pics/templates/PhotosIndex.php

<?php
/*****************************************************************************
 * PhotosIndex.php
 * Contains the project index template.
 *
 * Kabuki CMS (C) 2013-2015, Aaron van Geffen
 *****************************************************************************/

class PhotosIndex extends Template
{
	protected $mosaic;
	protected $show_edit_buttons;
	protected $show_headers;
	protected $show_labels;
	protected $previous_header = '';

	protected $edit_menu_items = [];
	protected $photo_url_suffix;

	const PANORAMA_WIDTH = 1256;
	const PANORAMA_HEIGHT = null;

	const PORTRAIT_WIDTH = 387;
	const PORTRAIT_HEIGHT = 628;

	const LANDSCAPE_WIDTH = 822;
	const LANDSCAPE_HEIGHT = 628;

	const DUO_WIDTH = 604;
	const DUO_HEIGHT = 403;

	const SINGLE_WIDTH = 618;
	const SINGLE_HEIGHT = 412;

	const TILE_WIDTH = 387;
	const TILE_HEIGHT = 290;

	public function __construct(PhotoMosaic $mosaic, $show_edit_buttons = false, $show_labels = false, $show_headers = true)
	{
		$this->mosaic = $mosaic;
		$this->show_edit_buttons = $show_edit_buttons;
		$this->show_headers = $show_headers;
		$this->show_labels = $show_labels;
	}

	public function html_main()
	{
		echo '
			<div class="container photo-index">';

		$i = 0;
		while ($row = $this->mosaic->getRow())
		{
			[$photos, $what] = $row;
			$this->header($photos);
			$this->$what($photos, ($i++) % 2);
		}

		echo '
			</div>
			<script type="text/javascript" src="', BASEURL, '/js/albumnav.js"></script>';
	}

	protected function header($photos)
	{
		if (!$this->show_headers)
			return;

		$date = $photos[0]->getDateCaptured();
		if (!$date)
			return;

		$header = $date->format('F Y');
		if ($header === $this->previous_header)
			return;

		$name = str_replace(' ', '', strtolower($header));
		echo '
				<h4 class="tiled-header" id="', $name, '">
					<a href="#', $name, '">', $header, '</a>
				</h4>';

		$this->previous_header = $header;
	}

	protected function editMenu(Image $image)
	{
		if (empty($this->edit_menu_items))
			return;

		echo '
				<div class="edit dropdown">
					<button class="btn btn-primary btn-sm dropdown-toggle" type="button" data-bs-toggle="dropdown" aria-expanded="false">
					</button>
					<ul class="dropdown-menu">';

		foreach ($this->edit_menu_items as $item)
		{
			echo '
						<li><a class="dropdown-item" href="', $item['uri']($image), '"',
							isset($item['onclick']) ? ' onclick="' . $item['onclick'] . '"' : '',
							'>', $item['label'], '</a></li>';
		}

		echo '
					</ul>
				</div>';
	}

	protected function photo(Image $image, $className, $width, $height, $crop = true, $fit = true)
	{
		// Prefer thumbnail aspect ratio if available, otherwise use image aspect ratio.
		$aspectRatio = isset($width, $height) ? $width / $height : $image->ratio();

		echo '
				<div class="polaroid ', $className, '" style="aspect-ratio: ', $aspectRatio, '">';

		if ($this->show_edit_buttons && $image->canBeEditedBy(Registry::get('user')))
			$this->editMenu($image);

		echo '
					<a href="', $image->getPageUrl(), $this->photo_url_suffix, '#photo_frame">';


		foreach (['normal-photo', 'blur-photo'] as $className)
		{
			echo '
						<img src="', $image->getThumbnailUrl($width, $height, $crop, $fit), '"';

			// Can we offer double-density thumbs?
			if ($image->width() >= $width * 2 && $image->height() >= $height * 2)
				echo ' srcset="', $image->getThumbnailUrl($width * 2, $height * 2, $crop, $fit), ' 2x"';
			else
				echo ' srcset="', $image->getThumbnailUrl($image->width(), $image->height(), true), ' 2x"';

			echo ' alt="" title="', $image->getTitle(), '" class="', $className, '" style="aspect-ratio: ', $aspectRatio, '">';
		}

		if ($this->show_labels)
			echo '
						<h4>', $image->getTitle(), '</h4>';

		echo '

					</a>
				</div>';
	}

	protected function panorama(array $photos, $altLayout)
	{
		foreach ($photos as $image)
		{
			echo '
				<div class="row mb-5 tile-panorama">
					<div class="col">';

