Update #74: Friendly disconnected messages
When the live connection to the server is interrupted some ui elements are disabled. If the connection fails (due to errors or failed reconnection) a dialog instructs the user to check their connection and refresh the browser. Relates to Device, Job and User pages (logs and attachments).
This commit is contained in:
Gary Sharp
@@ -46,7 +46,7 @@
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{
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<div class="Disco-AttachmentUpload-Progress"></div>
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<div class="attachmentInput clearfix">
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<span class="action upload fa fa-upload" title="Attach File"></span><span class="action photo fa fa-camera" title="Capture Image"></span>
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<span class="action upload fa fa-upload disabled" title="Attach File"></span><span class="action photo fa fa-camera disabled" title="Capture Image"></span>
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</div>
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}
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<script type="text/javascript">
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@@ -67,24 +67,57 @@
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hub.client.removeAttachment = onRemoveAttachment;
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$.connection.hub.qs = { UserId: '@(Model.User.UserId.Replace(@"\", @"\\"))' };
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$.connection.hub.error(onHubError);
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$.connection.hub.error(onHubFailed);
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$.connection.hub.disconnected(onHubFailed);
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// Start Connection
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$.connection.hub.start().fail(onHubError);
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$.connection.hub.reconnecting(function () {
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$('#AttachmentsContainer').find('span.action').addClass('disabled');
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});
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$.connection.hub.reconnected(function () {
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$('#AttachmentsContainer').find('span.action').removeClass('disabled');
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});
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function onHubError(error) {
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alert('Live-update Error: ' + error);
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}
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// Start Connection
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$.connection.hub.start(function () {
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$('#AttachmentsContainer').find('span.action').removeClass('disabled');
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}).fail(onHubFailed);
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function onAddAttachment(id, quick) {
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var data = { id: id };
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$.ajax({
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url: '@Url.Action(MVC.API.User.Attachment())',
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dataType: 'json',
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data: data,
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success: function (d) {
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if (d.Result == 'OK') {
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var a = d.Attachment;
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function onHubFailed(error) {
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// Disable UI
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$('#AttachmentsContainer').find('span.action').addClass('disabled');
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// Show Dialog Message
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if ($('.disconnected-dialog').length == 0) {
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$('<div>')
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.addClass('dialog disconnected-dialog')
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.html('<h3><span class="fa-stack fa-lg"><i class="fa fa-wifi fa-stack-1x"></i><i class="fa fa-ban fa-stack-2x error"></i></span>Disconnected from the Disco ICT Server</h3><div>Please ensure you are connected to the server, then refresh this page to enable features.</div>')
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.dialog({
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resizable: false,
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title: 'Disconnected',
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width: 400,
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modal: true,
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buttons: {
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'Refresh Now': function () {
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$(this).dialog('option', 'buttons', null);
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window.location.href = window.location.href;
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},
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'Close': function () {
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$(this).dialog('destroy');
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}
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}
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});
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}
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}
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function onAddAttachment(id, quick) {
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var data = { id: id };
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$.ajax({
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url: '@Url.Action(MVC.API.User.Attachment())',
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dataType: 'json',
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data: data,
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success: function (d) {
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if (d.Result == 'OK') {
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var a = d.Attachment;
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@if (canRemoveAnyAttachments)
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{
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<text>buildAttachment(a, true, quick);</text>
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@@ -97,200 +130,206 @@
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{
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<text>buildAttachment(a, false, quick);</text>
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}
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} else {
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alert('Unable to add attachment: ' + d.Result);
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} else {
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alert('Unable to add attachment: ' + d.Result);
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}
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},
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error: function (jqXHR, textStatus, errorThrown) {
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alert('Unable to add attachment: ' + textStatus);
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}
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},
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error: function (jqXHR, textStatus, errorThrown) {
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alert('Unable to add attachment: ' + textStatus);
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}
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});
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}
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function buildAttachment(a, canRemove, quick) {
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var t = '<a><span class="icon"><img alt="Attachment Thumbnail" /></span><span class="comments"></span><span class="author"></span>';
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if (canRemove)
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t += '<span class="remove fa fa-times-circle"></span>';
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t += '<span class="timestamp"></span></a>';
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});
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}
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function buildAttachment(a, canRemove, quick) {
