diff --git a/wire/core/WireMarkupRegions.php b/wire/core/WireMarkupRegions.php index 4256174f..82b33270 100644 --- a/wire/core/WireMarkupRegions.php +++ b/wire/core/WireMarkupRegions.php @@ -12,6 +12,32 @@ class WireMarkupRegions extends Wire { + /** + * HTML tag names that require no closing tag + * + * @var array + * + */ + protected $selfClosingTags = array( + 'input', + 'img', + ); + + /** + * Supported markup region actions + * + * @var array + * + */ + protected $actions = array( + 'prepend', + 'append', + 'before', + 'after', + 'replace', + 'remove', + ); + /** * Locate and return all regions of markup having the given attribute * @@ -50,7 +76,7 @@ class WireMarkupRegions extends Wire { ); $options = array_merge($defaults, $options); - $selectorInfo = $this->parseFindSelector($selector); + $selectorInfo = $this->parseFindSelector($selector); $tests = $selectorInfo['tests']; $findTag = $selectorInfo['findTag']; $hasClass = $selectorInfo['hasClass']; @@ -101,10 +127,10 @@ class WireMarkupRegions extends Wire { // pre-checks to make sure this iteration is allowed if($findTag && $tagInfo['name'] !== $findTag) continue; - if($hasClass && !$this->hasClass($hasClass, $tagInfo['classes'])) continue; + if(!$tagInfo['action'] && $hasClass && !$this->hasClass($hasClass, $tagInfo['classes'])) continue; // build the region (everything in $markupAfter that starts after the ">") - $region = substr($markupAfter, $closeOpenTagPos + 1); + $region = empty($tagInfo['close']) ? '' : substr($markupAfter, $closeOpenTagPos + 1); $region = $this->getTagRegion($region, $tagInfo, $options); if($options['single']) { @@ -112,21 +138,9 @@ class WireMarkupRegions extends Wire { $regions = $region; break; - } else if($hasClass) { - // add to regions array as regions having class - $regions[] = $region; - - } else if($tagInfo['id']) { - // add to regions array as region with id - $id = $tagInfo['id']; - while(isset($regions["#$id"])) $id .= '-'; - $regions["#$id"] = $region; - } else { - // unknown identity for region, add to regions array with "tag[n]" keys - $cnt = 1; - while(isset($regions["$tagInfo[name]-$cnt"])) $cnt++; - $regions["$tagInfo[name]-$cnt"] = $region; + while(isset($regions[$pos])) $pos++; + $regions[$pos] = $region; } if($options['leftover']) { @@ -164,7 +178,8 @@ class WireMarkupRegions extends Wire { if($key === 'leftover') { $leftover .= $region; } else { - $regions[] = $region; + while(isset($regions[$key])) $key++; + $regions[$key] = $region; } } $markup = $leftover; @@ -181,6 +196,8 @@ class WireMarkupRegions extends Wire { $regions['leftover'] = $leftover; } + ksort($regions); + return $regions; } @@ -220,7 +237,7 @@ class WireMarkupRegions extends Wire { * 'tests' => [ 0 => '', 1 => '', ...], * 'find' => '', * 'findTag' => '', - * 'hasClass' => '' + * 'hasClass' => '', * ] * */ @@ -228,6 +245,7 @@ class WireMarkupRegions extends Wire { $findTag = ''; $hasClass = ''; + $finds = array(); if(strpos($find, '.') > 0) { // i.e. "div.myclass" @@ -239,18 +257,20 @@ class WireMarkupRegions extends Wire { } } - if(strpos($find, '#') === 0) { - // match an id attribute + $c = substr($find, 0, 1); + + if($c === '#') { + // match an id, pw-id or data-pw-id attribute $find = trim($find, '# '); - $finds = array( - " id=\"$find\"", - " id='$find'", - " id=$find ", - " id=$find>" - ); - - } else if(strpos($find, '.') === 0 && substr($find, -1) == '*') { - // match a class name prefix + foreach(array('pw-id', 'data-pw-id', 'id') as $attr) { + $finds[] = " $attr=\"$find\""; + $finds[] = " $attr='$find'"; + $finds[] = " $attr=$find "; + $finds[] = " $attr=$find>"; + } + + } else if($c === '.' && substr($find, -1) == '*') { + // match a class name prefix or action prefix $find = trim($find, '.