WordPressを読む　98-2 /blog/wp-includes/default-widgets.php 2

2014/12/04

/blog/wp-includes/default-widgets.php 2

/**
 * Calendar widget class
 *
 * @since 2.8.0
 */
class WP_Widget_Calendar extends WP_Widget {

	public function __construct() {
		$widget_ops = array('classname' => 'widget_calendar', 'description' => __( 'A calendar of your site&#8217;s Posts.') );
		parent::__construct('calendar', __('Calendar'), $widget_ops);
	}

	public function widget( $args, $instance ) {

		/** This filter is documented in wp-includes/default-widgets.php */
		$title = apply_filters( 'widget_title', empty( $instance['title'] ) ? '' : $instance['title'], $instance, $this->id_base );

		echo $args['before_widget'];
		if ( $title ) {
			echo $args['before_title'] . $title . $args['after_title'];
		}
		echo '<div id="calendar_wrap">';
		get_calendar();
		echo '</div>';
		echo $args['after_widget'];
	}

	public function update( $new_instance, $old_instance ) {
		$instance = $old_instance;
		$instance['title'] = strip_tags($new_instance['title']);

		return $instance;
	}

	public function form( $instance ) {
		$instance = wp_parse_args( (array) $instance, array( 'title' => '' ) );
		$title = strip_tags($instance['title']);
?>
		<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?></label>
		<input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr($title); ?>" /></p>
<?php
	}
}

/**
 * Text widget class
 *
 * @since 2.8.0
 */
class WP_Widget_Text extends WP_Widget {

	public function __construct() {
		$widget_ops = array('classname' => 'widget_text', 'description' => __('Arbitrary text or HTML.'));
		$control_ops = array('width' => 400, 'height' => 350);
		parent::__construct('text', __('Text'), $widget_ops, $control_ops);
	}

	public function widget( $args, $instance ) {

		/** This filter is documented in wp-includes/default-widgets.php */
		$title = apply_filters( 'widget_title', empty( $instance['title'] ) ? '' : $instance['title'], $instance, $this->id_base );

		/**
		 * Filter the content of the Text widget.
		 *
		 * @since 2.3.0
		 *
		 * @param string    $widget_text The widget content.
		 * @param WP_Widget $instance    WP_Widget instance.
		 */
		$text = apply_filters( 'widget_text', empty( $instance['text'] ) ? '' : $instance['text'], $instance );
		echo $args['before_widget'];
		if ( ! empty( $title ) ) {
			echo $args['before_title'] . $title . $args['after_title'];
		} ?>
			<div class="textwidget"><?php echo !empty( $instance['filter'] ) ? wpautop( $text ) : $text; ?></div>
		<?php
		echo $args['after_widget'];
	}

	public function update( $new_instance, $old_instance ) {
		$instance = $old_instance;
		$instance['title'] = strip_tags($new_instance['title']);
		if ( current_user_can('unfiltered_html') )
			$instance['text'] =  $new_instance['text'];
		else
			$instance['text'] = stripslashes( wp_filter_post_kses( addslashes($new_instance['text']) ) ); // wp_filter_post_kses() expects slashed
		$instance['filter'] = isset($new_instance['filter']);
		return $instance;
	}

	public function form( $instance ) {
		$instance = wp_parse_args( (array) $instance, array( 'title' => '', 'text' => '' ) );
		$title = strip_tags($instance['title']);
		$text = esc_textarea($instance['text']);
?>
		<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?></label>
		<input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr($title); ?>" /></p>

		<textarea class="widefat" rows="16" cols="20" id="<?php echo $this->get_field_id('text'); ?>" name="<?php echo $this->get_field_name('text'); ?>"><?php echo $text; ?></textarea>

		<p><input id="<?php echo $this->get_field_id('filter'); ?>" name="<?php echo $this->get_field_name('filter'); ?>" type="checkbox" <?php checked(isset($instance['filter']) ? $instance['filter'] : 0); ?> />&nbsp;<label for="<?php echo $this->get_field_id('filter'); ?>"><?php _e('Automatically add paragraphs'); ?></label></p>
<?php
	}
}

/**
 * Categories widget class
 *
 * @since 2.8.0
 */
class WP_Widget_Categories extends WP_Widget {

	public function __construct() {
		$widget_ops = array( 'classname' => 'widget_categories', 'description' => __( "A list or dropdown of categories." ) );
		parent::__construct('categories', __('Categories'), $widget_ops);
	}

	public function widget( $args, $instance ) {

		/** This filter is documented in wp-includes/default-widgets.php */
		$title = apply_filters( 'widget_title', empty( $instance['title'] ) ? __( 'Categories' ) : $instance['title'], $instance, $this->id_base );

