mirror of
https://github.com/eggplantlwj/VisionEdit.git
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458 lines
16 KiB
C#
458 lines
16 KiB
C#
// ***********************************************************************
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// Assembly : HZH_Controls
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// Created : 08-22-2019
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//
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// ***********************************************************************
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// <copyright file="UCListView.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 System.Collections;
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namespace HZH_Controls.Controls
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{
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/// <summary>
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/// Class UCListView.
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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("SelectedItemEvent")]
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public partial class UCListView : UserControl
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{
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/// <summary>
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/// The m int cell width
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/// </summary>
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int m_intCellWidth = 130;//单元格宽度
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/// <summary>
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/// The m int cell height
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/// </summary>
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int m_intCellHeight = 120;//单元格高度
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/// <summary>
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/// The m item type
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/// </summary>
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private Type m_itemType = typeof(UCListViewItem);
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/// <summary>
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/// Gets or sets the type of the item.
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/// </summary>
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/// <value>The type of the item.</value>
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/// <exception cref="System.Exception">单元格控件没有继承实现接口IListViewItem</exception>
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/// <exception cref="Exception">单元格控件没有继承实现接口IListViewItem</exception>
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[Description("单元格类型，如果无法满足您的需求，你可以自定义单元格控件，并实现接口IListViewItem"), Category("自定义")]
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public Type ItemType
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{
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get { return m_itemType; }
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set
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{
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if (!typeof(IListViewItem).IsAssignableFrom(value) || !value.IsSubclassOf(typeof(Control)))
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throw new Exception("单元格控件没有继承实现接口IListViewItem");
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m_itemType = value;
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}
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}
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/// <summary>
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/// The m page
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/// </summary>
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private UCPagerControlBase m_page = null;
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/// <summary>
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/// 翻页控件
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/// </summary>
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/// <value>The page.</value>
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/// <exception cref="System.Exception">翻页控件没有继承UCPagerControlBase</exception>
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/// <exception cref="Exception">翻页控件没有继承UCPagerControlBase</exception>
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[Description("翻页控件，如果UCPagerControl不满足你的需求，请自定义翻页控件并继承UCPagerControlBase"), Category("自定义")]
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public UCPagerControlBase Page
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{
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get { return m_page; }
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set
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{
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m_page = value;
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if (value != null)
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{
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if (!typeof(IPageControl).IsAssignableFrom(value.GetType()) || !value.GetType().IsSubclassOf(typeof(UCPagerControlBase)))
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throw new Exception("翻页控件没有继承UCPagerControlBase");
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this.panMain.AutoScroll = false;
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panPage.Visible = true;
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this.Controls.SetChildIndex(panMain, 0);
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m_page.ShowSourceChanged += m_page_ShowSourceChanged;
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m_page.Dock = DockStyle.Fill;
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this.panPage.Controls.Clear();
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this.panPage.Controls.Add(m_page);
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GetCellCount();
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this.DataSource = m_page.GetCurrentSource();
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}
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else
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{
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this.panMain.AutoScroll = true;
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m_page = null;
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panPage.Visible = false;
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}
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}
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}
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/// <summary>
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/// The m data source
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/// </summary>
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private object m_dataSource = null;
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/// <summary>
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/// Gets or sets the data source.
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/// </summary>
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/// <value>The data source.</value>
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/// <exception cref="System.Exception">数据源不是有效的数据类型，列表</exception>
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/// <exception cref="Exception">数据源不是有效的数据类型，列表</exception>
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[Description("数据源,如果使用翻页控件，请使用翻页控件的DataSource"), Category("自定义")]
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public object DataSource
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{
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get { return m_dataSource; }
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set
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{
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if (value == null)
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{
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m_dataSource = value;
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ReloadSource();
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return;
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}
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if (!typeof(IList).IsAssignableFrom(value.GetType()))
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{
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throw new Exception("数据源不是有效的数据类型，列表");
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}
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m_dataSource = value;
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ReloadSource();
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}
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}
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/// <summary>
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/// The m int cell count
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/// </summary>
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int m_intCellCount = 0;//单元格总数
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/// <summary>
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/// Gets the cell count.
