{"id":33912,"date":"2016-02-18T15:00:26","date_gmt":"2016-02-18T13:00:26","guid":{"rendered":"http:\/\/examples.javacodegeeks.com\/?p=33912"},"modified":"2019-04-09T13:25:16","modified_gmt":"2019-04-09T10:25:16","slug":"vaadin-calendar-example","status":"publish","type":"post","link":"https:\/\/examples.javacodegeeks.com\/java-development\/enterprise-java\/vaadin\/vaadin-calendar-example\/","title":{"rendered":"Vaadin Calendar Example"},"content":{"rendered":"<p>With Vaadin Calendar widget, you get a complete calendar solution that allows you to do all sorts of calendar related tasks, visually stunning out of the box, can be customizable to fill all your needs in a online calendar solution, easy to use and free, Vaadin offers a nice solution to use in enterprise applications where you need this kind of solution.<\/p>\n<h2>1. The tools<\/h2>\n<ul>\n<li>Java JDK 8<\/li>\n<li>Latest Eclipse Mars<\/li>\n<li>Vaadin 7.6.2<\/li>\n<\/ul>\n<h2> 2. Introduction<\/h2>\n<p>In this example we are going to make a calendar, customize the visible range and then add two example events, a week event and hour event also we are going to add butons to change the calendar view to day, week and month view.<\/p>\n<h2> 3. Prerequisites<\/h2>\n<ul>\n<li>JDK installed<\/li>\n<li>Eclipse Mars installed and working<\/li>\n<li>Vaadin Plugin 7.6.2<\/li>\n<\/ul>\n<h2> 4. Create the project<\/h2>\n<p>Start eclipse and create a new Vaadin 7 application File -&gt; New -&gt; Other&#8230;<\/p>\n<p><figure id=\"attachment_33913\" aria-describedby=\"caption-attachment-33913\" style=\"width: 646px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2016\/02\/01-New-Project.png\" rel=\"attachment wp-att-33913\"><img decoding=\"async\" src=\"http:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2016\/02\/01-New-Project.png\" alt=\"01 New Project\" width=\"646\" height=\"422\" class=\"size-full wp-image-33913\" srcset=\"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2016\/02\/01-New-Project.png 646w, https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2016\/02\/01-New-Project-300x196.png 300w\" sizes=\"(max-width: 646px) 100vw, 646px\" \/><\/a><figcaption id=\"caption-attachment-33913\" class=\"wp-caption-text\">01 New Project<\/figcaption><\/figure><\/p>\n<p>and choose Vaadin 7 Project from the list.<\/p>\n<p><figure id=\"attachment_33914\" aria-describedby=\"caption-attachment-33914\" style=\"width: 524px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2016\/02\/02-Vaadin-Project.png\" rel=\"attachment wp-att-33914\"><img decoding=\"async\" src=\"http:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2016\/02\/02-Vaadin-Project.png\" alt=\"02 Vaadin Project\" width=\"524\" height=\"499\" class=\"size-full wp-image-33914\" srcset=\"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2016\/02\/02-Vaadin-Project.png 524w, https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2016\/02\/02-Vaadin-Project-300x286.png 300w\" sizes=\"(max-width: 524px) 100vw, 524px\" \/><\/a><figcaption id=\"caption-attachment-33914\" class=\"wp-caption-text\">02 Vaadin Project<\/figcaption><\/figure><\/p>\n<p>Hit next and write the project name<\/p>\n<p><figure id=\"attachment_33915\" aria-describedby=\"caption-attachment-33915\" style=\"width: 521px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2016\/02\/03-Project-Name.png\" rel=\"attachment