vzlogger/frontend/javascripts/functions.js
Steffen Vogel 56928bb916 i'm loving js (sry there's no better comment for this commit ;)
removed obsolete jstree
several smaller changes
2010-10-03 20:13:05 +02:00

380 lines
8.1 KiB
JavaScript

/**
* Javascript functions for the frontend
*
* @author Florian Ziegler <fz@f10-home.de>
* @author Justin Otherguy <justin@justinotherguy.org>
* @author Steffen Vogel <info@steffenvogel.de>
* @copyright Copyright (c) 2010, The volkszaehler.org project
* @package default
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*/
/*
* This file is part of volkzaehler.org
*
* volkzaehler.org 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, either version 3 of the License, or any later version.
*
* volkzaehler.org 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
* volkszaehler.org. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* Frontend related functions
*/
/**
* Initialize the WUI (Web User Interface)
*/
function initInterface() {
$('#accordion h3').click(function() {
$(this).next().toggle('fast');
return false;
}).next().hide();
$('button').button();
$('button[name=addUUID]').click(function() {
$('#addUUID').dialog({
title: 'UUID hinzufügen',
width: 400
});
});
$('button[name=newEntity]').click(function() {
$('#newEntity').dialog({
title: 'Entity erstellen',
width: 400
});
});
// bind controls
$('#move input').click(panPlot);
// options
$('input[name=trendline]').attr('checked', vz.options.plot.seriesDefaults.trendline.show).change(function() {
vz.options.plot.seriesDefaults.trendline.show = $(this).attr('checked');
drawPlot();
});
$('input[name=backendUrl]').val(vz.options.backendUrl).change(function() {
vz.options.backendUrl = $(this).val();
});
$('#tuples input').val(vz.options.tuples).change(function() {
vz.options.tuples = $(this).val();
});
$('#tuples .slider').slider({
min: 1,
max: 1000,
step: 10
});
$('#refresh .slider').slider({
min: 500,
max: 60000,
step: 500
});
}
/**
* Refresh plot with new data
*/
function refreshWindow() {
if ($('input[name=refresh]').attr('checked')) {
loadData();
}
}
/**
* Move & zoom in the plotting area
*/
function panPlot() {
delta = vz.to - vz.from;
switch(this.value) {
case 'move_last':
vz.to = (new Date()).getTime();
vz.from = vz.to - delta;
break;
case 'move_back':
vz.from -= delta;
vz.to -= delta;
break;
case 'move_forward':
vz.from += delta;
vz.to += delta;
break;
case 'zoom_reset':
// TODO
break;
case 'zoom_in':
// TODO
break;
case 'zoom_out':
// TODO
break;
case 'refresh':
// do nothing; just loadData()
}
loadData();
}
/**
* Load json data with given time window
*/
function loadData() {
eachRecursive(vz.entities, function(entity, parent) {
if (entity.active && entity.type != 'group') {
$.getJSON(vz.options.backendUrl + '/data/' + entity.uuid + '.json', { from: vz.from, to: vz.to, tuples: vz.options.tuples }, ajaxWait(function(json) {
entity.data = json.data[0]; // TODO filter for correct uuid
}, drawPlot, 'data'));
}
});
}
function drawPlot() {
//vz.plot.axes.xaxis.min = vz.from;
//vz.plot.axes.xaxis.min = vz.to;
var i = 0;
eachRecursive(vz.entities, function(entity, parent) {
vz.plot.series[i++].data = entity.data.tuples;
});
vz.plot.replot({
resetAxes: true
});
}
/*
* Entity list related functions
*/
/**
* Get all entity information from backend
*/
function loadEntities() {
$.each(vz.uuids, function(index, value) {
$.getJSON(vz.options.backendUrl + '/entity/' + value + '.json', ajaxWait(function(json) {
vz.entities.push(json.entity);
}, showEntities, 'information'));
});
}
/**
* Create nested entity list
* @param data
*/
function showEntities() {
$('#entities tbody').empty();
var i = 0;
eachRecursive(vz.entities, function(entity, parent) {
entity.active = true; // TODO active by default or via backend property?