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/// </summary>
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/// <value>The cell count.</value>
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[Description("单元格总数"), Category("自定义")]
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public int CellCount
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{
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get { return m_intCellCount; }
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private set
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{
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m_intCellCount = value;
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if (value > 0 && m_page != null)
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{
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m_page.PageSize = m_intCellCount;
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m_page.Reload();
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}
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}
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}
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/// <summary>
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/// The m selected source
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/// </summary>
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private List<object> m_selectedSource = new List<object>();
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/// <summary>
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/// Gets or sets the selected source.
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/// </summary>
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/// <value>The selected source.</value>
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[Description("选中的数据"), Category("自定义")]
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public List<object> SelectedSource
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{
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get { return m_selectedSource; }
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set
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{
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m_selectedSource = value;
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ReloadSource();
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}
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}
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/// <summary>
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/// The m is multiple
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/// </summary>
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private bool m_isMultiple = true;
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/// <summary>
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/// Gets or sets a value indicating whether this instance is multiple.
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/// </summary>
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/// <value><c>true</c> if this instance is multiple; otherwise, <c>false</c>.</value>
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[Description("是否多选"), Category("自定义")]
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public bool IsMultiple
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{
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get { return m_isMultiple; }
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set { m_isMultiple = value; }
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}
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/// <summary>
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/// Occurs when [selected item event].
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/// </summary>
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[Description("选中项事件"), Category("自定义")]
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public event EventHandler SelectedItemEvent;
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/// <summary>
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/// Delegate ReloadGridStyleEventHandle
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/// </summary>
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/// <param name="intCellCount">The int cell count.</param>
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public delegate void ReloadGridStyleEventHandle(int intCellCount);
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/// <summary>
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/// 样式改变事件
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/// </summary>
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[Description("样式改变事件"), Category("自定义")]
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public event ReloadGridStyleEventHandle ReloadGridStyleEvent;
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/// <summary>
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/// Initializes a new instance of the <see cref="UCListView" /> class.
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/// </summary>
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public UCListView()
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{
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InitializeComponent();
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}
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/// <summary>
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/// ms the page show source changed.
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/// </summary>
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/// <param name="currentSource">The current source.</param>
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void m_page_ShowSourceChanged(object currentSource)
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{
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this.DataSource = currentSource;
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}
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#region 重新加载数据源
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/// <summary>
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/// 功能描述:重新加载数据源
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/// 作 者:HZH
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/// 创建日期:2019-06-27 16:47:32
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/// 任务编号:POS
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/// </summary>
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public void ReloadSource()
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{
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try
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{
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if (DesignMode)
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return;
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ControlHelper.FreezeControl(this, true);
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if (this.panMain.Controls.Count <= 0)
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{
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ReloadGridStyle();
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}
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if (m_dataSource == null || ((IList)m_dataSource).Count <= 0)
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{
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for (int i = this.panMain.Controls.Count - 1; i >= 0; i--)
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{
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this.panMain.Controls[i].Visible = false;
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}
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return;
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}
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int intCount = Math.Min(((IList)m_dataSource).Count, this.panMain.Controls.Count);
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for (int i = 0; i < intCount; i++)
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{
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((IListViewItem)this.panMain.Controls[i]).DataSource = ((IList)m_dataSource)[i];
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if (m_selectedSource.Contains(((IList)m_dataSource)[i]))
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{
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((IListViewItem)this.panMain.Controls[i]).SetSelected(true);
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}
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else
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{
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((IListViewItem)this.panMain.Controls[i]).SetSelected(false);
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}
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this.panMain.Controls[i].Visible = true;
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}
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for (int i = this.panMain.Controls.Count - 1; i >= intCount; i--)
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{
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if (this.panMain.Controls[i].Visible)
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this.panMain.Controls[i].Visible = false;
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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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#endregion
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#region 刷新表格
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/// <summary>
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/// 功能描述:刷新表格样式
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/// 作 者:HZH
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/// 创建日期:2019-06-27 16:35:25
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/// 任务编号:POS
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/// </summary>
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public void ReloadGridStyle()
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{
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if (DesignMode)
