protected void Page_Load(object sender, EventArgs e)
{
// render a tag cloud
int count; // the number of blog entries per tag
int min = 0; // the lowest count in the cloud
int max = 0; // the highest count in the cloud
int maxStyle = 6; // the highest css style to apply to the tag links
int loop = 0; // index for determining min and max
// get the list of tags for which there is at least one blog entry
List <Tag> usedTags = TagManager.GetListUsedTags();
// loop through each of the tags to determine the minimum and maximum count
foreach (Tag t in usedTags)
{
// get the count for the current tag
count = TagManager.CountByTag(t.id);
// if current count higher than max, set max to current count
max = (count > max ? count : max);
// if min is not initialized yet, set it to the first count
// we need to do this because we cannot initialize min at 0
// as no counts will be lower than 0
if (loop == 0)
{
min = count;
}
else
{
// if current count lower than min, set min to current count
min = (count < min ? count : min);
}
loop++;
}
// with min and max calculated, we can now concatenate the tag cloud string
string strCloud = "";
foreach (Tag t in usedTags)
{
count = TagManager.CountByTag(t.id);
strCloud += "<a href=\"BlogByTag.aspx?tag=" + t.id.ToString() + "\" class=\"tag" +
GetSizeByCount(count, min, max, maxStyle).ToString() + "\">" + t.tagname + "</a> ";
}
// output the tag cloud
LabelTagCloud.Text = strCloud;
}
