znt/module/chart/js/common.js

152 lines
4.3 KiB
JavaScript

/**
* Ajax get chart data.
*
* @access public
* @return bool
*/
function ajaxGetChart(check = true, chart = DataStorage.chart, echart = window.echart, noDataDom = window.noDataDom)
{
var chartParams = JSON.parse(JSON.stringify(chart));
if(typeof DataStorage != 'undefined') chartParams.fieldSettings = JSON.parse(JSON.stringify(DataStorage.fieldSettings));
if(typeof DataStorage != 'undefined') chartParams.langs = JSON.parse(JSON.stringify(DataStorage.langs));
/* Redraw echart. */
/* 拿数据并重绘图表。*/
$.post(createLink('chart', 'ajaxGetChart'), chartParams, function(resp)
{
var data = JSON.parse(resp);
if(echart)
{
var type = chartParams.settings[0].type;
if(type == 'waterpolo')
{
data.series[0].label.formatter = function(params) { return (params.value * 100).toFixed(2) + '%';};
data.tooltip.formatter = function(params) { return (params.value * 100).toFixed(2) + '%';};
}
if(canLabelRotate.includes(type))
{
if(!data.xAxis.axisLabel) data.xAxis.axisLabel = {};
if(!data.yAxis.axisLabel) data.yAxis.axisLabel = {};
var labelFormatter = function(value)
{
value = value.toString();
return (value.length <= labelMaxLength) ? value : value.substring(0, labelMaxLength) + '...';
}
data.xAxis.axisLabel.formatter = labelFormatter;
data.yAxis.axisLabel.formatter = labelFormatter;
}
echart.resize();
echart.clear();
if(isChartHaveData(data, type))
{
echart.setOption(data, true);
$('.btn-export').removeClass('hidden');
noDataDom.addClass('hidden');
}
else
{
noDataDom.removeClass('hidden');
}
}
});
}
/**
* Determine whether the returned data is available.
*
* @access public
* @return bool
*/
function isChartHaveData(dataInfo, type)
{
if(type == 'waterpolo') return true;
var data = [];
if(type == 'pie') data = dataInfo.series[0].data;
if(type == 'line') data = dataInfo.xAxis.data;
if(type == 'radar') data = dataInfo.radar.indicator;
if(type == 'cluBarY' || type == 'stackedBarY') data = dataInfo.yAxis.data;
if(type == 'cluBarX' || type == 'stackedBar') data = dataInfo.xAxis.data;
return data.length;
}
function resizeChart()
{
var filterHeight = $('.main-col .cell #filterContent').height();
$('.main-col .cell #draw').css('height', 'calc(100% - ' + (filterHeight + 16) + 'px)')
if(echart)
{
echart.resize();
}
}
function waitForRepaint(callback)
{
window.requestAnimationFrame(function()
{
window.requestAnimationFrame(callback);
});
}
/**
* Init picker.
*
* @access public
* @return void
*/
function initPicker($row, pickerName = 'picker-select', onready = false)
{
$row.find('.' + pickerName).picker(
{
maxDropHeight: pickerHeight,
onReady: function()
{
if(!onready) return;
if(!$row.find('.picker')) return;
if(window.getComputedStyle($row.find('.picker').find('.picker-selections')[0]).getPropertyValue('width') !== 'auto')
{
var pickerWidth = $row.find('.picker')[0].getBoundingClientRect().width;
$row.find('.picker').find('.picker-selections').css('width', pickerWidth);
}
}
});
$row.find("." + pickerName).each(function(index)
{
if($(this).hasClass('required')) $(this).siblings("div .picker").addClass('required');
});
}
/**
* Init datepicker.
*
* @param object $obj
* @param function callback
* @access public
* @return void
*/
function initDatepicker($obj, callback)
{
$obj.find('.form-date').datepicker();
$obj.find('.form-datetime').datetimepicker();
if(typeof callback == 'function') callback($obj);
}
/**
* Attr date check.
*
* @param object $obj
* @access public
* @return void
*/
function attrDateCheck($obj)
{
$obj.find('.form-date').attr('onchange', 'checkDate(this, this.value)');
$obj.find('.form-datetime').attr('onchange', 'checkDate(this, this.value)');
}