// COPYRIGHT (C) Tom. ALL RIGHTS RESERVED.
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// THE AntdUI PROJECT IS AN WINFORM LIBRARY LICENSED UNDER THE Apache-2.0 License.
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// LICENSED UNDER THE Apache License, VERSION 2.0 (THE "License")
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// YOU MAY NOT USE THIS FILE EXCEPT IN COMPLIANCE WITH THE License.
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// YOU MAY OBTAIN A COPY OF THE LICENSE AT
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING, SOFTWARE
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// DISTRIBUTED UNDER THE LICENSE IS DISTRIBUTED ON AN "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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// SEE THE LICENSE FOR THE SPECIFIC LANGUAGE GOVERNING PERMISSIONS AND
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// LIMITATIONS UNDER THE License.
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// GITEE: https://gitee.com/antdui/AntdUI
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// GITHUB: https://github.com/AntdUI/AntdUI
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// CSDN: https://blog.csdn.net/v_132
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// QQ: 17379620
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using System;
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using System.ComponentModel;
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using System.ComponentModel.Design;
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using System.Drawing;
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using System.Windows.Forms;
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using System.Windows.Forms.Design;
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namespace AntdUI
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{
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partial class Tabs
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{
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internal class TabControlDesigner : ParentControlDesigner
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{
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public new Tabs Control => (Tabs)base.Control;
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#region 初始化
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public IDesignerHost DesignerHost { get; private set; }
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public ISelectionService SelectionService { get; private set; }
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public override void Initialize(IComponent component)
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{
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base.Initialize(component);
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DesignerHost = (IDesignerHost)GetService(typeof(IDesignerHost));
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SelectionService = (ISelectionService)GetService(typeof(ISelectionService));
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}
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DesignerActionListCollection actionLists;
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public override DesignerActionListCollection ActionLists
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{
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get
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{
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if (actionLists == null)
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{
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actionLists = base.ActionLists;
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actionLists.Add(new TabControlActionList(Control));
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}
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return actionLists;
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}
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}
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#endregion
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protected override bool GetHitTest(Point point)
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{
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var point_ = Control.PointToClient(point);
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foreach (var tab in Control.Pages)
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{
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if (tab.Contains(point_.X, point_.Y)) return true;
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}
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return base.GetHitTest(point);
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}
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}
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internal class TabControlActionList : DesignerActionList
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{
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#region Properties
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/// <summary>
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/// Gets the associated <see cref="TabControl"/>.
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/// </summary>
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public Tabs Control { get; private set; }
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/// <summary>
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/// Gets the designer host.
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/// </summary>
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public IDesignerHost DesignerHost { get; private set; }
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/// <summary>
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/// Gets the selection service.
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/// </summary>
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public ISelectionService SelectionService { get; private set; }
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#endregion
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#region Actions
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/// <summary>
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/// Gets or sets the ContentAlignment of the designed control.
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/// </summary>
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public System.Windows.Forms.TabAlignment Alignment
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{
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get { return Control.Alignment; }
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set { GetPropertyByName("Alignment").SetValue(Control, value); }
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}
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/// <summary>
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/// Adds a tab to the designed control.
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/// </summary>
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public void AddTab()
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{
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if (DesignerHost != null)
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{
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TabPage tab = (TabPage)DesignerHost.CreateComponent(typeof(TabPage));
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PropertyDescriptor nameProp = TypeDescriptor.GetProperties(tab)["Name"];
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string name = (string)nameProp.GetValue(tab);
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PropertyDescriptor textProp = TypeDescriptor.GetProperties(tab)["Text"];
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textProp.SetValue(tab, name);
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Control.Pages.Add(tab);
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Control.SelectedIndex = Control.Pages.IndexOf(tab);
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}
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}
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/// <summary>
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/// Removes the current page of the designed control.
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/// </summary>
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protected void RemoveTab()
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{
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if (DesignerHost != null)
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{
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if (Control.Pages.Count > 1)
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{
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int index = Control.SelectedIndex;
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//DesignerHost.DestroyComponent(tab);
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//if (index == Control.Tabs.Count)
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// index = Control.Tabs.Count - 1;
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Control.SelectedIndex = index;
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}
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}
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}
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#endregion
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#region Constructor
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/// <summary>
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/// Initializes a new instance of the <see cref="TabControlActionList"/> class.
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/// </summary>
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/// <param name="component">A component related to the DesignerActionList.</param>
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public TabControlActionList(IComponent component) : base(component)
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{
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Control = (Tabs)component;
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DesignerHost = (IDesignerHost)GetService(typeof(IDesignerHost));
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SelectionService = (ISelectionService)GetService(typeof(ISelectionService));
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}
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#endregion
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#region Helper Methods
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/// <summary>
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/// Helper method to retrieve control properties for undo support.
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/// </summary>
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/// <param name="propName">Property name.</param>
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private PropertyDescriptor GetPropertyByName(string propName)
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{
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PropertyDescriptor prop;
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prop = TypeDescriptor.GetProperties(Control)[propName];
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if (prop == null)
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throw new ArgumentException("Unknown property.", propName);
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else
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return prop;
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}
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#endregion
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#region Overrides
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// <summary>
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/// Returns the collection of <see cref="T:System.ComponentModel.Design.DesignerActionItem"/> objects contained in the list.
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/// </summary>
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public override DesignerActionItemCollection GetSortedActionItems()
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{
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return new DesignerActionItemCollection() {
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new DesignerActionHeaderItem("外观"),
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new DesignerActionHeaderItem("数据"),
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new DesignerActionPropertyItem("Alignment", "选项卡位置", "外观", "确定选项卡是否显示在控件的顶部、底部、左侧或右侧(在左侧或右侧将隐式地分为多行)。"),
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new DesignerActionMethodItem(this, "AddTab", "添加选项卡", "数据", "向控件添加新选项卡"),
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new DesignerActionMethodItem(this, "RemoveTab", "移除选项卡", "数据" ,"删除当前选项卡")
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};
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}
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#endregion
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}
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}
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}
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