/src/Umbraco.Web/umbraco.presentation/umbraco/LiveEditing/Modules/SkinModule/SkinModule.cs

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using umbraco.presentation.LiveEditing.Modules;

using ClientDependency.Core;

using System.Web.UI.WebControls;

using umbraco.presentation.LiveEditing.Controls;

using umbraco.IO;

using System.Web.UI;

using umbraco.cms.businesslogic.skinning;

using ClientDependency.Core.Controls;

using umbraco.presentation.umbraco.controls;

using HtmlAgilityPack;

using umbraco.cms.businesslogic.template;

using System.Text;

using System.IO;

using System.Collections;



namespace umbraco.presentation.umbraco.LiveEditing.Modules.SkinModule

{

    [ClientDependency(200, ClientDependencyType.Javascript, "modal/modal.js", "UmbracoClient")]

    [ClientDependency(200, ClientDependencyType.Css, "modal/style.css", "UmbracoClient")]

    [ClientDependency(500, ClientDependencyType.Javascript, "LiveEditing/Modules/SkinModule/js/ModuleInjection.js", "UmbracoRoot")]

    [ClientDependency(800, ClientDependencyType.Javascript, "LiveEditing/Modules/SkinModule/js/disableInstallButtonsOnClick.js", "UmbracoRoot")]

    public class SkinModule : BaseModule

    {

        protected LabelButton m_SkinButton = new LabelButton();

        protected Panel m_SkinModal;



        protected LabelButton m_ModuleButton = new LabelButton();

        protected Panel m_ModuleModal;

        

      

        public SkinModule(LiveEditingManager manager)

            : base(manager)

        { }



        protected override void OnInit(EventArgs e)

        {

            base.OnInit(e);

            EnsureChildControls();



            

        }



        protected override void CreateChildControls()

        {

            base.CreateChildControls();





            Skin ActiveSkin = Skin.CreateFromAlias(Skinning.GetCurrentSkinAlias(NodeFactory.Node.GetCurrent().template));





            m_SkinModal = new Panel();

            m_SkinModal.ID = "LeSkinModal";

            m_SkinModal.Attributes.Add("style", "display: none");



            m_SkinModal.Controls.Add(new UserControl().LoadControl(String.Format("{0}/LiveEditing/Modules/SKinModule/SkinCustomizer.ascx", SystemDirectories.Umbraco)));



            Controls.Add(m_SkinModal);



            m_SkinButton.ID = "LeSkinButton";

            m_SkinButton.CssClass = "button";

            m_SkinButton.ToolTip = ActiveSkin != null && ActiveSkin.Dependencies.Count > 0 ? "Customize skin" : "Change skin";

            m_SkinButton.ImageUrl = String.Format("{0}/LiveEditing/Modules/SKinModule/images/skin.gif", SystemDirectories.Umbraco);



            string s = (ActiveSkin != null && ActiveSkin.Dependencies.Count > 0 ? "setTasksClientScripts();" : "") + "jQuery('#" + m_SkinModal.ClientID + @"').show();" + "jQuery('#" + m_SkinModal.ClientID + @"').ModalWindowShowWithoutBackground('" + ui.GetText("skin") + "',true,500,400,50,0, ['.modalbuton'], null);";



            m_SkinButton.OnClientClick = s +"return false;";



            Controls.Add(m_SkinButton);



            if (UmbracoContext.Current.LiveEditingContext.InSkinningMode && !string.IsNullOrEmpty(UmbracoContext.Current.Request["umbSkinningConfigurator"]))

            {

                ScriptManager.RegisterClientScriptBlock(

                   this,

                   this.GetType(),

                   "ShowSkinModule",

                   "function ShowSkinModule(){" + s + "}",

                   true);





                ClientDependencyLoader.Instance.RegisterDependency(500, "LiveEditing/Modules/SkinModule/js/SkinModuleShowOnStartup.js", "UmbracoRoot", ClientDependencyType.Javascript);

            }



            // modules

            if (CanInsertModules(NodeFactory.Node.GetCurrent().template))

            {

                m_ModuleModal = new Panel();

                m_ModuleModal.ID = "LeModuleModal";

                m_ModuleModal.CssClass = "ModuleSelector";

                m_ModuleModal.Attributes.Add("style", "display: none");



                m_ModuleModal.Controls.Add(new UserControl().LoadControl(String.Format("{0}/LiveEditing/Modules/SKinModule/ModuleSelector.ascx", SystemDirectories.Umbraco)));



                Controls.Add(m_ModuleModal);





                m_ModuleButton.ID = "LeModuleButton";

                m_ModuleButton.CssClass = "button";

                m_ModuleButton.ToolTip = "Insert Module";

                m_ModuleButton.ImageUrl = String.Format("{0}/LiveEditing/Modules/SKinModule/images/module.gif", SystemDirectories.Umbraco);



                m_ModuleButton.OnClientClick = "umbShowModuleSelection();" + "return false;";



