EntityDataSourceDataSelectionPanel.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataWebControlsDesign / System / Data / WebControls / Design / EntityDataSourceDataSelectionPanel.cs / 1305376 / EntityDataSourceDataSelectionPanel.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner       [....]
// @backupOwner [....] 
//----------------------------------------------------------------------------- 

using System.Collections.Generic; 
using System.Web.UI.Design.WebControls.Util;
using System.Diagnostics;
using System.Drawing;
using System.Windows.Forms; 

namespace System.Web.UI.Design.WebControls 
{ 
    internal partial class EntityDataSourceDataSelectionPanel : WizardPanel
    { 
        private EntityDataSourceDataSelection _dataSelection;
        private bool _ignoreEvents; // used when a control is set by the wizard, tells the event handlers to do nothing

        public EntityDataSourceDataSelectionPanel() 
        {
            InitializeComponent(); 
            InitializeUI(); 
            InitializeTabIndexes();
        } 

        #region General Initialization
        public void Register(EntityDataSourceDataSelection dataSelection)
        { 
            _dataSelection = dataSelection;
        } 
        #endregion 

        #region Control Initialization 
        private void InitializeSizes()
        {
            int top = 0;
 
            _entitySetLabel.Location = new Point(9, top + 8);
            _entitySetLabel.Size = new Size(80, 13); 
            top = _entitySetLabel.Bottom; 

            _entitySetComboBox.Location = new Point(12, top + 3); 
            _entitySetComboBox.Size = new Size(502, 21);
            top = _entitySetComboBox.Bottom;

            _entityTypeFilterLabel.Location = new Point(9, top + 6); 
            _entityTypeFilterLabel.Size = new Size(118, 13);
            top = _entityTypeFilterLabel.Bottom; 
 
            _entityTypeFilterComboBox.Location = new System.Drawing.Point(12, top + 3);
            _entityTypeFilterComboBox.Size = new System.Drawing.Size(502, 21); 
            top = _entityTypeFilterComboBox.Bottom;

            _selectLabel.Location = new Point(9, top + 6);
            _selectLabel.Size = new Size(40, 13); 
            top = _selectLabel.Bottom;
 
            _selectAdvancedTextBox.Location = new Point(12, top + 3); 
            _selectAdvancedTextBox.Multiline = true; // set this here so the size will be set properly
            _selectAdvancedTextBox.Size = new Size(502, 137); 
             // don't need to set top here because the next control has the same location and size

            _selectSimpleCheckedListBox.Location = _selectAdvancedTextBox.Location;
            _selectSimpleCheckedListBox.Size = _selectAdvancedTextBox.Size; 
            _selectSimpleCheckedListBox.ColumnWidth = 225;
            top = _selectSimpleCheckedListBox.Bottom; 
 
            _insertUpdateDeletePanel.Location = new Point(12, top + 3);
            _insertUpdateDeletePanel.Size = new Size(502, 69); 
            top = 0; // position of rest of controls are relative to this panel

            _enableInsertCheckBox.Location = new Point(3, top + 3);
            _enableInsertCheckBox.Size = new Size(141, 17); 
            top = _enableInsertCheckBox.Bottom;
 
            _enableUpdateCheckBox.Location = new Point(3, top + 6); 
            _enableUpdateCheckBox.Size = new Size(149, 17);
            top = _enableUpdateCheckBox.Bottom; 

            _enableDeleteCheckBox.Location = new Point(3, top + 6);
            _enableDeleteCheckBox.Size = new Size(145, 17);
 
            // if any controls are added, top should be reset to _insertUpdateDeletePanel.Bottom before adding them here
        } 
 
        private void InitializeTabIndexes()
        { 
            _entitySetLabel.TabStop = false;
            _entitySetComboBox.TabStop = true;
            _entityTypeFilterLabel.TabStop = false;
            _entityTypeFilterComboBox.TabStop = true; 
            _selectLabel.TabStop = false;
            _selectSimpleCheckedListBox.TabStop = true; 
            _selectAdvancedTextBox.TabStop = true; 
            _insertUpdateDeletePanel.TabStop = false;
            _enableInsertCheckBox.TabStop = true; 
            _enableDeleteCheckBox.TabStop = true;
            _enableUpdateCheckBox.TabStop = true;

            int tabIndex = 0; 

