Image CreatePreviewImage(string s1,string s2)
{
int height = 80;
int width = 530;
int space = 2;
int size = 30;
int leftSpan = 15;
int topSpan = 5;
SquareLine squareLineLa;
SquareLine squareLineLb;
ArrayList squareArrayLa = new ArrayList();
ArrayList squareArrayLb = new ArrayList();
IGlyph glyph;
for(int i=0;i<s1.Length;i++)
{
glyph = new Square(leftSpan + i*(size + space),topSpan,size,Color.DarkCyan,GlyphAppearance.Flat,s1[i].ToString());
squareArrayLa.Add(glyph);
}
for(int i=0;i<s2.Length;i++)
{
glyph = new Square(leftSpan + i*(size + space),topSpan + size + 2,size,Color.DarkCyan,GlyphAppearance.Flat,s2[i].ToString());
squareArrayLb.Add(glyph);
}
squareLineLa = new SquareLine(1,1,1,squareArrayLa);
squareLineLb = new SquareLine(1,1,1,squareArrayLb);
IIterator arrayIteratorLa = squareLineLa.CreateIterator();
IIterator arrayIteratorLb = squareLineLb.CreateIterator();
Bitmap bmp = new Bitmap(width,height);
Graphics g = Graphics.FromImage(bmp);
if(arrayIteratorLa != null)
{
for(IIterator iterator = arrayIteratorLa.First();!arrayIteratorLa.IsDone();iterator = arrayIteratorLa.Next())
{
iterator.CurrentItem.Draw(g);
}
}
if(arrayIteratorLb != null)
{
for(IIterator iterator = arrayIteratorLb.First();!arrayIteratorLb.IsDone();iterator = arrayIteratorLb.Next())
{
iterator.CurrentItem.Draw(g);
}
}
return bmp;
}
Image CreatePreviewImage(string s,string t,int pos)
{
int height = 80;
int width = 530;
int space = 2;
int size = 30;
int leftSpan = 15;
int topSpan = 3;
SquareLine squareLineS;
SquareLine squareLineT;
ArrayList squareArrayS = new ArrayList();
ArrayList squareArrayT = new ArrayList();
IGlyph glyph;
for(int i=0;i<s.Length;i++)
{
glyph = new Square(leftSpan + i*(size + space),topSpan,size,SystemColors.InactiveBorder,GlyphAppearance.Popup,s[i].ToString());
squareArrayS.Add(glyph);
}
int startX = ((IGlyph)squareArrayS[pos - 1]).Bounds.X;
for(int i=0;i<t.Length;i++)
{
glyph = new Square(startX + i*(size + space),topSpan + size + 2,size,SystemColors.InactiveBorder,GlyphAppearance.Popup,t[i].ToString());
squareArrayT.Add(glyph);
}
squareLineS = new SquareLine(0,0,1,squareArrayS);
squareLineT = new SquareLine(0,0,1,squareArrayT);
//最后初始化所有的迭代器
IIterator arrayIteratorS = squareLineS.CreateIterator();
IIterator arrayIteratorT = squareLineT.CreateIterator();
Bitmap bmp = new Bitmap(width,height);
Graphics g = Graphics.FromImage(bmp);
for(IIterator iterator = arrayIteratorS.First();!arrayIteratorS.IsDone();iterator = arrayIteratorS.Next())
{
iterator.CurrentItem.Draw(g);
}
for(IIterator iterator = arrayIteratorT.First();!arrayIteratorT.IsDone();iterator = arrayIteratorT.Next())
{
iterator.CurrentItem.Draw(g);
}
return bmp;
}
Image CreatePreviewImage(string s,int pos,char c)
{
int height = 80;
int width = 530;
int space = 2;
int size = 35;
int leftSpan = 15;
int topSpan = 40;
ArrayList squareArray = new ArrayList();
IGlyph glyph;
for(int i=0;i<s.Length;i++)
{
glyph = new Square(leftSpan + i*(size + space),topSpan,size,Color.HotPink,GlyphAppearance.Flat,s[i].ToString());
squareArray.Add(glyph);
}
SquareLine squareLine = new SquareLine(1,1,1,squareArray);
Rectangle rec = new Rectangle(0,0,0,0);
if(pos >= 1 && pos <= s.Length)
{
rec = ((IGlyph)squareArray[pos-1]).Bounds;
