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media/jquery/tablesorter-master/js/widgets/widget-grouping.js

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/*! Widget: grouping - updated 9/27/2017 (v2.29.0) *//*
 * Requires tablesorter v2.8+ and jQuery 1.7+
 * by Rob Garrison
 */
/*jshint browser:true, jquery:true, unused:false */
/*global jQuery: false */
;(function($){
    'use strict';
    var ts = $.tablesorter,

    tsg = ts.grouping = {

        types : {
            number : function(c, $column, txt, num) {
                var word, result,
                    ascSort = $column.hasClass( ts.css.sortAsc );
                if ( num > 1 && txt !== '' ) {
                    if ( ascSort ) {
                        result = Math.floor( parseFloat( txt ) / num ) * num;
                    } else {
                        result = Math.ceil( parseFloat( txt ) / num ) * num;
                    }
                    // show range
                    result += ' - ' + ( result + ( num - 1 ) * ( ascSort ? 1 : -1 ) );
                } else {
                    result = parseFloat( txt ) || txt;
                }
                return result;
            },
            separator : function(c, $column, txt, num) {
                var word = (txt + '').split(c.widgetOptions.group_separator);
                // return $.trim(word && num > 0 && word.length >= num ? word[(num || 1) - 1] : '');
                return $.trim( word[ num - 1 ] || '' );
            },
            text : function( c, $column, txt ) {
                return txt;
            },
            word : function(c, $column, txt, num) {
                var word = (txt + ' ').match(/\w+/g) || [];
                // return word && word.length >= num ? word[num - 1] : txt || '';
                return word[ num - 1 ] || '';
            },
            letter : function(c, $column, txt, num) {
                return txt ? (txt + ' ').substring(0, num) : '';
            },
            date : function(c, $column, txt, part, group) {
                var year, month,
                    wo = c.widgetOptions,
                    time = new Date(txt || '');
                // check for valid date
                if ( time instanceof Date && isFinite( time ) ) {
                    year = time.getFullYear();
                    month = tsg.findMonth( wo, time.getMonth() );
                    return part === 'year' ? year :
                        part === 'month' ? month :
                        part === 'monthyear' ?  month + ' ' + year :
                        part === 'day' ? month + ' ' + time.getDate() :
                        part === 'week' ? tsg.findWeek( wo, time.getDay() ) :
                        part === 'time' ? tsg.findTime( wo, time ) :
                        part === 'hour' ? tsg.findTime( wo, time, 'hour' ) :
                        wo.group_dateString( time, c, $column );
                } else {
                    return wo.group_dateInvalid;
                }
            }
        },

        // group date type functions to allow using this widget with Globalize
        findMonth : function( wo, month ) {
            // CLDR returns an object { 1: "Jan", 2: "Feb", 3: "Mar", ..., 12: "Dec" }
            return wo.group_months[ month + ( ( wo.group_months[0] || '' ) === '' ? 1 : 0 ) ];
        },
        findWeek : function( wo, day ) {
            if ( $.isArray( wo.group_week ) ) {
                return wo.group_week[ day ];
            } else if ( !$.isEmptyObject( wo.group_week ) ) {
                // CLDR returns { sun: "Sun", mon: "Mon", tue: "Tue", wed: "Wed", thu: "Thu", ... }
                var cldrWeek = [ 'sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat' ];
                return wo.group_week[ cldrWeek[ day ] ];
            }
        },
        findTime : function( wo, time, part ) {
            var suffix,
                // CLDR returns { am: "AM", pm: "PM", ... }
                isObj = wo.group_time.am && wo.group_time.pm,
                h = time.getHours(),
                period = h >= 12 ? 1 : 0,
                p24 = wo.group_time24Hour && h > 12 ? h - 12 :
                    wo.group_time24Hour && h === 0 ? h + 12 : h,
                hours = ( '00' + p24 ).slice(-2),
                min = ( '00' + time.getMinutes() ).slice(-2);
            suffix = wo.group_time[ isObj ? [ 'am', 'pm' ][ period ] : period ];
            if ( part === 'hour' ) {
                return hours;
            }
            return hours + ':' + min + ( wo.group_time24Hour ? '' : ' ' + ( suffix || '' ) );
        },

