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| author | Igor Wiedler <igor@wiedler.ch> | 2012-04-07 18:27:30 +0200 |
|---|---|---|
| committer | Igor Wiedler <igor@wiedler.ch> | 2012-04-07 18:27:30 +0200 |
| commit | 24daef1aafb0a733c3428122d740fea17d4f34a0 (patch) | |
| tree | 19338a7c549089437f2f9cb708f6afb8a26e733a /phpBB/includes/style/template_context.php | |
| parent | 3963b39634225a68687cf1b817a47ae1eeb6ac79 (diff) | |
| parent | 713e7129e2dfb1039f5198c03c8808c8410f434a (diff) | |
| download | forums-24daef1aafb0a733c3428122d740fea17d4f34a0.tar forums-24daef1aafb0a733c3428122d740fea17d4f34a0.tar.gz forums-24daef1aafb0a733c3428122d740fea17d4f34a0.tar.bz2 forums-24daef1aafb0a733c3428122d740fea17d4f34a0.tar.xz forums-24daef1aafb0a733c3428122d740fea17d4f34a0.zip | |
Merge branch 'develop' into feature/avatars
* develop: (335 commits)
[ticket/10575] Adding public visibility to the methods.
[ticket/10575] Fixing non-static access to static functions get_instance
[ticket/10547] User is not logged in as admin after installation
[ticket/10650] Revert merge of 'rahulr92/ticket/10650' into develop
[ticket/10650] Added checking for empty subjects
[ticket/10650] Corrected intendation
[ticket/10650]Added permission checking and utf8 functions
[ticket/10650] Cropped subject and inserted newline
[ticket/10650] Corrected space before true
[ticket/10650] Changed language files and forumlist
[ticket/10650] Added static sql files
[ticket/10650] Displaying last topic on forum list
[ticket/10760] Fix numbering in php fun facts.
[ticket/10760] Value must be quoted as it might be two words.
[ticket/10760] PHP is great. This commit is the proof.
[ticket/10760] Catch both versions of parse error output in php.
[ticket/10607] Added 'Powered by' translation string.
[ticket/10760] Account for display_errors=stderr in pre-commit hook.
[ticket/10760] Quote PHP_BIN when using it.
[ticket/10760] Use echo -e only if echo understands -e.
...
Diffstat (limited to 'phpBB/includes/style/template_context.php')
| -rw-r--r-- | phpBB/includes/style/template_context.php | 359 |
1 files changed, 359 insertions, 0 deletions
diff --git a/phpBB/includes/style/template_context.php b/phpBB/includes/style/template_context.php new file mode 100644 index 0000000000..b22f77da2e --- /dev/null +++ b/phpBB/includes/style/template_context.php @@ -0,0 +1,359 @@ +<?php +/** +* +* @package phpBB3 +* @copyright (c) 2011 phpBB Group +* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2 +* +*/ + +/** +* @ignore +*/ +if (!defined('IN_PHPBB')) +{ + exit; +} + +/** +* Stores variables assigned to template. +* +* @package phpBB3 +*/ +class phpbb_style_template_context +{ + /** + * variable that holds all the data we'll be substituting into + * the compiled templates. Takes form: + * --> $this->tpldata[block][iteration#][child][iteration#][child2][iteration#][variablename] == value + * if it's a root-level variable, it'll be like this: + * --> $this->tpldata[.][0][varname] == value + * + * @var array + */ + private $tpldata = array('.' => array(0 => array())); + + /** + * @var array Reference to template->tpldata['.'][0] + */ + private $rootref; + + public function __construct() + { + $this->clear(); + } + + /** + * Clears template data set. + */ + public function clear() + { + $this->tpldata = array('.' => array(0 => array())); + $this->rootref = &$this->tpldata['.'][0]; + } + + /** + * Assign a single scalar value to a single key. + * + * Value can be a string, an integer or a boolean. + * + * @param string $varname Variable name + * @param string $varval Value to assign to variable + */ + public function assign_var($varname, $varval) + { + $this->rootref[$varname] = $varval; + + return true; + } + + /** + * Append text to the string value stored in a key. + * + * Text is appended using the string concatenation operator (.). + * + * @param string $varname Variable name + * @param string $varval Value to append to variable + */ + public function append_var($varname, $varval) + { + $this->rootref[$varname] = (isset($this->rootref[$varname]) ? $this->rootref[$varname] : '') . $varval; + + return true; + } + + /** + * Returns a reference to template data array. + * + * This function is public so that template renderer may invoke it. + * Users should alter template variables via functions in phpbb_style_template. + * + * Note: modifying returned array will affect data stored in the context. + * + * @return array template data + */ + public function &get_data_ref() + { + // returning a reference directly is not + // something php is capable of doing + $ref = &$this->tpldata; + return $ref; + } + + /** + * Returns a reference to template root scope. + * + * This function is public so that template renderer may invoke it. + * Users should not need to invoke this function. + * + * Note: modifying returned array will affect data stored in the context. + * + * @return array template data + */ + public function &get_root_ref() + { + // rootref is already a reference + return $this->rootref; + } + + /** + * Assign key variable pairs from an array to a specified block + * + * @param string $blockname Name of block to assign $vararray to + * @param array $vararray A hash of variable name => value pairs + */ + public function assign_block_vars($blockname, array $vararray) + { + if (strpos($blockname, '.') !