Show chart automatically when user clicks on another menu item

Author: contactashish13

classes/Visualizer/Render/Page/Data.php

@@ -221,7 +221,7 @@ class="visualizer-select">
 													?>
 											</div>
 
-											<input type="button" id="json-chart-button" class="button button-secondary "
+											<input type="button" id="json-chart-button" class="button button-secondary show-chart-toggle"
 											value="<?php echo $bttn_label; ?>" data-current="chart"
 											data-t-filter="<?php _e( 'Show Chart', 'visualizer' ); ?>"
 											data-t-chart="<?php echo $bttn_label; ?>">
@@ -334,7 +334,7 @@ class="dashicons dashicons-lock"></span></h2>
 										?>
 										</select>
 
-										<input type="button" id="filter-chart-button" class="button button-secondary" value="<?php echo $bttn_label; ?>" data-current="chart" data-t-filter="<?php _e( 'Show Chart', 'visualizer' ); ?>" data-t-chart="<?php echo $bttn_label; ?>">
+										<input type="button" id="filter-chart-button" class="button button-secondary show-chart-toggle" value="<?php echo $bttn_label; ?>" data-current="chart" data-t-filter="<?php _e( 'Show Chart', 'visualizer' ); ?>" data-t-chart="<?php echo $bttn_label; ?>">
 										<input type="button" id="db-filter-save-button" class="button button-primary" value="<?php _e( 'Save Schedule', 'visualizer' ); ?>">
 										<?php echo apply_filters( 'visualizer_pro_upsell', '', 'db-query' ); ?>
 									</form>
@@ -384,7 +384,7 @@ class="dashicons dashicons-lock"></span></h2>
 								</select>
 								<input type="hidden" name="params" id="viz-db-wizard-params">
 
-								<input type="button" id="db-chart-button" class="button button-secondary" value="<?php echo $bttn_label; ?>" data-current="chart" data-t-filter="<?php _e( 'Show Chart', 'visualizer' ); ?>" data-t-chart="<?php echo $bttn_label; ?>">
+								<input type="button" id="db-chart-button" class="button button-secondary show-chart-toggle" value="<?php echo $bttn_label; ?>" data-current="chart" data-t-filter="<?php _e( 'Show Chart', 'visualizer' ); ?>" data-t-chart="<?php echo $bttn_label; ?>">
 								<input type="button" id="db-chart-save-button" class="button button-primary" value="<?php _e( 'Save Schedule', 'visualizer' ); ?>">
 								<?php echo apply_filters( 'visualizer_pro_upsell', '', 'db-query' ); ?>
 							</form>

js/frame.js

@@ -67,6 +67,8 @@
 
             return false;
         });
+
+        // collapse other open sections of this group
         $('.viz-group-title').click(function () {
             var parent = $(this).parent();
 
@@ -76,7 +78,16 @@
                 parent.parent().find('.viz-group.open').removeClass('open');
                 parent.addClass('open');
             }
+
+            // if the user wanted to perform an action
+            // and the chart is no longer showing because that particular screen is showing
+            // e.g. create parameters
+            // and then the user decided to click on another action
+            // let's invoke the show chart of the previous action so that the chart shows 
+            // and the user does not get confused
+            $('input[type="button"][data-current!="chart"].show-chart-toggle').trigger('click');
         });
+
         $('#view-remote-file').click(function () {
             var url = $(this).parent().find('#remote-data').val();
 
@@ -330,8 +341,13 @@
         } );
 
         $( '#db-chart-save-button' ).on( 'click', function(){
-            $('#viz-db-wizard-params').val($('#db-query-form').serialize());
-            $('#vz-db-wizard').submit();
+            // submit only if a query has been provided.
+            if($('#db-query-form .visualizer-db-query').val().length > 0){
+                $('#viz-db-wizard-params').val($('#db-query-form').serialize());
+                $('#vz-db-wizard').submit();
+            }else{
+                $('#canvas').unlock();
+            }
         });
     }