// EMERGENT GAME TECHNOLOGIES PROPRIETARY INFORMATION
//
// This software is supplied under the terms of a license agreement or
// nondisclosure agreement with Emergent Game Technologies and may not 
// be copied or disclosed except in accordance with the terms of that 
// agreement.
//
//      Copyright (c) 1996-2007 Emergent Game Technologies.
//      All Rights Reserved.
//
// Emergent Game Technologies, Chapel Hill, North Carolina 27517
// http://www.emergent.net

using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Windows.Forms;
using Emergent.Gamebryo.SceneDesigner.Framework;
using Emergent.Gamebryo.SceneDesigner.PluginAPI;
using Emergent.Gamebryo.SceneDesigner.PluginAPI.StandardServices;
using Emergent.Gamebryo.SceneDesigner.StdPluginsCs.Dialogs;

namespace Emergent.Gamebryo.SceneDesigner.StdPluginsCs.Panels
{
	public class EntityTemplatePanel : Form
	{

        #region Private Data
        private IComponentService m_componentService;
	    private IEntityPathService m_entityPathService;
        private bool m_bDoRefreshUI = false;
        #endregion
        private System.Windows.Forms.Label m_lblSelectedTemplateHeading;
        private System.Windows.Forms.Label m_lblSelectedTemplate;
        private System.Windows.Forms.Button m_btnEditTemplate;
        private System.Windows.Forms.Button m_btnCreateNewTemplate;
        private System.Windows.Forms.Label m_lblDummy;
        private System.Windows.Forms.Label m_lblPropertySets;
        private System.Windows.Forms.PropertyGrid m_gridProperties;
        private System.Windows.Forms.Panel panel1;
		private System.ComponentModel.IContainer components = null;
        private Font m_fontNormal;
        private Font m_fontBold;

	    public EntityTemplatePanel()
		{
			// This call is required by the Windows Form Designer.
			InitializeComponent();

            IUICommandService uiCommandService = 
                ServiceProvider.Instance.GetService(
                    typeof(IUICommandService)) as IUICommandService;

            uiCommandService.BindCommands(this);
	        
	        MFramework.Instance.EventManager.LongOperationCompleted
                += new MEventManager.__Delegate_LongOperationCompleted(
                OnLongOperationCompleted);
        }

        void OnLongOperationCompleted()
        {
            if (m_bDoRefreshUI)
            {
                RefreshUI();
                m_bDoRefreshUI = false;
            }
        }

        private MFramework FW
        {
            get { return MFramework.Instance; }
        }

        private IComponentService ComponentService
        {
            get
            {
                if (m_componentService == null)
                {
                    ServiceProvider sp = ServiceProvider.Instance;
                    m_componentService = 
                        sp.GetService(typeof(IComponentService))
                        as IComponentService;
                }
                return m_componentService;
            }
        }

        private IEntityPathService EntityPathService
        {
            get
            {
                if (m_entityPathService == null)
                {
                    ServiceProvider sp = ServiceProvider.Instance;
                    m_entityPathService = 
                        sp.GetService(typeof(IEntityPathService))
                        as IEntityPathService;
                }
                return m_entityPathService;
            }
        }

