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* UICheckBoxGroup: 重写UICheckBoxGroup

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This commit is contained in:
Sunny 2023-11-08 15:24:32 +08:00
parent 0c1b7d13ba
commit 0d86af2a23
1 changed files with 99 additions and 13 deletions
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112
SunnyUI/Controls/UICheckBoxGroup.cs
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@ -50,7 +50,7 @@ namespace Sunny.UI
/// <param name="index">索引</param>
/// <param name="text">文字</param>
/// <param name="isChecked">是否选中</param>
public delegate void OnValueChanged(object sender, int index, string text, bool isChecked);
public delegate void OnValueChanged(object sender, CheckBoxGroupEventArgs e);
/// <summary>
/// 值切换事件
@ -65,6 +65,7 @@ namespace Sunny.UI
items.CountChange += Items_CountChange;
ForeColor = UIStyles.Blue.CheckBoxForeColor;
checkBoxColor = UIStyles.Blue.CheckBoxColor;
hoverColor = UIStyles.Blue.ListItemHoverColor;
}
private Color checkBoxColor;
@ -85,6 +86,7 @@ namespace Sunny.UI
set
{
SetItemCheckState(index, value);
ValueChanged?.Invoke(this, new CheckBoxGroupEventArgs(index, Items[index].ToString(), this[index], SelectedIndexes.ToArray()));
Invalidate();
}
}
@ -116,6 +118,7 @@ namespace Sunny.UI
CheckStates.Clear();
CheckBoxRects.Clear();
Invalidate();
ValueChanged?.Invoke(this, new CheckBoxGroupEventArgs(-1, "", false, SelectedIndexes.ToArray()));
}
/// <summary>
@ -139,6 +142,24 @@ namespace Sunny.UI
base.SetStyleColor(uiColor);
checkBoxColor = uiColor.CheckBoxColor;
ForeColor = uiColor.CheckBoxForeColor;
hoverColor = uiColor.ListItemHoverColor;
}
private Color hoverColor;
/// <summary>
/// 填充颜色，当值为背景色或透明色或空值则不填充
/// </summary>
[Description("鼠标滑过填充颜色"), Category("SunnyUI")]
[DefaultValue(typeof(Color), "155, 200, 255")]
public Color HoverColor
{
get => hoverColor;
set
{
hoverColor = value;
Invalidate();
}
}
/// <summary>
@ -165,6 +186,11 @@ namespace Sunny.UI
base.OnPaint(e);
if (Items.Count == 0) return;
if (activeIndex >= 0 && CheckBoxRects.ContainsKey(activeIndex))
{
e.Graphics.FillRectangle(hoverColor, CheckBoxRects[activeIndex]);
}
int startX = StartPos.X;
int startY = TitleTop + StartPos.Y;
@ -176,10 +202,16 @@ namespace Sunny.UI
int left = startX + ItemSize.Width * columnIndex + ColumnInterval * columnIndex;
int top = startY + ItemSize.Height * rowIndex + RowInterval * rowIndex;
Rectangle rect = new Rectangle(left, top, ItemSize.Width, ItemSize.Height);
if (CheckBoxRects.NotContainsKey(i))
CheckBoxRects.Add(i, rect);
else
CheckBoxRects[i] = rect;
int ImageSize = CheckBoxSize;
//图标
top = rect.Top + (rect.Height - ImageSize) / 2;
left = rect.Left + 6;
Color color = Enabled ? checkBoxColor : foreDisableColor;
if (this[i])
@ -203,14 +235,42 @@ namespace Sunny.UI
e.Graphics.DrawRectangle(pn, new Rectangle((int)left + 2, (int)top + 2, ImageSize - 4, ImageSize - 4));
}
e.Graphics.DrawString(text, Font, ForeColor, rect, ContentAlignment.MiddleLeft, ImageSize + 4, 0);
if (CheckBoxRects.NotContainsKey(i))
CheckBoxRects.Add(i, rect);
else
CheckBoxRects[i] = rect;
e.Graphics.DrawString(text, Font, ForeColor, rect, ContentAlignment.MiddleLeft, ImageSize + 10, 0);
