Class: Netzke::Communitypack::Workspace

Inherits:
Base
  • Object
show all
Defined in:
lib/netzke/communitypack/workspace.rb

Overview

A component that allows for dynamical loading/unloading of other Netzke components in tabs. It can be manipulated by calling the <js>loadChild</js> method, e.g.:

workspace.loadChild("UserGrid", {newTab: true})

  • will load a UserGrid component from the server in a new tab.

Instance Method Summary collapse

Instance Method Details

#components ⇒ Object

Overriding this to allow for dynamically declared components



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# File 'lib/netzke/communitypack/workspace.rb', line 39

def components
  stored_tabs.inject({}){ |r,tab| r.merge(tab[:name].to_sym => tab.reverse_merge(:prevent_header => true, :lazy_loading => true, :border => false)) }.merge(:cmp0 => dashboard_config)
end

#dashboard_config ⇒ Object 



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# File 'lib/netzke/communitypack/workspace.rb', line 31

def dashboard_config
  {
    :title => "Dashboard",
    :class_name => "Netzke::Basepack::Panel"
  }.merge!(@passed_config[:dashboard_config] || {}).merge(:name => 'cmp0', :lazy_loading => false)
end

#default_config ⇒ Object 



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# File 'lib/netzke/communitypack/workspace.rb', line 17

def default_config
  super.tap do |c|
    c[:items] = ([dashboard_config] + stored_tabs).each_with_index.map do |tab,i|
      {
        :layout => 'fit',
        :title => tab[:title],
        :closable => i > 0, # all closable except first
        :netzke_component_id => tab[:name],
        :items => !components[tab[:name].to_sym][:lazy_loading] && [tab[:name].to_sym.component]
      }
    end
  end
end

#deliver_component_endpoint(params) ⇒ Object

Overriding the deliver_component endpoint, to dynamically add tabs and replace components in existing tabs



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# File 'lib/netzke/communitypack/workspace.rb', line 44

def deliver_component_endpoint(params)
  cmp_name = params[:name]
  cmp_index = cmp_name.sub("cmp", "").to_i

  if params[:component].present?
    current_tabs = stored_tabs

    # we need to instantiate the newly added child to get access to its title
    cmp_class = constantize_class_name(params[:component])
    raise RuntimeError, "Could not find class #{params[:component]}" if cmp_class.nil?

    cmp_config = {:name => params[:name], :class_name => cmp_class.name}.merge(params[:config] || {}).symbolize_keys
    cmp_instance = cmp_class.new(cmp_config, self)
    new_tab_short_config = cmp_config.merge(:title => cmp_instance.js_config[:title] || cmp_instance.class.js_properties[:title]) # here we set the title

    if stored_tabs.empty? || cmp_index > stored_tabs.last[:name].sub("cmp", "").to_i
      # add new tab to persistent storage
      current_tabs << new_tab_short_config
    else
      # replace existing tab in the storage
      current_tabs[current_tabs.index(current_tabs.detect{ |tab| tab[:name] == cmp_name })] = new_tab_short_config
    end

    component_session[:items] = current_tabs
    @stored_tabs = nil # reset cache
  end

  super(params)
end