public MainForm()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
// Analyse current graphics resolution
Graphics g = this.CreateGraphics();
if(g != null)
{
if(g.DpiX != 96 || g.DpiY != 96)
{
this.scaleRatioX = g.DpiX/96f;
this.scaleRatioY = g.DpiY/96f;
}
}
g.Dispose();
// Load settings from XML data file
LoadSettings();
// Initialize content/index tab control
tabControlContent = new VerticalTabControl();
tabControlContent.Vertical = false;
tabControlContent.Dock = DockStyle.Fill;
tabControlContent.BackColor = Color.White;
tabControlContent.BorderColor = Color.FromArgb(191,191,191);
tabControlContent.Font = new Font("Verdana", 8, FontStyle.Bold);
// Add Content page
tabControlContent.TabPages.Add("Contents");
tabControlContent.TabPages[0].Controls.Add(this.treeSamples);
this.treeSamples.Dock = DockStyle.Fill;
// Add Index page
tabControlContent.TabPages.Add("Index");
tabControlContent.TabPages[1].Controls.Add(this.panelIndex);
this.panelIndex.Dock = DockStyle.Fill;
// Add event handler when selected tab changes
tabControlContent.SelectedIndexChanged += new System.EventHandler(this.tabControlContent_SelectedIndexChanged);
// Add tab control into the panel
this.panelTree.Controls.Add(tabControlContent);
// Initialize sample tab control
tabControlSample.Vertical = false;
tabControlSample.BackColor = Color.White;
tabControlSample.BorderColor = Color.FromArgb(191,191,191);
tabControlSample.Font = new Font("Verdana", 8, FontStyle.Bold);
tabControlSample.ForeColor = Color.FromArgb(117,117,117);
// Position sample tab control so that top of the tabs aligned with the
// bottom of content tabs
int tabHeight = tabControlContent.GetButtonHeight() + 1;
tabControlSample.Height += tabControlSample.Top - tabHeight;
tabControlSample.Top = tabControlContent.Top + tabHeight;
// Set sample tab control image
tabControlSample.BackgroundImage = (Image)pictureBoxHeaderRight.Image.Clone();
tabControlSample.BackImageOffsetX = pictureBoxHeaderRight.Right - (tabControlSample.Right + panelContent.Left) + 4;
tabControlSample.BackImageOffsetY = panelContent.Top + tabControlSample.Top;
// Add Content page
tabControlSample.TabPages.Add("Sample");
tabControlSample.TabPages[0].Font = new Font("Verdana", 9);
tabControlSample.TabPages[0].ForeColor = Color.FromArgb(26,59,105);
// Add event handler when selected sample tab changes
tabControlSample.SelectedIndexChanged += new System.EventHandler(this.tabControlSample_SelectedIndexChanged);
// Set sample title image and position
labelSampleTitle.Top = tabControlSample.Top + panelContent.Top - labelSampleTitle.Height;
labelSampleTitle.BackImage = (Image)pictureBoxHeaderRight.Image.Clone();
// Align sample title with the splitter
labelSampleTitle.Left = splitterVertical.Right + 5;
if(labelSampleTitle.Left < 264)
{
labelSampleTitle.Left = 264;
}
labelSampleTitle.Width = this.Width - labelSampleTitle.Left - 4;
// Update size of the components to fit specified images
panelHeader.Height = pictureBoxHeaderLeft.Image.Height;
//panelFooter.Height = pictureBoxFooterRight.Image.Height;
// Scale Prev/Next buttons
if(this.scaleRatioX != 1f || this.scaleRatioY != 1f)
{
buttonSamplePrevious.Width = (int)(buttonSamplePrevious.Width * this.scaleRatioX);
buttonSamplePrevious.Height = (int)(buttonSamplePrevious.Height *this.scaleRatioY);
buttonSampleNext.Width = (int)(buttonSampleNext.Width * this.scaleRatioX);
buttonSampleNext.Height = (int)(buttonSampleNext.Height * this.scaleRatioY);
}
// Position Prev/Next buttons
buttonSamplePrevious.Top = labelSampleTitle.Bottom + 1;
buttonSampleNext.Top = labelSampleTitle.Bottom + 1;
buttonSampleNext.Left = this.Width - buttonSampleNext.Width - 15;
buttonSamplePrevious.Left = buttonSampleNext.Left - buttonSamplePrevious.Width - 5;
}
/// <summary>
/// The constructor, which takes the vertical tab control owner of this object.
