Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Designer / WebForms / System / Web / UI / Design / DataBindingsDialog.cs / 1 / DataBindingsDialog.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Web.UI.Design {
using System;
using System.Collections;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Design;
using System.Diagnostics;
using System.Drawing;
using System.Globalization;
using System.Text;
using System.Text.RegularExpressions;
using System.Web.UI;
using System.Web.UI.Design.Util;
//
using System.Web.UI.Design.WebControls;
using System.Windows.Forms;
using WebUIControl = System.Web.UI.Control;
internal sealed class DataBindingsDialog : DesignerForm {
private static readonly Attribute[] BrowsablePropertiesFilter =
new Attribute[] { BrowsableAttribute.Yes, ReadOnlyAttribute.No};
private static readonly Attribute[] BindablePropertiesFilter =
new Attribute[] { BindableAttribute.Yes, ReadOnlyAttribute.No};
private const int UnboundImageIndex = 0;
private const int BoundImageIndex = 1;
private const int TwoWayBoundImageIndex = 2;
private const int UnboundItemIndex = 0;
private System.Windows.Forms.Label _instructionLabel;
private System.Windows.Forms.Label _bindablePropsLabels;
private System.Windows.Forms.TreeView _bindablePropsTree;
private System.Windows.Forms.CheckBox _allPropsCheckBox;
private Label _bindingLabel;
private System.Windows.Forms.RadioButton _fieldBindingRadio;
private System.Windows.Forms.Label _fieldLabel;
private System.Windows.Forms.ComboBox _fieldCombo;
private System.Windows.Forms.Label _formatLabel;
private System.Windows.Forms.Label _sampleLabel;
private System.Windows.Forms.TextBox _sampleTextBox;
private System.Windows.Forms.RadioButton _exprBindingRadio;
private System.Windows.Forms.TextBox _exprTextBox;
private System.Windows.Forms.Button _okButton;
private System.Windows.Forms.Button _cancelButton;
private System.Windows.Forms.ComboBox _formatCombo;
private System.Windows.Forms.Label _exprLabel;
private System.Windows.Forms.LinkLabel _refreshSchemaLink;
private System.Windows.Forms.CheckBox _twoWayBindingCheckBox;
private System.Windows.Forms.Panel _fieldBindingPanel;
private System.Windows.Forms.Panel _customBindingPanel;
private System.Windows.Forms.Panel _bindingOptionsPanel;
private string _controlID;
private IDictionary _bindings;
private bool _bindingsDirty;
private bool _fieldsAvailable;
private BindablePropertyNode _currentNode;
private DesignTimeDataBinding _currentDataBinding;
private bool _currentDataBindingDirty;
private bool _internalChange;
private bool _formatDirty;
private object _formatSampleObject;
public DataBindingsDialog(IServiceProvider serviceProvider, WebUIControl control) : base(serviceProvider) {
Debug.Assert(control != null);
Debug.Assert(control.Site != null);
_controlID = control.ID;
// Setup the user interface
InitializeComponent();
InitializeUserInterface();
}
private WebUIControl Control {
get {
IServiceProvider serviceProvider = ServiceProvider;
Debug.Assert(serviceProvider != null);
if (serviceProvider != null) {
IContainer container = null;
ISite nestedSite = serviceProvider as ISite;
IContainer nestedContainer = null;
if (nestedSite != null) {
nestedContainer = nestedSite.Container;
}
if (nestedContainer != null && nestedContainer is NestedContainer) {
container = nestedContainer;
}
else {
container = ((IContainer)serviceProvider.GetService(typeof(IContainer)));