        update : function(table) {
            if ($.isEmptyObject(table.config.cache)) { return; }
            var c = table.config,
                wo = c.widgetOptions,
                hasSort = typeof c.sortList[0] !== 'undefined',
                data = {},
                column = $.isArray( wo.group_forceColumn ) && typeof wo.group_forceColumn[0] !== 'undefined' ?
                    ( wo.group_enforceSort && !hasSort ? -1 : wo.group_forceColumn[0] ) :
                    ( hasSort ? c.sortList[0][0] : -1 );
            c.$table
                .find('tr.group-hidden').removeClass('group-hidden').end()
                .find('tr.group-header').remove();
            if (wo.group_collapsible) {
                // clear pager saved spacer height (in case the rows are collapsed)
                c.$table.data('pagerSavedHeight', 0);
            }
            if (column >= 0 && column < c.columns && !c.$headerIndexed[column].hasClass('group-false')) {
                wo.group_collapsedGroup = ''; // save current groups
                wo.group_collapsedGroups = {};

                data.column = column;
                // group class finds 'group-{word/separator/letter/number/date/false}-{optional:#/year/month/day/week/time}'
                data.groupClass = (c.$headerIndexed[column].attr('class') || '').match(/(group-\w+(-\w+)?)/g);
                // grouping = [ 'group', '{word/separator/letter/number/date/false}', '{#/year/month/day/week/time}' ]
                data.grouping = data.groupClass ? data.groupClass[0].split('-') : [ 'group', 'letter', 1 ]; // default to letter 1

                // save current grouping
                data.savedGroup = tsg.saveCurrentGrouping( c, wo, data );

                // find column groups
                tsg.findColumnGroups( c, wo, data );
                tsg.processHeaders( c, wo, data );

                c.$table.triggerHandler(wo.group_complete);
            }
        },

        processHeaders : function( c, wo, data ) {
            var index, isHidden, $label, name, $rows, $row,
                $headers = c.$table.find( 'tr.group-header' ),
                len = $headers.length;

            $headers.bind( 'selectstart', false );
            for ( index = 0; index < len; index++ ) {
                $row = $headers.eq( index );
                $rows = $row.nextUntil( 'tr.group-header' ).filter( ':visible' );

                // add group count (only visible rows!)
                if ( wo.group_count || $.isFunction( wo.group_callback ) ) {
                    $label = $row.find( '.group-count' );
                    if ( $label.length ) {
                        if ( wo.group_count ) {
                            $label.html( wo.group_count.toString().replace( /\{num\}/g, $rows.length ) );
                        }
                        if ( $.isFunction( wo.group_callback ) ) {
                            wo.group_callback( $row.find( 'td' ), $rows, data.column, c.table );
                        }
                    }
                }
                // save collapsed groups
                if ( wo.group_saveGroups &&
                    !$.isEmptyObject( wo.group_collapsedGroups ) &&
                    wo.group_collapsedGroups[ wo.group_collapsedGroup ].length ) {
                    name = $row.find( '.group-name' ).text().toLowerCase() + $row.attr( 'data-group-index' );
                    isHidden = $.inArray( name, wo.group_collapsedGroups[ wo.group_collapsedGroup ] ) > -1;
                    $row.toggleClass( 'collapsed', isHidden );
                    $rows.toggleClass( 'group-hidden', isHidden );
                } else if ( wo.group_collapsed && wo.group_collapsible ) {
                    $row.addClass( 'collapsed' );
                    $rows.addClass( 'group-hidden' );
                }
            }
        },