            _entitySetLabel.TabIndex = tabIndex += 10; 
            _entitySetComboBox.TabIndex = tabIndex += 10; 
            _entityTypeFilterLabel.TabIndex = tabIndex += 10;
            _entityTypeFilterComboBox.TabIndex = tabIndex += 10; 
            _selectLabel.TabIndex = tabIndex += 10;
            _selectSimpleCheckedListBox.TabIndex = tabIndex += 10;
            _selectAdvancedTextBox.TabIndex = tabIndex += 10;
            _insertUpdateDeletePanel.TabIndex = tabIndex += 10; 
            _enableInsertCheckBox.TabIndex = tabIndex += 10;
            _enableUpdateCheckBox.TabIndex = tabIndex += 10; 
            _enableDeleteCheckBox.TabIndex = tabIndex += 10; 
        }
 
        private void InitializeUI()
        {
            _entitySetLabel.Text = Strings.Wizard_DataSelectionPanel_EntitySetName;
            _entitySetComboBox.AccessibleName = Strings.Wizard_DataSelectionPanel_EntitySetNameAccessibleName; 
            _entityTypeFilterLabel.Text = Strings.Wizard_DataSelectionPanel_EntityTypeFilter;
            _entityTypeFilterComboBox.AccessibleName = Strings.Wizard_DataSelectionPanel_EntityTypeFilterAccessibleName; 
            _selectLabel.Text = Strings.Wizard_DataSelectionPanel_Select; 
            _selectSimpleCheckedListBox.AccessibleName = Strings.Wizard_DataSelectionPanel_SelectAccessibleName;
            _selectAdvancedTextBox.AccessibleName = Strings.Wizard_DataSelectionPanel_SelectAccessibleName; 
            _enableInsertCheckBox.Text = Strings.Wizard_DataSelectionPanel_Insert;
            _enableInsertCheckBox.AccessibleName = Strings.Wizard_DataSelectionPanel_InsertAccessibleName;
            _enableDeleteCheckBox.Text = Strings.Wizard_DataSelectionPanel_Delete;
            _enableDeleteCheckBox.AccessibleName = Strings.Wizard_DataSelectionPanel_DeleteAccessibleName; 
            _enableUpdateCheckBox.Text = Strings.Wizard_DataSelectionPanel_Update;
            _enableUpdateCheckBox.AccessibleName = Strings.Wizard_DataSelectionPanel_UpdateAccessibleName; 
            this.Caption = Strings.Wizard_DataSelectionPanel_Caption; 
            this.AccessibleName = Strings.Wizard_DataSelectionPanel_Caption;
        } 
        #endregion

        #region Control Event Handlers
        private void OnEnableDeleteCheckBox_CheckedChanged(object sender, EventArgs e) 
        {
            if (!_ignoreEvents) 
            { 
                _dataSelection.SelectEnableDelete(_enableDeleteCheckBox.Checked);
                // this property has no effect on the wizard, so don't need to update it 
            }
        }

        private void OnEnableInsertCheckBox_CheckedChanged(object sender, EventArgs e) 
        {
            if (!_ignoreEvents) 
            { 
                _dataSelection.SelectEnableInsert(_enableInsertCheckBox.Checked);
                // this property has no effect on the wizard, so don't need to update it 
            }
        }

        private void OnEnableUpdateCheckBox_CheckedChanged(object sender, EventArgs e) 
        {
            if (!_ignoreEvents) 
            { 
                _dataSelection.SelectEnableUpdate(_enableUpdateCheckBox.Checked);
                // this property has no effect on the wizard, so don't need to update it 
            }
        }

        private void OnEntitySetComboBox_SelectedIndexChanged(object sender, EventArgs e) 
        {
            if (!_ignoreEvents) 
            { 
                _dataSelection.SelectEntitySetName(_entitySetComboBox.SelectedItem as EntityDataSourceEntitySetNameItem);
                _dataSelection.UpdateWizardState(); 
            }
        }

        private void OnEntityTypeFilterComboBox_SelectedIndexChanged(object sender, EventArgs e) 
        {
            if (!_ignoreEvents) 
            { 
                _dataSelection.SelectEntityTypeFilter(_entityTypeFilterComboBox.SelectedItem as EntityDataSourceEntityTypeFilterItem);
                _dataSelection.UpdateWizardState(); 
            }
        }

        private void OnSelectAdvancedTextBox_TextChanged(object sender, EventArgs e) 
        {
            if (!_ignoreEvents) 
            { 
                _dataSelection.SelectAdvancedSelect(_selectAdvancedTextBox.Text);
                _dataSelection.UpdateWizardState(); 
            }
        }

        private void OnSelectSimpleCheckedListBox_ItemCheck(object sender, ItemCheckEventArgs e) 
        {
            if (!_ignoreEvents) 
            { 
                if (e.NewValue == CheckState.Checked)
                { 
                    // if any other box is checked except 'Select All (Entity Value)', clear 'Select All (Entity Value)'
                    if (e.Index != 0)
                    {
                        _selectSimpleCheckedListBox.SetItemChecked(0, false); 
                        _dataSelection.SelectEnableInsert(false);
                        _dataSelection.SelectEnableUpdate(false); 
                        _dataSelection.SelectEnableDelete(false); 
                    }
                    // if 'Select All (Entity Value)' is checked, uncheck all others 
                    else
                    {
                        // disable events while we bulk clear the selected items
                        _ignoreEvents = true; 
                        // this event occurs before the check state is changed on the current selection, so it won't
                        // uncheck the box that triggered this event 
                        foreach (int checkedIndex in _selectSimpleCheckedListBox.CheckedIndices) 
                        {
                            _selectSimpleCheckedListBox.SetItemChecked(checkedIndex, false); 
                        }
                        _ignoreEvents = false;
                        _dataSelection.ClearAllSelectedProperties();
                    } 

