generate link to exit from canvas mode

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Elwyn 2 posts 22 karma points

Jun 20, 2011 @ 00:37

Hiya,

Currently my logged in Users are presented with a link on the front end of the site, "Edit this page", which looks something like this:

<a href="/umbraco/canvas.aspx?redir=/<%= currentNode.Id %>.aspx">Edit this page</a>

How can I generate a similar link to exit out of Canvas mode?

<% if(umbraco.presentation.UmbracoContext.Current.LiveEditingContext.Enabled) { %>
<a href="/umbraco/#end-canvas?redir=<%= currentNode.NiceUrl %>">Stop editing page</a>
<% } %>

Is this possible?
How would a user normally exit out of canvas mode? I guess I would have expected a button on the LiveEditingToolbar.

So far the only way I have figured out is to click "Log out", and log back in. But this is obviously a usability issue, and I feel like I'm missing something obvious here!

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Elwyn 2 posts 22 karma points

Jun 20, 2011 @ 01:32

Well I have a solution - it works, but I am still very interested in how a user normally exits out of Canvas mode.

I ended up creating a User Control, and essentially duplicating the code from /umbraco/canvas.aspx.cs (but turning it off rather than on, of course).

public partial class EndCanvasMode : System.Web.UI.UserControl
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            User currentUser = User.GetCurrent();
            if (currentUser != null)
            {
                UmbracoContext.Current.LiveEditingContext.Enabled = false; //Turning it off, rather than on

                string redirUrl = "/";
                if (!String.IsNullOrEmpty(helper.Request("redir")))
                    redirUrl = helper.Request("redir");
                else if (Request.UrlReferrer != null && !Request.UrlReferrer.AbsolutePath.Contains("login.aspx"))
                    redirUrl = Request.UrlReferrer.AbsolutePath;

                Response.Redirect(redirUrl +
                    (string.IsNullOrEmpty(UmbracoContext.Current.Request["umbSkinning"]) ? "" : "?umbSkinning=true") + (string.IsNullOrEmpty(UmbracoContext.Current.Request["umbSkinningConfigurator"]) ? "" : "&umbSkinningConfigurator=true"), true);
            }
            else
            {
                throw new Exception("User not logged in");
            }
        }
    }

So in my templates, my link looks like this:

if(umbraco.presentation.UmbracoContext.Current.LiveEditingContext.Enabled){%>
    <a href="/system-pages/EndCanvasMode?redir==currentNode.NiceUrl%>">Stop editing page<a>
}%>

(with "/system-pages/EndCanvasmode" being an empty content node with the above user control embedded).

This feels like it should be a built in function somewhere - am I just not looking in the right place?

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