zoneminder/web/skins/classic/views/js/zone.js

698 lines
25 KiB
JavaScript

var requestQueue = new Request.Queue({
concurrent: monitorData.length,
stopOnFailure: false
});
function validateForm( form ) {
var errors = new Array();
if ( selfIntersecting ) {
errors[errors.length] = selfIntersectingString;
}
if ( form.elements['newZone[Type]'].value != 'Inactive' && form.elements['newZone[Type]'].value != 'Privacy' ) {
if ( !form.newAlarmRgbR.value || !form.newAlarmRgbG.value || !form.newAlarmRgbB.value ) {
errors[errors.length] = alarmRGBUnsetString;
}
form.elements['newZone[AlarmRGB]'].value = (form.newAlarmRgbR.value<<16)|(form.newAlarmRgbG.value<<8)|form.newAlarmRgbB.value;
if ( !form.elements['newZone[MinPixelThreshold]'].value || (parseInt(form.elements['newZone[MinPixelThreshold]'].value) <= 0 ) ) {
errors[errors.length] = minPixelThresUnsetString;
} else if ( (parseInt(form.elements['newZone[MinPixelThreshold]'].value) >= parseInt(form.elements['newZone[MaxPixelThreshold]'].value)) && (parseInt(form.elements['newZone[MaxPixelThreshold]'].value) > 0) ) {
errors[errors.length] = minPixelThresLtMaxString;
}
if ( form.elements['newZone[CheckMethod]'].value == 'FilteredPixels' || form.elements['newZone[CheckMethod]'].value == 'Blobs' ) {
if ( !form.elements['newZone[FilterX]'].value || !form.elements['newZone[FilterY]'].value ) {
errors[errors.length] = filterUnsetString;
}
}
if ( !form.elements['newZone[MinAlarmPixels]'].value || (parseFloat(form.elements['newZone[MinAlarmPixels]'].value) <= 0 ) ) {
errors[errors.length] = minAlarmAreaUnsetString;
} else if ( (parseFloat(form.elements['newZone[MinAlarmPixels]'].value) >= parseFloat(form.elements['newZone[MaxAlarmPixels]'].value)) && (parseFloat(form.elements['newZone[MaxAlarmPixels]'].value) > 0) ) {
errors[errors.length] = minAlarmAreaLtMaxString;
}
if ( form.elements['newZone[CheckMethod]'].value == 'FilteredPixels' || form.elements['newZone[CheckMethod]'].value == 'Blobs' ) {
if ( !form.elements['newZone[MinFilterPixels]'].value || (parseFloat(form.elements['newZone[MinFilterPixels]'].value) <= 0 ) ) {
errors[errors.length] = minFilterAreaUnsetString;
} else if ( (parseFloat(form.elements['newZone[MinFilterPixels]'].value) >= parseFloat(form.elements['newZone[MaxFilterPixels]'].value)) && (parseFloat(form.elements['newZone[MaxFilterPixels]'].value) > 0) ) {
errors[errors.length] = minFilterAreaLtMaxString;
} else if ( parseFloat(form.elements['newZone[MinAlarmPixels]'].value) < parseFloat(form.elements['newZone[MinFilterPixels]'].value) ) {
errors[errors.length] = minFilterLtMinAlarmString;
}
if ( form.elements['newZone[CheckMethod]'].value == 'Blobs' ) {
if ( !form.elements['newZone[MinBlobPixels]'].value || (parseFloat(form.elements['newZone[MinBlobPixels]'].value) <= 0 ) ) {
errors[errors.length] = minBlobAreaUnsetString;
} else if ( (parseFloat(form.elements['newZone[MinBlobPixels]'].value) >= parseFloat(form.elements['newZone[MaxBlobPixels]'].value)) && (parseFloat(form.elements['newZone[MaxBlobPixels]'].value) > 0) ) {
errors[errors.length] = minBlobAreaLtMaxString;
} else if ( parseFloat(form.elements['newZone[MinFilterPixels]'].value) < parseFloat(form.elements['newZone[MinBlobPixels]'].value) ) {
errors[errors.length] = minBlobLtMinFilterString;
}
if ( !form.elements['newZone[MinBlobs]'].value || (parseInt(form.elements['newZone[MinBlobs]'].value) <= 0 ) ) {