		$c = ! empty( $instance['count'] ) ? '1' : '0';
		$h = ! empty( $instance['hierarchical'] ) ? '1' : '0';
		$d = ! empty( $instance['dropdown'] ) ? '1' : '0';

		echo $args['before_widget'];
		if ( $title ) {
			echo $args['before_title'] . $title . $args['after_title'];
		}

		$cat_args = array('orderby' => 'name', 'show_count' => $c, 'hierarchical' => $h);

		if ( $d ) {
			$cat_args['show_option_none'] = __('Select Category');

			/**
			 * Filter the arguments for the Categories widget drop-down.
			 *
			 * @since 2.8.0
			 *
			 * @see wp_dropdown_categories()
			 *
			 * @param array $cat_args An array of Categories widget drop-down arguments.
			 */
			wp_dropdown_categories( apply_filters( 'widget_categories_dropdown_args', $cat_args ) );
?>

<script type='text/javascript'>
/* <![CDATA[ */
	var dropdown = document.getElementById("cat");
	function onCatChange() {
		if ( dropdown.options[dropdown.selectedIndex].value > 0 ) {
			location.href = "<?php echo home_url(); ?>/?cat="+dropdown.options[dropdown.selectedIndex].value;
		}
	}
	dropdown.onchange = onCatChange;
/* ]]> */
</script>

<?php
		} else {
?>
		<ul>
<?php
		$cat_args['title_li'] = '';

		/**
		 * Filter the arguments for the Categories widget.
		 *
		 * @since 2.8.0
		 *
		 * @param array $cat_args An array of Categories widget options.
		 */
		wp_list_categories( apply_filters( 'widget_categories_args', $cat_args ) );
?>
		</ul>
<?php
		}

		echo $args['after_widget'];
	}

	public function update( $new_instance, $old_instance ) {
		$instance = $old_instance;
		$instance['title'] = strip_tags($new_instance['title']);
		$instance['count'] = !empty($new_instance['count']) ? 1 : 0;
		$instance['hierarchical'] = !empty($new_instance['hierarchical']) ? 1 : 0;
		$instance['dropdown'] = !empty($new_instance['dropdown']) ? 1 : 0;

		return $instance;
	}

	public function form( $instance ) {
		//Defaults
		$instance = wp_parse_args( (array) $instance, array( 'title' => '') );
		$title = esc_attr( $instance['title'] );
		$count = isset($instance['count']) ? (bool) $instance['count'] :false;
		$hierarchical = isset( $instance['hierarchical'] ) ? (bool) $instance['hierarchical'] : false;
		$dropdown = isset( $instance['dropdown'] ) ? (bool) $instance['dropdown'] : false;
?>
		<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e( 'Title:' ); ?></label>
		<input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo $title; ?>" /></p>

		<p><input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id('dropdown'); ?>" name="<?php echo $this->get_field_name('dropdown'); ?>"<?php checked( $dropdown ); ?> />
		<label for="<?php echo $this->get_field_id('dropdown'); ?>"><?php _e( 'Display as dropdown' ); ?></label><br />

		<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id('count'); ?>" name="<?php echo $this->get_field_name('count'); ?>"<?php checked( $count ); ?> />
		<label for="<?php echo $this->get_field_id('count'); ?>"><?php _e( 'Show post counts' ); ?></label><br />

		<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id('hierarchical'); ?>" name="<?php echo $this->get_field_name('hierarchical'); ?>"<?php checked( $hierarchical ); ?> />
		<label for="<?php echo $this->get_field_id('hierarchical'); ?>"><?php _e( 'Show hierarchy' ); ?></label></p>
<?php
	}

}

/**
 * Recent_Posts widget class
 *
 * @since 2.8.0
 */
class WP_Widget_Recent_Posts extends WP_Widget {

	public function __construct() {
		$widget_ops = array('classname' => 'widget_recent_entries', 'description' => __( "Your site&#8217;s most recent Posts.") );
		parent::__construct('recent-posts', __('Recent Posts'), $widget_ops);
		$this->alt_option_name = 'widget_recent_entries';

		add_action( 'save_post', array($this, 'flush_widget_cache') );
		add_action( 'deleted_post', array($this, 'flush_widget_cache') );
		add_action( 'switch_theme', array($this, 'flush_widget_cache') );
	}

	public function widget($args, $instance) {
		$cache = array();
		if ( ! $this->is_preview() ) {
			$cache = wp_cache_get( 'widget_recent_posts', 'widget' );
		}

		if ( ! is_array( $cache ) ) {
			$cache = array();
		}

		if ( ! isset( $args['widget_id'] ) ) {
			$args['widget_id'] = $this->id;
		}

		if ( isset( $cache[ $args['widget_id'] ] ) ) {
			echo $cache[ $args['widget_id'] ];
			return;
		}

		ob_start();

