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This plugin will add a search filter to tables. When typing in the filter, any rows that do not contain the filter will be hidden.
此脚本不应被直接安装，它是一个供其他脚本使用的外部库。如果您需要使用该库，请在脚本元属性加入：// @require https://update.greasyfork.org/scripts/423931/914633/jqueryfilterTable.js
/**
* jquery.filterTable
*
* This plugin will add a search filter to tables. When typing in the filter,
* any rows that do not contain the filter will be hidden.
*
* Utilizes bindWithDelay() if available. https://github.com/bgrins/bindWithDelay
*
* @version v1.5.7
* @author Sunny Walker, swalker@hawaii.edu
* @license MIT
*/
(function ($) {
var jversion = $.fn.jquery.split('.'),
jmajor = parseFloat(jversion[0]),
jminor = parseFloat(jversion[1]);
// build the pseudo selector for jQuery < 1.8
if (jmajor < 2 && jminor < 8) {
// build the case insensitive filtering functionality as a pseudo-selector expression
$.expr[':'].filterTableFind = function (a, i, m) {
return $(a).text().toUpperCase().indexOf(m[3].toUpperCase().replace(/"""/g, '"').replace(/"\\"/g, "\\")) >= 0;
};
// build the case insensitive all-words filtering functionality as a pseudo-selector expression
$.expr[':'].filterTableFindAny = function (a, i, m) {
// build an array of each non-falsey value passed
var raw_args = m[3].split(/[\s,]/),
args = [];
$.each(raw_args, function (j, v) {
var t = v.replace(/^\s+|\s$/g, '');
if (t) {
args.push(t);
}
});
// if there aren't any non-falsey values to search for, abort
if (!args.length) {
return false;
}
return function (a) {
var found = false;
$.each(args, function (j, v) {
if ($(a).text().toUpperCase().indexOf(v.toUpperCase().replace(/"""/g, '"').replace(/"\\"/g, "\\")) >= 0) {
found = true;
return false;
}
});
return found;
};
};
// build the case insensitive all-words filtering functionality as a pseudo-selector expression
$.expr[':'].filterTableFindAll = function (a, i, m) {
// build an array of each non-falsey value passed
var raw_args = m[3].split(/[\s,]/),
args = [];
$.each(raw_args, function (j, v) {
var t = v.replace(/^\s+|\s$/g, '');
if (t) {
args.push(t);
}
});
// if there aren't any non-falsey values to search for, abort
if (!args.length) {
return false;
}
return function (a) {
// how many terms were found?
var found = 0;
$.each(args, function (j, v) {
if ($(a).text().toUpperCase().indexOf(v.toUpperCase().replace(/"""/g, '"').replace(/"\\"/g, "\\")) >= 0) {
// found another term
found++;
}
});
return found === args.length; // did we find all of them in this cell?
};
};
} else {
// build the pseudo selector for jQuery >= 1.8
$.expr[':'].filterTableFind = jQuery.expr.createPseudo(function (arg) {
return function (el) {
return $(el).text().toUpperCase().indexOf(arg.toUpperCase().replace(/"""/g, '"').replace(/"\\"/g, "\\")) >= 0;
};
});
$.expr[':'].filterTableFindAny = jQuery.expr.createPseudo(function (arg) {
// build an array of each non-falsey value passed
var raw_args = arg.split(/[\s,]/),
args = [];
$.each(raw_args, function (i, v) {
// trim the string
var t = v.replace(/^\s+|\s$/g, '');
if (t) {
args.push(t);
}
});
// if there aren't any non-falsey values to search for, abort
if (!args.length) {
return false;
}
return function (el) {
var found = false;
$.each(args, function (i, v) {
if ($(el).text().toUpperCase().indexOf(v.toUpperCase().replace(/"""/g, '"').replace(/"\\"/g, "\\")) >= 0) {
found = true;
// short-circuit the searching since this cell has one of the terms
return false;
}
});
return found;
};
});
$.expr[':'].filterTableFindAll = jQuery.expr.createPseudo(function (arg) {
// build an array of each non-falsey value passed
var raw_args = arg.split(/[\s,]/),
args = [];
$.each(raw_args, function (i, v) {
// trim the string
var t = v.replace(/^\s+|\s$/g, '');
if (t) {
args.push(t);
}
});
// if there aren't any non-falsey values to search for, abort
if (!args.length) {
return false;
}
return function (el) {
// how many terms were found?