        groupHeaderHTML : function( c, wo, data ) {
            var name = ( data.currentGroup || '' ).toString().replace(/</g, '&lt;').replace(/>/g, '&gt;');
            return '<tr class="group-header ' + c.selectorRemove.slice(1) + ' ' +
                // prevent grouping row from being hidden by the columnSelector;
                // classHasSpan option added 2.29.0
                ( wo.columnSelector_classHasSpan || 'hasSpan' ) +
                '" unselectable="on" ' + ( c.tabIndex ? 'tabindex="0" ' : '' ) + 'data-group-index="' +
                data.groupIndex + '">' +
                '<td colspan="' + c.columns + '">' +
                    ( wo.group_collapsible ? '<i/>' : '' ) +
                    '<span class="group-name">' + name + '</span>' +
                    '<span class="group-count"></span>' +
                '</td></tr>';
        },
        saveCurrentGrouping : function( c, wo, data ) {
            // save current grouping
            var saveName, direction,
                savedGroup = false;
            if (wo.group_collapsible && wo.group_saveGroups) {
                wo.group_collapsedGroups = ts.storage && ts.storage( c.table, 'tablesorter-groups' ) || {};
                // include direction when saving groups (reversed numbers shows different range values)
                direction = 'dir' + c.sortList[0][1];
                // combine column, sort direction & grouping as save key
                saveName = wo.group_collapsedGroup = '' + c.sortList[0][0] + direction + data.grouping.join('');
                if (!wo.group_collapsedGroups[saveName]) {
                    wo.group_collapsedGroups[saveName] = [];
                } else {
                    savedGroup = true;
                }
            }
            return savedGroup;
        },
        findColumnGroups : function( c, wo, data ) {
            var tbodyIndex, norm_rows, $row, rowIndex, end, undef,
                hasPager = ts.hasWidget( c.table, 'pager' ),
                p = c.pager || {};
            data.groupIndex = 0;
            for ( tbodyIndex = 0; tbodyIndex < c.$tbodies.length; tbodyIndex++ ) {
                norm_rows = c.cache[ tbodyIndex ].normalized;
                data.group = undef; // clear grouping across tbodies
                rowIndex = hasPager && !p.ajax ? p.startRow - 1 : 0;
                end = hasPager ? p.endRow - ( p.ajax ? p.startRow : 0 ) : norm_rows.length;
                for ( ; rowIndex < end; rowIndex++ ) {
                    data.rowData = norm_rows[ rowIndex ];
                    // fixes #1232 - ajax issue; if endRow > norm_rows.length (after filtering), then data.rowData is undefined
                    if (data.rowData) {
                        data.$row = data.rowData[ c.columns ].$row;
                        // fixes #438
                        if ( data.$row.is( ':visible' ) && tsg.types[ data.grouping[ 1 ] ] ) {
                            tsg.insertGroupHeader( c, wo, data );
                        }
                    }
                }
            }
            if ( ts.hasWidget( c.table, 'columnSelector' ) ) {
                // make sure to handle the colspan adjustments of the grouping rows
                ts.columnSelector.setUpColspan( c, wo );
            }
        },
        insertGroupHeader: function( c, wo, data ) {
            var $header = c.$headerIndexed[ data.column ],
                txt = data.rowData[ data.column ],
                num = /date/.test( data.groupClass ) ? data.grouping[ 2 ] : parseInt( data.grouping[ 2 ] || 1, 10 ) || 1;
            data.currentGroup = data.rowData ?
                tsg.types[ data.grouping[ 1 ] ]( c, $header, txt, num, data.group ) :
                data.currentGroup;
            if ( data.group !== data.currentGroup ) {
                data.group = data.currentGroup;
                if ( $.isFunction( wo.group_formatter ) ) {
                    data.currentGroup = wo.group_formatter( ( data.group || '' ).toString(), data.column, c.table, c, wo, data ) || data.group;
                }
                // add first() for grouping with childRows
                data.$row.first().before( tsg.groupHeaderHTML( c, wo, data ) );
                if ( wo.group_saveGroups && !data.savedGroup && wo.group_collapsed && wo.group_collapsible ) {
                    // all groups start collapsed; data.groupIndex is 1 more than the expected index.
                    wo.group_collapsedGroups[ wo.group_collapsedGroup ].push( data.currentGroup + data.groupIndex );
                }
                data.groupIndex++;
            }
        },