		$title = ( ! empty( $instance['title'] ) ) ? $instance['title'] : __( 'Recent Posts' );

		/** This filter is documented in wp-includes/default-widgets.php */
		$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );

		$number = ( ! empty( $instance['number'] ) ) ? absint( $instance['number'] ) : 5;
		if ( ! $number )
			$number = 5;
		$show_date = isset( $instance['show_date'] ) ? $instance['show_date'] : false;

		/**
		 * Filter the arguments for the Recent Posts widget.
		 *
		 * @since 3.4.0
		 *
		 * @see WP_Query::get_posts()
		 *
		 * @param array $args An array of arguments used to retrieve the recent posts.
		 */
		$r = new WP_Query( apply_filters( 'widget_posts_args', array(
			'posts_per_page'      => $number,
			'no_found_rows'       => true,
			'post_status'         => 'publish',
			'ignore_sticky_posts' => true
		) ) );

		if ($r->have_posts()) :
?>
		<?php echo $args['before_widget']; ?>
		<?php if ( $title ) {
			echo $args['before_title'] . $title . $args['after_title'];
		} ?>
		<ul>
		<?php while ( $r->have_posts() ) : $r->the_post(); ?>
			<li>
				<a href="<?php the_permalink(); ?>"><?php get_the_title() ? the_title() : the_ID(); ?></a>
			<?php if ( $show_date ) : ?>
				<span class="post-date"><?php echo get_the_date(); ?></span>
			<?php endif; ?>
			</li>
		<?php endwhile; ?>
		</ul>
		<?php echo $args['after_widget']; ?>
<?php
		// Reset the global $the_post as this query will have stomped on it
		wp_reset_postdata();

		endif;

		if ( ! $this->is_preview() ) {
			$cache[ $args['widget_id'] ] = ob_get_flush();
			wp_cache_set( 'widget_recent_posts', $cache, 'widget' );
		} else {
			ob_end_flush();
		}
	}

	public function update( $new_instance, $old_instance ) {
		$instance = $old_instance;
		$instance['title'] = strip_tags($new_instance['title']);
		$instance['number'] = (int) $new_instance['number'];
		$instance['show_date'] = isset( $new_instance['show_date'] ) ? (bool) $new_instance['show_date'] : false;
		$this->flush_widget_cache();

		$alloptions = wp_cache_get( 'alloptions', 'options' );
		if ( isset($alloptions['widget_recent_entries']) )
			delete_option('widget_recent_entries');

		return $instance;
	}

	public function flush_widget_cache() {
		wp_cache_delete('widget_recent_posts', 'widget');
	}

	public function form( $instance ) {
		$title     = isset( $instance['title'] ) ? esc_attr( $instance['title'] ) : '';
		$number    = isset( $instance['number'] ) ? absint( $instance['number'] ) : 5;
		$show_date = isset( $instance['show_date'] ) ? (bool) $instance['show_date'] : false;
?>
		<p><label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label>
		<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo $title; ?>" /></p>

		<p><label for="<?php echo $this->get_field_id( 'number' ); ?>"><?php _e( 'Number of posts to show:' ); ?></label>
		<input id="<?php echo $this->get_field_id( 'number' ); ?>" name="<?php echo $this->get_field_name( 'number' ); ?>" type="text" value="<?php echo $number; ?>" size="3" /></p>

		<p><input class="checkbox" type="checkbox" <?php checked( $show_date ); ?> id="<?php echo $this->get_field_id( 'show_date' ); ?>" name="<?php echo $this->get_field_name( 'show_date' ); ?>" />
		<label for="<?php echo $this->get_field_id( 'show_date' ); ?>"><?php _e( 'Display post date?' ); ?></label></p>
<?php
	}
}

