Common_SimpleServerTask_VBNet\SimpleServerTaskWebConfigurator_VBNet.vb
' Copyright 2011 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.Web.UI.WebControls Namespace Commom_SimpleServerTask_VBNet ' Specifies the simple task's configuration interface in ArcGIS Manager Public Class SimpleServerTaskWebConfigurator_VBNet Inherits ESRI.ArcGIS.ADF.Web.UI.WebControls.CompositeControl Implements ESRI.ArcGIS.ADF.Web.UI.WebControls.IWebConfigurator, ESRI.ArcGIS.ADF.Web.UI.WebControls.IBuddyControlSupport #Region "Instance Variable Declarations" Private m_okButton As System.Web.UI.WebControls.Button = Nothing Private m_cancelButton As System.Web.UI.WebControls.Button = Nothing Private m_buttonTextBox As System.Web.UI.WebControls.TextBox = Nothing Private m_titleTextBox As System.Web.UI.WebControls.TextBox = Nothing Private m_backgroundColorPicker As ESRI.ArcGIS.ADF.Web.UI.WebControls.ColorPicker = Nothing Private m_titleColorPicker As ESRI.ArcGIS.ADF.Web.UI.WebControls.ColorPicker = Nothing Private m_additionalControls As System.Web.UI.ControlCollection = Nothing Private m_simpleTaskInstance As SimpleServerTask_VBNet = Nothing Private Event m_onWebConfigurationComplete As ESRI.ArcGIS.ADF.Web.UI.WebControls.WebConfigurationCompleteEventHandler Private Event m_onWebConfigurationCancel As ESRI.ArcGIS.ADF.Web.UI.WebControls.WebConfigurationCanceledEventHandler #End Region #Region "Constructor" Public Sub New() MyBase.New() End Sub #End Region #Region "Instance Members" #Region "Utility Methods" ' Used by the WebConfigurationComplete event to retrieve the markup that is injected into the ' page at design time. In this implementation, this event is fired by clicking the OK button ' on the configurator. Private Function getDesignTimeTag() As String ' Markup for the task's open tag, which includes the task's properties. Note that some ' hard-coded default values are included, while other values are populated dynamically ' based on the task instance's properties. Dim simpleTaskOpenTag As String = String.Format("<simpleServerTaskVB:SimpleServerTask_VBNet ID=""{0}"" " & "runat=""server"" Style=""z-index: 10000; left: 100px; position: absolute; " & "top: 100px"" Width=""200px"" Visible=""False"" ButtonText=""{1}"" Title=""{2}"" " & "ToolTip=""{3}"" NavigationPath=""{4}"" BackColor=""{5}"" TitleBarColor=""{6}"" " & "BorderStyle=""Solid"" BorderWidth=""1px"" BorderColor=""Black"">", m_simpleTaskInstance.ID, m_simpleTaskInstance.ButtonText, m_simpleTaskInstance.Title, m_simpleTaskInstance.ToolTip, m_simpleTaskInstance.NavigationPath, System.Drawing.ColorTranslator.ToHtml(m_simpleTaskInstance.BackColor), System.Drawing.ColorTranslator.ToHtml(m_simpleTaskInstance.TitleBarColor)) ' Markup for inclusion of a default task results container with an id of "TaskResults1" Dim taskResultsContainerTagStringBuilder As New System.Text.StringBuilder() taskResultsContainerTagStringBuilder.Append("<TaskResultsContainers>") taskResultsContainerTagStringBuilder.Append("<esri:BuddyControl Name=""TaskResults1"" />") taskResultsContainerTagStringBuilder.Append("</TaskResultsContainers>") ' Simple task close tag Dim simpleTaskCloseTag As String = "</simpleServerTaskVB:SimpleServerTask_VBNet>" ' A string builder is used to concatenate the simple task open tag, task results container ' tag, and the simple task close tag Dim completeTagStringBuilder As New System.Text.StringBuilder() completeTagStringBuilder.Append(simpleTaskOpenTag) completeTagStringBuilder.Append(taskResultsContainerTagStringBuilder.ToString()) completeTagStringBuilder.Append(simpleTaskCloseTag) Return completeTagStringBuilder.ToString() End Function ' Copies properties from the task instance to the appropriate configurator web controls. Called ' when the web configurator interface is loaded. Private Sub loadProperties() If m_simpleTaskInstance Is Nothing Then Return End If m_titleTextBox.Text = m_simpleTaskInstance.Title m_buttonTextBox.Text = m_simpleTaskInstance.ButtonText m_backgroundColorPicker.ChosenColor = m_simpleTaskInstance.BackColor m_titleColorPicker.ChosenColor = m_simpleTaskInstance.TitleBarColor End Sub #End Region #Region "UI Events" ' Invokes WebConfigurationCanceled event when the cancel button is clicked Private Sub cancelButton_Click(ByVal sender As Object, ByVal e As System.EventArgs) OnWebConfigurationCancel(New System.EventArgs()) End Sub ' Saves user-specified properties to the task instance Private Sub okButton_Click(ByVal sender As Object, ByVal e As System.EventArgs) If m_simpleTaskInstance Is Nothing Then Return End If m_simpleTaskInstance.Title = m_titleTextBox.Text m_simpleTaskInstance.ButtonText = m_buttonTextBox.Text m_simpleTaskInstance.BackColor = m_backgroundColorPicker.ChosenColor m_simpleTaskInstance.TitleBarColor = m_titleColorPicker.ChosenColor OnWebConfigurationComplete(New ESRI.ArcGIS.ADF.Web.UI.WebControls.WebConfigurationCompleteEventArgs(m_simpleTaskInstance, getDesignTimeTag())) End Sub #End Region #Region "Overridable Configurator Events" ' Overridable wrapper for the WebConfigurationComplete event Protected Overridable Sub OnWebConfigurationComplete(ByVal args As ESRI.ArcGIS.ADF.Web.UI.WebControls.WebConfigurationCompleteEventArgs) RaiseEvent m_onWebConfigurationComplete(Me, args) End Sub ' Overridable wrapper for the WebConfigurationCancel event Protected Overridable Sub OnWebConfigurationCancel(ByVal args As System.EventArgs) RaiseEvent m_onWebConfigurationCancel(Me, args) End Sub #End Region #End Region #Region "WebControl Members" #Region "WebControl Life Cycle Event Overrides" ' Configures the web configurator's interface Protected Overrides Sub CreateChildControls() Controls.Clear() ' Create a table to hold the controls that will appear on the interface Dim taskConfiguratorTable As New Table() taskConfiguratorTable.Style(System.Web.UI.HtmlTextWriterStyle.Position) = "relative" Controls.Add(taskConfiguratorTable) ' Initialize the title label Dim titleTextLabel As New Label() titleTextLabel.ID = "lblTitle" titleTextLabel.Text = "Title:" ' Add the title label to a table cell Dim taskConfiguratorCell As New TableCell() taskConfiguratorCell.Controls.Add(titleTextLabel) ' Add the table cell to a table row Dim taskConfiguratorRow As New TableRow() taskConfiguratorRow.Controls.Add(taskConfiguratorCell) ' Initialize the title textbox m_titleTextBox = New TextBox() m_titleTextBox.ID = "txtTitle" ' Add the title textbox to a table cell and the table cell to a table row taskConfiguratorCell = New TableCell() taskConfiguratorCell.Controls.Add(m_titleTextBox) taskConfiguratorRow.Controls.Add(taskConfiguratorCell) ' Add the row containing the title label and textbox to the table taskConfiguratorTable.Controls.Add(taskConfiguratorRow) ' Initialize the button text label Dim buttonTextLabel As New Label() buttonTextLabel.ID = "lblButtonText" buttonTextLabel.Text = "Button Text:" buttonTextLabel.Style(System.Web.UI.HtmlTextWriterStyle.WhiteSpace) = "nowrap" ' Add the button text label to a table cell and the table cell to a table row taskConfiguratorCell = New TableCell() taskConfiguratorCell.Controls.Add(buttonTextLabel) taskConfiguratorRow = New TableRow() taskConfiguratorRow.Controls.Add(taskConfiguratorCell) ' Initialize the button text textbox m_buttonTextBox = New TextBox() m_buttonTextBox.Text = "Execute" m_buttonTextBox.ID = "txtButton" ' Add the button text textbox to a table cell and the cell to a table row taskConfiguratorCell = New