/// <summary>
/// Performs layout of the content block.
/// </summary>
/// <param name="containerBounds">Container bounds to layout content blocks in.</param>
/// <param name="contentBlocks">Content blocks to layout.</param>
/// <param name="blockLayout">Block layout manager that resizes the content blocks.</param>
/// <returns>The bounds of the content blocks within the container bounds.</returns>
public virtual Rectangle Layout(Rectangle containerBounds, IBlock[] contentBlocks, BlockLayoutManager blockLayout)
{
Rectangle blocksBounds=Rectangle.Empty;
Point position=containerBounds.Location;
ArrayList lines=new ArrayList();
lines.Add(new BlockLineInfo());
BlockLineInfo currentLine=lines[0] as BlockLineInfo;
bool switchToNewLine = false;
bool canStartOnNewLine = true;
int visibleIndex = 0;
foreach(IBlock block in contentBlocks)
{
if(!block.Visible)
{
block.Bounds = Rectangle.Empty;
continue;
}
if (BeforeNewBlockLayout != null)
{
LayoutManagerLayoutEventArgs e = new LayoutManagerLayoutEventArgs(block, position, visibleIndex);
BeforeNewBlockLayout(this, e);
position = e.CurrentPosition;
if (e.CancelLayout)
continue;
}
visibleIndex++;
Size availableSize = containerBounds.Size;
bool isBlockElement = false;
bool isNewLineTriggger = false;
bool isContainer = false;
if (block is IBlockExtended)
{
IBlockExtended ex = block as IBlockExtended;
isBlockElement = ex.IsBlockElement;
isNewLineTriggger = ex.IsNewLineAfterElement;
canStartOnNewLine = ex.CanStartNewLine;
isContainer = ex.IsBlockContainer;
}
else
canStartOnNewLine = true;
if (!isBlockElement && !isContainer)
{
if (m_ContentOrientation == eContentOrientation.Horizontal)
availableSize.Width = (containerBounds.Right - position.X);
else
availableSize.Height = (containerBounds.Bottom - position.Y);
}
// Resize the content block
blockLayout.Layout(block, availableSize);
if(m_MultiLine && currentLine.Blocks.Count > 0)
{
if (m_ContentOrientation == eContentOrientation.Horizontal && (position.X + block.Bounds.Width > containerBounds.Right && canStartOnNewLine || isBlockElement || switchToNewLine))
{
position.X=containerBounds.X;
position.Y+=(currentLine.LineSize.Height+m_BlockSpacing);
currentLine=new BlockLineInfo();
currentLine.Line=lines.Count;
lines.Add(currentLine);
}
else if (m_ContentOrientation == eContentOrientation.Vertical && (position.Y + block.Bounds.Height > containerBounds.Bottom && canStartOnNewLine || isBlockElement || switchToNewLine))
{
position.Y=containerBounds.Y;
position.X+=(currentLine.LineSize.Width+m_BlockSpacing);
currentLine=new BlockLineInfo();
currentLine.Line=lines.Count;
lines.Add(currentLine);
}
}
if(m_ContentOrientation==eContentOrientation.Horizontal)
{
if(block.Bounds.Height>currentLine.LineSize.Height)
currentLine.LineSize.Height=block.Bounds.Height;
currentLine.LineSize.Width=position.X+block.Bounds.Width-containerBounds.X;
}
else if(m_ContentOrientation==eContentOrientation.Vertical)
{
if(block.Bounds.Width>currentLine.LineSize.Width)
currentLine.LineSize.Width=block.Bounds.Width;
currentLine.LineSize.Height=position.Y+block.Bounds.Height-containerBounds.Y;
}
currentLine.Blocks.Add(block);
if (block.Visible) currentLine.VisibleItemsCount++;
Rectangle r = new Rectangle(position, block.Bounds.Size);
r.X += block.Margin.Left;
r.Y += block.Margin.Top;
block.Bounds = r;
if (blocksBounds.IsEmpty)
{
r = block.Bounds; // Make sure that blocks bounds take in account any margin
r.X -= block.Margin.Left;
r.Y -= block.Margin.Top;
r.Width += block.Margin.Horizontal;
r.Height += block.Margin.Vertical;
blocksBounds = r;
}
else
blocksBounds = Rectangle.Union(blocksBounds, block.Bounds);
switchToNewLine = isBlockElement | isNewLineTriggger;
position=GetNextPosition(block, position);
}
blocksBounds=AlignResizeBlocks(containerBounds, blocksBounds, lines);
if (m_RightToLeft)
blocksBounds = MirrorContent(containerBounds, blocksBounds, contentBlocks);
blocksBounds = blockLayout.FinalizeLayout(containerBounds, blocksBounds, lines);
return blocksBounds;
}
/// <summary>
/// Performs layout of the content block.