                    // Add the current index to the list of selected properties in temporary state storage 
                    _dataSelection.SelectEntityProperty(e.Index); 
                }
                else 
                {
                    // Remove the current index from the list of selected properties in temporary state storage.
                    _dataSelection.DeselectEntityProperty(e.Index);
                } 

                _dataSelection.UpdateInsertUpdateDeleteState(); 
 
                // If there are no longer any properties checked at this point, the Finish button will be disabled
                _dataSelection.UpdateWizardState(); 
            }
        }
        #endregion
 
        #region Wizard State Management
        protected override void OnVisibleChanged(EventArgs e) 
        { 
            base.OnVisibleChanged(e);
 
            if (Visible)
            {
                _dataSelection.UpdateWizardState();
            } 
        }
        #endregion 
 

        #region Methods for setting control values 
        public void SetEnableInsertUpdateDelete(bool enableInsert, bool enableUpdate, bool enableDelete)
        {
            _ignoreEvents = true;
            _enableInsertCheckBox.Checked = enableInsert; 
            _enableUpdateCheckBox.Checked = enableUpdate;
            _enableDeleteCheckBox.Checked = enableDelete; 
            _ignoreEvents = false; 
        }
 
        public void SetEnableInsertUpdateDeletePanel(bool enablePanel)
        {
            _ignoreEvents = true;
            _insertUpdateDeletePanel.Enabled = enablePanel; 
            _ignoreEvents = false;
        } 
 
        public void SetEntitySetNames(List entitySetNames)
        { 
            _ignoreEvents = true;
            _entitySetComboBox.Items.Clear();
            _entitySetComboBox.Items.AddRange(entitySetNames.ToArray());
            _ignoreEvents = false; 
        }
 
        // Populates the CheckedListBox with the specified entityTypeProperties and checks all of the indexes specified in selectedEntityTypeProperties 
        // Expects that 'Select All (Entity Value)' is in the list of properties already
        public void SetEntityTypeProperties(List entityTypeProperties, List selectedEntityTypeProperties) 
        {
            Debug.Assert(entityTypeProperties != null && entityTypeProperties.Count > 0, "unexpected null or empty entityTypeProperties");
            Debug.Assert(selectedEntityTypeProperties != null && selectedEntityTypeProperties.Count > 0, "unexpected null or empty selectedEntityTypeProperties");
 
            _ignoreEvents = true;
            // remove any items currently in the list and replace them with the current list and selected properties 
            _selectSimpleCheckedListBox.Items.Clear(); 
            _selectSimpleCheckedListBox.Items.AddRange(entityTypeProperties.ToArray());
 
            foreach (int entityProperty in selectedEntityTypeProperties)
            {
                // check all of the items in the list of selected properties
                _selectSimpleCheckedListBox.SetItemChecked(entityProperty, true); 
            }
 
            // Update the controls 
            _selectAdvancedTextBox.Visible = false;
            _selectSimpleCheckedListBox.Visible = true; 
            _ignoreEvents = false;
        }

        public void SetEntityTypeFilters(List entityTypeFilters) 
        {
            _ignoreEvents = true; 
            _entityTypeFilterComboBox.Items.Clear(); 
            _entityTypeFilterComboBox.Items.AddRange(entityTypeFilters.ToArray());
            _ignoreEvents = false; 
        }

        public void SetSelectedEntityTypeFilter(EntityDataSourceEntityTypeFilterItem selectedEntityTypeFilter)
        { 
            Debug.Assert(selectedEntityTypeFilter != null, "cannot select null from EntityTypeFilter combobox");
 
            _ignoreEvents = true; 
            _entityTypeFilterComboBox.SelectedItem = selectedEntityTypeFilter;
            _ignoreEvents = false; 
        }

        public void SetSelect(string select)
        { 
            _ignoreEvents = true;
            _selectAdvancedTextBox.Text = select; 
            _selectAdvancedTextBox.Visible = true; 
            _selectSimpleCheckedListBox.Visible = false;
            _ignoreEvents = false; 
        }

        public void SetSelectedEntitySetName(EntityDataSourceEntitySetNameItem selectedEntitySet)
        { 
            _ignoreEvents = true;
            if (selectedEntitySet == null) 
            { 
                _entitySetComboBox.SelectedIndex = -1;
            } 
            else
            {
                _entitySetComboBox.SelectedItem = selectedEntitySet;
            } 
            _ignoreEvents = false;
        } 
        #endregion 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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EntityDataSourceDataSelectionPanel.cs source code in C# .NET

Source code for the .NET framework in C#

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