// 判断visual是否从TextVisual类派生
public static bool IsDerivedFromTextVisual(Visual visual)
{
ArrayList aDeriveTypes = null;
Type t = visual.GetType();
while (true)
{
if (t.Name == "Object")
{
break;
}
if (aDeriveTypes == null)
{
aDeriveTypes = new ArrayList();
}
aDeriveTypes.Add(t);
t = t.BaseType;
}
if (aDeriveTypes != null)
{
for (int i = 0; i < aDeriveTypes.Count; i++)
{
string strName1 = ((Type)aDeriveTypes[i]).FullName;
string strName2 = typeof(TextVisual).FullName;
if (strName1 == strName2)
{
return(true);
}
}
}
return(false);
}
// 判断visual是否从TextVisual类派生
public static bool IsDerivedFromTextVisual(Visual visual)
{
ArrayList aDeriveTypes = null;
Type t = visual.GetType ();
while(true)
{
if (t.Name == "Object")
break;
if (aDeriveTypes == null)
aDeriveTypes = new ArrayList ();
aDeriveTypes.Add (t);
t = t.BaseType ;
}
if (aDeriveTypes != null)
{
for(int i= 0; i < aDeriveTypes.Count ;i++)
{
string strName1 = ((Type)aDeriveTypes[i]).FullName;
string strName2 = typeof(TextVisual).FullName;
if (strName1 == strName2)
return true;
}
}
return false;
}
// 布局
public override void Layout(int x,
int y,
int nInitialWidth,
int nInitialHeight,
int nTimeStamp,
out int nRetWidth,
out int nRetHeight,
LayoutMember layoutMember)
{
nRetWidth = nInitialWidth;
nRetHeight = nInitialHeight;
bool bEnlargeWidth = false;
if ((layoutMember & LayoutMember.EnlargeWidth) == LayoutMember.EnlargeWidth)
{
bEnlargeWidth = true;
}
bool bEnlargeHeight = false;
if ((layoutMember & LayoutMember.EnLargeHeight) == LayoutMember.EnLargeHeight)
{
bEnlargeHeight = true;
}
if (bEnlargeWidth == true || bEnlargeHeight == true)
{
//父亲和兄弟都影响了
if ((layoutMember & LayoutMember.Up) == LayoutMember.Up)
{
if (bEnlargeHeight == true)
{
this.Rect.Height = nInitialHeight;
Box myContainer = (Box)(this.container);
if (myContainer == null)
{
return;
}
//横排
if (myContainer.LayoutStyle == LayoutStyle.Horizontal)
{
//影响兄弟
foreach (Visual child in myContainer.childrenVisual)
{
if (child.Equals(this) == true)
{
continue;
}
child.Layout(
child.Rect.X,
child.Rect.Y,
child.Rect.Width,
this.Rect.Height,
nTimeStamp,
out nRetWidth,
out nRetHeight,
LayoutMember.EnLargeHeight);
}
int nMyHeight = this.Rect.Height;
foreach (Visual child in myContainer.childrenVisual)
{
if (child.Rect.Height > nMyHeight)
{
nMyHeight = child.Rect.Height;
}
}
nMyHeight += myContainer.TotalRestHeight;
myContainer.Layout(
myContainer.Rect.X,
myContainer.Rect.Y,
myContainer.Rect.Width,
nMyHeight,
nTimeStamp,
out nRetWidth,
out nRetHeight,
layoutMember);
}
//竖排
if (myContainer.LayoutStyle == LayoutStyle.Vertical)
{
int nTempTotalHeight = 0;
foreach (Visual childVisual in myContainer.childrenVisual)
{
nTempTotalHeight += childVisual.Rect.Height;
}
nTempTotalHeight += myContainer.TotalRestHeight;;
myContainer.Layout(
myContainer.Rect.X,
myContainer.Rect.Y,
myContainer.Rect.Width,
nTempTotalHeight,
nTimeStamp,
