mirror of
https://github.com/eggplantlwj/VisionEdit.git
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554 lines
20 KiB
C#
554 lines
20 KiB
C#
// ***********************************************************************
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// Assembly : HZH_Controls
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// Created : 2019-10-08
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//
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// ***********************************************************************
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// <copyright file="UCNavigationMenu.cs">
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// Copyright by Huang Zhenghui(黄正辉) All, QQ group:568015492 QQ:623128629 Email:623128629@qq.com
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// </copyright>
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//
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// Blog: https://www.cnblogs.com/bfyx
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// GitHub：https://github.com/kwwwvagaa/NetWinformControl
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// gitee：https://gitee.com/kwwwvagaa/net_winform_custom_control.git
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//
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// If you use this code, please keep this note.
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// ***********************************************************************
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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.Windows.Forms;
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using HZH_Controls.Forms;
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namespace HZH_Controls.Controls
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{
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/// <summary>
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/// Class UCNavigationMenu.
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/// Implements the <see cref="System.Windows.Forms.UserControl" />
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/// </summary>
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/// <seealso cref="System.Windows.Forms.UserControl" />
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[DefaultEvent("ClickItemed")]
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public partial class UCNavigationMenu : UserControl
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{
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/// <summary>
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/// Occurs when [click itemed].
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/// </summary>
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[Description("点击节点事件"), Category("自定义")]
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public event EventHandler ClickItemed;
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/// <summary>
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/// The select item
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/// </summary>
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private NavigationMenuItem selectItem = null;
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/// <summary>
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/// Gets the select item.
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/// </summary>
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/// <value>The select item.</value>
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[Description("选中的节点"), Category("自定义")]
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public NavigationMenuItem SelectItem
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{
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get { return selectItem; }
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private set { selectItem = value; }
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}
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/// <summary>
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/// The items
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/// </summary>
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NavigationMenuItem[] items;
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/// <summary>
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/// Gets or sets the items.
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/// </summary>
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/// <value>The items.</value>
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[Description("节点列表"), Category("自定义")]
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public NavigationMenuItem[] Items
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{
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get { return items; }
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set
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{
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items = value;
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ReloadMenu();
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}
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}
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/// <summary>
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/// The tip color
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/// </summary>
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private Color tipColor = Color.FromArgb(255, 87, 34);
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/// <summary>
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/// Gets or sets the color of the tip.
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/// </summary>
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/// <value>The color of the tip.</value>
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[Description("角标颜色"), Category("自定义")]
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public Color TipColor
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{
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get { return tipColor; }
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set { tipColor = value; }
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}
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/// <summary>
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/// 获取或设置控件的前景色。
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/// </summary>
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/// <value>The color of the fore.</value>
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/// <PermissionSet>
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/// <IPermission class="System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
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/// </PermissionSet>
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public override System.Drawing.Color ForeColor
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{
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get
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{
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return base.ForeColor;
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}
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set
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{
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base.ForeColor = value;
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foreach (Control c in this.Controls)
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{
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c.ForeColor = value;
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}
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}
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}
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/// <summary>
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/// 获取或设置控件显示的文字的字体。
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/// </summary>
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/// <value>The font.</value>
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/// <PermissionSet>
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/// <IPermission class="System.Security.Permissions.EnvironmentPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
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/// <IPermission class="System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
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/// <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="UnmanagedCode, ControlEvidence" />
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/// <IPermission class="System.Diagnostics.PerformanceCounterPermission, System, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
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/// </PermissionSet>
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public override Font Font
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{
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get
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{
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return base.Font;
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}
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set
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{
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base.Font = value;
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foreach (Control c in this.Controls)
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{
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c.Font = value;
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}
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}
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}
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/// <summary>
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/// The m LST anchors
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/// </summary>
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Dictionary<NavigationMenuItem, FrmAnchor> m_lstAnchors = new Dictionary<NavigationMenuItem, FrmAnchor>();
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/// <summary>
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/// Initializes a new instance of the <see cref="UCNavigationMenu"/> class.