}
Debug.Assert(container != null);
if (container != null) {
WebUIControl control = container.Components[_controlID] as WebUIControl;
Debug.Assert(control != null);
return control;
}
}
Debug.Fail("Could not get Control");
return null;
}
}
protected override string HelpTopic {
get {
return "net.Asp.DataBinding.BindingsDialog";
}
}
private bool ContainingTemplateIsBindable(ControlDesigner designer) {
bool bindable = false;
IControlDesignerView view = designer.View;
if (view != null) {
TemplatedEditableDesignerRegion editableRegion = view.ContainingRegion as TemplatedEditableDesignerRegion;
if (editableRegion != null) {
TemplateDefinition templateDefinition = editableRegion.TemplateDefinition;
PropertyDescriptor prop = TypeDescriptor.GetProperties(templateDefinition.TemplatedObject)[templateDefinition.TemplatePropertyName];
if (prop != null) {
TemplateContainerAttribute containerAttr = prop.Attributes[typeof(TemplateContainerAttribute)] as TemplateContainerAttribute;
if (containerAttr != null && (containerAttr.BindingDirection == BindingDirection.TwoWay)) {
bindable = true;
}
}
}
}
return bindable;
}
private void ExtractFields(IDataSourceViewSchema schema, ArrayList fields) {
if (schema != null) {
IDataSourceFieldSchema[] fieldSchemas = schema.GetFields();
if (fieldSchemas != null) {
for (int i = 0; i < fieldSchemas.Length; i++) {
fields.Add(new FieldItem(fieldSchemas[i].Name, fieldSchemas[i].DataType));
}
}
}
}
private void ExtractFields(IDataSourceProvider dataSourceProvider, ArrayList fields) {
Debug.Assert(dataSourceProvider != null);
IEnumerable dataSource = dataSourceProvider.GetResolvedSelectedDataSource();
if (dataSource != null) {
PropertyDescriptorCollection props = DesignTimeData.GetDataFields(dataSource);
if ((props != null) && (props.Count != 0)) {
foreach (PropertyDescriptor propDesc in props) {
fields.Add(new FieldItem(propDesc.Name, propDesc.PropertyType));
}
}
}
}
private IDesigner GetNamingContainerDesigner(ControlDesigner designer) {
IControlDesignerView view = designer.View;
return (view != null) ? view.NamingContainerDesigner : null;
}
#region Windows Form Designer generated code
private void InitializeComponent() {
this._instructionLabel = new System.Windows.Forms.Label();
this._bindablePropsLabels = new System.Windows.Forms.Label();
this._bindablePropsTree = new System.Windows.Forms.TreeView();
this._allPropsCheckBox = new System.Windows.Forms.CheckBox();
this._bindingLabel = new Label();
this._fieldBindingRadio = new System.Windows.Forms.RadioButton();
this._fieldLabel = new System.Windows.Forms.Label();
this._fieldCombo = new System.Windows.Forms.ComboBox();
this._formatLabel = new System.Windows.Forms.Label();
this._formatCombo = new System.Windows.Forms.ComboBox();
this._sampleLabel = new System.Windows.Forms.Label();
this._sampleTextBox = new System.Windows.Forms.TextBox();
this._exprBindingRadio = new System.Windows.Forms.RadioButton();
this._exprTextBox = new System.Windows.Forms.TextBox();
this._okButton = new System.Windows.Forms.Button();
this._cancelButton = new System.Windows.Forms.Button();
this._refreshSchemaLink = new System.Windows.Forms.LinkLabel();
this._exprLabel = new System.Windows.Forms.Label();
this._twoWayBindingCheckBox = new System.Windows.Forms.CheckBox();
this._fieldBindingPanel = new System.Windows.Forms.Panel();
this._customBindingPanel = new System.Windows.Forms.Panel();