/**
 * Recent_Comments widget class
 *
 * @since 2.8.0
 */
class WP_Widget_Recent_Comments extends WP_Widget {

	public function __construct() {
		$widget_ops = array('classname' => 'widget_recent_comments', 'description' => __( 'Your site&#8217;s most recent comments.' ) );
		parent::__construct('recent-comments', __('Recent Comments'), $widget_ops);
		$this->alt_option_name = 'widget_recent_comments';

		if ( is_active_widget(false, false, $this->id_base) )
			add_action( 'wp_head', array($this, 'recent_comments_style') );

		add_action( 'comment_post', array($this, 'flush_widget_cache') );
		add_action( 'edit_comment', array($this, 'flush_widget_cache') );
		add_action( 'transition_comment_status', array($this, 'flush_widget_cache') );
	}

	public function recent_comments_style() {

		/**
		 * Filter the Recent Comments default widget styles.
		 *
		 * @since 3.1.0
		 *
		 * @param bool   $active  Whether the widget is active. Default true.
		 * @param string $id_base The widget ID.
		 */
		if ( ! current_theme_supports( 'widgets' ) // Temp hack #14876
			|| ! apply_filters( 'show_recent_comments_widget_style', true, $this->id_base ) )
			return;
		?>
	<style type="text/css">.recentcomments a{display:inline !important;padding:0 !important;margin:0 !important;}</style>
<?php
	}

	public function flush_widget_cache() {
		wp_cache_delete('widget_recent_comments', 'widget');
	}

	public function widget( $args, $instance ) {
		global $comments, $comment;

		$cache = array();
		if ( ! $this->is_preview() ) {
			$cache = wp_cache_get('widget_recent_comments', 'widget');
		}
		if ( ! is_array( $cache ) ) {
			$cache = array();
		}

		if ( ! isset( $args['widget_id'] ) )
			$args['widget_id'] = $this->id;

		if ( isset( $cache[ $args['widget_id'] ] ) ) {
			echo $cache[ $args['widget_id'] ];
			return;
		}

		$output = '';

		$title = ( ! empty( $instance['title'] ) ) ? $instance['title'] : __( 'Recent Comments' );

		/** This filter is documented in wp-includes/default-widgets.php */
		$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );

		$number = ( ! empty( $instance['number'] ) ) ? absint( $instance['number'] ) : 5;
		if ( ! $number )
			$number = 5;

		/**
		 * Filter the arguments for the Recent Comments widget.
		 *
		 * @since 3.4.0
		 *
		 * @see get_comments()
		 *
		 * @param array $comment_args An array of arguments used to retrieve the recent comments.
		 */
		$comments = get_comments( apply_filters( 'widget_comments_args', array(
			'number'      => $number,
			'status'      => 'approve',
			'post_status' => 'publish'
		) ) );

		$output .= $args['before_widget'];
		if ( $title ) {
			$output .= $args['before_title'] . $title . $args['after_title'];
		}

		$output .= '<ul id="recentcomments">';
		if ( $comments ) {
			// Prime cache for associated posts. (Prime post term cache if we need it for permalinks.)
			$post_ids = array_unique( wp_list_pluck( $comments, 'comment_post_ID' ) );
			_prime_post_caches( $post_ids, strpos( get_option( 'permalink_structure' ), '%category%' ), false );

			foreach ( (array) $comments as $comment) {
				$output .= '<li class="recentcomments">';
				/* translators: comments widget: 1: comment author, 2: post link */
				$output .= sprintf( _x( '%1$s on %2$s', 'widgets' ),
					'<span class="comment-author-link">' . get_comment_author_link() . '</span>',
					'<a href="' . esc_url( get_comment_link( $comment->comment_ID ) ) . '">' . get_the_title( $comment->comment_post_ID ) . '</a>'
				);
				$output .= '</li>';
			}
		}
		$output .= '</ul>';
		$output .= $args['after_widget'];

		echo $output;

		if ( ! $this->is_preview() ) {
			$cache[ $args['widget_id'] ] = $output;
			wp_cache_set( 'widget_recent_comments', $cache, 'widget' );
		}
	}

	public function update( $new_instance, $old_instance ) {
		$instance = $old_instance;
		$instance['title'] = strip_tags($new_instance['title']);
		$instance['number'] = absint( $new_instance['number'] );
		$this->flush_widget_cache();

		$alloptions = wp_cache_get( 'alloptions', 'options' );
		if ( isset($alloptions['widget_recent_comments']) )
			delete_option('widget_recent_comments');

		return $instance;
	}

	public function form( $instance ) {
		$title  = isset( $instance['title'] ) ? esc_attr( $instance['title'] ) : '';
		$number = isset( $instance['number'] ) ? absint( $instance['number'] ) : 5;
?>
		<p><label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label>
		<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo $title; ?>" /></p>

