120 lines
3.6 KiB
C#
120 lines
3.6 KiB
C#
using MetroGauges.Controls.DrawTools;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Input;
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using System.Windows.Media;
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namespace MetroGauges.Controls
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{
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public class TextTool : DrawToolBase
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{
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TextBox textBox;
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System.Timers.Timer timer = new System.Timers.Timer();
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public TextTool(DesignControl canvas) : base(canvas)
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{
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IsStartDraw = true;
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}
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public override void MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
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{
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if (IsStartDraw)
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{
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Point mousePosition = Mouse.GetPosition(this.DrawDesign.canvasDesign);
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if (!this.DrawDesign.canvasDesign.Children.Contains(textBox))
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{
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textBox = new TextBox();
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textBox.Foreground= new SolidColorBrush(Colors.White);
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textBox.KeyDown += TextBox_KeyDown;
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this.DrawDesign.canvasDesign.Children.Add(textBox);
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timer.Elapsed += Timer_Elapsed;
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}
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//添加文本到画布
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if(!string.IsNullOrWhiteSpace(textBox.Text))
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{
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Point point = (Point)textBox.DataContext;
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TextBlock textBlock = new TextBlock();
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textBlock.Text = textBox.Text;
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textBlock.Foreground = new SolidColorBrush(Colors.White);
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Canvas.SetLeft(textBlock, point.X+2);
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Canvas.SetTop(textBlock, point.Y+6);
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textBlock.DataContext = point;
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this.AddShap(textBlock);
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textBox.Text = "";
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}
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timer.Interval = 300;
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timer.Start();
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Canvas.SetLeft(textBox, mousePosition.X);
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Canvas.SetTop(textBox, mousePosition.Y);
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textBox.DataContext = new Point() { X = mousePosition.X, Y = mousePosition.Y };
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if (e == null)
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{
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MouseRightButtonUp(sender, e);
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}
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}
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}
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private void TextBox_KeyDown(object sender, KeyEventArgs e)
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{
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if (e.Key == Key.Enter)
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{
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MouseLeftButtonDown(sender, null);
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}
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}
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public override void Highlight(FrameworkElement shape)
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{
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this.DrawDesign.CrrentDrawTool = this;
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base.Highlight(shape);
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}
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private void Timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
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{
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this.DrawDesign.Dispatcher.Invoke(new Action(() => { textBox.Focus(); }));
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timer.Stop();
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}
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public override void MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
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{
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}
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public override void MouseMove(object sender, MouseEventArgs e)
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{
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}
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public override void MouseRightButtonUp(object sender, MouseButtonEventArgs e)
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{
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IsStartDraw = false;
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this.DrawDesign.canvasDesign.Children.Remove(textBox);
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//textBox.Focus();
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}
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public override void m_Root_MouseRightButtonDown(object sender, MouseButtonEventArgs e)
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{
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}
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public override void Deactivated()
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{
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IsStartDraw = false;
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this.DrawDesign.canvasDesign.Children.Remove(textBox);
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}
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}
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}
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