144 lines
5.0 KiB
Plaintext
144 lines
5.0 KiB
Plaintext
@{
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ViewBag.Title = "Chat";
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}
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<h2>Chat</h2>
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<style>
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.discussion {
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color: black;
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font-family: monospace;
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}
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.notif {
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color: grey;
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font-family: monospace;
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}
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.pv {
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color: black;
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font-family: monospace;
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font-style: bold;
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}
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</style>
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<div class="container">
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<input type="text" id="message" />
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<input type="button" id="sendmessage" value="Send" />
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<input type="hidden" id="displayname" />
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@if (ViewBag.Contacts!=null) {
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<select id="to" >
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@foreach (var contact in ViewBag.Contacts) {
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<option>@contact.UserName</option>
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}
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</select>
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}
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<ul id="userlist">
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</ul>
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<ul id="discussion">
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</ul>
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</div>
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@section scripts {
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<!--Script references. -->
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<!--The jQuery library is required and is referenced by default in _Layout.cshtml. -->
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<!--Reference the SignalR library. -->
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<script src="~/js/jquery.signalR-2.2.1.min.js"></script>
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<!--Reference the autogenerated SignalR hub script. -->
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<script src="~/api/signalr/hubs"></script>
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<!--SignalR script to update the chat page and send messages.-->
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<script>
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$(function () {
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// Reference the auto-generated proxy for the hub.
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var chat = $.connection.chatHub;
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// Create a function that the hub can call back to display messages.
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chat.client.addMessage = function (name, message) {
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// Add the message to the page.
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$('#discussion').append('<li class="discussion"><strong>' + htmlEncode(name)
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+ '</strong>: ' + htmlEncode(message) + '</li>');
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};
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chat.client.addPV = function (name, message) {
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// Add the pv to the page.
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$('#discussion').append('<li class="pv"><strong>' + htmlEncode(name)
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+ '</strong>: ' + htmlEncode(message) + '</li>');
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};
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var onUserConnected = function (cxid, username) {
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$('#userlist').append('<li class="user">'+username+'</li>')
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};
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var onUserDisconnected = function (cxid, username) {
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$('#userlist li[data-uid='+cxid+']').remove();
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};
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chat.client.notify = function (tag, message, data) {
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if (data) {
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// Add the pv to the page.
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if (tag === 'connected') {
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onUserConnected(message, data);
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$('#discussion').append('<li class="notif"><i>' + htmlEncode(tag)
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+ '</i> ' + htmlEncode(data) +'</li>');
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}
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else if (tag === 'disconnected')
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{
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onUserDisconnected(message, data);
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$('#discussion').append('<li class="notif"><i>' + htmlEncode(tag)
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+ '</i> ' + htmlEncode(data) +'</li>');
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}
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else {
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$('#discussion').append('<li class="notif"><i>' + htmlEncode(tag)
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+ '</i> ' + htmlEncode(message) + ' : ' + htmlEncode(data) + '</li>');
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}
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}
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};
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@if (!ViewBag.IsAuthenticated) {
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// Get the user name and store it to prepend to messages.
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<text>
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$('#displayname').val(prompt('Enter your name:', ''));
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</text>
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}
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// Set initial focus to message input box.
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$('#message').focus();
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// Start the connection.
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$.connection.hub.start().done(function () {
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$('#sendmessage').click(function () {
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// Call the Send method on the hub.
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chat.server.send($('#displayname').val(), $('#message').val());
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// Clear text box and reset focus for next comment.
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$('#message').val('').focus();
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});
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$('#sendpv').click(function () {
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// Call the Send method on the hub.
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chat.server.sendPV($('#to').val(), $('#message').val());
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// Clear text box and reset focus for next comment.
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$('#message').val('').focus();
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});
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var getUsers = function() {
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$('#userlist').empty();
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chat.server.getUserList().done(
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function(users) {
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$.each(users, function () {
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var user = this;
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$('#userlist').append('<li class="user"><i>' + htmlEncode(user.UserName)
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+ '</i> ' + htmlEncode(user.ConnectionId) + '</li>');
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});
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}
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);
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console.log(res);
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};
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getUsers();
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});
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});
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// This optional function html-encodes messages for display in the page.
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function htmlEncode(value) {
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var encodedValue = $('<div />').text(value).html();
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return encodedValue;
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}
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</script>
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}
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