实例介绍
【实例简介】
【实例截图】
【核心代码】
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;
using BudStudio.DgvColumn.Properties;
namespace BudStudio.DgvColumn.UIL.UserControls
{
/// <summary>
/// 对象名称:导航栏类
/// 对象说明:主要显示系统左侧的导航栏。
/// 作者姓名:爱英思躺
/// 编写日期:2010/07/15 01:24:32
/// </summary>
public partial class NavBar : UserControl
{
/// <summary>
/// 导航栏类的默认实例化方法,该方法在控件正式显示之前执行,
/// 可以根据需要在此方法中对 NavButtonGroup列表进行重新定义。
/// </summary>
public NavBar()
{
InitializeComponent();
////示例:根据用户角色修改导航条
//if(!NowUser.IsAdministrator) //如果不是管理员
//{
// NavButtonGroup.RemoveAt(2); //删除导航栏中第3组导般条
// NavButtonGroup[1].ImageButtons.RemoveAt(0); //删除导航栏中第2组导般条中的第1个图像按钮
//}
InitNavBar(); // 初始化导航栏,该方法必须在NavButtonGroup重新调整后执行
}
/// <summary>
/// 说明:导航栏初始的功能模块列表,可以通过定义此列表设置导航栏中的导航条及图片按扭。
/// 注意:这里定义的是一个私有的List类型变量NavButtonGroup,并不是一个私有的函数方法。
/// </summary>
private List<NavBar.ButtonGroup> NavButtonGroup = new List<NavBar.ButtonGroup>()
{
new ButtonGroup("欢迎使用")
{
ImageButtons = new List<ImageButton>()
{
new ImageButton("欢迎使用","Main",Resources.NavBtnMain),
new ImageButton("员工信息管理","ManageEmployee",Resources.NavBtnManageEmployee)
}
} ,
new ButtonGroup("系统设置")
{
ImageButtons = new List<ImageButton>()
{
new ImageButton("部门管理","ManageDepartment",Resources.NavBtnManageDepartment)
}
} ,
new ButtonGroup("退出系统")
{
}
};
#region 导航栏类中的相关属性与方法
public delegate void ButtonClickHander(object sender, string targetModule);
public event EventHandler QuitSystemClick;
public event ButtonClickHander ImageButtonClick;
/// <summary>
/// 初始化导航栏
/// </summary>
private void InitNavBar()
{
this.Dock = DockStyle.Left;
int barHeight = 22;
for (int n = 0; n < NavButtonGroup.Count; n )
{
ButtonGroup buttonGroup = NavButtonGroup[n];
buttonGroup.Left = 2;
buttonGroup.Tag = n;
buttonGroup.TitleBarClick = new EventHandler(TitleBar_Click);
buttonGroup.ImageButtonClick = new ButtonClickHander(ImageButton_Click);
buttonGroup.InitImageButtons();
PnlBackGround.Controls.Add(buttonGroup);
}
PnlBottomLine.Top = PnlBackGround.Height - (NavButtonGroup.Count - CurrentGroupIndex - 1) * barHeight;
ResetNavBar();
}
/// <summary>
/// 重新设置导航栏的布局。
/// </summary>
private void ResetNavBar()
{
int barHeight = 22;
for (int n = 0; n < NavButtonGroup.Count; n )
{
ButtonGroup buttonGroup = NavButtonGroup[n];
if (n <= CurrentGroupIndex)
{
buttonGroup.Top = 1 n * barHeight;
}
else
{
buttonGroup.Top = PnlBackGround.Height - (NavButtonGroup.Count - n) * barHeight;
}
if (n == CurrentGroupIndex)
{
buttonGroup.Height = PnlBackGround.Height - (NavButtonGroup.Count - 1) * barHeight;
}
else
{
buttonGroup.Height = barHeight;
}
}
PnlBottomLine.Top = PnlBackGround.Height - (NavButtonGroup.Count - CurrentGroupIndex - 1) * barHeight - 1;
}
/// <summary>
/// 导航条大小发生变更时,重新设置导航条的布局。
/// </summary>
private void NavBar_SizeChanged(object sender, EventArgs e)
{
ResetNavBar();
}
/// <summary>
/// 当前导航栏中选中的导航条编号