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
            System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(EntityTemplatePanel));
            this.m_lblSelectedTemplateHeading = new System.Windows.Forms.Label();
            this.m_lblSelectedTemplate = new System.Windows.Forms.Label();
            this.m_lblPropertySets = new System.Windows.Forms.Label();
            this.m_btnEditTemplate = new System.Windows.Forms.Button();
            this.m_btnCreateNewTemplate = new System.Windows.Forms.Button();
            this.m_lblDummy = new System.Windows.Forms.Label();
            this.m_gridProperties = new System.Windows.Forms.PropertyGrid();
            this.panel1 = new System.Windows.Forms.Panel();
            this.panel1.SuspendLayout();
            this.SuspendLayout();
            // 
            // m_lblSelectedTemplateHeading
            // 
            this.m_lblSelectedTemplateHeading.AutoSize = true;
            this.m_lblSelectedTemplateHeading.Location = new System.Drawing.Point(10, 9);
            this.m_lblSelectedTemplateHeading.Name = "m_lblSelectedTemplateHeading";
            this.m_lblSelectedTemplateHeading.Size = new System.Drawing.Size(113, 12);
            this.m_lblSelectedTemplateHeading.TabIndex = 0;
            this.m_lblSelectedTemplateHeading.Text = "Selected Template:";
            // 
            // m_lblSelectedTemplate
            // 
            this.m_lblSelectedTemplate.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
                        | System.Windows.Forms.AnchorStyles.Right)));
            this.m_lblSelectedTemplate.Location = new System.Drawing.Point(10, 26);
            this.m_lblSelectedTemplate.Name = "m_lblSelectedTemplate";
            this.m_lblSelectedTemplate.Size = new System.Drawing.Size(404, 26);
            this.m_lblSelectedTemplate.TabIndex = 1;
            // 
            // m_lblPropertySets
            // 
            this.m_lblPropertySets.AutoSize = true;
            this.m_lblPropertySets.Location = new System.Drawing.Point(10, 52);
            this.m_lblPropertySets.Name = "m_lblPropertySets";
            this.m_lblPropertySets.Size = new System.Drawing.Size(125, 12);
            this.m_lblPropertySets.TabIndex = 2;
            this.m_lblPropertySets.Text = "Template Properties:";
            // 
            // m_btnEditTemplate
            // 
            this.m_btnEditTemplate.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
            this.m_btnEditTemplate.FlatStyle = System.Windows.Forms.FlatStyle.System;
            this.m_btnEditTemplate.Location = new System.Drawing.Point(10, 414);
            this.m_btnEditTemplate.Name = "m_btnEditTemplate";
            this.m_btnEditTemplate.Size = new System.Drawing.Size(57, 25);
            this.m_btnEditTemplate.TabIndex = 3;
            this.m_btnEditTemplate.Text = "Edit";
            this.m_btnEditTemplate.Click += new System.EventHandler(this.m_btnEditTemplate_Click);
            // 
            // m_btnCreateNewTemplate
            // 
            this.m_btnCreateNewTemplate.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
            this.m_btnCreateNewTemplate.FlatStyle = System.Windows.Forms.FlatStyle.System;
            this.m_btnCreateNewTemplate.Location = new System.Drawing.Point(357, 414);
            this.m_btnCreateNewTemplate.Name = "m_btnCreateNewTemplate";
            this.m_btnCreateNewTemplate.Size = new System.Drawing.Size(57, 25);
            this.m_btnCreateNewTemplate.TabIndex = 4;
            this.m_btnCreateNewTemplate.Text = "New";
            this.m_btnCreateNewTemplate.Click += new System.EventHandler(this.m_btnCreateNewTemplate_Click);
            // 
            // m_lblDummy
            // 
            this.m_lblDummy.BackColor = System.Drawing.SystemColors.Control;
            this.m_lblDummy.Location = new System.Drawing.Point(134, 233);
            this.m_lblDummy.Name = "m_lblDummy";
            this.m_lblDummy.Size = new System.Drawing.Size(10, 8);
            this.m_lblDummy.TabIndex = 5;
            // 
            // m_gridProperties
            // 
            this.m_gridProperties.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
                        | System.Windows.Forms.AnchorStyles.Left)
                        | System.Windows.Forms.AnchorStyles.Right)));
            this.m_gridProperties.LineColor = System.Drawing.SystemColors.ScrollBar;
            this.m_gridProperties.Location = new System.Drawing.Point(0, 0);
            this.m_gridProperties.Name = "m_gridProperties";
            this.m_gridProperties.Size = new System.Drawing.Size(405, 336);
            this.m_gridProperties.TabIndex = 0;
            // 
            // panel1
            // 
            this.panel1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
                        | System.Windows.Forms.AnchorStyles.Left)
                        | System.Windows.Forms.AnchorStyles.Right)));
            this.panel1.Controls.Add(this.m_gridProperties);
            this.panel1.Location = new System.Drawing.Point(10, 69);
            this.panel1.Name = "panel1";
            this.panel1.Size = new System.Drawing.Size(404, 336);
            this.panel1.TabIndex = 8;
            // 
            // EntityTemplatePanel
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
            this.AutoScroll = true;
            this.ClientSize = new System.Drawing.Size(424, 446);
            this.Controls.Add(this.m_btnCreateNewTemplate);
            this.Controls.Add(this.m_btnEditTemplate);
            this.Controls.Add(this.m_lblPropertySets);
            this.Controls.Add(this.m_lblSelectedTemplateHeading);
            this.Controls.Add(this.m_lblSelectedTemplate);
            this.Controls.Add(this.panel1);
            this.Controls.Add(this.m_lblDummy);
            this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
            this.Name = "EntityTemplatePanel";
            this.Text = "Template Properties";
            this.Load += new System.EventHandler(this.EntityTemplatePanel_Load);
            this.panel1.ResumeLayout(false);
            this.ResumeLayout(false);
            this.PerformLayout();

