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<?php
/**
* This file is part of PHPWord - A pure PHP library for reading and writing
* word processing documents.
*
* PHPWord is free software distributed under the terms of the GNU Lesser
* General Public License version 3 as published by the Free Software Foundation.
*
* For the full copyright and license information, please read the LICENSE
* file that was distributed with this source code. For the full list of
* contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
*
* @see https://github.com/PHPOffice/PHPWord
* @copyright 2010-2018 PHPWord contributors
* @license http://www.gnu.org/licenses/lgpl.txt LGPL version 3
*/
namespace PhpOffice\PhpWord\Element;
/**
* Container abstract class
*
* @method Text addText(string $text, mixed $fStyle = null, mixed $pStyle = null)
* @method TextRun addTextRun(mixed $pStyle = null)
* @method Bookmark addBookmark(string $name)
* @method Link addLink(string $target, string $text = null, mixed $fStyle = null, mixed $pStyle = null, boolean $internal = false)
* @method PreserveText addPreserveText(string $text, mixed $fStyle = null, mixed $pStyle = null)
* @method void addTextBreak(int $count = 1, mixed $fStyle = null, mixed $pStyle = null)
* @method ListItem addListItem(string $txt, int $depth = 0, mixed $font = null, mixed $list = null, mixed $para = null)
* @method ListItemRun addListItemRun(int $depth = 0, mixed $listStyle = null, mixed $pStyle = null)
* @method Footnote addFootnote(mixed $pStyle = null)
* @method Endnote addEndnote(mixed $pStyle = null)
* @method CheckBox addCheckBox(string $name, $text, mixed $fStyle = null, mixed $pStyle = null)
* @method Title addTitle(mixed $text, int $depth = 1)
* @method TOC addTOC(mixed $fontStyle = null, mixed $tocStyle = null, int $minDepth = 1, int $maxDepth = 9)
* @method PageBreak addPageBreak()
* @method Table addTable(mixed $style = null)
* @method Image addImage(string $source, mixed $style = null, bool $isWatermark = false, $name = null)
* @method OLEObject addOLEObject(string $source, mixed $style = null)
* @method TextBox addTextBox(mixed $style = null)
* @method Field addField(string $type = null, array $properties = array(), array $options = array(), mixed $text = null)
* @method Line addLine(mixed $lineStyle = null)
* @method Shape addShape(string $type, mixed $style = null)
* @method Chart addChart(string $type, array $categories, array $values, array $style = null, $seriesName = null)
* @method FormField addFormField(string $type, mixed $fStyle = null, mixed $pStyle = null)
* @method SDT addSDT(string $type)
*
* @method \PhpOffice\PhpWord\Element\OLEObject addObject(string $source, mixed $style = null) deprecated, use addOLEObject instead
*
* @since 0.10.0
*/
abstract class AbstractContainer extends AbstractElement
{
/**
* Elements collection
*
* @var \PhpOffice\PhpWord\Element\AbstractElement[]
*/
protected $elements = array();
/**
* Container type Section|Header|Footer|Footnote|Endnote|Cell|TextRun|TextBox|ListItemRun|TrackChange
*
* @var string
*/
protected $container;
/**
* Magic method to catch all 'addElement' variation
*
* This removes addText, addTextRun, etc. When adding new element, we have to
* add the model in the class docblock with `@method`.
*
* Warning: This makes capitalization matters, e.g. addCheckbox or addcheckbox won't work.
*
* @param mixed $function
* @param mixed $args
* @return \PhpOffice\PhpWord\Element\AbstractElement
*/
public function __call($function, $args)
{
$elements = array(
'Text', 'TextRun', 'Bookmark', 'Link', 'PreserveText', 'TextBreak',
'ListItem', 'ListItemRun', 'Table', 'Image', 'Object', 'OLEObject',
'Footnote', 'Endnote', 'CheckBox', 'TextBox', 'Field',
'Line', 'Shape', 'Title', 'TOC', 'PageBreak',
'Chart', 'FormField', 'SDT', 'Comment',
);
$functions = array();
foreach ($elements as $element) {
$functions['add' . strtolower($element)] = $element == 'Object' ? 'OLEObject' : $element;
}
// Run valid `add` command
$function = strtolower($function);
if (isset($functions[$function])) {
$element = $functions[$function];
// Special case for TextBreak
// @todo Remove the `$count` parameter in 1.0.0 to make this element similiar to other elements?