/// </summary>
private int CurrentGroupIndex = 0;
/// <summary>
/// 导航栏中的导航条单击事件处理
/// </summary>
private void TitleBar_Click(object sender, EventArgs e)
{
if (sender is ButtonGroup)
{
ButtonGroup buttonGroup = (ButtonGroup)sender;
if (buttonGroup.Text == "退出系统")
{
if (QuitSystemClick != null)
{
QuitSystemClick(buttonGroup, e);
}
return;
}
CurrentGroupIndex = (int)buttonGroup.Tag;
ResetNavBar();
}
}
/// <summary>
/// 导航栏中的图片按钮单击事件处理
/// </summary>
private void ImageButton_Click(object sender, string targetModule)
{
if (ImageButtonClick != null)
{
ImageButtonClick(sender, targetModule);
}
}
#endregion
#region 导航栏类中所定义使用的对象
/// <summary>
/// 导航栏中的导航条
/// </summary>
public class ButtonGroup : UserControl
{
public event EventHandler TitleBarClick;
public event ButtonClickHander ImageButtonClick;
public ButtonGroup(string text)
{
Text = text;
InitializeControl();
}
/// <summary>
/// 初始化导航条
/// </summary>
private void InitializeControl()
{
//
// 导航条上的标题栏
//
TitleBar.Cursor = Cursors.Hand;
TitleBar.TextAlign = ContentAlignment.MiddleCenter;
TitleBar.ForeColor = Color.FromArgb(102, 102, 102);
TitleBar.Location = new Point(0, 0);
TitleBar.Size = new Size(153, 22);
TitleBar.BackgroundImage = Resources.NavBarBG01;
TitleBar.MouseMove = new MouseEventHandler(TitleBar_MouseMove);
TitleBar.MouseLeave = new EventHandler(TitleBar_MouseLeave);
TitleBar.Click = new EventHandler(TitleBar_Click);
//
//ButtonGroup导航条
//
Width = 153;
Height = 22;
this.Controls.Add(TitleBar);
this.Controls.Add(ButtonArea);
}
/// <summary>
/// 初始化导航条所包含或关联的图片按钮
/// </summary>
public void InitImageButtons()
{
int imageButtonHeight = 70;
//
// 导航条上的按钮区域(Panel)
//
ButtonArea.Location = new Point(0, 22);
ButtonArea.Size = new Size(153, imageButtonHeight * ImageButtons.Count);
//
// 导航条上的图片按钮
//
for (int n = 0; n < ImageButtons.Count; n )
{
ImageButton imageButton = ImageButtons[n];
imageButton.Left = 0;
imageButton.Top = n * imageButtonHeight;
imageButton.ImageButtonClick = new ButtonClickHander(ImageButton_Click);
ButtonArea.Controls.Add(imageButton);
}
}
private System.Windows.Forms.Label TitleBar = new System.Windows.Forms.Label();
private Panel ButtonArea = new Panel();
/// <summary>
/// 导航条上的标题栏的文字
/// </summary>
public new String Text
{
get
{
return TitleBar.Text;
}
set
{
TitleBar.Text = value;
}
}
private List<ImageButton> _ImageButtons = new List<ImageButton>();
/// <summary>
/// 导航条所包含或关联的图片按钮
/// </summary>
public List<ImageButton> ImageButtons
{
get { return _ImageButtons; }
set
{
_ImageButtons = value;
}
}
/// <summary>
/// 鼠标从导航条上的标题上移开时事件处理
/// </summary>
private void TitleBar_MouseLeave(object sender, EventArgs e)
{
if (sender is System.Windows.Forms.Label)
{
System.Windows.Forms.Label tmpLabel = (System.Windows.Forms.Label)sender;
tmpLabel.BackgroundImage = Resources.NavBarBG01;
}
}
/// <summary>
/// 鼠标移动到导航条上的标题上时事件处理