}
else if(pos == s.Length + 1)
{
Rectangle lastRectangle = ((IGlyph)squareArray[pos-2]).Bounds;
rec = new Rectangle(lastRectangle.X + lastRectangle.Width + space,lastRectangle.Y - lastRectangle.Height,lastRectangle.Width,lastRectangle.Height);
}
Square insertSquare = new Square(rec.X,topSpan - size - 2,rec.Width,Color.Green,GlyphAppearance.Flat,c.ToString());
//最后初始化所有的迭代器
IIterator arrayIterator = squareLine.CreateIterator();
IIterator nullIterator = insertSquare.CreateIterator();
Bitmap bmp = new Bitmap(width,height);
Graphics g = Graphics.FromImage(bmp);
for(IIterator iterator = arrayIterator.First();!arrayIterator.IsDone();iterator = arrayIterator.Next())
{
iterator.CurrentItem.Draw(g);
}
nullIterator.CurrentItem.Draw(g);
return bmp;
}
Image CreatePreviewImage(string r,char key)
{
int height = 80;
int width = 530;
int space = 2;
int size = 29;
int leftSpan = 5;
int topSpan = 5;
ArrayList squareArray = new ArrayList();
IGlyph glyph;
glyph = new Square(leftSpan,topSpan + size + 2,size,Color.HotPink,GlyphAppearance.Flat,"?");
squareArray.Add(glyph);
for(int i=0;i<r.Length;i++)
{
glyph = new Square(leftSpan + (i + 1)*(size + space),topSpan + size + 2,size,Color.Teal,GlyphAppearance.Flat,r[i].ToString());
squareArray.Add(glyph);
}
squareLine = new SquareLine(0,0,1,squareArray);
//最后初始化所有的迭代器
IIterator arrayIterator = squareLine.CreateIterator();
IIterator nullIterator = null;
glyph = ((ArrayIterator)arrayIterator).GetGlyphByIndex((r.Length + 1) / 2);
if(glyph != null)
{
nullIterator = new Square(glyph.Bounds.X,glyph.Bounds.Y - size - 2,size,Color.Red,GlyphAppearance.Flat,key.ToString()).CreateIterator();
}
Bitmap bmp = new Bitmap(width,height);
Graphics g = Graphics.FromImage(bmp);
for(IIterator iterator = arrayIterator.First();!arrayIterator.IsDone();iterator = arrayIterator.Next())
{
iterator.CurrentItem.Draw(g);
}
if(nullIterator != null)
{
nullIterator.CurrentItem.Draw(g);
}
return bmp;
}
Image CreatePreviewImage(string s,int pos)
{
int height = 80;
int width = 530;
int space = 2;
int size = 35;
int leftSpan = 15;
int topSpan = 20;
ArrayList squareArray = new ArrayList();
IGlyph glyph;
for(int i = 0;i < s.Length;i++)
{
if(pos - 1 != i)
{
glyph = new Square(leftSpan + i*(size + space),topSpan,size,Color.DarkCyan,GlyphAppearance.Flat,s[i].ToString());
}
else //用红色表示要删除的元素
{
glyph = new Square(leftSpan + i*(size + space),topSpan,size,Color.Red,GlyphAppearance.Flat,s[i].ToString());
}
squareArray.Add(glyph);
}
squareLine = new SquareLine(1,1,1,squareArray);
IIterator arrayIterator = squareLine.CreateIterator();
Bitmap bmp = new Bitmap(width,height);
Graphics g = Graphics.FromImage(bmp);
for(IIterator iterator = arrayIterator.First();!arrayIterator.IsDone();iterator = arrayIterator.Next())
{
iterator.CurrentItem.Draw(g);
}
return bmp;
}
public override void ExecuteAndUpdateCurrentLine()
{
switch (CurrentLine)
{
case 0:
CurrentLine = 4;
return;
case 4:
//判断IF语句是否成立，如果成立，CurrentLine = 5;不成立，CurrentLine = 8;
if(status.I >=1 && status.I <= status.Length + 1)
{
CurrentLine = 8;
return;
}
break;
case 8:
//判断for语句条件是否成立，如果成立，CurrentLine = 9;不成立，CurrentLine = 11;
if(status.J < status.I -1)
{
CurrentLine = 11;
return;
}
break;
case 9:
//移动一个图形元素.
