// 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.
// 

public class MapTipsLayerMenu : ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.IMapServerDropDownBoxAction
{
    #region IServerAction Members

    void ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.IServerAction.ServerAction(ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.ToolbarItemInfo toolbarItemInfo)
    {
        // Get the Web ADF Map
        ESRI.ArcGIS.ADF.Web.UI.WebControls.Map adfMap = toolbarItemInfo.BuddyControls[0] as ESRI.ArcGIS.ADF.Web.UI.WebControls.Map;
        
        // Get the DropDownBox containing the layer names
        ESRI.ArcGIS.ADF.Web.UI.WebControls.DropDownBox dropDownBox = toolbarItemInfo.Toolbar.ToolbarItems.Find("DropDownBox0") as
            ESRI.ArcGIS.ADF.Web.UI.WebControls.DropDownBox;

        // Get the MapTips control that will be used to show MapTips on the selected layer        
        ESRI.ArcGIS.ADF.Web.UI.WebControls.MapTips mapTips = ESRI.ArcGIS.ADF.Web.UI.WebControls.Utility.FindControl("MapTips1", 
            adfMap.Page) as ESRI.ArcGIS.ADF.Web.UI.WebControls.MapTips;

        // Get the selected layer name
        string layerName = dropDownBox.SelectedItem.Text;
        if (layerName == "- Select MapTips Layer -")
            return;

        // Get the ID of the selected layer and the name of the resource item containing that layer
        string[] resourceNameAndLayerID = dropDownBox.SelectedItem.Value.Split(':');

        // Update the MapTips Layer property
        mapTips.Layer = string.Format("{0}::{1}::{2}", adfMap.MapResourceManager, resourceNameAndLayerID[0], layerName);

        // Retrieve the layer format of the selected layer and apply it to the MapTips control
        ESRI.ArcGIS.ADF.Web.UI.WebControls.LayerFormat layerFormat =
            ESRI.ArcGIS.ADF.Web.UI.WebControls.LayerFormat.FromMapResourceManager(adfMap.MapResourceManagerInstance,
            resourceNameAndLayerID[0], resourceNameAndLayerID[1]);

    #region Only necessary for 9.3 final 
        ESRI.ArcGIS.ADF.Web.UI.WebControls.MapResourceItem mapResourceItem =
                adfMap.MapResourceManagerInstance.ResourceItems.Find(mapTips.ResourceName);

        System.Collections.Generic.Dictionary<string, ESRI.ArcGIS.ADF.Web.UI.WebControls.LayerFormat> layerFormatDictionary =
            new System.Collections.Generic.Dictionary<string, ESRI.ArcGIS.ADF.Web.UI.WebControls.LayerFormat>();

        // Iterate through the resource's layer definitions and add each one's ID and LayerFormat to the
        // dictionary
        foreach (ESRI.ArcGIS.ADF.Web.UI.WebControls.LayerDefinition layerDefinition in mapResourceItem.LayerDefinitions)
            layerFormatDictionary.Add(layerDefinition.ID, layerDefinition.LayerFormat);

        // Set the resource's layer definitions to null to force full re-initialization
        mapResourceItem.LayerDefinitions = null;

        // Since the re-initialization will revert the layers to their default LayerFormats, explicitly
        // re-apply the stored LayerFormats
        foreach (string layerID in layerFormatDictionary.Keys)
            mapResourceItem.LayerDefinitions[layerID].LayerFormat = layerFormatDictionary[layerID];
    #endregion

        mapTips.LayerFormat = layerFormat;

        // Refresh the MapTips and the resource on which MapTips are to be shown to apply the changes
        mapTips.RefreshMapTips();
        adfMap.RefreshResource(mapTips.ResourceName);  
    }

    #endregion
}