/// </summary>
/// <param name="containerBounds">Container bounds to layout content blocks in.</param>
/// <param name="contentBlocks">Content blocks to layout.</param>
/// <param name="blockLayout">Block layout manager that resizes the content blocks.</param>
/// <returns>The bounds of the content blocks within the container bounds.</returns>
public override Rectangle Layout(Rectangle containerBounds,IBlock[] contentBlocks,BlockLayoutManager blockLayout)
{
if(contentBlocks.Length==0)
return Rectangle.Empty;
if(m_MouseOverIndex==-1)
{
return base.Layout(containerBounds,contentBlocks,blockLayout);
}
BubbleButton[] buttons=new BubbleButton[contentBlocks.Length];
contentBlocks.CopyTo(buttons,0);
int x=0,y=0;
if(this.ContentOrientation==eContentOrientation.Horizontal)
{
buttons[m_MouseOverIndex].SetMagnifiedDisplayRectangle(new Rectangle(m_MouseOverPosition,GetY(containerBounds,m_BubbleSize.Height),m_BubbleSize.Width,m_BubbleSize.Height));
x=m_MouseOverPosition;
}
else
{
buttons[m_MouseOverIndex].SetMagnifiedDisplayRectangle(new Rectangle(GetX(containerBounds,m_BubbleSize.Width),m_MouseOverPosition,m_BubbleSize.Width,m_BubbleSize.Height));
y=m_MouseOverPosition;
}
int growthWidth=m_BubbleSize.Width-contentBlocks[0].Bounds.Width;
int growthHeight=m_BubbleSize.Height-contentBlocks[0].Bounds.Height;
// Apply factor 2
int index=GetPreviousButtonIndex(buttons,m_MouseOverIndex);
if(index>=0)
SetFactorPrevious(containerBounds,buttons[index],growthWidth,growthHeight,m_Factor2,ref x, ref y);
// Apply factor 1
index=GetPreviousButtonIndex(buttons,index);
if(index>=0)
SetFactorPrevious(containerBounds,buttons[index],growthWidth,growthHeight,m_Factor1,ref x, ref y);
if(this.ContentOrientation==eContentOrientation.Horizontal)
{
while(index>=0)
{
index=GetPreviousButtonIndex(buttons,index);
if(index>=0)
{
x-=(buttons[index].DisplayRectangle.Width+this.BlockSpacing);
buttons[index].SetMagnifiedDisplayRectangle(new Rectangle(x,buttons[index].DisplayRectangle.Y,buttons[index].DisplayRectangle.Width,buttons[index].DisplayRectangle.Height));
}
}
x=m_MouseOverPosition+m_BubbleSize.Width+this.BlockSpacing;
}
else
{
while(index>=0)
{
index=GetPreviousButtonIndex(buttons,index);
if(index>=0)
{
y-=(buttons[index].DisplayRectangle.Height+this.BlockSpacing);
buttons[index].SetMagnifiedDisplayRectangle(new Rectangle(buttons[index].DisplayRectangle.X,y,buttons[index].DisplayRectangle.Width,buttons[index].DisplayRectangle.Height));
}
}
y=m_MouseOverPosition+m_BubbleSize.Height+this.BlockSpacing;
}
// Apply factor 3
index=GetNextButtonIndex(buttons,m_MouseOverIndex);
if(index>=0)
SetFactorNext(containerBounds,buttons[index],growthWidth,growthHeight,m_Factor3,ref x, ref y);
// Apply factor 4
if(index==-1) index=m_MouseOverIndex;
index=GetNextButtonIndex(buttons,index);
if(index>=0)
SetFactorNext(containerBounds,buttons[index],growthWidth,growthHeight,m_Factor4,ref x, ref y);
if(this.ContentOrientation==eContentOrientation.Horizontal)
{
while(index>=0)
{
index=GetNextButtonIndex(buttons,index);
if(index>=0)
{
buttons[index].SetMagnifiedDisplayRectangle(new Rectangle(x,buttons[index].DisplayRectangle.Y,buttons[index].DisplayRectangle.Width,buttons[index].DisplayRectangle.Height));
x+=(buttons[index].DisplayRectangle.Width+this.BlockSpacing);
}
}
}
else
{
while(index>=0)
{
index=GetNextButtonIndex(buttons,index);
if(index>=0)
{
buttons[index].SetMagnifiedDisplayRectangle(new Rectangle(buttons[index].DisplayRectangle.X,y,buttons[index].DisplayRectangle.Width,buttons[index].DisplayRectangle.Height));
y+=(buttons[index].DisplayRectangle.Height+this.BlockSpacing);
}
}
}
if(buttons.Length==1)
return buttons[0].MagnifiedDisplayRectangle;
return Rectangle.Union(buttons[0].MagnifiedDisplayRectangle,buttons[buttons.Length-1].MagnifiedDisplayRectangle);
}