IGlyph tempGlyph = ((ArrayIterator)arrayIterator).GetGlyphByIndex(status.J);
IGlyph tempGlyph1 = new Square(tempGlyph.Bounds.X + tempGlyph.Bounds.Width + squareSpace,tempGlyph.Bounds.Y,squareSize,status.图形背景色,status.图形外观,((Square)tempGlyph).Text);
((ArrayIterator)arrayIterator).MoveGlyphHorizon(status.J,tempGlyph1,1);
string c = status.L[status.J].ToString();
status.CanEdit = true;
status.L = status.L.Remove(status.J + 1,1);
status.CanEdit = true;
status.L = status.L.Insert(status.J,c);
status.CanEdit = true;
status.J--;
CurrentLine = 8;
return;
case 11:
//插入元素.
((ArrayIterator)arrayIterator).MoveGlyphVertical(nullIterator.CurrentItem,nullIterator.CurrentItem.Bounds.Y + nullIterator.CurrentItem.Bounds.Height + 10);
status.CanEdit = true;
status.L = status.L.Remove(status.I - 1,1);
status.CanEdit = true;
status.L = status.L.Insert(status.I - 1,status.E.ToString());
break;
case 12:
status.CanEdit = true;
status.Length++;
CurrentLine = 14;
return;
case 14:
return;
}
CurrentLine++;
}
public override void InitGraph()
{
SquareLine squareLine;
Square insertSquare;
ArrayList squareArray = new ArrayList();
IGlyph glyph;
for(int i=0;i<status.Length;i++)
{
glyph = new Square(40 + i*(squareSize + squareSpace),20 + squareSize + 10,squareSize,status.图形背景色,status.图形外观,status.L[i].ToString());
squareArray.Add(glyph);
}
//最后再添加一个额外的元素,以保存插入元素后的数组的最后一个元素
squareArray.Add(new Square(1,1,2,Color.Transparent,""));
squareLine = new SquareLine(20,80,status.Length*(squareSize+20+10),squareArray);
Rectangle rec = new Rectangle(0,0,0,0);
if(status.I >= 1 && status.I <= status.Length)
{
rec = ((IGlyph)squareArray[status.I-1]).Bounds;
}
else if(status.I == status.Length + 1)
{
Rectangle lastRectangle = ((IGlyph)squareArray[status.I-2]).Bounds;
rec = new Rectangle(lastRectangle.X + lastRectangle.Width + squareSpace,lastRectangle.Y - 10 - lastRectangle.Height,lastRectangle.Width,lastRectangle.Height);
}
insertSquare = new Square(rec.X,20,rec.Width,status.插入元素背景色,status.图形外观,status.E.ToString());
//最后初始化所有的迭代器
arrayIterator = squareLine.CreateIterator();
nullIterator = insertSquare.CreateIterator();
}
public override void InitGraph()
{
ArrayList squareArray = new ArrayList();
IGlyph glyph;
glyph = new Square(40,20 + squareSize + 10,squareSize,status.头元素颜色,status.图形外观,"?");
squareArray.Add(glyph);
for(int i=0;i<status.N;i++)
{
glyph = new Square(40 + (i + 1)*(squareSize + squareSpace),20 + squareSize + 10,squareSize,status.线性表颜色,status.图形外观,status.R[i].ToString());
squareArray.Add(glyph);
}
squareLine = new SquareLine(20,80,(status.N + 1)*(squareSize+20+10),squareArray);
arrayIterator = squareLine.CreateIterator();
glyph = ((ArrayIterator)arrayIterator).GetGlyphByIndex((status.N + 1) / 2);
if(glyph != null)
{
