vaeThink2/public/static/admin_static/lib/jquery.bsgrid/sources/js/grid.paging.js

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2020-04-01 11:45:12 +08:00
/**
* jQuery.bsgrid v1.38 by @Baishui2004
* Copyright 2014 Apache v2 License
* https://github.com/baishui2004/jquery.bsgrid
*/
/**
* require common.js.
*
* @author Baishui2004
* @Date August 31, 2014
*/
(function ($) {
$.fn.bsgrid_paging = {
// defaults settings
defaults: {
loopback: false, // if true, page 1 prev then totalPages, totalPages next then 1
pageSize: 20, // page size
pageSizeSelect: false, // if display pageSize select option
pageSizeForGrid: [5, 10, 20, 25, 50, 100, 200, 500], // pageSize select option
pageIncorrectTurnAlert: true, // if turn incorrect page alert(firstPage, prevPage, nextPage, lastPage)
pagingLittleToolbar: false, // if display paging little toolbar
pagingBtnClass: 'pagingBtn', // paging toolbar button css class
pagingMinWidth: 'auto', // paging toolbar min-width, 'auto' means min-width by grid.paging.css, value example '300px'
pagingBtnShowState: { // paging button show state, default show all
select: true,
first: true,
prev: true,
next: true,
last: true,
gotoBtn: true, // goto is keyword
refresh: true
}
},
pagingObjs: {},
/**
* init paging.
*/
init: function (pagingId, settings) {
var options = {
settings: $.extend(true, {}, $.fn.bsgrid_paging.defaults, settings),
pagingId: pagingId,
totalRowsId: pagingId + '_totalRows',
totalPagesId: pagingId + '_totalPages',
curPageId: pagingId + '_curPage',
gotoPageInputId: pagingId + '_gotoPageInput',
gotoPageId: pagingId + '_gotoPage',
refreshPageId: pagingId + '_refreshPage',
pageSizeId: pagingId + '_pageSize',
firstPageId: pagingId + '_firstPage',
prevPageId: pagingId + '_prevPage',
nextPageId: pagingId + '_nextPage',
lastPageId: pagingId + '_lastPage',
startRowId: pagingId + '_startRow',
endRowId: pagingId + '_endRow',
totalRows: 0,
totalPages: 0,
curPage: 1,
curPageRowsNum: 0,
startRow: 0,
endRow: 0
};
if (settings.pageSizeForGrid != undefined) {
options.settings.pageSizeForGrid = settings.pageSizeForGrid;
}
var pagingObj = {
options: options,
page: function (curPage) {
$.fn.bsgrid_paging.page(curPage, options);
},
getCurPage: function () {
return $.fn.bsgrid_paging.getCurPage(options);
},
refreshPage: function () {
$.fn.bsgrid_paging.refreshPage(options);
},
firstPage: function () {
$.fn.bsgrid_paging.firstPage(options);
},
prevPage: function () {
$.fn.bsgrid_paging.prevPage(options);
},
nextPage: function () {
$.fn.bsgrid_paging.nextPage(options);
},
lastPage: function () {
$.fn.bsgrid_paging.lastPage(options);
},
gotoPage: function (goPage) {
$.fn.bsgrid_paging.gotoPage(options, goPage);
},
createPagingToolbar: function () {
return $.fn.bsgrid_paging.createPagingToolbar(options);
},
setPagingToolbarEvents: function () {
$.fn.bsgrid_paging.setPagingToolbarEvents(options);
},
dynamicChangePagingButtonStyle: function () {
$.fn.bsgrid_paging.dynamicChangePagingButtonStyle(options);
},
setPagingValues: function (curPage, totalRows) {
$.fn.bsgrid_paging.setPagingValues(curPage, totalRows, options);
}
};
// store mapping paging id to pagingObj
$.fn.bsgrid_paging.pagingObjs[pagingId] = pagingObj;
$('#' + pagingId).append(pagingObj.createPagingToolbar());
// page size select
if (options.settings.pageSizeSelect) {
if ($.inArray(options.settings.pageSize, options.settings.pageSizeForGrid) == -1) {
options.settings.pageSizeForGrid.push(options.settings.pageSize);
}
options.settings.pageSizeForGrid.sort(function (a, b) {
return a - b;
});
var optionsSb = new StringBuilder();
for (var i = 0; i < options.settings.pageSizeForGrid.length; i++) {
var pageVal = options.settings.pageSizeForGrid[i];
optionsSb.append('<option value="' + pageVal + '">' + pageVal + '</option>');
}
$('#' + options.pageSizeId).html(optionsSb.toString()).val(options.settings.pageSize);
}
pagingObj.setPagingToolbarEvents();
return pagingObj;
},
getPagingObj: function (pagingId) {
var obj = $.fn.bsgrid_paging.pagingObjs[pagingId];
return obj ? obj : null;
},
page: function (curPage, options) {
var gridObj = $.fn.bsgrid.getGridObj(options.settings.gridId);
gridObj.options.settings.pageSize = options.settings.pageSize;
