vzlogger/htdocs/frontend/javascripts/wui.js

601 lines
16 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/>.
*/
/**
* Initialize the WUI (Web User Interface)
*/
vz.wui.init = function() {
vz.wui.timeout = null;
// initialize dropdown accordion
$('#accordion h3').click(function() {
$(this).next().toggle('fast');
return false;
}).next().hide();
$('#entity-list').show(); // open entity list by default
// buttons
$('button, input[type=button],[type=image]').button();
$('button[name=options-save]').click(vz.options.save);
$('#permalink').click(function() {
var uuids = [];
var url = window.location.protocol + '//' +
window.location.host +
window.location.pathname +
'?from=' + vz.options.plot.xaxis.min +
'&to=' + vz.options.plot.xaxis.max;
vz.entities.each(function(entity, parent) {
if (entity.active && entity.definition.model == 'Volkszaehler\\Model\\Channel') {
uuids.push(entity.uuid);
}
});
uuids.unique().each(function(key, value) {
url += '&uuid=' + value;
});
window.location = url;
});
$('button[name=entity-add]').click(this.dialogs.init);
// bind plot actions
$('#controls button').click(this.handleControls);
$('#controls').buttonset();
// tuple resolution
vz.options.tuples = Math.round($('#flot').width() / 4);
$('#tuples').val(vz.options.tuples).change(function() {
vz.options.tuples = $(this).val();
vz.entities.loadData().done(vz.wui.drawPlot);
});
// middleware address
$('#middleware-url')
.val(vz.options.middlewareUrl)
.change(function() {
vz.options.middlewareUrl = $(this).val();
});
// auto refresh
if (vz.options.refresh) {
$('#refresh').attr('checked', true);
vz.wui.setTimeout();
}
$('#refresh').change(function() {
vz.options.refresh = $(this).attr('checked');
if (vz.options.refresh) {
vz.wui.setTimeout();
} else {
vz.wui.clearTimeout();
}
});
// plot rendering
$('#render-lines').attr('checked', (vz.options.render == 'lines'));
$('#render-points').attr('checked', (vz.options.render == 'points'));
$('input[name=render][type=radio]').change(function() {
if ($(this).attr('checked')) {
vz.options.render = $(this).val();
vz.wui.drawPlot();
}
});
};
/**
* Initialize dialogs
*/
vz.wui.dialogs.init = function() {
// initialize dialogs
$('#entity-add.dialog').dialog({
title: 'Kanal hinzuf&uuml;gen',
width: 530,
resizable: false
});
$('#entity-add.dialog > div').tabs();
// load public entities
vz.load({
controller: 'entity',
success: function(json) {
if (json.entities.length > 0) {
json.entities.each(function(index, entity) {
$('#entity-subscribe-public select#public').append(
$('<option>').text(entity.title).data('entity', entity)
);
});
}
}
});
// show available entity types
vz.capabilities.definitions.entities.each(function(index, def) {
$('#entity-create select#type').append(
$('<option>').text(def.translation[vz.options.language]).data('definition', def)
);
});
/*$('#entity-create select#type option:selected').data('definition').required.each(function(index, property) {
$('#entity-create #properties').append(
vz.capabilities.definitions.get('properties', property).getDOM()
)
});*/
// actions
$('#entity-subscribe input[type=button]').click(function() {
try {
var uuid = $('#entity-subscribe input#uuid');
vz.uuids.add(uuid.val());