nullIterator = new Square(glyph.Bounds.X,glyph.Bounds.Y - squareSize - 10,squareSize,status.当前元素颜色,status.图形外观,status.Key.ToString()).CreateIterator();
}
}
public override void InitGraph()
{
SquareLine squareLineS;
SquareLine squareLineT;
ArrayList squareArrayS = new ArrayList();
ArrayList squareArrayT = new ArrayList();
IGlyph glyph;
for(int i=0;i<status.SLength;i++)
{
glyph = new Square(40 + i*(squareSize + squareSpace),40 + 5,squareSize,status.串S元素颜色,status.图形外观,status.S[i].ToString());
squareArrayS.Add(glyph);
}
int startX = ((IGlyph)squareArrayS[status.Pos - 1]).Bounds.X;
for(int i=0;i<status.TLength;i++)
{
glyph = new Square(startX + i*(squareSize + squareSpace),40 + squareSize + 2 * 5,squareSize,status.串T元素颜色,status.图形外观,status.T[i].ToString());
squareArrayT.Add(glyph);
}
squareLineS = new SquareLine(20,30,status.SLength*(squareSize+20+10),squareArrayS);
squareLineT = new SquareLine(20,110,status.TLength*(squareSize+20+10),squareArrayT);
//最后初始化所有的迭代器
arrayIteratorS = squareLineS.CreateIterator();
arrayIteratorT = squareLineT.CreateIterator();
}
public override void ExecuteAndUpdateCurrentLine()
{
IGlyph glyphI = null;
IGlyph glyphJ = null;
IGlyph insertingGlyph = null;
switch (CurrentLine)
{
case 0:
//i=j=k=0;
status.CanEdit = true;
status.I = 0;
status.CanEdit = true;
status.J = 0;
status.CanEdit = true;
status.K = 0;
CurrentLine = 4;
return;
case 5:
//判断while（i<La.length && j<Lb.length）是否成立，如果成立，CurrentLine = 6;不成立，CurrentLine = 12;
if(status.I >=status.LaLength || status.J >= status.LbLength)
{
CurrentLine = 12;
return;
}
CurrentLine = 7;
return;
case 7:
//判断If(La.elem[i]<=Lb.elem[j])是否成立，如果成立，CurrentLine = 8;不成立，CurrentLine = 10;
glyphI = ((ArrayIterator)arrayIteratorLa).GetGlyphByIndex(status.I);
glyphJ = ((ArrayIterator)arrayIteratorLb).GetGlyphByIndex(status.J);
if(((Square)glyphI).Text[0] > ((Square)glyphJ).Text[0])
{
CurrentLine = 10;
return;
}
break;
case 8:
//Lc.elem[k++]=La.elem[i++];
glyphI = ((ArrayIterator)arrayIteratorLa).GetGlyphByIndex(status.I);
currentGlyph = glyphI;
((ArrayIterator)arrayIteratorLa).SetBackColor(status.I ,status.当前元素背景色,status.图形背景色,true);
((ArrayIterator)arrayIteratorLb).SetBackColor(-1,status.图形背景色 ,status.图形背景色,true);
insertingGlyph = new Square(40 + k*(squareSize + squareSpace),10 + 2 * squareSize + 3 * 5,squareSize,status.当前元素背景色,glyphI.Appearance,((Square)glyphI).Text);
((ArrayIterator)arrayIteratorLc).InsertGlyph(insertingGlyph);
status.CanEdit = true;
status.Lc = status.Lc.Insert(status.Lc.Length,((Square)glyphI).Text);
status.CanEdit = true;
status.LcLength += 1;
k += 1;
status.CanEdit = true;
status.I += 1;
status.CanEdit = true;
status.K += 1;
CurrentLine = 5;
return;
case 10:
//Lc.elem[k++]=Lb.elem[j++];
glyphJ = ((ArrayIterator)arrayIteratorLb).GetGlyphByIndex(status.J);