var found = 0;
$.each(args, function (i, v) {
if ($(el).text().toUpperCase().indexOf(v.toUpperCase().replace(/"""/g, '"').replace(/"\\"/g, "\\")) >= 0) {
// found another term
found++;
}
});
// did we find all of them in this cell?
return found === args.length;
};
});
}
// define the filterTable plugin
$.fn.filterTable = function (options) {
// start off with some default settings
var defaults = {
// make the filter input field autofocused (not recommended for accessibility)
autofocus: false,
// callback function: function (term, table){}
callback: null,
// class to apply to the container
containerClass: 'filter-table',
// tag name of the container
containerTag: 'p',
// jQuery expression method to use for filtering
filterExpression: 'filterTableFind',
// if true, the table's tfoot(s) will be hidden when the table is filtered
hideTFootOnFilter: false,
// class applied to cells containing the filter term
highlightClass: 'alt',
// don't filter the contents of cells with this class
ignoreClass: '',
// don't filter the contents of these columns
ignoreColumns: [],
// use the element with this selector for the filter input field instead of creating one
inputSelector: null,
// name of filter input field
inputName: '',
// tag name of the filter input tag
inputType: 'search',
// text to precede the filter input tag
label: 'Filter:',
// filter only when at least this number of characters are in the filter input field
minChars: 1,
// don't show the filter on tables with at least this number of rows
minRows: 8,
// HTML5 placeholder text for the filter field
placeholder: 'search this table',
// prevent the return key in the filter input field from trigger form submits
preventReturnKey: true,
// list of phrases to quick fill the search
quickList: [],
// class of each quick list item
quickListClass: 'quick',
// quick list item label to clear the filter (e.g., '× Clear filter')
quickListClear: '',
// tag surrounding quick list items (e.g., ul)
quickListGroupTag: '',
// tag type of each quick list item (e.g., a or li)
quickListTag: 'a',
// class applied to visible rows
visibleClass: 'visible'
},
// mimic PHP's htmlspecialchars() function
hsc = function (text) {
return text.replace(/&/g, '&').replace(/"/g, '"').replace(/</g, '<').replace(/>/g, '>');
},
// merge the user's settings into the defaults
settings = $.extend({}, defaults, options);
// handle the actual table filtering
var doFiltering = function (table, q) {
// cache the tbody element
var tbody = table.find('tbody');
// if the filtering query is blank or the number of chars is less than the minChars option
if (q === '' || q.length < settings.minChars) {
// show all rows
tbody.find('tr').show().addClass(settings.visibleClass);
// remove the row highlight from all cells
tbody.find('td').removeClass(settings.highlightClass);
// show footer if the setting was specified
if (settings.hideTFootOnFilter) {
table.find('tfoot').show();
}
} else {
// if the filter query is not blank
var all_tds = tbody.find('td');
// hide all rows, assuming none were found
tbody.find('tr').hide().removeClass(settings.visibleClass);
// remove previous highlights
all_tds.removeClass(settings.highlightClass);
// hide footer if the setting was specified
if (settings.hideTFootOnFilter) {
table.find('tfoot').hide();
}
if (settings.ignoreColumns.length) {
var tds = [];
if (settings.ignoreClass) {
all_tds = all_tds.not('.' + settings.ignoreClass);
}
tds = all_tds.filter(':' + settings.filterExpression + '("' + q + '")');
tds.each(function () {
var t = $(this),
col = t.parent().children().index(t);
if ($.inArray(col, settings.ignoreColumns) === -1) {
t.addClass(settings.highlightClass).closest('tr').show().addClass(settings.visibleClass);
}
});
} else {
if (settings.ignoreClass) {
all_tds = all_tds.not('.' + settings.ignoreClass);
}
// highlight (class=alt) only the cells that match the query and show their rows
all_tds.filter(':' + settings.filterExpression + '("' + q + '")').addClass(settings.highlightClass).closest('tr').show().addClass(settings.visibleClass);
}
}
// call the callback function
if (settings.callback) {
settings.callback(q, table);
}
}; // doFiltering()
return this.each(function () {
// cache the table
var t = $(this),
// cache the tbody
tbody = t.find('tbody'),
// placeholder for the filter field container DOM node
container = null,
// placeholder for the quick list items
quicks = null,
// placeholder for the field field DOM node
filter = null,
// was the filter created or chosen from an existing element?
