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User-driven applications

, 10 Apr 2010
User-driven applications are the programs in which full control is given to the users. Designers of such programs are responsible only for developing an instrument for solving some task, but they do not enforce users to work with this instrument according with a predefined scenario.
TheoryOfUserDrivenApplications.zip
TheoryOfUserDrivenApplications
TheoryOfUserDrivenApplications
bin
Debug
TheoryOfUserDrivenApplications.vshost.exe
Release
MoveGraphLibrary.dll
TheoryOfUserDrivenApplications.bin
TheoryOfUserDrivenApplications.exe
TheoryOfUserDrivenApplications.vshost.exe
Properties
Settings.settings
Resources
ArrowDown.bmp
ArrowUp.bmp
DELETE.BMP
Hangar.bmp
Lock.bmp
palette_.bmp
RuralHouse.bmp
RuralLeftPlus.bmp
RuralRightPlus.bmp
SimpleHouse.bmp
User_driven_applications.doc
User_driven_applications.pdf
using System;
using System .Collections .Generic;
using System .ComponentModel;
using System .Drawing;
using System .Windows .Forms;
using System .IO;
using Microsoft .Win32;

using MoveGraphLibrary;

namespace UserDrivenApplications
{
    public class ButtonsSketch : GraphicalObject
    {
        int version = 606;
        int idCode;
        bool bSelected;

        Rectangle rc, rcSelect;
        int nBtns;
        int [] places;
        Point [] ptBtn;

        int w = 16;     // sizes for the "buttons"
        int h = 8;
        int spaceInside = 4;        // spaces between "buttons"
        int spaceOnBorders = 6;     // spaces on the sides
        int sideSelectSquare = 14;
        SolidBrush brushBtns;
        Pen penFrame = new Pen (SystemColors .Highlight);

        // -------------------------------------------------
        public ButtonsSketch (int nView, bool bSelect, Point pt, int [] placement, SolidBrush brushButtons)
        {
            idCode = nView;
            bSelected = bSelect;
            int cxL = pt .X;
            int cyT = pt .Y;
            int cxR = cxL;
            int cyB = cyT;
            nBtns = placement .Length;
            places = placement;
            ptBtn = new Point [nBtns];
            int iRow, jCol;
            int maxPlacement = nBtns * nBtns - 1;
            for (int i = 0; i < nBtns; i++)
            {
                places [i] = Math .Min (Math .Max (0, places [i]), maxPlacement);
                iRow = places [i] / nBtns;
                jCol = places [i] % nBtns;
                ptBtn [i] = new Point (cxL + spaceOnBorders + jCol * (w + spaceInside), cyT + spaceOnBorders + iRow * (h + spaceInside));
                cxR = Math .Max (cxR, ptBtn [i] .X + w + spaceOnBorders);
                cyB = Math .Max (cyB, ptBtn [i] .Y + h + spaceOnBorders);
            }
            rc = Rectangle .FromLTRB (cxL, cyT, cxR, cyB);
            rc .Width += sideSelectSquare + 4;
            rcSelect = new Rectangle (rc .Right - (sideSelectSquare + 4), rc .Top + 4, sideSelectSquare, sideSelectSquare);
            brushBtns = brushButtons;
        }
        // -------------------------------------------------        Code
        public int Code
        {
            get { return (idCode); }
        }
        // -------------------------------------------------        Selected
        public bool Selected
        {
            get { return (bSelected); }
            set { bSelected = value; }
        }
        // -------------------------------------------------        RectAround
        new public Rectangle RectAround
        {
            get { return (rc); }
        }
        // -------------------------------------------------        Places
        public int [] Places
        {
            get { return (places); }
        }
        // -------------------------------------------------        Draw
        public void Draw (Graphics grfx)
        {
            Pen penConnect = new Pen (brushBtns .Color, 2);

            Auxi_Drawing .CurvedFrame (grfx, rc, penFrame);
            for (int i = 0; i < ptBtn .Length; i++)
            {
                grfx .FillRectangle (brushBtns, ptBtn [i] .X, ptBtn [i] .Y, w, h);
                grfx .DrawRectangle (Pens .DarkGray, ptBtn [i] .X, ptBtn [i] .Y, w, h);
                if (i > 0)
                {
                    if (ptBtn [i] .X == ptBtn [i - 1] .X  ||  ptBtn [i] .Y == ptBtn [i - 1] .Y)
                    {
                        grfx .DrawLine (penConnect, ptBtn [i] .X + w / 2, ptBtn [i] .Y + h / 2,
                                                    ptBtn [i - 1] .X + w / 2, ptBtn [i - 1] .Y + h / 2);
                    }
                }
            }
            ControlPaint .DrawCheckBox (grfx, rcSelect, bSelected ? ButtonState .Checked : ButtonState .Normal);
        }
        // -------------------------------------------------        DefineCover
        public override void DefineCover ()
        {
            CoverNode [] nodes = new CoverNode [] { new CoverNode (0, rcSelect, Cursors .Hand), new CoverNode (1, rc, Cursors .SizeAll) };
            cover = new Cover (nodes);
        }
        // -------------------------------------------------        Move
        public override void Move (int dx, int dy)
        {
            rc .X += dx;
            rc .Y += dy;
            for (int i = 0; i < ptBtn .Length; i++)
            {
                ptBtn [i] .X += dx;
                ptBtn [i] .Y += dy;
            }
            rcSelect .X += dx;
            rcSelect .Y += dy;
        }
        // -------------------------------------------------        MoveNode
        public override bool MoveNode (int i, int dx, int dy, Point ptM, MouseButtons catcher)
        {
            bool bRet = false;