currentGlyph = glyphJ;
((ArrayIterator)arrayIteratorLb).SetBackColor(status.J,status.当前元素背景色 ,status.图形背景色,true);
((ArrayIterator)arrayIteratorLa).SetBackColor(-1,status.图形背景色 ,status.图形背景色,true);
insertingGlyph = new Square(40 + k*(squareSize + squareSpace),10 + 2 * squareSize + 3 * 5,squareSize,status.当前元素背景色,glyphJ.Appearance,((Square)glyphJ).Text);
((ArrayIterator)arrayIteratorLc).InsertGlyph(insertingGlyph);
status.CanEdit = true;
status.Lc = status.Lc.Insert(status.Lc.Length,((Square)glyphJ).Text);
status.CanEdit = true;
status.LcLength += 1;
k += 1;
status.CanEdit = true;
status.J += 1;
status.CanEdit = true;
status.K += 1;
CurrentLine = 5;
return;
case 12:
//判断While(i<La.length)是否成立
if(status.I >=status.LaLength)
{
CurrentLine = 14;
return;
}
break;
case 13:
//Lc.elem[k++]=La.elem[i++];
glyphI = ((ArrayIterator)arrayIteratorLa).GetGlyphByIndex(status.I);
currentGlyph = glyphI;
((ArrayIterator)arrayIteratorLa).SetBackColor(status.I,status.当前元素背景色 ,status.图形背景色,true);
((ArrayIterator)arrayIteratorLb).SetBackColor(-1,status.图形背景色 ,status.图形背景色,true);
insertingGlyph = new Square(40 + k*(squareSize + squareSpace),10 + 2 * squareSize + 3 * 5,squareSize,status.当前元素背景色,glyphI.Appearance,((Square)glyphI).Text);
((ArrayIterator)arrayIteratorLc).InsertGlyph(insertingGlyph);
status.CanEdit = true;
status.Lc = status.Lc.Insert(status.Lc.Length,((Square)glyphI).Text);
status.CanEdit = true;
status.LcLength += 1;
k += 1;
status.CanEdit = true;
status.I += 1;
status.CanEdit = true;
status.K += 1;
CurrentLine = 12;
return;
case 14:
//判断While(j<Lb.length)是否成立
if(status.J >=status.LbLength)
{
CurrentLine = 16;
return;
}
break;
case 15:
//Lc.elem[k++]=Lb.elem[j++];
glyphJ = ((ArrayIterator)arrayIteratorLb).GetGlyphByIndex(status.J);
currentGlyph = glyphJ;
((ArrayIterator)arrayIteratorLb).SetBackColor(status.J ,status.当前元素背景色,status.图形背景色,true);
((ArrayIterator)arrayIteratorLa).SetBackColor(-1,status.图形背景色 ,status.图形背景色,true);
insertingGlyph = new Square(40 + k*(squareSize + squareSpace),10 + 2 * squareSize + 3 * 5,squareSize,status.当前元素背景色,glyphJ.Appearance,((Square)glyphJ).Text);
((ArrayIterator)arrayIteratorLc).InsertGlyph(insertingGlyph);
status.CanEdit = true;
status.Lc = status.Lc.Insert(status.Lc.Length,((Square)glyphJ).Text);
status.CanEdit = true;
status.LcLength += 1;
k += 1;
status.CanEdit = true;
status.J += 1;
status.CanEdit = true;
status.K += 1;
CurrentLine = 14;
return;
case 16:
//Lc.length=k;
status.LcLength = status.K;
break;
case 17:
return;
}
CurrentLine++;
}
public override void InitGraph()
{
SquareLine squareLineLa;
SquareLine squareLineLb;
SquareLine squareLineLc;
ArrayList squareArrayLa = new ArrayList();
ArrayList squareArrayLb = new ArrayList();
ArrayList squareArrayLc = new ArrayList();