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var t = '<a><span class="icon"><img alt="Attachment Thumbnail" /></span><span class="comments"></span><span class="author"></span>';
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if (canRemove)
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t += '<span class="remove fa fa-times-circle"></span>';
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t += '<span class="timestamp"></span></a>';
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var e = $(t);
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var e = $(t);
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e.attr('data-attachmentid', a.Id).attr('data-mimetype', a.MimeType).attr('href', '@(Url.Action(MVC.API.User.AttachmentDownload()))/' + a.Id);
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e.find('.comments').text(a.Description);
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e.find('.author').text(a.Author);
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e.find('.timestamp').text(a.TimestampFull).attr('title', a.TimestampFull).livestamp(a.TimestampUnixEpoc);
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if (canRemove)
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e.find('.remove').click(removeAttachment);
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if (!quick)
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e.hide();
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$attachmentOutput.append(e);
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onUpdate();
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if (!quick)
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e.show('slow');
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if (a.MimeType.toLowerCase().indexOf('image/') == 0)
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e.shadowbox({ gallery: 'attachments', player: 'img', title: a.Description });
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else
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e.click(onDownload);
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e.attr('data-attachmentid', a.Id).attr('data-mimetype', a.MimeType).attr('href', '@(Url.Action(MVC.API.User.AttachmentDownload()))/' + a.Id);
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e.find('.comments').text(a.Description);
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e.find('.author').text(a.Author);
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e.find('.timestamp').text(a.TimestampFull).attr('title', a.TimestampFull).livestamp(a.TimestampUnixEpoc);
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if (canRemove)
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e.find('.remove').click(removeAttachment);
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if (!quick)
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e.hide();
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$attachmentOutput.append(e);
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onUpdate();
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if (!quick)
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e.show('slow');
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if (a.MimeType.toLowerCase().indexOf('image/') == 0)
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e.shadowbox({ gallery: 'attachments', player: 'img', title: a.Description });
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else
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e.click(onDownload);
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// Add Thumbnail
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var buildThumbnail = function () {
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var retryCount = 0;
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var img = e.find('.icon img');
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// Add Thumbnail
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var buildThumbnail = function () {
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var retryCount = 0;
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var img = e.find('.icon img');
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var setThumbnailUrl = function () {
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img.attr('src', '@(Url.Action(MVC.API.User.AttachmentThumbnail()))/' + a.Id + '?v=' + retryCount);
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var setThumbnailUrl = function () {
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img.attr('src', '@(Url.Action(MVC.API.User.AttachmentThumbnail()))/' + a.Id + '?v=' + retryCount);
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};
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img.on('error', function () {
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img.addClass('loading');
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retryCount++;
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if (retryCount < 6)
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window.setTimeout(setThumbnailUrl, retryCount * 250);
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});
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img.on('load', function () {
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img.removeClass('loading');
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});
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window.setTimeout(setThumbnailUrl, 100);
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};
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img.on('error', function () {
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img.addClass('loading');
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retryCount++;
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if (retryCount < 6)
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window.setTimeout(setThumbnailUrl, retryCount * 250);
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});
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img.on('load', function () {
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img.removeClass('loading');
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});
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window.setTimeout(setThumbnailUrl, 100);
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};
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buildThumbnail();
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}
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function onDownload() {
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var $this = $(this);
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var url = $this.attr('href');
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if ($.connection && $.connection.hub && $.connection.hub.transport &&
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$.connection.hub.transport.name == 'foreverFrame') {
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// SignalR active with foreverFrame transport - use popup window
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window.open(url, '_blank', 'height=150,width=250,location=no,menubar=no,resizable=no,scrollbars=no,status=no,toolbar=no');
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} else {
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// use iFrame
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if (!$attachmentDownloadHost) {
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$attachmentDownloadHost = $('<iframe>')
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.attr({ 'src': url, 'title': 'Attachment Download Host' })
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.addClass('hidden')
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.appendTo('body')
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.contents();
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} else {
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$attachmentDownloadHost[0].location.href = url;
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}
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buildThumbnail();
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}
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return false;
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}
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function onRemoveAttachment(id) {
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var a = $attachmentOutput.find('a[data-attachmentid=' + id + ']');
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a.hide(300).delay(300).queue(function () {
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function onDownload() {
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var $this = $(this);
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if ($this.attr('data-mimetype').toLowerCase().indexOf('image/') == 0)
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Shadowbox.removeCache(this);
