344 lines
10 KiB
C#
344 lines
10 KiB
C#
/******************************************************************************
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* SunnyUI 开源控件库、工具类库、扩展类库、多页面开发框架。
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* CopyRight (C) 2012-2022 ShenYongHua(沈永华).
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* QQ群：56829229 QQ：17612584 EMail：SunnyUI@QQ.Com
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*
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* Blog: https://www.cnblogs.com/yhuse
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* Gitee: https://gitee.com/yhuse/SunnyUI
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* GitHub: https://github.com/yhuse/SunnyUI
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*
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* SunnyUI.dll can be used for free under the GPL-3.0 license.
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* If you use this code, please keep this note.
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* 如果您使用此代码，请保留此说明。
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******************************************************************************
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* 文件名称: UIIntegerUpDown.cs
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* 文件说明: 数字上下选择框
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* 当前版本: V3.1
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* 创建日期: 2020-01-01
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*
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* 2020-01-01: V2.2.0 增加文件说明
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* 2020-04-25: V2.2.4 更新主题配置类
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* 2020-08-14: V2.2.7 增加字体调整
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* 2020-12-10: V3.0.9 增加Readonly属性
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* 2022-02-07: V3.1.0 增加圆角控制
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* 2022-02-24: V3.1.1 可以设置按钮大小和颜色
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******************************************************************************/
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using System;
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using System.ComponentModel;
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using System.Drawing;
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using System.Windows.Forms;
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namespace Sunny.UI
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{
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[DefaultEvent("ValueChanged")]
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[DefaultProperty("Value")]
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public sealed partial class UIIntegerUpDown : UIPanel, IToolTip
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{
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public delegate void OnValueChanged(object sender, int value);
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public UIIntegerUpDown()
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{
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InitializeComponent();
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SetStyleFlags();
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ShowText = false;
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edit.Type = UITextBox.UIEditType.Integer;
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edit.Parent = pnlValue;
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edit.Visible = false;
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edit.BorderStyle = BorderStyle.None;
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edit.TextChanged += Edit_TextChanged;
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edit.Leave += Edit_Leave;
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pnlValue.Paint += PnlValue_Paint;
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}
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public Control ExToolTipControl()
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{
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return pnlValue;
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}
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private void PnlValue_Paint(object sender, PaintEventArgs e)
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{
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if (Enabled)
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{
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e.Graphics.DrawLine(RectColor, 0, 0, pnlValue.Width, 0);
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e.Graphics.DrawLine(RectColor, 0, Height - 1, pnlValue.Width, Height - 1);
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}
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else
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{
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e.Graphics.DrawLine(RectDisableColor, 0, 0, pnlValue.Width, 0);
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e.Graphics.DrawLine(RectDisableColor, 0, Height - 1, pnlValue.Width, Height - 1);
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}
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}
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private void Edit_Leave(object sender, EventArgs e)
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{
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if (edit.Visible)
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{
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edit.Visible = false;
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pnlValue.FillColor = pnlColor;
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}
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}
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private void Edit_TextChanged(object sender, EventArgs e)
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{
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if (edit != null && edit.Visible)
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{
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Value = edit.Text.ToInt();
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}
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}
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public event OnValueChanged ValueChanged;
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private int _value;
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[DefaultValue(0)]
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[Description("选中数值"), Category("SunnyUI")]
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public int Value
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{
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get => _value;
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set
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{
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value = CheckMaxMin(value);
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if (_value != value)
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{
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_value = value;
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pnlValue.Text = _value.ToString();
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ValueChanged?.Invoke(this, _value);
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}
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}
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}
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protected override void OnFontChanged(EventArgs e)
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{
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base.OnFontChanged(e);
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if (pnlValue != null)
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{
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pnlValue.IsScaled = true;
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pnlValue.Font = Font;
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}
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if (edit != null)
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{
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edit.IsScaled = true;
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edit.Font = Font;
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}
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}
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private int step = 1;
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[DefaultValue(1)]
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[Description("步进值"), Category("SunnyUI")]
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public int Step
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{
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get => step;
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set => step = Math.Max(1, value);
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}
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private void btnAdd_Click(object sender, EventArgs e)
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{
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if (ReadOnly) return;
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Value += Step;
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if (edit.Visible)
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{
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edit.Visible = false;
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pnlValue.FillColor = pnlColor;
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}
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}
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private void btnDec_Click(object sender, EventArgs e)
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{
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if (ReadOnly) return;
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Value -= Step;
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if (edit.Visible)
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{
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edit.Visible = false;
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pnlValue.FillColor = pnlColor;
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}
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}
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private int _maximum = int.MaxValue;
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private int _minimum = int.MinValue;
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[Description("最大值"), Category("SunnyUI")]
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[DefaultValue(int.MaxValue)]
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public int Maximum
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{
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get => _maximum;
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set
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{
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_maximum = value;
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if (_maximum < _minimum)