*'); $finds = array( ' class="' . $find, @@ -260,10 +280,11 @@ class WireMarkupRegions extends Wire { "'$find", "\"$find", ); + if(strpos($find, 'pw-') !== false) $finds[] = " data-$find"; $hasClass = "$find*"; - } else if(strpos($find, '.') === 0) { - // match a class name + } else if($c === '.') { + // match a class name or action $find = trim($find, '.'); $finds = array( ' class="' . $find . '"', @@ -276,9 +297,10 @@ class WireMarkupRegions extends Wire { "\"$find ", " $find ", ); + if(strpos($find, 'pw-') !== false) $finds[] = " data-$find"; $hasClass = $find; - } else if(strpos($find, '<') === 0) { + } else if($c === '<') { // matching a single-use HTML tag $finds = array( $find, @@ -303,6 +325,21 @@ class WireMarkupRegions extends Wire { } else { $finds = array(" $attr="); } + + if(strpos($find, 'id=') === 0) { + // when finding an id attribute, also allow for "pw-id=" and "data-pw-id=" + foreach($finds as $find) { + $find = ltrim($find); + $finds[] = " pw-id="; + $finds[] = " data-pw-id="; + } + } + + } else if(substr($find, -1) == '*') { + // data-pw-* matches non-value attribute starting with a prefix + $finds = array( + " $find", + ); } else { // "data-something" matches attributes with no value, like "
" @@ -327,37 +364,47 @@ class WireMarkupRegions extends Wire { * @param string $region Markup that occurs after the ">" of the tag you want to get the region of. * @param array $tagInfo Array returned by getTagInfo method. * @param array $options Options to modify behavior, see getMarkupRegions $options argument. + * - `verbose` (bool): Verbose mode (default=false) + * - `wrap` (bool): Whether or not wrapping markup should be included (default=false) * @return array|string Returns string except when verbose mode enabled it returns array. * */ protected function getTagRegion($region, array $tagInfo, array $options) { - $closeQty = substr_count($region, $tagInfo['close']); - $verboseRegion = array(); + // options + $verbose = empty($options['verbose']) ? false : true; + $wrap = empty($options['wrap']) ? false : $options['wrap']; - if($options['verbose']) $verboseRegion = array( + if($verbose) $verboseRegion = array( 'name' => "$tagInfo[name]", + 'pwid' => "$tagInfo[pwid]", 'open' => "$tagInfo[src]", 'close' => "$tagInfo[close]", 'attrs' => $tagInfo['attrs'], 'classes' => $tagInfo['classes'], + 'action' => $tagInfo['action'], + 'actionType' => $tagInfo['actionType'], + 'actionTarget' => $tagInfo['actionTarget'], 'details' => '', 'region' => '', // region without wrapping tags 'html' => '', // region with wrapping tags ); + + $selfClose = empty($tagInfo['close']); + $closeQty = $selfClose ? 1 : substr_count($region, $tagInfo['close']); if(!$closeQty) { // there is no close tag, meaning all of markupAfter is the region - if($options['verbose']) { - $verboseRegion['details'] = 'No closing tag, matched rest of document'; - } + if($verbose) $verboseRegion['details'] = 'No closing tag, matched rest of document'; + + } else if($selfClose) { + $region = ''; + if($verbose) $verboseRegion['details'] = 'Self closing tag (empty region)'; } else if($closeQty === 1) { // just one close tag present, making our job easy $region = substr($region, 0, strrpos($region, $tagInfo['close'])); - if($options['verbose']) { - $verboseRegion['details'] = 'Only 1 possible closing tag'; - } + if($verbose) $verboseRegion['details'] = 'Only 1 possible closing tag'; } else { // multiple close tags present, must figure out which is the right one @@ -380,21 +427,20 @@ class WireMarkupRegions extends Wire { } } while($doCnt < 200 && $testStart < strlen($region)); - if($options['verbose']) { - $verboseRegion['details'] = "Matched region after testing $doCnt <$tagInfo[name]> tag(s)"; - } + if($verbose) $verboseRegion['details'] = "Matched region after testing $doCnt <$tagInfo[name]> tag(s)"; } + + // region