wp-att-33915\"><img decoding=\"async\" src=\"http:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2016\/02\/03-Project-Name.png\" alt=\"03 Project Name\" width=\"521\" height=\"626\" class=\"size-full wp-image-33915\"><\/a><figcaption id=\"caption-attachment-33915\" class=\"wp-caption-text\">03 Project Name<\/figcaption><\/figure><\/p>\n<p>Hit next twice and choose the option generate web.xml deployment descriptor<\/p>\n<p><figure id=\"attachment_33918\" aria-describedby=\"caption-attachment-33918\" style=\"width: 523px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2016\/02\/04-web-xml-deployment-descriptor.png\" rel=\"attachment wp-att-33918\"><img decoding=\"async\" src=\"http:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2016\/02\/04-web-xml-deployment-descriptor.png\" alt=\"04 web xml deployment descriptor\" width=\"523\" height=\"627\" class=\"size-full wp-image-33918\" srcset=\"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2016\/02\/04-web-xml-deployment-descriptor.png 523w, https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2016\/02\/04-web-xml-deployment-descriptor-250x300.png 250w\" sizes=\"(max-width: 523px) 100vw, 523px\" \/><\/a><figcaption id=\"caption-attachment-33918\" class=\"wp-caption-text\">04 web xml deployment descriptor<\/figcaption><\/figure><\/p>\n<p>and then hit finish, now we are ready to code.<\/p>\n<h2>5. Modify web.xml<\/h2>\n<p>Open the file WebContent -&gt; WEB-INF -&gt; web.xml and modify as follows<\/p>\n<p><span style=\"text-decoration: underline\"><em>web.xml<\/em><\/span><\/p>\n<pre class=\"brush:xml\">&lt;?xml version=\"1.0\" encoding=\"UTF-8\"?&gt;\n&lt;web-app xmlns:xsi=\"http:\/\/www.w3.org\/2001\/XMLSchema-instance\" xmlns=\"http:\/\/java.sun.com\/xml\/ns\/javaee\" xsi:schemaLocation=\"http:\/\/java.sun.com\/xml\/ns\/javaee http:\/\/java.sun.com\/xml\/ns\/javaee\/web-app_3_0.xsd\" id=\"WebApp_ID\" version=\"3.0\"&gt;\n  &lt;display-name&gt;VaadinCalendar&lt;\/display-name&gt;\n  &lt;servlet&gt;\n    &lt;servlet-name&gt;myservlet&lt;\/servlet-name&gt;\n    &lt;servlet-class&gt;\n\t\tcom.vaadin.server.VaadinServlet\n\t&lt;\/servlet-class&gt;\n    &lt;init-param&gt;\n      &lt;param-name&gt;UI&lt;\/param-name&gt;\n      &lt;param-value&gt;com.example.vaadincalendar.VaadincalendarUI&lt;\/param-value&gt;\n    &lt;\/init-param&gt;\n  &lt;\/servlet&gt;\n  &lt;servlet-mapping&gt;\n    &lt;servlet-name&gt;myservlet&lt;\/servlet-name&gt;\n    &lt;url-pattern&gt;\/*&lt;\/url-pattern&gt;\n  &lt;\/servlet-mapping&gt;\n&lt;\/web-app&gt;\n<\/pre>\n<p>I prefer to use web.xml to publish my servlet but you can use annotations if you like<div style=\"display:inline-block; margin: 15px 0;\"> <div id=\"adngin-JavaCodeGeeks_incontent_video-0\" style=\"display:inline-block;\"><\/div> <\/div><\/p>\n<h2>6. Create the layouts<\/h2>\n<p><span style=\"text-decoration: underline\"><em>Create layouts<\/em><\/span><\/p>\n<pre class=\"brush:java\">final VerticalLayout layout = new VerticalLayout();\nlayout.setMargin(true);\nsetContent(layout);\n\t\t\nHorizontalLayout btLayout = new HorizontalLayout();\nlayout.addComponent(btLayout);\n<\/pre>\n<p>I created a vertical layout for the main layout and a horizontal layout to add the buttons to change the calendar view<\/p>\n<h2>7. Create the calendar<\/h2>\n<p><span