DotNet 4.8.1 build of DotNetBar
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352
PROMS/DotNetBar Source Code/Metro/MetroTabPanel.cs
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352
PROMS/DotNetBar Source Code/Metro/MetroTabPanel.cs
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.ComponentModel;
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using System.Windows.Forms;
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using System.Drawing;
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using DevComponents.DotNetBar.Metro.Rendering;
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using System.Collections;
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namespace DevComponents.DotNetBar.Metro
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{
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/// <summary>
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/// Represents panel used by MetroTabItem as a container panel for the control.
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/// </summary>
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[ToolboxItem(false), Designer("DevComponents.DotNetBar.Design.MetroTabPanelDesigner, DevComponents.DotNetBar.Design, Version=14.1.0.37, Culture=neutral, PublicKeyToken=90f470f34c89ccaf")]
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public class MetroTabPanel: PanelControl, IKeyTipsControl
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{
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#region Private Variables
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private const string INFO_TEXT="Drop controls here. Drag and Drop tabs and items to re-order.";
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private MetroTabItem _TabItem=null;
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private bool _UseCustomStyle=false;
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#endregion
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#region Internal Implementation
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/// <summary>
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/// Creates new instance of the panel.
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/// </summary>
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public MetroTabPanel()
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: base()
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{
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this.ColorSchemeStyle = eDotNetBarStyle.StyleManagerControlled;
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if (StyleManager.IsMetro(StyleManager.Style))
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this.BackColor = MetroRender.GetColorTable().CanvasColor;
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//this.BackColor=SystemColors.Control;
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}
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protected override ElementStyle GetStyle()
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{
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if (!this.Style.Custom)
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{
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return GetDefaultStyle();
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}
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return base.GetStyle();
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}
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private bool _PopupMode = false;
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private MetroShell _MetroTab = null;
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internal MetroShell GetMetroTab()
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{
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if (_PopupMode)
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return _MetroTab;
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return this.Parent as MetroShell;
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}
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internal bool IsPopupMode
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{
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get { return _PopupMode; }
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}
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internal void SetPopupMode(bool popupMode, MetroShell rc)
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{
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_PopupMode = popupMode;
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if (_PopupMode)
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{
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_MetroTab = rc;
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#if FRAMEWORK20
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if (this.Padding.Bottom > 0)
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{
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this.Height += this.Padding.Bottom;
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this.Padding = new System.Windows.Forms.Padding(this.Padding.Left, this.Padding.Bottom, this.Padding.Right, this.Padding.Bottom);
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}
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#else
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if (this.DockPadding.Bottom > 0)
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{
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this.DockPadding.Top = this.DockPadding.Bottom;
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this.Height += this.DockPadding.Bottom;
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}
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#endif
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}
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else
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{
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#if FRAMEWORK20
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if (this.Padding.Top > 0)
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{
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this.Height -= this.Padding.Top;
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this.Padding = new System.Windows.Forms.Padding(this.Padding.Left, 0, this.Padding.Right, this.Padding.Bottom);
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}
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#else
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if (this.DockPadding.Top > 0)
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{
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this.Height -= this.DockPadding.Top;
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this.DockPadding.Top = 0;
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}
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#endif
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_MetroTab = null;
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}
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}
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private ElementStyle GetDefaultStyle()
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{
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return MetroRender.GetColorTable().MetroTab.TabPanelBackgroundStyle;
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}
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private Rectangle GetThemedRect(Rectangle r)
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{
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const int offset=6;
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r.Y-=offset;
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r.Height+=offset;
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return r;
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}
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protected override void OnPaint(PaintEventArgs e)
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{
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bool baseCall=true;
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if(DrawThemedPane && BarFunctions.ThemedOS)
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{
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Rectangle r=GetThemedRect(this.ClientRectangle);
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eTabStripAlignment tabAlignment=eTabStripAlignment.Top;
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Rectangle rTemp=new Rectangle(0,0,r.Width,r.Height);
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if(tabAlignment==eTabStripAlignment.Right || tabAlignment==eTabStripAlignment.Left)
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rTemp=new Rectangle(0,0,rTemp.Height,rTemp.Width);
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if(m_ThemeCachedBitmap==null || m_ThemeCachedBitmap.Size!=rTemp.Size)
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{
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DisposeThemeCachedBitmap();
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Bitmap bmp=new Bitmap(rTemp.Width,rTemp.Height,e.Graphics);
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try
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{
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Graphics gTemp=Graphics.FromImage(bmp);
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try
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{
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using(SolidBrush brush=new SolidBrush(Color.Transparent))
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gTemp.FillRectangle(brush,0,0,bmp.Width,bmp.Height);
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this.ThemeTab.DrawBackground(gTemp,ThemeTabParts.Pane,ThemeTabStates.Normal,rTemp);
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}
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finally
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{
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gTemp.Dispose();
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}
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}
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finally
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{
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if(tabAlignment==eTabStripAlignment.Left)
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bmp.RotateFlip(RotateFlipType.Rotate270FlipNone);
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else if(tabAlignment==eTabStripAlignment.Right)
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bmp.RotateFlip(RotateFlipType.Rotate90FlipNone);
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else if(tabAlignment==eTabStripAlignment.Bottom)
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bmp.RotateFlip(RotateFlipType.Rotate180FlipNone);
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e.Graphics.DrawImageUnscaled(bmp,r.X,r.Y);
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m_ThemeCachedBitmap=bmp;
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}
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}
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else
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e.Graphics.DrawImageUnscaled(m_ThemeCachedBitmap,r.X,r.Y);
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baseCall=false;
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}
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if(baseCall)
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base.OnPaint(e);
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if(this.DesignMode && this.Controls.Count==0 && this.Text=="")
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{
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Rectangle r=this.ClientRectangle;
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r.Inflate(-2,-2);
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StringFormat sf=BarFunctions.CreateStringFormat();
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sf.Alignment=StringAlignment.Center;
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sf.LineAlignment=StringAlignment.Center;
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sf.Trimming=StringTrimming.EllipsisCharacter;
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Font font=new Font(this.Font,FontStyle.Bold);
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e.Graphics.DrawString(INFO_TEXT,font,new SolidBrush(ControlPaint.Dark(this.Style.BackColor)),r,sf);
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font.Dispose();
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sf.Dispose();
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}
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if (this.Parent is MetroShell) ((MetroShell)this.Parent).MetroTabStrip.InvalidateKeyTipsCanvas();
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}
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/// <summary>
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/// Indicates whether style of the panel is managed by tab control automatically.