created_filter = true;
// only if object is a table and there's a tbody and at least minRows trs and hasn't already had a filter added
if (t[0].nodeName === 'TABLE' && tbody.length > 0 && (settings.minRows === 0 || (settings.minRows > 0 && tbody.find('tr').length >= settings.minRows)) && !t.prev().hasClass(settings.containerClass)) {
// use a single existing field as the filter input field
if (settings.inputSelector && $(settings.inputSelector).length === 1) {
filter = $(settings.inputSelector);
// container to hold the quick list options
container = filter.parent();
created_filter = false;
} else {
// create the filter input field (and container)
// build the container tag for the filter field
container = $('<' + settings.containerTag + ' />');
// add any classes that need to be added
if (settings.containerClass !== '') {
container.addClass(settings.containerClass);
}
// add the label for the filter field
container.prepend(settings.label + ' ');
// build the filter field
filter = $('<input type="' + settings.inputType + '" placeholder="' + settings.placeholder + '" name="' + settings.inputName + '" />');
// prevent return in the filter field from submitting any forms
if (settings.preventReturnKey) {
filter.on('keydown', function (ev) {
if ((ev.keyCode || ev.which) === 13) {
ev.preventDefault();
return false;
}
});
}
}
// add the autofocus attribute if requested
if (settings.autofocus) {
filter.attr('autofocus', true);
}
// does bindWithDelay() exist?
if ($.fn.bindWithDelay) {
// bind doFiltering() to keyup (delayed)
filter.bindWithDelay('keyup', function () {
doFiltering(t, $(this).val());
}, 200);
} else {
// just bind to onKeyUp
// bind doFiltering() to keyup
filter.bind('keyup', function () {
doFiltering(t, $(this).val());
});
}
// bind doFiltering() to additional events
filter.bind('click search input paste blur', function () {
doFiltering(t, $(this).val());
});
// add the filter field to the container if it was created by the plugin
if (created_filter) {
container.append(filter);
}
// are there any quick list items to add?
if (settings.quickList.length > 0 || settings.quickListClear) {
quicks = settings.quickListGroupTag ? $('<' + settings.quickListGroupTag + ' />') : container;
// for each quick list item...
$.each(settings.quickList, function (index, value) {
// build the quick list item link
var q = $('<' + settings.quickListTag + ' class="' + settings.quickListClass + '" />');
// add the item's text
q.text(hsc(value));
if (q[0].nodeName === 'A') {
// add a (worthless) href to the item if it's an anchor tag so that it gets the browser's link treatment
q.attr('href', '#');
}
// bind the click event to it
q.bind('click', function (e) {
// stop the normal anchor tag behavior from happening
e.preventDefault();
// send the quick list value over to the filter field and trigger the event
filter.val(value).focus().trigger('click');
});
// add the quick list link to the quick list groups container
quicks.append(q);
});
// add the quick list clear item if a label has been specified
if (settings.quickListClear) {
// build the clear item
var q = $('<' + settings.quickListTag + ' class="' + settings.quickListClass + '" />');
// add the label text
q.html(settings.quickListClear);
if (q[0].nodeName === 'A') {
// add a (worthless) href to the item if it's an anchor tag so that it gets the browser's link treatment
q.attr('href', '#');
}
// bind the click event to it
q.bind('click', function (e) {
e.preventDefault();
// clear the quick list value and trigger the event
filter.val('').focus().trigger('click');
});
// add the clear item to the quick list groups container
quicks.append(q);
}
// add the quick list groups container to the DOM if it isn't already there
if (quicks !== container) {
container.append(quicks);
}
}
// add the filter field and quick list container to just before the table if it was created by the plugin
if (created_filter) {
t.before(container);
}
}
}); // return this.each
}; // $.fn.filterTable
})(jQuery);