out nRetWidth,
out nRetHeight,
layoutMember);
//设兄弟坐标
int nXDelta = myContainer.LeftResWidth;
int nYDelta = myContainer.TopResHeight;
foreach (Visual childVisual in myContainer.childrenVisual)
{
childVisual.Rect.X = nXDelta;
childVisual.Rect.Y = nYDelta;
nYDelta += childVisual.Rect.Height;
}
}
return;
}
}
if (LayoutStyle == LayoutStyle.Horizontal)
{
if (bEnlargeHeight == true)
{
this.Rect.Height = nInitialHeight;
foreach (Visual child in this.childrenVisual)
{
child.Layout(0,
0,
0,
nInitialHeight,
nTimeStamp,
out nRetWidth,
out nRetHeight,
layoutMember);
}
}
}
else if (LayoutStyle == LayoutStyle.Vertical)
{
if (bEnlargeWidth == true)
{
this.Rect.Width = nInitialWidth;
foreach (Visual child in this.childrenVisual)
{
child.Layout(0,
0,
nInitialWidth,
0,
nTimeStamp,
out nRetWidth,
out nRetHeight,
layoutMember);
}
}
}
return;
}
Item item = GetItem();
item.m_document.nTime++;
string strTempInfo = "";
int nTempLevel = this.GetVisualLevel();
string strLevelString = this.GetStringFormLevel(nTempLevel);
if (this.IsWriteInfo == true)
{
strTempInfo = "\r\n"
+ strLevelString + "******************************\r\n"
+ strLevelString + "这是第" + nTempLevel + "层的" + this.GetType().Name + "调layout开始\r\n"
+ strLevelString + "参数为:\r\n"
+ strLevelString + "x=" + x + "\r\n"
+ strLevelString + "y=" + y + "\r\n"
+ strLevelString + "nInitialWidth=" + nInitialWidth + "\r\n"
+ strLevelString + "nInitialHeight=" + nInitialHeight + "\r\n"
+ strLevelString + "nTimeStamp=" + nTimeStamp + "\r\n"
+ strLevelString + "layoutMember=" + layoutMember.ToString() + "\r\n"
+ strLevelString + "LayoutStyle=" + this.LayoutStyle.ToString() + "\r\n"
+ strLevelString + "使总次数变为" + item.m_document.nTime + "\r\n";
StreamUtil.WriteText("I:\\debug.txt", strTempInfo);
}
if (Catch == true)
{
//当输入参数相同时，直接返回catch内容
if (sizeCatch.nInitialWidth == nInitialWidth &&
sizeCatch.nInitialHeight == nInitialHeight &&
(sizeCatch.layoutMember == layoutMember))
{
if (this.IsWriteInfo == true)
{
strTempInfo = "\r\n"
+ strLevelString + "------------------"
+ strLevelString + "与缓存时相同\r\n"
+ strLevelString + "传入的值: initialWidth:" + nInitialWidth + " initialHeight:" + nInitialHeight + " timeStamp: " + nTimeStamp + " layoutMember:" + layoutMember.ToString() + "\r\n"
+ strLevelString + "缓存的值: initialWidth:" + sizeCatch.nInitialWidth + " initialHeight:" + sizeCatch.nInitialHeight + " timeStamp: " + sizeCatch.nTimeStamp + " layoutMember:" + sizeCatch.layoutMember.ToString() + "\r\n";
}
if ((layoutMember & LayoutMember.Layout) != LayoutMember.Layout)
{
if (this.IsWriteInfo == true)
{
strTempInfo += strLevelString + "不是实做，直接返回缓冲区值\r\n";
}
nRetWidth = sizeCatch.nRetWidth;
nRetHeight = sizeCatch.nRetHeight;
if (this.IsWriteInfo == true)
{
strTempInfo += strLevelString + "----------结束------\r\n";
StreamUtil.WriteText("I:\\debug.txt", strTempInfo);
}
goto END1;
}
else
{
if (this.IsWriteInfo == true)