this._bindingOptionsPanel = new System.Windows.Forms.Panel();
this.SuspendLayout();
//
// _instructionLabel
//
this._instructionLabel.FlatStyle = System.Windows.Forms.FlatStyle.System;
this._instructionLabel.Location = new System.Drawing.Point(12, 12);
this._instructionLabel.Name = "_instructionLabel";
this._instructionLabel.Size = new System.Drawing.Size(508, 30);
this._instructionLabel.TabIndex = 0;
//
// _bindablePropsLabels
//
this._bindablePropsLabels.FlatStyle = System.Windows.Forms.FlatStyle.System;
this._bindablePropsLabels.Location = new System.Drawing.Point(12, 52);
this._bindablePropsLabels.Name = "_bindablePropsLabels";
this._bindablePropsLabels.Size = new System.Drawing.Size(184, 16);
this._bindablePropsLabels.TabIndex = 1;
//
// _bindablePropsTree
//
this._bindablePropsTree.HideSelection = false;
this._bindablePropsTree.ImageIndex = -1;
this._bindablePropsTree.Location = new System.Drawing.Point(12, 72);
this._bindablePropsTree.Name = "_bindablePropsTree";
this._bindablePropsTree.SelectedImageIndex = -1;
this._bindablePropsTree.ShowLines = false;
this._bindablePropsTree.ShowPlusMinus = false;
this._bindablePropsTree.ShowRootLines = false;
this._bindablePropsTree.Size = new System.Drawing.Size(184, 112);
this._bindablePropsTree.TabIndex = 2;
this._bindablePropsTree.Sorted = true;
this._bindablePropsTree.AfterSelect += new System.Windows.Forms.TreeViewEventHandler(this.OnBindablePropsTreeAfterSelect);
//
// _allPropsCheckBox
//
this._allPropsCheckBox.FlatStyle = System.Windows.Forms.FlatStyle.System;
this._allPropsCheckBox.Location = new System.Drawing.Point(12, 190);
this._allPropsCheckBox.Name = "_allPropsCheckBox";
this._allPropsCheckBox.Size = new System.Drawing.Size(184, 40);
this._allPropsCheckBox.TabIndex = 3;
this._allPropsCheckBox.Visible = true;
this._allPropsCheckBox.CheckedChanged += new System.EventHandler(this.OnShowAllCheckedChanged);
this._allPropsCheckBox.TextAlign = ContentAlignment.TopLeft;
this._allPropsCheckBox.CheckAlign = ContentAlignment.TopLeft;
//
// _bindingLabel
//
this._bindingLabel.Location = new System.Drawing.Point(210, 52);
this._bindingLabel.Name = "_bindingGroupLabel";
this._bindingLabel.Size = new System.Drawing.Size(306, 16);
this._bindingLabel.TabIndex = 4;
//
// _fieldLabel
//
this._fieldLabel.FlatStyle = System.Windows.Forms.FlatStyle.System;
this._fieldLabel.Location = new System.Drawing.Point(0, 4);
this._fieldLabel.Name = "_fieldLabel";
this._fieldLabel.Size = new System.Drawing.Size(104, 16);
this._fieldLabel.TabIndex = 100;
//
// _fieldCombo
//
this._fieldCombo.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
this._fieldCombo.Location = new System.Drawing.Point(118, 0);
this._fieldCombo.Name = "_fieldCombo";
this._fieldCombo.Size = new System.Drawing.Size(164, 21);
this._fieldCombo.TabIndex = 101;
this._fieldCombo.SelectedIndexChanged += new System.EventHandler(this.OnFieldComboSelectedIndexChanged);
//
// _formatLabel
//
this._formatLabel.FlatStyle = System.Windows.Forms.FlatStyle.System;
this._formatLabel.Location = new System.Drawing.Point(0, 32);
this._formatLabel.Name = "_formatLabel";
this._formatLabel.Size = new System.Drawing.Size(114, 16);
this._formatLabel.TabIndex = 102;
//
// _formatCombo
//
this._formatCombo.Location = new System.Drawing.Point(118, 28);
this._formatCombo.Name = "_formatCombo";
this._formatCombo.Size = new System.Drawing.Size(164, 21);
