/// <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);
}