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$this.find('.timestamp').livestamp('destroy');
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$this.remove();
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onUpdate();
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});
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}
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var url = $this.attr('href');
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function onUpdate() {
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var attachmentCount = $attachmentOutput.children('a').length;
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var tabHeading = 'Attachments [' + attachmentCount + ']';
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$('#UserDetailTab-ResourcesLink').text(tabHeading);
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}
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if ($.connection && $.connection.hub && $.connection.hub.transport &&
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$.connection.hub.transport.name == 'foreverFrame') {
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// SignalR active with foreverFrame transport - use popup window
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window.open(url, '_blank', 'height=150,width=250,location=no,menubar=no,resizable=no,scrollbars=no,status=no,toolbar=no');
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} else {
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// use iFrame
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if (!$attachmentDownloadHost) {
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$attachmentDownloadHost = $('<iframe>')
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.attr({ 'src': url, 'title': 'Attachment Download Host' })
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.addClass('hidden')
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.appendTo('body')
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.contents();
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} else {
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$attachmentDownloadHost[0].location.href = url;
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}
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}
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return false;
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}
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function onRemoveAttachment(id) {
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var a = $attachmentOutput.find('a[data-attachmentid=' + id + ']');
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a.hide(300).delay(300).queue(function () {
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var $this = $(this);
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if ($this.attr('data-mimetype').toLowerCase().indexOf('image/') == 0)
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Shadowbox.removeCache(this);
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$this.find('.timestamp').livestamp('destroy');
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$this.remove();
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onUpdate();
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});
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}
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function onUpdate() {
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var attachmentCount = $attachmentOutput.children('a').length;
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var tabHeading = 'Attachments [' + attachmentCount + ']';
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$('#UserDetailTab-ResourcesLink').text(tabHeading);
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}
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@if (canAddAttachments)
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{<text>
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//#region Add Attachments
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var attachmentUploader = new document.Disco.AttachmentUploader(
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'@(Url.Action(MVC.API.User.AttachmentUpload(Model.User.UserId, null)))',
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//#region Add Attachments
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var attachmentUploader = new document.Disco.AttachmentUploader(
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'@(Url.Action(MVC.API.User.AttachmentUpload(Model.User.UserId, null)))',
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$Attachments.find('.Disco-AttachmentUpload-DropTarget'),
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$Attachments.find('.Disco-AttachmentUpload-Progress'));
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var $attachmentInput = $Attachments.find('.attachmentInput');
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$attachmentInput.find('.photo').click(function () {
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attachmentUploader.uploadImage();
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});
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$attachmentInput.find('.upload').click(function () {
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attachmentUploader.uploadFiles();
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});
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var resourcesTab;
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$(document).on('dragover', function () {
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if (!resourcesTab) {
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var tabs = $Attachments.closest('.ui-tabs');
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resourcesTab = {
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tabs: tabs,
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resourcesIndex: tabs.children('ul.ui-tabs-nav').find('a[href="#UserDetailTab-Resources"]').closest('li').index()
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};
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}
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var selectedIndex = resourcesTab.tabs.tabs('option', 'active');
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if (resourcesTab.resourcesIndex !== selectedIndex)
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resourcesTab.tabs.tabs('option', 'active', resourcesTab.resourcesIndex);
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});
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//#endregion
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</text>}
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@if (canRemoveAnyAttachments || canRemoveOwnAttachments)
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{<text>
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//#region Remove Attachments
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$attachmentOutput.find('span.remove').click(removeAttachment);
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function removeAttachment() {
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$this = $(this).closest('a');
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var data = { id: $this.attr('data-attachmentid') };
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if (!$dialogRemoveAttachment) {
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$dialogRemoveAttachment = $('#dialogRemoveAttachment').dialog({
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resizable: false,
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height: 140,
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modal: true,
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autoOpen: false
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});
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}
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$dialogRemoveAttachment.dialog("enable");
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$dialogRemoveAttachment.dialog('option', 'buttons', {
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"Remove": function () {
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$dialogRemoveAttachment.dialog("disable");
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$dialogRemoveAttachment.dialog("option", "buttons", null);
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$.ajax({
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url: '@Url.Action(MVC.API.User.AttachmentRemove())',
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dataType: 'json',
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data: data,
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success: function (d) {
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if (d == 'OK') {
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// Do nothing, await SignalR notification
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} else {