TableCell() taskConfiguratorCell.Controls.Add(m_buttonTextBox) taskConfiguratorRow.Controls.Add(taskConfiguratorCell) ' Add the row containing the button text label and textbox to the table taskConfiguratorTable.Controls.Add(taskConfiguratorRow) ' Initialize the title bar color picker m_titleColorPicker = New ESRI.ArcGIS.ADF.Web.UI.WebControls.ColorPicker() m_titleColorPicker.ID = "clrPkrTitle" m_titleColorPicker.Font.Name = "Verdana" m_titleColorPicker.Font.Size = New FontUnit(New Unit(8, UnitType.Point)) m_titleColorPicker.BackColor = System.Drawing.Color.White m_titleColorPicker.DropDownBorderColor = System.Drawing.Color.Silver m_titleColorPicker.DropDownBorderStyle = BorderStyle.Solid m_titleColorPicker.DropDownBorderWidth = New Unit(1, UnitType.Pixel) m_titleColorPicker.ChosenColor = System.Drawing.Color.White m_titleColorPicker.ShowColorNames = False m_titleColorPicker.DisplayText = "Title Bar Color:" ' Add the title color picker to the web configurator's control's collection. Note that, ' for formatting purposes, we do not add the color picker to the table Controls.Add(m_titleColorPicker) ' Initialize the background color picker and add it to the web configurator's controls m_backgroundColorPicker = New ESRI.ArcGIS.ADF.Web.UI.WebControls.ColorPicker() m_backgroundColorPicker.ID = "clrPkrBackground" m_backgroundColorPicker.Font.Name = "Verdana" m_backgroundColorPicker.Font.Size = New FontUnit(New Unit(8, UnitType.Point)) m_backgroundColorPicker.BackColor = System.Drawing.Color.White m_backgroundColorPicker.DropDownBorderColor = System.Drawing.Color.Silver m_backgroundColorPicker.DropDownBorderStyle = BorderStyle.Solid m_backgroundColorPicker.DropDownBorderWidth = New Unit(1, UnitType.Pixel) m_backgroundColorPicker.ChosenColor = System.Drawing.Color.White m_backgroundColorPicker.ShowColorNames = False m_backgroundColorPicker.DisplayText = "Background Color:" Controls.Add(m_backgroundColorPicker) ' Initialize the OK button m_okButton = New Button() m_okButton.ID = "btnOK" m_okButton.Text = "OK" AddHandler m_okButton.Click, AddressOf okButton_Click ' Add the OK button to a table cell and the cell to a table row taskConfiguratorCell = New TableCell() taskConfiguratorCell.Controls.Add(m_okButton) taskConfiguratorCell.Style(System.Web.UI.HtmlTextWriterStyle.Width) = "50%" taskConfiguratorRow = New TableRow() taskConfiguratorRow.Controls.Add(taskConfiguratorCell) ' Initialize the cancel button m_cancelButton = New Button() m_cancelButton.ID = "btnCancel" m_cancelButton.Text = "Cancel" AddHandler m_cancelButton.Click, AddressOf cancelButton_Click ' Add the cancel button to a table cell and the cell to a table row taskConfiguratorCell = New TableCell() taskConfiguratorCell.Controls.Add(m_cancelButton) taskConfiguratorCell.Style(System.Web.UI.HtmlTextWriterStyle.Width) = "50%" taskConfiguratorRow.Controls.Add(taskConfiguratorCell) ' Create a new table to hold the OK and cancel buttons taskConfiguratorTable = New Table() taskConfiguratorTable.Style(System.Web.UI.HtmlTextWriterStyle.Width) = "100%" taskConfiguratorTable.Style(System.Web.UI.HtmlTextWriterStyle.TextAlign) = "center" ' Add the row containing the OK and cancel buttons to the new table taskConfiguratorTable.Controls.Add(taskConfiguratorRow) ' Add the table to the web configurator's controls Controls.Add(taskConfiguratorTable) End Sub Protected Overrides Sub OnPreRender(ByVal e As System.EventArgs) MyBase.OnPreRender(e) ' Make sure the configurator is not rendering asynchronously If (Not MyBase.IsAsync) Then ' load the current properties of the simple task loadProperties() End If End Sub #End Region #Region "WebControl Method Overrides" Public Overrides Sub Refresh() ' load the current properties of the simple server task loadProperties() MyBase.Refresh() End