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/**
* Pop-Up to select a machine
*
* AUTHOR: Christian Klinger
* */
/* Map: uuid -> obj */
var machineCache = {};
var selectMachinInitialized = false;
var placedMachines = [];
var $modal, $selectizeSearch, $selectizeSubnet;
var currentCallback = false;
function makeCombinedFieldSingle(item)
{
item.combined = (item.machineuuid + " " + item.hostname + " " + item.clientip + " " + item.macaddr + " " + item.macaddr.replace(/-/g, ':')).toLocaleLowerCase();
item.sortField = (item.fixedlocationid === null ? 'a' : 'z') + item.hostname;
}
function makeCombinedField(machineArray)
{
machineArray.forEach(function (v,i,a){
makeCombinedFieldSingle(machineArray[i]);
});
return machineArray;
}
function renderMachineEntry(item, escape) {
machineCache[item.machineuuid] = item;
// console.log('rendering ' + item.machineuuid);
// console.log('used uuids is ');
// console.log(placedMachines);
var extraClass = '';
var extraText = '';
if (item.otherroom) {
extraText = ' (in ' + item.otherroom + ')';
extraClass = 'used';
} else if (item.fixedlocationid !== null) {
extraText = ' (already placed)';
extraClass = 'used';
}
return '<div class="machine-entry ' + extraClass +'">'
//+ ' <div class="machine-logo"><i class="glyphicon glyphicon-hdd"></i></div>'
+ ' <div class="machine-body">'
+ ' <div class="machine-entry-header"> ' + escape(item.hostname) + extraText + '</div>'
+ ' <table>'
+ '<tr><td>IP: </td> <td>' + escape(item.clientip) + '</td></tr>'
+ '<tr><td>MAC: </td> <td>' + escape(item.macaddr) + '</td></tr>'
+ '<tr><td>UUID:</td> <td>' + escape(item.machineuuid) + '</td></tr>'
+ ' </table>'
+ ' </div>'
+ '</div>';
}
function renderMachineSelected(item, escape) {
return '<div>' + escape(item.hostname) + '</div>';
}
var queryCache = {};
function filterCache(key, query) {
return queryCache[key].filter(function (el) {
return -1 !== el.combined.indexOf(query);
});
}
function loadMachines(query, callback) {
console.log('queryMachines(' + query + ')');
if (query.length < 2) {
callback();
return;
}
query = query.toLocaleLowerCase();
// See if we have a previous query in our cache that is a superset for this one
for (var k in queryCache) {
if (query.indexOf(k) !== -1) {
callback(filterCache(k, query));
return;
}
}
$.ajax({
url: '?do=roomplanner&action=getmachines&query=' + encodeURIComponent(query) + '&locationid=' + locationId,
type: 'GET',
dataType: 'json',
error: function() {
console.log('error while doing ajax call');
callback();
},
success: function(json) {
console.log('success ajax call');
var machines = makeCombinedField(json.machines);
// Server cuts off at 100, so only cache if it contains less entries, as
// the new, more specific query could return previously removed results.
if (machines.length < 100) {
queryCache[query] = machines;
}
callback(machines);
}
});
}
function clearSearchBox() {
$selectizeSearch[0].selectize.setValue([], true);
$selectizeSearch[0].selectize.clearCache();
}
function clearSubnetBox() {
$selectizeSubnet[0].selectize.setValue([], true);
$selectizeSubnet[0].selectize.clearCache();
}
function initSelectize() {
if(!selectMachinInitialized) {
console.log("initializing selectize");
/* init modal */
$modal = $('#selectMachineModal');
// Firefox workaround - don't close the modal when selecting an item from the dropdown
// A proper fix for the underlying cause would be much appreciated
var selectTime = 0;
var ch = function() {
selectTime = Date.now();
};
$modal.on('hide.bs.modal', function(e) {
if (Date.now() - selectTime < 400) {
e.preventDefault();
}
});
/* for the search */
$selectizeSearch = $('#machineSearchBox').selectize({
plugins : ["remove_button"],
valueField: 'machineuuid',
searchField: "combined",
openOnFocus: false,
create: false,
render : { option : renderMachineEntry, item: renderMachineSelected},
load: loadMachines,
maxItems: 1,
sortField: 'sortField',
sortDirection: 'asc',
onDropdownClose: ch,
onChange: clearSubnetBox
});
/* for the subnet box */
$selectizeSubnet = $('#subnetBox').selectize({
options: subnetMachines,
plugins : ["remove_button"],
valueField: 'machineuuid',
searchField: "combined",
openOnFocus: true,
create: false,
render : { option : renderMachineEntry, item: renderMachineSelected},
maxItems: 1,
sortField: 'sortField',
sortDirection: 'asc',
onDropdownClose: ch,
onChange: clearSearchBox
});
$('#selectMachineButton').on('click', onBtnSelect);
selectMachinInitialized = true;
}
}
function onBtnSelect() {
/* check which one has a value */
console.assert($selectizeSubnet.length === 1);
console.assert($selectizeSearch.length === 1);
var bySubnet = machineCache[$selectizeSubnet[0].selectize.getValue()];
var bySearch = machineCache[$selectizeSearch[0].selectize.getValue()];
var value = !bySubnet ? bySearch : bySubnet;
value.fixedlocationid = -1;
makeCombinedFieldSingle(value);
var result = {muuid: value.machineuuid, ip: value.clientip, mac_address : value.macaddr, hostname: value.hostname};
currentCallback(result);
currentCallback = null;
$modal.modal('hide');
clearSubnetBox();
clearSearchBox();
}
function onPcDelete(muuid) {
var value = machineCache[muuid];
if (!value) {
subnetMachines.forEach(function (v, i, a) {
if (subnetMachines[i] && subnetMachines[i].machineuuid === muuid) {
value = subnetMachines[i];
}
});
if (!value) return;
}
value.fixedlocationid = null;
makeCombinedFieldSingle(value);
}
/* to be called from berryous' code */
function selectMachine(usedUuids, callback) {
initSelectize();
currentCallback = callback;
placedMachines = usedUuids;
$modal.modal('show');
$modal.one('hidden.bs.modal', function () {
if (currentCallback) {
currentCallback(false);
}
});
}
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