            if (catcher == MouseButtons .Left)
            {
                if (i == 1)
                {
                    Move (dx, dy);
                    bRet = true;
                }
            }
            return (bRet);
        }

        const string nameMain = "BtnsSketch_";
        const string namePlaces = "BtnsSketchPlaces_";
        // -------------------------------------------------        IntoRegistry
        public void IntoRegistry (RegistryKey regkey, string strA)
        {
            try
            {
                Color clr = brushBtns .Color;
                regkey .SetValue (nameMain + strA, new string [] {version .ToString (),             // 0
                                                                  idCode .ToString (),              // 1
                                                                  bSelected .ToString (),           // 2
                                                                  rc .Left .ToString (),            // 3
                                                                  rc .Top .ToString (),             // 4
                                                                  nBtns .ToString (),               // 5
                                                                  ((int) (clr .A)) .ToString (),    // 6 
                                                                  ((int) (clr .R)) .ToString (),    // 7 
                                                                  ((int) (clr .G)) .ToString (),    // 8 
                                                                  ((int) (clr .B)) .ToString (),    // 9
                                                                 },
                                                    RegistryValueKind .MultiString);
                string [] strsPl = new string [nBtns];
                for (int i = 0; i < nBtns; i++)
                {
                    strsPl [i] = places [i] .ToString ();
                }
                regkey .SetValue (namePlaces + strA, strsPl, RegistryValueKind .MultiString);
            }
            catch
            {
            }
            finally
            {
            }
        }
        // -------------------------------------------------        FromRegistry
        public static ButtonsSketch FromRegistry (RegistryKey regkey, string strA)
        {
            try
            {
                string [] strs = (string []) regkey .GetValue (nameMain + strA);
                string [] strsPl = (string []) regkey .GetValue (namePlaces + strA);
                if (strs != null && strs .Length == 10 && Convert .ToInt32 (strs [0]) == 606  &&
                    strsPl != null && strsPl .Length == Convert .ToInt32 (strs [5]))
                {
                    int nButtons = strsPl .Length;
                    int [] placement = new int [nButtons];
                    for (int i = 0; i < nButtons; i++)
                    {
                        placement [i] = Convert .ToInt32 (strsPl [i]);
                    }
                    ButtonsSketch sketch = new ButtonsSketch (Convert .ToInt32 (strs [1]),      // code
                                                              Convert .ToBoolean (strs [2]),    // bSelect
                                                              Auxi_Convert .ToPoint (strs, 3),  // pt
                                                              placement,
                                                              new SolidBrush (Auxi_Convert .ToColor (strs, 6)));
                    return (sketch);
                }
                else
                {
                    return (null);
                }
            }
            catch
            {
                return (null);
            }
            finally
            {
            }
        }
        // -------------------------------------------------        IntoFile
        public void IntoFile (BinaryWriter bw)
        {
            try
            {
                bw .Write (version);            // 0
                bw .Write (idCode);             // 1
                bw .Write (bSelected);          // 2
                Auxi_IO .Write_Point (bw, rc .Location);    // 3, 4
                bw .Write (nBtns);              // 5
                Auxi_IO .Write_Color (bw, brushBtns .Color);    // 6 - 9
                for (int i = 0; i < nBtns; i++)
                {
                    bw .Write (places [i]);
                }
            }
            catch
            {
            }
            finally
            {
            }
        }
        // -------------------------------------------------        FromFile
        public static ButtonsSketch FromFile (Form form, BinaryReader br)
        {
            try
            {
                int ver = br .ReadInt32 (); // 0
                if (ver != 606)
                {
                    return (null);
                }
                int code = br .ReadInt32 ();            // 1
                bool bSelect = br .ReadBoolean ();      // 2
                Point pt = Auxi_IO .Read_Point (br);    // 3, 4
                int nButtons = br .ReadInt32 ();        // 5
                SolidBrush brushButtons = new SolidBrush (Auxi_IO .Read_Color (br));    // 6 - 9
                int [] placement = new int [nButtons];
                for (int i = 0; i < nButtons; i++)
                {
                    placement [i] = br .ReadInt32 ();
                }
                ButtonsSketch sketch = new ButtonsSketch (code, bSelect, pt, placement, brushButtons);
                return (sketch);
            }
            catch
            {
                return (null);
            }
            finally
            {
            }
        }
    }
}

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SergeyAndreyev

United States United States
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