			$this->photo($image, 'panorama', static::PANORAMA_WIDTH, static::PANORAMA_HEIGHT, false, false);

			echo '
					</div>
				</div>';
		}
	}

	protected function sixLandscapes(array $photos, $altLayout)
	{
		$chunks = array_chunk($photos, 3);
		$this->sideLandscape($chunks[0], $altLayout);
		$this->threeLandscapes($chunks[1], $altLayout);
	}

	protected function sidePortrait(array $photos, $altLayout)
	{
		$image = array_shift($photos);

		echo '
				<div class="row g-5 mb-5 tile-feat-portrait',
					$altLayout ? ' flex-row-reverse' : '', '">
					<div class="col-md-4">';

		$this->photo($image, 'portrait', static::PORTRAIT_WIDTH, static::PORTRAIT_HEIGHT, 'centre');

		echo '
					</div>
					<div class="col-md-8">
						<div class="row g-5">';

		foreach ($photos as $image)
		{
			echo '
							<div class="col-md-6">';

			$this->photo($image, 'landscape', static::TILE_WIDTH, static::TILE_HEIGHT, 'top');

			echo '
							</div>';
		}

		echo '
						</div>
					</div>
				</div>';
	}

	protected function sideLandscape(array $photos, $altLayout)
	{
		$image = array_shift($photos);

		echo '
				<div class="row g-5 mb-5 tile-feat-landscape',
					$altLayout ? ' flex-row-reverse' : '', '">
					<div class="col-md-8">';

		$this->photo($image, 'landscape', static::LANDSCAPE_WIDTH, static::LANDSCAPE_HEIGHT, 'top');

		echo '
					</div>
					<div class="col-md-4">
						<div class="row g-5">';

		foreach ($photos as $image)
		{
			echo '
							<div>';

			$this->photo($image, 'landscape', static::TILE_WIDTH, static::TILE_HEIGHT, 'top');

			echo '
							</div>';
		}

		echo '
						</div>
					</div>
				</div>';
	}

	protected function threeLandscapes(array $photos, $altLayout)
	{
		echo '
				<div class="row g-5 mb-5 tile-row-landscapes">';

		foreach ($photos as $image)
		{
			echo '
					<div class="col-md-4">';

			$this->photo($image, 'landscape', static::TILE_WIDTH, static::TILE_HEIGHT, true);

			echo '
					</div>';
		}

		echo '
				</div>';
	}

	protected function threePortraits(array $photos, $altLayout)
	{
		echo '
				<div class="row g-5 mb-5 tile-row-portraits">';

		foreach ($photos as $image)
		{
			echo '
					<div class="col-md-4">';

			$this->photo($image, 'portrait', static::PORTRAIT_WIDTH, static::PORTRAIT_HEIGHT, true);

			echo '
					</div>';
		}

		echo '
				</div>';
	}

	protected function dualLandscapes(array $photos, $altLayout)
	{
		echo '
				<div class="row g-5 mb-5 tile-duo">';

		foreach ($photos as $image)
		{
			echo '
					<div class="col-md-6">';

			$this->photo($image, 'duo', static::DUO_WIDTH, static::DUO_HEIGHT, true);

			echo '
					</div>';
		}

		echo '
				</div>';
	}

	protected function dualMixed(array $photos, $altLayout)
	{
		echo '
				<div class="row g-5 mb-5 tile-feat-landscape',
					$altLayout ? ' flex-row-reverse' : '', '">
					<div class="col-md-8">';

		$image = array_shift($photos);
		$this->photo($image, 'landscape', static::LANDSCAPE_WIDTH, static::LANDSCAPE_HEIGHT, 'top');

		echo '
					</div>
					<div class="col-md-4">';

		$image = array_shift($photos);
		$this->photo($image, 'portrait', static::PORTRAIT_WIDTH, static::PORTRAIT_HEIGHT, true);

		echo '
						</div>
					</div>
				</div>';
	}

	protected function dualPortraits(array $photos, $altLayout)
	{
		// Recycle the row layout so portraits don't appear too large
		$this->threePortraits($photos, $altLayout);
	}

	protected function singleLandscape(array $photos, $altLayout)
	{
		echo '
				<div class="row g-5 mb-5 tile-single">
					<div class="col-md-6">';

		$image = array_shift($photos);
		$this->photo($image, 'single', static::SINGLE_WIDTH, static::SINGLE_HEIGHT, 'top');

		echo '
					</div>
				</div>';
	}

	protected function singlePortrait(array $photos, $altLayout)
	{
		// Recycle the row layout so portraits don't appear too large
		$this->threePortraits($photos, $altLayout);
	}

	public function setEditMenuItems(array $items)
	{
		$this->edit_menu_items = $items;
	}

	public function setUrlSuffix($suffix)
	{
		$this->photo_url_suffix = $suffix;
	}
}