		<p><label for="<?php echo $this->get_field_id( 'number' ); ?>"><?php _e( 'Number of comments to show:' ); ?></label>
		<input id="<?php echo $this->get_field_id( 'number' ); ?>" name="<?php echo $this->get_field_name( 'number' ); ?>" type="text" value="<?php echo $number; ?>" size="3" /></p>
<?php
	}
}

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

272

273

274

275

276

277

278

279

280

281

282

283

284

285

286

287

288

289

290

291

292

293

294

295

296

297

298

299

300

301

302

303

304

305

306

307

308

309

310

311

312

313

314

315

316

317

318

319

320

321

322

323

324

325

326

327

328

329

330

331

332

333

334

335

336

337

338

339

340

341

342

343

344

345

346

347

348

349

350

351

352

353

354

355

356

357

358

359

360

361

362

363

364

365

366

367

368

369

370

371

372

373

374

375

376

377

378

379

380

381

382

383

384

385

386

387

388

389

390

391

392

393

394

395

396

397

398

399

400

401

402

403

404

405

406

407

408

409

410

411

412

413

414

415

416

417

418

419

420

421

422

423

424

425

426

427

428

429

430

431

432

433

434

435

436

437

438

439

440

441

442

443

444

445

446

447

448

449

450

451

452

453

454

455

456

457

458

459

460

461

462

463

464

465

466

467

468

469

470

471

472

473

474

475

476

477

478

479

480

481

482

483

484

485

486

487

488

489

490

491

492

/**

* Calendar widget class

* @since 2.8.0

class WP_Widget_Calendar extends WP_Widget {

public function __construct() {

$widget_ops = array('classname' => 'widget_calendar', 'description' => __( 'A calendar of your site’s Posts.') );

parent::__construct('calendar', __('Calendar'), $widget_ops);

}

public function widget( $args, $instance ) {

/** This filter is documented in wp-includes/default-widgets.php */

$title = apply_filters( 'widget_title', empty( $instance['title'] ) ? '' : $instance['title'], $instance, $this->id_base );

echo $args['before_widget'];

if ( $title ) {

echo $args['before_title'] . $title . $args['after_title'];

}

echo '<div id="calendar_wrap">';

get_calendar();

echo '</div>';

echo $args['after_widget'];

}

public function update( $new_instance, $old_instance ) {

$instance = $old_instance;

$instance['title'] = strip_tags($new_instance['title']);

return $instance;

}

public function form( $instance ) {

$instance = wp_parse_args( (array) $instance, array( 'title' => '' ) );

$title = strip_tags($instance['title']);

<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?></label>

<input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr($title); ?>" /></p>

<?php

}

/**

* Text widget class

* @since 2.8.0

class WP_Widget_Text extends WP_Widget {

public function __construct() {

$widget_ops = array('classname' => 'widget_text', 'description' => __('Arbitrary text or HTML.'));

$control_ops = array('width' => 400, 'height' => 350);

parent::__construct('text', __('Text'), $widget_ops, $control_ops);

}

public function widget( $args, $instance ) {

/** This filter is documented in wp-includes/default-widgets.php */

$title = apply_filters( 'widget_title', empty( $instance['title'] ) ? '' : $instance['title'], $instance, $this->id_base );

/**

* Filter the content of the Text widget.

* @since 2.3.0

* @param string $widget_text The widget content.

* @param WP_Widget $instance WP_Widget instance.

$text = apply_filters( 'widget_text', empty( $instance['text'] ) ? '' : $instance['text'], $instance );

echo $args['before_widget'];

if ( ! empty( $title ) ) {

echo $args['before_title'] . $title . $args['after_title'];

} ?>

<?php

echo $args['after_widget'];

}

public function update( $new_instance, $old_instance ) {

$instance = $old_instance;

$instance['title'] = strip_tags($new_instance['title']);

if ( current_user_can('unfiltered_html') )

$instance['text'] = $new_instance['text'];

else

$instance['text'] = stripslashes( wp_filter_post_kses( addslashes($new_instance['text']) ) ); // wp_filter_post_kses() expects slashed

$instance['filter'] = isset($new_instance['filter']);

return $instance;

}

public function form( $instance ) {

$instance = wp_parse_args( (array) $instance, array( 'title' => '', 'text' => '' ) );

$title = strip_tags($instance['title']);

$text = esc_textarea($instance['text']);

<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?></label>

<input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr($title); ?>" /></p>

<textarea class="widefat" rows="16" cols="20" id="<?php echo $this->get_field_id('text'); ?>" name="<?php echo $this->get_field_name('text'); ?>"><?php echo $text; ?></textarea>

