{"id":1185,"date":"2021-01-13T17:48:37","date_gmt":"2021-01-13T17:48:37","guid":{"rendered":"https:\/\/bhiggs.x10hosting.com\/PracticalJavaProgramming\/?page_id=1185"},"modified":"2021-01-13T18:30:05","modified_gmt":"2021-01-13T18:30:05","slug":"jfilechooser-dialogs","status":"publish","type":"page","link":"https:\/\/bhiggs.x10hosting.com\/PracticalJavaProgramming\/course-topics\/swing-gui-components\/dialog-boxes\/jfilechooser-dialogs\/","title":{"rendered":"JFileChooser Dialogs"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a3e1eeb00b82\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a3e1eeb00b82\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/bhiggs.x10hosting.com\/PracticalJavaProgramming\/course-topics\/swing-gui-components\/dialog-boxes\/jfilechooser-dialogs\/#Opening_a_File\" >Opening a File<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/bhiggs.x10hosting.com\/PracticalJavaProgramming\/course-topics\/swing-gui-components\/dialog-boxes\/jfilechooser-dialogs\/#Saving_a_File\" >Saving a File<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/bhiggs.x10hosting.com\/PracticalJavaProgramming\/course-topics\/swing-gui-components\/dialog-boxes\/jfilechooser-dialogs\/#Discovering_What_the_User_Selected\" >Discovering What the User Selected<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">A common need is to prompt the user for a file &#8212; either to open, or to create.&nbsp; This is the function of the&nbsp;<code><strong>JFileChooser<\/strong><\/code>&nbsp;dialog.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Opening_a_File\"><\/span>Opening a File<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: java; auto-links: false; highlight: [10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25]; title: ; quick-code: false; notranslate\" title=\"\">\npackage swingExamples;\n\nimport java.io.File;\nimport javax.swing.JFileChooser;\n\npublic class ChooseFile\n{\n  public static void main(String&#x5B;] args)\n  {\n    JFileChooser fileChooser = new JFileChooser();\n    fileChooser.setCurrentDirectory( \n                  new File(&quot;.&quot;) \/\/ Current directory\n                  );                                \n    int result = fileChooser.showOpenDialog(\n                  null  \/\/ parent component\n                  );                        \n    if (result == JFileChooser.CANCEL_OPTION)\n    {\n      System.out.println(&quot;You hit Cancel&quot;);\n    }\n    else if (result == JFileChooser.APPROVE_OPTION)\n    {\n      System.out.println(&quot;You selected a file&quot;);\n    }\n  }\n}\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">which produces the following dialog:<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"alignleft size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"508\" height=\"360\" src=\"https:\/\/bhiggs.x10hosting.com\/PracticalJavaProgramming\/wp-content\/uploads\/2021\/01\/FileOpenDialog.gif\" alt=\"\" class=\"wp-image-1192\"\/><\/figure><\/div>\n\n\n\n<div style=\"height:18px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Saving_a_File\"><\/span>Saving a File<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">If you want to select a file for saving:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: java; auto-links: false; highlight: [14]; title: ; quick-code: false; notranslate\" title=\"\">\npackage swingExamples;\n\nimport java.io.File;\nimport javax.swing.JFileChooser;\n\npublic class SaveFile1\n{\n  public static void main(String&#x5B;] args)\n  {\n    JFileChooser fileChooser = new JFileChooser();\n    fileChooser.setCurrentDirectory(\n                  new File(&quot;.&quot;) \/\/ Current directory\n                  );\n    int result = fileChooser.showSaveDialog(\n                  null \/\/ parent component\n                  );\n    if (result == JFileChooser.CANCEL_OPTION)\n    {\n      System.out.println(&quot;You hit Cancel&quot;);\n    }\n    else if (result == JFileChooser.APPROVE_OPTION)\n    {\n      System.out.println(&quot;You selected a file&quot;);\n    }\n  }\n}\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">which produces:<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"alignleft size-large\"><img decoding=\"async\" width=\"508\" height=\"360\" src=\"https:\/\/bhiggs.x10hosting.com\/PracticalJavaProgramming\/wp-content\/uploads\/2021\/01\/FileSaveDialog.gif\" alt=\"\" class=\"wp-image-1193\"\/><\/figure><\/div>\n\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Discovering_What_the_User_Selected\"><\/span>Discovering What the User Selected<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">How do you discover what the user selected?