$.fn.bsgrid.page(curPage, gridObj.options);
},
getCurPage: function (options) {
var curPage = $('#' + options.curPageId).html();
return curPage == '' ? 1 : curPage;
},
refreshPage: function (options) {
$.fn.bsgrid_paging.page($.fn.bsgrid_paging.getCurPage(options), options);
},
firstPage: function (options) {
var curPage = $.fn.bsgrid_paging.getCurPage(options);
if (curPage <= 1) {
$.fn.bsgrid_paging.incorrectTurnAlert(options, $.bsgridLanguage.isFirstPage);
return;
}
$.fn.bsgrid_paging.page(1, options);
},
prevPage: function (options) {
var curPage = $.fn.bsgrid_paging.getCurPage(options);
if (curPage <= 1) {
if (options.settings.loopback && options.totalPages > 0) {
$.fn.bsgrid_paging.page(options.totalPages, options);
return;
} else {
$.fn.bsgrid_paging.incorrectTurnAlert(options, $.bsgridLanguage.isFirstPage);
return;
}
}
$.fn.bsgrid_paging.page(parseInt(curPage) - 1, options);
},
nextPage: function (options) {
var curPage = $.fn.bsgrid_paging.getCurPage(options);
if (curPage >= options.totalPages) {
if (options.settings.loopback && curPage > 0) {
$.fn.bsgrid_paging.page(1, options);
return;
} else {
$.fn.bsgrid_paging.incorrectTurnAlert(options, $.bsgridLanguage.isLastPage);
return;
}
}
$.fn.bsgrid_paging.page(parseInt(curPage) + 1, options);
},
lastPage: function (options) {
var curPage = $.fn.bsgrid_paging.getCurPage(options);
if (curPage >= options.totalPages) {
$.fn.bsgrid_paging.incorrectTurnAlert(options, $.bsgridLanguage.isLastPage);
return;
}
$.fn.bsgrid_paging.page(options.totalPages, options);
},
gotoPage: function (options, goPage) {
if (goPage == undefined) {
goPage = $('#' + options.gotoPageInputId).val();
}
if ($.trim(goPage) == '' || isNaN(goPage)) {
$.fn.bsgrid_paging.alert($.bsgridLanguage.needInteger);
} else if (parseInt(goPage) < 1 || parseInt(goPage) > options.totalPages) {
$.fn.bsgrid_paging.alert($.bsgridLanguage.needRange(1, options.totalPages));
} else {
$('#' + options.gotoPageInputId).val(goPage);
$.fn.bsgrid_paging.page(parseInt(goPage), options);
}
},
incorrectTurnAlert: function (options, msg) {
if (options.settings.pageIncorrectTurnAlert) {
$.fn.bsgrid_paging.alert(msg);
}
},
/**
* alert message.
*
* @param msg message
*/
alert: function (msg) {
try {
$.bsgrid.alert(msg);
} catch (e) {
alert(msg);
}
},
/**
* create paging toolbar.
*
* @param options
*/
createPagingToolbar: function (options) {
var pagingSb = new StringBuilder();
var littleBar = options.settings.pagingLittleToolbar;
pagingSb.append('<table class="bsgridPaging' + ( littleBar ? ' pagingLittleToolbar' : '') + (options.settings.pageSizeSelect ? '' : ' noPageSizeSelect') + '"');
if (options.settings.pagingMinWidth != 'auto') {
pagingSb.append(' style="width: ' + options.settings.pagingMinWidth + ' !important"');
}
pagingSb.append('>');
pagingSb.append('<tr>');
var showStates = options.settings.pagingBtnShowState;
if (options.settings.pageSizeSelect && showStates.select) {
pagingSb.append('<td>' + $.bsgridLanguage.pagingToolbar.pageSizeDisplay(options.pageSizeId, littleBar) + '</td>');
}
pagingSb.append('<td>' + $.bsgridLanguage.pagingToolbar.currentDisplayRows(options.startRowId, options.endRowId, littleBar) + '</td>');
pagingSb.append('<td>' + $.bsgridLanguage.pagingToolbar.totalRows(options.totalRowsId) + '</td>');
var btnClass = options.settings.pagingBtnClass;
pagingSb.append('<td>');
if (showStates.first) {
pagingSb.append('<input class="' + btnClass + ' firstPage" type="button" id="' + options.firstPageId + '" value="' + ( littleBar ? '' : $.bsgridLanguage.pagingToolbar.firstPage) + '" />');
}
if (showStates.first && showStates.prev) {
pagingSb.append('&nbsp;');
}
if (showStates.prev) {
pagingSb.append('<input class="' + btnClass + ' prevPage" type="button" id="' + options.prevPageId + '" value="' + ( littleBar ? '' : $.bsgridLanguage.pagingToolbar.prevPage) + '" />');
}
pagingSb.append('</td>');
pagingSb.append('<td>' + $.bsgridLanguage.pagingToolbar.currentDisplayPageAndTotalPages(options.curPageId, options.totalPagesId) + '</td>');
pagingSb.append('<td>');
if (showStates.next) {
