/// <summary>
/// Creates a MAP tag HTML source
/// </summary>
public string CreateImageMap(string mapName)
{
// image map coordinate system starts from 0, 0, so we might have
// to offset the AREA coordinates to make them match the diagram items
docOffsetX = flowChart.DocExtents.X;
docOffsetY = flowChart.DocExtents.Y;
string html = TAB + "<MAP NAME=\"" + mapName + "\">\r\n";
// create an AREA tag for each node
for (int i = flowChart.Objects.Count - 1; i >= 0; i--)
{
ChartObject item = flowChart.Objects[i];
if (!item.Visible)
continue;
Node node = item as Node;
if (item.HyperLink != "")
{
html += TAB + TAB;
string areaTag = "<AREA SHAPE=";
if (node != null)
{
if (node is Box)
{
Box b = node as Box;
switch(b.Style)
{
case BoxStyle.Rectangle:
case BoxStyle.RoundedRectangle:
// SHAPE="RECT"
areaTag += createRectArea(b.BoundingRect);
break;
case BoxStyle.Shape:
case BoxStyle.Ellipse:
case BoxStyle.Delay:
case BoxStyle.Rhombus:
// SHAPE="POLY"
areaTag += createPolyArea(b.getOutlinePoly());
break;
}
}
if (node is ControlHost)
{
// SHAPE="RECT"
areaTag = areaTag + createRectArea(node.BoundingRect);
}
if (node is Table)
{
Table t = node as Table;
// use whole bounding rect if cell AREAs won't be generated
RectangleF rect = t.BoundingRect;
if (areasForTableCells)
rect.Height = t.CaptionHeight;
areaTag = areaTag + createRectArea(rect);
}
}
else
{
areaTag += createPolyArea(item.getOutlinePoly());
}
areaTag += "\r\n";
areaTag += TAB + TAB + TAB + "HREF=\"" + item.HyperLink + "\" ";
areaTag += "TARGET=\"" + linkTarget + "\" ";
areaTag += "TITLE=\"" + item.ToolTip + "\">";
if (CreatingArea != null)
{
AreaEventArgs args = new AreaEventArgs(areaTag, item);
CreatingArea(this, args);
areaTag = args.AreaTag;
}
html += areaTag + "\r\n";
}
if (node != null)
{
if (areasForTableCells && node is Table)
html += createCellAreas(node as Table);
if (node.Expandable && expandBtnHyperLink != "")
html += createExpBtnArea(node);
}
}
html += TAB + "</MAP>\r\n";
return html;
}
/// <summary>
/// Creates a MAP tag HTML source
/// </summary>
public string CreateImageMap(string mapName)
{
// image map coordinate system starts from 0, 0, so we might have
// to offset the AREA coordinates to make them match the diagram items
docOffsetX = flowChart.DocExtents.X;
docOffsetY = flowChart.DocExtents.Y;
string html = TAB + "<MAP NAME=\"" + mapName + "\">\r\n";
// create an AREA tag for each node
for (int i = flowChart.Objects.Count - 1; i >= 0; i--)
{
ChartObject item = flowChart.Objects[i];
if (!item.Visible)
{
continue;
}
Node node = item as Node;
if (item.HyperLink != "")
{
html += TAB + TAB;
string areaTag = "<AREA SHAPE=";
if (node != null)
{
if (node is Box)
{
Box b = node as Box;
switch (b.Style)
{
case BoxStyle.Rectangle:
case BoxStyle.RoundedRectangle:
// SHAPE="RECT"
areaTag += createRectArea(b.BoundingRect);
break;
case BoxStyle.Shape:
case BoxStyle.Ellipse:
case BoxStyle.Delay:
case BoxStyle.Rhombus:
// SHAPE="POLY"
areaTag += createPolyArea(b.getOutlinePoly());
break;
}
}
if (node is ControlHost)
{
// SHAPE="RECT"
areaTag = areaTag + createRectArea(node.BoundingRect);
}
if (node is Table)
{
Table t = node as Table;
// use whole bounding rect if cell AREAs won't be generated
RectangleF rect = t.BoundingRect;
if (areasForTableCells)
{
rect.Height = t.CaptionHeight;
}
areaTag = areaTag + createRectArea(rect);
}
}
else
{
areaTag += createPolyArea(item.getOutlinePoly());
}
areaTag += "\r\n";
areaTag += TAB + TAB + TAB + "HREF=\"" + item.HyperLink + "\" ";
areaTag += "TARGET=\"" + linkTarget + "\" ";
areaTag += "TITLE=\"" + item.ToolTip + "\">";
if (CreatingArea != null)
{
AreaEventArgs args = new AreaEventArgs(areaTag, item);
CreatingArea(this, args);
areaTag = args.AreaTag;
}
html += areaTag + "\r\n";
}
if (node != null)
{
if (areasForTableCells && node is Table)
{
html += createCellAreas(node as Table);
}
if (node.Expandable && expandBtnHyperLink != "")
{
