我正在尝试使单个事件更新页面的两个部分。
如果您查看http://eddowding.com/clients/stack/OverviewLite.php，您可以通过单击并拖动一个区域来放大顶部图表。在发布时，此更新页面上的图表之一。我希望它能更新所有这些。
我认为这是一个 jquery 问题，而不是 flot 问题，并且怀疑 Fling（http://www.command-tab.com/2008/12/04/jquery-fling/）可能有答案。但我不太清楚如何应用它。（无论如何，我都不是 js 人..！）
提前致谢！
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Graph Hell!</title>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<script type="text/javascript" src="jquery/jquery-1.3.1.js"></script>
<!--[if IE]><script language="javascript" type="text/javascript" src="jquery/flot/excanvas.pack.js"></script><![endif]-->
<script language="javascript" type="text/javascript" src="jquery/flot/jquery.flot.js"></script>
<script language="javascript" type="text/javascript" src="jquery/jquery.fling.js"></script>
</head>
<body>
<script id="source" language="javascript" type="text/javascript">
$(function () {
var d = [
[1196463600000, 500],
[1196550000000, 0],
[1196636400000, 0],
[1196722800000, 77],
[1196809200000, 3636],
[1196895600000, 3575],
[1196982000000, 2736],
[1197068400000, 1086],
[1197154800000, 676],
[1197241200000, 1205],
[1197327600000, 906],
[1197414000000, 710],
[1197500400000, 639],
[1197586800000, 540],
[1197673200000, 435],
[1197759600000, 301],
[1197846000000, 575],
[1197932400000, 481],
[1198018800000, 591],
[1198105200000, 608],
[1198191600000, 459],
[1198278000000, 234],
[1198364400000, 1352],
[1198450800000, 686],
[1198537200000, 279],
[1198623600000, 449],
[1198710000000, 468],
[1198796400000, 392],
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[1200265200000, 327],
[1200351600000, 374],
[1200438000000, 507],
[1200524400000, 546],
[1200610800000, 482],
[1200697200000, 283],
[1200783600000, 221],
[1200870000000, 483],
[1200956400000, 523],
[1201042800000, 528],
[1201129200000, 483],
[1201215600000, 452],
[1201302000000, 270],
[1201388400000, 222],
[1201474800000, 439],
[1201561200000, 559],
[1201647600000, 521],
[1201734000000, 477],
[1201820400000, 442],
[1201906800000, 252],
[1201993200000, 236],
[1202079600000, 525],
[1202166000000, 477],
[1202252400000, 386],
[1202338800000, 409],
[1202425200000, 408],
[1202511600000, 237],
[1202598000000, 193],
[1202684400000, 357],
[1202770800000, 414],
[1202857200000, 393],
[1202943600000, 353],
[1203030000000, 364],
[1203116400000, 215],
[1203202800000, 214],
[1203289200000, 356],
[1203375600000, 399],
[1203462000000, 334],
[1203548400000, 348],
[1203634800000, 243],
[1203721200000, 126],
[1203807600000, 157],
[1203894000000, 288]
];
var e = [
[1196463600000, -500],
[1196550000000, -0],
[1196636400000, -0],
[1196722800000, -77],
[1196809200000, -3636],
[1196895600000, -3575],
[1196982000000, -2736],
[1197068400000, -1086],
[1197154800000, -676],
[1197241200000, -1205],
[1197327600000, -906],
[1197414000000, -710],
[1197500400000, -639],
[1197586800000, -540],
[1197673200000, -435],
[1197759600000, -301],
[1197846000000, -575],
[1197932400000, -481],
[1198018800000, -591],
[1198105200000, -608],
[1198191600000, -459],
[1198278000000, -234],
[1198364400000, -1352],
[1198450800000, -686],
[1198537200000, -279],
[1198623600000, -449],
[1198710000000, -468],
[1198796400000, -392],
[1198882800000, -282],
[1198969200000, -208],
[1199055600000, -229],
[1199142000000, -177],
[1199228400000, -374],
[1199314800000, -436],
[1199401200000, -404],
[1199487600000, -253],
[1199574000000, -218],
[1199660400000, -476],
[1199746800000, -462],
[1199833200000, -448],
[1199919600000, -442],
[1200006000000, -403],
[1200092400000, -204],
[1200178800000, -194],
[1200265200000, -327],
[1200351600000, -374],
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[1200524400000, -546],
[1200610800000, -482],
[1200697200000, -283],
[1200783600000, -221],
[1200870000000, -483],
[1200956400000, -523],
[1201042800000, -528],
[1201129200000, -483],
[1201215600000, -452],
[1201302000000, -270],
[1201388400000, -222],
[1201474800000, -439],
[1201561200000, -559],
[1201647600000, -521],
[1201734000000, -477],
[1201820400000, -442],
[1201906800000, -252],
