tablesorter/js/widgets/widget-grouping.js
2016-09-01 11:46:28 -05:00

355 lines
14 KiB
JavaScript

/*! Widget: grouping - updated 9/1/2016 (v2.27.6) *//*
* 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) +
'" 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 );
}
}
}
}
},
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 ( $.isFunction( wo.group_formatter ) ) {
data.currentGroup = wo.group_formatter( ( data.group || '' ).toString(), data.column, c.table, c, wo, data ) || data.group;
}
data.$row.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);