        }
		#endregion

        #region Winforms Handlers

        private void m_btnEditTemplate_Click(object sender, System.EventArgs e)
        {
            using (EditTemplateDlg dlg =
                new EditTemplateDlg(GetActiveTemplate()))
            {
                if (dlg.ShowDialog() == DialogResult.OK)
                {
                    dlg.ApplyOperations(GetActiveTemplate());
                }
            }
        }

        private void m_btnCreateNewTemplate_Click(object sender,
            System.EventArgs e)
        {
            AddNewTemplateDlg dlg = new AddNewTemplateDlg();
            dlg.SelectedPalette = FW.PaletteManager.ActivePalette;
            MEntity currentTemplate = GetActiveTemplate();
            
            if (currentTemplate != null)
            {
                dlg.Category = FW.PaletteManager.ActivePalette.
                    GetEntityCategory(currentTemplate);
            }
            else
            {

            }

            if (FW.PaletteManager.ActivePalette == null)
            {
                MPalette[] palettes = FW.PaletteManager.GetPalettes();
                foreach(MPalette palette in palettes)
                {
                    if (!palette.DontSave)
                    {
                        dlg.SelectedPalette = palette;
                        break;
                    }
                }
            }

            if (dlg.ShowDialog() == DialogResult.OK)
            {
                MEntity newEntity = 
                    MEntity.CreateGeneralEntity(dlg.TemplateName);
                newEntity.TemplateID = Guid.NewGuid();
                dlg.SelectedPalette.AddEntity(newEntity, dlg.Category,
                    true);      
                FW.PaletteManager.ActivePalette = dlg.SelectedPalette;
                FW.PaletteManager.ActivePalette.ActiveEntity = newEntity;
            }
        }

        private void EntityTemplatePanel_Load(object sender,
            System.EventArgs e)
        {
            m_fontNormal = m_lblSelectedTemplate.Font;
            m_fontBold = new Font(m_fontNormal, FontStyle.Bold);
            RefreshUI();
            FW.EventManager.PaletteActiveEntityChanged += 
                new MEventManager.__Delegate_PaletteActiveEntityChanged(
                    OnPaletteActiveEntityChanged);  
            FW.EventManager.EntityComponentAdded += 
                new MEventManager.__Delegate_EntityComponentAdded(
                    OnEntityComponentAdded);
            FW.EventManager.EntityComponentRemoved +=
                new MEventManager.__Delegate_EntityComponentRemoved(
                    OnEntityComponentRemoved);
            FW.EventManager.ComponentPropertyAdded += 
                new MEventManager.__Delegate_ComponentPropertyAdded(
                    OnComponentPropertyAdded);
            FW.EventManager.ComponentPropertyRemoved +=
                new MEventManager.__Delegate_ComponentPropertyRemoved(
                    OnComponentPropertyRemoved);
            FW.EventManager.EntityPropertyChanged +=
                new MEventManager.__Delegate_EntityPropertyChanged(
                    OnEntityPropertyChanged);
            FW.EventManager.ComponentPropertyChanged +=
                new MEventManager.__Delegate_ComponentPropertyChanged(
                    OnComponentPropertyChanged);
        }