with wrapping tag + $wrapRegion = $selfClose ? "$tagInfo[src]" : "$tagInfo[src]$region$tagInfo[close]"; - if($options['verbose']) { + if($verbose) { $verboseRegion['region'] = $region; - $verboseRegion['html'] = $tagInfo['src'] . $region . $tagInfo['close']; + $verboseRegion['html'] = $wrapRegion; return $verboseRegion; } // include wrapping markup if asked for - if($options['wrap']) { - $region = $tagInfo['src'] . $region . $tagInfo['close']; - } + if($wrap) $region = $wrapRegion; return $region; } @@ -405,6 +451,10 @@ class WireMarkupRegions extends Wire { * Returned info includes: * - `name` (string): Tag name * - `id` (string): Value of id attribute + * - `pwid` (string): PW region ID from 'pw-id' or 'data-pw-id', or if not present, then same as 'id' + * - `action` (string): Action for this region, without “pw-” prefix. + * - `actionTarget` (string): Target id for the action, if applicable. + * - `actionType` (string): "class" if action specified as class name, "attr" if specified as a pw- or data-pw attribute. * - `classes` (array): Array of class names (from class attribute). * - `attrs` (array): Associative array of all attributes, all values are strings. * - `attrStr` (string): All attributes in a string @@ -433,7 +483,8 @@ class WireMarkupRegions extends Wire { $pos = strpos($tag, '>'); if($pos) $tag = substr($tag, 0, $pos); while(strpos($tag, ' ') !== false) $tag = str_replace(' ', ' ', $tag); - $tag = str_replace(array(' =', '= '), '=', $tag); + $tag = str_replace(array(' =', '= '), '=', $tag); + $tag .= ' '; // extra space for loop below // iterate through each character in the tag for($n = 0; $n < strlen($tag); $n++) { @@ -509,18 +560,90 @@ class WireMarkupRegions extends Wire { } if($name && !isset($attrs[$name])) $attrs[$name] = $val; + $tag = rtrim($tag); // remove extra space we added + $tagName = strtolower($tagName); + $selfClosing = in_array($tagName, $this->selfClosingTags); + $classes = isset($attrs['class']) ? explode(' ', $attrs['class']) : array(); + $id = isset($attrs['id']) ? $attrs['id'] : ''; + $pwid = ''; + $action = ''; + $actionTarget = ''; + $actionType = ''; + + // determine action and action target from attributes + foreach($attrs as $name => $value) { + $pwpos = strpos($name, 'pw-'); + if($pwpos === false) continue; + if($name === 'pw-id' || $name === 'data-pw-id') { + // id attribute + if(!$pwid) $pwid = $value; + unset($attrs[$name]); + } else if($pwpos === 0) { + // action attribute + list($prefix, $action) = explode('-', $name, 2); + if($prefix) {} // ignore + } else if(strpos($name, 'data-pw-') === 0) { + // action data attribute + list($ignore, $prefix, $action) = explode('-', $name, 3); + if($ignore && $prefix) {} // ignore + } + if($action && !$actionTarget) { + if(strpos($action, '-')) { + list($action, $actionTarget) = explode('-', $action, 2); + } else { + $actionTarget = $value; + } + if($actionTarget && in_array($action, $this->actions)) { + // found a valid action and target + unset($attrs[$name]); + $actionType = $actionTarget === true ? 'bool' : 'attr'; + } else { + // unrecognized action + $action = ''; + $actionTarget = ''; + } + } + } + + // if action was not specified as an attribute, see if action is specified as a class name + if(!$action) foreach($classes as $key => $class) { + if(strpos($class, 'pw-') !== 0) continue; + list($prefix, $action) = explode('-', $class, 2); + if(strpos($action, '-')) list($action, $actionTarget) = explode('-', $action, 2); + if($prefix && $actionTarget) {} // ignore + if(in_array($action, $this->actions)) { + // valid action, remove action from classes and class attribute + unset($classes[$key]); + $attrs['class'] = implode(' ', $classes); + $actionType = 'class'; + break; + } else { + // unrecognized action + $action = ''; + $actionTarget = ''; + } + } + + if(!