public void DetailsClicked(object sender, EventArgs e)
{
DownloadImageButton button = (DownloadImageButton)sender;
string id = button.CourseID;
Navigation.PushAsync(new LearningPath(id));
}
public async void removeCoursePackgeAsync(Object Sender, EventArgs args)
{
DownloadImageButton button = (DownloadImageButton)Sender;
string id = button.ClassId;
StackLayout item = (StackLayout)button.Parent.Parent;
Models.Record course = await App.Database.GetCourseByID(id);
course.Deleted = "true";
course.Downloaded = false;
int del = await App.Database.SaveItemAsync(course);
Container.Children.Remove(item);
// let's delete the downloaded files to clear up space //
string courseindex = "Courses/" + id;
string localFolder = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
string coursePath = Path.GetDirectoryName(Path.Combine(localFolder, courseindex));
System.IO.DirectoryInfo di = new DirectoryInfo(coursePath);
foreach (FileInfo file in di.EnumerateFiles())
{
file.Delete();
}
foreach (DirectoryInfo dir in di.EnumerateDirectories())
{
dir.Delete(true);
}
await Task.Delay(500).ContinueWith(t => getFreeStorage());
}
public async void buildSettings()
{
Container.Children.Clear();
Courses c = new Courses();
List <Models.Record> courses = await c.CheckForCourses();
foreach (Models.Record course in courses)
{
if (course.Deleted == "false")
{
StackLayout layout;
Models.Record courseRecord = await App.Database.GetCourseByID(course.CourseID);
layout = new StackLayout
{
Spacing = 1,
ClassId = "course_" + course.CourseID
};
Label title = new Label
{
Text = course.CourseName,
Style = (Style)Application.Current.Resources["headerStyle"]
};
DownloadImageButton delete = new DownloadImageButton
{
Source = "outline_remove_circle_outline_black_48.png",
ClassId = course.CourseID,
BackgroundColor = Color.Transparent,
BorderColor = Color.Transparent
};
delete.Clicked += removeCoursePackgeAsync;
/// layout in a grid
Grid btnGrid = new Grid()
{
HorizontalOptions = LayoutOptions.Center
};
btnGrid.RowDefinitions.Add(new RowDefinition {
Height = new GridLength(50)
});
btnGrid.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Star)
});
btnGrid.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(80)
});
btnGrid.Children.Add(title, 0, 0);
btnGrid.Children.Add(delete, 1, 0);
layout.Children.Add(btnGrid);
Container.Children.Add(layout);
}
}
}
public void launchCourse(Object Sender, EventArgs args)
{
DownloadImageButton button = (DownloadImageButton)Sender;
//String text = label.Text;
Page p = ViewExtensions.GetParentPage(button);
p.Navigation.PushModalAsync(new ViewCourse(button.CourseID));
}
public DownloadImageButton BuildImageLaunch(string id, Models.Record courseRecord, ActivityIndicator spinner, Label txt)
{
DownloadImageButton downloadBtn = new DownloadImageButton
{
Source = "baseline_launch_black_48.png",
ClassId = id,
Spinner = spinner,
CourseID = id,
BackgroundColor = Color.Transparent,
BorderColor = Color.Transparent,
BtnLabel = txt,
IsVisible = (courseRecord == null) ? false : (courseRecord.Deleted == "false" && courseRecord.Downloaded == true) ? true : false,
};
return(downloadBtn);
}
public DownloadImageButton BuildImageDownload(string id, Models.Record courseRecord, ActivityIndicator spinner, Label txt)
{
DownloadImageButton downloadBtn = new DownloadImageButton
{
///Text = "download",
Source = "baseline_cloud_download_black_48.png",
//Style = (Style)Application.Current.Resources["buttonStyle"],
ClassId = id,
Spinner = spinner,
BackgroundColor = Color.Transparent,
BorderColor = Color.Transparent,
BtnLabel = txt,
IsVisible = (courseRecord == null) ? true : (courseRecord.Deleted == "true" || courseRecord.Downloaded == false) ? true : false
};
return(downloadBtn);
}
/************* Learning Path Cards *************
*
*
*****************************************************/
public async Task <bool> buildObjectiveCard(Objective obj, StackLayout container, string lpid, int count)
{
Grid layout;
// overall card layout //
// objective title //