errors[errors.length] = minBlobsUnsetString;
} else if ( (parseInt(form.elements['newZone[MinBlobs]'].value) >= parseInt(form.elements['newZone[MaxBlobs]'].value)) && (parseInt(form.elements['newZone[MaxBlobs]'].value) > 0) ) {
errors[errors.length] = minBlobsLtMaxString;
}
}
}
}
if ( errors.length ) {
alert(errors.join("\n"));
return false;
}
return true;
}
function submitForm(form) {
form.elements['newZone[AlarmRGB]'].value = (form.newAlarmRgbR.value<<16)|(form.newAlarmRgbG.value<<8)|form.newAlarmRgbB.value;
form.elements['newZone[NumCoords]'].value = zone['Points'].length;
form.elements['newZone[Coords]'].value = getCoordString();
form.elements['newZone[Area]'].value = zone.Area;
form.submit();
}
function applyZoneType() {
var form = document.zoneForm;
if ( form.elements['newZone[Type]'].value == 'Inactive' || form.elements['newZone[Type]'].value == 'Privacy' ) {
form.presetSelector.disabled = true;
form.newAlarmRgbR.disabled = true;
form.newAlarmRgbG.disabled = true;
form.newAlarmRgbB.disabled = true;
form.elements['newZone[CheckMethod]'].disabled = true;
form.elements['newZone[MinPixelThreshold]'].disabled = true;
form.elements['newZone[MaxPixelThreshold]'].disabled = true;
form.elements['newZone[MinAlarmPixels]'].disabled = true;
form.elements['newZone[MaxAlarmPixels]'].disabled = true;
form.elements['newZone[FilterX]'].disabled = true;
form.elements['newZone[FilterY]'].disabled = true;
form.elements['newZone[MinFilterPixels]'].disabled = true;
form.elements['newZone[MaxFilterPixels]'].disabled = true;
form.elements['newZone[MinBlobPixels]'].disabled = true;
form.elements['newZone[MaxBlobPixels]'].disabled = true;
form.elements['newZone[MinBlobs]'].disabled = true;
form.elements['newZone[MaxBlobs]'].disabled = true;
form.elements['newZone[OverloadFrames]'].disabled = true;
form.elements['newZone[ExtendAlarmFrames]'].disabled = true;
} else if ( form.elements['newZone[Type]'].value == 'Preclusive' ) {
form.presetSelector.disabled = false;
form.newAlarmRgbR.disabled = true;
form.newAlarmRgbG.disabled = true;
form.newAlarmRgbB.disabled = true;
form.elements['newZone[CheckMethod]'].disabled = false;
form.elements['newZone[MinPixelThreshold]'].disabled = false;
form.elements['newZone[MaxPixelThreshold]'].disabled = false;
form.elements['newZone[MinAlarmPixels]'].disabled = false;
form.elements['newZone[MaxAlarmPixels]'].disabled = false;
form.elements['newZone[OverloadFrames]'].disabled = false;
form.elements['newZone[ExtendAlarmFrames]'].disabled = false;
applyCheckMethod();
} else {
form.presetSelector.disabled = false;
form.newAlarmRgbR.disabled = false;
form.newAlarmRgbG.disabled = false;
form.newAlarmRgbB.disabled = false;
form.elements['newZone[CheckMethod]'].disabled = false;
form.elements['newZone[MinPixelThreshold]'].disabled = false;
form.elements['newZone[MaxPixelThreshold]'].disabled = false;
form.elements['newZone[MinAlarmPixels]'].disabled = false;
form.elements['newZone[MaxAlarmPixels]'].disabled = false;
form.elements['newZone[OverloadFrames]'].disabled = false;
form.elements['newZone[ExtendAlarmFrames]'].disabled = true;
applyCheckMethod();
}
}
function applyCheckMethod() {
var form = document.zoneForm;
if ( form.elements['newZone[CheckMethod]'].value == 'AlarmedPixels' ) {
form.elements['newZone[FilterX]'].disabled = true;
form.elements['newZone[FilterY]'].disabled = true;
