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/* -*- 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) + ";");
}
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