IGlyph glyph;
for(int i=0;i<status.LaLength;i++)
{
glyph = new Square(40 + i*(squareSize + squareSpace),10 + 5,squareSize,status.图形背景色,status.图形外观,status.La[i].ToString());
squareArrayLa.Add(glyph);
}
for(int i=0;i<status.LbLength;i++)
{
glyph = new Square(40 + i*(squareSize + squareSpace),10 + squareSize + 2 * 5,squareSize,status.图形背景色,status.图形外观,status.Lb[i].ToString());
squareArrayLb.Add(glyph);
}
squareLineLa = new SquareLine(20,30,status.LaLength*(squareSize+20+10),squareArrayLa);
squareLineLb = new SquareLine(20,110,status.LbLength*(squareSize+20+10),squareArrayLb);
squareLineLc = new SquareLine(20,190,status.LaLength*(squareSize+20+10) + status.LbLength*(squareSize+20+10),squareArrayLc);
//最后初始化所有的迭代器
arrayIteratorLa = squareLineLa.CreateIterator();
arrayIteratorLb = squareLineLb.CreateIterator();
arrayIteratorLc = squareLineLc.CreateIterator();
}
public override void ExecuteAndUpdateCurrentLine()
{
switch (CurrentLine)
{
case 0:
CurrentLine = 3;
return;
case 3:
CurrentLine = 6;
return;
case 6:
IGlyph glyph1 = ((ArrayIterator)arrayIterator).GetGlyphByIndex(status.I-1);
status.CanEdit = true;
status.E = ((Square)glyph1).Text;
break;
case 7:
//判断for语句条件是否成立，如果成立，CurrentLine = 8;不成立，CurrentLine = 10;
if(status.J > status.Length -1)
{
CurrentLine = 10;
return;
}
break;
case 8:
//移动一个图形元素.
movedGlyphs.Add(((ArrayIterator)arrayIterator).GetGlyphByIndex(status.J));
IGlyph tempGlyph = ((ArrayIterator)arrayIterator).GetGlyphByIndex(status.J);
IGlyph tempGlyph1 = new Square(tempGlyph.Bounds.X - tempGlyph.Bounds.Width - squareSpace,tempGlyph.Bounds.Y,squareSize,status.图形背景色,status.图形外观,((Square)tempGlyph).Text);
((ArrayIterator)arrayIterator).MoveGlyphHorizon(status.J,tempGlyph1,0);
string c = status.L[status.J].ToString();
status.CanEdit = true;
status.L = status.L.Remove(status.J - 1,1);
status.CanEdit = true;
status.L = status.L.Insert(status.J - 1,c);
status.CanEdit = true;
status.J++;
CurrentLine = 7;
return;
case 10:
//线性表长度减1
status.CanEdit = true;
status.Length--;
status.CanEdit = true;
status.L = status.L.Remove(status.Length,1);
//删除最后一个结点
((ArrayIterator)arrayIterator).DeleteGlyph(status.Length);
break;
case 11:
return;
}
CurrentLine++;
}
public override void InitGraph()
{
ArrayList squareArray = new ArrayList();
IGlyph glyph;
for(int i=0;i<status.Length;i++)
{
if(status.I-1 != i)
{
glyph = new Square(40 + i*(squareSize + squareSpace),40,squareSize,status.图形背景色,status.图形外观,status.L[i].ToString());
}
else //用红色表示要删除的元素
{
glyph = new Square(40 + i*(squareSize + squareSpace),40,squareSize,status.删除元素背景色,status.图形外观,status.L[i].ToString());
}
squareArray.Add(glyph);
}
squareLine = new SquareLine(20,80,status.Length*(squareSize+20+10),squareArray);
arrayIterator = squareLine.CreateIterator();
}