Sub #End Region #Region "WebControl Property Overrides" ' Specify the task's tag as a div Protected Overrides ReadOnly Property TagKey() As System.Web.UI.HtmlTextWriterTag Get Return System.Web.UI.HtmlTextWriterTag.Div End Get End Property #End Region #End Region #Region "IWebConfigurator Members" #Region "IWebConfigurator Properties" ' Controls aside from the task and page that may be used by the configurator Public Property AdditionalControls() As System.Web.UI.ControlCollection Implements ESRI.ArcGIS.ADF.Web.UI.WebControls.IWebConfigurator.AdditionalControls Get Return m_additionalControls End Get Set(ByVal value As System.Web.UI.ControlCollection) m_additionalControls = value End Set End Property ' Task instance that the configurator will configure Public Property ControlToConfigure() As System.Web.UI.Control Implements ESRI.ArcGIS.ADF.Web.UI.WebControls.IWebConfigurator.ControlToConfigure Get Return m_simpleTaskInstance End Get Set(ByVal value As System.Web.UI.Control) If Not (TypeOf value Is SimpleServerTask_VBNet) Then Throw New System.ArgumentException() End If m_simpleTaskInstance = TryCast(value, SimpleServerTask_VBNet) End Set End Property #End Region #Region "IWebConfigurator Methods" ' Ensures the resources needed contain the necessary information or functionality. No resources ' are used by this task, so the implementation here is trivial. Public Function ValidateResources(<System.Runtime.InteropServices.Out()> ByRef message As String) As Boolean Implements ESRI.ArcGIS.ADF.Web.UI.WebControls.IWebConfigurator.ValidateResources message = Nothing Return True End Function #End Region #Region "IWebConfigurator Events" ' Associates the internal WebConfigurationComplete event handler instance with the public ' event Public Custom Event WebConfigurationCompleted As ESRI.ArcGIS.ADF.Web.UI.WebControls.WebConfigurationCompleteEventHandler Implements ESRI.ArcGIS.ADF.Web.UI.WebControls.IWebConfigurator.WebConfigurationCompleted AddHandler(ByVal value As ESRI.ArcGIS.ADF.Web.UI.WebControls.WebConfigurationCompleteEventHandler) AddHandler m_onWebConfigurationComplete, value End AddHandler RemoveHandler(ByVal value As ESRI.ArcGIS.ADF.Web.UI.WebControls.WebConfigurationCompleteEventHandler) RemoveHandler m_onWebConfigurationComplete, value End RemoveHandler RaiseEvent(ByVal sender As System.Object, ByVal args As ESRI.ArcGIS.ADF.Web.UI.WebControls.WebConfigurationCompleteEventArgs) End RaiseEvent End Event ' Associates the internal WebConfigurationCanceled event handler instance with the public ' event Public Custom Event WebConfigurationCanceled As ESRI.ArcGIS.ADF.Web.UI.WebControls.WebConfigurationCanceledEventHandler Implements ESRI.ArcGIS.ADF.Web.UI.WebControls.IWebConfigurator.WebConfigurationCanceled AddHandler(ByVal value As ESRI.ArcGIS.ADF.Web.UI.WebControls.WebConfigurationCanceledEventHandler) AddHandler m_onWebConfigurationCancel, value End AddHandler RemoveHandler(ByVal value As ESRI.ArcGIS.ADF.Web.UI.WebControls.WebConfigurationCanceledEventHandler) RemoveHandler m_onWebConfigurationCancel, value End RemoveHandler RaiseEvent(ByVal sender As System.Object, ByVal args As System.EventArgs) End RaiseEvent End Event #End Region #End Region #Region "IBuddyControlSupport Members" ' Determines what types of controls the control configured by the configurator can be ' buddied with. Here, no types other than the simple task can be buddied with, so the ' implementation is trivial. Public Function GetSupportedBuddyControlTypes() As System.Type() Implements ESRI.ArcGIS.ADF.Web.UI.WebControls.IBuddyControlSupport.GetSupportedBuddyControlTypes Dim types(0) As System.Type types(0) = GetType(SimpleServerTask_VBNet) Return types End Function #End Region End Class End Namespace