form.elements['newZone[MinFilterPixels]'].disabled = true;
form.elements['newZone[MaxFilterPixels]'].disabled = true;
form.elements['newZone[MinBlobPixels]'].disabled = true;
form.elements['newZone[MaxBlobPixels]'].disabled = true;
form.elements['newZone[MinBlobs]'].disabled = true;
form.elements['newZone[MaxBlobs]'].disabled = true;
} else if ( form.elements['newZone[CheckMethod]'].value == 'FilteredPixels' ) {
form.elements['newZone[FilterX]'].disabled = false;
form.elements['newZone[FilterY]'].disabled = false;
form.elements['newZone[MinFilterPixels]'].disabled = false;
form.elements['newZone[MaxFilterPixels]'].disabled = false;
form.elements['newZone[MinBlobPixels]'].disabled = true;
form.elements['newZone[MaxBlobPixels]'].disabled = true;
form.elements['newZone[MinBlobs]'].disabled = true;
form.elements['newZone[MaxBlobs]'].disabled = true;
} else {
form.elements['newZone[FilterX]'].disabled = false;
form.elements['newZone[FilterY]'].disabled = false;
form.elements['newZone[MinFilterPixels]'].disabled = false;
form.elements['newZone[MaxFilterPixels]'].disabled = false;
form.elements['newZone[MinBlobPixels]'].disabled = false;
form.elements['newZone[MaxBlobPixels]'].disabled = false;
form.elements['newZone[MinBlobs]'].disabled = false;
form.elements['newZone[MaxBlobs]'].disabled = false;
}
}
function applyPreset() {
var form = document.zoneForm;
var presetId = $('presetSelector').get('value');
if ( presets[presetId] ) {
var preset = presets[presetId];
form.elements['newZone[Units]'].selectedIndex = preset['UnitsIndex'];
form.elements['newZone[CheckMethod]'].selectedIndex = preset['CheckMethodIndex'];
form.elements['newZone[MinPixelThreshold]'].value = preset['MinPixelThreshold'];
form.elements['newZone[MaxPixelThreshold]'].value = preset['MaxPixelThreshold'];
form.elements['newZone[FilterX]'].value = preset['FilterX'];
form.elements['newZone[FilterY]'].value = preset['FilterY'];
form.elements['newZone[MinAlarmPixels]'].value = preset['MinAlarmPixels'];
form.elements['newZone[MaxAlarmPixels]'].value = preset['MaxAlarmPixels'];
form.elements['newZone[MinFilterPixels]'].value = preset['MinFilterPixels'];
form.elements['newZone[MaxFilterPixels]'].value = preset['MaxFilterPixels'];
form.elements['newZone[MinBlobPixels]'].value = preset['MinBlobPixels'];
form.elements['newZone[MaxBlobPixels]'].value = preset['MaxBlobPixels'];
form.elements['newZone[MinBlobs]'].value = preset['MinBlobs'];
form.elements['newZone[MaxBlobs]'].value = preset['MaxBlobs'];
form.elements['newZone[OverloadFrames]'].value = preset['OverloadFrames'];
form.elements['newZone[ExtendAlarmFrames]'].value = preset['ExtendAlarmFrames'];
applyCheckMethod();
form.elements['newZone[TempArea]'].value = 100;
}
}
function toPixels(field, maxValue) {
if ( field.value != '' ) {
field.value = Math.round((field.value*maxValue)/100);
if ( field.value > maxValue ) field.value = maxValue;
}
field.setAttribute('step', 1);
field.setAttribute('max', maxValue);
}
// maxValue is the max Pixels value which is normally the max area
function toPercent(field, maxValue) {
if ( field.value != '' ) {
field.value = Math.round((100*100*field.value)/maxValue)/100;
if ( field.value > 100 ) {
field.value = 100;
}
}
field.setAttribute('step', 0.01);
field.setAttribute('max', 100);
}
function applyZoneUnits() {
var area = zone.Area;
var form = document.zoneForm;