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/// </summary>
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public UCNavigationMenu()
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{
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InitializeComponent();
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items = new NavigationMenuItem[0];
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if (ControlHelper.IsDesignMode())
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{
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items = new NavigationMenuItem[4];
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for (int i = 0; i < 4; i++)
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{
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items[i] = new NavigationMenuItem()
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{
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Text = "菜单" + (i + 1),
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AnchorRight = i >= 2
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};
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}
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}
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}
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/// <summary>
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/// Reloads the menu.
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/// </summary>
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private void ReloadMenu()
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{
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try
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{
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ControlHelper.FreezeControl(this, true);
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this.Controls.Clear();
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if (items != null && items.Length > 0)
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{
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foreach (var item in items)
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{
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var menu = (NavigationMenuItem)item;
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Label lbl = new Label();
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lbl.AutoSize = false;
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lbl.TextAlign = ContentAlignment.MiddleCenter;
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lbl.Width = menu.ItemWidth;
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lbl.Text = menu.Text;
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lbl.Font = Font;
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lbl.ForeColor = ForeColor;
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lbl.Paint += lbl_Paint;
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lbl.MouseEnter += lbl_MouseEnter;
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lbl.Tag = menu;
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lbl.Click += lbl_Click;
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if (menu.AnchorRight)
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{
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lbl.Dock = DockStyle.Right;
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}
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else
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{
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lbl.Dock = DockStyle.Left;
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}
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this.Controls.Add(lbl);
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lbl.BringToFront();
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}
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}
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}
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finally
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{
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ControlHelper.FreezeControl(this, false);
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}
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}
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/// <summary>
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/// Handles the Click event of the lbl control.
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/// </summary>
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/// <param name="sender">The source of the event.</param>
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/// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
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void lbl_Click(object sender, EventArgs e)
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{
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Label lbl = sender as Label;
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if (lbl.Tag != null)
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{
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var menu = (NavigationMenuItem)lbl.Tag;
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if (menu.Items == null || menu.Items.Length <= 0)
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{
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selectItem = menu;
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while (m_lstAnchors.Count > 0)
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{
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try
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{
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foreach (var item in m_lstAnchors)
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{
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item.Value.Close();
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m_lstAnchors.Remove(item.Key);
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}
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}
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catch { }
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}
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if (ClickItemed != null)
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{
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ClickItemed(this, e);
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}
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}
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else
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{
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CloseList(menu);
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if (m_lstAnchors.ContainsKey(menu))
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{
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if (m_lstAnchors[menu] != null && !m_lstAnchors[menu].IsDisposed)
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{
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m_lstAnchors[menu].Close();
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}
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m_lstAnchors.Remove(menu);
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}
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ShowMoreMenu(lbl);
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}
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}
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}
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/// <summary>
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/// Handles the MouseEnter event of the lbl control.
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/// </summary>
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/// <param name="sender">The source of the event.</param>
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/// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
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void lbl_MouseEnter(object sender, EventArgs e)
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{
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Label lbl = sender as Label;
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ShowMoreMenu(lbl);
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}
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/// <summary>
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/// Checks the show.
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/// </summary>
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/// <param name="menu">The menu.</param>
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/// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
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private bool CheckShow(NavigationMenuItem menu)
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{
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//检查已经打开的节点
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if (m_lstAnchors.ContainsKey(menu))
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{
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CloseList(menu);
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return false;
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}
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if (HasInCacheChild(menu))
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{
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if (m_lstAnchors.ContainsKey(menu.ParentItem))
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{
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CloseList(menu.ParentItem);
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return true;
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}
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return false;
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}
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else
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{
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for (int i = 0; i < 1; )
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{
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try
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{
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foreach (var item in m_lstAnchors)
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{
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if (m_lstAnchors[item.Key] != null && !m_lstAnchors[item.Key].IsDisposed)
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{
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m_lstAnchors[item.Key].Close();
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}
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}
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}
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catch
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{
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continue;
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}
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i++;
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}
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m_lstAnchors.Clear();
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return true;
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}
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}
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/// <summary>
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/// Determines whether [has in cache child] [the specified menu].