Label objectiveTitle = new Label
{
Margin = new Thickness(0, 0, 0, 0),
Text = obj.Name,
VerticalOptions = LayoutOptions.FillAndExpand,
VerticalTextAlignment = TextAlignment.Center,
HeightRequest = 40,
Style = (Style)Application.Current.Resources["headerStyle"]
};
// container for the content in the card
layout = new Grid
{
HorizontalOptions = LayoutOptions.FillAndExpand,
WidthRequest = Constants.deviceWidth,
Margin = new Thickness(0, 10, 0, 0)
};
layout.Padding = new Thickness(16, 0, 16, 0);
layout.RowDefinitions.Add(new RowDefinition {
Height = 40
});
layout.RowDefinitions.Add(new RowDefinition {
Height = new GridLength(1, GridUnitType.Auto)
});
layout.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Star)
});
layout.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Auto)
});
StackLayout cardBody = new StackLayout
{
Padding = new Thickness(0, 0, 0, 0),
Margin = new Thickness(0),
ClassId = "course_" + obj.id,
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand,
IsVisible = (count > 1) ? false : true,
Opacity = (count > 1) ? 0 : 100
};
// used to expand accordion
AccordionButton AcBtn = new AccordionButton
{
Image = "chevron_down.png",
Padding = new Thickness(0, 0, 0, 0),
Margin = new Thickness(0, 0, 0, 0),
WidthRequest = 20,
HeightRequest = 20,
BackgroundColor = Color.Transparent,
BorderColor = Color.Transparent
};
AcBtn.ContentFrame = cardBody;
AcBtn.FrameOpen = false;
AcBtn.Clicked += AcBtn_Clicked;
StackLayout frameContainer = new StackLayout();
foreach (Activity act in obj.Activities.Activity)
{
// chart for each activity in the objective
ChartView chartView = null;
float perc_complete = 0;
float perc_incomplete = 0;
Models.Record courseRecord = await App.Database.GetCourseByID(act.CourseID);
if (courseRecord == null)
{
Models.Record rec = new Models.Record();
rec.CourseID = act.CourseID;
// find the course name
rec.CourseName = act.Name;
rec.Version = "1";
rec.CourseDescription = "";
rec.CompletionStatus = "Not Started";
rec.SuccessStatus = "";
rec.Score = "";
rec.Deleted = "false";
rec.Downloaded = false;
rec.DueDate = "";
rec.LP = lpid;
rec.Objective = obj.id;
rec.CMI = "";
App.LocalFolder = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
await App.Database.SaveItemAsync(rec);
perc_complete = (rec.CompletionStatus.ToLower() == "completed") ? 100 : (rec.CompletionStatus.ToLower() != "not started") ? 50 : 0;
perc_incomplete = (rec.CompletionStatus.ToLower() == "completed") ? 0 : (rec.CompletionStatus.ToLower() != "not started") ? 50 : 100;
}
else if (String.IsNullOrEmpty(courseRecord.Objective) || String.IsNullOrEmpty(courseRecord.LP))
{
courseRecord.Objective = obj.id;
courseRecord.LP = lpid;
await App.Database.SaveItemAsync(courseRecord);
}
if (courseRecord != null)
{
if (courseRecord.ProgressMeasure != null && courseRecord.ProgressMeasure != "")
{
perc_complete = float.Parse(courseRecord.ProgressMeasure) * 100;
perc_incomplete = 100 - perc_complete;
}
else
{
perc_complete = (courseRecord.CompletionStatus.ToLower() == "completed") ? 100 : (courseRecord.CompletionStatus.ToLower() == "unknown" || courseRecord.CompletionStatus.ToLower() == "attempted") ? 50 : 0;
perc_incomplete = (courseRecord.CompletionStatus.ToLower() == "not started") ? 100 : (courseRecord.CompletionStatus.ToLower() == "completed") ? 100 : 50;
}
}
Doughnut doughnut = new Doughnut();
Grid doughnutGrid = doughnut.CompletionChart("complete", perc_complete, perc_incomplete);
//*****************************************************
Grid activityContainer = new Grid
{
Padding = new Thickness(5, 0, 5, 0),
ClassId = "course_" + act.id
};
activityContainer.RowDefinitions.Add(new RowDefinition {
Height = 50
});
activityContainer.RowDefinitions.Add(new RowDefinition {
Height = new GridLength(1, GridUnitType.Auto)
});
activityContainer.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Star)
});
activityContainer.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Auto)
});
Label coursetitle = new Label
{
Text = act.Name,
