openlp/openlp/plugins/remotes/html/openlp.js

240 lines
8.2 KiB
JavaScript

/*****************************************************************************
* OpenLP - Open Source Lyrics Projection *
* ------------------------------------------------------------------------- *
* Copyright (c) 2008-2010 Raoul Snyman *
* Portions copyright (c) 2008-2010 Tim Bentley, Jonathan Corwin, Michael *
* Gorven, Scott Guerrieri, Christian Richter, Maikel Stuivenberg, Martin *
* Thompson, Jon Tibble, Carsten Tinggaard *
* ------------------------------------------------------------------------- *
* This program is free software; you can redistribute it and/or modify it *
* under the terms of the GNU General Public License as published by the *
* Free Software Foundation; version 2 of the License. *
* *
* This program is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General *
* Public License for more details. *
* *
* You should have received a copy of the GNU General Public License along *
* with this program; if not, write to the Free Software Foundation, Inc., *
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
*****************************************************************************/
window["OpenLP"] = {
Namespace: {
/**
* Create a Javascript namespace.
* Based on: http://code.google.com/p/namespacedotjs/
* Idea behind this is to created nested namespaces that are not ugly.
*/
create: function (name, attributes) {
var parts = name.split('.'),
ns = window,
i = 0;
// find the deepest part of the namespace
// that is already defined
for(; i < parts.length && parts[i] in ns; i++)
ns = ns[parts[i]];
// initialize any remaining parts of the namespace
for(; i < parts.length; i++)
ns = ns[parts[i]] = {};
// copy the attributes into the namespace
for (var attr in attributes)
ns[attr] = attributes[attr];
},
exists: function (namespace) {
/**
* Determine the namespace of a page
*/
page_namespace = $ScribeEngine.Namespace.get_page_namespace();
return (namespace == page_namespace);
},
get_page_namespace: function () {
return $("#content > h2").attr("id");
}
}
};
Array.prototype.append = function (elem) {
this[this.length] = elem;
}
OpenLP.Namespace.create("OpenLP.Events", {
// Local variables
onload_functions: Array(),
// Functions
bindLoad: function (func) {
this.onload_functions.append(func);
},
bindClick: function (selector, func) {
$(selector).bind("click", func);
},
bindChange: function (selector, func) {
$(selector).bind("change", func);
},
bindSubmit: function (selector, func) {
$(selector).bind("submit", func);
},
bindBlur: function (selector, func) {
$(selector).bind("blur", func);
},
bindPaste: function (selector, func) {
$(selector).bind("paste", func);
},
bindKeyUp: function (selector, func) {
$(selector).bind("keyup", func);
},
bindKeyDown: function (selector, func) {
$(selector).bind("keydown", func);
},
bindKeyPress: function (selector, func) {
$(selector).bind("keypress", func);
},
bindMouseEnter: function (selector, func) {
$(selector).bind("mouseenter", func);
},
bindMouseLeave: function (selector, func) {
$(selector).bind("mouseleave", func);
},
liveClick: function (selector, func) {
$(selector).live("click", func);
},
getElement: function(event) {
var targ;
if (!event) {
var event = window.event;
}
if (event.target) {
targ = event.target;
}
else if (event.srcElement) {
targ = event.srcElement;
}
if (targ.nodeType == 3) {
// defeat Safari bug
targ = targ.parentNode;
}
return $(targ);
},
init: function () {
for (idx in this.onload_functions) {
func = this.onload_functions[idx];
func();
}
}
});
OpenLP.Namespace.create("OpenLP.Remote", {
sendEvent: function (eventName, eventData)
{
var url = "/";
if (eventName.substr(-8) == "_request")
{
url += "request";
}
else
{
url += "send";
}
url += "/" + eventName;
var args = {};
if (eventData != null && eventData != "")
{
args.q = escape(eventData);
}
$.ajax({
url: url,
dataType: "json",
data: args,
success: function (data)
{
OpenLP.Remote.handleEvent(eventName, data);
},
error: function (xhr, textStatus, errorThrown)
{
if (eventName == "remotes_poll_request")
{
OpenLP.Remote.handleEvent("remotes_poll_request");
}
}
});
},
handleEvent: function (eventName, eventData)
{
switch (eventName)
{
case "servicemanager_list_request":
var table = $("<table>");
$.each(eventData, function (row, item) {
var trow = $("<tr>")
.attr("value", parseInt(row))
.click(OpenLP.Remote.sendSetItem);
if (item["selected"])
{
trow.addClass("selected");
}
trow.append($("<td>").text(parseInt(row) + 1));
trow.append($("<td>").text(item["title"]));
trow.append($("<td>").text(item["plugin"]));
trow.append($("<td>").text("Notes: " + item["notes"]));
table.append(trow);
});
$("#service").html(table);
break;
case "slidecontroller_live_text_request":
var table = $("<table>");
$.each(eventData, function (row, item) {
var trow = $("<tr>")
.attr("value", parseInt(row))
.click(OpenLP.Remote.sendLiveSet);
if (item["selected"])
{
trow.addClass("selected");
}
trow.append($("<td>").text(item["tag"]));
trow.append($("<td>").html(item["text"] ? item["text"].replace(/\\n/g, "<br />") : ""));
table.append(trow);
});
$("#current-item").html(table);
break;
case "remotes_poll_request":
OpenLP.Remote.sendEvent("remotes_poll_request");
OpenLP.Remote.sendEvent("servicemanager_list_request");
OpenLP.Remote.sendEvent("slidecontroller_live_text_request");
break;
}
},
sendLiveSet: function (e)
{
var id = OpenLP.Events.getElement(e).parent().attr("value");
OpenLP.Remote.sendEvent("slidecontroller_live_set", id);
return false;
},
sendSetItem: function (e)
{
var id = OpenLP.Events.getElement(e).parent().attr("value");
OpenLP.Remote.sendEvent("servicemanager_set_item", id);
return false;
},
sendAlert: function (e)
{
var alert_text = $("#alert-text").val();
OpenLP.Remote.sendEvent("alerts_text", alert_text);
return false;
},
buttonClick: function (e)
{
var id = OpenLP.Events.getElement(e).attr("id");
OpenLP.Remote.sendEvent(id);
return false;
}
});
OpenLP.Events.bindLoad(function () {
OpenLP.Events.bindClick("input[type=button][id!=alert-send]", OpenLP.Remote.buttonClick);
OpenLP.Events.bindClick("#alert-send", OpenLP.Remote.sendAlert);
OpenLP.Remote.sendEvent("servicemanager_list_request");
OpenLP.Remote.sendEvent("slidecontroller_live_text_request");
OpenLP.Remote.sendEvent("remotes_poll_request");
});