$pwid) $pwid = $id; + + // if there's an action, but no target, the target is assumed to be the pw-id or id + if($action && (!$actionTarget || $actionTarget === true)) $actionTarget = $pwid; $info = array( - 'id' => isset($attrs['id']) ? $attrs['id'] : '', + 'id' => $id, + 'pwid' => $pwid ? $pwid : $id, 'name' => $tagName, - 'classes' => isset($attrs['class']) ? explode(' ', $attrs['class']) : array(), + 'classes' => $classes, 'attrs' => $attrs, 'attrStr' => $attrStr, 'src' => $originalTag, 'tag' => "<$tag>", - 'close' => "", + 'close' => $selfClosing ? "" : "", + 'action' => $action, + 'actionTarget' => $actionTarget, + 'actionType' => $actionType, ); - + return $info; } @@ -681,7 +804,7 @@ class WireMarkupRegions extends Wire { * Does the given attribute name and value appear somewhere in the given html? * * @param string $name - * @param string $value + * @param string|bool $value Value to find, or specify boolean true for boolean attribute without value * @param string $html * @return bool Returns false if it doesn't appear, true if it does * @@ -689,18 +812,36 @@ class WireMarkupRegions extends Wire { public function hasAttribute($name, $value, &$html) { $pos = null; - $tests = array( - " $name=\"$value\"", - " $name='$value'", - " $name=$value ", - ); - - // if there's no space in value, we also check non-quoted values - if(strpos($value, ' ') === false) { - $tests[] = " $name=$value "; - $tests[] = " $name=$value>"; + + if($value === true) { + $tests = array( + " $name ", + " $name>", + " $name=", + " $name/", + ); + + } else { + $tests = array( + " $name=\"$value\"", + " $name='$value'", + ); + + // if there's no space in value, we also check non-quoted values + if(strpos($value, ' ') === false) { + $tests[] = " $name=$value "; + $tests[] = " $name=$value>"; + } } + if($name == 'id') { + foreach($tests as $test) { + $test = ltrim($test); + $tests[] = " pw-id-$test"; + $tests[] = " data-pw-id-$test"; + } + } + foreach($tests as $test) { $pos = stripos($html, $test); if($pos === false) continue; @@ -714,7 +855,16 @@ class WireMarkupRegions extends Wire { if($pos === false && stripos($html, $name) !== false && stripos($html, $value) !== false) { // maybe doesn't appear due to some whitespace difference, check again using a regex - $regex = '/<[^<>]*\s' . preg_quote($name) . '\s*=\s*["\']?' . preg_quote($value) . '(?:["\']|[\s>])/i'; + if($name == 'id') { + $names = '(id|pw-id|data-pw-id)'; + } else { + $names = preg_quote($name); + } + if($value === true) { + $regex = '!<[^<>]*\s' . $names . '[=\s/>]!i'; + } else { + $regex = '/<[^<>]*\s' . $names . '\s*=\s*["\']?' . preg_quote($value) . '(?:["\']|[\s>])/i'; + } if(preg_match($regex, $html)) $pos = true; } @@ -732,7 +882,7 @@ class WireMarkupRegions extends Wire { * @param string $content Markup/text to update with * @param string $markup Document markup where region(s) exist * @param array $options Specify any of the following: - * - `mode` (string): May be 'replace', 'append', 'prepend', 'before', 'after', 'remove', or 'auto'. + * - `action` (string): May be 'replace', 'append', 'prepend', 'before', 'after', 'remove', or 'auto'. * - `mergeAttr` (array): Array of attrs to add/merge to the wrapping element, or HTML tag with attrs to merge. * @return string * @@ -740,7 +890,7 @@ class WireMarkupRegions extends Wire { public function update($selector, $content, $markup, array $options = array()) { $defaults = array( - 'mode' => 'auto', + 'action' => 'auto', 'mergeAttr' => array(), ); @@ -755,24 +905,19 @@ class WireMarkupRegions extends Wire { foreach($findRegions as $region) { - $mode = $options['mode']; + $action = $options['action']; if(count($options['mergeAttr'])) { $region['open'] = $this->mergeTags($region['open'], $options['mergeAttr']); } - if($mode == 'auto') { - // auto mode delegates to the source markup class name of pw-append, pw-prepend, etc. - $mode = ''; - foreach(array('append', 'prepend', 'replace', 'before', 'after', 'remove') as $m) { - if(in_array("pw-$m", $region['classes'])) { - $mode = $m; - break; - } - } + if($action == 'auto') { + // auto mode delegates to the region action + $action = ''; + if(in_array($region['action'], $this->actions)) $action = $region['action']; } - switch($mode) { + switch($action) { case 'append': $replacement = $region['open'] . $region['region'] . $content . $region['close']; break; @@ -789,7 +934,8 @@ class WireMarkupRegions extends Wire { $replacement = ''; break; default: - $replacement = $region['open'] . $content. $region['close']; // replace + // replace + $replacement = $region['open'] . $content . $region['close']; } $markup = str_replace($region['html'], $replacement, $markup); @@ -809,7 +955,7 @@ class WireMarkupRegions extends Wire { * */ public function replace($selector, $replace, $markup, array $options = array()) { - $options['mode'] = 'replace'; + $options['action'] = 'replace'; return $this->replace($selector, $replace, $markup, $options); } @@ -824,7 +970,7 @@ class WireMarkupRegions extends Wire { * */ public function append($selector, $content, $markup, array $options = array()) { - $options['mode'] = 'append'; + $options['action'] = 'append'; return $this->replace($selector, $content, $markup, $options); } @@ -839,7 +985,7 @@ class WireMarkupRegions extends Wire { * */ public function prepend($selector, $content, $markup, array $options = array()) { - $options['mode'] = 'prepend'; + $options['action'] = 'prepend'; return $this->replace($selector, $content, $markup, $options); } @@ -854,7 +1000,7 @@ class WireMarkupRegions extends Wire { * */ public function before($selector, $content, $markup, array $options = array()) { - $options['mode'] = 'before'; + $options['action'] = 'before'; return $this->replace($selector, $content, $markup, $options); } @@ -869,7 +1015,7 @@ class WireMarkupRegions extends Wire { * */ public function after($selector, $content, $markup, array $options = array()) { - $options['mode'] = 'after'; + $options['action'] = 'after'; return $this->replace($selector, $content, $markup, $options); } @@ -883,7 +1029,7 @@ class WireMarkupRegions extends Wire { * */ public function remove($selector, $markup, array $options = array()) { - $options['mode'] = 'after'; + $options['action'] = 'after'; // after intended return $this->replace($selector, '', $markup, $options); } @@ -907,30 +1053,55 @@ class WireMarkupRegions extends Wire { * so that attributes present in the final output are present, plus any that were added by the markup * regions. See the examples for more details. * + * Examples + * ======== * Below are some examples. Note that “main” is used as an example “id” attribute of an element that * appears in the main document markup, and the examples below focus on manipulating it. The examples * assume there is a `
` in the _main.php file (appendTemplateFile), and the lines in the * examples would be output from a template file, which manipulates what would ultimately be output * when the page is rendered. + * + * In the examples, a “pw-id” or “data-pw-id” attribute may be used instead of an “id” attribute, when + * or if preferred. In addition, any “pw-” attribute may be specified as a “data-pw-” attribute if you + * prefer it. If you don't like using “pw-” class names, then use “pw-” attributes instead. * ~~~~~~ * Replacing and removing elements + * *
This replaces the #main div and merges any attributes
- *
This does the same as above
+ *
This does the same as above
+ * *
This removes #main completely
+ *
This does the same as above
* * Prepending and appending elements + * *

