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<!--
/*
* This code replaces images in the smokeping website with ajax
*
* The jquery toolkit (version 1.1.3.1) was used for platform
* independency. The URL parsing part was taken from the
* bonsaj.js script.
*
* Copyright (c) 2007 Roman Plessl <roman.plessl@oetiker.ch>
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* $Date: 2007-08-15 17:14:56 +0200 $
* $Rev: 36 $
*
*/
/*++ from bonsai.js ++ urlObj +++++++++++++++++++++++++++++++++++++++++*/
function urlObj(url) {
var urlBaseAndParameters;
urlBaseAndParameters = url.split("?");
this.urlBase = urlBaseAndParameters[0];
this.urlParameters = urlBaseAndParameters[1].split(/[;&]/);
this.getUrlBase = urlObjGetUrlBase;
this.getUrlParameterValue = urlObjGetUrlParameterValue;
}
/*++ from bonsai.js ++ urlObjGetUrlBase +++++++++++++++++++++++++++++++*/
function urlObjGetUrlBase() {
return this.urlBase;
}
/*++ form bonsai.js ++ urlObjGetUrlParameterValue +++++++++++++++++++++*/
function urlObjGetUrlParameterValue(parameter) {
var i;
var fieldAndValue;
var value;
i = 0;
while (this.urlParameters [i] != undefined) {
fieldAndValue = this.urlParameters[i].split("=");
if (fieldAndValue[0] == parameter) {
value = fieldAndValue[1];
}
i++;
}
return value;
}
/*++++++++++++++++++++ isoDateToJS +++++++++++++++++++++++++++++++++++++*/
function ISODateToJS(rawisodate) {
var decode = decodeURIComponent(rawisodate);
if (decode == "now") {
return new Date();
}
else {
var M = decode.match(/(\d\d\d\d).(\d\d).(\d\d).(\d\d).(\d\d)/)
var date = new Date(M[1], M[2]-1, M[3], M[4], M[5], "00")
return date;
}
}
/*++++++++++++++++++++++ JSToisoDate ++++++++++++++++++++++++++++++++++++++*/
function JSToISODate(mydate) {
var isodate = mydate.getFullYear() + "-";
if ((mydate.getMonth() + 1) < 10) { isodate = isodate + "0"; }
isodate = isodate + (mydate.getMonth() + 1) + "-";
if (mydate.getDate() < 10) { isodate = isodate + "0"; }
isodate = isodate + mydate.getDate() + " ";
if (mydate.getHours() < 10) { isodate = isodate + "0"; }
isodate = isodate + mydate.getHours() + ":";
if (mydate.getMinutes() < 10) { isodate = isodate + "0"; }
isodate = isodate + mydate.getMinutes();
return encodeURI(isodate);
}
$(document).ready(function() {
mySelectTop = 0;
mySelectLeft = 0;
mySelectRight = 0;
mySelectBottom = 0;
myImgTop = 0;
myImgLeft = 0;
myImgRight = 0;
myImgBottom = 0;
RRDLeftDiff = 68; // difference between left border of RRD image and content
RRDRightDiff = 33; // difference between right border of RRD image and content
RRDImgWidth = 697; // Width of the Smokeping RRD Graphik
RRDImgUsable = 596; // 598 = 697 - 68 - 33;
mySelectTop = 0;
mySelectLeft = 0;
mySelectRight = 0;
mySelectBottom = 0;
StartDateString = 0;
EndDateString = 0;
$("div.zoom").mousedown(function() {
var rrdimg = $("div.zoom").children("img");
myImgTop = rrdimg.get(0).y;
myImgLeft = rrdimg.get(0).x;
myImgRight = myImgLeft + rrdimg.get(0).width;
myImgBottom = myImgTop + rrdimg.get(0).height;
});
$("div.zoom").Selectable({
accept : 'selectableitem',
opacity : 0.2,
selectedclass : 'selecteditem',
helperclass : 'selecthelper'
});
});
// will be started by modified iSelect (StopApply Function)
function changeRRDImage(){
var oldimg = $("div.zoom").children("img");
myURLObj = new urlObj(document.URL);
// parse start and stop parameter from URL
var myURL = myURLObj.getUrlBase();
var myRawStartDate = (StartDateString != 0) ? StartDateString : myURLObj.getUrlParameterValue("start");
var myRawStopDate = (EndDateString != 0) ? EndDateString : myURLObj.getUrlParameterValue("end");
var myRawTarget = myURLObj.getUrlParameterValue("target");
var myParsedStartDate = ISODateToJS(myRawStartDate);
myParsedStartEpoch = Math.floor(myParsedStartDate.getTime()/1000.0);
var myParsedStopDate = ISODateToJS(myRawStopDate);
myParsedStopEpoch = Math.floor(myParsedStopDate.getTime()/1000.0);
myParsedDivEpoch = myParsedStopEpoch - myParsedStartEpoch;
var mySerialDate = new Date();
var mySerial = mySerialDate.getTime();
// Generate Selected Range in Unix Timestamps
var genStart = myParsedStartEpoch + (((mySelectLeft - RRDLeftDiff) / RRDImgUsable ) * myParsedDivEpoch);
var genStop = myParsedStartEpoch + (((mySelectRight - RRDLeftDiff) / RRDImgUsable ) * myParsedDivEpoch);
var floorGenStart = Math.floor(genStart);
var floorGenStop = Math.floor(genStop);
var StartDate = new Date(floorGenStart*1000);
var StopDate = new Date(floorGenStop*1000);
// floor to last full minute
var MinuteGenStart = ( Math.floor(floorGenStart / 60) * 60 );
var MinuteGenStop = ( Math.floor(floorGenStop / 60) * 60 );
// create new image based on old image and fetched data
var newimg = new Image();
newimg = oldimg;
StartDateString = JSToISODate(StartDate);
EndDateString = JSToISODate(StopDate);
// construct Image URL
newimg.attr("src",myURL + "?displaymode=a;start=" + StartDateString+ ";end=" + EndDateString + ";target=" + myRawTarget + ";serial=" + mySerial);
};
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