//Set the group page to the group selected by the user
private void groupName_Clicked(object sender, EventArgs e)
{
int groupSelectedID = 0;
var row = (int)((BindableObject)sender).GetValue(Grid.RowProperty);
for (int i = 0; i < groupName.Count; i++)
{
if (groupName[i].BackgroundColor == Color.Red)
{
groupName[i].BackgroundColor = Color.White;
}
}
if (row == 0)
{
groupName[row].BackgroundColor = Color.Red;
groupSelectedID = userGroups.ElementAt(row).Key;
//Set the current group name in the app properties
AppProperties.setCurrentGroup(groupName[row].Text);
AppProperties.setCurrentGroupId(groupSelectedID);
CreatePage.createHamburgerIcon(new GroupPage(), groupName[row].Text);
}
else
{
groupName[row / 2].BackgroundColor = Color.Red;
groupSelectedID = userGroups.ElementAt(row / 2).Key;
AppProperties.setCurrentGroup(groupName[row / 2].Text);
AppProperties.setCurrentGroupId(groupSelectedID);
CreatePage.createHamburgerIcon(new GroupPage(), groupName[row / 2].Text);
}
}
//Login
private void BtnSubmit_Clicked(object sender, EventArgs e)
{
if (String.IsNullOrEmpty(entPassword.Text) || String.IsNullOrEmpty(entUsername.Text))
{
lblError.Text = "Please enter your credentials first.";
lblError.IsVisible = true;
}
else
{
int userID = NetworkUtils.Login(entUsername.Text, entPassword.Text);
if (userID == 0)
{
lblError.Text = "Not a valid username and password.";
lblError.IsVisible = true;
}
else
{
AppProperties.setSavedUserId(userID);
AppProperties.saveUserName(entUsername.Text);
if (Application.Current.Properties.ContainsKey("currentGroupID"))
{
String groupName = Application.Current.Properties["currentGroup"].ToString();
CreatePage.createHamburgerIcon(new GroupPage(), groupName);
}
else
{
CreatePage.createHamburgerIcon(new MainPage(), entUsername.Text);
}
}
}
}
private void BtnBack_Clicked(object sender, EventArgs e)
{
CreatePage.createHamburgerIcon(new MainPage(), Application.Current.Properties["savedUserName"].ToString());
//var otherPage = new MainPage { Title = Application.Current.Properties["savedUserName"].ToString() };
//var homePage = App.navigationPage.Navigation.NavigationStack.First();
//App.navigationPage.Navigation.InsertPageBefore(otherPage, homePage);
//App.navigationPage.PopToRootAsync(false);
}
//Add the user to the DB
private void btnUsername_Clicked(object sender, EventArgs e)
{
//String userName = entryName.Text;
//String password = entryPassword.Text;
//Make sure the user entered a username
if (string.IsNullOrWhiteSpace(entryName.Text))
{
lblNoUserName.IsVisible = true;
}
else if (string.IsNullOrEmpty(entryPassword.Text))
{
lblNoUserName.Text = "You must enter a password";
lblNoUserName.IsVisible = true;
}
else if (entryPassword.Text != entryPassword2.Text)
{
lblNoUserName.Text = "Passwords do not match.";
lblNoUserName.IsVisible = true;
}
else
{
//Insert user in DB and save username
insertUser();
if (userID == 0)
{
lblNoUserName.Text = "That user name already exists. Please choose a different username.";
lblNoUserName.IsVisible = true;
}
else
{
AppProperties.saveUserName(entryName.Text);
string path = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
string filename = Path.Combine(path, "YouSee.txt");
using (var streamWriter = new StreamWriter(filename, false))
{
streamWriter.WriteLine(entryName.Text);
}
using (var streamReader = new StreamReader(filename))
{
string content = streamReader.ReadToEnd();
System.Diagnostics.Debug.WriteLine(content);
}
//Launch MainPage
CreatePage.createHamburgerIcon(new MainPage(), Application.Current.Properties["savedUserName"].ToString());
}
}
}
public App()
{
InitializeComponent();
Dictionary <int, String> userGroups = NetworkUtils.getUserGroups();
//Determine which screen should be displayed on load
//https://forums.xamarin.com/discussion/105085/app-launch-login-page-when-launched-first-time-next-time-when-app-is-open-enter-pin-is-asked-how
if (Application.Current.Properties.ContainsKey("currentGroupID") && userGroups.Count > 0)
{
CreatePage.createHamburgerIcon(new GroupPage(), Application.Current.Properties["currentGroup"].ToString());
}
else if (Application.Current.Properties.ContainsKey("savedUserName"))