<p><input id="<?php echo $this->get_field_id('filter'); ?>" name="<?php echo $this->get_field_name('filter'); ?>" type="checkbox" <?php checked(isset($instance['filter']) ? $instance['filter'] : 0); ?> /> <label for="<?php echo $this->get_field_id('filter'); ?>"><?php _e('Automatically add paragraphs'); ?></label></p>

<?php

}

/**

* Categories widget class

* @since 2.8.0

class WP_Widget_Categories extends WP_Widget {

public function __construct() {

$widget_ops = array( 'classname' => 'widget_categories', 'description' => __( "A list or dropdown of categories." ) );

parent::__construct('categories', __('Categories'), $widget_ops);

}

public function widget( $args, $instance ) {

/** This filter is documented in wp-includes/default-widgets.php */

$title = apply_filters( 'widget_title', empty( $instance['title'] ) ? __( 'Categories' ) : $instance['title'], $instance, $this->id_base );

$c = ! empty( $instance['count'] ) ? '1' : '0';

$h = ! empty( $instance['hierarchical'] ) ? '1' : '0';

$d = ! empty( $instance['dropdown'] ) ? '1' : '0';

echo $args['before_widget'];

if ( $title ) {

echo $args['before_title'] . $title . $args['after_title'];

}

$cat_args = array('orderby' => 'name', 'show_count' => $c, 'hierarchical' => $h);

if ( $d ) {

$cat_args['show_option_none'] = __('Select Category');

/**

* Filter the arguments for the Categories widget drop-down.

* @since 2.8.0

* @see wp_dropdown_categories()

* @param array $cat_args An array of Categories widget drop-down arguments.

wp_dropdown_categories( apply_filters( 'widget_categories_dropdown_args', $cat_args ) );

/* <![CDATA[ */

var dropdown = document.getElementById("cat");

function onCatChange() {

if ( dropdown.options[dropdown.selectedIndex].value > 0 ) {

location.href = "<?php echo home_url(); ?>/?cat="+dropdown.options[dropdown.selectedIndex].value;

}

dropdown.onchange = onCatChange;

/* ]]> */

</script>

<?php

} else {

<ul>

<?php

$cat_args['title_li'] = '';

/**

* Filter the arguments for the Categories widget.

* @since 2.8.0

* @param array $cat_args An array of Categories widget options.

wp_list_categories( apply_filters( 'widget_categories_args', $cat_args ) );

</ul>

<?php

}

echo $args['after_widget'];

}

public function update( $new_instance, $old_instance ) {

$instance = $old_instance;

$instance['title'] = strip_tags($new_instance['title']);

$instance['count'] = !empty($new_instance['count']) ? 1 : 0;

$instance['hierarchical'] = !empty($new_instance['hierarchical']) ? 1 : 0;

$instance['dropdown'] = !empty($new_instance['dropdown']) ? 1 : 0;

return $instance;

}

public function form( $instance ) {

//Defaults

$instance = wp_parse_args( (array) $instance, array( 'title' => '') );

$title = esc_attr( $instance['title'] );

$count = isset($instance['count']) ? (bool) $instance['count'] :false;

$hierarchical = isset( $instance['hierarchical'] ) ? (bool) $instance['hierarchical'] : false;

$dropdown = isset( $instance['dropdown'] ) ? (bool) $instance['dropdown'] : false;

<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e( 'Title:' ); ?></label>

<input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo $title; ?>" /></p>

<p><input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id('dropdown'); ?>" name="<?php echo $this->get_field_name('dropdown'); ?>"<?php checked( $dropdown ); ?> />

<label for="<?php echo $this->get_field_id('dropdown'); ?>"><?php _e( 'Display as dropdown' ); ?></label><br />

<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id('count'); ?>" name="<?php echo $this->get_field_name('count'); ?>"<?php checked( $count ); ?> />

<label for="<?php echo $this->get_field_id('count'); ?>"><?php _e( 'Show post counts' ); ?></label><br />

<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id('hierarchical'); ?>" name="<?php echo $this->get_field_name('hierarchical'); ?>"<?php checked( $hierarchical ); ?> />

<label for="<?php echo $this->get_field_id('hierarchical'); ?>"><?php _e( 'Show hierarchy' ); ?></label></p>

<?php

}

/**

* Recent_Posts widget class

* @since 2.8.0

class WP_Widget_Recent_Posts extends WP_Widget {

public function __construct() {

$widget_ops = array('classname' => 'widget_recent_entries', 'description' => __( "Your site’s most recent Posts.") );

parent::__construct('recent-posts', __('Recent Posts'), $widget_ops);

