using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Drawing;
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using System.Data;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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using DevExpress.XtraEditors;
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using DevExpress.XtraGrid;
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using Gs.DevApp.ToolBox;
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namespace UserControls.Data
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{
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public partial class PageBar : UserControl
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{
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public delegate void GetPageDataEvents(int curPage, int pageSize);//定义委托
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public event GetPageDataEvents williamPagerEvent;//定义事件
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public PageBar()
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{
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InitializeComponent();
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// UtilityHelper.SetFont(layoutControl1);
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}
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#region 定义属性
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int _TotalPages;
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/// <summary>
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/// 总页数
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/// </summary>
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public int TotalPages
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{
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get { return _TotalPages; }
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set
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{
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_TotalPages = value;
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}
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}
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/// <summary>
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/// 当前页
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/// </summary>
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public int CurrentPage
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{
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get; set;
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}
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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
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{
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get; set;
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}
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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; set;
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}
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#endregion
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//选择每页显示条数
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private void cbxRowCount_SelectedIndexChanged(object sender, EventArgs e)
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{
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RowsCount = Convert.ToInt32(cbxRowCount.Text);
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CurrentPage = 1;
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if (williamPagerEvent != null)
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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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int page = Convert.ToInt32(tbxCurrentPage.Text);
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if (page < 1)
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{
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CurrentPage = 1;
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}
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else if (page > TotalPages)
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{
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CurrentPage = TotalPages;
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}
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else
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{
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CurrentPage = page;
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}
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if (williamPagerEvent != 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 (williamPagerEvent != 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)
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{
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CurrentPage -= 1;
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}
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if (williamPagerEvent != 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)
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{
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CurrentPage += 1;
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}
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if (williamPagerEvent != 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 (williamPagerEvent != 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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//setTxt();
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williamPagerEvent(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.ToString() + "页";
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lbTotalRows.Text = "共 " + RecordCount.ToString() + " 条记录";
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this.cbxRowCount.Text = this.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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}
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}
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