##// END OF EJS Templates
Merge pull request #4967 from Komnomnomnom/patch-1...
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r14956:0106556d merge
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1 1 //----------------------------------------------------------------------------
2 2 // Copyright (C) 2012 The IPython Development Team
3 3 //
4 4 // Distributed under the terms of the BSD License. The full license is in
5 5 // the file COPYING, distributed as part of this software.
6 6 //----------------------------------------------------------------------------
7 7
8 8 //============================================================================
9 9 // Notification widget
10 10 //============================================================================
11 11
12 12 var IPython = (function (IPython) {
13 13 "use strict";
14 14 var utils = IPython.utils;
15 15
16 16
17 17 var NotificationArea = function (selector) {
18 18 this.selector = selector;
19 19 if (this.selector !== undefined) {
20 20 this.element = $(selector);
21 21 }
22 22 this.widget_dict = {};
23 23 };
24 24
25 25 NotificationArea.prototype.temp_message = function (msg, timeout, css_class) {
26 26 var uuid = utils.uuid();
27 27 if( css_class == 'danger') {css_class = 'ui-state-error';}
28 28 if( css_class == 'warning') {css_class = 'ui-state-highlight';}
29 29 var tdiv = $('<div>')
30 30 .attr('id',uuid)
31 31 .addClass('notification_widget ui-widget ui-widget-content ui-corner-all')
32 32 .addClass('border-box-sizing')
33 33 .addClass(css_class)
34 34 .hide()
35 35 .text(msg);
36 36
37 37 $(this.selector).append(tdiv);
38 38 var tmout = Math.max(1500,(timeout||1500));
39 39 tdiv.fadeIn(100);
40 40
41 41 setTimeout(function () {
42 42 tdiv.fadeOut(100, function () {tdiv.remove();});
43 43 }, tmout);
44 44 };
45 45
46 46 NotificationArea.prototype.widget = function(name) {
47 47 if(this.widget_dict[name] == undefined) {
48 48 return this.new_notification_widget(name);
49 49 }
50 50 return this.get_widget(name);
51 51 };
52 52
53 53 NotificationArea.prototype.get_widget = function(name) {
54 54 if(this.widget_dict[name] == undefined) {
55 55 throw('no widgets with this name');
56 56 }
57 57 return this.widget_dict[name];
58 58 };
59 59
60 60 NotificationArea.prototype.new_notification_widget = function(name) {
61 61 if(this.widget_dict[name] != undefined) {
62 62 throw('widget with that name already exists ! ');
63 63 }
64 64 var div = $('<div/>').attr('id','notification_'+name);
65 65 $(this.selector).append(div);
66 66 this.widget_dict[name] = new IPython.NotificationWidget('#notification_'+name);
67 67 return this.widget_dict[name];
68 68 };
69 69
70 70 NotificationArea.prototype.init_notification_widgets = function() {
71 71 var knw = this.new_notification_widget('kernel');
72 72
73 73 // Kernel events
74 74 $([IPython.events]).on('status_idle.Kernel',function () {
75 75 IPython.save_widget.update_document_title();
76 76 knw.set_message('Kernel Idle',200);
77 77 }
78 78 );
79 79
80 80 $([IPython.events]).on('status_busy.Kernel',function () {
81 81 window.document.title='(Busy) '+window.document.title;
82 82 knw.set_message("Kernel busy");
83 83 });
84 84
85 85 $([IPython.events]).on('status_restarting.Kernel',function () {
86 86 IPython.save_widget.update_document_title();
87 87 knw.set_message("Restarting kernel", 2000);
88 88 });
89 89
90 90 $([IPython.events]).on('status_interrupting.Kernel',function () {
91 91 knw.set_message("Interrupting kernel", 2000);
92 92 });
93 93
94 94 $([IPython.events]).on('status_dead.Kernel',function () {
95 95 var msg = 'The kernel has died, and the automatic restart has failed.' +
96 96 ' It is possible the kernel cannot be restarted.' +
97 97 ' If you are not able to restart the kernel, you will still be able to save' +
98 98 ' the notebook, but running code will no longer work until the notebook' +
