);
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}
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}
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//点击首页按钮
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private void lbFirstPage_Click(object sender, EventArgs e)
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{
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if (CurrentPage == 1)
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return;
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CurrentPage = 1;
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if (PagerEvent != null)
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BtnEvents(sender, e);
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}
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//点击上一页按钮
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private void lbPrePage_Click(object sender, EventArgs e)
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{
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if (CurrentPage == 1)
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return;
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if (CurrentPage <= TotalPages) CurrentPage -= 1;
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if (PagerEvent != null)
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BtnEvents(sender, e);
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}
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//点击下一页按钮
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private void lbNextPage_Click(object sender, EventArgs e)
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{
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if (CurrentPage == TotalPages)
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return;
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if (CurrentPage < TotalPages) CurrentPage += 1;
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if (PagerEvent != null)
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BtnEvents(sender, e);
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}
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//末页按钮
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private void lbEnd_Click(object sender, EventArgs e)
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{
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if (CurrentPage == TotalPages)
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return;
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CurrentPage = TotalPages;
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if (PagerEvent != null)
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BtnEvents(sender, e);
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}
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private void BtnEvents(object sender, EventArgs e)
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{
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PagerEvent(CurrentPage, RowsCount);
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}
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public void setTxt()
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{
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tbxCurrentPage.Text = CurrentPage.ToString();
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lbTotalPages.Text = "共 " + TotalPages + "页";
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lbTotalRows.Text = "共 " + RecordCount + " 条记录";
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if (RowsCount > 0)
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cbxRowCount.Text = RowsCount.ToString();
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if (CurrentPage == 1)
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lbFirstPage.Enabled = false;
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else
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lbFirstPage.Enabled = true;
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if (CurrentPage == TotalPages)
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lbEnd.Enabled = false;
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else
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lbEnd.Enabled = true;
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if (CurrentPage == 1)
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lbPrePage.Enabled = false;
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else
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lbPrePage.Enabled = true;
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if (CurrentPage == TotalPages)
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lbNextPage.Enabled = false;
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else
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lbNextPage.Enabled = true;
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}
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public void setBar(bool _IsAll)
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{
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if (_IsAll == false)
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{
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layoutControlItem6.Visibility = LayoutVisibility.Never;
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emptySpaceItem4.Visibility = LayoutVisibility.Never;
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layoutControlItem12.Visibility = LayoutVisibility.Never;
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emptySpaceItem1.Visibility = LayoutVisibility.Never;
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layoutControlItem7.Visibility = LayoutVisibility.Never;
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emptySpaceItem3.Visibility = LayoutVisibility.Never;
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layoutControlItem2.Visibility = LayoutVisibility.Never;
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layoutControlItem3.Visibility = LayoutVisibility.Never;
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layoutControlItem5.Visibility = LayoutVisibility.Never;
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layoutControlItem4.Visibility = LayoutVisibility.Never;
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}
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}
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#region 定义属性
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/// <summary>
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/// 总页数
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/// </summary>
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public int TotalPages { get; set; }
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/// <summary>
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/// 当前页
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/// </summary>
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public int CurrentPage { get; set; }
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/// <summary>
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/// 每页条数
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/// </summary>
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public int RowsCount { get { return int.Parse(this.cbxRowCount.Text); } }
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int _RecordCount;
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/// <summary>
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/// 总记录数
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/// </summary>
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public int RecordCount
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{
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get { return _RecordCount; }
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set
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{
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_RecordCount = value;
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setTxt();
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}
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}
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#endregion
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}
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}
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