日志：get_tree 方法加强快照，十分注意",:method=>:get参数

iteye_13084

于 2008-12-26 14:10:40 发布

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分类专栏： rails 文章标签： HTML JavaScript ViewUI

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本文介绍了一种使用Ruby实现的部门树状结构生成方法。通过递归遍历部门信息并利用WebFXTreeItem构建树形菜单，实现了动态展示组织结构的功能。文章详细解释了如何根据部门的层级关系创建相应的WebFXTreeItem实例，并将其添加到父节点中。

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module DepartmentsHelper
  def get_tree(trees, parent)
    tree_html = "";
    trees.each do |tree|
      if tree.is_root?
        tree_html += "var tree_#{tree.id} = new WebFXTreeItem('#{tree.name}',\"javascript:link_to_remote_#{tree.id}()\");\r\n"
        tree_html +="function link_to_remote_#{tree.id}(){#{remote_function :url=>edit_department_path(tree),:update=>"edit_form",:method=>:get}}\r\n";
        tree_html += "rootTree.add(tree_#{tree.id});\r\n"
      end

      if !tree.is_leaf?
        if !tree.is_root?
          tree_html += "var tree_#{tree.id} = new WebFXTreeItem('#{tree.name}','#{edit_department_path(tree)}');\r\n"
          tree_html += "tree_#{parent.id}.add(tree_#{tree.id});\r\n"
        end
        tree_html += get_tree(tree.children, tree)
      else
        if !tree.is_root?
          tree_html += "var tree_#{tree.id} = new WebFXTreeItem('#{tree.name}','#{edit_department_path(tree)}');\r\n"
          if !parent.nil?
            tree_html += "tree_#{parent.id}.add(tree_#{tree.id});\r\n"
          end
        end
      end
    end
    return tree_html
  end
end