IWL IWL project is a widget library for the web.
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web widget widget library web widgets DOM tree IWL

IWL Description

IWL project is a widget library for the web. IWL project is a widget library for the web.SYNOPSIS use IWL; # create the main container, and a few widgets my $page = IWL::Page->new; my $frame = IWL::Frame->new; my $iconbox = IWL::Iconbox->new (width => '800px', height => '600px'); my $button = IWL::Button->newFromStock ('IWL_STOCK_CANCEL'); my %some_icon_info = ("foo.jpg" => 'foo', "bar.png" => 'bar'); # Setting up the icons and adding them to the iconbox foreach (keys %some_icon_info) { my $icon = IWL::Iconbox::Icon->new; $icon->setImage($_); $icon->setText($some_icon_info{$_}); $icon->setDimensions('64px', '64px'); $icon->setSelected(1) if $_ == 'something'; $iconbox->appendIcon($icon); } $page->appendMetaEquiv("Cache-control" => "no-cache"); $frame->setLabel("Frame label"); # Adding the children to their parents $frame->appendChild($iconbox); $frame->appendChild($button); $page->appendChild($frame); # Finally printing the page $page->print;The IWL includes several widgets with which consistent web pages can be built quickly. The structure resembles the DOM tree, with the API mimicking Javascript very closely. The widgets themselves can be used either as standalone object in an already existing scripts, or can be used to build new scripts from the grounds up. They can be finalized in both HTML markup, and JSON notation, which can be used for scripts. More advanced widgets like the Iconbox come with Javascript files which are automatically included when the widget is finalized as HTML. INCLUDED MODULESThe following widgets have so far been written. They have extensive documentation for their methods IWL::Anchor - An anchor widget ("< a >") IWL::Break - A break widget ("< br >") IWL::Button - A graphic button widget IWL::Canvas - The html5 canvas element ("< canvas >") IWL::Checkbox - A checkbox widget (checkbox + text) IWL::Combo - A combobox widget ("< select >") IWL::Combo::Option - The content of a combobox ("< option >") IWL::Comment - A widget for placing comments (and conditional comments) IWL::Container - A basic container widget ("< div >") IWL::Contentbox - A generic window-like contentbox IWL::Druid - A step-based druid widget IWL::Entry - An entry widget with support for icons IWL::File - A file upload widget ("< input type="file" >") IWL::Form - A form widget ("< form >") IWL::Frame - A frame widget ("< fieldset >") IWL::Hidden - A hidden input object ("< input type="hidden" >") IWL::Hbox - A container widget for positioning widgets horizontally IWL::Iconbox - An iconbox widget (holds icons and has keyboard navigation) IWL::Iconbox::Icon - An icon widget for the iconbox IWL::Image - An image widget ("< img >") IWL::Input - A generic input widget ("< input >") IWL::InputButton - A generic button widget ("< input type="button" >") IWL::Label - A label widget IWL::List - A widget for creating bulleted or numbered lists IWL::List::Definition - A definition list item IWL::Menu - A menu widget IWL::Menu::Item - A menu item widget for menus and menubars IWL::Menubar - A menubar widget IWL::NavBar - A navigation bar widget IWL::Notebook - A tab notebook widget IWL::Notebook::Tab - A tab widget for the notebook IWL::Page - A page widget, for creating new pages IWL::Page::Link - A link object for the page widget ("< link >") IWL::Page::Meta - A meta object for the page widget ("< meta >") IWL::PageControl - A page control widget for paginating other widgets IWL::RadioButton - A radiobutton widget (radiobutton + text) IWL::RPC - A helper class for ajax connections and cgi parameters IWL::Script - A script object ("< script >") IWL::Slider - A slider widget IWL::Stash - A stash class for form information encapsulation IWL::Stock - A stock object, for buttons and images IWL::Style - A style object ("< style >") IWL::SubmitImage - An input image widget ("< input type="image" >") IWL::Table - A table widget ("< table >") IWL::Table::Cell - A cell widget for the table row ("< td >", "< th >") IWL::Table::Row - A row widget for the table ("< tr ">) IWL::Text - A simple text container IWL::Textarea - A textarea widget ("< textarea >") IWL::Tooltip - A tooltip widget IWL::Tree - A tree widget (has keyboard navigation) IWL::Tree::Cell - A tree cell widget IWL::Tree::Row - A tree row widget IWL::Upload - A theme-able upload widgetCONFIGURATION AND ENVIRONMENTConfiguration is done by editing the ''iwl.conf'' file. It can be placed in the directory of the scripts that use IWL, or it's full path and name can be fiven in the ''IWL_CONFIG_FILE'' environment variable. A default configuration is provided inside IWL::Config(3pm). See IWL::Config(3pm) for more details In order to actually use the library, the javascript and css files will also have to be installed in the server's document root. To do that, the 'iwl-install' script is provided. It is usually located in '/usr/bin'. The script also creates a ''iwl.conf'' file from the user input.Requirements:· JSON· Scalar::Util· Locale::Messages· Locale::TextDomain· HTML::ParserLimitations:· In Internet explorer, floats will escape a container with scrollbars, if the positioning on the container is static, or the floats have a relative positioning· The JSON library used in IWL has a bug where it will incorrectly unescape double quotes. It is preferred to escape potentially dangerous strings beforehand, or not use JSON at all

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