private void BindDataToControls(SearchProperties searchresult)
{
txtFileName.Text = Path.GetFileName(searchresult.filesList[searchresult.currentFileIndex]);
lblResultCount.Text = String.Format("File {0} of {1}", searchresult.currentFileIndex + 1, searchresult.numberOfFiles);
txtFileContent.Text = File.ReadAllText(searchresult.filesList[searchresult.currentFileIndex]);
SetNavigationButtons(searchresult);
}
protected void Page_Load(object sender, EventArgs e)
{
if (ViewState["searchresult"] != null)
{
searchresult = (SearchProperties)ViewState["searchresult"];
}
}
private SearchProperties SaveResult(ArrayList filesList)
{
string[] filesArray = (string[])filesList.ToArray(typeof(string));
SearchProperties search = new SearchProperties(filesArray, filesList.Count);
ViewState["searchresult"] = search;
return(search);
}
protected void Page_PreRender(object sender, EventArgs e)
{
if (IsPostBack && ViewState["searchresult"] != null)
{
searchresult = (SearchProperties)ViewState["searchresult"];
BindDataToControls(searchresult);
SetResultsViewingArea(true);
}
}
protected void btnSearch_Click(object sender, EventArgs e)
{
SearchFiles search = new SearchFiles(txtSearchTerm.Text);
ArrayList filesList = search.PerformSearch();
if (filesList.Count > 0)
{
SearchProperties searchresult = SaveResult(filesList);
SetResultsViewingArea(true);
BindDataToControls(searchresult);
}
else
{
ViewState["searchresult"] = null;
SetResultsViewingArea(false);
}
}
private void SetNavigationButtons(SearchProperties searchresult)
{
// First (of all files) button
if (searchresult.currentFileIndex == 0 || searchresult.numberOfFiles == 0)
{
btnFirst.Enabled = false;
}
else
{
btnFirst.Enabled = true;
}
// Previous button
if (searchresult.currentFileIndex == 0 || searchresult.numberOfFiles == 0)
{
btnPrevious.Enabled = false;
}
else
{
btnPrevious.Enabled = true;
}
// Next button
if (searchresult.currentFileIndex < searchresult.lastFileIndex)
{
btnNext.Enabled = true;
}
else
{
btnNext.Enabled = false;
}
// Last (of all files) button
if (searchresult.currentFileIndex == searchresult.lastFileIndex)
{
btnLast.Enabled = false;
}
else
{
btnLast.Enabled = true;
}
}