pagingSb.append('<input class="' + btnClass + ' nextPage" type="button" id="' + options.nextPageId + '" value="' + ( littleBar ? '' : $.bsgridLanguage.pagingToolbar.nextPage) + '" />');
}
if (showStates.next && showStates.last) {
pagingSb.append('&nbsp;');
}
if (showStates.last) {
pagingSb.append('<input class="' + btnClass + ' lastPage" type="button" id="' + options.lastPageId + '" value="' + ( littleBar ? '' : $.bsgridLanguage.pagingToolbar.lastPage) + '" />');
}
pagingSb.append('</td>');
if (showStates.gotoBtn) {
pagingSb.append('<td class="gotoPageInputTd">');
pagingSb.append('<input class="gotoPageInput" type="text" id="' + options.gotoPageInputId + '" />');
pagingSb.append('</td>');
pagingSb.append('<td class="gotoPageButtonTd">');
pagingSb.append('<input class="' + btnClass + ' gotoPage" type="button" id="' + options.gotoPageId + '" value="' + ( littleBar ? '' : $.bsgridLanguage.pagingToolbar.gotoPage) + '" />');
pagingSb.append('</td>');
}
if (showStates.refresh) {
pagingSb.append('<td class="refreshPageTd">');
pagingSb.append('<input class="' + btnClass + ' refreshPage" type="button" id="' + options.refreshPageId + '" value="' + ( littleBar ? '' : $.bsgridLanguage.pagingToolbar.refreshPage) + '" />');
pagingSb.append('</td>');
}
pagingSb.append('</tr>');
pagingSb.append('</table>');
return pagingSb.toString();
},
/**
* set paging toolbar events.
*
* @param options
*/
setPagingToolbarEvents: function (options) {
if (options.settings.pageSizeSelect) {
$('#' + options.pageSizeId).change(function () {
options.settings.pageSize = parseInt($(this).val());
$(this).trigger('blur');
// if change pageSize, then page first
$.fn.bsgrid_paging.page(1, options);
});
}
$('#' + options.firstPageId).click(function () {
$.fn.bsgrid_paging.firstPage(options);
});
$('#' + options.prevPageId).click(function () {
$.fn.bsgrid_paging.prevPage(options);
});
$('#' + options.nextPageId).click(function () {
$.fn.bsgrid_paging.nextPage(options);
});
$('#' + options.lastPageId).click(function () {
$.fn.bsgrid_paging.lastPage(options);
});
$('#' + options.gotoPageInputId).keyup(function (e) {
if (e.which == 13) {
$.fn.bsgrid_paging.gotoPage(options);
}
});
$('#' + options.gotoPageId).click(function () {
$.fn.bsgrid_paging.gotoPage(options);
});
$('#' + options.refreshPageId).click(function () {
$.fn.bsgrid_paging.refreshPage(options);
});
},
/**
* dynamic change paging button style.
*
* @param options
*/
dynamicChangePagingButtonStyle: function (options) {
var disabledCls = 'disabledCls';
if (options.curPage <= 1) {
$('#' + options.firstPageId).addClass(disabledCls);
$('#' + options.prevPageId).addClass(disabledCls);
} else {
$('#' + options.firstPageId).removeClass(disabledCls);
$('#' + options.prevPageId).removeClass(disabledCls);
}
if (options.curPage >= options.totalPages) {
$('#' + options.nextPageId).addClass(disabledCls);
$('#' + options.lastPageId).addClass(disabledCls);
} else {
$('#' + options.nextPageId).removeClass(disabledCls);
$('#' + options.lastPageId).removeClass(disabledCls);
}
},
/**
* Set paging values.
*
* @param curPage current page number
* @param totalRows total rows number
* @param options paging options
*/
setPagingValues: function (curPage, totalRows, options) {
curPage = Math.max(curPage, 1);
var pageSize = options.settings.pageSize;
var totalPages = parseInt(totalRows / pageSize);
totalPages = parseInt((totalRows % pageSize == 0) ? totalPages : totalPages + 1);
var curPageRowsNum = (curPage * pageSize < totalRows) ? pageSize : (totalRows - (curPage - 1) * pageSize);
var startRow = (curPage - 1) * pageSize + 1;
var endRow = startRow + curPageRowsNum - 1;
startRow = curPageRowsNum <= 0 ? 0 : startRow;
endRow = curPageRowsNum <= 0 ? 0 : endRow;
options.totalRows = totalRows;
options.totalPages = totalPages;
options.curPage = curPage;
options.curPageRowsNum = curPageRowsNum;
options.startRow = startRow;
options.endRow = endRow;
$('#' + options.totalRowsId).html(options.totalRows);
$('#' + options.totalPagesId).html(options.totalPages);
$('#' + options.curPageId).html(options.curPage);
$('#' + options.startRowId).html(options.startRow);
$('#' + options.endRowId).html(options.endRow);
$.fn.bsgrid_paging.dynamicChangePagingButtonStyle(options);
}
};
})(jQuery);