Adding edittable version 2023-01-14 (66785d9).
Signed-off-by: Daniel Baumann <daniel@debian.org>
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262
plugins/55/edittable/action/editor.php
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plugins/55/edittable/action/editor.php
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<?php
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/**
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* Table editor
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*
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* @author Adrian Lang <lang@cosmocode.de>
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* @author Andreas Gohr <gohr@cosmocode.de>
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*/
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use dokuwiki\Form\Form;
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use dokuwiki\Utf8;
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/**
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* handles all the editor related things
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*
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* like displaying the editor and adding custom edit buttons
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*/
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class action_plugin_edittable_editor extends DokuWiki_Action_Plugin
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{
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/**
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* Register its handlers with the DokuWiki's event controller
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*/
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public function register(Doku_Event_Handler $controller)
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{
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// register custom edit buttons
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$controller->register_hook('HTML_SECEDIT_BUTTON', 'BEFORE', $this, 'secedit_button');
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// register our editor
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$controller->register_hook('EDIT_FORM_ADDTEXTAREA', 'BEFORE', $this, 'editform');
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$controller->register_hook('HTML_EDIT_FORMSELECTION', 'BEFORE', $this, 'editform');
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// register preprocessing for accepting editor data
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// $controller->register_hook('ACTION_ACT_PREPROCESS', 'BEFORE', $this, 'handle_table_post');
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$controller->register_hook('PLUGIN_EDITTABLE_PREPROCESS_EDITOR', 'BEFORE', $this, 'handle_table_post');
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}
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/**
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* Add a custom edit button under each table
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*
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* The target 'table' is provided by DokuWiki's XHTML core renderer in the table_close() method
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*
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* @param Doku_Event $event
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*/
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public function secedit_button(Doku_Event $event)
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{
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if ($event->data['target'] !== 'table') return;
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$event->data['name'] = $this->getLang('secedit_name');
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}
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/**
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* Creates the actual Table Editor form
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*
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* @param Doku_Event $event
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*/
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public function editform(Doku_Event $event)
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{
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global $TEXT;
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global $RANGE;
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global $INPUT;
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if ($event->data['target'] !== 'table') return;
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if (!$RANGE){
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// section editing failed, use default editor instead
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$event->data['target'] = 'section';
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return;
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}
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$event->stopPropagation();
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$event->preventDefault();
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/** @var renderer_plugin_edittable_json $Renderer our own renderer to convert table to array */
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$Renderer = plugin_load('renderer', 'edittable_json', true);
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$instructions = p_get_instructions($TEXT);
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// Loop through the instructions
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foreach ($instructions as $instruction) {
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// Execute the callback against the Renderer
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call_user_func_array(array(&$Renderer, $instruction[0]), $instruction[1]);
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}
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// output data and editor field
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/** @var Doku_Form $form */
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$form =& $event->data['form'];
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if (is_a($form, Form::class)) { // $event->name is EDIT_FORM_ADDTEXTAREA
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// data for handsontable
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$form->setHiddenField('edittable_data', $Renderer->getDataJSON());
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$form->setHiddenField('edittable_meta', $Renderer->getMetaJSON());
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$form->addHTML('<div id="edittable__editor"></div>');
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// set data from action asigned to "New Table" button in the toolbar
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foreach ($INPUT->post->arr('edittable__new', []) as $k => $v) {
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$form->setHiddenField("edittable__new[$k]", $v);
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}
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// set target and range to keep track during previews
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$form->setHiddenField('target', 'table');
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$form->setHiddenField('range', $RANGE);
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} else { // $event->name is HTML_EDIT_FORMSELECTION
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// data for handsontable
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$form->addHidden('edittable_data', $Renderer->getDataJSON());
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$form->addHidden('edittable_meta', $Renderer->getMetaJSON());
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$form->addElement('<div id="edittable__editor"></div>');
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// set data from action asigned to "New Table" button in the toolbar
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foreach ($INPUT->post->arr('edittable__new', []) as $k => $v) {
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$form->addHidden("edittable__new[$k]", $v);
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}
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// set target and range to keep track during previews
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$form->addHidden('target', 'table');
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$form->addHidden('range', $RANGE);
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}
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}
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/**
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* Handles a POST from the table editor
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*
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* This function preprocesses a POST from the table editor and converts it to plain DokuWiki markup
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*
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* @author Andreas Gohr <gohr@cosmocode,de>
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*/