style=\"text-decoration: underline\"><em>Create the calendar<\/em><\/span><\/p>\n<pre class=\"brush:java\">Calendar cal = new Calendar(\"My Calendar\");\ncal.setWidth(\"800px\");\ncal.setHeight(\"600px\");\ncal.setStartDate(new GregorianCalendar(2016, 1, 16, 13, 00, 00).getTime());\ncal.setEndDate(new GregorianCalendar(2016, 2, 16, 13, 00, 00).getTime());\n<\/pre>\n<p>I change the width and height of the calendar and  set the initial range with <code>setStartDate<\/code> and <code>setEndDate<\/code>, that sets the dates used to show the calendar, Vaadin under the hood, choose the best view for the range.<\/p>\n<h2>8. Add test events<\/h2>\n<p><span style=\"text-decoration: underline\"><em>Add events<\/em><\/span><\/p>\n<pre class=\"brush:java\">GregorianCalendar eStaOne = new GregorianCalendar(2016, 1, 17, 13, 00, 00);\nGregorianCalendar eEndOne = new GregorianCalendar(2016, 1, 17, 16, 00, 00);\nBasicEvent beOne= new BasicEvent(\"Event One\", \"Event One\", eStaOne.getTime(), eEndOne.getTime());\ncal.addEvent(beOne);\n\nGregorianCalendar eStaTwo = new GregorianCalendar(2016, 1, 21, 0, 00, 00);\nGregorianCalendar eEndTwo = new GregorianCalendar(2016, 1, 27, 0, 00, 00);\nBasicEvent beTwo = new BasicEvent(\"Event Two\", \"Event Two\", eStaTwo.getTime(),eEndTwo.getTime());\nbeTwo.setAllDay(true);\ncal.addEvent(beTwo);\t\t\n<\/pre>\n<p>I added two <code>BasicEvent<\/code> using the standard <code>java.util.GregorianCalendar<\/code> to set the date without hassle, the <code>BasicEvent<\/code> constructor offers two strings parameters to assign a caption and a description to the event.<\/p>\n<h2>9. Add the Buttons<\/h2>\n<p><span style=\"text-decoration: underline\"><em>Buttons<\/em><\/span><\/p>\n<pre class=\"brush:java\">\t\tButton buttonDay = new Button(\"Day view\");\n\t\tbuttonDay.addClickListener(new Button.ClickListener() {\n\t\t\tpublic void buttonClick(ClickEvent event) {\n\t\t\t\tcal.setStartDate(new GregorianCalendar(2016, 1, 16, 13, 00, 00).getTime());\n\t\t\t\tcal.setEndDate(new GregorianCalendar(2016, 1, 16, 13, 00, 00).getTime());\n\t\t\t}\n\t\t});\n\n\t\tbtLayout.addComponent(buttonDay);\n\t\tButton buttonWeek = new Button(\"Week view\");\n\t\tbuttonWeek.addClickListener(new Button.ClickListener() {\n\t\t\tpublic void buttonClick(ClickEvent event) {\n\t\t\t\tcal.setStartDate(new GregorianCalendar(2016, 1, 16, 13, 00, 00).getTime());\n\t\t\t\tcal.setEndDate(new GregorianCalendar(2016, 1, 23, 13, 00, 00).getTime());\n\t\t\t}\n\t\t});\n\t\tbtLayout.addComponent(buttonDay);\n\t\tButton buttonMonth = new Button(\"Month view\");\n\t\tbuttonMonth.addClickListener(new Button.ClickListener() {\n\t\t\tpublic void buttonClick(ClickEvent event) {\n\t\t\t\tcal.setStartDate(new GregorianCalendar(2016, 1, 16, 13, 00, 00).getTime());\n\t\t\t\tcal.setEndDate(new GregorianCalendar(2016, 2, 16, 13, 00, 00).getTime());\n\t\t\t}\n\t\t});\n\t\tbtLayout.addComponent(buttonDay);\n\t\tbtLayout.addComponent(buttonWeek);\n\t\tbtLayout.addComponent(buttonMonth);\n\n<\/pre>\n<p>I added three buttons to change the calendar view, Vaadin choose the right view from the range in the dates.