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Pager: modify & add to widget the code from issue #711

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This commit is contained in:
Mottie 2014-09-17 01:45:27 -05:00
parent 195f4fca77
commit 2d81e3e8f3
2 changed files with 140 additions and 43 deletions
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105
addons/pager/jquery.tablesorter.pager.js
View File

@ -132,6 +132,7 @@
},
updatePageDisplay = function(table, p, completed) {
if ( !p.initialized || completed !== true ) { return; }
var i, pg, s, $out, regex,
c = table.config,
f = c.$table.hasClass('hasFilters'),
@ -187,39 +188,11 @@
if ($out.length) {
$out[ ($out[0].tagName === 'INPUT') ? 'val' : 'html' ](s);
if ( p.$goto.length ) {
t = '';
pg = Math.min( p.totalPages, p.filteredPages );
// Filter the options page number link array if it's larger than 'maxOptionSize'
// as large page set links will slow the browser on large dom inserts
var skip_set_size = Math.floor(pg / p.maxOptionSize),
large_collection = pg > p.maxOptionSize,
current_page = p.page + 1,
start_page = 1,
end_page = pg,
option_pages = [];
//construct default options pages array
var option_pages_start_page = (large_collection && current_page == 1) ? skip_set_size : 1;
for (i = option_pages_start_page; i <= pg;) {
option_pages.push(i);
i = large_collection ? i + skip_set_size : i++;
}
if (large_collection) {
var central_focus_size = Math.floor(p.maxOptionSize / 2) - 1,
lower_focus_window = Math.abs(Math.floor(current_page - central_focus_size/2)),
focus_option_pages = [];
start_page = Math.min(current_page, lower_focus_window);
end_page = start_page + central_focus_size;
//construct an array to get a focus set around the current page
for (i = start_page; i <= end_page ; i++) focus_option_pages.push(i);
var insert_index = Math.floor(option_pages.length / 2) - Math.floor(focus_option_pages.length / 2);
Array.prototype.splice.apply(option_pages, [ insert_index, focus_option_pages.length ].concat(focus_option_pages));
option_pages.sort(function sortNumber(a,b) { return a - b; });
}
for ( i = 0; i < option_pages.length; i++) {
t += '<option>' + option_pages[i] + '</option>';
}
p.$goto[0].innerHTML = t;
p.$goto[0].value = current_page;
t = '<option>' + buildPageSelect(p).join('</option><option>') + '</option>';
p.$goto.each(function(){
this.innerHTML = t;
this.value = p.page + 1;
});
}
// rebind startRow/page inputs
$out.find('.ts-startRow, .ts-page').unbind('change').bind('change', function(){
@ -242,6 +215,66 @@
}
},
buildPageSelect = function(p) {
// Filter the options page number link array if it's larger than 'maxOptionSize'
// as large page set links will slow the browser on large dom inserts
var i, central_focus_size, lower_focus_window, focus_option_pages, insert_index, option_length, focus_length,
pg = Math.min( p.totalPages, p.filteredPages ),
// make skip set size multiples of 5
skip_set_size = Math.ceil( ( pg / p.maxOptionSize ) / 5 ) * 5,
large_collection = pg > p.maxOptionSize,
current_page = p.page + 1,
start_page = skip_set_size,
end_page = pg - skip_set_size,
option_pages = [1],
// construct default options pages array
option_pages_start_page = (large_collection) ? skip_set_size : 1;
for ( i = option_pages_start_page; i <= pg; ) {
option_pages.push(i);
i = i + ( large_collection ? skip_set_size : 1 );
}
option_pages.push(pg);
if (large_collection) {
focus_option_pages = [];
// don't allow central focus size to be > 5 on either side of current page
central_focus_size = Math.max( Math.floor( p.maxOptionSize / skip_set_size ) - 1, 5 );
start_page = current_page - central_focus_size;
if (start_page < 1) { start_page = 1; }
end_page = current_page + central_focus_size;
if (end_page > pg) { end_page = pg; }
// construct an array to get a focus set around the current page
for (i = start_page; i <= end_page ; i++) {
focus_option_pages.push(i);
}
// keep unique values
option_pages = $.grep(option_pages, function(value, indx) {
return $.inArray(value, option_pages) === indx;
});
option_length = option_pages.length;
focus_length = focus_option_pages.length;
// make sure at all option_pages aren't replaced
if (option_length - focus_length > skip_set_size / 2 && option_length + focus_length > p.maxOptionSize ) {
insert_index = Math.floor(option_length / 2) - Math.floor(focus_length / 2);
Array.prototype.splice.apply(option_pages, [ insert_index, focus_length ]);
}
option_pages = option_pages.concat(focus_option_pages);
}
// keep unique values again
option_pages = $.grep(option_pages, function(value, indx) {
return $.inArray(value, option_pages) === indx;
})
.sort(function(a,b) { return a - b; });
return option_pages;
},
fixHeight = function(table, p) {
var d, h,
c = table.config,
@ -418,7 +451,7 @@
p.last.totalRows = p.totalRows;
p.last.currentFilters = p.currentFilters;
p.last.sortList = (c.sortList || []).join(',');
updatePageDisplay(table, p);
updatePageDisplay(table, p, true);
fixHeight(table, p);
$t.trigger('updateCache', [function(){
if (p.initialized) {
@ -560,7 +593,7 @@
}
ts.processTbody(table, $tb, false);
}
updatePageDisplay(table, p);
updatePageDisplay(table, p, true);
if ( !p.isDisabled ) { fixHeight(table, p); }
if (table.isUpdating) {
$t.trigger('updateComplete', [ table, true ]);
@ -827,7 +860,7 @@
// make a copy of all table rows once the cache has been built
updateCache(table);
}
updatePageDisplay(table, p);
updatePageDisplay(table, p, true);
hideRows(table, p);
})
.bind('pageSize.pager', function(e,v){

