//Method to scrape text from html using HTMLAgility pack
private async void getHtml()
{
//Using webview class method to execute sript on html document which will get all html data
String html = await wikiView.InvokeScriptAsync("eval", new string[] { "document.documentElement.outerHTML;" });
//HtmlDoument object to load HTML from string
HtmlDocument doc = new HtmlDocument();
doc.LoadHtml(html);
//variable to store html element data by it id, which in this case is "bodyContent", this text will be the info we save to storage
var text = doc.GetElementbyId("bodyContent");
//variable to store file name of scrapped text, we get it by element id which is "firstHeading"
var fileName = doc.GetElementbyId("firstHeading");
//If text is not null
if (text != null)
{
//we use Storage class to store document with text and its name
storage.storeDocument(fileName.InnerText, text.InnerText);
//Message to inform user of succesful saving to storage
var dialog = new MessageDialog("Document saved to storage.");
await dialog.ShowAsync();
}
//If text is null, when something went wrong and we display message
else
{
var dialog = new MessageDialog("Document not suitable for saving.");
await dialog.ShowAsync();
}
}
//Save document to app local storage
private async void AppBarButton_Save(object sender, RoutedEventArgs e)
{
//Create new Storage object
storage = new StorageClass();
//Create textbox for new file name input
TextBox inputTextBox = new TextBox();
inputTextBox.AcceptsReturn = false;
inputTextBox.Height = 32;
//Create content dialog box
ContentDialog dialog = new ContentDialog();
//Load inputTextBox to dialog content
dialog.Content = inputTextBox;
dialog.Title = "Enter Document Name";
dialog.IsSecondaryButtonEnabled = true;
dialog.PrimaryButtonText = "Ok";
//If file name text box is not empty save document to local storage with specified name and editor contents
if (await dialog.ShowAsync() == ContentDialogResult.Primary && inputTextBox.Text != null && inputTextBox.Text != "")
{
storage.storeDocument(inputTextBox.Text, editor.Text);
}
//If file name is empty display error message
else
{
var errorDialog = new MessageDialog("Please enter file name.");
noFileName();
async void noFileName()
{
await errorDialog.ShowAsync();
}
}
}