protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
// The following code gets the client context that represents the host web.
string contextToken = TokenHelper.GetContextTokenFromRequest(Page.Request);
// Because this is an Autohosted App, SharePoint will pass in the host Url in the querystring.
// Therefore, we'll retrieve it so that we can use it in GetClientContextWithContextToken method call
string hostWeb = Page.Request["SPHostUrl"];
// Then we'll build our context, exactly as implemented in the Visual Studio template for Autohosted apps
clientContext = TokenHelper.GetClientContextWithContextToken(hostWeb, contextToken, Request.Url.Authority);
// Now we will use some pretty standard CSOM operations to enumerate the
// document libraries in the host web...
hostingWeb = clientContext.Web;
Microsoft.SharePoint.Client.ListCollection libs = hostingWeb.Lists;
clientContext.Load(hostingWeb);
clientContext.Load(libs);
clientContext.ExecuteQuery();
bool foundLibrary = false;
foreach (Microsoft.SharePoint.Client.List lib in libs)
{
if (lib.BaseType == Microsoft.SharePoint.Client.BaseType.DocumentLibrary)
{
// We know that we have at least one library,
// so we'll set the foundLibrary variable to true...
foundLibrary = true;
// ... and add the library title to the dropdown list on the page
OutputLibrary.Items.Add(lib.Title);
CreateDocumentLink.CssClass = "tile tileOrange";
CreateDocumentLink.Text = "Click here to create a document\nin the selected library";
CreateDocumentLink.Enabled = true;
}
}
SiteTitle.Text = "Office Open XML (OOXML) Document Creator: " + hostingWeb.Title;
// If no libraries have been found, inform the user
if (!foundLibrary)
{
CreateDocumentLink.CssClass = "tile tileRed";
CreateDocumentLink.Text = "There are no libraries in the host Web.";
CreateDocumentLink.Enabled = false;
}
}
}
protected void Page_Load(object sender, EventArgs e)
{
// The following code gets the client context that represents the host web.
var contextToken = TokenHelper.GetContextTokenFromRequest(Page.Request);
// Because this is a provider-hosted app, SharePoint will pass in the host Url in the querystring.
// Therefore, we'll retrieve it so that we can use it in GetClientContextWithContextToken method call
var hostWeb = Page.Request["SPHostUrl"];
// Then we'll build our context, exactly as implemented in the Visual Studio template for provider-hosted apps
using (var clientContext = TokenHelper.GetClientContextWithContextToken(hostWeb, contextToken, Request.Url.Authority))
{
// Now we will use some pretty standard CSOM operations to enumerate the
// document libraries in the host web...
Microsoft.SharePoint.Client.Web hostedWeb = clientContext.Web;
Microsoft.SharePoint.Client.ListCollection libs = hostedWeb.Lists;
clientContext.Load(hostedWeb);
clientContext.Load(libs);
clientContext.ExecuteQuery();
var foundFiles = false;
foreach (Microsoft.SharePoint.Client.List lib in libs)
{
if (lib.BaseType == Microsoft.SharePoint.Client.BaseType.DocumentLibrary)
{
// ... and for each document library we'll enumerate all the Office files that
// may exist in the root folder of each library.
Microsoft.SharePoint.Client.Folder folder = lib.RootFolder;
Microsoft.SharePoint.Client.FileCollection files = folder.Files;
clientContext.Load(folder);
clientContext.Load(files);
clientContext.ExecuteQuery();
foreach (Microsoft.SharePoint.Client.File file in files)
{
if ((file.ServerRelativeUrl.ToLower().EndsWith(".docx")) ||
(file.ServerRelativeUrl.ToLower().EndsWith(".xlsx")) ||
(file.ServerRelativeUrl.ToLower().EndsWith(".pptx"))
)
{
// We know that we have at least one file, so we'll set the foundFiles variable to true
foundFiles = true;
// Then, for each Office file, we'll build a tile in the UI and set its style to an
// appropriate style that we have defined in point8020metro.css.
Panel fileItem = new Panel();
if (file.ServerRelativeUrl.ToLower().EndsWith(".docx"))
{
fileItem.CssClass = "tile tileWord fl";
}
if (file.ServerRelativeUrl.ToLower().EndsWith(".xlsx"))
{
fileItem.CssClass = "tile tileExcel fl";
}
if (file.ServerRelativeUrl.ToLower().EndsWith(".pptx"))
{
fileItem.CssClass = "tile tilePowerPoint fl";
}
// Then we'll add text to the tile to represent the name of the file
fileItem.Controls.Add(new LiteralControl(file.Name));
// And now we'll add a custom-styled link for opening the file in 'View' mode
// in the Office Web Access Companion
HyperLink fileView = new HyperLink();
fileView.CssClass = "tileBodyView";
fileView.Text = "";
fileView.ToolTip = "View in browser";
fileView.Target = "_blank";
fileView.Width = new Unit(125);
fileView.NavigateUrl = hostedWeb.Url + "/_layouts/15/WopiFrame.aspx?sourcedoc=" + file.ServerRelativeUrl + "&action=view&source=" + hostedWeb.Url + file.ServerRelativeUrl;
// And finally we'll add a custom-styled link for opening the file in 'Edit' mode
// in the Office Web Access Companion
HyperLink fileEdit = new HyperLink();
fileEdit.CssClass = "tileBodyEdit";
fileEdit.Text = "";
fileEdit.ToolTip = "Edit in browser";
fileEdit.Target = "_blank";
fileEdit.Width = new Unit(125);
fileEdit.NavigateUrl = hostedWeb.Url + "/_layouts/15/WopiFrame.aspx?sourcedoc=" + file.ServerRelativeUrl + "&action=edit&source=" + hostedWeb.Url + file.ServerRelativeUrl;
fileItem.Controls.Add(new LiteralControl("<br/>"));
fileItem.Controls.Add(fileView);
fileItem.Controls.Add(new LiteralControl("<br/>"));
fileItem.Controls.Add(fileEdit);
FileList.Controls.Add(fileItem);
}
}
}
}
SiteTitle.Text = "Office Web Access: " + hostedWeb.Title;
// If no videos have been found, build a red tile to inform the user
if (!foundFiles)
{
LiteralControl noItems = new LiteralControl("<div id='" + Guid.NewGuid()
+ "' class='tile tileRed fl'>There are no Office files in the parent Web</div>");
FileList.Controls.Add(noItems);
}
}
}