if ( form.elements['newZone[Units]'].value == 'Pixels' ) {
form.elements['newZone[TempArea]'].value = area;
toPixels(form.elements['newZone[MinAlarmPixels]'], area);
toPixels(form.elements['newZone[MaxAlarmPixels]'], area);
toPixels(form.elements['newZone[MinFilterPixels]'], area);
toPixels(form.elements['newZone[MaxFilterPixels]'], area);
toPixels(form.elements['newZone[MinBlobPixels]'], area);
toPixels(form.elements['newZone[MaxBlobPixels]'], area);
} else {
form.elements['newZone[TempArea]'].value = Math.round(area/monitorArea * 100);
toPercent(form.elements['newZone[MinAlarmPixels]'], area);
toPercent(form.elements['newZone[MaxAlarmPixels]'], area);
toPercent(form.elements['newZone[MinFilterPixels]'], area);
toPercent(form.elements['newZone[MaxFilterPixels]'], area);
toPercent(form.elements['newZone[MinBlobPixels]'], area);
toPercent(form.elements['newZone[MaxBlobPixels]'], area);
}
}
function limitRange(field, minValue, maxValue) {
if ( field.value != '' ) {
field.value = constrainValue(
parseInt(field.value),
parseInt(minValue),
parseInt(maxValue)
);
}
}
function limitRangeToUnsignedByte(field) {
if ( field.value != '' ) {
field.value = constrainValue(parseInt(field.value), 0, 255);
}
}
function limitFilter(field) {
field.value = (Math.floor((field.value-1)/2)*2) + 1;
field.value = constrainValue(parseInt(field.value), 3, 15);
}
function limitArea(field) {
var minValue = 0;
var maxValue = zone.Area;
if ( document.zoneForm.elements['newZone[Units]'].value == 'Percent' ) {
maxValue = 100;
}
limitRange(field, minValue, maxValue);
}
function highlightOn(index) {
$('row'+index).addClass('highlight');
$('point'+index).addClass('highlight');
}
function highlightOff(index) {
row = $('row'+index);
if ( row ) {
row.removeClass('highlight');
} else {
console.log("No row for index " + index);
}
$('point'+index).removeClass('highlight');
}
function setActivePoint(index) {
highlightOff(index);
$('row'+index).addClass('active');
$('point'+index).addClass('active');
}
function unsetActivePoint(index) {
$('row'+index).removeClass('active');
$('point'+index).removeClass('active');
}
function getCoordString() {
var coords = new Array();
for ( var i = 0; i < zone['Points'].length; i++ ) {
coords[coords.length] = zone['Points'][i].x+','+zone['Points'][i].y;
}
return coords.join(' ');
}
function updateZoneImage() {
var imageFrame = $('imageFrame');
var style = imageFrame.currentStyle || window.getComputedStyle(imageFrame);
scale = (imageFrame.clientWidth - ( style.paddingLeft.toInt() + style.paddingRight.toInt() )) / maxX;
var SVG = $('zoneSVG');
var Poly = $('zonePoly');
Poly.points.clear();
for ( var i = 0; i < zone['Points'].length; i++ ) {
var Point = SVG.createSVGPoint();
Point.x = zone['Points'][i].x;
//+ 2*padding_left;
Point.y = zone['Points'][i].y;// + 2*padding_top;
Poly.points.appendItem(Point);
}
}
function fixActivePoint(index) {
updateActivePoint(index);
unsetActivePoint(index);
updateZoneImage();
}
function constrainValue(value, loVal, hiVal) {
if ( value < loVal ) {
return loVal;
}
if ( value > hiVal ) {
return hiVal;
}
return value;
}
function updateActivePoint(index) {
var point = $('point'+index);
var imageFrame = $('imageFrame');
var style = imageFrame.currentStyle || window.getComputedStyle(imageFrame);
var padding_left = style.paddingLeft.toInt();
var padding_top = style.paddingTop.toInt();
