[D7] Chained Dropdown

Please include your git clone command (not the personal one, but the general purpose one)

Git clone command for the sandbox is missing in the issue summary, please add it.

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Hello,
please use pareview.sh

I tested your module, if I selected a childless term , the second list does not change and displays the wrong term

Fails automatic tests:

http://pareview.sh/pareview/httpgitdrupalorgsandboxricson2301987git

Primarily small issues with formatting, but you also have the following issues:
Missing README file
Need to clean up your .info file - remove everything after "dependencies" lines

@ricsonhoo, first of all thanks for your contribution.

Your above mention git command is incorrect, it should be:
git clone --branch 7.x-1.x http://git.drupal.org/sandbox/ricson/2301987.git

Following modules looks like similar to your module.

1. Hierarchical Select
2. Simple hierarchical select

Please add your comment on this.

Manual Review:

1. Also I tested your module if I make multi-level hierarchy with different-2 number of child as shown below:

Now It is appearing in content type form as shown below:

2.Some garbage value is coming in comments.

 for ($i = 0; $i < $depth; $i++) {
    // 获得本select的所代表的depth�parent

3. Better to keep following code in separate js file and use Drupal.settings with drupal behaviors.

$js = <<<EOL
    (function($, Drupal) {
      Drupal.behaviors.chained_dropdown = {
        attach: function(context, settings) {
        //our js goes here
         var default_options_string_$widget_id = "$default_options_string";
         var all_options_$widget_id = $all_options;
         target_select = $("select[datasource=$widget_id][depth="+ $depth +"]");
         selected_value = target_select.val();
         target_select.empty().append(default_options_string_$widget_id);
         target_select.val(selected_value);
         last_select = $("select[datasource=$widget_id][depth=$depth]").find("option");
         if (!last_select.length){
           copied_val = $("select[datasource=$widget_id][depth=$up_depth]").val();
           copied_txt = $("select[datasource=$widget_id][depth=$up_depth]").find("option:selected").text();
           copied_option = '<option value="'+copied_val+'">'+copied_txt+'</option>';
           $("select[datasource=$widget_id][depth=$depth]").append(copied_option).hide();
         }
         $('.chained-dropdown').change(function(){
            eval('var data_source = all_options_' + $(this).attr('datasource'));
            depth = (parseInt($(this).attr('depth'))+1);
            value = $(this).val();
            //console.log(depth);
            //console.log(value);
            var new_options_data = {};
            var new_options = '';
            eval('new_options_data = data_source._'+ depth + '._' + value);
            var childless = false;
            if (typeof(new_options_data) == "undefined") {
              childless = true;
              current_val = $(this).val();
              current_txt = $(this).find("option:selected").text();
              eval('new_options_data = {'+ current_val +':"'+current_txt+ '"};');
            }

            $.each(new_options_data, function(key, text){
                new_options += '<option value="'+key+'">'+text+'</option>';
            });
            
            child_select = $("select[datasource="+ $(this).attr('datasource') +"][depth="+ depth +"]");
            child_select.empty().append(new_options);
            if (childless){
              child_select.hide();
            }else{
              child_select.show();
            }
           

         });


        }
       };
    }(jQuery, Drupal));
EOL;
  drupal_add_js($js, array(
    'type' => 'inline',
    'scope' => 'footer',
    'weight' => 5,
    )
  );

4. There is only one function in your .module file, better to break this function code in sub functions, hard to read and debug.
5. hook_help() is also missing in your module.
6. Project page description is too small.

Thanks Again!

Closing due to lack of activity. If you are still working on this application, you should fix all known problems and then set the status to "Needs review". (See also the project application workflow).

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