我使用vis.js時間軸來顯示事件並獲取所有項目顯示的ajax調用。vis.js重繪和更改數據
當前我在頁面上有一個工作過濾器,所以時間線去特定的範圍,這工作正常。
我想要做的是縮小顯示的信息範圍。我對如何做到這一點的初步想法是改變ajax調用,以便返回我需要的信息的json。
一個例子:
- 選擇區域:
- 英格蘭北部
- 英格蘭南部
- 阿賈克斯調用,所以它會只具有顯示項目的數據庫將過濾在某一列的財產
- 我會然後redra w利用從Ajax調用新的json的時間軸
我在哪裏脫粘是第1部分和第2部分,有誰知道我將如何指定不同的Ajax URL,然後如何重繪表?我已經試過timeline.redraw():沒有運氣,所以我首先銷燬表,但仍然沒有骰子(timeline.destroy(); timeline.redraw();)銷燬comman工作,但不是重繪。
這裏是我的代碼(注意日期過濾器工作正常) HTML
<!-- this is just the filter section -->
<div id="filters" style="margin: 10px; background-color: RGB(229,229,229); border-radius: 10px; padding: 5px">
<div id="filterscontainer" style="display: inline-block">
<table>
<tr>
<td>
<div style="float: left; font-size: 1.25em">Filters</div>
</td>
<td></td>
<td>
<div id="expandcollapseFilters" class="chevron bottom" title="Click to expand the filter menu" style="float: left"></div>
</td>
</tr>
</table>
</div>
<div id="filtercontent" style="display: none">
<table>
<tr><td colspan="2"><button id="reset">Reset all filters</button></td></tr>
<tr>
<td>
<table>
<tr>
<td style="text-align: right">Date from:</td>
<td>
<input id="dateFrom" class="date"/></td>
<td style="text-align: right">Date to:</td>
<td>
<input id="dateTo" class="date"/></td>
<td>
<button id="dateRangeFilter">Apply Filter</button></td>
</tr>
</table>
</td>
<td></td>
</tr>
</table>
</div>
</div>
<div id="currentlyShowing"><h3>Currently showing: <span class="currentlyShowing">All items</span></h3></div>
<div id="mytimeline"></div>
<div id="loading">loading...</div>
使用Javascript/jQuery的:
<script type="text/javascript">
$("#filterscontainer").on("click", function() {
$('#currentlyShowing').slideToggle('slow');
$('#filtercontent').slideToggle('slow');
if ($("#expandcollapseFilters").prop("class") === "chevron top") {
$('#expandcollapseFilters').prop('collapseFilters', "Click here to collapse the filter menu");
$('#expandcollapseFilters').addClass('bottom').removeClass('top');
} else {
$('#expandcollapseFilters').prop('collapseFilters', "Click to expand the filter menu");
$('#expandcollapseFilters').addClass('top').removeClass('bottom');
}
});
$.ajax({
type: "POST",
url: 'Ajax.asp?RT=RoadMap', data: {},
success: function (data) {
var result = JSON.parse(JSON.parse(JSON.stringify(data)));
document.getElementById('loading').style.display = 'none';
var items = new vis.DataSet(result);
var options = {
orientation: 'top',
groupOrder: 'order',
showCurrentTime: false,
align: 'left',
editable: false,
minHeight: '300px',
min: new Date(2016, 0, 1), // lower limit of visible range
max: new Date(2018, 0, 1), // upper limit of visible range
zoomMin: 1000 * 60 * 60 * 24 * 7, // one week in milliseconds
zoomMax: 1000 * 60 * 60 * 24 * 365 // about a year
};
var container = document.getElementById('mytimeline');
var timeline = new vis.Timeline(container, items, options);
document.getElementById('dateRangeFilter').onclick = function() {
var dateFrom = $("#dateFrom").val();
var dateTo = $("#dateTo").val();
if (dateFrom.length < 1 || dateTo.length < 1 || dateFrom > dateTo) { //checking if the date to date is after the from date
alert("Please select a valid date range");
} else { //converting the resturn results to a date format accepted by timeline
var dateFromDay = dateFrom.substr(0, 2);
var dateFromMonth = dateFrom.substr(3, 2);
var dateFromYear = dateFrom.substr(6, 4);
var dateToDay = dateTo.substr(0, 2);
var dateToMonth = dateTo.substr(3, 2);
var dateToYear = dateTo.substr(6, 4);
timeline.setWindow(dateFromMonth + "-" + dateFromDay + "-" + dateToYear, dateToMonth + "-" + dateToDay + "-" + dateToYear);
}
};
}
});
$().ready(function() {
$("#reset").on("click", function() {
$.datepicker._clearDate("#dateFrom");
$.datepicker._clearDate("#dateTo");
});
$("#dateFrom").datepicker({
beforeShowDay: $.datepicker.noWeekends,
dateFormat: "dd/mm/yy"
});
$("#dateTo").datepicker({
beforeShowDay: $.datepicker.noWeekends,
dateFormat: "dd/mm/yy"
});
});
</script>