entity.color = vz.options.plot.seriesColors[i++ % vz.options.plot.seriesColors.length];
$('#entities tbody').append(
$('<tr>')
.addClass((parent) ? 'child-of-entity-' + parent.uuid : '')
.attr('id', 'entity-' + entity.uuid)
.append($('<td>')
.css('background-color', entity.color)
.css('width', 19)
.append($('<input>')
.attr('type', 'checkbox')
.attr('checked', entity.active)
.bind('change', entity, function(event) {
event.data.active = $(this).attr('checked');
loadData();
})
)
)
.append($('<td>')
.css('width', 20)
)
.append($('<td>')
.append($('<span>')
.text(entity.title)
.addClass('indicator')
.addClass((entity.type == 'group') ? 'group' : 'channel')
)
)
.append($('<td>').text(entity.type))
.append($('<td>')) // min
.append($('<td>')) // max
.append($('<td>')) // avg
.append($('<td>') // operations
.css('text-align', 'right')
.append($('<input>')
.attr('type', 'image')
.attr('src', 'images/information.png')
.attr('alt', 'details')
.bind('click', entity, function(event) { showEntityDetails(event.data); })
)
.append($('<input>')
.attr('type', 'image')
.attr('src', 'images/delete.png')
.attr('alt', 'delete')
.bind('click', entity, function(event) { removeUUID(event.data.uuid); })
)
)
);
});
// http://ludo.cubicphuse.nl/jquery-plugins/treeTable/doc/index.html
$('#entities table').treeTable({
treeColumn: 2,
clickableNodeNames: true
});
// load data and show plot
loadData();
}
/**
* Show and edit entity details
* @param entity
*/
function showEntityDetails(entity) {
var properties = $('<table>');
$.each(entity, function(key, value) {
properties.append($('<tr>')
.append($('<td>')
.addClass('key')
.text(key)
)
.append($('<td>')
.addClass('value')
.text(value)
)
);
});
$('<div>')
.addClass('details')
.append(properties)
.dialog({
title: 'Entity Details',
width: 450
});
}
/*
* Cookie & UUID related functions
*/
function getUUIDs() {
if ($.getCookie('uuids')) {
return JSON.parse($.getCookie('uuids'));
}
else {
return new Array();
}
}
function addUUID(uuid) {
if (!vz.uuids.contains(uuid)) {
vz.uuids.push(uuid);
$.setCookie('uuids', JSON.stringify(vz.uuids));
}
}
function removeUUID(uuid) {
if (uuids.contains(uuid)) {
uuids.filter(function(value) {
return value != uuid;
});
$.setCookie('uuids', JSON.stringify(uuids));
}
}
/*
* General helper functions
*/
function ajaxWait(callback, finished, identifier) {
if (!ajaxWait.counter) { ajaxWait.counter = new Array(); }
if (!ajaxWait.counter[identifier]) { ajaxWait.counter[identifier] = 0; }
ajaxWait.counter[identifier]++;
return function (data, textStatus) {
callback(data, textStatus);
if (!--ajaxWait.counter[identifier]) {
finished();
}
};
}
function eachRecursive(array, callback, parent) {
$.each(array, function(index, value) {
callback(value, parent);
if (value.children) { // has children?
eachRecursive(value.children, callback, value); // call recursive
}
});
}
/**
* Checks if value of part of the array
*
* @param needle the value to search for
* @return boolean
*/
Array.prototype.contains = function(needle) {
return this.key(needle) ? true : false;
};
/**
* Calculates the diffrence between this and another Array
*
* @param compare the Array to compare with
* @return array
*/
Array.prototype.diff = function(compare) {
return this.filter(function(elem) {
return !compare.contains(elem);
});
};
/**
* Find the key to an given value
*
* @param needle the value to search for
* @return integer
*/
Array.prototype.key = function(needle) {
for (var i=0; i<this.length; i++) {
if (this[i] == needle) {
return i;
}
}
};
/**
* Remove a value from the array
*/
Array.prototype.remove = function(needle) {
var key = this.key(needle);
if (key) {
this.splice(key, 1);
}
};