using System.ComponentModel;
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using System.Drawing;
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namespace System.Windows.Forms
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{
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//[Designer(typeof(RibbonUpDown))]
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public class RibbonUpDown : RibbonTextBox
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{
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#region Fields
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private const int spacing = 3;
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//private Ribbon _ownerRibbon;
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private readonly int _UpDownSize = 16;
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#endregion
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#region Events
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public event MouseEventHandler UpButtonClicked;
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public event MouseEventHandler DownButtonClicked;
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#endregion
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#region Ctor
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public RibbonUpDown()
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{
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_textboxWidth = 50;
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_UpDownSize = 16;
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}
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#endregion
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#region Props
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#endregion
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#region Methods
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/// <summary>
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/// Measures the suposed height of the textbox
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/// </summary>
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/// <returns></returns>
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public override int MeasureHeight()
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{
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return 16 + Owner.ItemMargin.Vertical;
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}
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public override void OnPaint(object sender, RibbonElementPaintEventArgs e)
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{
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if (Owner == null) return;
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Owner.Renderer.OnRenderRibbonItem(new RibbonItemRenderEventArgs(Owner, e.Graphics, Bounds, this));
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if (ImageVisible)
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Owner.Renderer.OnRenderRibbonItemImage(new RibbonItemBoundsEventArgs(Owner, e.Graphics, e.Clip, this, _imageBounds));
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using (StringFormat f = StringFormatFactory.NearCenterNoWrap(StringTrimming.None))
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{
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f.Alignment = StringAlignment.Near;
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f.LineAlignment = StringAlignment.Center;
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f.Trimming = StringTrimming.None;
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f.FormatFlags |= StringFormatFlags.NoWrap;
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Owner.Renderer.OnRenderRibbonItemText(new RibbonTextEventArgs(Owner, e.Graphics, Bounds, this, TextBoxTextBounds, TextBoxText, f));
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if (LabelVisible)
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{
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f.Alignment = (StringAlignment)TextAlignment;
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Owner.Renderer.OnRenderRibbonItemText(new RibbonTextEventArgs(Owner, e.Graphics, Bounds, this, LabelBounds, Text, f));
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}
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}
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}
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public override void SetBounds(Rectangle bounds)
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{
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base.SetBounds(bounds);
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_textBoxBounds = Rectangle.FromLTRB(
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bounds.Right - TextBoxWidth - _UpDownSize,
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bounds.Top,
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bounds.Right - _UpDownSize,
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bounds.Bottom);
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if (Image != null)
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_imageBounds = new Rectangle(
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bounds.Left + Owner.ItemMargin.Left,
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bounds.Top + Owner.ItemMargin.Top, Image.Width, Image.Height);
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else
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_imageBounds = new Rectangle(bounds.Location, Size.Empty);
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_labelBounds = Rectangle.FromLTRB(
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_imageBounds.Right + (_imageBounds.Width > 0 ? spacing : 0),
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bounds.Top,
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_textBoxBounds.Left - spacing,
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bounds.Bottom - Owner.ItemMargin.Bottom);
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UpButtonBounds = new Rectangle(bounds.Right - _UpDownSize, bounds.Top, _UpDownSize, bounds.Height / 2);
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DownButtonBounds = new Rectangle(UpButtonBounds.X, UpButtonBounds.Bottom + 1, UpButtonBounds.Width, bounds.Height - UpButtonBounds.Height);
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if (SizeMode == RibbonElementSizeMode.Large)
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{
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_imageVisible = true;
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_labelVisible = true;
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}
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else if (SizeMode == RibbonElementSizeMode.Medium)
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{
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_imageVisible = true;
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_labelVisible = false;
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_labelBounds = Rectangle.Empty;
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}
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else if (SizeMode == RibbonElementSizeMode.Compact)
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{
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_imageBounds = Rectangle.Empty;
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_imageVisible = false;
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_labelBounds = Rectangle.Empty;
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_labelVisible = false;
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}
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}
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public override Size MeasureSize(object sender, RibbonElementMeasureSizeEventArgs e)
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{
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if (!Visible && !Owner.IsDesignMode())
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{
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SetLastMeasuredSize(new Size(0, 0));
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return LastMeasuredSize;
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}
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Size size = Size.Empty;
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int w = 0;
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int iwidth = Image != null ? Image.Width + spacing : 0;
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int lwidth = string.IsNullOrEmpty(Text) ? 0 : _labelWidth > 0 ? _labelWidth : e.Graphics.MeasureString(Text, Owner.Font).ToSize().Width + spacing;
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int twidth = TextBoxWidth;
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w += TextBoxWidth + _UpDownSize;
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switch (e.SizeMode)
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{
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case RibbonElementSizeMode.Large:
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w += iwidth + lwidth;
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break;
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case RibbonElementSizeMode.Medium:
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w += iwidth;
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break;
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}
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SetLastMeasuredSize(new Size(w, MeasureHeight()));
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return LastMeasuredSize;
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}
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public override void OnMouseEnter(MouseEventArgs e)
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{
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if (!Enabled) return;
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base.OnMouseEnter(e);
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if (TextBoxBounds.Contains(e.Location))
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Canvas.Cursor = Cursors.IBeam;
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}
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public override void OnMouseLeave(MouseEventArgs e)
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{
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if (!Enabled) return;