{
strTempInfo += strLevelString + "包含实做，向下继续\r\n";
}
}
if (this.IsWriteInfo == true)
{
strTempInfo += strLevelString + "----------结束------\r\n";
StreamUtil.WriteText("I:\\debug.txt", strTempInfo);
}
}
else
{
if (this.IsWriteInfo == true)
{
strTempInfo = "\r\n"
+ strLevelString + "------------------"
+ strLevelString + "与缓存时不同\r\n"
+ strLevelString + "传入的值: initialWidth:" + nInitialWidth + " initialHeight:" + nInitialHeight + " timeStamp: " + nTimeStamp + " layoutMember:" + layoutMember.ToString() + "\r\n"
+ strLevelString + "缓存的值: initialWidth:" + sizeCatch.nInitialWidth + " initialHeight:" + sizeCatch.nInitialHeight + " timeStamp: " + sizeCatch.nTimeStamp + " layoutMember:" + sizeCatch.layoutMember.ToString() + "\r\n";
strTempInfo += strLevelString + "----------结束------\r\n";
StreamUtil.WriteText("I:\\debug.txt", strTempInfo);
}
}
}
//计算每一小块用得参数
int nPartWidth = 0;
int nPartHeight = 0;
int nRetPartWidth = 0;; //返回
int nRetPartHeight = 0;
int nTotalWidth = 0; //横排总宽度
int nMaxHeight = 0; //横排时的最大高度,当变大，要重新算
int nMaxWidth = 0; //竖排时的最大宽度，当变大，要重新算
int nTotalHeight = 0; //竖排总高度
Visual visual = null;
ArrayList aVisualUnDefineWidth = null; //没有定义宽度的Visual组成的数组
PartInfo partInfo = null; //用来计宽度的对象
//横排
if (LayoutStyle == LayoutStyle.Horizontal)
{
//******************************************
//1.只测宽度,用等号
//*******************************************
if ((layoutMember == LayoutMember.CalcuWidth))
{
nTotalWidth = 0; //总宽度赋0
if (aVisualUnDefineWidth != null)
{
aVisualUnDefineWidth.Clear();
}
else
{
aVisualUnDefineWidth = new ArrayList();
}
if (this.childrenVisual != null)
{
//把数组中找到定义的宽度
for (int i = 0; i < this.childrenVisual.Count; i++)
{
visual = (Visual)childrenVisual[i];
PartWidth partWidth = item.GetPartWidth(visual.GetType().Name);
//没找到对象，或级别号小于等于0，加到未定义宽度数组
if (partWidth == null ||
partWidth.nGradeNo <= 0)
{
aVisualUnDefineWidth.Add(visual);
continue;
}
nPartWidth = partWidth.nWidth;
nTotalWidth += nPartWidth;
}
}
//算那些没有在数组里定义的宽度的区域
if (aVisualUnDefineWidth != null &&
aVisualUnDefineWidth.Count > 0)
{
//计算得到其它项的平均宽度
int nTemp = nInitialWidth
- nTotalWidth
- this.TotalRestWidth;
nPartWidth = nTemp / (aVisualUnDefineWidth.Count);
for (int i = 0; i < aVisualUnDefineWidth.Count; i++)
{
visual = (Visual)aVisualUnDefineWidth[i];
visual.Layout(0,
0,
nPartWidth,
0, //不关心高度
nTimeStamp,
out nRetPartWidth,
out nRetPartHeight,
LayoutMember.CalcuWidth); //只测宽度
nTotalWidth += nRetPartWidth;
}
}
//算返回宽度
nTotalWidth += this.TotalRestWidth;
nRetWidth = (nRetWidth > nTotalWidth) ? nRetWidth : nTotalWidth;
goto END1;
}
//*****************************************
//2.即测宽度，又测高度
//*******************************************
if (((layoutMember & LayoutMember.CalcuWidth) == LayoutMember.CalcuWidth) &&
((layoutMember & LayoutMember.CalcuHeight) == LayoutMember.CalcuHeight))
{
nTotalWidth = 0; //总宽度赋0
if (aVisualUnDefineWidth != null)