78
js/widgets/widget-pager.js
View File

@ -26,6 +26,9 @@ ts.addWidget({
// Number of visible rows
pager_size: 10,
// Number of options to include in the pager number selector
pager_maxOptionSize: 20,
// Save pager page & size if the storage script is loaded (requires $.tablesorter.storage in jquery.tablesorter.widgets.js)
pager_savePages: true,
@ -400,16 +403,15 @@ tsp = ts.pager = {
}
return extra.length > 1 && data && data[extra[0]] ? data[extra[0]][extra[1]] : p[str] || (data ? data[str] : deflt) || deflt;
});
if ($out.length) {
$out[ ($out[0].tagName === 'INPUT') ? 'val' : 'html' ](s);
if ( p.$goto.length ) {
t = '';
pg = Math.min( p.totalPages, p.filteredPages );
for ( i = 1; i <= pg; i++ ) {
t += '<option>' + i + '</option>';
}
p.$goto[0].innerHTML = t;
p.$goto[0].value = p.page + 1;
t = '<option>' + tsp.buildPageSelect(p, c).join('</option><option>') + '</option>';
p.$goto.each(function(){
this.innerHTML = t;
this.value = p.page + 1;
});
}
// rebind startRow/page inputs
$out.find('.ts-startRow, .ts-page').unbind('change').bind('change', function(){
@ -432,6 +434,68 @@ tsp = ts.pager = {
}
},
buildPageSelect: function(p, c) {
// Filter the options page number link array if it's larger than 'pager_maxOptionSize'
// as large page set links will slow the browser on large dom inserts
var i, central_focus_size, lower_focus_window, focus_option_pages, insert_index, option_length, focus_length,
wo = c.widgetOptions,
pg = Math.min( p.totalPages, p.filteredPages ),
// make skip set size multiples of 5
skip_set_size = Math.ceil( ( pg / wo.pager_maxOptionSize ) / 5 ) * 5,
large_collection = pg > wo.pager_maxOptionSize,
current_page = p.page + 1,
start_page = skip_set_size,
end_page = pg - skip_set_size,
option_pages = [1],
// construct default options pages array
option_pages_start_page = (large_collection) ? skip_set_size : 1;
for ( i = option_pages_start_page; i <= pg; ) {
option_pages.push(i);
i = i + ( large_collection ? skip_set_size : 1 );
}
option_pages.push(pg);
if (large_collection) {
focus_option_pages = [];
// don't allow central focus size to be > 5 on either side of current page
central_focus_size = Math.max( Math.floor( wo.pager_maxOptionSize / skip_set_size ) - 1, 5 );
start_page = current_page - central_focus_size;
if (start_page < 1) { start_page = 1; }
end_page = current_page + central_focus_size;
if (end_page > pg) { end_page = pg; }
// construct an array to get a focus set around the current page
for (i = start_page; i <= end_page ; i++) {
focus_option_pages.push(i);
}
// keep unique values
option_pages = $.grep(option_pages, function(value, indx) {
return $.inArray(value, option_pages) === indx;
});
option_length = option_pages.length;
focus_length = focus_option_pages.length;
// make sure at all option_pages aren't replaced
if (option_length - focus_length > skip_set_size / 2 && option_length + focus_length > wo.pager_maxOptionSize ) {
insert_index = Math.floor(option_length / 2) - Math.floor(focus_length / 2);
Array.prototype.splice.apply(option_pages, [ insert_index, focus_length ]);
}
option_pages = option_pages.concat(focus_option_pages);
}
// keep unique values again
option_pages = $.grep(option_pages, function(value, indx) {
return $.inArray(value, option_pages) === indx;
})
.sort(function(a,b) { return a - b; });
return option_pages;
},
fixHeight: function(table, c) {
var d, h,
p = c.pager,