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/// </summary>
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/// <param name="menu">The menu.</param>
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/// <returns><c>true</c> if [has in cache child] [the specified menu]; otherwise, <c>false</c>.</returns>
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private bool HasInCacheChild(NavigationMenuItem menu)
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{
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foreach (var item in m_lstAnchors)
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{
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if (item.Key == menu)
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{
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return true;
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}
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else
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{
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if (item.Key.Items != null)
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{
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if (item.Key.Items.Contains(menu))
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return true;
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}
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}
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}
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return false;
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}
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/// <summary>
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/// Closes the list.
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/// </summary>
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/// <param name="menu">The menu.</param>
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private void CloseList(NavigationMenuItem menu)
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{
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if (menu.Items != null)
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{
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foreach (var item in menu.Items)
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{
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CloseList(item);
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if (m_lstAnchors.ContainsKey(item))
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{
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if (m_lstAnchors[item] != null && !m_lstAnchors[item].IsDisposed)
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{
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m_lstAnchors[item].Close();
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m_lstAnchors[item] = null;
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m_lstAnchors.Remove(item);
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}
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}
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}
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}
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}
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/// <summary>
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/// Shows the more menu.
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/// </summary>
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/// <param name="lbl">The label.</param>
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private void ShowMoreMenu(Label lbl)
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{
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var menu = (NavigationMenuItem)lbl.Tag;
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if (CheckShow(menu))
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{
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if (menu.Items != null && menu.Items.Length > 0)
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{
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Panel panel = new Panel();
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panel.BackColor = Color.White;
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panel.Paint += panel_Paint;
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panel.Padding = new System.Windows.Forms.Padding(1);
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Size size = GetItemsSize(menu.Items);
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var height = size.Height * menu.Items.Length + 2;
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height += menu.Items.Count(p => p.HasSplitLintAtTop);//分割线
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if (size.Width < lbl.Width)
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size.Width = lbl.Width;
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panel.Size = new Size(size.Width, height);
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foreach (var item in menu.Items)
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{
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if (item.HasSplitLintAtTop)
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{
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UCSplitLine_H line = new UCSplitLine_H();
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line.Dock = DockStyle.Top;
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panel.Controls.Add(line);
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line.BringToFront();
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}
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Label _lbl = new Label();
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_lbl.Font = Font;
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_lbl.ForeColor = this.BackColor;
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_lbl.AutoSize = false;
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_lbl.TextAlign = ContentAlignment.MiddleCenter;
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_lbl.Height = size.Height;
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_lbl.Text = item.Text;
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_lbl.Dock = DockStyle.Top;
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_lbl.BringToFront();
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_lbl.Paint += lbl_Paint;
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_lbl.MouseEnter += lbl_MouseEnter;
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_lbl.Tag = item;
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_lbl.Click += lbl_Click;
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_lbl.Size = new System.Drawing.Size(size.Width, size.Height);
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panel.Controls.Add(_lbl);
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_lbl.BringToFront();
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}
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Point point = Point.Empty;
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if (menu.ParentItem != null)
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{
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Point p = lbl.Parent.PointToScreen(lbl.Location);
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if (p.X + lbl.Width + panel.Width > Screen.PrimaryScreen.Bounds.Width)
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{
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point = new Point(-1 * panel.Width - 2, -1 * lbl.Height);
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}
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else
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{
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point = new Point(panel.Width + 2, -1 * lbl.Height);
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}
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}
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m_lstAnchors[menu] = new FrmAnchor(lbl, panel, point);
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m_lstAnchors[menu].FormClosing += UCNavigationMenu_FormClosing;
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m_lstAnchors[menu].Show(this);
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m_lstAnchors[menu].Size = new Size(size.Width, height);
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}
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}
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}
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/// <summary>
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/// Handles the FormClosing event of the UCNavigationMenu control.
