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index.html
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<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title>Time Axis Demo</title>
<style type="text/css">
body {
/* The GWT stylesheet tries to stomp on our styles, so fight back by using !important here. */
margin: 10px !important;
font-weight: normal !important;
font-family: Helvetica, Arial, sans-serif !important;
font-size: 10pt !important;
}
.title {
font-size: 21pt;
text-align: center;
font-weight: bold;
margin-bottom: 20px;
}
#time_axis {
position: relative;
margin-left: 50px;
margin-right: 50px;
border: 1px solid black;
height: 60px;
}
.table {
display: table;
border: 1px solid #cccccc;
padding: 5px;
}
.row {
display: table-row;
}
.cell {
display: table-cell;
}
.row_label {
font-weight: bold;
text-align: right;
border-right: 1px solid #cccccc;
padding-right: 5px;
}
.col_label {
font-weight: bold !important;
text-align: center;
border-bottom: 1px solid #cccccc;
padding: 5px;
}
.value {
padding-left: 15px;
padding-right: 15px;
font-family: Monoco, Courier, monospace;
}
.control_panel {
margin-left: 20px;
}
</style>
<script type="text/javascript" language="JavaScript" src="lib/jquery/jquery-1.11.1.min.js"></script>
<script type="text/javascript" language="JavaScript" src="lib/org/bodytrack/grapher/gwt/grapher2.nocache.js"></script>
<script type="text/javascript" language="JavaScript">
var timeAxis = null;
// this gets called once the GWT grapher is loaded and ready to go
window.grapherLoad = function() {
var isMinTimeLocked = false;
var isMaxTimeLocked = false;
var fixedMinTime = null;
var fixedMaxTime = null;
// define default time range (defaults to max time of now, and a min time exactly 1 day before now)
var now = new Date();
var yesterday = new Date();
yesterday.setDate(now.getDate() - 1);
var defaultTimeRange = {
min : yesterday.getTime() / 1000,
max : now.getTime() / 1000
};
// create the time axis
timeAxis = new DateAxis("time_axis", "horizontal", defaultTimeRange);
// register a change listener so we can report current state as the user pans and zooms the axis.
// NOTE: if you ever need to remove a change listener, use .removeAxisChangeListener()
timeAxis.addAxisChangeListener(function(axisChangeEvent) {
// display current state in the UI
$("#min_secs").text(axisChangeEvent['min'].toFixed(6));
$("#max_secs").text(axisChangeEvent['max'].toFixed(6));
$("#cursor_secs").text(axisChangeEvent['cursorPosition'] == null ? "n/a" : axisChangeEvent['cursorPosition'].toFixed(6));
$("#min_formatted").text(new Date(axisChangeEvent['min'] * 1000));
$("#max_formatted").text(new Date(axisChangeEvent['max'] * 1000));
$("#cursor_formatted").text(axisChangeEvent['cursorPosition'] == null ? "n/a" : new Date(axisChangeEvent['cursorPosition'] * 1000));
// see if we need to clamp the range
var rangeNeedsFixing = false;
var newRange = {min : axisChangeEvent['min'], max : axisChangeEvent['max']};
if (isMinTimeLocked && axisChangeEvent['min'] < fixedMinTime) {
rangeNeedsFixing = true;
newRange['min'] = fixedMinTime;
}
if (isMaxTimeLocked && axisChangeEvent['max'] > fixedMaxTime) {
rangeNeedsFixing = true;
newRange['max'] = fixedMaxTime;
}
if (rangeNeedsFixing) {
timeAxis.setRange(newRange['min'], newRange['max']);
}
});
// configure the various control widgets
$("#is_cursor_enabled").change(function() {
if ($(this).prop('checked')) {
timeAxis.setCursorPosition((timeAxis.getMax() - timeAxis.getMin()) / 2 + timeAxis.getMin());
}
else {
timeAxis.setCursorPosition(null);
}
});
$("#is_min_locked").change(function() {
isMinTimeLocked = $(this).prop('checked');
fixedMinTime = timeAxis.getMin();
});
$("#is_max_locked").change(function() {
isMaxTimeLocked = $(this).prop('checked');
fixedMaxTime = timeAxis.getMax();
});
$("#reset_time_range").click(function() {
timeAxis.setRange(defaultTimeRange['min'], defaultTimeRange['max']);
fixedMinTime = defaultTimeRange['min'];
fixedMaxTime = defaultTimeRange['max'];
});
// the purpose of this is simply to illustrate the use of the various
// getter methods rather than only relying on the change listener
$("#report_current_state").click(function() {
alert("Min: " + timeAxis.getMin() + "\n" +
"Max: " + timeAxis.getMax() + "\n" +
"Cursor: " + timeAxis.getCursorPosition() + "\n" +
"Scale: " + timeAxis.getScale());
});
// update the sizes--you must do this!
updateSize();
// set up window resize handler so that the time axis
// can update its internals when its size changes
$(window).resize(updateSize);
};
function updateSize() {
var timeAxisElement = $("#time_axis");
timeAxis.setSize(timeAxisElement.width(), timeAxisElement.height(), SequenceNumber.getNext());
}
</script>
</head>
<body>
<div class="title">BodyTrack Grapher Time Axis Demo</div>
<div id="time_axis"></div>
<div class="table" style="margin: 20px auto 0 auto; border: none">
<div class="row">
<div class="cell">
<div class="table" style="margin: 20px auto 0 auto">
<div class="row">
<div class="cell col_label"> </div>
<div class="cell col_label">Secs</div>
<div class="cell col_label">Time</div>
</div>
<div class="row">
<div class="cell row_label">Min:</div>
<div class="cell value" id="min_secs">0</div>
<div class="cell value" id="min_formatted">0</div>
</div>
<div class="row">
<div class="cell row_label">Max:</div>
<div class="cell value" id="max_secs">0</div>
<div class="cell value" id="max_formatted">0</div>
</div>
<div class="row">
<div class="cell row_label">Cursor:</div>
<div class="cell value" id="cursor_secs">0</div>
<div class="cell value" id="cursor_formatted">0</div>
</div>
</div>
</div>
<div class="cell">
<div class="control_panel">
<div>
<input type="checkbox" id="is_cursor_enabled" name="is_cursor_enabled" value="true"><label for="is_cursor_enabled">Show cursor</label>
</div>
<div>
<input type="checkbox" id="is_min_locked" name="is_min_locked" value="true"><label for="is_min_locked">Lock min time</label>
</div>
<div>
<input type="checkbox" id="is_max_locked" name="is_max_locked" value="true"><label for="is_max_locked">Lock max time</label>
</div>
</div>
</div>
<div class="cell">
<div class="control_panel">
<div>
<button id="reset_time_range">Reset Time Range</button>
</div>
<div>
<button id="report_current_state">Report Current State</button>
</div>
</div>
</div>
</div>
</div>
</body>
</html>