/*
* adds needed stuff to the HTML to be displayed in the browser
*/
private string prepHTML(string baseHTML, DeviceInfoHolder devInfo)
{
string o = "";
o += "<html><head>";
//prevent zooming
o += "<meta name='viewport' content='width=320,user-scalable=no'/>";
//inject the theme
o += "<style type='text/css'>" +
"body {{font-size:1.0em;background-color:" + FetchBackgroundColor() + ";" +
"color:" + FetchFontColor() + ";}} " + "</style>";
//inject the script to pass link taps out of the browser
o += "<script type='text/javascript'>";
o += @"function getLinks(){
a = document.getElementsByTagName('a');
for(var i=0; i < a.length; i++){
var msg = a[i].href;
a[i].onclick = function() {notify(msg);
};
}
}
function notify(msg) {
window.external.Notify(msg);
event.returnValue=false;
return false;
}";
//inject the script to find height
o += @"function Scroll() {
var elem = document.getElementById('content');
window.external.Notify(elem.scrollHeight + '');
}
";
//remove all anchors
while (baseHTML.Contains("<a class=\"anchor\""))
{
int start = baseHTML.IndexOf("<a class=\"anchor\"");
int end = baseHTML.IndexOf("</h2>", start);
baseHTML = baseHTML.Remove(start, end - start);
}
//FIXME remove this when we fix the webbrowser
//remove all links
while (baseHTML.Contains("<a href"))
{
//remove most of the link
int start = baseHTML.IndexOf("<a href");
int end = baseHTML.IndexOf(">", start);
baseHTML = baseHTML.Remove(start, end + 1 - start);
//remove end tag
start = baseHTML.IndexOf("</a>", start);
baseHTML = baseHTML.Remove(start, "</a>".Length);
}
o += @"window.onload = function() {
Scroll();
getLinks();
}";
o += "</script>";
o += "</head>";
o += "<body><div id='content'>";
//o += "<img src='" + infoVM.ImageURL + "'>";
o += "<h2>" + devInfo.guides.Length + " Guides</h2>";
o += "<h2>" + devInfo.solutions.count + " Solutions</h2>";
o += baseHTML.Trim();
o += "</div></body>";
o += "</html>";
return o;
}
/*
* Take in the results from the API query to get additional info about categories (IE thumb) and
* add it to the DB entries
*/
bool storeJSONCategoryInDB(DeviceInfoHolder di)
{
Category c = root.Categories.Single(cat => cat.Name == di.title);
Debug.WriteLine("Category: " + c.Name + "| " + c.parentName + "| ");
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
c.Thumbnail = di.image.text + ".standard";
--thumbCount;
//manually force the cache to save the image
//ImgCache.RetrieveAndCacheByURL(di.image.text);
if (thumbCount == 0)
{
MainPage temp = RootFrame.Content as MainPage;
if (temp != null)
{
temp.initDataBinding();
temp.StopLoadingIndication();
PhoneApplicationService.Current.State[LoadingScreenShown] = true;
}
}
});
return true;
}
/*
* Insert the data from the JSON parser into the database
*/
private bool insertDevInfoIntoDB(DeviceInfoHolder devInfo)
{
//something is wrong and the device was not found. Bail
if (devInfo == null)
{
Debug.WriteLine("something went terribly wrong with a DeviceInfo. Bailing");
NavigationService.GoBack();
return false;
}
Topic top = null;
Debug.WriteLine("putting device info into DB...");
//try to get a topic of this name from the DB
//if it fails, make a new one. if it works, update the old
using (iFixitDataContext db = new iFixitDataContext(App.DBConnectionString))
{
bool gotTopicFromDB = true;
top = DBHelpers.GetCompleteTopic(devInfo.topic_info.name, db);
if (top == null)
{
top = new Topic();
gotTopicFromDB = false;
}
//translate devInfo in a Topic()
//name is already the same
top.Name = devInfo.topic_info.name;
top.parentName = devInfo.title;
top.Contents = devInfo.description;
top.ImageURL = devInfo.image.text + ".medium";
top.Populated = true;
//TODO inject metatdata here like # answers
top.Description = "";
top.Description += prepHTML(devInfo.contents, devInfo);
//now do the same for all attached guides
foreach (DIGuides g in devInfo.guides)
{
Debug.WriteLine("\tguide " + g.title);
//search if the guide already exists, and get or update it
Guide gOld = new Guide();
gOld.FillFieldsFromDeviceInfo(navTopicName, g);
gOld = db.GuidesTable.FirstOrDefault(other => other.GuideID == gOld.GuideID);
if (gOld == null)
{
gOld = new Guide();
db.GuidesTable.InsertOnSubmit(gOld);
}
gOld.FillFieldsFromDeviceInfo(navTopicName, g);
// hang it below the topic, it its collection of guides
top.AddGuide(gOld);
//FIXME do we need to specifically add this to the guide table? is that magic?
db.SubmitChanges();
}
if (!gotTopicFromDB)
{
db.TopicsTable.InsertOnSubmit(top);
}
//update the Topic() into the database
db.SubmitChanges();
//force the view model to update
infoVM.UpdateData();
updateInfoBrowser();
//force the views to update
this.InfoStack.DataContext = infoVM;
this.GuidesStack.DataContext = infoVM;
//disable the loading bars
this.LoadingBarInfo.Visibility = System.Windows.Visibility.Collapsed;
this.LoadingBarGuides.Visibility = System.Windows.Visibility.Collapsed;
}
return true;
}