{
//createHamburgerIcon();
CreatePage.createHamburgerIcon(new MainPage(), Application.Current.Properties["savedUserName"].ToString());
}
else
{
MainPage = new NameScreen();
}
}
//Insert the user into group
private void BtnSubmit_Clicked(object sender, EventArgs e)
{
String groupCode = entInviteCode.Text;
int groupID = NetworkUtils.getGroupIdFromGroupCode(groupCode);
int userID = (int)Application.Current.Properties["savedUserID"];
Console.WriteLine(NetworkUtils.groupsDictionary.Count);
if (groupID == 0)
{
lblError.Text = "Something went wrong. Please make sure the group code you entered was correct.";
lblError.IsVisible = true;
}
else if (NetworkUtils.groupsDictionary.Keys.Contains(groupID))
{
lblError.Text = "You are already a member of that group.";
lblError.IsVisible = true;
}
else
{
String groupName = NetworkUtils.getGroupNameFromGroupCode(groupCode);
try
{
//Add the dictionary to the app properties
NetworkUtils.groupsDictionary.Add(groupID, groupName);
AppProperties.setGroupsDictionary();
NetworkUtils.insertIntoGroup(groupID, userID);
}
catch (Exception ex)
{
lblError.Text = "You are already a member of that group";
lblError.IsVisible = true;
}
AppProperties.setCurrentGroup(groupName);
AppProperties.setCurrentGroupId(groupID);
CreatePage.createHamburgerIcon(new GroupPage(), groupName);
}
}
private void setupPage()
{
if (gridIsTrueListIsFalse)
{
int groupCol = 2;
int delBtnCol = 0;
//Add the groups to the page
for (int i = 0; i < myGroups.Count; i++)
{
//Define the groupName label properties
groupName.Add(new MyButton());
groupName[i].Text = myGroups[i];
groupName[i].HorizontalOptions = LayoutOptions.FillAndExpand;
groupName[i].VerticalOptions = LayoutOptions.Center;
groupName[i].BackgroundColor = Color.White;
groupName[i].TextColor = Color.Black;
groupName[i].Clicked += groupName_Clicked;
//Add spacers between groups
groupSpacer.Add(new BoxView());
groupSpacer[i].BackgroundColor = Color.SlateGray;
//Row to add spacer between group names
groupSpacerRow.Add(new RowDefinition());
groupSpacerRow[i].Height = 1;
//Create a new row definition for new users
groupRow.Add(new RowDefinition());
groupRow[i].Height = 55;
//Define delete button properties
deleteBtns.Add(new Button());
deleteBtns[i].BackgroundColor = Color.Black;
deleteBtns[i].Image = "trashcan.png";
deleteBtns[i].Clicked += BtnDelete_Clicked;
//Add spacers between delete buttons
delRowSpacer.Add(new BoxView());
delRowSpacer[i].BackgroundColor = Color.SlateGray;
//Box view to set background color for delete icons
deleteBoxView.Add(new BoxView());
deleteBoxView[i].BackgroundColor = Color.Black;
//Increment i by 1 with temp var to add spacer/spacerRow
int spacerRowIndex = i + 1;
int groupRowIndex = i;
//After first iteration, row index MUST add i to correctly add rows, users, and spacers
if (i > 0)
{
spacerRowIndex += i;
groupRowIndex += i;
}
//Add the row definitions for the group names and the spacer bar between groups
grdGroups.RowDefinitions.Add(groupRow[i]);
grdGroups.RowDefinitions.Add(groupSpacerRow[i]);
////Add everything to the page
//grdGroups.Children.Add(groupBoxView[i], groupCol, groupRowIndex);
grdGroups.Children.Add(groupName[i], groupCol, groupRowIndex);
grdGroups.Children.Add(groupSpacer[i], groupCol, spacerRowIndex);
grdGroups.Children.Add(delRowSpacer[i], delBtnCol, spacerRowIndex);
grdGroups.Children.Add(deleteBoxView[i], delBtnCol, groupRowIndex);
grdGroups.Children.Add(deleteBtns[i], delBtnCol, groupRowIndex);
}
//Set the selected group name button color
if (Application.Current.Properties.ContainsKey("currentGroupID"))
{
try
{
NetworkUtils.getUserGroups();
List <int> groupIds = userGroups.Keys.ToList();
int selectedGroup = groupIds.IndexOf((int)Application.Current.Properties["currentGroupID"]);
groupName[selectedGroup].BackgroundColor = Color.Red;
}
catch
{
Application.Current.Properties.Remove("currentGroupID");
Application.Current.Properties.Remove("currentGroup");
CreatePage.createHamburgerIcon(new MainPage(), Application.Current.Properties["savedUserName"].ToString());
}
}
}
else if (!gridIsTrueListIsFalse)
{
//Warning... ListView selectedItem is ugly as shit