this._formatCombo.TabIndex = 103;
this._formatCombo.LostFocus += new System.EventHandler(this.OnFormatComboLostFocus);
this._formatCombo.TextChanged += new System.EventHandler(this.OnFormatComboTextChanged);
this._formatCombo.SelectedIndexChanged += new System.EventHandler(this.OnFormatComboSelectedIndexChanged);
//
// _sampleLabel
//
this._sampleLabel.FlatStyle = System.Windows.Forms.FlatStyle.System;
this._sampleLabel.Location = new System.Drawing.Point(0, 60);
this._sampleLabel.Name = "_sampleLabel";
this._sampleLabel.Size = new System.Drawing.Size(114, 16);
this._sampleLabel.TabIndex = 104;
//
// _sampleTextBox
//
this._sampleTextBox.Location = new System.Drawing.Point(118, 56);
this._sampleTextBox.Name = "_sampleTextBox";
this._sampleTextBox.ReadOnly = true;
this._sampleTextBox.Size = new System.Drawing.Size(164, 20);
this._sampleTextBox.TabIndex = 105;
//
// _exprTextBox
//
this._exprTextBox.Location = new System.Drawing.Point(0, 18);
this._exprTextBox.Name = "_exprTextBox";
this._exprTextBox.Size = new System.Drawing.Size(282, 20);
this._exprTextBox.TabIndex = 201;
this._exprTextBox.TextChanged += new System.EventHandler(this.OnExprTextBoxTextChanged);
//
// _okButton
//
this._okButton.FlatStyle = System.Windows.Forms.FlatStyle.System;
this._okButton.Location = new System.Drawing.Point(360, 279);
this._okButton.Name = "_okButton";
this._okButton.TabIndex = 7;
this._okButton.Click += new System.EventHandler(this.OnOKButtonClick);
//
// _cancelButton
//
this._cancelButton.DialogResult = System.Windows.Forms.DialogResult.Cancel;
this._cancelButton.FlatStyle = System.Windows.Forms.FlatStyle.System;
this._cancelButton.Location = new System.Drawing.Point(441, 279);
this._cancelButton.Name = "_cancelButton";
this._cancelButton.TabIndex = 8;
//
// _refreshSchemaLink
//
this._refreshSchemaLink.Visible = false;
this._refreshSchemaLink.Location = new System.Drawing.Point(12, 283);
this._refreshSchemaLink.Name = "_refreshSchemaLink";
this._refreshSchemaLink.Size = new System.Drawing.Size(197, 16);
this._refreshSchemaLink.TabIndex = 6;
this._refreshSchemaLink.TabStop = true;
this._refreshSchemaLink.LinkClicked += new System.Windows.Forms.LinkLabelLinkClickedEventHandler(this.OnRefreshSchemaLinkLinkClicked);
//
// _exprLabel
//
this._exprLabel.Location = new System.Drawing.Point(0, 0);
this._exprLabel.Name = "_exprLabel";
this._exprLabel.Size = new System.Drawing.Size(290, 16);
this._exprLabel.TabIndex = 200;
//
// _twoWayBindingCheckBox
//
this._twoWayBindingCheckBox.FlatStyle = System.Windows.Forms.FlatStyle.System;
this._twoWayBindingCheckBox.Location = new System.Drawing.Point(118, 83);
this._twoWayBindingCheckBox.Name = "_twoWayBindingCheckBox";
this._twoWayBindingCheckBox.Size = new System.Drawing.Size(168, 30);
this._twoWayBindingCheckBox.TabIndex = 106;
this._twoWayBindingCheckBox.Enabled = true;
this._twoWayBindingCheckBox.CheckedChanged += new System.EventHandler(this.OnTwoWayBindingChecked);
this._twoWayBindingCheckBox.TextAlign = ContentAlignment.TopLeft;
this._twoWayBindingCheckBox.CheckAlign = ContentAlignment.TopLeft;
//
// _fieldBindingRadio
//
this._fieldBindingRadio.Checked = true;
this._fieldBindingRadio.FlatStyle = System.Windows.Forms.FlatStyle.System;
this._fieldBindingRadio.Location = new System.Drawing.Point(0, 0);
this._fieldBindingRadio.Name = "_fieldBindingRadio";
this._fieldBindingRadio.Size = new System.Drawing.Size(302, 18);
