133 lines
4.4 KiB
JavaScript
133 lines
4.4 KiB
JavaScript
define(function (require, exports, module) {
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var param = require("../data.js");
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var getCurDate = function () {
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var now = new Date();
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//now = new Date(Math.floor(now.getTime() / 86400000) * 86400000);
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now = new Date(now.getFullYear(), now.getMonth(), now.getDate());
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return now;
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};
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var getDateString = function (date) {
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return date.getFullYear() + "-" + (date.getMonth() < 9 ? "0" : "") + (date.getMonth() + 1) + "-" + (date.getDate() < 10 ? "0" : "") + date.getDate();
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};
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var options = {
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maxSellDays: 19,
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selectDate: [],
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minDate: getCurDate()
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};
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var renderCalendar = function (container, monthStart, minDate, maxDate) {
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var weekdayOfFirstDay = monthStart.getDay();
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var calendarBegin = new Date(monthStart.getTime() + 86400000 * weekdayOfFirstDay * -1);
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var cells = container.find("td");
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var thismonth = monthStart.getMonth();
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var currentDate = getCurDate();
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var dateTmp = calendarBegin;
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var minTime = param.minDate.getTime();
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var maxTime = param.maxDate.getTime();
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for (var i = 0; i < 42; i++) {
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var cell = cells.eq(i);
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cell.html(dateTmp.getDate());
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if (dateTmp.getMonth() !== thismonth || dateTmp < minDate || dateTmp > maxDate) {
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cell.addClass("date-notavailable");
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}
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if (dateTmp.getTime() === currentDate.getTime()) {
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cell.addClass("date-current");
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} else if (dateTmp.getTime() <= maxTime && dateTmp.getTime() >= minTime) {
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cell.addClass("date-commonavailable");
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}
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cell.attr("data-date", getDateString(dateTmp));
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dateTmp = new Date(dateTmp.getTime() + 86400000);
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}
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//显示时间
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container.find("header").html(monthStart.getFullYear() + "年" + (monthStart.getMonth() + 1) + "月");
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};
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var showPopup = function (ele) {
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var curDate = ele.val();
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var now = getCurDate();
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var selected = ele.data("selectedDate") || [];
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var dateDom = $("#dateSelector");
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//如果日历已经创建了，则不变。
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if (curDate)
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selected.push(curDate);
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var dayStart = new Date(now.getFullYear(), now.getMonth(), 1);
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var maxShowDay = new Date(now.getTime() + 86400 * 1000 * options.maxSellDays * 2);
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if (dateDom.prop("data-month") !== getDateString(dayStart)) {
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renderCalendar(dateDom.find(">.month-first"), dayStart, now, maxShowDay);
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renderCalendar(dateDom.find(">.month-second"), new Date(dayStart.getFullYear(), dayStart.getMonth() + 1, 1), now, maxShowDay);
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dateDom.prop("data-month", getDateString(dayStart));
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}
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//判断当前的购买日期是否超过月底了，决定是否显示第二个日历
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if (maxShowDay.getMonth() !== now.getMonth()) {
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dateDom.find(">.month-second").show();
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} else {
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dateDom.find(">.month-second").hide();
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}
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//确定有标记
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dateDom.find("td").removeClass("date-selected").filter(selected.map(function (e) { return "[data-date='" + e + "']:not(.date-notavailable)"; }).join(",")).addClass("date-selected");
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dateDom.data("date-target", ele);
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//显示
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var offset = ele.offset();
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var left = (offset.left - dateDom.width() / 2);
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if (left < 1)left = 0;
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dateDom.css({ left: left + "px", top: (offset.top + ele.height()) + "px" });
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dateDom.show();
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};
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var init = function () {
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var date_classes = ["month-first", "month-second"];
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var dom = ['<div id="dateSelector">'];
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_.each(date_classes, function (e) {
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var cls = e + '';
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dom.push('<div class="' + cls + '"><section class="date-selector"><nav><span class="month-prev"></span><span class="month-next"></span><header></header></nav><table><tr><th>日</th><th>一</th><th>二</th><th>三</th><th>四</th><th>五</th><th>六</th></tr>');
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for (var i = 0; i < 6; i++) {
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dom.push("<tr>");
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for (var j = 0; j < 7; j++) {
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dom.push("<td></td>");
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}
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dom.push("</tr>");
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}
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dom.push("</table></section></div>");
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});
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$("body").append(dom.join(""));
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$("#dateSelector").mousedown(function (e) {
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var target = $("#dateSelector").data("date-target");
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if (!target || !target.length)
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return;
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if (target[0].dataset.keepopen === "true") {
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e.stopPropagation && e.stopPropagation();
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e.preventDefault && e.preventDefault();
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}
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var et = $(e.target);
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if (et.is("#dateSelector td")) {
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if (et.hasClass("date-notavailable")) return;
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target.val(et.attr("data-date")).change();
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et.toggleClass("date-selected");
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}
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});
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};
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init();
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var selector = "input.ui-date";
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$(document).on("focus", selector, function () {
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showPopup($(this));
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}).on("blur", selector, function () {
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$("#dateSelector").hide().removeData("date-target");
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});
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}); |