Style = (Style)Application.Current.Resources["subHeaderStyle"],
VerticalTextAlignment = TextAlignment.Center,
VerticalOptions = LayoutOptions.FillAndExpand
};
ActivityIndicator spinner = new ActivityIndicator
{
IsVisible = false,
Style = (Style)Application.Current.Resources["spinnerStyle"],
HeightRequest = 20
};
Label lbl = new Label()
{
Text = (courseRecord == null || courseRecord.Downloaded == false) ? "download" :
(courseRecord.CompletionStatus.ToLower() == "completed") ? "review" :
(courseRecord.CMI == "") ? "open" : "resume",
HorizontalOptions = LayoutOptions.Center
};
// Create the two buttons that get swapped //
DownloadImageButton launchBtn = BuildImageLaunch(act.CourseID, courseRecord, null, lbl);
DownloadImageButton downloadBtn = BuildImageDownload(act.CourseID, courseRecord, spinner, lbl);
launchBtn.HorizontalOptions = LayoutOptions.Center;
downloadBtn.HorizontalOptions = LayoutOptions.Center;
launchBtn.VerticalOptions = LayoutOptions.EndAndExpand;
downloadBtn.VerticalOptions = LayoutOptions.EndAndExpand;
// Button Grid
Grid btnGrid = new Grid()
{
HorizontalOptions = LayoutOptions.CenterAndExpand,
VerticalOptions = LayoutOptions.EndAndExpand
};
btnGrid.RowDefinitions.Add(new RowDefinition {
Height = new GridLength(50)
});
btnGrid.RowDefinitions.Add(new RowDefinition {
Height = new GridLength(20)
});
btnGrid.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(80)
});
btnGrid.Children.Add(launchBtn, 0, 0);
btnGrid.Children.Add(downloadBtn, 0, 0);
btnGrid.Children.Add(spinner, 0, 0);
btnGrid.Children.Add(lbl, 0, 1);
Courses c = new Courses();
downloadBtn.VerticalOptions = LayoutOptions.EndAndExpand;
downloadBtn.Clicked += c.DownloadClicked;
launchBtn.Clicked += c.launchCourse;
launchBtn.VerticalOptions = LayoutOptions.EndAndExpand;
downloadBtn.LaunchButton = launchBtn;
downloadBtn.CourseID = act.CourseID;
// add the image
CachedImage marquee = BuildMarquee(act.CourseID, false);
marquee.HorizontalOptions = LayoutOptions.StartAndExpand;
activityContainer.Children.Add(coursetitle, 0, 0);
// activityContainer.Children.Add(chartView, 1, 0);
activityContainer.Children.Add(doughnutGrid, 1, 0);
Grid.SetColumnSpan(coursetitle, 2);
activityContainer.Children.Add(marquee, 0, 1);
activityContainer.Children.Add(btnGrid, 1, 1);
frameContainer.Children.Add(activityContainer);
}
cardBody.Children.Add(frameContainer);
layout.Children.Add(objectiveTitle, 0, 0);
layout.Children.Add(AcBtn, 1, 0);
layout.Children.Add(cardBody, 0, 1);
Grid.SetColumnSpan(cardBody, 2);
container.Children.Add(layout);
return(true);
}
public async void buildLPCard(string id, string lptitle, string lpdescription, FlexLayout LP, EventHandler detailsClicked)
{
StudentActivityMap map = null;
MaterialFrame frame;
StackLayout layout;
Label status = new Label();
LearningPath lpObj = new LearningPath();
int completionPercent = await lpObj.GetCompletion(id);
Models.LPDBRecord lp = await getMap(id);
if (lp.LPMap != "")
{
map = JsonConvert.DeserializeObject <StudentActivityMap>(lp.LPMap);
if (map != null)
{
LP learningPath = new LP();
Models.statusObject completionStatus = learningPath.lpStatus(map.Objective);
status.Text = completionStatus.completion;
}
else
{
status.Text = "not started";
}
}
else
{
status.Text = "not started";
}
frame = new MaterialFrame
{
HasShadow = true,
Padding = new Thickness(0, 0, 0, 0),
Margin = new Thickness(0, 8, 0, 24),
CornerRadius = 0
};
// need to add doughnut
Doughnut doughnut = new Doughnut();
int percentIncomplete = 100 - completionPercent;
Grid doughnutContainer = doughnut.CompletionChart("Completed", completionPercent, percentIncomplete);
Label lbl = new Label()
{
Text = "more info",
HorizontalOptions = LayoutOptions.Center
};
DownloadImageButton moreBtn = new DownloadImageButton
{
//Text = "more",
Source = "outline_info_black_48.png",
//Style = (Style)Application.Current.Resources["buttonStyle"],
ClassId = id,
CourseID = id,
BackgroundColor = Color.Transparent,
BorderColor = Color.Transparent,
};
moreBtn.Clicked += detailsClicked;