this._fieldBindingRadio.TabIndex = 0;
this._fieldBindingRadio.TabStop = true;
this._fieldBindingRadio.CheckedChanged += new System.EventHandler(this.OnFieldBindingRadioCheckedChanged);
//
// _exprBindingRadio
//
this._exprBindingRadio.Location = new System.Drawing.Point(0, 127);
this._exprBindingRadio.Name = "_exprBindingRadio";
this._exprBindingRadio.Size = new System.Drawing.Size(302, 18);
this._exprBindingRadio.TabIndex = 2;
this._exprBindingRadio.CheckedChanged += new System.EventHandler(this.OnExprBindingRadioCheckedChanged);
//
// _fieldBindingPanel
//
this._fieldBindingPanel.TabIndex = 1;
this._fieldBindingPanel.Name = "_fieldBindingPanel";
this._fieldBindingPanel.Location = new System.Drawing.Point(16, 20);
this._fieldBindingPanel.Size = new System.Drawing.Size(286, 105);
this._fieldBindingPanel.Controls.Add(this._fieldLabel);
this._fieldBindingPanel.Controls.Add(this._fieldCombo);
this._fieldBindingPanel.Controls.Add(this._formatLabel);
this._fieldBindingPanel.Controls.Add(this._formatCombo);
this._fieldBindingPanel.Controls.Add(this._sampleLabel);
this._fieldBindingPanel.Controls.Add(this._sampleTextBox);
this._fieldBindingPanel.Controls.Add(this._twoWayBindingCheckBox);
//
// _customBindingPanel
//
this._customBindingPanel.TabIndex = 3;
this._customBindingPanel.Name = "_customBindingPanel";
this._customBindingPanel.Location = new System.Drawing.Point(16, 148);
this._customBindingPanel.Size = new System.Drawing.Size(286, 54);
this._customBindingPanel.Controls.Add(this._exprLabel);
this._customBindingPanel.Controls.Add(this._exprTextBox);
//
// DataBindingsDialog
//
this._bindingOptionsPanel.TabIndex = 5;
this._bindingOptionsPanel.Name = "_bindingOptionsPanel";
this._bindingOptionsPanel.Location = new System.Drawing.Point(214, 76);
this._bindingOptionsPanel.Size = new System.Drawing.Size(302, 200);
this._bindingOptionsPanel.Controls.Add(this._fieldBindingRadio);
this._bindingOptionsPanel.Controls.Add(this._exprBindingRadio);
this._bindingOptionsPanel.Controls.Add(this._fieldBindingPanel);
this._bindingOptionsPanel.Controls.Add(this._customBindingPanel);
this.AcceptButton = this._okButton;
this.CancelButton = this._cancelButton;
this.ClientSize = new System.Drawing.Size(524, 314);
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this._refreshSchemaLink,
this._cancelButton,
this._okButton,
this._bindingLabel,
this._allPropsCheckBox,
this._bindablePropsTree,
this._bindablePropsLabels,
this._instructionLabel,
this._bindingOptionsPanel});
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
this.Name = "DataBindingsDialog";
InitializeForm();
this.ResumeLayout(false);
}
#endregion
private void InitializeUserInterface() {
Text = SR.GetString(SR.DBDlg_Text, Control.Site.Name);
_instructionLabel.Text = SR.GetString(SR.DBDlg_Inst);
_bindablePropsLabels.Text = SR.GetString(SR.DBDlg_BindableProps);
_allPropsCheckBox.Text = SR.GetString(SR.DBDlg_ShowAll);
_fieldBindingRadio.Text = SR.GetString(SR.DBDlg_FieldBinding);
_fieldLabel.Text = SR.GetString(SR.DBDlg_Field);
_formatLabel.Text = SR.GetString(SR.DBDlg_Format);
_sampleLabel.Text = SR.GetString(SR.DBDlg_Sample);
_exprBindingRadio.Text = SR.GetString(SR.DBDlg_CustomBinding);
_okButton.Text = SR.GetString(SR.DBDlg_OK);
_cancelButton.Text = SR.GetString(SR.DBDlg_Cancel);
_refreshSchemaLink.Text = SR.GetString(SR.DBDlg_RefreshSchema);
_exprLabel.Text = SR.GetString(SR.DBDlg_Expr);