/// <seealso cref="VerticalTabControl"/>
/// <seealso cref="VerticalTabPage"/>
/// </summary>
/// <param name="tabControl">Owner of the collection.</param>
public VerticalTabPageCollection(VerticalTabControl tabControl)
{
this.tabControl = tabControl;
}
/// <summary>
/// The constructor, which takes the vertical tab control owner of this object.
/// <seealso cref="VerticalTabControl"/>
/// <seealso cref="VerticalTabPage"/>
/// </summary>
/// <param name="tabControl">Owner of the collection.</param>
public VerticalTabPageCollection(VerticalTabControl tabControl)
{
this.tabControl = tabControl;
}
/// <summary>
/// Draw horizontal button back on the graphics specified.
/// </summary>
/// <param name="graphics">Button graphics object.</param>
private void DrawHorizontalButtonBack(Graphics graphics)
{
// Define button radius
int radius = (int)Math.Round(this.ClientRectangle.Height / 3.0);
// Draw background image
VerticalTabControl tabControl = this.Parent as VerticalTabControl;
if (tabControl != null && tabControl.BackgroundImage != null)
{
int height = tabControl.GetButtonHeight() + 1;
// Draw image in the background of the tab controls.
// Image must be aligne to the bottom-right corner of the tabs area.
Rectangle destRect = new Rectangle(
tabControl.Right - tabControl.BackgroundImage.Width + tabControl.BackImageOffsetX - this.Left,
0,
tabControl.BackgroundImage.Width,
height);
ImageAttributes imageAttributes = new ImageAttributes();
graphics.DrawImage(
tabControl.BackgroundImage,
destRect,
0,
tabControl.BackImageOffsetY + this.Top,
tabControl.BackgroundImage.Width,
height,
GraphicsUnit.Pixel,
imageAttributes);
}
// Create button border path
using (GraphicsPath buttonPath = new GraphicsPath())
{
// Left vertical line
buttonPath.AddLine(
this.ClientRectangle.X,
this.ClientRectangle.Bottom,
this.ClientRectangle.X,
this.ClientRectangle.Y + radius);
// Top left arc
buttonPath.AddArc(
this.ClientRectangle.X,
this.ClientRectangle.Y,
2 * radius,
2 * radius,
180,
90);
// Top horizontal line
buttonPath.AddLine(
this.ClientRectangle.X + radius,
this.ClientRectangle.Y,
this.ClientRectangle.Right - radius,
this.ClientRectangle.Y);
// Top right arc
buttonPath.AddArc(
this.ClientRectangle.Right - 1 - 2 * radius,
this.ClientRectangle.Y,
2 * radius,
2 * radius,
270,
90);
// Right vertical line
buttonPath.AddLine(
this.ClientRectangle.Right - 1,
this.ClientRectangle.Y + radius,
this.ClientRectangle.Right - 1,
this.ClientRectangle.Bottom);
// Bottom horizontal line
if (!this.SelectedTab)
{
buttonPath.AddLine(
this.ClientRectangle.X,
this.ClientRectangle.Bottom - 1,
this.ClientRectangle.Right,
this.ClientRectangle.Bottom - 1);
}
// Fill button background
if (this.SelectedTab)
{
Rectangle brushRect = this.ClientRectangle;
using (LinearGradientBrush backBrush = new LinearGradientBrush(brushRect, this.selectedGradientBackColor, this.BackColor, 90))
{
Blend blend = new Blend(3);
blend.Positions[0] = 0.0f;
blend.Positions[1] = 0.8f;
blend.Positions[2] = 1.0f;
blend.Factors[0] = 0.0f;
blend.Factors[1] = 1.0f;
blend.Factors[2] = 1.0f;
backBrush.Blend = blend;
graphics.FillPath(backBrush, buttonPath);
}
}
else
{
using (SolidBrush backBrush = new SolidBrush((this.SelectedTab) ? this.BackColor : nonSelectedBackColor))
{
graphics.FillPath(backBrush, buttonPath);
}
}
// Draw button border using Anti-Aliasing
using (Pen pen = new Pen(this.borderColor, 1))
{
SmoothingMode oldMode = graphics.SmoothingMode;
graphics.SmoothingMode = SmoothingMode.AntiAlias;
graphics.DrawPath(pen, buttonPath);
graphics.SmoothingMode = oldMode;
}
}
}