<?php
class FSHelper
{
	protected static $deniedOptions = array
		( 'showFromDate'
		, 'showToDate'
		, 'textToken'
		, 'type'
		, 'location'
		);

	public static function getFilesystemElements($path)
	{
		echo '<ul>';
		foreach($GLOBALS['filesystem']->getList($path /*, XMLFS::INCLUDE_INVISIBLES*/) as $file)
		{
			$conformpath = preg_replace('/\/$/', '', $path).'/'.$file->getAttribute('name').'/';
			if($file->getAttribute('redirect'))
				$conformpath = $file->getAttribute('redirect');
			$class = trim(($file->getAttribute('redirect') ? 'redirect ':'').($file->getAttribute('invisible') == '1' ? 'invisible ':''));
			echo '<li>';
			echo '<a href="?file='.$conformpath.'" class="'.$class.'">'
			.(isset($_GET['file']) && $_GET['file'] == $conformpath ? '<strong>' : '')
			.$file->getAttribute('name').($file->getAttribute('redirect') ? ' (redirect to: "'.$file->getAttribute('redirect').'")':'')
			.(isset($_GET['file']) && $_GET['file'] == $conformpath ? '</strong>' : '')
			.'</a>'
			.'<a href="?deletefile='.$conformpath.'" class="deletefile" title="Delete file">x</a>';
			if($GLOBALS['filesystem']->hasChildren($path.$file->getAttribute('name')/*, XMLFS::INCLUDE_INVISIBLES*/))
				self::getFilesystemElements($path.$file->getAttribute('name').'/');
			echo '</li>';
		}
		echo '</ul>'.PHP_EOL;
	}

	public static function createControl(WritableXMLFSControl $control)
	{
		?>
			<ul class="controls">
				<li>
					<div class="boxed control<?php echo ($control->getName() === '#text' ? ' continuous' : '');?>" xpath="<?php echo $control->createXpath() ?>" name="<?php echo $control->getName();?>" file="<?php echo (isset($_POST['file']) ? $_POST['file'] : $_GET['file']) ?>">
						<?php
							if(count($control->availableSubControls()) > 0)
							{
								?>
								<div class="addControl">
									<span>
										new:
										<select name="addControl">
											<option selected="selected" value="">- select -</option>
											<?php
												foreach($control->availableSubControls() as $subControl)
												{
													?>
													<option value="<?php echo $subControl ?>"><?php echo $subControl ?></option>
													<?php
												}
											?>
										</select>
										<span class="method"><span class="boxed" name="before" title="insert new element before current">before</span><span class="boxed" selected="selected" name="append" title="insert new element inside current">inside</span><span class="boxed" name="after" title="insert new element after current">after</span></span>
									</span>
									<!---->
								</div>
								<?php
							}
								echo '<strong class="title">';
								if($control->getName() != '#text')
									echo $control->getName();
								echo '&nbsp;';
								if($control->canDelete())
									echo '<a href="#" class="boxed delete" title="Delete this control">&minus;</a>';
								echo '</strong>';
								if($control->getName() === '#text')
								{
									?><table><tr><td class="boxed option continuous"><span><input type="text" name="continuoustext" placeholder="continuous text..." value="<?php echo $control->getNode()->nodeValue ?>"/></span></td>
											<td></td>
											<td></td>
											<td></td>
										</tr>
									</table>
									<?php
								}
								elseif(count(array_diff($control->getOptions(), self::$deniedOptions)) > 0)
								{
									echo '<table>';
									$i = 0;
									foreach($control->getOptions() as $optionName)
										if(!in_array($optionName, self::$deniedOptions))
										{
											$defaultOption = $control->getDefaultOption($optionName);
											$placeholder = $defaultOption ? 'default: '.$defaultOption : '';
											echo ($i % 4 == 0 ? '<tr>' : '');
											?>
											<td class="boxed option" title="<?php echo $optionName?>">
												<span class="description"><?php echo $optionName?></span>
												<span class="value"><input type="text" name="<?php echo $optionName?>" placeholder="<?php echo $placeholder?>" value="<?php echo ($control->getOption($optionName) != $control->getDefaultOption($optionName) ? $control->getOption($optionName) : '')?>"/></span>
											</td>
											<?php
											echo (++$i % 4 == 0 ? '</tr>'.PHP_EOL : '');
										}
									for($i; ($i % 4) != 0; $i++)
									{
										echo '<td> </td>';
										if((($i + 1) % 4) == 0)
											echo '</tr>'.PHP_EOL;
									}
									echo '</table>';
								}
							?>
						</table>
					</div>
					<?php
						foreach($control->subControls() as $subControl)
							self::createControl($subControl);
					?>
				</li>
			</ul>
		<?php
	}
}