html += createExpBtnArea(node);
}
}
}
html += TAB + "</MAP>\r\n";
return(html);
}
private string createCellAreas(Table table)
{
string html = "";
RectangleF rc = table.BoundingRect;
bool[,] coveredCells =
table.getHasSpanningCells() ? table.getCoveredCells() : null;
RectangleF cellsRect = RectangleF.FromLTRB(rc.Left,
rc.Top + table.CaptionHeight, rc.Right, rc.Bottom);
int rowFrom = table.CurrentRow - table.getMaxRowSpan() + 1;
if (rowFrom < 0)
rowFrom = 0;
float h = rc.Top + table.CaptionHeight;
for (int r = rowFrom; r < table.RowCount; r++)
{
RectangleF cellRect = rc;
cellRect.Y = h;
if (cellRect.Top >= rc.Bottom - 1) break;
cellRect.Height = (table.Rows[r]).Height;
if (cellRect.Bottom >= rc.Bottom) break;
// If it is a hidden row below a collapsed header row, skip it
if (table.isRowCollapsed(r))
continue;
if (rowFrom >= table.CurrScrollRow)
h += (table.Rows[r]).Height;
for (int c = 0; c < table.ColumnCount; ++c)
{
cellRect = table.getSpannedCellRect(r, c);
if (cellRect.Height == 0 ||
cellRect.Width == 0 ||
cellRect.Bottom <= cellsRect.Top)
continue;
Table.Cell cell = table[c, r];
// If the cell is covered by a spanned cell
// and is not a span cell itself, do not process it
if (!table.getHasSpanningCells() ||
(coveredCells != null && !coveredCells[c,r]) ||
(cell.RowSpan != 1 || cell.ColumnSpan != 1))
{
if (cell.RowSpan != 1 || cell.ColumnSpan != 1)
cellRect = RectangleF.Intersect(cellRect, cellsRect);
html += TAB + TAB;
// generate rect AREA for the cell
string areaTag = "<AREA SHAPE=";
areaTag += createRectArea(cellRect);
areaTag += "\r\n";
areaTag += TAB + TAB + TAB + "HREF=\"" + cell.HyperLink + "\" ";
areaTag += "TARGET=\"" + linkTarget + "\" ";
areaTag += "TITLE=\"" + cell.ToolTip + "\">";
if (CreatingArea != null)
{
AreaEventArgs args = new AreaEventArgs(areaTag, table, c, r);
CreatingArea(this, args);
areaTag = args.AreaTag;
}
html += areaTag + "\r\n";
}
cellRect.X = cellRect.Right;
if (cellRect.Left >= rc.Right) break;
}
}
return html;
}
private string createCellAreas(Table table)
{
string html = "";
RectangleF rc = table.BoundingRect;
bool[,] coveredCells =
table.getHasSpanningCells() ? table.getCoveredCells() : null;
RectangleF cellsRect = RectangleF.FromLTRB(rc.Left,
rc.Top + table.CaptionHeight, rc.Right, rc.Bottom);
int rowFrom = table.CurrentRow - table.getMaxRowSpan() + 1;
if (rowFrom < 0)
{
rowFrom = 0;
}
float h = rc.Top + table.CaptionHeight;
for (int r = rowFrom; r < table.RowCount; r++)
{
RectangleF cellRect = rc;
cellRect.Y = h;
if (cellRect.Top >= rc.Bottom - 1)
{
break;
}
cellRect.Height = (table.Rows[r]).Height;
if (cellRect.Bottom >= rc.Bottom)
{
break;
}
// If it is a hidden row below a collapsed header row, skip it
if (table.isRowCollapsed(r))
{
continue;
}
if (rowFrom >= table.CurrScrollRow)
{
h += (table.Rows[r]).Height;
}
for (int c = 0; c < table.ColumnCount; ++c)
{
cellRect = table.getSpannedCellRect(r, c);
if (cellRect.Height == 0 ||
cellRect.Width == 0 ||
cellRect.Bottom <= cellsRect.Top)
{
continue;
}
Table.Cell cell = table[c, r];
// If the cell is covered by a spanned cell
// and is not a span cell itself, do not process it
if (!table.getHasSpanningCells() ||
(coveredCells != null && !coveredCells[c, r]) ||
(cell.RowSpan != 1 || cell.ColumnSpan != 1))
{
if (cell.RowSpan != 1 || cell.ColumnSpan != 1)
{
cellRect = RectangleF.Intersect(cellRect, cellsRect);
}
html += TAB + TAB;
// generate rect AREA for the cell
string areaTag = "<AREA SHAPE=";
areaTag += createRectArea(cellRect);
areaTag += "\r\n";
areaTag += TAB + TAB + TAB + "HREF=\"" + cell.HyperLink + "\" ";
areaTag += "TARGET=\"" + linkTarget + "\" ";
areaTag += "TITLE=\"" + cell.ToolTip + "\">";
if (CreatingArea != null)
{
AreaEventArgs args = new AreaEventArgs(areaTag, table, c, r);
CreatingArea(this, args);
areaTag = args.AreaTag;
}
html += areaTag + "\r\n";
}
cellRect.X = cellRect.Right;
if (cellRect.Left >= rc.Right)
{
break;
}
}
}
return(html);
}