if ($element == 'TextBreak') {
list($count, $fontStyle, $paragraphStyle) = array_pad($args, 3, null);
if ($count === null) {
$count = 1;
}
for ($i = 1; $i <= $count; $i++) {
$this->addElement($element, $fontStyle, $paragraphStyle);
}
} else {
// All other elements
array_unshift($args, $element); // Prepend element name to the beginning of args array
return call_user_func_array(array($this, 'addElement'), $args);
}
}
return null;
}
/**
* Add element
*
* Each element has different number of parameters passed
*
* @param string $elementName
* @return \PhpOffice\PhpWord\Element\AbstractElement
*/
protected function addElement($elementName)
{
$elementClass = __NAMESPACE__ . '\\' . $elementName;
$this->checkValidity($elementName);
// Get arguments
$args = func_get_args();
$withoutP = in_array($this->container, array('TextRun', 'Footnote', 'Endnote', 'ListItemRun', 'Field'));
if ($withoutP && ($elementName == 'Text' || $elementName == 'PreserveText')) {
$args[3] = null; // Remove paragraph style for texts in textrun
}
// Create element using reflection
$reflection = new \ReflectionClass($elementClass);
$elementArgs = $args;
array_shift($elementArgs); // Shift the $elementName off the beginning of array
/** @var \PhpOffice\PhpWord\Element\AbstractElement $element Type hint */
$element = $reflection->newInstanceArgs($elementArgs);
// Set parent container
$element->setParentContainer($this);
$element->setElementIndex($this->countElements() + 1);
$element->setElementId();
$this->elements[] = $element;
return $element;
}
/**
* Get all elements
*
* @return \PhpOffice\PhpWord\Element\AbstractElement[]
*/
public function getElements()
{
return $this->elements;
}
/**
* Returns the element at the requested position
*
* @param int $index
* @return \PhpOffice\PhpWord\Element\AbstractElement|null
*/
public function getElement($index)
{
if (array_key_exists($index, $this->elements)) {
return $this->elements[$index];
}
return null;
}
/**
* Removes the element at requested index
*
* @param int|\PhpOffice\PhpWord\Element\AbstractElement $toRemove
*/
public function removeElement($toRemove)
{
if (is_int($toRemove) && array_key_exists($toRemove, $this->elements)) {
unset($this->elements[$toRemove]);
} elseif ($toRemove instanceof \PhpOffice\PhpWord\Element\AbstractElement) {
foreach ($this->elements as $key => $element) {
if ($element->getElementId() === $toRemove->getElementId()) {
unset($this->elements[$key]);
return;
}
}
}
}
/**
* Count elements
*
* @return int
*/
public function countElements()
{
return count($this->elements);
}
/**
* Check if a method is allowed for the current container
*
* @param string $method
*
* @throws \BadMethodCallException
* @return bool
*/
private function checkValidity($method)
{
$generalContainers = array(
'Section', 'Header', 'Footer', 'Footnote', 'Endnote', 'Cell', 'TextRun', 'TextBox', 'ListItemRun', 'TrackChange',
);
$validContainers = array(
'Text' => $generalContainers,
'Bookmark' => $generalContainers,
'Link' => $generalContainers,
'TextBreak' => $generalContainers,
'Image' => $generalContainers,
'OLEObject' => $generalContainers,
'Field' => $generalContainers,
'Line' => $generalContainers,
'Shape' => $generalContainers,
'FormField' => $generalContainers,
'SDT' => $generalContainers,
'TrackChange' => $generalContainers,
'TextRun' => array('Section', 'Header', 'Footer', 'Cell', 'TextBox', 'TrackChange', 'ListItemRun'),
'ListItem' => array('Section', 'Header', 'Footer', 'Cell', 'TextBox'),
'ListItemRun' => array('Section', 'Header', 'Footer', 'Cell', 'TextBox'),
'Table' => array('Section', 'Header', 'Footer', 'Cell', 'TextBox'),
'CheckBox' => array('Section', 'Header', 'Footer', 'Cell', 'TextRun'),
'TextBox' => array('Section', 'Header', 'Footer', 'Cell'),
'Footnote' => array('Section', 'TextRun', 'Cell', 'ListItemRun'),
'Endnote' => array('Section', 'TextRun', 'Cell'),
'PreserveText' => array('Section', 'Header', 'Footer', 'Cell'),
'Title' => array('Section', 'Cell'),
'TOC' => array('Section'),
'PageBreak' => array('Section'),
'Chart' => array('Section', 'Cell'),
);
// Special condition, e.g. preservetext can only exists in cell when
// the cell is located in header or footer
$validSubcontainers = array(
'PreserveText' => array(array('Cell'), array('Header', 'Footer', 'Section')),
'Footnote' => array(array('Cell', 'TextRun'), array('Section')),
'Endnote' => array(array('Cell', 'TextRun'), array('Section')),
);
// Check if a method is valid for current container
if (isset($validContainers[$method])) {
if (!in_array($this->container, $validContainers[$method])) {
throw new \BadMethodCallException("Cannot add {$method} in {$this->container}.");
}
}
// Check if a method is valid for current container, located in other container
if (isset($validSubcontainers[$method])) {
$rules = $validSubcontainers[$method];
$containers = $rules[0];
$allowedDocParts = $rules[1];
foreach ($containers as $container) {
if ($this->container == $container && !in_array($this->getDocPart(), $allowedDocParts)) {
throw new \BadMethodCallException("Cannot add {$method} in {$this->container}.");
}
}
}
return true;
}
/**
* Create textrun element
*
* @deprecated 0.10.0
*
* @param mixed $paragraphStyle
*
* @return \PhpOffice\PhpWord\Element\TextRun
*
* @codeCoverageIgnore
*/
public function createTextRun($paragraphStyle = null)
{
return $this->addTextRun($paragraphStyle);
}
/**
* Create footnote element
*
* @deprecated 0.10.0
*
* @param mixed $paragraphStyle
*
* @return \PhpOffice\PhpWord\Element\Footnote
*
* @codeCoverageIgnore
*/
public function createFootnote($paragraphStyle = null)
{
return $this->addFootnote($paragraphStyle);
}
}