// Copyright 2010 ESRI
// 
// All rights reserved under the copyright laws of the United States
// and applicable international laws, treaties, and conventions.
// 
// You may freely redistribute and use this sample code, with or
// without modification, provided you include the original copyright
// notice and use restrictions.
// 
// See the use restrictions.
// 

namespace CustomEditorTask_CSharp
{
    public class CustomEditor : ESRI.ArcGIS.ADF.ArcGISServer.Editor.Editor
    {
        #region Constructor

        public CustomEditor(CustomEditorTask customEditorTask) : base(customEditorTask)
        {
            // Add handler to edtior's LayerChanged event to update the editor's current layer definition
            this.LayerChanged += new LayerChangedHandler(CustomEditor_LayerChanged);
        }
        
        #endregion

        #region Event Handling

        void CustomEditor_LayerChanged(ESRI.ArcGIS.Carto.IFeatureLayer featureLayer)
        {
            // Update the CurrentLayerDefinition in state
            StateManager.SetProperty("CurrentLayerDefinition", 
                CustomUtilities.GetLayerDefinition(this));
        }

        #endregion

        #region WebControl Life Cycle Event Overrides

        protected override void OnPreRender(System.EventArgs e)
        {
            base.OnPreRender(e);

            if (MapResource != null &&
                !Page.ClientScript.IsClientScriptBlockRegistered("display_editorSnapTip.js"))
            {
                // Register stylesheet for snap tip style.  Editor base class registers the explicit base 
                // class type when including stylesheet.  As a result, classes that derive from the Editor 
                // must explicitly include stylesheet, if needed.
                string includeTemplate = "<link rel='stylesheet' text='text/css' href='{0}' />";
                string scriptLocation = Page.ClientScript.GetWebResourceUrl(typeof(CustomEditorTask),
                    "CustomEditorTask_CSharp.styles.editorStyles.css");
                System.Web.UI.LiteralControl include = new System.Web.UI.LiteralControl(System.String.Format(
                    includeTemplate, scriptLocation));
                ((System.Web.UI.HtmlControls.HtmlHead)Page.Header).Controls.Add(include);
            }
        }

        #endregion

        #region EditorTask Panel Creation Overrides

        //add select by attributes panel to panels collection
        protected override 
            System.Collections.Generic.List<ESRI.ArcGIS.ADF.ArcGISServer.Editor.EditorPanel> CreateEditorPanels()
        {
            // Get a reference to the default panel collection
            System.Collections.Generic.List<ESRI.ArcGIS.ADF.ArcGISServer.Editor.EditorPanel> editorPanelList = 
                base.CreateEditorPanels();

            // Instantiate a SearchAttributesPanel for use by the editor
            ESRI.ArcGIS.ADF.ArcGISServer.Editor.EditorPanel searchAttributesPanel =
                new SearchAttributesPanel(this.EditorTask);

            // Add the SearchAttributesPanel to the panels collection 
            editorPanelList.Add(searchAttributesPanel);

            // Uncomment the following sections to add a QueryBuilderPanel and/or a SimpleQueryPanel
            // to the CustomEditorTask

            //// Create a SimpleQueryPanel instance for use by the editor
            //ESRI.ArcGIS.ADF.ArcGISServer.Editor.EditorPanel simpleQueryPanel =
            //    new SimpleQueryPanel(this.EditorTask);

            //// Add the SimpleQueryPanel to the panels collection
            //editorPanelList.Add(simpleQueryPanel);

            //// Create an instance of the QueryBuilderPanel for the editor
            //ESRI.ArcGIS.ADF.ArcGISServer.Editor.EditorPanel queryBuilderPanel =
            //    new QueryBuilderPanel(this.EditorTask);

            //// Add the QueryBuilderPanel to the panels collection
            //editorPanelList.Add(queryBuilderPanel);

            return editorPanelList;
        }

        // Override to create and return the custom EditExistingFeaturePanel
        protected override ESRI.ArcGIS.ADF.ArcGISServer.Editor.EditorPanel CreateEditExistingFeaturePanel(
            ESRI.ArcGIS.ADF.ArcGISServer.Editor.EditorTask editorTask)
        {
            return new CustomEditExistingFeaturePanel(editorTask);
        }

        protected override ESRI.ArcGIS.ADF.ArcGISServer.Editor.EditorPanel CreateEditAttributesPanel(
            ESRI.ArcGIS.ADF.ArcGISServer.Editor.EditorTask editorTask)
        {
            return new CustomEditAttributesPanel(editorTask);
        }

        #endregion

        #region Instance Properties

        // LayerDefinition object for currently selected layer
        public ESRI.ArcGIS.ADF.Web.UI.WebControls.LayerDefinition CurrentLayerDefinition
        {
            get
            {
                // Get the current layer definition from state
                ESRI.ArcGIS.ADF.Web.UI.WebControls.LayerDefinition layerDefinition =
                    StateManager.GetProperty("CurrentLayerDefinition") as
                    ESRI.ArcGIS.ADF.Web.UI.WebControls.LayerDefinition;

                // If no layer definition is in state, execute method to retrieve it
                if (layerDefinition == null)
                {
                    layerDefinition = CustomUtilities.GetLayerDefinition(this);
                }
                return (layerDefinition);
            }
        }

        // ID of currently selected polyline layer in resource being edited
        internal int PolylineLayerID
        {
            get
            {
                object obj = Page.Session["PolylineLayerID"];
                return obj == null ? -1 : (int)obj;
            }

            set
            {
                Page.Session["PolylineLayerID"] = value;
            }
        }

        #endregion
    }
}