Show/hide for custom taxonomy term?

Here’s a patch that will add this functionality.

@@ -140,6 +139,20 @@
 					unset( $c_id, $cat );
 				}
 			}
+
+			if ( ! $show ) {
+				$taxes = get_object_taxonomies( $type );
+				foreach ( $taxes as $tax ){
+					$terms = wp_get_post_terms( $post_id, $tax );
+					foreach ( $terms as $key=>$term_obj ){
+						$term = $term_obj->term_id;
+						$show = isset( $instance[ 'term-' . $term ] ) ? $instance[ 'term-' . $term ] : false;
+						unset( $term );
+					}
+					unset( $terms );
+				}
+				unset( $taxes );
+			}			

 		} else if ( is_404() ) {
 			$show = isset( $instance['page-404'] ) ? $instance['page-404'] : false;
@@ -415,6 +428,29 @@
     </div>
     <?php } ?>

+    <?php if ( ! empty( $this->terms ) ) { ?>
+
+	    <?php
+			foreach ( $this->terms as $tax => $term_arr ) {
+	    ?>
+		    <h4 class="dw_toggle" style="cursor:pointer;"><?php echo $tax ?> +/-</h4>
+		    <div class="dw_collapse">
+		    <?php
+				foreach ( $term_arr as $key => $term_obj ) {
+					$term = $term_obj->term_id;
+		        	$instance[ 'term-' . $term ] = isset( $instance[ 'term-' . $term ] ) ? $instance[ 'term-' . $term ] : false;
+		    ?>
+				<p><input class="checkbox" type="checkbox" <?php checked( $instance['term-'. $term], true ); ?> id="<?php echo esc_attr( $widget->get_field_id('term-'. $term) ); ?>" name="<?php echo esc_attr( $widget->get_field_name('term-'. $term) ); ?>" />
+				<label for="<?php echo esc_attr( $widget->get_field_id('term-'. $term) ); ?>"><?php echo str_replace( array( '_','-' ), ' ', ucfirst( $term_obj->name ) ) ?></label></p>
+		    	<?php
+					unset( $key );
+				}?>
+			</div>
+			<?php unset( $tax );
+			}
+	    ?>
+    <?php } ?>
+
     <?php if ( ! empty( $this->langs ) ) { ?>
     <h4 class="dw_toggle" style="cursor:pointer;"><?php _e( 'Languages', 'display-widgets' ) ?> +/-</h4>
     <div class="dw_collapse">
@@ -503,6 +539,21 @@
 				unset( $tax );
 			}
 		}
+
+		if ( ! empty( $this->terms ) ) {
+			foreach ( $this->terms as $tax => $term_arr ) {
+				foreach ($term_arr as $key => $term_obj){
+					$term = $term_obj->term_id;
+					if ( isset( $new_instance[ 'term-' . $term ] ) ) {
+						$instance['term-'. $term] = 1;
+					} else if ( isset( $instance[ 'term-' . $term ] ) ) {
+						unset( $instance[ 'term-' . $term ] );
+					}
+					unset( $term );
+				}
+				unset( $tax );
+			}
+		}		

 		if ( ! empty( $this->langs ) ) {
 			foreach ( $this->langs as $lang ) {
@@ -666,6 +717,11 @@
 					}

 					$this->taxes[ $post_tax ] = $name;
+
+					if ( !empty( get_terms( $post_tax ) ) ){
+						$this->terms[ $name ] = get_terms( $post_tax );
+					}
+
 				}
 			}
 		}
@@ -680,6 +736,7 @@
 			'cats'      => $this->cats,
 			'cposts'    => $this->cposts,
 			'taxes'     => $this->taxes,
+			'terms'     => $this->terms,
 		), 60*60*24*7 );

 		if ( empty( $this->checked ) ) {

Hey MarcGuay

I have the same problem where do I add your code?

Ok found out with the line numbers and + good documented!
But somehow I get a 500 Server Error on the whole site when changing the plugin file