$this->alt_option_name = 'widget_recent_entries';

add_action( 'save_post', array($this, 'flush_widget_cache') );

add_action( 'deleted_post', array($this, 'flush_widget_cache') );

add_action( 'switch_theme', array($this, 'flush_widget_cache') );

}

public function widget($args, $instance) {

$cache = array();

if ( ! $this->is_preview() ) {

$cache = wp_cache_get( 'widget_recent_posts', 'widget' );

}

if ( ! is_array( $cache ) ) {

$cache = array();

}

if ( ! isset( $args['widget_id'] ) ) {

$args['widget_id'] = $this->id;

}

if ( isset( $cache[ $args['widget_id'] ] ) ) {

echo $cache[ $args['widget_id'] ];

return;

}

ob_start();

$title = ( ! empty( $instance['title'] ) ) ? $instance['title'] : __( 'Recent Posts' );

/** This filter is documented in wp-includes/default-widgets.php */

$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );

$number = ( ! empty( $instance['number'] ) ) ? absint( $instance['number'] ) : 5;

if ( ! $number )

$number = 5;

$show_date = isset( $instance['show_date'] ) ? $instance['show_date'] : false;

/**

* Filter the arguments for the Recent Posts widget.

* @since 3.4.0

* @see WP_Query::get_posts()

* @param array $args An array of arguments used to retrieve the recent posts.

$r = new WP_Query( apply_filters( 'widget_posts_args', array(

'posts_per_page' => $number,

'no_found_rows' => true,

'post_status' => 'publish',

'ignore_sticky_posts' => true

) ) );

if ($r->have_posts()) :

<?php echo $args['before_widget']; ?>

<?php if ( $title ) {

echo $args['before_title'] . $title . $args['after_title'];

} ?>

<ul>

<?php while ( $r->have_posts() ) : $r->the_post(); ?>

<li>

<?php if ( $show_date ) : ?>

<?php endif; ?>

</li>

<?php endwhile; ?>

</ul>

<?php echo $args['after_widget']; ?>

<?php

// Reset the global $the_post as this query will have stomped on it

wp_reset_postdata();

endif;

if ( ! $this->is_preview() ) {

$cache[ $args['widget_id'] ] = ob_get_flush();

wp_cache_set( 'widget_recent_posts', $cache, 'widget' );

} else {

ob_end_flush();

}

public function update( $new_instance, $old_instance ) {

$instance = $old_instance;

$instance['title'] = strip_tags($new_instance['title']);

$instance['number'] = (int) $new_instance['number'];

$instance['show_date'] = isset( $new_instance['show_date'] ) ? (bool) $new_instance['show_date'] : false;

$this->flush_widget_cache();

$alloptions = wp_cache_get( 'alloptions', 'options' );

if ( isset($alloptions['widget_recent_entries']) )

delete_option('widget_recent_entries');

return $instance;

}

public function flush_widget_cache() {

wp_cache_delete('widget_recent_posts', 'widget');

}

public function form( $instance ) {

$title = isset( $instance['title'] ) ? esc_attr( $instance['title'] ) : '';

$number = isset( $instance['number'] ) ? absint( $instance['number'] ) : 5;

$show_date = isset( $instance['show_date'] ) ? (bool) $instance['show_date'] : false;

<p><label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label>

<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo $title; ?>" /></p>

<p><label for="<?php echo $this->get_field_id( 'number' ); ?>"><?php _e( 'Number of posts to show:' ); ?></label>

<input id="<?php echo $this->get_field_id( 'number' ); ?>" name="<?php echo $this->get_field_name( 'number' ); ?>" type="text" value="<?php echo $number; ?>" size="3" /></p>

<p><input class="checkbox" type="checkbox" <?php checked( $show_date ); ?> id="<?php echo $this->get_field_id( 'show_date' ); ?>" name="<?php echo $this->get_field_name( 'show_date' ); ?>" />

<label for="<?php echo $this->get_field_id( 'show_date' ); ?>"><?php _e( 'Display post date?' ); ?></label></p>

<?php

}

/**

* Recent_Comments widget class

* @since 2.8.0

class WP_Widget_Recent_Comments extends WP_Widget {

public function __construct() {

$widget_ops = array('classname' => 'widget_recent_comments', 'description' => __( 'Your site’s most recent comments.' ) );

parent::__construct('recent-comments', __('Recent Comments'), $widget_ops);

$this->alt_option_name = 'widget_recent_comments';

if ( is_active_widget(false, false, $this->id_base) )

add_action( 'wp_head', array($this, 'recent_comments_style') );

add_action( 'comment_post', array($this, 'flush_widget_cache') );

add_action( 'edit_comment', array($this, 'flush_widget_cache') );

add_action( 'transition_comment_status', array($this, 'flush_widget_cache') );

}

public function recent_comments_style() {

/**

* Filter the Recent Comments default widget styles.