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alert('Unable to remove attachment: ' + d);
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}
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$dialogRemoveAttachment.dialog("close");
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},
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error: function (jqXHR, textStatus, errorThrown) {
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alert('Unable to remove attachment: ' + textStatus);
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$dialogRemoveAttachment.dialog("close");
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}
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});
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},
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Cancel: function () {
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$dialogRemoveAttachment.dialog("close");
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}
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var $attachmentInput = $Attachments.find('.attachmentInput');
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$attachmentInput.find('.photo').click(function () {
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if ($(this).hasClass('disabled'))
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alert('Disconnected from the Disco ICT Server, please refresh this page and try again');
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else
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attachmentUploader.uploadImage();
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});
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$attachmentInput.find('.upload').click(function () {
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if ($(this).hasClass('disabled'))
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alert('Disconnected from the Disco ICT Server, please refresh this page and try again');
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else
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attachmentUploader.uploadFiles();
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});
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$dialogRemoveAttachment.dialog('open');
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var resourcesTab;
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$(document).on('dragover', function () {
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if (!resourcesTab) {
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var tabs = $Attachments.closest('.ui-tabs');
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resourcesTab = {
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tabs: tabs,
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resourcesIndex: tabs.children('ul.ui-tabs-nav').find('a[href="#UserDetailTab-Resources"]').closest('li').index()
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};
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}
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var selectedIndex = resourcesTab.tabs.tabs('option', 'active');
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if (resourcesTab.resourcesIndex !== selectedIndex)
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resourcesTab.tabs.tabs('option', 'active', resourcesTab.resourcesIndex);
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});
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//#endregion
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</text>}
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@if (canRemoveAnyAttachments || canRemoveOwnAttachments)
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{<text>
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//#region Remove Attachments
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return false;
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}
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$attachmentOutput.find('span.remove').click(removeAttachment);
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//#endregion
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function removeAttachment() {
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$this = $(this).closest('a');
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var data = { id: $this.attr('data-attachmentid') };
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if (!$dialogRemoveAttachment) {
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$dialogRemoveAttachment = $('#dialogRemoveAttachment').dialog({
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resizable: false,
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height: 140,
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modal: true,
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autoOpen: false
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});
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}
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$dialogRemoveAttachment.dialog("enable");
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$dialogRemoveAttachment.dialog('option', 'buttons', {
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"Remove": function () {
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$dialogRemoveAttachment.dialog("disable");
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$dialogRemoveAttachment.dialog("option", "buttons", null);
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$.ajax({
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url: '@Url.Action(MVC.API.User.AttachmentRemove())',
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dataType: 'json',
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data: data,
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success: function (d) {
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if (d == 'OK') {
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// Do nothing, await SignalR notification
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} else {
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alert('Unable to remove attachment: ' + d);
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}
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$dialogRemoveAttachment.dialog("close");
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},
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error: function (jqXHR, textStatus, errorThrown) {
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alert('Unable to remove attachment: ' + textStatus);
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$dialogRemoveAttachment.dialog("close");
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}
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});
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},
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Cancel: function () {
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$dialogRemoveAttachment.dialog("close");
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}
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});
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$dialogRemoveAttachment.dialog('open');
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return false;
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}
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//#endregion
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</text>}
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$attachmentOutput.children('a').each(function () {
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$this = $(this);
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if ($this.attr('data-mimetype').toLowerCase().indexOf('image/') == 0)
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$this.shadowbox({ gallery: 'attachments', player: 'img', title: $this.find('.comments').text() });
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else
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$this.click(onDownload);
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$attachmentOutput.children('a').each(function () {
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$this = $(this);
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if ($this.attr('data-mimetype').toLowerCase().indexOf('image/') == 0)
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$this.shadowbox({ gallery: 'attachments', player: 'img', title: $this.find('.comments').text() });
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else
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$this.click(onDownload);
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});
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});
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});
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</script>
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</div>
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</td>
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Reference in New Issue
Block a user