scale = (imageFrame.clientWidth - ( style.paddingLeft.toInt() + style.paddingRight.toInt() )) / maxX;
var left = point.getStyle('left').toInt();
if ( left < padding_left ) {
point.setStyle('left', style.paddingLeft);
left = padding_left.toInt();
}
var top = point.getStyle('top').toInt();
if ( top < padding_top ) {
point.setStyle('top', style.paddingTop);
top = padding_top;
}
var x = constrainValue(Math.ceil(left / scale)-Math.ceil(padding_left/scale), 0, maxX);
var y = constrainValue(Math.ceil(top / scale)-Math.ceil(padding_top/scale), 0, maxY);
zone['Points'][index].x = $('newZone[Points]['+index+'][x]').value = x;
zone['Points'][index].y = $('newZone[Points]['+index+'][y]').value = y;
var Point = $('zonePoly').points.getItem(index);
Point.x = x;
Point.y = y;
updateArea();
} // end function updateActivePoint(index)
function addPoint(index) {
var nextIndex = index+1;
if ( index >= (zone['Points'].length-1) ) {
nextIndex = 0;
}
var newX = parseInt(Math.round((zone['Points'][index]['x']+zone['Points'][nextIndex]['x'])/2));
var newY = parseInt(Math.round((zone['Points'][index]['y']+zone['Points'][nextIndex]['y'])/2));
if ( nextIndex == 0 ) {
zone['Points'][zone['Points'].length] = {'x': newX, 'y': newY};
} else {
zone['Points'].splice(nextIndex, 0, {'x': newX, 'y': newY});
}
drawZonePoints();
}
function delPoint(index) {
zone['Points'].splice(index, 1);
drawZonePoints();
}
function limitPointValue(point, loVal, hiVal) {
point.value = constrainValue(point.value, loVal, hiVal);
}
function updateArea( ) {
area = Polygon_calcArea(zone['Points']);
zone.Area = area;
var form = $('zoneForm');
form.elements['newZone[Area]'].value = area;
if ( form.elements['newZone[Units]'].value == 'Percent' ) {
form.elements['newZone[TempArea]'].value = Math.round( area/monitorArea*100 );
} else if ( form.elements['newZone[Units]'].value == 'Pixels' ) {
form.elements['newZone[TempArea]'].value = area;
} else {
alert('Unknown units: ' + form.elements['newZone[Units]'].value);
}
}
function updateX(input) {
index = input.getAttribute('data-point-index');
limitPointValue(input, 0, maxX);
var point = $('point'+index);
var x = input.value;
point.setStyle('left', x+'px');
zone['Points'][index].x = x;
var Point = $('zonePoly').points.getItem(index);
Point.x = x;
updateArea();
}
function updateY(input) {
index = input.getAttribute('data-point-index');
limitPointValue(input, 0, maxY);
var point = $('point'+index);
var y = input.value;
point.setStyle('top', y+'px');
zone['Points'][index].y = y;
var Point = $('zonePoly').points.getItem(index);
Point.y = y;
updateArea();
}
function saveChanges(element) {
var form = element.form;
if ( validateForm(form) ) {
submitForm(form);
if ( form.elements['newZone[Type]'].value == 'Privacy' ) {
alert('Capture process for this monitor will be restarted for the Privacy zone changes to take effect.');
}
return true;
}
return false;
}
function drawZonePoints() {
var imageFrame = $('imageFrame');
imageFrame.getElements('.zonePoint').each(
function(element) {
element.destroy();
});
var style = imageFrame.currentStyle || window.getComputedStyle(imageFrame);
scale = (imageFrame.clientWidth - ( style.paddingLeft.toInt() + style.paddingRight.toInt() )) / maxX;
console.log("Scale = width: " + imageFrame.clientWidth);
for ( var i = 0; i < zone['Points'].length; i++ ) {
console.log("scale: " + scale + " x " + zone['Points'][i].x + " = " + Math.round(zone['Points'][i].x * scale));