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/// </summary>
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/// <param name="sender">The source of the event.</param>
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/// <param name="e">The <see cref="FormClosingEventArgs"/> instance containing the event data.</param>
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void UCNavigationMenu_FormClosing(object sender, FormClosingEventArgs e)
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{
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FrmAnchor frm = sender as FrmAnchor;
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if (m_lstAnchors.ContainsValue(frm))
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{
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foreach (var item in m_lstAnchors)
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{
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if (item.Value == frm)
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{
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m_lstAnchors.Remove(item.Key);
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return;
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}
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}
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}
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}
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/// <summary>
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/// Handles the Paint event of the panel control.
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/// </summary>
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/// <param name="sender">The source of the event.</param>
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/// <param name="e">The <see cref="PaintEventArgs"/> instance containing the event data.</param>
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void panel_Paint(object sender, PaintEventArgs e)
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{
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e.Graphics.SetGDIHigh();
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Rectangle rect = new Rectangle(0, 0, e.ClipRectangle.Width - 1, e.ClipRectangle.Height - 1);
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var path = rect.CreateRoundedRectanglePath(2);
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e.Graphics.DrawPath(new Pen(new SolidBrush(LineColors.Light)), path);
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}
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/// <summary>
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/// Gets the size of the items.
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/// </summary>
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/// <param name="items">The items.</param>
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/// <returns>Size.</returns>
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private Size GetItemsSize(NavigationMenuItem[] items)
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{
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Size size = Size.Empty;
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if (items != null && items.Length > 0)
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{
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using (var g = this.CreateGraphics())
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{
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foreach (NavigationMenuItem item in items)
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{
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var s = g.MeasureString(item.Text, Font);
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if (s.Width + 25 > size.Width)
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{
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size.Width = (int)s.Width + 25;
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}
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if (s.Height + 10 > size.Height)
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{
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size.Height = (int)s.Height + 10;
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}
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}
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}
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}
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return size;
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}
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/// <summary>
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/// Handles the Paint event of the lbl control.
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/// </summary>
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/// <param name="sender">The source of the event.</param>
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/// <param name="e">The <see cref="PaintEventArgs"/> instance containing the event data.</param>
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void lbl_Paint(object sender, PaintEventArgs e)
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{
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Label lbl = sender as Label;
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if (lbl.Tag != null)
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{
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var menu = (NavigationMenuItem)lbl.Tag;
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e.Graphics.SetGDIHigh();
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if (menu.ParentItem == null)//顶级节点支持图标和角标
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{
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if (menu.ShowTip)
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{
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if (!string.IsNullOrEmpty(menu.TipText))
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{
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var rect = new Rectangle(lbl.Width - 25, lbl.Height / 2 - 10, 20, 20);
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var path = rect.CreateRoundedRectanglePath(5);
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e.Graphics.FillPath(new SolidBrush(tipColor), path);
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e.Graphics.DrawString(menu.TipText, new Font("微软雅黑", 8f), new SolidBrush(Color.White), rect, new StringFormat() { Alignment = StringAlignment.Center, LineAlignment = StringAlignment.Center });
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}
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else
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{
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e.Graphics.FillEllipse(new SolidBrush(tipColor), new Rectangle(lbl.Width - 20, lbl.Height / 2 - 10, 10, 10));
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}
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}
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if (menu.Icon != null)
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{
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e.Graphics.DrawImage(menu.Icon, new Rectangle(1, (lbl.Height - 25) / 2, 25, 25), 0, 0, menu.Icon.Width, menu.Icon.Height, GraphicsUnit.Pixel);
|
||
}
|
||
}
|
||
if (menu.ParentItem != null && menu.Items != null && menu.Items.Length > 0)
|
||
{
|
||
ControlHelper.PaintTriangle(e.Graphics, new SolidBrush(this.BackColor), new Point(lbl.Width - 11, (lbl.Height - 5) / 2), 5, GraphDirection.Rightward);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
