Java Concepts

We can use readly avalible taglibs in our customportlet , Here are the some 1. If we want user to rate the content we can use "ratings" taglib as, <liferay-ui:ratings classPK="12724" className="<%=BlogsEntry.class.getName() %>"></liferay-ui:ratings> Here classPK is the  primarykey , here i am using the blogsentry so it is blogsentryid className is the classname of the entry, wheather it is "BlogsEntry" , "JournalArticle" etc. 2. If we want to display the rating score <liferay-ui:ratings-score score="2"></liferay-ui:ratings-score> 3. "Discussion" taglib mostly used to display the user comments <liferay-ui:discussion classPK="12724" userId="10201" className="<%=BlogsEntry.class.getName() %>" formAction="fm"></liferay-ui:discussion> Here classPK is the  primarykey , here i am using the blogsentry so it is...

In Liferay it is simple to add the add the DatePicker. Liferay already had datepicker taglib, so here we go . Creating the calendar object, for today date. Calendar cal = CalendarFactoryUtil.getCalendar(timeZone, locale); int startDateValue = cal.get(Calendar.DATE); int startMonthValue = cal.get(Calendar.MONTH); int startYearValue = cal.get(Calendar.YEAR); Implementing the date picker, <aui:fieldset> <aui:field-wrapper label="start-date"> </aui:field-wrapper></aui:fieldset> <div class="field-row"> <liferay-ui:input-date dayparam="schedulerStartDateDay" dayvalue="&lt;%=startDateValue %&gt;" disabled="&lt;%= false %&gt;" monthparam="schedulerStartDateMonth" monthvalue="&lt;%=startMonthValue%&gt;" name="startDate" yearparam="schedulerStartDateYear" yearvalue="&lt;%=startYearValue%&gt;"> </liferay-u...