This prepends #main with this p tag

- *

This prepends #main and adds "bar" class to main

+ *

This does the same as above

+ * *

This appends #main with this p tag

+ *

This does the same as above

+ * + * Modifying attributes on an existing element + * + *

This prepends #main and adds "bar" class to main

*

This appends #main and adds a "foo" class to #main

+ * *
Appends #main with this text + adds title attribute to #main
*
Appends #main with this text + removes class “baz” from #main
* * Inserting new elements + * *

This adds an h2 headline with this text before #main

+ *

This does the same as above

+ * *

This adds a footer element with this text after #main

+ *

This does the same as above

+ * *
This appends a div.foo to #main with this text
+ *
This does the same as above
+ * *
This prepends a div.bar to #main with this text
+ *
This does the same as above
* ~~~~~~ * * @param string $htmlDocument Document to populate regions to @@ -942,65 +1113,72 @@ class WireMarkupRegions extends Wire { static $recursionLevel = 0; $recursionLevel++; + $leftoverMarkup = ''; + $debugLandmark = ""; + $debug = ($this->wire('config')->debug || strpos($htmlDocument, $debugLandmark)) && $this->wire('user')->isSuperuser(); - if(strpos($htmlDocument, ' id=') === false) return 0; if(is_array($htmlRegions)) { $regions = $htmlRegions; $leftoverMarkup = ''; - } else { - if(!$this->hasRegions($htmlRegions)) return 0; + + } else if($this->hasRegions($htmlRegions)) { $regions = $this->find(".pw-*, id=", $htmlRegions, array( 'verbose' => true, 'leftover' => true )); $leftoverMarkup = trim($regions["leftover"]); unset($regions["leftover"]); + + } else { + $regions = array(); } - if(!count($regions)) return 0; + if(!count($regions)) { + if($debug) $htmlDocument = str_replace($debugLandmark, "
No regions
$debugLandmark", $htmlDocument); + return 0; + } $xregions = array(); // regions that weren't populated $populatedNotes = array(); $rejectedNotes = array(); $numUpdates = 0; - $debugLandmark = ""; - $debug = ($this->wire('config')->debug || strpos($htmlDocument, $debugLandmark)) && $this->wire('user')->isSuperuser(); foreach($regions as $regionKey => $region) { + if(empty($region['action'])) $region['action'] = 'auto'; // replace + if(empty($region['actionTarget'])) $region['actionTarget'] = $region['pwid']; // replace + + $region['note'] = "id=$region[pwid], action=$region[action], target=$region[actionTarget]: $region[open]"; $xregion = $region; - $this->populateRegionDetails($region); - $mode = $region['mode']; - $id = $region['attrs']['id']; + $action = $region['action']; + $actionTarget = $region['actionTarget']; $regionHTML = $region['region']; $mergeAttr = $region['attrs']; $regionNote = "$regionKey. $region[note]"; unset($mergeAttr['id']); + $documentHasTarget = $this->hasAttribute('id', $actionTarget, $htmlDocument); + $isNew = ($region['actionType'] == 'attr' && $region['action'] != 'replace'); + if(!