Private
Public Access
127 lines
2.8 KiB
C#
127 lines
2.8 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace Advanced_Software_Engineering
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{
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class Command
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{
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Type type;
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Drawer drawer;
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Verb verb;
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public Command(Drawer drawer, string command)
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{
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this.drawer = drawer;
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//Seperate Values
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string[] commandAndParameters = command.Split(" "[0]);
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//Get command class
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type = Verb.verbTypes[commandAndParameters[0]];
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//Create the command's class
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verb = (Verb)Activator.CreateInstance(type);
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}
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public void ExecuteCommand()
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{
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verb.ExecuteVerb();
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}
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public Type getType()
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{
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return type;
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}
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}
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abstract class Verb
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{
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public static Dictionary<string, Type> verbTypes = new Dictionary<string, Type>()
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{
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{ "moveto", typeof(MoveTo) },
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{ "drawto", typeof(DrawTo) },
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{ "clear", null},
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{ "rectangle", null },
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{ "circle", null },
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{ "triangle", null },
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{ "pen", null},
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{ "fill", null }
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};
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public abstract List<List<Type>> acceptedTypes
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{
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get;
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}
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public abstract void ExecuteVerb();
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}
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class MoveTo : Verb
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{
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public override List<List<Type>> acceptedTypes
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{
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get
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{
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return new List<List<Type>> {
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new List<Type> { typeof(Drawer), typeof(int), typeof(int) },
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new List<Type> { typeof(Drawer), typeof(Point) }
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};
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}
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}
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protected Drawer drawer;
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protected Point moveToPoint;
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public MoveTo(Drawer drawer, int x, int y)
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{
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this.drawer = drawer;
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this.moveToPoint = new Point(x, y);
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}
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public MoveTo(Drawer drawer, Point point)
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{
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this.drawer = drawer;
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this.moveToPoint = point;
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}
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public override void ExecuteVerb()
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{
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this.drawer.MovePen(moveToPoint);
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}
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}
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class DrawTo : MoveTo
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{
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public DrawTo(Drawer drawer, int x, int y) : base(drawer, x, y) { }
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public DrawTo(Drawer drawer, Point point) : base(drawer, point) { }
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public override void ExecuteVerb()
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{
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bool penStatus = drawer.isPenDown();
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if (!penStatus) drawer.PenDown();
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base.ExecuteVerb();
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if (!penStatus) drawer.PenUp();
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}
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}
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abstract class Value
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{
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}
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class FlowControl //: Verb //This one will help us in part 2
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{
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}
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}
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