/// <summary>
/// Begins the footer on the current document page
/// </summary>
public void BeginFooter(PDFPageFooter owner, Style full, PDFLayoutContext context)
{
PDFLayoutBlock block = new PDFLayoutBlock(this, owner, this.Engine, full, OverflowSplit.Never);
//Take the magins away from the total bounds before initializing the regions
PDFRect content = this.ContentBlock.TotalBounds;
if (this.PositionOptions.Margins.IsEmpty == false)
{
content.Width -= this.PositionOptions.Margins.Left + this.PositionOptions.Margins.Right;
content.Height -= this.PositionOptions.Margins.Top + this.PositionOptions.Margins.Bottom;
}
block.InitRegions(content, this.ContentBlock.Position, full.CreateColumnOptions(), context);
this._footer = block;
//Make this block current
this.CurrentBlock = block;
}
//
// methods
//
#region public void InitPage(int index, PDFSize size, PDFThickness margthick ...)
/// <summary>
/// Initializes this page with the required top block size and other measurements
/// </summary>
/// <param name="size"></param>
/// <param name="margthick"></param>
/// <param name="padthick"></param>
/// <param name="available"></param>
/// <param name="mode"></param>
/// <param name="cansplit"></param>
/// <param name="colcount"></param>
/// <param name="alley"></param>
public virtual void InitPage(PDFSize size, PDFPositionOptions options, PDFColumnOptions columns, PDFLayoutContext context)
{
this.Size = size;
this.PositionOptions = options;
OverflowSplit split = options.OverflowSplit;
PDFLayoutBlock block = new PDFLayoutBlock(this, this.Owner, this.Engine, this.FullStyle, split);
PDFRect totalbounds = new PDFRect(PDFPoint.Empty, this.Size);
block.InitRegions(totalbounds, options, columns, context);
//We need to set the bounds of the page block to the total for a page
//(as margins are taken off from the size of the page
// - this is different to a block where margins increase any explicit sizes).
block.TotalBounds = totalbounds;
this.ContentBlock = block;
this.CurrentBlock = block;
}
/// <summary>
/// Begins a header on a the current document page
/// </summary>
public void BeginHeader(PDFPageHeader owner, Style full, PDFLayoutContext context)
{
if (null != this.HeaderBlock)
{
throw RecordAndRaise.LayoutException(Errors.AlreadyAHeaderDefinedOnPage);
}
PDFLayoutBlock block = new PDFLayoutBlock(this, owner, this.Engine, full, OverflowSplit.Never);
//Take the magins away from the total bounds before initializing the regions
PDFRect content = this.ContentBlock.TotalBounds;
if (this.PositionOptions.Margins.IsEmpty == false)
{
content.Width -= this.PositionOptions.Margins.Left + this.PositionOptions.Margins.Right;
content.Height -= this.PositionOptions.Margins.Top + this.PositionOptions.Margins.Bottom;
}
block.InitRegions(content, this.ContentBlock.Position, full.CreateColumnOptions(), context);
this._header = block;
//Make this block current
this.CurrentBlock = block;
}
//
// main override
//
#region protected override void DoLayoutComponent()
/// <summary>
/// Performs the actual layout of the list and items in it.
/// </summary>
protected override void DoLayoutComponent()
{
if (this.Context.ShouldLogDebug)
{
this.Context.TraceLog.Begin(TraceLevel.Debug, ListEngineLogCategory, string.Format("Starting the layout of the list {0}", this.List.ID));
}
this.ContinueLayout = true;
this.CurrentBlock = this.Context.DocumentLayout.CurrentPage.LastOpenBlock();
if (this.CurrentBlock.CurrentRegion != null && this.CurrentBlock.CurrentRegion.HasOpenItem)
{
this.CurrentBlock.CurrentRegion.CloseCurrentItem();
}
PDFPositionOptions pos = this.FullStyle.CreatePostionOptions();
//Set up the outer container block that will hold the list and all it's items
_listBlock = this.CurrentBlock.BeginNewContainerBlock(this.List, this, this.FullStyle, pos.PositionMode);
PDFRect bounds = this.CurrentBlock.CurrentRegion.UnusedBounds;
if (bounds.X > 0)
{
bounds.X = PDFUnit.Zero;
}
if (pos.Width.HasValue)
{
bounds.Width = pos.Width.Value;
}
else if (pos.Margins.IsEmpty == false)
{
bounds.Width -= pos.Margins.Left + pos.Margins.Right;
}
if (pos.Height.HasValue)
{
bounds.Height = pos.Height.Value;
}
else if (pos.Margins.IsEmpty == false)
{
bounds.Height -= pos.Margins.Top + pos.Margins.Bottom;
}
PDFColumnOptions columnOptions = new PDFColumnOptions()
{
AlleyWidth = PDFUnit.Zero, AutoFlow = false, ColumnCount = 1
};
_listBlock.InitRegions(bounds, pos, columnOptions, this.Context);
this.OpenListNumbering();
this.BuildListEntries(out _itemNumberWidth);
this.LayoutListItems(pos);
_listBlock.CurrentRegion.CloseCurrentItem();
_listBlock.CurrentRegion.Close();
_listBlock.Close();
this.CurrentBlock.CurrentRegion.AddToSize(_listBlock);
if (this.Context.ShouldLogDebug)
{
this.Context.TraceLog.End(TraceLevel.Debug, ListEngineLogCategory, string.Format("Completed the layout of the list {0}", this.List.ID));
}
this.CloseListNumbering();
}