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return;
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Form frmMain = this.FindForm();
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if (frmMain != null && !frmMain.IsDisposed && frmMain.Visible && this.Visible)
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{
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GetCellCount();
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try
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{
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ControlHelper.FreezeControl(this, true);
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if (this.panMain.Controls.Count < m_intCellCount)
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{
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int intControlsCount = this.panMain.Controls.Count;
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for (int i = 0; i < m_intCellCount - intControlsCount; i++)
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{
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Control uc = (Control)Activator.CreateInstance(m_itemType);
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uc.Margin = new System.Windows.Forms.Padding(5, 5, 5, 5);
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(uc as IListViewItem).SelectedItemEvent += UCListView_SelectedItemEvent;
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uc.Visible = false;
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this.panMain.Controls.Add(uc);
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}
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}
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else if (this.panMain.Controls.Count > m_intCellCount)
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{
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int intControlsCount = this.panMain.Controls.Count;
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for (int i = intControlsCount - 1; i > m_intCellCount - 1; i--)
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{
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this.panMain.Controls.RemoveAt(i);
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}
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}
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foreach (Control item in this.panMain.Controls)
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{
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item.Size = new Size(m_intCellWidth, m_intCellHeight);
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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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if (ReloadGridStyleEvent != null)
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{
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ReloadGridStyleEvent(m_intCellCount);
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}
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}
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}
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/// <summary>
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/// Handles the SelectedItemEvent event of the UCListView 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 UCListView_SelectedItemEvent(object sender, EventArgs e)
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{
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var selectedItem = sender as IListViewItem;
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if (m_selectedSource.Contains(selectedItem.DataSource))
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{
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m_selectedSource.Remove(selectedItem.DataSource);
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selectedItem.SetSelected(false);
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}
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else
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{
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if (m_isMultiple)
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{
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m_selectedSource.Add(selectedItem.DataSource);
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selectedItem.SetSelected(true);
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}
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else
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{
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if (m_selectedSource.Count > 0)
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{
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int intCount = Math.Min(((IList)m_dataSource).Count, this.panMain.Controls.Count);
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for (int i = 0; i < intCount; i++)
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{
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var item = ((IListViewItem)this.panMain.Controls[i]);
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if (m_selectedSource.Contains(item.DataSource))
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{
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item.SetSelected(false);
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break;
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}
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}
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}
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m_selectedSource = new List<object>() { selectedItem.DataSource };
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selectedItem.SetSelected(true);
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}
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}
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if (SelectedItemEvent != null)
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{
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SelectedItemEvent(sender, e);
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}
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}
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#endregion
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#region 获取cell总数
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/// <summary>
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/// 功能描述:获取cell总数
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/// 作 者:HZH
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/// 创建日期:2019-06-27 16:28:58
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/// 任务编号:POS
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/// </summary>
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private void GetCellCount()
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{
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if (DesignMode)
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return;
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if (this.panMain.Width == 0)
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return;
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Control item = (Control)Activator.CreateInstance(m_itemType);
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int intXCount = (this.panMain.Width - 10) / (item.Width + 10);
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m_intCellWidth = item.Width + ((this.panMain.Width - 10) % (item.Width + 10)) / intXCount;
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int intYCount = (this.panMain.Height - 10) / (item.Height + 10);
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m_intCellHeight = item.Height + ((this.panMain.Height - 10) % (item.Height + 10)) / intYCount;
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int intCount = intXCount * intYCount;
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if (Page == null)
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{
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if (m_dataSource == null)
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{
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intCount = 0;
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}
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else
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{
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if (((IList)m_dataSource).Count > intCount)
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{
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intXCount = (this.panMain.Width - 10 - 20) / (item.Width + 10);
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m_intCellWidth = item.Width + ((this.panMain.Width - 10 - 20) % (item.Width + 10)) / intXCount;
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}
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intCount = Math.Max(intCount, ((IList)m_dataSource).Count);
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}
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}
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CellCount = intCount;
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}
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#endregion
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/// <summary>
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/// Handles the Resize event of the panMain 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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private void panMain_Resize(object sender, EventArgs e)
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{
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ReloadGridStyle();
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}
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/// <summary>
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/// Handles the Load event of the UCListView 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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private void UCListView_Load(object sender, EventArgs e)
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{
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}
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}
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}
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