' 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.
' 

Imports Microsoft.VisualBasic
Imports System
Imports System.Collections.Generic
Imports System.ComponentModel
Imports System.Data
Imports System.Drawing
Imports System.Text
Imports System.Windows.Forms
Imports ESRI.ArcGIS.Controls
Imports ESRI.ArcGIS.Carto
Imports ESRI.ArcGIS.Display
Imports ESRI.ArcGIS.esriSystem
Imports ESRI.ArcGIS.SystemUI

  Public Partial Class CacheManagerDlg : Inherits Form : Implements IDisposable
  #Region "dialog class members"
  Public Structure LayerCacheInfo
    Public name As String
    Public folderName As String
    Public folderPath As String
    Public format As String
    Public alwaysDrawCoarsestLevel As Boolean
    Public strictOnDemand As Boolean
    Public progressiveDrawingLevels As Integer
    Public progressiveFetchingLevels As Integer
    Public detailsThreshold As Double
    Public maxCacheScale As Double

    ' override ToString method in order to show only the layer name in the combo itself
    Public Overrides Function ToString() As String
      Return name
    End Function
  End Structure

  Private m_hookHelper As IHookHelper = Nothing
  Private m_layerCacheInfos As Dictionary(Of String, LayerCacheInfo) = New Dictionary(Of String, LayerCacheInfo)()
  #End Region

  #Region "dialog constructor"
  Public Sub New(ByVal hookHelper As IHookHelper)
    m_hookHelper = hookHelper

    InitializeComponent()
  End Sub
  #End Region

  #Region "private methods"

  Private Sub CacheManagerDlg_Load(ByVal sender As Object, ByVal e As EventArgs) Handles MyBase.Load
    InitializeForm()
  End Sub

  Private Sub cboLayerNames_SelectedIndexChanged(ByVal sender As Object, ByVal e As EventArgs) Handles cboLayerNames.SelectedIndexChanged
    ' get the layers from the map
    If m_hookHelper.FocusMap.LayerCount = 0 Then
      Return
    End If

    Dim map As IMap = m_hookHelper.FocusMap

    Dim dynamicCacheLayerManager As IDynamicCacheLayerManager = New DynamicCacheLayerManagerClass()

    ' get all of the non-dynamic layers
    Dim layer As ILayer
    Dim i As Integer = 0
    Do While i < map.LayerCount
      layer = map.Layer(i)
      If TypeOf layer Is IDynamicLayer Then
        Continue Do
      End If

      dynamicCacheLayerManager.Init(map, layer)
      Dim layerInfo As LayerCacheInfo = CType(cboLayerNames.SelectedItem, LayerCacheInfo)
      If dynamicCacheLayerManager.FolderName = layerInfo.folderName Then
        ' populate the form
        lblCacheFolderName.Text = dynamicCacheLayerManager.FolderName
        lblCacheFolderPath.Text = dynamicCacheLayerManager.FolderPath
        If dynamicCacheLayerManager.Format.ToUpper().IndexOf("PNG") > -1 Then
          rdoPNG.Checked = True
        Else
          rdoJPEG.Checked = True
        End If

        chkAlwaysDrawCoarsestLevel.Checked = dynamicCacheLayerManager.AlwaysDrawCoarsestLevel
        numDetaildThreshold.Value = Convert.ToDecimal(dynamicCacheLayerManager.DetailsThreshold)
        chkStrictOnDemandMode.Checked = dynamicCacheLayerManager.StrictOnDemandMode
        numProgressiveDrawingLevels.Value = dynamicCacheLayerManager.ProgressiveDrawingLevels
        numProgressiveFetchingLevels.Value = dynamicCacheLayerManager.ProgressiveFetchingLevels
        numMaxCacheScale.Value = Convert.ToDecimal(dynamicCacheLayerManager.MaxCacheScale)
        Return
      End If
      i += 1
    Loop
  End Sub

  Private Sub btnFolderPath_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btnFolderPath.Click
    Dim dlg As FolderBrowserDialog = New FolderBrowserDialog()
    dlg.ShowNewFolderButton = True
    dlg.Description = "Cache Folder"

    If cboLayerNames.SelectedIndex <> -1 Then
      Dim layerInfo As LayerCacheInfo = CType(cboLayerNames.SelectedItem, LayerCacheInfo)
      dlg.SelectedPath = layerInfo.folderPath
    End If

    If System.Windows.Forms.DialogResult.OK = dlg.ShowDialog() Then
      If System.IO.Directory.Exists(dlg.SelectedPath) Then
        lblCacheFolderPath.Text = dlg.SelectedPath
      End If
    End If
  End Sub