$isNew) $isNew = $action == 'before' || $action == 'after'; - if($region['new']) { + if($isNew) { // element is newly added element not already present $mergeAttr = array(); $regionHTML = $region['html']; $attrs = $region['attrs']; - unset($attrs['id']); - if(isset($attrs['data-id'])) { - $attrs['id'] = $attrs['data-id']; - unset($attrs['data-id']); - } $attrStr = count($attrs) ? ' ' . $this->renderAttributes($attrs, false) : ''; if(!strlen(trim($attrStr))) $attrStr = ''; $regionHTML = str_replace($region['open'], "<$region[name]$attrStr>", $regionHTML); } // if the id attribute doesn't appear in the html, skip it - if(!$this->hasAttribute('id', $id, $htmlDocument)) { + if(!$documentHasTarget) { $xregions[$regionKey] = $xregion; $rejectedNotes[] = $regionNote; } else { // update the markup - $htmlDocument = $this->update("#$id", $regionHTML, $htmlDocument, array( - 'mode' => $mode, + $htmlDocument = $this->update("#$actionTarget", $regionHTML, $htmlDocument, array( + 'action' => $action, 'mergeAttr' => $mergeAttr, )); @@ -1039,87 +1217,6 @@ class WireMarkupRegions extends Wire { return $numUpdates; } - /** - * Determine the and populate 'mode' and 'new' properties for the given region - * - * Modifications are made directly to the given $region. - * - * The 'mode' property can be any of the following values: - * before, after, prepend, append, replace, remove. - * - * The 'new' property will be boolean true if the region is a new element that - * should be added to the document. It will be false if the region is to update - * an existing element in the document. - * - * The 'id' and 'class' attributes of the region may also be modified as well. - * - * @param array $region - * @return string - * - */ - protected function populateRegionDetails(&$region) { - - $modes = array('before', 'after', 'prepend', 'append', 'replace', 'remove'); - $mode = ''; - $isNewElement = false; - $id = isset($region['attrs']['id']) ? $region['attrs']['id'] : ''; - $_id = $id; - $prefix = 'pw-'; - - if(strpos($id, $prefix) === 0) { - // i.e. pw-before-something - foreach($modes as $m) { - if(strpos($id, "$prefix$m-") === 0) { - list($pw, $mode, $id) = explode('-', $id, 3); - if($pw) {} // ignore - break; - } - } - } - - if(!$mode) { - // attempt to get mode from class attribute - $replaceID = ''; - foreach($region['classes'] as $key => $class) { - $replaceID = ''; - if(strpos($class, $prefix) !== 0) continue; - list($pw, $m) = explode('-', $class, 2); - if($pw) {} // ignore - if(strpos($m, '-')) { - // i.e. pw-append-content - $replaceID = $id; - list($m, $id) = explode('-', $m, 2); - $isNewElement = true; - } - if(in_array($m, $modes)) { - $mode = $m; - // remove the class so it doesn't appear in original markup - unset($region['classes'][$key]); - $region['attrs']['class'] = implode(' ', $region['classes']); - break; - } - } - if($replaceID && ($isNewElement || $mode == 'before' || $mode == 'after')) { - $region['attrs']['data-id'] = $replaceID; - } - } - - if(!$mode || !in_array($mode, $modes)) $mode = 'auto'; - - if(!$isNewElement) { - $isNewElement = empty($_id) || $mode == 'before' || $mode == 'after'; - } - - $region['new'] = $isNewElement; - $region['mode'] = $mode; - $region['note'] = "#$id ($mode" . ($isNewElement ? "+new" : "") . ")"; - $region['attrs']['id'] = $id; - - if(count($region['classes'])) $region['note'] .= "." . implode('.', $region['classes']); - - return $mode; - } - /** * Is the given HTML markup likely to have regions? *