/// </summary>
private void TitleBar_MouseMove(object sender, MouseEventArgs e)
{
if (sender is System.Windows.Forms.Label)
{
System.Windows.Forms.Label tmpLabel = (System.Windows.Forms.Label)sender;
tmpLabel.BackgroundImage = Resources.NavBarBG02;
}
}
/// <summary>
/// 单击导航条上的标题事件处理
/// </summary>
private void TitleBar_Click(object sender, EventArgs e)
{
if (TitleBarClick != null)
{
TitleBarClick(this, e);
}
}
/// <summary>
/// 单击图片按钮事件处理
/// </summary>
private void ImageButton_Click(object sender, string targetModule)
{
if (ImageButtonClick != null)
{
ImageButtonClick(sender, targetModule);
}
}
}
/// <summary>
/// 导航栏中的图片按钮
/// </summary>
public class ImageButton : UserControl
{
public event ButtonClickHander ImageButtonClick;
public ImageButton(string text, string targetModule, Image image)
{
this.Text = text;
this.TargetModule = targetModule;
this.Image = image;
InitializeControl();
}
/// <summary>
/// 初始化图片按钮
/// </summary>
private void InitializeControl()
{
//
// 图像按钮上的图像
//
ButtonImage.Cursor = Cursors.Hand;
ButtonImage.Location = new Point(56, 12);
ButtonImage.Size = new Size(40, 40);
ButtonImage.MouseMove = new MouseEventHandler(ButtonImage_MouseMove);
ButtonImage.MouseLeave = new EventHandler(ButtonImage_MouseLeave);
ButtonImage.Click = new EventHandler(ButtonImage_Click);
//
// 图像按钮上的文字
//
ButtonText.TextAlign = ContentAlignment.MiddleCenter;
ButtonText.ForeColor = Color.FromArgb(68, 68, 68);
ButtonText.Location = new Point(0, 55);
ButtonText.Size = new Size(153, 15);
//
//ImageButton图像按钮
//
Width = 153;
Height = 70;
this.Controls.Add(ButtonText);
this.Controls.Add(ButtonImage);
}
/// <summary>
/// 鼠标从图片按钮上移开时事件处理
/// </summary>
private void ButtonImage_MouseLeave(object sender, EventArgs e)
{
if (sender is PictureBox)
{
PictureBox tmpPictureBox = (PictureBox)sender;
tmpPictureBox.BackgroundImage = null;
}
}
/// <summary>
/// 鼠标移动到图片按钮上时事件处理
/// </summary>
private void ButtonImage_MouseMove(object sender, MouseEventArgs e)
{
if (sender is PictureBox)
{
PictureBox tmpPictureBox = (PictureBox)sender;
tmpPictureBox.BackgroundImage = Resources.NavBtnBG;
}
}
/// <summary>
/// 图片按钮单击事件处理
/// </summary>
private void ButtonImage_Click(object sender, EventArgs e)
{
if (ImageButtonClick != null)
{
ImageButtonClick(this, this.TargetModule);
}
}
private System.Windows.Forms.Label ButtonText = new System.Windows.Forms.Label();
private PictureBox ButtonImage = new PictureBox();
/// <summary>
/// 图片按钮中图片下方的文字
/// </summary>
public new string Text
{
get { return ButtonText.Text; }
set { ButtonText.Text = value; }
}
/// <summary>
/// 图片按钮中显示的图片
/// </summary>
public Image Image
{
get { return ButtonImage.Image; }
set { ButtonImage.Image = value; }
}
/// <summary>
/// 用户点击图片按钮后,期望转向的模块名称
/// </summary>
public string TargetModule
{
get;
set;
}
}
#endregion
}
}
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