  Private Sub btnRestoreDefaults_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btnRestoreDefaults.Click
    ' get the selected item
    If cboLayerNames.SelectedIndex = -1 Then
      Return
    End If

    Dim layerInfo As LayerCacheInfo = CType(cboLayerNames.SelectedItem, LayerCacheInfo)
    If m_layerCacheInfos.ContainsKey(layerInfo.folderName) Then
      layerInfo = m_layerCacheInfos(layerInfo.folderName)
      ' populate the form
      lblCacheFolderName.Text = layerInfo.folderName
      lblCacheFolderPath.Text = layerInfo.folderPath
      If layerInfo.format.ToUpper().IndexOf("PNG") > -1 Then
        rdoPNG.Checked = True
      Else
        rdoJPEG.Checked = True
      End If

      chkAlwaysDrawCoarsestLevel.Checked = layerInfo.alwaysDrawCoarsestLevel
      chkStrictOnDemandMode.Checked = layerInfo.strictOnDemand
      numDetaildThreshold.Value = Convert.ToDecimal(layerInfo.detailsThreshold)
      numProgressiveDrawingLevels.Value = layerInfo.progressiveDrawingLevels
      numProgressiveFetchingLevels.Value = layerInfo.progressiveFetchingLevels
      numMaxCacheScale.Value = Convert.ToDecimal(layerInfo.maxCacheScale)
    End If


  End Sub

  Private Sub btnDismiss_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btnDismiss.Click
    Close()
  End Sub

  Private Sub btnApply_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btnApply.Click
    UpdateLayer()
  End Sub

  Private Sub btnOK_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btnOK.Click
    UpdateLayer()
    Close()
  End Sub

  Private Sub GetCacheDefaultsProps()
    m_layerCacheInfos.Clear()

    If m_hookHelper.FocusMap.LayerCount = 0 Then
      Return
    End If

    Dim map As IMap = m_hookHelper.FocusMap

    Dim dynamicCacheLayerManager As IDynamicCacheLayerManager = New DynamicCacheLayerManagerClass()

    ' get all of the non-dynamic layers
    Dim layer As ILayer
    Dim i As Integer = 0
    Do While i < map.LayerCount
      layer = map.Layer(i)
      If TypeOf layer Is IDynamicLayer Then
        Continue Do
      End If

      dynamicCacheLayerManager.Init(map, layer)
      Dim layerCacheInfo As LayerCacheInfo
      layerCacheInfo.name = layer.Name
      layerCacheInfo.folderName = dynamicCacheLayerManager.FolderName
      layerCacheInfo.folderPath = dynamicCacheLayerManager.FolderPath
      layerCacheInfo.format = dynamicCacheLayerManager.Format
      layerCacheInfo.detailsThreshold = dynamicCacheLayerManager.DetailsThreshold
      layerCacheInfo.alwaysDrawCoarsestLevel = dynamicCacheLayerManager.AlwaysDrawCoarsestLevel
      layerCacheInfo.progressiveDrawingLevels = dynamicCacheLayerManager.ProgressiveDrawingLevels
      layerCacheInfo.progressiveFetchingLevels = dynamicCacheLayerManager.ProgressiveFetchingLevels
      layerCacheInfo.strictOnDemand = dynamicCacheLayerManager.StrictOnDemandMode
      layerCacheInfo.maxCacheScale = dynamicCacheLayerManager.MaxCacheScale

      m_layerCacheInfos.Add(layerCacheInfo.folderName, layerCacheInfo)
      i += 1
    Loop
  End Sub

  Private Sub InitializeForm()
    GetCacheDefaultsProps()

    If m_layerCacheInfos.Count = 0 Then
      ' clear the form
      cboLayerNames.Items.Clear()
      cboLayerNames.SelectedIndex = -1

      lblCacheFolderPath.Text = String.Empty
      btnFolderPath.Enabled = False
      numProgressiveDrawingLevels.Value = 0
      numProgressiveFetchingLevels.Value = 0
      numMaxCacheScale.Value = 0

      groupDrawingProps.Enabled = False
      btnOK.Enabled = False
      btnApply.Enabled = False

      Return
    End If

    groupDrawingProps.Enabled = True
    btnFolderPath.Enabled = True
    btnOK.Enabled = True
    btnApply.Enabled = True