int delBtnCol = 0;
MyListView.IsVisible = true;
//Add the groups to the page
for (int i = 0; i < myGroups.Count; i++)
{
//Create a new row definition for new users
groupRow.Add(new RowDefinition());
groupRow[i].Height = 55;
//Box view to set background color for delete icons
deleteBoxView.Add(new BoxView());
deleteBoxView[i].BackgroundColor = Color.Black;
//Define delete button properties
deleteBtns.Add(new Button());
deleteBtns[i].BackgroundColor = Color.Black;
deleteBtns[i].Image = "trashcan.png";
deleteBtns[i].Clicked += BtnDelete_Clicked;
//Row to add spacer between group names
groupSpacerRow.Add(new RowDefinition());
groupSpacerRow[i].Height = 1;
//Add everything to the page
grdGroups.Children.Add(grdDeleteBtns, 0, 0);
grdDeleteBtns.RowDefinitions.Add(groupRow[i]);
grdDeleteBtns.Children.Add(deleteBoxView[i], delBtnCol, i);
grdDeleteBtns.Children.Add(deleteBtns[i], delBtnCol, i);
grdGroups.Children.Add(MyListView, 2, 0);
}
}
}
//Remove the user from the DB Group and hide the row for the group that was deleted
private void BtnDelete_Clicked(object sender, EventArgs e)
{
String groupToDelete = null;
int GroupIdToDelete = 0;
//Get the selected grid row number
//https://forums.xamarin.com/discussion/19915/how-to-isentify-the-selected-row-in-a-grid
var row = (int)((BindableObject)sender).GetValue(Grid.RowProperty);
if (gridIsTrueListIsFalse)
{
//Group name starts at row 0 and then appears on every other row
if (row == 0)
{
groupToDelete = myGroups[0];
GroupIdToDelete = userGroups.ElementAt(0).Key;
if ((int)Application.Current.Properties["currentGroupID"] == GroupIdToDelete)
{
if (userGroups.Count > 1)
{
AppProperties.setCurrentGroupId(userGroups.ElementAt(row + 1).Key);
AppProperties.setCurrentGroup(myGroups[row + 1]);
grdGroups.RowDefinitions.ElementAt <RowDefinition>(row).Height = 0;
NetworkUtils.DeleteUserFromGroup(GroupIdToDelete);
NetworkUtils.getUserGroups();
NetworkUtils.getUserGroups();
CreatePage.createHamburgerIcon(new GroupPage(), Application.Current.Properties["currentGroup"].ToString());
}
}
grdGroups.RowDefinitions.ElementAt <RowDefinition>(row).Height = 0;
NetworkUtils.DeleteUserFromGroup(GroupIdToDelete);
NetworkUtils.getUserGroups();
if (NetworkUtils.groupsDictionary.Count == 0)
{
//CreatePage.createHamburgerIcon(new MainPage(), Application.Current.Properties["savedUserName"].ToString());
var otherPage = new MainPage {
Title = Application.Current.Properties["savedUserName"].ToString()
};
var homePage = App.navigationPage.Navigation.NavigationStack.First();
App.navigationPage.Navigation.InsertPageBefore(otherPage, homePage);
App.navigationPage.PopToRootAsync(false);
}
}
else
{
groupToDelete = myGroups[row / 2];
GroupIdToDelete = userGroups.ElementAt(row / 2).Key;
//THROWS ERROR IF CURRENT GROUP ID IS NULL - only happens if trying to delete group after fresh install before user selects a current group
if ((int)Application.Current.Properties["currentGroupID"] == GroupIdToDelete)
{
AppProperties.setCurrentGroupId(userGroups.ElementAt(row / 2 - 1).Key);
AppProperties.setCurrentGroup(myGroups[row / 2 - 1]);
grdGroups.RowDefinitions.ElementAt <RowDefinition>(row).Height = 0;
NetworkUtils.DeleteUserFromGroup(GroupIdToDelete);
NetworkUtils.getUserGroups();
NetworkUtils.getUserGroups();
CreatePage.createHamburgerIcon(new GroupPage(), Application.Current.Properties["currentGroup"].ToString());
}
grdGroups.RowDefinitions.ElementAt <RowDefinition>(row).Height = 0;
NetworkUtils.DeleteUserFromGroup(GroupIdToDelete);
NetworkUtils.getUserGroups();
NetworkUtils.getUserGroups();
if (NetworkUtils.groupsDictionary.Count == 0)
{
var otherPage = new MainPage {
Title = Application.Current.Properties["savedUserName"].ToString()
};
var homePage = App.navigationPage.Navigation.NavigationStack.First();
App.navigationPage.Navigation.InsertPageBefore(otherPage, homePage);
App.navigationPage.PopToRootAsync(false);
}
}
}
else
{
groupToDelete = myGroups[row];
UpdateRow(GroupIdToDelete, row);
}
}
//
private void BtnBack_Clicked(object sender, EventArgs e)
{
CreatePage.createHamburgerIcon(new MainPage(), Application.Current.Properties["savedUserName"].ToString());
}