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base.OnMouseLeave(e);
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UpButtonPressed = false;
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DownButtonPressed = false;
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UpButtonSelected = false;
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DownButtonSelected = false;
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Canvas.Cursor = Cursors.Default;
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}
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public override void OnMouseUp(MouseEventArgs e)
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{
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if (!Enabled) return;
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base.OnMouseUp(e);
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bool mustRedraw = false;
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if (UpButtonPressed || DownButtonPressed)
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mustRedraw = true;
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UpButtonPressed = false;
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DownButtonPressed = false;
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if (mustRedraw)
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RedrawItem();
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}
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public override void OnMouseDown(MouseEventArgs e)
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{
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if (!Enabled) return;
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if (UpButtonBounds.Contains(e.Location))
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{
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UpButtonPressed = true;
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DownButtonPressed = false;
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DownButtonSelected = false;
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if (UpButtonClicked != null)
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UpButtonClicked(this, e);
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}
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else if (DownButtonBounds.Contains(e.Location))
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{
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DownButtonPressed = true;
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UpButtonPressed = false;
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UpButtonSelected = false;
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if (DownButtonClicked != null)
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DownButtonClicked(this, e);
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}
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else if (TextBoxBounds.Contains(e.X, e.Y) && AllowTextEdit)
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{
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StartEdit();
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}
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}
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public override void OnMouseMove(MouseEventArgs e)
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{
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if (!Enabled) return;
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base.OnMouseMove(e);
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bool mustRedraw = false;
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if (UpButtonBounds.Contains(e.Location))
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{
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Owner.Cursor = Cursors.Default;
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mustRedraw = !UpButtonSelected || DownButtonSelected || DownButtonPressed;
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UpButtonSelected = true;
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DownButtonSelected = false;
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DownButtonPressed = false;
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}
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else if (DownButtonBounds.Contains(e.Location))
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{
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Owner.Cursor = Cursors.Default;
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mustRedraw = !DownButtonSelected || UpButtonSelected || UpButtonPressed;
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DownButtonSelected = true;
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UpButtonSelected = false;
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UpButtonPressed = false;
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}
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else if (TextBoxBounds.Contains(e.X, e.Y))
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{
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Owner.Cursor = Cursors.IBeam;
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mustRedraw = DownButtonSelected || DownButtonPressed || UpButtonSelected || UpButtonPressed;
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UpButtonSelected = false;
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UpButtonPressed = false;
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DownButtonSelected = false;
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DownButtonPressed = false;
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}
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else
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{
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Owner.Cursor = Cursors.Default;
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}
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if (mustRedraw)
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{
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RedrawItem();
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}
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}
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#endregion
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#region Properties
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///// <summary>
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///// Gets the Ribbon this DropDown belongs to
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///// </summary>
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//public Ribbon OwnerRibbon
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//{
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// get { return _ownerRibbon; }
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//}
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/// <summary>
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/// Gets a value indicating if the Up button is currently pressed
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/// </summary>
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[Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
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public bool UpButtonPressed { get; private set; }
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/// <summary>
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/// Gets a value indicating if the Down button is currently pressed
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/// </summary>
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[Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
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public bool DownButtonPressed { get; private set; }
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/// <summary>
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/// Gets a value indicating if the Up button is currently selected
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/// </summary>
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[Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
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public bool UpButtonSelected { get; private set; }
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/// <summary>
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/// Gets a value indicating if the Down button is currently selected
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/// </summary>
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[Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
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public bool DownButtonSelected { get; private set; }
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/// <summary>
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/// Gets or sets the bounds of the DropDown button
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/// </summary>
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[Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
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public Rectangle UpButtonBounds { get; private set; }
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/// <summary>
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/// Gets or sets the bounds of the DropDown button
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/// </summary>
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[Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
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public Rectangle DownButtonBounds { get; private set; }
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///// <summary>
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///// Overriden.
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///// </summary>
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//[DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
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//public override Rectangle TextBoxTextBounds
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//{
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// get
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// {
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// Rectangle r = base.TextBoxTextBounds;
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// r.Width -= _UpButtonBounds.Width;
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// return r;
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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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