if ($('#entity-subscribe input.cookie').attr('checked')) {
vz.uuids.save();
}
vz.entities.loadDetails().done(function() {
vz.entities.showTable();
vz.entities.loadData().done(vz.wui.drawPlot);
}); // reload entity details and load data
}
catch (e) {
vz.wui.dialogs.exception(e);
}
finally {
$('#entity-add').dialog('close');
$('#entity-add input[type!=button]').val(''); // reset form
$('#entity-add input.cookie').attr('checked', false); // reset form
}
});
$('#entity-subscribe-public input[type=button]').click(function() {
var entity = $('#entity-subscribe-public select#public option:selected').data('entity');
try {
vz.uuids.add(entity.uuid);
if ($('#entity-subscribe-public input.cookie').attr('checked')) {
vz.uuids.save();
}
vz.entities.loadDetails().done(function() {
vz.entities.showTable();
vz.entities.loadData().done(vz.wui.drawPlot);
}); // reload entity details and load data
}
catch (e) {
vz.wui.dialogs.exception(e);
}
finally {
$('#entity-add').dialog('close');
$('#entity-add input[type!=button]').val(''); // reset form
$('#entity-add input.cookie').attr('checked', false); // reset form
}
});
/*$('#entity-create input[type=button]').click(function() {
});*/
// update event handler
$('button[name=entity-add]').unbind('click', this.init);
$('button[name=entity-add]').click(function() {
$('#entity-add.dialog').dialog('open');
});
};
/**
* Bind events to handle plot zooming & panning
*/
vz.wui.initEvents = function() {
$('#plot')
.bind("plotselected", function (event, ranges) {
vz.options.plot.xaxis.min = ranges.xaxis.from;
vz.options.plot.xaxis.max = ranges.xaxis.to;
vz.options.plot.yaxis.max = null; // autoscaling
vz.options.plot.yaxis.min = 0; // fixed to 0
vz.entities.loadData().done(vz.wui.drawPlot);
})
/*.bind('plotpan', function (event, plot) {
var axes = plot.getAxes();
vz.options.plot.xaxis.min = axes.xaxis.min;
vz.options.plot.xaxis.max = axes.xaxis.max;
vz.options.plot.yaxis.min = axes.yaxis.min;
vz.options.plot.yaxis.max = axes.yaxis.max;
})
.bind('mouseup', function(event) {
vz.entities.loadData().done(vz.wui.drawPlot);
})*/
.bind('plotzoom', function (event, plot) {
var axes = plot.getAxes();
vz.options.plot.xaxis.min = axes.xaxis.min;
vz.options.plot.xaxis.max = axes.xaxis.max;
vz.options.plot.yaxis.min = axes.yaxis.min;
vz.options.plot.yaxis.max = axes.yaxis.max;
vz.entities.loadData().done(vz.wui.drawPlot);
});
};
/**
* Refresh plot with new data
*/
vz.wui.refresh = function() {
var delta = vz.options.plot.xaxis.max - vz.options.plot.xaxis.min;
vz.options.plot.xaxis.max = new Date().getTime(); // move plot
vz.options.plot.xaxis.min = vz.options.plot.xaxis.max - delta; // move plot
vz.entities.loadData().done(function() {
vz.wui.drawPlot();
});
};
/**
* refresh graphs after timeout ms, with a minimum f vz.options.minTimeout ms
*/
vz.wui.setTimeout = function() {
// clear an already set timeout
if (vz.wui.timeout != null) {
window.clearTimeout(vz.wui.timeout);
vz.wui.timeout = null;
}
// don't refresh if the end of the x axis is not the current time, i.e. we are looking at some old data
// we allow an offset of 1s, because loading data takes some time. this also means that if it takes more than 1s,
// we will not automatically refresh. this is a feature!
