Geek Moot '09 -- Smarty 101
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Smarty 101 Presentation given by Ted Kulp
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Geek Moot '09 -- Smarty 101
- 1. Smarty 101 What? Why? How? Ted Kulp - Shift Refresh, Inc.
- 2. What?
- 3. What? Arguably the most widely used PHP templating system
- 4. What? Arguably the most widely used PHP templating system Created by Andrei Zmievski
- 5. What? Arguably the most widely used PHP templating system Created by Andrei Zmievski Tightly integrated into the CMSMS core
- 6. What? Arguably the most widely used PHP templating system Created by Andrei Zmievski Tightly integrated into the CMSMS core Seamlessly used on all page, module and other templates throughout the system
- 7. What? Arguably the most widely used PHP templating system Created by Andrei Zmievski Tightly integrated into the CMSMS core Seamlessly used on all page, module and other templates throughout the system Released under the LGPL -- basically means it’s pretty liberally licensed
- 8. Why?
- 9. Why? Separates the display logic cleanly from the controller logic
- 10. Why? Separates the display logic cleanly from the controller logic Much safer by not allowing full range of PHP functionality in a template
- 11. Why? Separates the display logic cleanly from the controller logic Much safer by not allowing full range of PHP functionality in a template Allows for many tricks to make complicated display easier
- 12. Why? Separates the display logic cleanly from the controller logic Much safer by not allowing full range of PHP functionality in a template Allows for many tricks to make complicated display easier Get a lot of web-friendly functionality for free
- 13. Why? Separates the display logic cleanly from the controller logic Much safer by not allowing full range of PHP functionality in a template Allows for many tricks to make complicated display easier Get a lot of web-friendly functionality for free And mainly...
- 14. Why? Ugly Not So Much <html> <html> <head> <head> <title><?php echo $title; ?></title> <title>{$title}</title> <?php cms_display_stylesheet() ?> {stylesheet} <?php cms_display_metadata() ?> {metdata} </head> </head> <body> <body> <div id=”body”> <div id=”body”> <?php cms_display_content(‘content_en’) ?> {content} </div> </div> <div id=”footer”> <div id=”footer”> <?php printf(‘%m %d %Y’, cms_page_data(‘date_modified’)) ?> {modified_date|cms_date_format} </div> </div> </body> </body> </html> </html> It’s just plain easier to read
- 15. Absolute musts
- 17. Absolute musts Literal tags Getting available variables
- 18. Absolute musts Literal tags Getting available variables Modifiers
- 19. Literal Tags
- 22. Literal Tags Escapes javascript Escapes CSS Really... escapes anything with { or } in it. Smarty gets confused
- 23. Literal Tags Escapes javascript Escapes CSS Really... escapes anything with { or } in it. Smarty gets confused So literal tags basically have Smarty ignore everything between
- 24. Literal Tags <script type="text/javascript"> / Get all of the tabs and add an onmouseover / / event listener to each tab / var tabs = getElementsByClass('tab', document.getElementById('featuresarea-tabs'),'li') ; for(i=0; i<tabs.length; i++) { ! var this_tab = ! document.getElementById(tabs[i].id); ! this_tab.onmouseover = function(){ ! ! showtab(this.id); ! ! document.getElementById(this.id).className += " selected"; ! }; }! //]]> </script>
- 25. Literal Tags {literal} <script type="text/javascript"> / Get all of the tabs and add an onmouseover / / event listener to each tab / var tabs = getElementsByClass('tab', document.getElementById('featuresarea-tabs'),'li') ; for(i=0; i<tabs.length; i++) { ! var this_tab = ! document.getElementById(tabs[i].id); ! this_tab.onmouseover = function(){ ! ! showtab(this.id); ! ! document.getElementById(this.id).className += " selected"; ! }; }! //]]> </script> {/literal}
- 26. The Immortal Question How do I know what variables are available to me in my template?
- 27. Answer {get_template_vars} !!!!!!!! Gives you all the variables that are available to that template. It’s a must have. Know It Use It Love It
- 28. {get_template_vars} On a regular page, outputs something like: SCRIPT_NAME = /1.6.x/index.php app_name = CMS sitename = CMS Made Simple Site lang = encoding = utf-8 gCms = Object cgsimple = Object content_obj = Object content_id = 69 page = get_template_vars page_id = get_template_vars page_name = get_template_vars etc.
- 29. {get_template_vars} On a regular page, outputs something like: SCRIPT_NAME = /1.6.x/index.php app_name = CMS sitename = CMS Made Simple Site lang = encoding = utf-8 gCms = Object cgsimple = Object content_obj = Object content_id = 69 page = get_template_vars page_id = get_template_vars page_name = get_template_vars etc. Which means you can use: {$page_name} in this template and get the page’s name.
- 30. Modifiers
- 31. Modifiers Take output and modifies it directly in Smarty.
- 32. Modifiers Take output and modifies it directly in Smarty. Allows multiple modifiers to be chained.
- 33. Modifiers Take output and modifies it directly in Smarty. Allows multiple modifiers to be chained. Format: {$variable|modifier_function:extra:parameters}
- 34. Modifiers Take output and modifies it directly in Smarty. Allows multiple modifiers to be chained. Format: {$variable|modifier_function:extra:parameters} Chaining: {$variable|modifier_function|another_one:with:params}
- 35. Modifiers Take output and modifies it directly in Smarty. Allows multiple modifiers to be chained. Format: {$variable|modifier_function:extra:parameters} Chaining: {$variable|modifier_function|another_one:with:params} Smarty comes with a lot of nice modifiers. See chapters 5 and 6 for some examples.
- 36. Examples
- 37. Examples {$title|upper} -- Convert the string to upper case
- 38. Examples {$title|upper} -- Convert the string to upper case {$title|truncate:40:’...’} -- Truncate the string at 40 characters and put an ellipsis on it
- 39. Examples {$title|upper} -- Convert the string to upper case {$title|truncate:40:’...’} -- Truncate the string at 40 characters and put an ellipsis on it {$smarty.now|date_format:”%Y/%m/%d”} -- Get the current date and give it a nice formatting
- 40. Examples {$title|upper} -- Convert the string to upper case {$title|truncate:40:’...’} -- Truncate the string at 40 characters and put an ellipsis on it {$smarty.now|date_format:”%Y/%m/%d”} -- Get the current date and give it a nice formatting {$variable|var_dump} -- Any PHP function will work
- 42. {capture} Allows you capture output of smarty tags and variables and used it elsewhere Useful for testing if something has output data Allows you to get around issues where path of execution isn’t correct
- 43. {capture} Example Div should only show if there is content {capture name=outp}{content block=‘sideblock’|trim}{/capture} {if $smarty.capture.outp} <div id=”sideblock”> {$smarty.capture.outp} </div> {/if}
- 44. {cycle} Used to alternate a set of values Useful for alternating classes - ex. Alternating table rows Multiple columns
- 45. {cycle} Example Split display of items into 2 columns {foreach from=$values item=‘the_item’} <div class=”{cycle values=”col1,col2”}”> {$the_item} </div> {/foreach}
- 46. {escape} Encodes a variable in various formats -- ex. Encode an email address so that it’s not easily scraped by a spam bot Encode output to make sure it’s valid xhtml
- 47. {escape} example Make a legible email address more difficult to read via the source. {$user.email|escape:”hexentity”} (Converts email@domain.com to %62%64, etc.)
- 48. Resources http://smarty.net/manual/en (Please read chapters 3 and 4 at a minimum!!!) http://wiki.cmsmadesimple.org
- 49. Thank you!