var div = new Element('div', {
'id': 'point'+i,
'data-point-index': i,
'class': 'zonePoint',
'title': 'Point '+(i+1),
'styles': {
'left': (Math.round(zone['Points'][i].x * scale) + style.paddingLeft.toInt())+"px",
'top': ((zone['Points'][i].y * scale).toInt() + style.paddingTop.toInt()) +"px"
}
});
div.addEvent('mouseover', highlightOn.pass(i));
div.addEvent('mouseout', highlightOff.pass(i));
div.inject(imageFrame);
div.makeDraggable( {
'container': imageFrame,
'onStart': setActivePoint.pass(i),
'onComplete': fixActivePoint.pass(i),
'onDrag': updateActivePoint.pass(i)
} );
} // end foreach point
var tables = $('zonePoints').getElement('table').getElements('table');
tables.each( function(table) {
table.getElement('tbody').empty();
} );
for ( var i = 0; i < zone['Points'].length; i++ ) {
var row;
row = new Element('tr', {'id': 'row'+i});
row.addEvent('mouseover', highlightOn.pass(i));
row.addEvent('mouseout', highlightOff.pass(i));
//row.onmouseover = highlightOn.pass(i)
//row.onmouseout = window['highlightOff'].bind(div, div);
var cell = new Element('td');
cell.set('text', i+1);
cell.inject(row);
cell = new Element('td');
var input = new Element('input', {
'id': 'newZone[Points]['+i+'][x]',
'name': 'newZone[Points]['+i+'][x]',
'value': zone['Points'][i].x,
'type': 'number',
'class': 'ZonePoint',
'min': '0',
'max': maxX,
'data-point-index': i
});
input.oninput = window['updateX'].bind(input, input);
input.inject(cell);
cell.inject(row);
cell = new Element('td');
input = new Element('input', {
'id': 'newZone[Points]['+i+'][y]',
'name': 'newZone[Points]['+i+'][y]',
'value': zone['Points'][i].y,
'type': 'number',
'class': 'ZonePoint',
'min': '0',
'max': maxY,
'data-point-index': i
} );
input.oninput = window['updateY'].bind(input, input);
input.inject(cell);
cell.inject(row);
cell = new Element('td');
new Element('button', {
'type': 'button',
'events': {'click': addPoint.pass(i)}
}).set('text', '+').inject(cell);
if ( zone['Points'].length > 3 ) {
cell.appendText(' ');
new Element('button', {
'id': 'delete'+i,
'type': 'button',
'events': {'click': delPoint.pass(i)}
}).set('text', '-').inject(cell);
}
cell.inject(row);
row.inject(tables[i%tables.length].getElement('tbody'));
} // end foreach point
// Sets up the SVG polygon
updateZoneImage();
}
function streamCmdPause() {
for ( var i = 0, length = monitors.length; i < length; i++ ) {
monitors[i].pause();
}
document.getElementById('pauseBtn').style.display = 'none';
document.getElementById('playBtn').style.display = 'inline';
}
function streamCmdPlay() {
for ( var i = 0, length = monitors.length; i < length; i++ ) {
monitors[i].play();
}
document.getElementById('playBtn').style.display = 'none';
document.getElementById('pauseBtn').style.display = 'inline';
}
//Make sure the various refreshes are still taking effect
function watchdogCheck(type) {
if ( watchdogInactive[type] ) {
watchdogFunctions[type]();
watchdogInactive[type] = false;
} else {
watchdogInactive[type] = true;
}
}
function watchdogOk(type) {
watchdogInactive[type] = false;
}
function presetSelectorBlur() {
this.selectedIndex = 0;
}
var monitors = new Array();
function initPage() {
var form = document.zoneForm;
//form.elements['newZone[Name]'].disabled = true;
//form.elements['newZone[Type]'].disabled = true;
form.presetSelector.disabled = true;