[1201993200000, -236],
[1202079600000, -525],
[1202166000000, -477],
[1202252400000, -386],
[1202338800000, -409],
[1202425200000, -408],
[1202511600000, -237],
[1202598000000, -193],
[1202684400000, -357],
[1202770800000, -414],
[1202857200000, -393],
[1202943600000, -353],
[1203030000000, -364],
[1203116400000, -215],
[1203202800000, -214],
[1203289200000, -356],
[1203375600000, -399],
[1203462000000, -334],
[1203548400000, -348],
[1203634800000, -243],
[1203721200000, -126],
[1203807600000, -157],
[1203894000000, -288]
];
// first correct the timestamps - they are recorded as the daily
// midnights in UTC+0100, but Flot always displays dates in UTC
// so we have to add one hour to hit the midnights in the plot
for (var i = 0; i < d.length; ++i)
d[i][0] += 60 * 60 * 1000;
// helper for returning the weekends in a period
function weekendAreas(axes) {
var markings = [];
var d = new Date(axes.xaxis.min);
// go to the first Saturday
d.setUTCDate(d.getUTCDate() - ((d.getUTCDay() + 1) % 7))
d.setUTCSeconds(0);
d.setUTCMinutes(0);
d.setUTCHours(0);
var i = d.getTime();
do {
// when we don't set yaxis the rectangle automatically
// extends to infinity upwards and downwards
markings.push({
xaxis: {
from: i,
to: i + 2 * 24 * 60 * 60 * 1000
}
});
i += 7 * 24 * 60 * 60 * 1000;
} while (i < axes.xaxis.max);
return markings;
}
var options1 = {
colors: ["#00ff00", "#ff0000"],
xaxis: {
ticks: []
},
yaxis: {
ticks: []
},
selection: {
mode: "x"
},
lines: {
show: true,
lineWidth: 2
},
grid: {
markings: weekendAreas,
borderWidth: 0
}
};
var options2 = {
xaxis: {
mode: "time"
},
bars: {
show: true,
lineWidth: 5
},
yaxis: {
ticks: [],
min: -4000,
max: 5000
},
selection: {
mode: "x",
color: "#45A0DC"
},
grid: {
markings: weekendAreas,
borderWidth: 0
}
};
var options3 = {
lines: {
show: true,
lineWidth: 1
},
shadowSize: 0,
xaxis: {
ticks: [],
mode: "time"
},
yaxis: {
ticks: [],
min: 0,
max: 4000
},
grid: {
markings: weekendAreas,
borderWidth: 0
}
};
var plot = $.plot($("#placeholder"), [d, e], options1);
var overviewMini = $.plot($("#overviewMini"), [d, e], {
colors: ["#00ff00", "#ff0000"],
legend: {
show: true,
container: $("#overviewLegend")
},
lines: {
show: true,
lineWidth: 2
},
shadowSize: 0,
xaxis: {
ticks: [],
mode: "time"
},
yaxis: {
ticks: [],
min: -4000,
max: 4000
},
selection: {
mode: "x",
color: "#45A0DC"
},
grid: {
markings: weekendAreas,
borderWidth: 0
}
});
var datesOnly = $.plot($("#datesOnly"), [d, e], options2);
var salary = $.plot($("#salary"), [d], options3);
var plotType = 0;
// now for the binding between the graphs
$("#placeholder").bind("plotselected", function (event, ranges) {
// do the zooming
// don't fire event on the incomeMini to prevent eternal loop
overviewMini.setSelection(ranges, true);
zoomGraphs(ranges);
});
$("#datesOnly").bind("plotselected", function (event, ranges) {
// do the zooming
// don't fire event on the incomeMini to prevent eternal loop
overviewMini.setSelection(ranges, true);
zoomGraphs(ranges);
});
$("#salary").bind("plotselected", function (event, ranges) {
// do the zooming
// don't fire event on the incomeMini to prevent eternal loop
overviewMini.setSelection(ranges, true);
zoomGraphs(ranges);
});
$("#overviewMini").bind("plotselected", function (event, ranges) {
zoomGraphs(ranges);
});
function zoomGraphs(ranges) {
$.plot($("#datesOnly"), [d, e],
$.extend(true, {}, options2, {
xaxis: {
min: ranges.xaxis.from,
max: ranges.xaxis.to
}
}));
$.plot($("#placeholder"), [d, e],
$.extend(true, {}, options1, {
xaxis: {
min: ranges.xaxis.from,
max: ranges.xaxis.to
}
}));
$.plot($("#salary"), [d, e],
$.extend(true, {}, options3, {
xaxis: {
min: ranges.xaxis.from,
max: ranges.xaxis.to
}
}));
}
});
</script>
<div id="overviewMini" style="width:400px;height:50px"></div>
<div id="datesOnly" style="width:400px;height:100px;"></div>
<div id="placeholder" style="width:400px;height:100px;"></div>
<div id="salary" style="width:400px;height:50px;"></div>
</body>
</html>
感谢 YellowLabs.nl 的 Sean 和 #jquery IRC ！！！