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_minimum = _maximum;
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Value = CheckMaxMin(Value);
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edit.MaxValue = _maximum;
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Invalidate();
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}
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}
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[Description("最小值"), Category("SunnyUI")]
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[DefaultValue(int.MinValue)]
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public int Minimum
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{
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get => _minimum;
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set
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{
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_minimum = value;
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if (_minimum > _maximum)
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_maximum = _minimum;
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Value = CheckMaxMin(Value);
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edit.MinValue = _maximum;
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Invalidate();
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}
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}
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private int CheckMaxMin(int value)
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{
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if (hasMaximum)
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{
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if (value > _maximum)
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value = _maximum;
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}
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if (hasMinimum)
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{
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if (value < _minimum)
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value = _minimum;
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}
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return value;
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}
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[DefaultValue(false)]
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[Description("是否判断最大值显示"), Category("SunnyUI")]
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public bool MaximumEnabled
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{
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get => HasMaximum;
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set => HasMaximum = value;
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}
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[DefaultValue(false)]
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[Description("是否判断最小值显示"), Category("SunnyUI")]
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public bool MinimumEnabled
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{
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get => HasMinimum;
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set => HasMinimum = value;
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}
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private bool hasMaximum;
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private bool hasMinimum;
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[DefaultValue(false), Browsable(false)]
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[Description("检查最大值"), Category("SunnyUI")]
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public bool HasMaximum
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{
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get => hasMaximum;
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set
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{
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if (hasMaximum != value)
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{
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hasMaximum = value;
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Value = CheckMaxMin(Value);
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edit.HasMaxValue = value;
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Invalidate();
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}
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}
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}
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[DefaultValue(false), Browsable(false)]
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[Description("检查最小值"), Category("SunnyUI")]
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public bool HasMinimum
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{
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get => hasMinimum;
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set
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{
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if (hasMinimum != value)
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{
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hasMinimum = value;
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Value = CheckMaxMin(Value);
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edit.HasMinValue = value;
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Invalidate();
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}
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}
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}
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private readonly UIEdit edit = new UIEdit();
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private Color pnlColor;
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private void pnlValue_DoubleClick(object sender, EventArgs e)
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{
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if (ReadOnly) return;
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edit.Left = 1;
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edit.Top = (pnlValue.Height - edit.Height) / 2;
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edit.Width = pnlValue.Width - 2;
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pnlColor = pnlValue.FillColor;
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pnlValue.FillColor = Color.White;
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edit.TextAlign = HorizontalAlignment.Center;
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edit.IntValue = Value;
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edit.BringToFront();
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edit.Visible = true;
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edit.Focus();
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edit.SelectAll();
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}
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[DefaultValue(false)]
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[Description("是否只读"), Category("SunnyUI")]
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public bool ReadOnly { get; set; }
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protected override void OnRadiusSidesChange()
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{
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if (btnDec == null || btnAdd == null) return;
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btnDec.RadiusSides =
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(RadiusSides.HasFlag(UICornerRadiusSides.LeftTop) ? UICornerRadiusSides.LeftTop : UICornerRadiusSides.None) |
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(RadiusSides.HasFlag(UICornerRadiusSides.LeftBottom) ? UICornerRadiusSides.LeftBottom : UICornerRadiusSides.None);
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btnAdd.RadiusSides =
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(RadiusSides.HasFlag(UICornerRadiusSides.RightTop) ? UICornerRadiusSides.RightTop : UICornerRadiusSides.None) |
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(RadiusSides.HasFlag(UICornerRadiusSides.RightBottom) ? UICornerRadiusSides.RightBottom : UICornerRadiusSides.None);
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}
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protected override void OnRadiusChanged(int value)
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{
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if (btnDec == null || btnAdd == null) return;
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btnDec.Radius = btnAdd.Radius = value;
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}
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protected override void OnSizeChanged(EventArgs e)
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{
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base.OnSizeChanged(e);
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if (Height < UIGlobal.EditorMinHeight) Height = UIGlobal.EditorMinHeight;
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if (Height > UIGlobal.EditorMaxHeight) Height = UIGlobal.EditorMaxHeight;
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}
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protected override void AfterSetRectColor(Color color)
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{
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base.AfterSetRectColor(color);
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if (btnAdd == null || btnDec == null) return;
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btnAdd.FillColor = btnDec.FillColor = color;
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btnAdd.RectColor = btnDec.RectColor = color;
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}
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protected override void AfterSetFillColor(Color color)
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{
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base.AfterSetFillColor(color);
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if (pnlValue == null) return;
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pnlValue.FillColor = color;
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}
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private int buttonWidth = 29;
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public int ButtonWidth
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{
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get => buttonWidth;
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set
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{
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buttonWidth = Math.Max(value, 29);
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if (btnAdd == null || btnDec == null) return;
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btnAdd.Width = btnDec.Width = buttonWidth;
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}
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}
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}
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} |