if (vz.options.plot.xaxis.max < Number(new Date()) - 1000) {
$('#refresh-time').html('(deactivated)');
return;
}
var t = Math.max((vz.options.plot.xaxis.max - vz.options.plot.xaxis.min)/vz.options.tuples, vz.options.minTimeout);
$('#refresh-time').html(Math.round(t/1000)+"s");
vz.wui.timeout = window.setTimeout(this.refresh, t);
}
/**
* stop auto-refresh of graphs
*/
vz.wui.clearTimeout = function() {
$('#refresh-time').html('');
var rc = window.clearTimeout(vz.wui.timeout);
vz.wui.timeout = null;
return rc;
}
/**
* Move & zoom in the plotting area
*/
vz.wui.handleControls = function () {
var delta = vz.options.plot.xaxis.max - vz.options.plot.xaxis.min;
var middle = vz.options.plot.xaxis.min + delta/2;
switch($(this).val()) {
case 'move-last':
vz.options.plot.xaxis.max = new Date().getTime();
vz.options.plot.xaxis.min = new Date().getTime() - delta;
break;
case 'move-back':
vz.options.plot.xaxis.min -= delta;
vz.options.plot.xaxis.max -= delta;
break;
case 'move-forward':
vz.options.plot.xaxis.min += delta;
vz.options.plot.xaxis.max += delta;
break;
case 'zoom-reset':
vz.options.plot.xaxis.min = middle - vz.options.defaultInterval/2;
vz.options.plot.xaxis.max = middle + vz.options.defaultInterval/2;
break;
case 'zoom-in':
vz.options.plot.xaxis.min += delta/4;
vz.options.plot.xaxis.max -= delta/4;
break;
case 'zoom-out':
vz.options.plot.xaxis.min -= delta;
vz.options.plot.xaxis.max += delta;
break;
case 'zoom-hour':
hour = 60*60*1000;
vz.options.plot.xaxis.min = middle - hour/2;
vz.options.plot.xaxis.max = middle + hour/2;
break;
case 'zoom-day':
var day = 24*60*60*1000;
vz.options.plot.xaxis.min = middle - day/2;
vz.options.plot.xaxis.max = middle + day/2;
break;
case 'zoom-week':
var week = 7*24*60*60*1000;
vz.options.plot.xaxis.min = middle - week/2;
vz.options.plot.xaxis.max = middle + week/2;
break;
case 'zoom-month':
var month = 30*24*60*60*1000;
vz.options.plot.xaxis.min = middle - month/2;
vz.options.plot.xaxis.max = middle + month/2;
break;
case 'zoom-year':
var year = 365*24*60*60*1000;
vz.options.plot.xaxis.min = middle - year/2;
vz.options.plot.xaxis.max = middle + year/2;
break;
}
// reenable autoscaling for yaxis
vz.options.plot.yaxis.max = null; // autoscaling
vz.options.plot.yaxis.min = 0; // fixed to 0
// we dont want to zoom/pan into the future
if (vz.options.plot.xaxis.max > new Date().getTime()) {
delta = vz.options.plot.xaxis.max - vz.options.plot.xaxis.min;
vz.options.plot.xaxis.max = new Date().getTime();
vz.options.plot.xaxis.min = new Date().getTime() - delta;
}
vz.entities.loadData().done(vz.wui.drawPlot);
};
/**
* Rounding precision
*
* Math.round rounds to whole numbers
* to round to one decimal (e.g. 15.2) we multiply by 10,
* round and reverse the multiplication again
* therefore "vz.options.precision" needs
* to be set to 1 (for 1 decimal) in that case
*/
vz.wui.formatNumber = function(number) {
return Math.round(number*Math.pow(10, vz.options.precision))/Math.pow(10, vz.options.precision);
}
vz.wui.updateHeadline = function() {
var from = $.plot.formatDate(new Date(vz.options.plot.xaxis.min + vz.options.timezoneOffset), '%d. %b %h:%M:%S', vz.options.plot.xaxis.monthNames);
var to = $.plot.formatDate(new Date(vz.options.plot.xaxis.max + vz.options.timezoneOffset), '%d. %b %h:%M:%S', vz.options.plot.xaxis.monthNames);
$('#title').text(from + ' - ' + to);
}
/**
* Overwritten each iterator to iterate recursively throug all entities
*/
vz.entities.each = function(cb) {
for (var i = 0; i < this.length; i++) {
this[i].each(cb);
}
}
/**
* Get all entity information from middleware
*/
vz.entities.loadDetails = function() {
this.clear();
var queue = new Array;
vz.uuids.each(function(index, uuid) {
queue.push(vz.load({
controller: 'entity',
identifier: uuid,
success: function(json) {
vz.entities.push(new Entity(json.entity));
}
}));
});
return $.when.apply($, queue);
};
/**
* Create nested entity list
*
* @todo move to Entity class
*/
vz.entities.showTable = function() {
$('#entity-list tbody').empty();
vz.entities.sort(Entity.compare);
var c = 0; // for colors
vz.entities.each(function(entity, parent) {
entity.color = vz.options.plot.colors[c++ % vz.options.plot.colors.length];
$('#entity-list tbody').append(entity.getRow());
});
/*
* Initialize treeTable
*
* http://ludo.cubicphuse.nl/jquery-plugins/treeTable/doc/index.html
* https://github.com/ludo/jquery-plugins/tree/master/treeTable
*/
// configure entities as draggable
$('#entity-list tr.channel span.indicator, #entity-list tr.aggregator span.indicator').draggable({
helper: 'clone',
opacity: .75,
refreshPositions: true, // Performance?