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public function handle_table_post(Doku_Event $event)
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{
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global $TEXT;
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global $INPUT;
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if (!$INPUT->post->has('edittable_data')) return;
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$data = json_decode($INPUT->post->str('edittable_data'), true);
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$meta = json_decode($INPUT->post->str('edittable_meta'), true);
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$TEXT = $this->build_table($data, $meta);
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}
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/**
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* Create a DokuWiki table
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*
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* converts the table array to plain wiki markup text. pads the table so the markup is easy to read
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*
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* @param array $data table content for each cell
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* @param array $meta meta data for each cell
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* @return string
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*/
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public function build_table($data, $meta)
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{
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$table = '';
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$rows = count($data);
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$cols = $rows ? count($data[0]) : 0;
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$colmax = $cols ? array_fill(0, $cols, 0) : array();
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// find maximum column widths
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for ($row = 0; $row < $rows; $row++) {
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for ($col = 0; $col < $cols; $col++) {
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$len = $this->strWidth($data[$row][$col]);
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// alignment adds padding
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if (isset($meta[$row][$col]['align']) && $meta[$row][$col]['align'] == 'center') {
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$len += 4;
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} else {
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$len += 3;
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}
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// remember lenght
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$meta[$row][$col]['length'] = $len;
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if ($len > $colmax[$col]) $colmax[$col] = $len;
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}
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}
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$last = '|'; // used to close the last cell
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for ($row = 0; $row < $rows; $row++) {
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for ($col = 0; $col < $cols; $col++) {
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// minimum padding according to alignment
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if (isset($meta[$row][$col]['align']) && $meta[$row][$col]['align'] == 'center') {
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$lpad = 2;
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$rpad = 2;
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} elseif (isset($meta[$row][$col]['align']) && $meta[$row][$col]['align'] == 'right') {
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$lpad = 2;
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$rpad = 1;
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} else {
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$lpad = 1;
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$rpad = 2;
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}
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// target width of this column
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$target = $colmax[$col];
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// colspanned columns span all the cells
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for ($i = 1; $i < $meta[$row][$col]['colspan']; $i++) {
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$target += $colmax[$col + $i];
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}
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// copy colspans to rowspans below if any
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if ($meta[$row][$col]['colspan'] > 1) {
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for ($i = 1; $i < $meta[$row][$col]['rowspan']; $i++) {
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$meta[$row + $i][$col]['colspan'] = $meta[$row][$col]['colspan'];
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}
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}
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// how much padding needs to be added?
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$length = $meta[$row][$col]['length'];
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$addpad = $target - $length;
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// decide which side needs padding
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if (isset($meta[$row][$col]['align']) && $meta[$row][$col]['align'] == 'right') {
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$lpad += $addpad;
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} else {
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$rpad += $addpad;
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}
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// add the padding
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$cdata = $data[$row][$col];
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if (!(isset($meta[$row][$col]['hide']) && $meta[$row][$col]['hide']) || $cdata) {
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$cdata = str_pad('', $lpad).$cdata.str_pad('', $rpad);
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}
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// finally add the cell
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$last = (isset($meta[$row][$col]['tag']) && $meta[$row][$col]['tag'] == 'th') ? '^' : '|';
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$table .= $last;
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$table .= $cdata;
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}
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// close the row
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$table .= "$last\n";
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}
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$table = rtrim($table, "\n");
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return $table;
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}
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/**
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* Return width of string
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*
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* @param string $str
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* @return int
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*/
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public function strWidth($str)
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{
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static $callable;
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if (isset($callable)) {
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return $callable($str);
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} else {
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if (UTF8_MBSTRING) {
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// count fullwidth characters as 2, halfwidth characters as 1
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$callable = 'mb_strwidth';
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} elseif (method_exists(Utf8\PhpString::class, 'strlen')) {
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// count any characters as 1
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$callable = [Utf8\PhpString::class, 'strlen'];
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} else {
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// fallback deprecated utf8_strlen since 2019-06-09
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$callable = 'utf8_strlen';
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}
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return $this->strWidth($str);
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}
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}
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}
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