summaryrefslogtreecommitdiff
path: root/proto.js
blob: 74eeabd1c3624b4d065366a92edae2887e4a8d9f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
/* -*- Mode: javascript; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set et sw=2 ts=2: */

var BrowserDetect = {
  init: function () {
    this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
    this.version = this.searchVersion(navigator.userAgent)
      || this.searchVersion(navigator.appVersion)
      || "an unknown version";
    this.OS = this.searchString(this.dataOS) || "an unknown OS";
  },
  searchString: function (data) {
    for (var i=0;i<data.length;i++)  {
      var dataString = data[i].string;
      var dataProp = data[i].prop;
      this.versionSearchString = data[i].versionSearch || data[i].identity;
      if (dataString) {
        if (dataString.indexOf(data[i].subString) != -1)
          return data[i].identity;
      }
      else if (dataProp)
        return data[i].identity;
    }
  },
  searchVersion: function (dataString) {
    var index = dataString.indexOf(this.versionSearchString);
    if (index == -1) return;
    return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
  },
  dataBrowser: [ { string: navigator.userAgent, subString: "Chrome", identity: "Chrome" },
                 { string: navigator.userAgent, subString: "OmniWeb", versionSearch: "OmniWeb/",
                   identity: "OmniWeb" },
                 { string: navigator.vendor, subString: "Apple", identity: "Safari",
                   versionSearch: "Version" },
                 { prop: window.opera, identity: "Opera", versionSearch: "Version" },
                 { string: navigator.vendor, subString: "iCab", identity: "iCab" },
                 { string: navigator.vendor, subString: "KDE", identity: "Konqueror" },
                 { string: navigator.userAgent, subString: "Firefox", identity: "Firefox" },
                 { string: navigator.vendor, subString: "Camino", identity: "Camino" },
                 // for newer Netscapes (6+)
                 { string: navigator.userAgent, subString: "Netscape", identity: "Netscape" },
                 { string: navigator.userAgent, subString: "MSIE", identity: "Explorer",
                   versionSearch: "MSIE" },
                 { string: navigator.userAgent, subString: "Gecko", identity: "Mozilla",
                   versionSearch: "rv" } ,
                 // for older Netscapes (4-)
                 { string: navigator.userAgent, subString: "Mozilla", identity: "Netscape",
                   versionSearch: "Mozilla" }
  ],
  dataOS : [ { string: navigator.platform, subString: "Win", identity: "Windows" },
             { string: navigator.platform, subString: "Mac", identity: "Mac" },
             { string: navigator.userAgent, subString: "iPhone", identity: "iPhone/iPod" },
             { string: navigator.platform, subString: "Linux", identity: "Linux" }
  ]

};

BrowserDetect.init();

function get_appropriate_ws_url()
{
    var pcol;
    var u = document.URL;

    /*
     * We open the websocket encrypted if this page came on an
     * https:// url itself, otherwise unencrypted
     */

    if (u.substring(0, 5) == "https") {
        pcol = "wss://";
        u = u.substr(8);
    } else {
        pcol = "ws://";
        if (u.substring(0, 4) == "http")
            u = u.substr(7);
    }

    u = u.split('/');

    return pcol + u[0];
}

var socket_task;

var board = document.getElementById("board");

if (BrowserDetect.browser == "Firefox") {
    socket_task = new MozWebSocket(get_appropriate_ws_url(), "lws-task-protocol");
} else {
    socket_task = new WebSocket(get_appropriate_ws_url(),  "lws-task-protocol");
}

try {
    socket_task.onopen = function() {
        document.getElementById("wstask_status").style.backgroundColor = "#40ff40";
        document.getElementById("wstask_status").textContent = "TaskProto websocket connection opened ";
    } 

    socket_task.onmessage = function got_packet(msg) {
        document.getElementById("wstask_lastmsg").textContent = msg.data;
        
        var msgs = new Array();
        var idx = 0;
        msgs[idx] = '';
        var c = 0;
        var instring = false;
        for(c = 0; c < msg.data.length; c++) {
            if(msg.data[c] == '"' && c > 0 && msg.data[c - 1] != '\\') instring = !instring;
            if(msg.data[c] == ';' && instring == false) {
                idx++;
                msgs[idx] = '';
            }
            if(msg.data[c] != ';' || instring == true) msgs[idx] += msg.data[c];
        }

        f = 0;
        while (f < msgs.length - 1) {
            var msg = new Array();
            instring = false;
            idx = 0;

            // strip padding and trailing whitespace.
            var msgstr = msgs[f].replace(/^\s+||\s+$/g,'');

            msg[idx] = '';
            for(c = 0; c < msgstr.length; c++) {
                if(msgstr[c] == '"' && c > 0 && msgstr[c - 1] != '\\') {
                    instring = !instring;
                    continue;
                }
                if(msgstr[c] == ' ' && instring == false) {
                    msg[idx] = msg[idx].replace("\\\\","\\").replace("\\\"","\"");
                    idx++;
                    msg[idx] = '';
                }
                if(msgstr[c] != ' ' || instring == true) msg[idx] += msgstr[c];
            }

            var observeid = msg[0];
            var cmd = msg[1];
            var id = msg[2];

            if(cmd == "remove") {
                var task = document.getElementById("task_" + id);
                task.parentNode.removeChild(task);
            }
            else if(cmd == "move") {
	              var parent_id = msg[3];
                var task = document.getElementById("task_" + id);
                if(parent_id != -1) {
                    var parent_task = document.getElementById("task_" + parent_id);
	                  parent_task.appendChild(task);
                }
                else {
                    board.appendChild(task);
                }
            }
            else if(cmd == "create") {
	              var parent_id = msg[3];
                var task = document.createElement("div");

                task.name = "task";
                task.setAttribute("class", "task");
                task.setAttribute("ondrop", "drop(this, event)");
                task.setAttribute("ondragover", "return false");
                task.setAttribute("draggable", true);
                task.setAttribute("ondragstart", "drag(this, event)");

	              task.id = "task_" + id;

                var taskText = document.createTextNode('[' + task.id + ']');
                taskText.id = "txt";
	              task.appendChild(taskText);
	                    	        
                var parent_task = document.getElementById("task_" + parent_id);

	              if(parent_task) {
                    parent_task.appendChild(task);
	              }
	              else {
                    board.appendChild(task);
	              }
            }
            else if(cmd == "update") {
                var title = msg[3];
                var task = document.getElementById("task_" + id);
	              var taskText = document.createTextNode(title);
	              task.appendChild(taskText);
            }
            f++;
        }
    }

    socket_task.onclose = function(){
        document.getElementById("wstask_status").style.backgroundColor = "#ff4040";
        document.getElementById("wstask_status").textContent = "TaskProto websocket connection CLOSED ";
    }
} catch(exception) {
    alert('<p>Error' + exception + '</p>');
}

function task_submit() {
    var data = document.getElementById("input_task_data").value;
    socket_task.send(data);
}

function clear() {
    document.getElementById("input_data").value = "";
}

function deleteTask(id) {
    socket_task.send("del " + id + ";");
}

function drag(target, e) {
    e.target.style.opacity = '0.4';
    e.dataTransfer.setData('Text', target.id);
    e.stopPropagation(); // <--- this fixes the drag target problem
}

function drop(target, e) {
    e.preventDefault();
    e.stopPropagation();

    var id = e.dataTransfer.getData('Text');
    var task = document.getElementById(id);
    socket_task.send("move " + id.substring(5, id.length) + " " + target.id.substring(5, target.id.length) + ";");
}