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/// Set this to true if you would like to control style of the panel.
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/// </summary>
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[Browsable(true),DefaultValue(false),Category("Appearance"),Description("Indicates whether style of the panel is managed by tab control automatically. Set this to true if you would like to control style of the panel.")]
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public bool UseCustomStyle
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{
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get {return _UseCustomStyle;}
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set {_UseCustomStyle=value;}
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}
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/// <summary>
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/// Gets or sets TabItem that this panel is attached to.
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/// </summary>
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[Browsable(false),DefaultValue(null),DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
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public MetroTabItem MetroTabItem
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{
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get {return _TabItem;}
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set {_TabItem=value;}
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}
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protected override void OnResize(EventArgs e)
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{
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DisposeThemeCachedBitmap();
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base.OnResize(e);
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}
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/// <summary>
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/// Gets or sets which edge of the parent container a control is docked to.
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/// </summary>
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[Browsable(false),DefaultValue(DockStyle.None)]
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public override DockStyle Dock
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{
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get {return base.Dock;}
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set {base.Dock=value;}
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}
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/// <summary>
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/// Gets or sets the size of the control.
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/// </summary>
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[Browsable(false)]
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public new Size Size
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{
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get {return base.Size;}
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set {base.Size=value;}
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}
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/// <summary>
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/// Gets or sets the coordinates of the upper-left corner of the control relative to the upper-left corner of its container.
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/// </summary>
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[Browsable(false)]
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public new Point Location
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{
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get {return base.Location;}
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set {base.Location=value;}
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}
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/// <summary>
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/// Gets or sets a value indicating whether the control is displayed.
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/// </summary>
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[Browsable(false)]
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public new bool Visible
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{
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get {return base.Visible;}
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set {base.Visible=value;}
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}
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/// <summary>
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/// Gets or sets which edges of the control are anchored to the edges of its container.
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/// </summary>
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[Browsable(false)]
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public override AnchorStyles Anchor
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{
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get {return base.Anchor;}
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set {base.Anchor=value;}
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}
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[Browsable(false), DefaultValue("")]
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public override string Text
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{
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get
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{
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return base.Text;
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}
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set
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{
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base.Text = value;
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}
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}
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private class XPositionComparer : IComparer
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{
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// Calls CaseInsensitiveComparer.Compare with the parameters reversed.
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int IComparer.Compare(object x, object y)
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{
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if (x is Control && y is Control)
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{
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return ((Control)x).Left - ((Control)y).Left;
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}
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else
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return ((new CaseInsensitiveComparer()).Compare(x, y));
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}
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}
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bool IKeyTipsControl.ProcessMnemonicEx(char charCode)
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{
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if (this.Controls.Count == 0) return false;
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Control[] ca = new Control[this.Controls.Count];
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this.Controls.CopyTo(ca, 0);
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ArrayList controls = new ArrayList(ca);
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controls.Sort(new XPositionComparer());
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foreach (Control c in controls)
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{
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IKeyTipsControl ktc = c as IKeyTipsControl;
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if (ktc!=null && c.Visible && c.Enabled)
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{
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string oldStack = ktc.KeyTipsKeysStack;
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bool ret = ktc.ProcessMnemonicEx(charCode);
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if (ret)
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return true;
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if (ktc.KeyTipsKeysStack != oldStack)
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{
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((IKeyTipsControl)this).KeyTipsKeysStack = ktc.KeyTipsKeysStack;
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return false;
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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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private bool _ShowKeyTips = false;
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bool IKeyTipsControl.ShowKeyTips
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{
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get
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{
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return _ShowKeyTips;
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}
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set
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{
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_ShowKeyTips = value;
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Control[] controls = new Control[this.Controls.Count];
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this.Controls.CopyTo(controls, 0);
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foreach (Control c in controls)
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{
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if (c is IKeyTipsControl && c.Enabled && (c.Visible || !_ShowKeyTips))
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((IKeyTipsControl)c).ShowKeyTips = _ShowKeyTips;
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}
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}
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}
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private string m_KeyTipsKeysStack = "";
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string IKeyTipsControl.KeyTipsKeysStack
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{
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get { return m_KeyTipsKeysStack; }
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set
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{
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m_KeyTipsKeysStack = value;
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foreach (Control c in this.Controls)
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{
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if (c is IKeyTipsControl && c.Visible && c.Enabled)
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((IKeyTipsControl)c).KeyTipsKeysStack = m_KeyTipsKeysStack;
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}
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}
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}
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protected override void OnLayout(LayoutEventArgs levent)
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{
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base.OnLayout(levent);
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}
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#endregion
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}
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}
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