[ulp id=&#8217;YBvYYzEYBUrADqmI&#8217;]<\/p>\n<h2>10. The complete source code<\/h2>\n<p><span style=\"text-decoration: underline\"><em>VaadinCalendarUI.java<\/em><\/span><\/p>\n<pre class=\"brush:java\">package com.example.vaadincalendar;\n\nimport java.util.GregorianCalendar;\nimport java.util.Locale;\n\nimport com.vaadin.annotations.Theme;\nimport com.vaadin.server.VaadinRequest;\nimport com.vaadin.server.VaadinServlet;\nimport com.vaadin.ui.Button;\nimport com.vaadin.ui.Button.ClickEvent;\nimport com.vaadin.ui.Calendar;\nimport com.vaadin.ui.HorizontalLayout;\nimport com.vaadin.ui.UI;\nimport com.vaadin.ui.VerticalLayout;\nimport com.vaadin.ui.components.calendar.event.BasicEvent;\n\n@SuppressWarnings(\"serial\")\n@Theme(\"vaadincalendar\")\npublic class VaadincalendarUI extends UI {\n\n\tpublic static class Servlet extends VaadinServlet {\n\t}\n\n\t@Override\n\tprotected void init(VaadinRequest request) {\n\t\tthis.setLocale(Locale.US);\n\t\tfinal VerticalLayout layout = new VerticalLayout();\n\t\tlayout.setMargin(true);\n\t\tsetContent(layout);\n\t\t\n\t\tHorizontalLayout btLayout = new HorizontalLayout();\n\t\tlayout.addComponent(btLayout);\n\n\t\tCalendar cal = new Calendar(\"My Calendar\");\n\t\tcal.setWidth(\"800px\");\n\t\tcal.setHeight(\"600px\");\n\t\tcal.setStartDate(new GregorianCalendar(2016, 1, 16, 13, 00, 00).getTime());\n\t\tcal.setEndDate(new GregorianCalendar(2016, 2, 16, 13, 00, 00).getTime());\n\n        GregorianCalendar eStaOne = new GregorianCalendar(2016, 1, 17, 13, 00, 00);\n        GregorianCalendar eEndOne = new GregorianCalendar(2016, 1, 17, 16, 00, 00);\n        BasicEvent beOne= new BasicEvent(\"Event One\", \"Event One\", eStaOne.getTime(), eEndOne.getTime());\n        cal.addEvent(beOne);\n\n        GregorianCalendar eStaTwo = new GregorianCalendar(2016, 1, 21, 0, 00, 00);\n        GregorianCalendar eEndTwo = new GregorianCalendar(2016, 1, 27, 0, 00, 00);\n        BasicEvent beTwo = new BasicEvent(\"Event Two\", \"Event Two\", eStaTwo.getTime(), eEndTwo.getTime());\n        beTwo.setAllDay(true);\n        cal.addEvent(beTwo);\t\t\n\t\t\n\t\tlayout.addComponent(cal);\n\t\t\n\t\tButton buttonDay = new Button(\"Day view\");\n\t\tbuttonDay.addClickListener(new Button.ClickListener() {\n\t\t\tpublic void buttonClick(ClickEvent event) {\n\t\t\t\tcal.setStartDate(new GregorianCalendar(2016, 1, 16, 13, 00, 00).getTime());\n\t\t\t\tcal.setEndDate(new GregorianCalendar(2016, 1, 16, 13, 00, 00).getTime());\n\t\t\t}\n\t\t});\n\n\t\tbtLayout.addComponent(buttonDay);\n\t\tButton buttonWeek = new Button(\"Week view\");\n\t\tbuttonWeek.addClickListener(new Button.ClickListener() {\n\t\t\tpublic void buttonClick(ClickEvent event) {\n\t\t\t\tcal.setStartDate(new GregorianCalendar(2016, 1, 16, 13, 00, 00).getTime());\n\t\t\t\tcal.setEndDate(new GregorianCalendar(2016, 1, 23, 13, 00, 00).getTime());\n\t\t\t}\n\t\t});\n\t\tbtLayout.addComponent(buttonDay);\n\t\tButton buttonMonth = new Button(\"Month view\");\n\t\tbuttonMonth.addClickListener(new Button.ClickListener() {\n\t\t\tpublic void buttonClick(ClickEvent event) {\n\t\t\t\tcal.setStartDate(new GregorianCalendar(2016, 1, 16, 13, 00, 00).getTime());\n\t\t\t\tcal.setEndDate(new GregorianCalendar(2016, 2, 16, 13, 00, 00).getTime());\n\t\t\t}\n\t\t});\n\t\tbtLayout.addComponent(buttonDay);\n\t\tbtLayout.addComponent(buttonWeek);\n\t\tbtLayout.addComponent(buttonMonth);\n\t}\n\n}\n<\/pre>\n<h2>11. Running the example<\/h2>\n<p>Right click on the project folder and choose Run as -&gt; Run on server<\/p>\n<p><figure