{
aVisualUnDefineWidth.Clear();
}
else
{
aVisualUnDefineWidth = new ArrayList();
}
//最大高度
nMaxHeight = nInitialHeight
- this.TotalRestHeight;
if (this.childrenVisual != null)
{
for (int i = 0; i < this.childrenVisual.Count; i++)
{
visual = (Visual)childrenVisual[i];
PartWidth partWidth = item.GetPartWidth(visual.GetType().Name);
//没找到对象，或级别号小于等于0，加到未定义宽度数组
if (partWidth == null ||
partWidth.nGradeNo <= 0)
{
aVisualUnDefineWidth.Add(visual);
continue;
}
nPartWidth = partWidth.nWidth;
visual.Layout(0,
0,
nPartWidth, //传入一个固定宽度
nMaxHeight,
nTimeStamp,
out nRetPartWidth,
out nRetPartHeight,
LayoutMember.CalcuWidth | LayoutMember.CalcuHeight); //只测宽度
if (nRetPartHeight > nMaxHeight)
{
nMaxHeight = nRetPartHeight;
}
//总宽度增加?，宽度是否会发生改变
nTotalWidth += nRetPartWidth;
}
}
//算那些没有在数组里定义的宽度的区域
if (aVisualUnDefineWidth != null && aVisualUnDefineWidth.Count > 0)
{
int nTemp = nInitialWidth
- nTotalWidth
- this.TotalRestWidth;
nPartWidth = nTemp / (aVisualUnDefineWidth.Count);
for (int i = 0; i < aVisualUnDefineWidth.Count; i++)
{
visual = (Visual)aVisualUnDefineWidth[i];
visual.Layout(0,
0,
nPartWidth,
nMaxHeight, //0, //不关心高度
nTimeStamp,
out nRetPartWidth,
out nRetPartHeight,
LayoutMember.CalcuWidth | LayoutMember.CalcuHeight); //只测宽度
nTotalWidth += nRetPartWidth;
if (nRetPartHeight > nMaxHeight)
{
nMaxHeight = nRetPartHeight;
}
}
}
nTotalWidth += this.TotalRestWidth;
nRetWidth = (nRetWidth > nTotalWidth) ? nRetWidth : nTotalWidth;
if (nRetWidth < 0)
{
nRetWidth = 0;
}
nMaxHeight += this.TotalRestHeight;;
nRetHeight = (nRetHeight > nMaxHeight) ? nRetHeight : nMaxHeight;
if (nRetHeight < 0)
{
nRetHeight = 0;
}
goto END1;
}
//******************************************
//3.实算
//********************************************
if ((layoutMember & LayoutMember.Layout) == LayoutMember.Layout)
{
nTotalWidth = 0; //总宽度赋0
if (aVisualUnDefineWidth != null)
{
aVisualUnDefineWidth.Clear();
}
else
{
aVisualUnDefineWidth = new ArrayList();
}
//最大高度
nMaxHeight = nInitialHeight
- this.TotalRestHeight;
//这个数组用来记下每个part的宽度
ArrayList aWidth = new ArrayList();
if (this.childrenVisual != null)
{
for (int i = 0; i < this.childrenVisual.Count; i++)
{
visual = (Visual)childrenVisual[i];
PartWidth partWidth = item.GetPartWidth(visual.GetType().Name);
//没找到对象，或级别号小于等于0，加到未定义宽度数组
if (partWidth == null ||
partWidth.nGradeNo <= 0)
{
aVisualUnDefineWidth.Add(visual);
continue;
}
nPartWidth = partWidth.nWidth;
nTotalWidth += nPartWidth; //这里加的目的是为了以后减少
//记到数组里
partInfo = new PartInfo();
partInfo.strName = visual.GetType().Name;
partInfo.nWidth = nPartWidth;
aWidth.Add(partInfo);
}
}
//算那些没有在数组里定义的宽度的区域
if (aVisualUnDefineWidth != null && aVisualUnDefineWidth.Count > 0)
{
//这儿引起了没法以最小宽度计算
int nTemp = nInitialWidth
- nTotalWidth
- this.TotalRestWidth;
nPartWidth = nTemp / (aVisualUnDefineWidth.Count);
//nPartWidth可能为负数
for (int i = 0; i < aVisualUnDefineWidth.Count; i++)
