wp-liveticker/includes/widget.php

<?php

class wplt_widget extends WP_Widget {
	function __construct() {
		parent::__construct( false, $name = 'Liveticker' );
	}

	function widget( $args, $instance ) {
		extract( $args );
		$title          = apply_filters( 'wplt_catlit', $instance['title'] );
		$category       = apply_filters( 'wplt_catlit', $instance['category'] );
		$count          = apply_filters( 'wplt_catlit', $instance['count'] );
		$link           = apply_filters( 'wplt_catlit', $instance['link'] );
		$highlight      = apply_filters( 'wplt_catlit', $instance['highlight'] );
		$highlight_time = apply_filters( 'wplt_catlit', $instance['highlight_time'] );
		$ajax           = apply_filters( 'wplt_catlit', $instance['ajax'] );
		?>

		<?php
		echo $before_widget;
		?>

		<?php
		if ( $title ) {
			echo $before_title . $title . $after_title;
		}

		?>
		<ul class="wplt_widget">
			<?php
			$args = array(
				'post_type' => 'wplt_tick',
				'tax_query' => array(
					array(
						'taxonomy' => 'wplt_ticker',
						'field'    => 'slug',
						'terms'    => $category,
					)
				)
			);

			$wp_query = new WP_Query( $args );
			while ( $wp_query->have_posts() ) : $wp_query->the_post();
				?>
				<li>
					<span class="wplt_widget_time"><?php echo get_the_time( 'd.m.Y - H.i' ); ?></span><span class="wplt_widget_content<?php if ( $highlight == "1" && get_the_time( 'U' ) > ( time() - $highlight_time ) ) {
						echo '_new';
					} ?>"><br /><?php echo the_title(); ?></span></li>
				<?php
				if ( $count > 0 && ++ $cnt == $count ) {
					break;
				}
			endwhile;
			?>
		</ul>

		<?php
		if ( $link ) {
			print '<p class="wplt_widget_link"><a href="' . $link . '">' . __( 'show all', 'wplt2' ) . '...</a></p>';
		}

		echo $after_widget;
		?>
		<?php
	}

	function update( $new_instance, $old_instance ) {
		return $new_instance;
	}

	function form( $instance ) {
		$title          = esc_attr( $instance['title'] );
		$category       = esc_attr( $instance['category'] );
		$count          = esc_attr( $instance['count'] );
		$link           = esc_attr( $instance['link'] );
		$highlight      = esc_attr( $instance['highlight'] );
		$highlight_time = esc_attr( $instance['highlight_time'] );
		$ajax           = esc_attr( $instance['ajax'] );
		$categories     = get_terms( 'wplt_ticker', 'orderby=name&order=ASC' );
		?>

		<table>
			<tr>
				<td><label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label></td>
				<td>
					<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; ?>" />
				</td>
			</tr>
			<tr>
				<td>
					<label for="<?php echo $this->get_field_id( 'category' ); ?>"><?php _e( 'Ticker:', 'wplt2' ); ?></label>
				</td>
				<td>
					<select id="<?php echo $this->get_field_id( 'category' ); ?>" name="<?php echo $this->get_field_name( 'category' ); ?>">
						<?php foreach ( $categories as $cat ) {
							echo '<option value="' . $cat->slug . '"';
							if ( $category == $cat->slug ) {
								echo ' selected="selected"';
							}
							echo '>' . $cat->name . '</option>';
						} ?>
					</select>
				</td>
			</tr>
			<tr>
				<td>
					<label for="<?php echo $this->get_field_id( 'count' ); ?>"><?php _e( 'Number of Ticks:', 'wplt2' ); ?></label>
				</td>
				<td>
					<select id="<?php echo $this->get_field_id( 'count' ); ?>" name="<?php echo $this->get_field_name( 'count' ); ?>">
						<option value="0"<?php if ( $count == 0 )
							echo ' selected="selected"' ?>><?php _e( 'all', 'wplt2' ); ?></option>
						<option value="1"<?php if ( $count == 1 )
							echo ' selected="selected"' ?>>1
						</option>
						<option value="2"<?php if ( $count == 2 )
							echo ' selected="selected"' ?>>2
						</option>
						<option value="3"<?php if ( $count == 3 )
							echo ' selected="selected"' ?>>3
						</option>
						<option value="4"<?php if ( $count == 4 )
							echo ' selected="selected"' ?>>4
						</option>
						<option value="5"<?php if ( $count == 5 )
							echo ' selected="selected"' ?>>5
						</option>
						<option value="6"<?php if ( $count == 6 )
							echo ' selected="selected"' ?>>6
						</option>
						<option value="7"<?php if ( $count == 7 )
							echo ' selected="selected"' ?>>7
						</option>
						<option value="8"<?php if ( $count == 8 )
							echo ' selected="selected"' ?>>8
						</option>
						<option value="9"<?php if ( $count == 9 )
							echo ' selected="selected"' ?>>9
						</option>
						<option value="10"<?php if ( $count == 10 )
							echo ' selected="selected"' ?>>10
						</option>
					</select>
				</td>
			</tr>
			<tr>
				<td>
					<label for="<?php echo $this->get_field_id( 'link' ); ?>"><?php _e( 'Link (optional):', 'wplt2' ); ?></label>
				</td>
				<td>
					<input class="widefat" id="<?php echo $this->get_field_id( 'link' ); ?>" name="<?php echo $this->get_field_name( 'link' ); ?>" type="text" value="<?php echo $link; ?>" />
				</td>
			</tr>
			<tr>
				<td>
					<label for="<?php echo $this->get_field_id( 'highlight' ); ?>"><?php _e( 'Highlight new:', 'wplt2' ); ?></label>
				</td>
				<td>
					<input class="widefat" id="<?php echo $this->get_field_id( 'highlight' ); ?>" name="<?php echo $this->get_field_name( 'highlight' ); ?>" type="checkbox" value="1" <?php if ( $highlight == "1" ) {
						echo ' checked="checked"';
					} ?> /></td>
			</tr>
			<tr>
				<td>
					<label for="<?php echo $this->get_field_id( 'highlight_time' ); ?>"><?php _e( 'Highlight time [s]:', 'wplt2' ); ?></label>
				</td>
				<td>
					<input class="widefat" id="<?php echo $this->get_field_id( 'highlight_time' ); ?>" name="<?php echo $this->get_field_name( 'highlight_time' ); ?>" type="text" value="<?php echo $highlight_time; ?>" />
				</td>
			</tr>
			<tr>
				<td>
					<label for="<?php echo $this->get_field_id( 'ajax' ); ?>"><?php _e( 'Auto refresh:', 'wplt2' ); ?></label>
				</td>
				<td>
					<input class="widefat" id="<?php echo $this->get_field_id( 'ajax' ); ?>" name="<?php echo $this->get_field_name( 'ajax' ); ?>" type="checkbox" value="1"<?php if ( $ajax == "1" ) {
						echo ' checked="checked"';
					} ?> disabled="disabled" />
					<small><?php _e( '(enables ajax)', 'wplt2' ); ?></small>
				</td>
			</tr>
		</table>


		<?php
	}
}

add_action( 'widgets_init', 'wplt_widget_init' );
function wplt_widget_init() {
	register_widget( 'wplt_widget' );
}