layout = new StackLayout
{
HorizontalOptions = LayoutOptions.FillAndExpand
};
StackLayout cardBody = new StackLayout
{
Padding = new Thickness(16, 0, 16, 0),
ClassId = "course_" + id,
VerticalOptions = LayoutOptions.FillAndExpand
};
Label title = new Label
{
Text = lptitle,
Style = (Style)Application.Current.Resources["headerStyle"]
};
// html description
StackLayout cardFooter = new StackLayout
{
Padding = new Thickness(16, 0, 16, 8),
ClassId = "course_" + id
};
string htmlText = @"<html>
<head>
<meta name='viewport' content='width=device-width; height=device-height; initial-scale=1.0; maximum-scale=1.0; user-scalable=0;'/>
<style type='text/css'>
body{font-family:Segoe UI, Helvetica Neue,'Lucida Sans Unicode', Skia, sans-serif;
border:0px;padding:0px;margin:0px;
background-color:transparent;
overflow:hidden;
}
</style>
</head>
<body>" + HttpUtility.HtmlDecode(lpdescription) + "</body></html>";
CustomWebview description = new CustomWebview
{
HeightRequest = 300,
Source = new HtmlWebViewSource
{
Html = htmlText
},
Style = (Style)Application.Current.Resources["descriptionWebView"]
};
Grid btnGrid = new Grid()
{
HorizontalOptions = LayoutOptions.Center
};
btnGrid.RowDefinitions.Add(new RowDefinition {
Height = new GridLength(50)
});
btnGrid.RowDefinitions.Add(new RowDefinition {
Height = new GridLength(20)
});
btnGrid.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(80)
});
btnGrid.Children.Add(moreBtn, 0, 0);
btnGrid.Children.Add(lbl, 0, 1);
cardFooter.Children.Add(doughnutContainer);
cardFooter.Children.Add(btnGrid);
cardBody.Children.Add(title);
cardBody.Children.Add(status);
cardBody.Children.Add(description);
layout.Children.Add(cardBody);
layout.Children.Add(cardFooter);
frame.Content = layout;
LP.Children.Add(frame);
}
public async Task <bool> buildCourseCard(string courseid, string coursetitle, string coursedescription, StackLayout container, EventHandler downloadClicked, EventHandler launchCourse, string duedate)
{
MaterialFrame frame;
StackLayout layout;
// let's try to sync all the courses
var current = Connectivity.NetworkAccess;
if (current == NetworkAccess.Internet)
{
API api = new API();
Device.BeginInvokeOnMainThread(async() => await api.SyncCourse(courseid));
}
// DownloadButton launchBtn;
ActivityIndicator spinner;
// Image marquee;
StackLayout marqueeContainer;
// See if there is a course record so we can display the proper navigation (download, launch etc...)
Models.Record courseRecord = await App.Database.GetCourseByID(courseid);
CachedImage marquee = BuildMarquee(courseid, true);
// wrap the course Marquee in a stack layout so we have more control with the layout
marqueeContainer = new StackLayout
{
};
Image marqueePlaceholder = new Image
{
Source = ImageSource.FromResource("TCMobile.Images.placeholder.png")
};
marqueeContainer.Children.Add(marquee);
// marqueeContainer.Children.Add(marqueePlaceholder);
marqueePlaceholder.SetBinding(Image.IsVisibleProperty, "IsLoading");
marqueePlaceholder.BindingContext = marquee;
frame = new MaterialFrame
{
HasShadow = true,
Padding = new Thickness(0, 0, 0, 0),
Margin = new Thickness(0, 8, 0, 24),
CornerRadius = 0
};
layout = new StackLayout
{
ClassId = "course_" + courseid
};
StackLayout cardBody = new StackLayout
{
Padding = new Thickness(16, 0, 16, 0),
ClassId = "course_" + courseid,
VerticalOptions = LayoutOptions.FillAndExpand
};
Label title = new Label
{
Text = coursetitle,
Style = (Style)Application.Current.Resources["headerStyle"]
};
Grid titleGrid = new Grid()
{
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
Padding = 0,
Margin = 15
};
if (courseRecord != null && courseRecord.Downloaded != false)
{
titleGrid.RowDefinitions.Add(new RowDefinition {
Height = new GridLength(40)
});
titleGrid.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Star)
});
titleGrid.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(80)
});
}
else
{
titleGrid.RowDefinitions.Add(new RowDefinition {
Height = new GridLength(40)
});
titleGrid.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Auto)