}
}
int activeIndex = -1;
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
int index = -1;
foreach (var item in CheckBoxRects)
{
if (e.Location.InRect(item.Value))
{
index = item.Key;
break;
}
}
if (activeIndex != index)
{
activeIndex = index;
Invalidate();
}
}
protected override void OnMouseLeave(EventArgs e)
{
base.OnMouseLeave(e);
activeIndex = -1;
Invalidate();
}
protected override void OnMouseClick(MouseEventArgs e)
{
base.OnMouseClick(e);
@ -220,7 +280,6 @@ namespace Sunny.UI
if (e.Location.InRect(pair.Value) && pair.Key >= 0 && pair.Key < items.Count)
{
this[pair.Key] = !this[pair.Key];
ValueChanged?.Invoke(this, pair.Key, Items[pair.Key].ToString(), this[pair.Key]);
Invalidate();
}
}
@ -244,6 +303,11 @@ namespace Sunny.UI
}
set
{
for (int i = 0; i < Items.Count; i++)
{
SetItemCheckState(i, false);
}
foreach (int i in value)
{
if (i >= 0 && i < Items.Count)
@ -252,6 +316,7 @@ namespace Sunny.UI
}
}
ValueChanged?.Invoke(this, new CheckBoxGroupEventArgs(-1, "", false, SelectedIndexes.ToArray()));
Invalidate();
}
}
@ -261,7 +326,7 @@ namespace Sunny.UI
/// </summary>
/// <param name="index">索引</param>
/// <param name="isChecked">是否选中</param>
public void SetItemCheckState(int index, bool isChecked)
private void SetItemCheckState(int index, bool isChecked)
{
if (index >= 0 && index < Items.Count && CheckStates.NotContainsKey(index))
{
@ -276,7 +341,7 @@ namespace Sunny.UI
/// </summary>
/// <param name="index">索引</param>
/// <returns>是否选中</returns>
public bool GetItemCheckState(int index)
private bool GetItemCheckState(int index)
{
if (index >= 0 && index < items.Count && CheckStates.ContainsKey(index))
return CheckStates[index];
@ -320,12 +385,12 @@ namespace Sunny.UI
}
}
private Size _itemSize = new Size(150, 35);
private Size _itemSize = new Size(150, 29);
/// <summary>
/// 显示项的大小
/// </summary>
[DefaultValue(typeof(Size), "150, 35")]
[DefaultValue(typeof(Size), "150, 29")]
[Description("显示项的大小"), Category("SunnyUI")]
public Size ItemSize
{
@ -372,12 +437,12 @@ namespace Sunny.UI
}
}
private int rowInterval;
private int rowInterval = 2;
/// <summary>
/// 显示项行之间的间隔
/// </summary>
[DefaultValue(0)]
[DefaultValue(2)]
[Description("显示项行之间的间隔"), Category("SunnyUI")]
public int RowInterval
{
@ -399,6 +464,7 @@ namespace Sunny.UI
SetItemCheckState(i, true);
}
ValueChanged?.Invoke(this, new CheckBoxGroupEventArgs(-1, "", false, SelectedIndexes.ToArray()));
Invalidate();
}
@ -412,6 +478,7 @@ namespace Sunny.UI
SetItemCheckState(i, false);
}
ValueChanged?.Invoke(this, new CheckBoxGroupEventArgs(-1, "", false, SelectedIndexes.ToArray()));
Invalidate();
}
@ -425,7 +492,26 @@ namespace Sunny.UI
SetItemCheckState(i, !this[i]);
}
ValueChanged?.Invoke(this, new CheckBoxGroupEventArgs(-1, "", false, SelectedIndexes.ToArray()));
Invalidate();
}
}
public class CheckBoxGroupEventArgs : EventArgs
{
public int Index { get; set; }
public string Text { get; set; }
public bool Checked { get; set; }
public int[] SelectedIndexes { get; set; }
public CheckBoxGroupEventArgs(int index, string text, bool isChecked, int[] indexes)
{
Index = index;
Text = text;
Checked = isChecked;
SelectedIndexes = indexes;
}
}
}