        bindEvents : function(table, c, wo){
            if (wo.group_collapsible) {
                wo.group_collapsedGroups = [];
                // .on() requires jQuery 1.7+
                c.$table.on('click toggleGroup keyup', 'tr.group-header', function(event){
                    event.stopPropagation();
                    // pressing enter will toggle the group
                    if (event.type === 'keyup' && event.which !== 13) { return; }
                    var isCollapsed, $groups, indx,
                        $this = $(this),
                        name = $this.find('.group-name').text().toLowerCase() + $this.attr('data-group-index');
                    // use shift-click to toggle ALL groups
                    if (event.shiftKey && (event.type === 'click' || event.type === 'keyup')) {
                        $this.siblings('.group-header').trigger('toggleGroup');
                    }
                    $this.toggleClass('collapsed');
                    // nextUntil requires jQuery 1.4+
                    $this.nextUntil('tr.group-header').toggleClass('group-hidden', $this.hasClass('collapsed') );
                    isCollapsed = $this.hasClass('collapsed');
                    // reapply zebra widget after opening collapsed group - see #1156
                    if (!isCollapsed && ts.hasWidget(c.$table, 'zebra')) {
                        ts.applyWidgetId(c.$table, 'zebra');
                    }
                    // save collapsed groups
                    if (wo.group_saveGroups && ts.storage) {
                        $groups = c.$table.find('.group-header');
                        if (!wo.group_collapsedGroups[wo.group_collapsedGroup]) {
                            wo.group_collapsedGroups[wo.group_collapsedGroup] = [];
                        }
                        if (isCollapsed && wo.group_collapsedGroup) {
                            wo.group_collapsedGroups[wo.group_collapsedGroup].push( name );
                        } else if (wo.group_collapsedGroup) {
                            indx = $.inArray( name, wo.group_collapsedGroups[wo.group_collapsedGroup]  );
                            if (indx > -1) {
                                wo.group_collapsedGroups[wo.group_collapsedGroup].splice( indx, 1 );
                            }
                        }
                        ts.storage( table, 'tablesorter-groups', wo.group_collapsedGroups );
                    }
                });
            }
            $(wo.group_saveReset).on('click', function(){
                tsg.clearSavedGroups(table);
            });
            c.$table.on('pagerChange.tsgrouping', function(){
                tsg.update(table);
            });
        },

        clearSavedGroups: function(table){
            if (table && ts.storage) {
                ts.storage(table, 'tablesorter-groups', '');
                tsg.update(table);
            }
        }

    };

    ts.addWidget({
        id: 'group',
        priority: 100,
        options: {
            group_collapsible : true, // make the group header clickable and collapse the rows below it.
            group_collapsed   : false, // start with all groups collapsed
            group_saveGroups  : true, // remember collapsed groups
            group_saveReset   : null, // element to clear saved collapsed groups
            group_count       : ' ({num})', // if not false, the '{num}' string is replaced with the number of rows in the group
            group_separator   : '-',  // group name separator; used when group-separator-# class is used.
            group_formatter   : null, // function(txt, column, table, c, wo) { return txt; }
            group_callback    : null, // function($cell, $rows, column, table){}, callback allowing modification of the group header labels
            group_complete    : 'groupingComplete', // event triggered on the table when the grouping widget has finished work

            // apply the grouping widget only to selected column
            group_forceColumn : [],   // only the first value is used; set as an array for future expansion
            group_enforceSort : true, // only apply group_forceColumn when a sort is applied to the table

            // checkbox parser text used for checked/unchecked values
            group_checkbox    : [ 'checked', 'unchecked' ],
            // change these default date names based on your language preferences
            group_months      : [ 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec' ],
            group_week        : [ 'Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday' ],
            group_time        : [ 'AM', 'PM' ],

            // use 12 vs 24 hour time
            group_time24Hour  : false,
            // group header text added for invalid dates
            group_dateInvalid : 'Invalid Date',

            // this function is used when 'group-date' is set to create the date string
            // you can just return date, date.toLocaleString(), date.toLocaleDateString() or d.toLocaleTimeString()
            // reference: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date#Conversion_getter
            group_dateString  : function(date) { return date.toLocaleString(); }
        },
        init: function(table, thisWidget, c, wo){
            tsg.bindEvents(table, c, wo);
        },
        format: function(table, c, wo) {
            tsg.update(table);
        },
        remove : function(table, c, wo){
            c.$table
                .off('click', 'tr.group-header')
                .off('pagerChange.tsgrouping')
                .find('.group-hidden').removeClass('group-hidden').end()
                .find('tr.group-header').remove();
        }
    });

})(jQuery);