revert: 'invalid',
revertDuration: 300,
scroll: true
});
// configure aggregators as droppable
$('#entity-list tr.aggregator span.indicator').each(function() {
$(this).parents('tr').droppable({
//accept: 'tr.channel span.indicator, tr.aggregator span.indicator', // TODO
drop: function(event, ui) {
var child = $(ui.draggable.parents('tr')[0]).data('entity');
var from = child.parent;
var to = $(this).data('entity');
$('#entity-move').dialog({ // confirm prompt
resizable: false,
modal: true,
title: 'Verschieben',
width: 400,
buttons: {
'Verschieben': function() {
try {
var queue = new Array;
queue.push(to.addChild(child)); // add to new aggregator
if (from !== undefined) {
queue.push(from.removeChild(child)); // remove from aggregator
}
else {
vz.uuids.remove(child.uuid); // remove from cookies
vz.uuids.save();
}
} catch (e) {
vz.wui.dialogs.exception(e);
} finally {
$.when(queue).done(function() {
// wait for middleware
vz.entities.loadDetails().done(vz.entities.showTable);
});
$(this).dialog('close');
}
},
'Abbrechen': function() {
$(this).dialog('close');
}
}
});
},
hoverClass: 'accept',
over: function(event, ui) {
// make the droppable branch expand when a draggable node is moved over it
if (this.id != $(ui.draggable.parents('tr')[0]).id && !$(this).hasClass('expanded')) {
$(this).expand();
}
}
});
});
// make visible that a row is clicked
$('#entity-list table tbody tr').mousedown(function() {
$('tr.selected').removeClass('selected'); // deselect currently selected rows
$(this).addClass('selected');
});
// make sure row is selected when span is clicked
$('#entity-list table tbody tr span').mousedown(function() {
$($(this).parents('tr')[0]).trigger('mousedown');
});
$('#entity-list table').treeTable({
treeColumn: 2,
clickableNodeNames: true,
initialState: 'expanded'
});
};
/**
* Load json data from the middleware
*
* @todo move to Entity class
*/
vz.entities.loadData = function() {
$('#overlay').html('<img src="images/loading.gif" alt="loading..." /><p>loading...</p>');
var queue = new Array;
vz.entities.each(function(entity) {
if (entity.active && entity.definition.model == 'Volkszaehler\\Model\\Channel') {
queue.push(entity.loadData());
}
});
return $.when.apply($, queue);
};
/**
* Draws plot to container
*/
vz.wui.drawPlot = function () {
vz.wui.updateHeadline();
var series = new Array;
vz.entities.each(function(entity) {
if (entity.active && entity.data && entity.data.tuples && entity.data.tuples.length > 0) {
var serie = {
data: entity.data.tuples,
color: entity.color,
lines: {
show: (vz.options.render == 'lines'),
steps: (entity.definition.interpreter == 'Volkszaehler\\Interpreter\\MeterInterpreter')
},
points: { show: (vz.options.render == 'points') }
};
series.push(serie);
}
});
if (series.length == 0) {
$('#overlay').html('<img src="images/empty.png" alt="no data..." /><p>nothing to plot...</p>');
series.push({}); // add empty dataset to show axes
}
else {
$('#overlay').empty();
}
vz.plot = $.plot($('#flot'), series, vz.options.plot);
if (vz.options.refresh) {
vz.wui.setTimeout();
}
};
/*
* Error & Exception handling
*/
var Exception = function(type, message, code) {
return {
type: type,
message: message,
code: code
};
}
vz.wui.dialogs.error = function(error, description, code) {
if (code !== undefined) {
error = code + ': ' + error;
}
$('<div>')
.append($('<span>').text(description))
.dialog({
title: error,
width: 450,
dialogClass: 'ui-error',
resizable: false,
modal: true,
buttons: {
Ok: function() {
$(this).dialog('close');
}
}
});
};
vz.wui.dialogs.exception = function(exception) {
this.error(exception.type, exception.message, exception.code);
};