99 99 ' is reopened.';
100 100
101 101 IPython.dialog.modal({
102 102 title: "Dead kernel",
103 103 body : msg,
104 104 buttons : {
105 105 "Manual Restart": {
106 106 class: "btn-danger",
107 107 click: function () {
108 108 $([IPython.events]).trigger('status_restarting.Kernel');
109 109 IPython.notebook.start_kernel();
110 110 }
111 111 },
112 112 "Don't restart": {}
113 113 }
114 114 });
115 115 });
116 116
117 117 $([IPython.events]).on('websocket_closed.Kernel', function (event, data) {
118 118 var kernel = data.kernel;
119 119 var ws_url = data.ws_url;
120 120 var early = data.early;
121 121 var msg;
122 122 if (!early) {
123 123 knw.set_message('Reconnecting WebSockets', 1000);
124 124 setTimeout(function () {
125 125 kernel.start_channels();
126 126 }, 5000);
127 127 return;
128 128 }
129 129 console.log('WebSocket connection failed: ', ws_url)
130 msg = "A WebSocket connection to could not be established." +
130 msg = "A WebSocket connection could not be established." +
131 131 " You will NOT be able to run code. Check your" +
132 132 " network connection or notebook server configuration.";
133 133 IPython.dialog.modal({
134 134 title: "WebSocket connection failed",
135 135 body: msg,
136 136 buttons : {
137 137 "OK": {},
138 138 "Reconnect": {
139 139 click: function () {
140 140 knw.set_message('Reconnecting WebSockets', 1000);
141 141 setTimeout(function () {
142 142 kernel.start_channels();
143 143 }, 5000);
144 144 }
145 145 }
146 146 }
147 147 });
148 148 });
149 149
150 150
151 151 var nnw = this.new_notification_widget('notebook');
152 152
153 153 // Notebook events
154 154 $([IPython.events]).on('notebook_loading.Notebook', function () {
155 155 nnw.set_message("Loading notebook",500);
156 156 });
157 157 $([IPython.events]).on('notebook_loaded.Notebook', function () {
158 158 nnw.set_message("Notebook loaded",500);
159 159 });
160 160 $([IPython.events]).on('notebook_saving.Notebook', function () {
161 161 nnw.set_message("Saving notebook",500);
162 162 });
163 163 $([IPython.events]).on('notebook_saved.Notebook', function () {
164 164 nnw.set_message("Notebook saved",2000);
165 165 });
166 166 $([IPython.events]).on('notebook_save_failed.Notebook', function () {
167 167 nnw.set_message("Notebook save failed");
168 168 });
169 169
170 170 // Checkpoint events
171 171 $([IPython.events]).on('checkpoint_created.Notebook', function (evt, data) {
172 172 var msg = "Checkpoint created";
173 173 if (data.last_modified) {
174 174 var d = new Date(data.last_modified);
175 175 msg = msg + ": " + d.format("HH:MM:ss");
176 176 }
177 177 nnw.set_message(msg, 2000);
178 178 });
179 179 $([IPython.events]).on('checkpoint_failed.Notebook', function () {
180 180 nnw.set_message("Checkpoint failed");
181 181 });
182 182 $([IPython.events]).on('checkpoint_deleted.Notebook', function () {
183 183 nnw.set_message("Checkpoint deleted", 500);
184 184 });
185 185 $([IPython.events]).on('checkpoint_delete_failed.Notebook', function () {
186 186 nnw.set_message("Checkpoint delete failed");
187 187 });
188 188 $([IPython.events]).on('checkpoint_restoring.Notebook', function () {
189 189 nnw.set_message("Restoring to checkpoint...", 500);
190 190 });
191 191 $([IPython.events]).on('checkpoint_restore_failed.Notebook', function () {
192 192 nnw.set_message("Checkpoint restore failed");
193 193 });
194 194
195 195 // Autosave events
196 196 $([IPython.events]).on('autosave_disabled.Notebook', function () {
197 197 nnw.set_message("Autosave disabled", 2000);
198 198 });
199 199 $([IPython.events]).on('autosave_enabled.Notebook', function (evt, interval) {
200 200 nnw.set_message("Saving every " + interval / 1000 + "s", 1000);
201 201 });
202 202
203 203 };
204 204
205 205 IPython.NotificationArea = NotificationArea;
206 206
207 207 return IPython;
208 208
209 209 }(IPython));
210 210
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