* @since 3.1.0

* @param bool $active Whether the widget is active. Default true.

* @param string $id_base The widget ID.

if ( ! current_theme_supports( 'widgets' ) // Temp hack #14876

|| ! apply_filters( 'show_recent_comments_widget_style', true, $this->id_base ) )

return;

<?php

}

public function flush_widget_cache() {

wp_cache_delete('widget_recent_comments', 'widget');

}

public function widget( $args, $instance ) {

global $comments, $comment;

$cache = array();

if ( ! $this->is_preview() ) {

$cache = wp_cache_get('widget_recent_comments', 'widget');

}

if ( ! is_array( $cache ) ) {

$cache = array();

}

if ( ! isset( $args['widget_id'] ) )

$args['widget_id'] = $this->id;

if ( isset( $cache[ $args['widget_id'] ] ) ) {

echo $cache[ $args['widget_id'] ];

return;

}

$output = '';

$title = ( ! empty( $instance['title'] ) ) ? $instance['title'] : __( 'Recent Comments' );

/** This filter is documented in wp-includes/default-widgets.php */

$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );

$number = ( ! empty( $instance['number'] ) ) ? absint( $instance['number'] ) : 5;

if ( ! $number )

$number = 5;

/**

* Filter the arguments for the Recent Comments widget.

* @since 3.4.0

* @see get_comments()

* @param array $comment_args An array of arguments used to retrieve the recent comments.

$comments = get_comments( apply_filters( 'widget_comments_args', array(

'number' => $number,

'status' => 'approve',

'post_status' => 'publish'

) ) );

$output .= $args['before_widget'];

if ( $title ) {

$output .= $args['before_title'] . $title . $args['after_title'];

}

$output .= '<ul id="recentcomments">';

if ( $comments ) {

// Prime cache for associated posts. (Prime post term cache if we need it for permalinks.)

$post_ids = array_unique( wp_list_pluck( $comments, 'comment_post_ID' ) );

_prime_post_caches( $post_ids, strpos( get_option( 'permalink_structure' ), '%category%' ), false );

foreach ( (array) $comments as $comment) {

$output .= '<li class="recentcomments">';

/* translators: comments widget: 1: comment author, 2: post link */

$output .= sprintf( _x( '%1$s on %2$s', 'widgets' ),

'<span class="comment-author-link">' . get_comment_author_link() . '</span>',

'<a href="' . esc_url( get_comment_link( $comment->comment_ID ) ) . '">' . get_the_title( $comment->comment_post_ID ) . '</a>'

);

$output .= '</li>';

}

$output .= '</ul>';

$output .= $args['after_widget'];

echo $output;

if ( ! $this->is_preview() ) {

$cache[ $args['widget_id'] ] = $output;

wp_cache_set( 'widget_recent_comments', $cache, 'widget' );

}

public function update( $new_instance, $old_instance ) {

$instance = $old_instance;

$instance['title'] = strip_tags($new_instance['title']);

$instance['number'] = absint( $new_instance['number'] );

$this->flush_widget_cache();

$alloptions = wp_cache_get( 'alloptions', 'options' );

if ( isset($alloptions['widget_recent_comments']) )

delete_option('widget_recent_comments');

return $instance;

}

public function form( $instance ) {

$title = isset( $instance['title'] ) ? esc_attr( $instance['title'] ) : '';

$number = isset( $instance['number'] ) ? absint( $instance['number'] ) : 5;

<p><label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label>

<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo $title; ?>" /></p>

<p><label for="<?php echo $this->get_field_id( 'number' ); ?>"><?php _e( 'Number of comments to show:' ); ?></label>

<input id="<?php echo $this->get_field_id( 'number' ); ?>" name="<?php echo $this->get_field_name( 'number' ); ?>" type="text" value="<?php echo $number; ?>" size="3" /></p>

<?php

}

- Wordpress

2024年4月
月	火	水	木	金	土	日
« 4月
1	2	3	4	5	6	7
8	9	10	11	12	13	14
15	16	17	18	19	20	21
22	23	24	25	26	27	28
29	30

WordPressを読む 98-2 /blog/wp-includes/default-widgets.php 2

WordPressを読む　98-2 /blog/wp-includes/default-widgets.php 2