&nbsp; <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Here&#8217;s an example:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: java; auto-links: false; highlight: [24,25,26]; title: ; quick-code: false; notranslate\" title=\"\">\npackage swingExamples;\n\nimport java.io.File;\nimport javax.swing.JFileChooser;\n\npublic class SaveFile2\n{\n  public static void main(String&#x5B;] args)\n  {\n    JFileChooser fileChooser = new JFileChooser();\n    fileChooser.setCurrentDirectory(\n                  new File(&quot;.&quot;) \/\/ Current directory\n                  );\n    int result = fileChooser.showSaveDialog(\n                  null \/\/ parent component\n                  );\n    if (result == JFileChooser.CANCEL_OPTION)\n    {\n      System.out.println(&quot;You hit Cancel&quot;);\n    }\n    else if (result == JFileChooser.APPROVE_OPTION)\n    {\n      System.out.println(&quot;You selected a file&quot;);\n      File file = fileChooser.getSelectedFile();\n      System.out.println(\n          &quot;File selected is: &quot; + file.getAbsoluteFile());\n    }\n  }\n}\n\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">which outputs the following, once the user has selected a file and clicked on the appropriate button:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><strong>You selected a file\nFile selected is: C:\\...\\Play\\bleye.gif<\/strong><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>A common need is to prompt the user for a file &#8212; either to open, or to create.&nbsp; This is the function of the&nbsp;JFileChooser&nbsp;dialog. Opening a File which produces the following dialog: Saving a File If you want to select a file for saving: which produces: Discovering What the User Selected How do you discover [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":1152,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_eb_attr":"","_uag_custom_page_level_css":"","ocean_post_layout":"left-sidebar","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"ocs-course-topics-sidebar","ocean_second_sidebar":"0","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"0","ocean_custom_header_template":"0","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"0","ocean_menu_typo_font_family":"0","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"0","footnotes":""},"class_list":["post-1185","page","type-page","status-publish","hentry","entry"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"ocean-thumb-m":false,"ocean-thumb-ml":false,"ocean-thumb-l":false},"uagb_author_info":{"display_name":"Bryan Higgs","author_link":"https:\/\/bhiggs.x10hosting.com\/PracticalJavaProgramming\/author\/bryan\/"},"uagb_comment_info":0,"uagb_excerpt":"A common need is to prompt the user for a file &#8212; either to open, or to create.&nbsp; This is the function of the&nbsp;JFileChooser&nbsp;dialog. Opening a File which produces the following dialog: Saving a File If you want to select a file for saving: which produces: Discovering What the User Selected How do you discover&hellip;","_links":{"self":[{"href":"https:\/\/bhiggs.x10hosting.com\/PracticalJavaProgramming\/wp-json\/wp\/v2\/pages\/1185","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bhiggs.x10hosting.com\/PracticalJavaProgramming\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/bhiggs.x10hosting.com\/PracticalJavaProgramming\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/bhiggs.x10hosting.com\/PracticalJavaProgramming\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/bhiggs.x10hosting.com\/PracticalJavaProgramming\/wp-json\/wp\/v2\/comments?post=1185"}],"version-history":[{"count":6,"href":"https:\/\/bhiggs.x10hosting.com\/PracticalJavaProgramming\/wp-json\/wp\/v2\/pages\/1185\/revisions"}],"predecessor-version":[{"id":1197,"href":"https:\/\/bhiggs.x10hosting.com\/PracticalJavaProgramming\/wp-json\/wp\/v2\/pages\/1185\/revisions\/1197"}],"up":[{"embeddable":true,"href":"https:\/\/bhiggs.x10hosting.com\/PracticalJavaProgramming\/wp-json\/wp\/v2\/pages\/1152"}],"wp:attachment":[{"href":"https:\/\/bhiggs.x10hosting.com\/PracticalJavaProgramming\/wp-json\/wp\/v2\/media?parent=1185"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}