{
visual = (Visual)aVisualUnDefineWidth[i];
nTotalWidth += nPartWidth;
//记到数组里
partInfo = new PartInfo();
partInfo.strName = visual.GetType().Name;
partInfo.nWidth = nPartWidth;
aWidth.Add(partInfo);
}
}
item.SetValue(this.GetType().Name, nRetWidth);
//根据布局样式排列一下
int nXDelta = this.LeftResWidth;
int nYDelta = this.TopResHeight;
if (this.childrenVisual != null)
{
nTotalWidth = 0;
int i;
for (i = 0; i < childrenVisual.Count; i++)
{
visual = (Visual)childrenVisual[i];
nPartWidth = GetRememberWidth(aWidth, visual.GetType().Name);
visual.Layout(0 + nXDelta,
0 + nYDelta,
nPartWidth,
0,
nTimeStamp,
out nRetPartWidth,
out nRetPartHeight,
LayoutMember.Layout);
nXDelta += visual.Rect.Width;
nTotalWidth += visual.Rect.Width;
if (visual.Rect.Height > nMaxHeight)
{
nMaxHeight = visual.Rect.Height;
}
}
for (i = 0; i < childrenVisual.Count; i++)
{
visual = (Visual)childrenVisual[i];
if (visual.Rect.Height < nMaxHeight)
{
visual.Rect.Height = nMaxHeight;
}
}
}
nTotalWidth += this.TotalRestWidth;
nRetWidth = (nRetWidth > nTotalWidth) ? nRetWidth : nTotalWidth;
if (nRetWidth < 0)
{
nRetWidth = 0;
}
nMaxHeight += this.TotalRestHeight;
nRetHeight = (nRetHeight > nMaxHeight) ? nRetHeight : nMaxHeight;
if (nRetHeight < 0)
{
nRetHeight = 0;
}
//把自己的rect设好
this.Rect = new Rectangle(x,
y,
nRetWidth,
nRetHeight);
//goto END1;
}
}
//竖排
if (LayoutStyle == LayoutStyle.Vertical)
{
//******************************************
//1.只测宽度,用等号
//*******************************************
if ((layoutMember == LayoutMember.CalcuWidth))
{
nMaxWidth = nInitialWidth
- this.TotalRestWidth;
if (nMaxWidth < 0)
{
nMaxWidth = 0;
}
if (this.childrenVisual != null)
{
for (int i = 0; i < this.childrenVisual.Count; i++)
{
visual = (Visual)childrenVisual[i];
visual.Layout(0,
0,
nMaxWidth,
0,
nTimeStamp,
out nRetPartWidth,
out nRetPartHeight,
LayoutMember.CalcuWidth);
if (nRetPartWidth > nMaxWidth)
{
nMaxWidth = nRetPartWidth;
}
}
}
nMaxWidth += this.TotalRestWidth;
nRetWidth = (nRetWidth > nMaxWidth) ? nRetWidth : nMaxWidth;
goto END1;
}
//*****************************************
//2.即测宽度，又测高度
//*******************************************
if (((layoutMember & LayoutMember.CalcuWidth) == LayoutMember.CalcuWidth) &&
((layoutMember & LayoutMember.CalcuHeight) == LayoutMember.CalcuHeight))
{
//最大宽度
nMaxWidth = nInitialWidth
- this.TotalRestWidth;
nTotalHeight = 0; //总高度赋0
if (this.childrenVisual != null)
{
for (int i = 0; i < this.childrenVisual.Count; i++)
{
visual = (Visual)childrenVisual[i];
visual.Layout(0,
0,
nMaxWidth,
0,
nTimeStamp,
out nRetPartWidth,
out nRetPartHeight,
LayoutMember.CalcuWidth | LayoutMember.CalcuHeight);
if (nRetPartWidth > nMaxWidth)
{
nMaxWidth = nRetPartWidth;
}
nTotalHeight += nRetPartHeight;
}
}
nMaxWidth += this.TotalRestWidth;
nRetWidth = (nRetWidth > nMaxWidth) ? nRetWidth : nMaxWidth;