form.presetSelector.onblur = window['presetSelectorBlur'].bind(form.presetSelector, form.presetSelector);
//form.elements['newZone[Units]'].disabled = true;
if ( CheckMethod = form.elements['newZone[CheckMethod]'] ) {
CheckMethod.disabled = true;
CheckMethod.onchange = window['applyCheckMethod'].bind(CheckMethod, CheckMethod);
}
[
'newZone[MinPixelThreshold]',
'newZone[MaxPixelThreshold]',
'newAlarmRgbR',
'newAlarmRgbG',
'newAlarmRgbB',
].forEach(
function(element_name, index) {
var el = form.elements[element_name];
if ( el ) {
el.oninput = window['limitRangeToUnsignedByte'].bind(el, el);
el.disabled = true;
} else {
console.error("Element " + element_name + " not found in zone edit form");
}
});
[
'newZone[FilterX]',
'newZone[FilterY]'
].forEach(
function(element_name, index) {
var el = form.elements[element_name];
if ( el ) {
el.oninput = window['limitFilter'].bind(el, el);
el.disabled = true;
} else {
console.error("Element " + element_name + " not found in zone edit form");
}
}
);
[
'newZone[MinAlarmPixels]',
'newZone[MaxAlarmPixels]',
'newZone[MinFilterPixels]',
'newZone[MaxFilterPixels]'
].forEach(function(element_name, index) {
var el = form.elements[element_name];
if ( el ) {
el.oninput = window['limitArea'].bind(el, el);
el.disabled = true;
} else {
console.error("Element " + element_name + " not found in zone edit form");
}
}
);
form.elements['newZone[MinBlobPixels]'].disabled = true;
form.elements['newZone[MaxBlobPixels]'].disabled = true;
form.elements['newZone[MinBlobs]'].disabled = true;
form.elements['newZone[MaxBlobs]'].disabled = true;
form.elements['newZone[OverloadFrames]'].disabled = true;
applyZoneType();
if ( form.elements['newZone[Units]'].value == 'Percent' ) {
applyZoneUnits();
}
applyCheckMethod();
$('pauseBtn').onclick = function() {
streamCmdPause();
};
$('playBtn').style.display = 'none'; // hide pause initially
$('playBtn').onclick = function() {
streamCmdPlay();
};
if ( el = $('saveBtn') ) {
el.onclick = window['saveChanges'].bind(el, el);
}
if ( el = $('cancelBtn') ) {
el.onclick = function() {
refreshParentWindow();
closeWindow();
};
}
for ( var i = 0, length = monitorData.length; i < length; i++ ) {
monitors[i] = new MonitorStream(monitorData[i]);
// Start the fps and status updates. give a random delay so that we don't assault the server
var delay = Math.round( (Math.random()+0.5)*statusRefreshTimeout );
monitors[i].start(delay);
}
document.querySelectorAll('#imageFrame img').forEach(function(el) {
el.addEventListener("load", imageLoadEvent, {passive: true});
});
window.addEventListener("resize", drawZonePoints, {passive: true});
} // initPage
function imageLoadEvent() {
// We only need this event on the first image load to set dimensions.
// Turn it off after it has been called.
document.querySelectorAll('#imageFrame img').forEach(function(el) {
el.removeEventListener("load", imageLoadEvent, {passive: true});
});
drawZonePoints();
}
function Polygon_calcArea(coords) {
var n_coords = coords.length;
var float_area = 0.0;
for ( i = 0; i < n_coords-1; i++ ) {
var trap_area = (coords[i].x*coords[i+1].y - coords[i+1].x*coords[i].y) / 2;
float_area += trap_area;
//printf( "%.2f (%.2f)\n", float_area, trap_area );
}
float_area += (coords[n_coords-1].x*coords[0].y - coords[0].x*coords[n_coords-1].y) / 2;
return Math.round(Math.abs(float_area));
}
window.addEventListener('DOMContentLoaded', initPage);