});
}
string duedateText = "";
//ChartView chartView = null;
if (!String.IsNullOrEmpty(duedate))
{
DateTime dt = Convert.ToDateTime(duedate);
duedateText = "Due: " + String.Format("{0:ddd, MMM d, yyyy}", dt);
}
float perc_complete = 0;
float perc_incomplete = 0;
if (courseRecord != null && courseRecord.Downloaded == true)
{
if (courseRecord.ProgressMeasure != null && courseRecord.ProgressMeasure != "")
{
perc_complete = (float)Math.Round(float.Parse(courseRecord.ProgressMeasure), 0, MidpointRounding.AwayFromZero);
perc_incomplete = 100 - perc_complete;
}
else
{
perc_complete = (courseRecord != null && courseRecord.CompletionStatus.ToLower() == "completed") ? 100 :(courseRecord != null) ? 50 : 0;
perc_incomplete = (courseRecord != null && courseRecord.CompletionStatus.ToLower() != "completed") ? (courseRecord != null) ? 50 : 0 : 100;
}
}
Label dueDate = new Label
{
Text = duedateText
};
string htmlText = @"<html>
<head>
<meta name='viewport' content='width=device-width; height=device-height; initial-scale=1.0; maximum-scale=1.0; user-scalable=0;'/>
<style type='text/css'>
body{font-family:Segoe UI, Helvetica Neue,'Lucida Sans Unicode', Skia, sans-serif;
border:0px;padding:0px;margin:0px;
background-color:transparent;
overflow:hidden;
}
</style>
</head>
<body>" + HttpUtility.HtmlDecode(coursedescription) + "</body></html>";
var description = new CustomWebview
{
HeightRequest = 250,
VerticalOptions = LayoutOptions.FillAndExpand,
Source = new HtmlWebViewSource
{
Html = htmlText
},
Style = (Style)Application.Current.Resources["descriptionWebView"]
};
// ViewCell webViewViewCell = new ViewCell();
Grid webViewGrid = new Grid();
webViewGrid.Children.Add(description);
spinner = new ActivityIndicator
{
IsVisible = false,
Style = (Style)Application.Current.Resources["spinnerStyle"],
HeightRequest = 20
};
Grid btnGrid = new Grid()
{
HorizontalOptions = LayoutOptions.Center
};
btnGrid.RowDefinitions.Add(new RowDefinition {
Height = new GridLength(50)
});
btnGrid.RowDefinitions.Add(new RowDefinition {
Height = new GridLength(20)
});
btnGrid.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(80)
});
Label lbl = new Label()
{
Text = (courseRecord == null || courseRecord.Downloaded == false) ? "download" :
(courseRecord.CompletionStatus.ToLower() == "completed") ? "review" :
(courseRecord.CMI == "") ? "open" : "resume",
HorizontalOptions = LayoutOptions.Center
};
DownloadImageButton downloadBtn = BuildImageDownload(courseid, courseRecord, spinner, lbl);
downloadBtn.CourseID = courseid;
StackLayout cardFooter = new StackLayout
{
Padding = new Thickness(16, 0, 16, 8),
ClassId = "course_" + courseid
};
DownloadImageButton launchBtn = BuildImageLaunch(courseid, courseRecord, spinner, lbl);
downloadBtn.LaunchButton = launchBtn;
launchBtn.Clicked += launchCourse;
downloadBtn.Clicked += downloadClicked;
btnGrid.Children.Add(downloadBtn, 0, 0);
btnGrid.Children.Add(launchBtn, 0, 0);
btnGrid.Children.Add(spinner, 0, 0);
btnGrid.Children.Add(lbl, 0, 1);
//titleGrid.Children.Add(title, 0, 0);
if (courseRecord != null && courseRecord.Downloaded != false)
{
Doughnut doughnut = new Doughnut();
Grid doughnutContainer = doughnut.CompletionChart("Completed", perc_complete, perc_incomplete);
titleGrid.Children.Add(doughnutContainer, 1, 0);
}
cardBody.Children.Add(titleGrid);
cardBody.Children.Add(dueDate);
//string x = (courseRecord == null || courseRecord.Deleted == "true") ? "download" :
// (courseRecord.CompletionStatus.ToLower() == "completed") ? "review" :
// (courseRecord.CMI == "") ? "open" : "resume";
cardBody.Children.Add(webViewGrid);
layout.Children.Add(title);
layout.Children.Add(marqueeContainer);
layout.Children.Add(cardBody);
layout.Children.Add(cardFooter);
//cardFooter.Children.Add(launchBtn);
// cardFooter.Children.Add(downloadBtn);
//cardFooter.Children.Add(lbl);
cardFooter.Children.Add(btnGrid);
//cardFooter.Children.Add(spinner);
frame.Content = layout;
container.Children.Add(frame);
return(true);
}