== false) + { + // Nested block. + $blocks = explode('.', $blockname); + $blockcount = sizeof($blocks) - 1; + + $str = &$this->tpldata; + for ($i = 0; $i < $blockcount; $i++) + { + $str = &$str[$blocks[$i]]; + $str = &$str[sizeof($str) - 1]; + } + + $s_row_count = isset($str[$blocks[$blockcount]]) ? sizeof($str[$blocks[$blockcount]]) : 0; + $vararray['S_ROW_COUNT'] = $s_row_count; + + // Assign S_FIRST_ROW + if (!$s_row_count) + { + $vararray['S_FIRST_ROW'] = true; + } + + // Now the tricky part, we always assign S_LAST_ROW and remove the entry before + // This is much more clever than going through the complete template data on display (phew) + $vararray['S_LAST_ROW'] = true; + if ($s_row_count > 0) + { + unset($str[$blocks[$blockcount]][($s_row_count - 1)]['S_LAST_ROW']); + } + + // Now we add the block that we're actually assigning to. + // We're adding a new iteration to this block with the given + // variable assignments. + $str[$blocks[$blockcount]][] = $vararray; + } + else + { + // Top-level block. + $s_row_count = (isset($this->tpldata[$blockname])) ? sizeof($this->tpldata[$blockname]) : 0; + $vararray['S_ROW_COUNT'] = $s_row_count; + + // Assign S_FIRST_ROW + if (!$s_row_count) + { + $vararray['S_FIRST_ROW'] = true; + } + + // We always assign S_LAST_ROW and remove the entry before + $vararray['S_LAST_ROW'] = true; + if ($s_row_count > 0) + { + unset($this->tpldata[$blockname][($s_row_count - 1)]['S_LAST_ROW']); + } + + // Add a new iteration to this block with the variable assignments we were given. + $this->tpldata[$blockname][] = $vararray; + } + + return true; + } + + /** + * Change already assigned key variable pair (one-dimensional - single loop entry) + * + * An example of how to use this function: + * {@example alter_block_array.php} + * + * @param string $blockname the blockname, for example 'loop' + * @param array $vararray the var array to insert/add or merge + * @param mixed $key Key to search for + * + * array: KEY => VALUE [the key/value pair to search for within the loop to determine the correct position] + * + * int: Position [the position to change or insert at directly given] + * + * If key is false the position is set to 0 + * If key is true the position is set to the last entry + * + * @param string $mode Mode to execute (valid modes are 'insert' and 'change') + * + * If insert, the vararray is inserted at the given position (position counting from zero). + * If change, the current block gets merged with the vararray (resulting in new key/value pairs be added and existing keys be replaced by the new value). + * + * Since counting begins by zero, inserting at the last position will result in this array: array(vararray, last positioned array) + * and inserting at position 1 will result in this array: array(first positioned array, vararray, following vars) + * + * @return bool false on error, true on success + */ + public function alter_block_array($blockname, array $vararray, $key = false, $mode = 'insert') + { + if (strpos($blockname, '.') !== false) + { + // Nested block. + $blocks = explode('.', $blockname); + $blockcount = sizeof($blocks) - 1; + + $block = &$this->tpldata; + for ($i = 0; $i < $blockcount; $i++) + { + if (($pos = strpos($blocks[$i], '[')) !== false) + { + $name = substr($blocks[$i], 0, $pos); + + if (strpos($blocks[$i], '[]') === $pos) + { + $index = sizeof($block[$name]) - 1; + } + else + { + $index = min((int) substr($blocks[$i], $pos + 1, -1), sizeof($block[$name]) - 1); + } + } + else + { + $name = $blocks[$i]; + $index = sizeof($block[$name]) - 1; + } + $block = &$block[$name]; + $block = &$block[$index]; + } + + $block = &$block[$blocks[$i]]; // Traverse the last block + } + else + { + // Top-level block. + $block = &$this->tpldata[$blockname]; + } + + // Change key to zero (change first position) if false and to last position if true + if ($key === false || $key === true) + { + $key = ($key === false) ? 0 : sizeof($block); + } + + // Get correct position if array given + if (is_array($key)) + { + // Search array to get correct position + list($search_key, $search_value) = @each($key); + + $key = NULL; + foreach ($block as $i => $val_ary) + { + if ($val_ary[$search_key] === $search_value) + { + $key = $i; + break; + } + } + + // key/value pair not found + if ($key === NULL) + { + return false; + } + } + + // Insert Block + if ($mode == 'insert') + { + // Make sure we are not exceeding the last iteration + if ($key >= sizeof($this->tpldata[$blockname])) + { + $key = sizeof($this->tpldata[$blockname]); + unset($this->tpldata[$blockname][($key - 1)]['S_LAST_ROW']); + $vararray['S_LAST_ROW'] = true; + } + else if ($key === 0) + { + unset($this->tpldata[$blockname][0]['S_FIRST_ROW']); + $vararray['S_FIRST_ROW'] = true; + } + + // Re-position template blocks + for ($i = sizeof($block); $i > $key; $i--) + { + $block[$i] = $block[$i-1]; + } + + // Insert vararray at given position + $block[$key] = $vararray; + + return true; + } + + // Which block to change? + if ($mode == 'change') + { + if ($key == sizeof($block)) + { + $key--; + } + + $block[$key] = array_merge($block[$key], $vararray); + + return true; + } + + return false; + } + + /** + * Reset/empty complete block + * + * @param string $blockname Name of block to destroy + */ + public function destroy_block_vars($blockname) + { + if (strpos($blockname, '.') !== false) + { + // Nested block. + $blocks = explode('.', $blockname); + $blockcount = sizeof($blocks) - 1; + + $str = &$this->tpldata; + for ($i = 0; $i < $blockcount; $i++) + { + $str = &$str[$blocks[$i]]; + $str = &$str[sizeof($str) - 1]; + } + + unset($str[$blocks[$blockcount]]); + } + else + { + // Top-level block. + unset($this->tpldata[$blockname]); + } + + return true; + } +} |