public Image()
{
MoveUpCommand = new Command(() => ImageBody.MoveImageUp(this));
MoveDownCommand = new Command(() => ImageBody.MoveImageDown(this));
ViewCommand = new Command(() => ImageBody.ImageViewCommand(this));
RemoveCommand = new Command(() => ImageBody.ImageRemoveCommand(this));
}
//On add new image is stored to file
void onAddButtonClicked(object sender, EventArgs e)
{
ImageViewModel i = BindingContext as ImageViewModel;
ImageBody k = i.ImageBody;
Image im = new Image();
//Does to chk if no empty string
if ((url != null) && (url.Length > 0))
{
warn.IsVisible = false;
im.ImgSource = url;
im.ImageFileName = url;
im.Title = "Title";
im.Detail = "Detail";
im.Date = "mm/dd/yyyy";
im.ImageBody = i.ImageBody;
im.Type = "5";
k.Images.Add(im);
ImageSourceText.Text = "";
}
else
{
warn.IsVisible = true;
}
//Commits user new added image to xml file
string s = ConversionExt.SerializeObject(k);
ConversionExt.Commit("visaPJ3.xml", s);
app.RefreshImage = 1;
}
public ImageViewModel(IDictionary <string, object> properties)
{
// Avoid problems with a null or empty collection.
ImageBody = new ImageBody();
ImageBody.Images.Add(new Image());
//Check to see if file exists
bool r = DependencyService.Get <ISaveAndLoad>().IfExists("visaPJ3.xml");
if (r)
{
String serializedStr = DependencyService.Get <ISaveAndLoad>().LoadText("visaPJ3.xml");
using (TextReader reader = new StringReader(serializedStr))
{
XmlSerializer serializer = new XmlSerializer(typeof(ImageBody));
ImageBody = (ImageBody)serializer.Deserialize(reader);
}
}
else
{
//Load from default xml on start of application
var assembly = typeof(ImageViewModel).GetTypeInfo().Assembly;
Stream stream = assembly.GetManifestResourceStream("DynamicPhotoFrame.ImageList.xml");
StreamReader reader = new StreamReader(stream);
XmlSerializer xml = new XmlSerializer(typeof(ImageBody));
ImageBody = xml.Deserialize(reader) as ImageBody;
stream.Dispose();
}
int imageCount = 1;
foreach (Image i in ImageBody.Images)
{
i.ImageBody = ImageBody;
int item_type = Int32.Parse(i.Type);
switch (item_type)
{
case 1:
i.ImgSource = ImageSource.FromUri(new Uri(i.ImageFileName));
break;
case 2:
i.ImgSource = ImageSource.FromFile(i.ImageFileName);
break;
case 3:
i.ImgSource = ImageSource.FromResource(i.ImageFileName);
break;
case 4:
String streamId = i.ImageFileName;
i.ImgSource = ImageSource.FromStream(() =>
{
Assembly a = GetType().GetTypeInfo().Assembly;
Stream s = a.GetManifestResourceStream(streamId);
return(s);
});
break;
default:
i.ImgSource = i.ImageFileName;
break;
}
imageCount++;
}
}
//Reads from default xml at start of program
//Subsequent reads are from saved file
public ImageBody getImageBodyFromXML()
{
ImageBody imb = new ImageBody();
imageSourceDict =
new List <KeyValuePair <String, ImageSource> >();
imb.Images.Add(new Image());
//Check to see if a new updated file has been created
bool r = DependencyService.Get <ISaveAndLoad>().IfExists("visaPJ3.xml");
if (r)
{
String serializedStr = DependencyService.Get <ISaveAndLoad>().LoadText("visaPJ3.xml");
using (TextReader reader = new StringReader(serializedStr))
{
XmlSerializer serializer = new XmlSerializer(typeof(ImageBody));
imb = (ImageBody)serializer.Deserialize(reader);
}
}
else
{
//Read defalut at start of the project
var assembly = typeof(ImageViewModel).GetTypeInfo().Assembly;
Stream stream = assembly.GetManifestResourceStream("DynamicPhotoFrame.ImageList.xml");
StreamReader reader = new StreamReader(stream);
XmlSerializer xml = new XmlSerializer(typeof(ImageBody));
imb = xml.Deserialize(reader) as ImageBody;
stream.Dispose();
}
int imageCount = 1;
foreach (Image i in imb.Images)
{
i.ImageBody = imb;
int item_type = Int32.Parse(i.Type);
//Retreive default images
switch (item_type)
{
case 1:
i.ImgSource = ImageSource.FromUri(new Uri(i.ImageFileName));
break;
case 2:
i.ImgSource = ImageSource.FromFile(i.ImageFileName);
break;
case 3:
i.ImgSource = ImageSource.FromResource(i.ImageFileName);
break;
case 4:
String streamId = i.ImageFileName;
i.ImgSource = ImageSource.FromStream(() =>
{
Assembly a = GetType().GetTypeInfo().Assembly;
Stream s = a.GetManifestResourceStream(streamId);
return(s);
});
break;
default:
i.ImgSource = i.ImageFileName;
break;
}
imageSourceDict.Add(new KeyValuePair <String, ImageSource>(i.ImageFileName, i.ImgSource));
imageCount++;
}
return(imb);
}
