Slide Show Plugin

Create web based presentations based on topics with headings.

Introduction

There is already a defacto standard for presentations, why this plugin? This plugin makes sense for organizations that do already have lots of content in TWiki: It is easy to create a web based presentation that contains many links to related content. The plugin does not try to compete with the bells and whistles of the other presentation program, but compelling interactive presentations can be made using the TML (TWiki Markup Language) and plugins, such as TWiki:Plugins.ChartPlugin, TWiki:Plugins.GaugePlugin, TWiki:Plugins.SpreadSheetPlugin, TWiki:Plugins.TWikiDrawPlugin.

Any topic with headings can be converted into a slideshow. Each slide starts with a "---++" heading. There are two modes to view a topic:

• Normal topic view mode: Headings and text is shown in the usual TWiki rendering, representing the outline of the slideshow. This mode is useful to print handouts.
• Presentation mode: Each heading with text is shown as a slide; the format is based on a slide template.

You can start the presentation by clicking on the "Start presentation" button.

Navigation

While in presentation mode you can move around slides using navigation buttons and keys:

Button	Key	Action
	Home	Go to first slide
	Left-arrow, Page-up	Go to previous slide
	Right-arrow, Page-down	Go to next slide
	End	Go to last slide
	Esc	End presentation

Slide navigation is quick because it is done using anchor jumps within the same page. Key-based navigation requires JavaScript enabled.

Syntax Rules

How to Create a Slideshow

• Start with %SLIDESHOWSTART%
  • Use the optional template parameter to specify your own slide template topic, e.g. %SLIDESHOWSTART{ template="MyOwnSlideTemplate" }%
• Create the slides. Start each slide with a "---++" heading and add text like paragraphs, bullets, tables and images.
  • Hint: Make sure to keep each slide short enough so that you do not need to scroll to see all text of a slide during the presentation.
  • Note: You can use any heading level you like, but use the same for all slides.
• End your slideshow with %SLIDESHOWEND%

How to Create Your own Slide Template

To create your own template topic, copy the "Default Slide Template" section below into your own slide template topic and customize it to your needs. It can be activated as the default template in the plugin's TEMPLATE setting, or per slideshow with the %SLIDESHOWSTART{ template="MyOwnSlideTemplate" }% setting.

• Use an HTML table that defines a slide. For example, create one row for the slide title, another one for the slide text.
• These keywords can be used:

  Keyword	What it means
  %SLIDETITLE%	The heading of the slide
  %SLIDETEXT%	The text of the slide
  %SLIDECOMMENT%	The comment of the slide (optional; appended to slide of missing)
  %SLIDENUM%	The current slide number
  %SLIDEMAX%	The last slide number
  %SLIDENAV%	The navigation buttons for "First", "Previous", "Next" slide
  %SLIDENAVALL%	The navigation buttons for "First", "Previous", "Next", "Last" slide
  %SLIDENAVFIRST%	The navigation button for "First slide"
  %SLIDENAVPREV%	The navigation button for "Previous slide"
  %SLIDENAVNEXT%	The navigation button for "Next slide"
  %SLIDENAVLAST%	The navigation button for "Last slide"

• Only text between %STARTINCLUDE% and %STOPINCLUDE% is used for the template.

Example

This is a short example of a slideshow. You should see a "Start presentation" button if this plugin is installed:

Slide 1: Silly Sample Slideshow

Slide 2: Agenda

• Silly Introduction
• Silly Feature
• Silly Conclusion

Slide 3: Silly Introduction

• why foo bar
• blah blah

Comments

• This text is not shown in the slide if HIDECOMMENTS is set to on.

Slide 4: Silly Feature

• it's foo bar
• more foo bar

Slide 5: Silly Conclusion

• foo is bar
• bar is foo

This text is not part of the slideshow

SlideShowPlugin Global Settings

Plugin settings are stored as preferences variables. To reference a plugin setting write %<plugin>_<setting>%, i.e. %SLIDESHOWPLUGIN_SHORTDESCRIPTION%

• One line description, is shown in the TextFormattingRules topic:
  • Set SHORTDESCRIPTION = Create web based presentations based on topics with headings.

• Debug plugin: (See output in data/debug.txt)
  • Set DEBUG = 0

• Default template for slides:
  • Set TEMPLATE = SlideShowPlugin

• Hide text starting with a ---+++ Comments heading:
  • Set HIDECOMMENTS = on

Default Slide Template

The part between the rulers defines the default format of a slide:

%SLIDETITLE%

%SLIDENAVNEXT%

%SLIDETEXT%

Plugin Installation Instructions

Note: This plugin is pre-installed. TWiki administrators can upgrade it as needed on the TWiki server.

• For an automated installation, run the configure script and follow "Find More Extensions" in the in the Extensions section.

• Or, follow these manual installation steps:
  • Download the ZIP file from the Plugins home (see below).
  • Unzip SlideShowPlugin.zip in your twiki installation directory. Content:

    File:	Description:
    data/TWiki/SlideShowPlugin.txt	Plugin topic
    data/TWiki/VarSLIDESHOWSTART.txt	Documentation of the SLIDESHOWSTART variable
    data/TWiki/VarSLIDESHOWEND.txt	Documentation of the SLIDESHOWEND variable
    pub/TWiki/*.gif	Various button image files
    lib/TWiki/Plugins/SlideShowPlugin.pm	Plugin Perl module
    lib/TWiki/Plugins/SlideShowPlugin/SlideShow.pm	Plugin core module

  • Set the ownership of the extracted directories and files to the webserver user.

• Plugin configuration and testing:
  • Run the configure script and enable the plugin in the Plugins section.
  • Test if the installation was successful: See example above.

Plugin Info

Related Topics: VarSLIDESHOWSTART, VarSLIDESHOWEND, TWikiPreferences, TWikiPlugins