	    #endregion

        #region UI Refresh Methods

        private void OnEntityComponentAdded(MEntity pmEntity,
            MComponent pmComponent)
        {
            if(m_gridProperties.SelectedObject == pmEntity)
            {
                RefreshUI();
            }
        }

        private void OnEntityComponentRemoved(MEntity pmEntity,
            MComponent pmComponent)
        {
            if(m_gridProperties.SelectedObject == pmEntity)
            {
                RefreshUI();
            }
        }

	    private void OnPaletteActiveEntityChanged(
            MPalette pmPalette, MEntity pmOldActiveEntity)
	    {
            RefreshUI();
	    }

        private void OnComponentPropertyAdded(
            MComponent pmComponent, string strPropertyName, bool bInBatch)
        {
            if (MFramework.Instance.PerformingLongOperation)
            {
                m_bDoRefreshUI = true;
            }
            else
            {
                RefreshUI();
            }
        }

        private void OnComponentPropertyRemoved(
            MComponent pmComponent, string strPropertyName, bool bInBatch)
        {
            if (MFramework.Instance.PerformingLongOperation)
            {
                m_bDoRefreshUI = true;
            }
            else
            {
                RefreshUI();
            }
        }

        private void OnEntityPropertyChanged(MEntity pmEntity, 
            string strPropertyName, uint uiPropertyIndex, bool bInBatch)
        {
            if(m_gridProperties.SelectedObject == pmEntity)
            {
                if (MFramework.Instance.PerformingLongOperation)
                {
                    m_bDoRefreshUI = true;
                }
                else
                {
                    RefreshUI();
                }
            }
        }

        private void OnComponentPropertyChanged(MComponent pmComponent,
            string strPropertyName, uint uiPropertyIndex, bool bInBatch)
        {
            if (MFramework.Instance.PerformingLongOperation)
            {
                m_bDoRefreshUI = true;
            }
            else
            {
                RefreshUI();
            }
        }

        private void RefreshUI()
        {
	        RefreshComponentList();
            RefreshTemplateLabel();
            
        }

        private void RefreshComponentList()
        {
            MEntity template = GetActiveTemplate();
            m_gridProperties.SelectedObject = template;
        }

        private void RefreshTemplateLabel()
        {
            m_lblSelectedTemplate.Font = m_fontNormal;
            string text = "None";
            MEntity template = GetActiveTemplate();
            m_lblSelectedTemplate.ForeColor = SystemColors.WindowText;
            if (template != null)
            {
                MPalette activePalette = FW.PaletteManager.ActivePalette;

                text = EntityPathService.GetFullPath(activePalette.Scene,
                    template);
                if (activePalette.DontSave)
                {
                    m_lblSelectedTemplate.ForeColor = 
                        PalettePanel.m_cOrphanColor;
                }
                if (activePalette.Scene.Dirty)
                {
                    m_lblSelectedTemplate.Font = m_fontBold;
                }
            }
            m_lblSelectedTemplate.Text = text;

        }

        #endregion

        #region Utility Methods

        private MEntity GetActiveTemplate()
        {
            MPalette activePalette = FW.PaletteManager.ActivePalette;
            if (activePalette != null)
            { 
                if (activePalette.ActiveEntity!=null && !activePalette.ActiveEntity.HasBeenDisposed())
                {
                    return activePalette.ActiveEntity;
                }
            }
            return null;
        }

        [UICommandHandler("Idle")]
        private void OnIdle(object sender, EventArgs args)
        {
            m_btnEditTemplate.Enabled = (GetActiveTemplate() != null);
            int paletteCount = 0;
            foreach(MPalette palette in FW.PaletteManager.GetPalettes())
            {
                if (!palette.DontSave)
                {
                    paletteCount++;
                }
            }

            m_btnCreateNewTemplate.Enabled = 
                paletteCount > 0;
        }

        #endregion

    }
}