id=\"attachment_33924\" aria-describedby=\"caption-attachment-33924\" style=\"width: 691px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2016\/02\/05-Run-project.png\" rel=\"attachment wp-att-33924\"><img decoding=\"async\" src=\"http:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2016\/02\/05-Run-project.png\" alt=\"05 Run project\" width=\"691\" height=\"682\" class=\"size-full wp-image-33924\" srcset=\"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2016\/02\/05-Run-project.png 691w, https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2016\/02\/05-Run-project-300x296.png 300w, https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2016\/02\/05-Run-project-70x70.png 70w\" sizes=\"(max-width: 691px) 100vw, 691px\" \/><\/a><figcaption id=\"caption-attachment-33924\" class=\"wp-caption-text\">05 Run project<\/figcaption><\/figure><\/p>\n<p>Choose your preferred server and hit finish.<\/p>\n<h2>12. The results<\/h2>\n<p><figure id=\"attachment_33926\" aria-describedby=\"caption-attachment-33926\" style=\"width: 853px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2016\/02\/06-Results.png\" rel=\"attachment wp-att-33926\"><img decoding=\"async\" src=\"http:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2016\/02\/06-Results.png\" alt=\"06 Results\" width=\"853\" height=\"826\" class=\"size-full wp-image-33926\" srcset=\"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2016\/02\/06-Results.png 853w, https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2016\/02\/06-Results-300x291.png 300w, https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2016\/02\/06-Results-768x744.png 768w\" sizes=\"(max-width: 853px) 100vw, 853px\" \/><\/a><figcaption id=\"caption-attachment-33926\" class=\"wp-caption-text\">06 Results<\/figcaption><\/figure><\/p>\n<p>You got your new shini calendar ready to hack and use it in your web application.<\/p>\n<h2>13. Download the source code<\/h2>\n<p>This was an example about Vaadin Calendar.<\/p>\n<div class=\"download\"><strong>Download<\/strong><br \/>\nYou can download the Eclipse project here: <strong><a href=\"http:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2016\/02\/VaadinCalendar.zip\">Vaadin Calendar<\/a><\/strong><\/div>\n","protected":false},"excerpt":{"rendered":"<p>With Vaadin Calendar widget, you get a complete calendar solution that allows you to do all sorts of calendar related tasks, visually stunning out of the box, can be customizable to fill all your needs in a online calendar solution, easy to use and free, Vaadin offers a nice solution to use in enterprise applications &hellip;<\/p>\n","protected":false},"author":77,"featured_media":33079,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1358],"tags":[],"class_list":["post-33912","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vaadin"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Vaadin Calendar Example - Java Code Geeks<\/title>\n<meta name=\"description\" content=\"With Vaadin Calendar widget, you get a complete calendar solution that allows you to do all sorts of calendar related tasks, visually stunning out of the\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/examples.javacodegeeks.com\/java-development\/enterprise-java\/vaadin\/vaadin-calendar-example\/\" 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