nTotalHeight += this.TotalRestHeight;
nRetHeight = (nRetHeight > nTotalHeight) ? nRetHeight : nTotalHeight;
goto END1;
}
//******************************************
//3.实算
//********************************************
if ((layoutMember & LayoutMember.Layout) == LayoutMember.Layout)
{
//最大宽度
nMaxWidth = nInitialWidth
- this.TotalRestWidth;
nTotalHeight = 0; //总高度赋0
item.SetValue(this.GetType().Name, nRetWidth);
//根据布局样式排列一下
int nXDelta = this.LeftResWidth;
int nYDelta = this.TopResHeight;
if (this.childrenVisual != null)
{
for (int i = 0; i < childrenVisual.Count; i++)
{
visual = (Visual)childrenVisual[i];
nPartHeight = 0;
visual.Layout(0 + nXDelta,
0 + nYDelta,
nMaxWidth,
nPartHeight,
nTimeStamp,
out nRetPartWidth,
out nRetPartHeight,
LayoutMember.Layout);
nYDelta += visual.Rect.Height;
if (visual.Rect.Width > nMaxWidth)
{
nMaxWidth = visual.Rect.Width;
}
nTotalHeight += visual.Rect.Height;
}
}
nMaxWidth += this.TotalRestWidth;
nRetWidth = (nRetWidth > nMaxWidth) ? nRetWidth : nMaxWidth;
if (nRetWidth < 0)
{
nRetWidth = 0;
}
nTotalHeight += this.TotalRestHeight;
nRetHeight = (nRetHeight > nTotalHeight) ? nRetHeight : nTotalHeight;
if (nRetHeight < 0)
{
nRetHeight = 0;
}
//把自己的rect设好
this.Rect = new Rectangle(x,
y,
nRetWidth,
nRetHeight);
//goto END1;
}
//****************************************
//4.只测高度,这里有疑问
//*****************************************
if (layoutMember == LayoutMember.CalcuHeight)
{
//最大宽度
nMaxWidth = nInitialWidth
- this.TotalRestWidth;
nTotalHeight = 0; //总高度赋0
if (this.childrenVisual != null)
{
for (int i = 0; i < this.childrenVisual.Count; i++)
{
visual = (Visual)childrenVisual[i];
visual.Layout(0,
0,
nMaxWidth,
0,
nTimeStamp,
out nRetPartWidth,
out nRetPartHeight,
LayoutMember.CalcuHeight);
if (nRetPartWidth > nMaxWidth)
{
nMaxWidth = nRetPartWidth;
}
nTotalHeight += nRetPartHeight;
}
}
nTotalHeight += this.TotalRestHeight;
nRetHeight = (nRetHeight > nTotalHeight) ? nRetHeight : nTotalHeight;
goto END1;
}
}
if ((layoutMember & LayoutMember.Up) == LayoutMember.Up)
{
Visual.UpLayout(this, nTimeStamp);
}
END1:
sizeCatch.SetValues(nInitialWidth,
nInitialHeight,
nRetWidth,
nRetHeight,
nTimeStamp,
layoutMember);
if (this.IsWriteInfo == true)
{
strTempInfo = "";
strTempInfo = "\r\n"
+ strLevelString + "这是第" + nTempLevel + "层的" + this.GetType().Name + "调layout结束\r\n"
+ strLevelString + "返回值为: \r\n"
+ strLevelString + "x=" + x + "\r\n"
+ strLevelString + "y=" + y + "\r\n"
+ strLevelString + "nRetWidth=" + nRetWidth + "\r\n"
+ strLevelString + "nRetHeight=" + nRetHeight + "\r\n"
+ strLevelString + "Rect.X=" + this.Rect.X + "\r\n"
+ strLevelString + "Rect.Y=" + this.Rect.Y + "\r\n"
+ strLevelString + "Rect.Width=" + this.Rect.Width + "\r\n"
+ strLevelString + "Rect.Height=" + this.Rect.Height + "\r\n"
+ strLevelString + "****************************\r\n\r\n";
StreamUtil.WriteText("I:\\debug.txt", strTempInfo);
}
}