    Dim selectedLayerName As String = String.Empty
    Dim layerInfo As LayerCacheInfo
    layerInfo.name = String.Empty
    layerInfo.folderPath = String.Empty
    layerInfo.folderName = String.Empty
    layerInfo.format = String.Empty
    layerInfo.alwaysDrawCoarsestLevel = False
    layerInfo.detailsThreshold = 0
    layerInfo.strictOnDemand = False
    layerInfo.progressiveDrawingLevels = 0
    layerInfo.progressiveFetchingLevels = 0
    layerInfo.maxCacheScale = 0

    Dim selectedIndex As Integer = cboLayerNames.SelectedIndex
    If selectedIndex <> -1 Then
      selectedLayerName = (CType(cboLayerNames.SelectedItem, LayerCacheInfo)).folderName
      If m_layerCacheInfos.ContainsKey(selectedLayerName) Then
        layerInfo = m_layerCacheInfos(selectedLayerName)
      End If
    End If

    ' populate the combo
    cboLayerNames.Items.Clear()
    Dim index As Integer = 0
    Dim bFirst As Boolean = True
    For Each layerCacheInfoPair As KeyValuePair(Of String, LayerCacheInfo) In m_layerCacheInfos
      cboLayerNames.Items.Add(layerCacheInfoPair.Value)

      If bFirst AndAlso layerInfo.name = String.Empty Then
        layerInfo = layerCacheInfoPair.Value
        cboLayerNames.SelectedIndex = 0
        bFirst = False
      End If

      If selectedLayerName = layerCacheInfoPair.Key Then
        ' make it the selected item
        cboLayerNames.SelectedIndex = index
      End If
      index += 1
    Next layerCacheInfoPair

    ' populate the form
    lblCacheFolderName.Text = layerInfo.folderName
    lblCacheFolderPath.Text = layerInfo.folderPath
    If layerInfo.format.ToUpper().IndexOf("PNG") > -1 Then
      rdoPNG.Checked = True
    Else
      rdoJPEG.Checked = True
    End If

    chkAlwaysDrawCoarsestLevel.Checked = layerInfo.alwaysDrawCoarsestLevel
    chkStrictOnDemandMode.Checked = layerInfo.strictOnDemand
    numDetaildThreshold.Value = Convert.ToDecimal(layerInfo.detailsThreshold)
    numProgressiveDrawingLevels.Value = layerInfo.progressiveDrawingLevels
    numProgressiveFetchingLevels.Value = layerInfo.progressiveFetchingLevels
    numMaxCacheScale.Value = Convert.ToDecimal(layerInfo.maxCacheScale)
  End Sub

  Private Sub UpdateLayer()
    ' get the selected layer from the map
    If m_hookHelper.FocusMap.LayerCount = 0 Then
      Return
    End If

    If cboLayerNames.SelectedIndex = -1 Then
      Return
    End If

    Dim map As IMap = m_hookHelper.FocusMap

    Dim dynamicCacheLayerManager As IDynamicCacheLayerManager = New DynamicCacheLayerManagerClass()

    ' get all of the non-dynamic layers
    Dim layer As ILayer
    Dim i As Integer = 0
    Do While i < map.LayerCount
      layer = map.Layer(i)
    If TypeOf layer Is IDynamicLayer Then
      Continue Do
    End If

    dynamicCacheLayerManager.Init(map, layer)
    Dim layerInfo As LayerCacheInfo = CType(cboLayerNames.SelectedItem, LayerCacheInfo)
    If dynamicCacheLayerManager.FolderName = layerInfo.folderName Then
      dynamicCacheLayerManager.FolderPath = lblCacheFolderPath.Text
      If rdoPNG.Checked Then
        dynamicCacheLayerManager.Format = ("PNG32")
      Else
        dynamicCacheLayerManager.Format = ("JPEG32")
      End If
      dynamicCacheLayerManager.StrictOnDemandMode = chkStrictOnDemandMode.Checked
      dynamicCacheLayerManager.AlwaysDrawCoarsestLevel = chkAlwaysDrawCoarsestLevel.Checked
      dynamicCacheLayerManager.DetailsThreshold = Convert.ToDouble(numDetaildThreshold.Value)
      dynamicCacheLayerManager.ProgressiveDrawingLevels = Convert.ToInt32(numProgressiveDrawingLevels.Value)
      dynamicCacheLayerManager.ProgressiveFetchingLevels = Convert.ToInt32(numProgressiveFetchingLevels.Value)
      dynamicCacheLayerManager.MaxCacheScale = Convert.ToDouble(numMaxCacheScale.Value)
    End If
      i += 1
    Loop
  End Sub

  #End Region
  End Class