hcornet
506716e703
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66 lines
2.7 KiB
JavaScript
66 lines
2.7 KiB
JavaScript
/* remove user provided filter */
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function removeFilter(clickedObject) {
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console.log("removeFilter")
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let inputObject = $(clickedObject)
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.parents("table")
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.find("input")[$(clickedObject).parents("th").index()]
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inputObject.value=""; // Clear input
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$(inputObject).trigger("change"); // trigger change event
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}
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/* add a text input to each column of a given datatable to allow filtering */
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function addFilterFields(tableId){
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$('#' + tableId + ' thead tr')
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.clone(true)
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.addClass('filters')
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.appendTo('#' + tableId + ' thead');
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}
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/* callback function to activate filtering on a datatable */
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function tableFiltering(api, table_anchor, exclude_columns=[]) {
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// For each column
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api
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.columns()
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.eq(0)
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.each(function (colIdx) {
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// Set the header cell to contain the input element
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var cell = $('#'+table_anchor+' .filters th').eq(
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$(api.column(colIdx).header()).index()
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);
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if (exclude_columns.includes(colIdx)) {
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$(cell).html('<div class="form-group has-feedback" style="display: none;"><input type="text" class="form-control" placeholder="Filter"><i class="fas fa-times-circle form-control-feedback" onclick="removeFilter(this);"></i></div>');
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return;
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}
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$(cell).html('<div class="form-group has-feedback"><input type="text" class="form-control" placeholder="Filter"><i class="fas fa-times-circle form-control-feedback" onclick="removeFilter(this);"></i></div>');
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// On every keypress in this input
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$(
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'input',
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$('#'+table_anchor+' .filters th').eq($(api.column(colIdx).header()).index())
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)
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.off('keyup change')
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.on('keyup change', function (e) {
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e.stopPropagation();
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// Get the search value
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$(this).attr('title', $(this).val());
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var regexr = '({search})';
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var cursorPosition = this.selectionStart;
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// Search the column for that value
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api
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.column(colIdx)
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.search(
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this.value != ''
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? regexr.replace('{search}', '(((' + this.value + ')))')
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: '',
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this.value != '',
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this.value == ''
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)
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.draw();
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$(this)
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.focus()[0]
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.setSelectionRange(cursorPosition, cursorPosition);
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});
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});
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} |