                Controls.Add(m_ModuleButton);

            }

        }



        private bool CanInsertModules(int template)

        {

            Template t = new Template(template);



            HtmlDocument doc = new HtmlDocument();

            doc.Load(t.MasterPageFile);



            if (doc.DocumentNode.SelectNodes(string.Format("//*[@class = '{0}']", "umbModuleContainer")) != null)

                return true;

            else

            {

                if (t.HasMasterTemplate)

                    return CanInsertModules(t.MasterTemplate);

                else

                    return false;

            }



        }



        protected override void Manager_MessageReceived(object sender, MesssageReceivedArgs e)

        {

            switch (e.Type)

            {

                case "injectmodule":

                    //update template, insert macro tag

                    InsertModule(NodeFactory.Node.GetCurrent().template, e.Message.Split(';')[0], e.Message.Split(';')[1], e.Message.Split(';')[2] == "prepend");

                    break;

                case "movemodule":



                    string moduleId = e.Message.Split(';')[0];

                    string parentId = e.Message.Split(';')[1];



                    int index = 0;

                    int.TryParse(e.Message.Split(';')[2], out index);



                    HtmlNode module = FindModule(NodeFactory.Node.GetCurrent().template, moduleId, false);



                    if (module != null)

                    {

                        FindModule(NodeFactory.Node.GetCurrent().template, moduleId, true);

                        MoveModule(NodeFactory.Node.GetCurrent().template, module, parentId, index);

                    }



                    break;



                case "removemodule":



                    FindModule(NodeFactory.Node.GetCurrent().template,  e.Message.Split(';')[0], true);



                    break;



            }

        }



        private bool MoveModule(int template, HtmlNode module, string targetId, int index)

        {

            Template t = new Template(template);



            string TargetFile = t.MasterPageFile;

            string TargetID = targetId;



            HtmlDocument doc = new HtmlDocument();

            doc.Load(TargetFile);



            if (doc.DocumentNode.SelectNodes(string.Format("//*[@id = '{0}']", TargetID)) != null)

            {

                HtmlNode parent = doc.DocumentNode.SelectSingleNode(string.Format("//*[@id = '{0}']", TargetID));



                if (index > 0 && parent.ChildNodes.Count > 0)

                {

                    parent.InsertAfter(module, parent.ChildNodes[index - 1]);

                }

                else if (index == 0 && parent.ChildNodes.Count > 0)

                {

                    parent.InsertBefore(module, parent.ChildNodes[0]);

                }

                else

                {

                    parent.AppendChild(module);

                    //parent.ChildNodes.Add(module);

                }



                doc.Save(TargetFile);



                return true;



            }

            else

            {

                //might be on master template

                if (t.HasMasterTemplate)

                    return MoveModule(template, module, targetId,index);

                else

                    return false;

            }

        }



        private HtmlNode FindModule(int template, string id, bool remove)

        {

            Template t = new Template(template);

            string TargetFile = t.MasterPageFile;

            string TargetID = id;



            HtmlDocument doc = new HtmlDocument();

            doc.Load(TargetFile);



            if (doc.DocumentNode.SelectSingleNode(string.Format("//*[@id = '{0}']", TargetID)) != null)

            {

                if (!remove)

                    return doc.DocumentNode.SelectSingleNode(string.Format("//*[@id = '{0}']", TargetID));

                else

                {

                    HtmlNode r = doc.DocumentNode.SelectSingleNode(string.Format("//*[@id = '{0}']", TargetID)).Clone();



                    doc.DocumentNode.SelectSingleNode(string.Format("//*[@id = '{0}']", TargetID)).RemoveAll();



                    doc.Save(TargetFile);



                    return r;

                }

            }

            else

            {

                if (t.HasMasterTemplate)

                    return FindModule(template,id,remove);

                else

                    return null;

            }

        }

        private bool InsertModule(int template, string targetId, string tag, bool prepend)

        {

            Template t = new Template(template);



            string TargetFile = t.MasterPageFile;

            string TargetID = targetId;



            HtmlDocument doc = new HtmlDocument();

            doc.Load(TargetFile);



            if (doc.DocumentNode.SelectNodes(string.Format("//*[@id = '{0}']", TargetID)) != null)

            {

                foreach (HtmlNode target in doc.DocumentNode.SelectNodes(string.Format("//*[@id = '{0}']", TargetID)))

                {

                    HtmlNode macrotag = HtmlNode.CreateNode(tag);



                    if (prepend)

                        target.PrependChild(macrotag);

                    else

                        target.AppendChild(macrotag);

                }

                doc.Save(TargetFile);



                return true;

            }

            else

            {

                //might be on master template

                if (t.HasMasterTemplate)

                    return InsertModule(t.MasterTemplate, targetId, tag, prepend);

                else

                    return false;

            }

        }

    }

}