_twoWayBindingCheckBox.Text = SR.GetString(SR.DBDlg_TwoWay);
ImageList imageList = new ImageList();
imageList.TransparentColor = Color.Magenta;
imageList.ColorDepth = ColorDepth.Depth32Bit;
imageList.Images.AddStrip(new Bitmap(typeof(DataBindingsDialog), "BindableProperties.bmp"));
_bindablePropsTree.ImageList = imageList;
bool showBindingCheckBox = false;
IDesignerHost designerHost = (IDesignerHost)Control.Site.GetService(typeof(IDesignerHost));
Debug.Assert(designerHost != null);
if (designerHost != null) {
ControlDesigner designer = designerHost.GetDesigner(Control) as ControlDesigner;
if (designer != null) {
showBindingCheckBox = ContainingTemplateIsBindable(designer);
}
}
_twoWayBindingCheckBox.Visible = showBindingCheckBox;
}
private void LoadBindableProperties(bool showAll) {
string previouslySelectedProp = String.Empty;
if (_bindablePropsTree.SelectedNode != null) {
previouslySelectedProp = _bindablePropsTree.SelectedNode.Text;
}
_bindablePropsTree.Nodes.Clear();
PropertyDescriptorCollection propDescs = TypeDescriptor.GetProperties(Control.GetType(), BindablePropertiesFilter);
if (showAll) {
PropertyDescriptorCollection browsablePropDescs = TypeDescriptor.GetProperties(Control.GetType(), BrowsablePropertiesFilter);
if (browsablePropDescs != null && browsablePropDescs.Count > 0) {
int bindableCount = propDescs.Count;
int browsableCount = browsablePropDescs.Count;
PropertyDescriptor[] allProps = new PropertyDescriptor[bindableCount + browsableCount];
propDescs.CopyTo(allProps, 0);
int currentPropIndex = bindableCount;
// Merge collections, ignoring repeats. PropertyDescriptorCollection.Add isn't implemented.
foreach (PropertyDescriptor pd in browsablePropDescs) {
if (!propDescs.Contains(pd) && !String.Equals(pd.Name, "id", StringComparison.OrdinalIgnoreCase)) {
allProps[currentPropIndex++] = pd;
}
}
PropertyDescriptor[] allPropsFinalCount = new PropertyDescriptor[currentPropIndex];
Array.Copy(allProps, allPropsFinalCount, currentPropIndex);
propDescs = new PropertyDescriptorCollection(allPropsFinalCount);
}
}
string defaultPropName = null;
ControlValuePropertyAttribute controlValuePropertyAttr = TypeDescriptor.GetAttributes(Control)[typeof(ControlValuePropertyAttribute)] as ControlValuePropertyAttribute;
if (controlValuePropertyAttr != null) {
defaultPropName = controlValuePropertyAttr.Name;
}
else {
PropertyDescriptor defaultProperty = TypeDescriptor.GetDefaultProperty(Control);
if (defaultProperty != null) {
defaultPropName = defaultProperty.Name;
}
}
TreeNodeCollection nodes = _bindablePropsTree.Nodes;
TreeNode defaultNode = null;
TreeNode selectedNode = null;
_bindablePropsTree.BeginUpdate();
foreach (PropertyDescriptor pd in propDescs) {
bool bound = (_bindings[pd.Name] != null);
BindingMode bindingMode = BindingMode.NotSet;
if (bound) {
if (((DesignTimeDataBinding)_bindings[pd.Name]).IsTwoWayBound) {
bindingMode = BindingMode.TwoWay;
}
else {
bindingMode = BindingMode.OneWay;
}
}
TreeNode node = new BindablePropertyNode(pd, bindingMode);
if (pd.Name.Equals(defaultPropName)) {
defaultNode = node;
}
if (pd.Name.Equals(previouslySelectedProp)) {
selectedNode = node;
}
nodes.Add(node);
}
_bindablePropsTree.EndUpdate();
if (selectedNode == null && defaultNode == null && nodes.Count != 0) {
int nodeCount = nodes.Count;
for (int i = 0; i < nodeCount; i++) {
BindablePropertyNode node = (BindablePropertyNode)nodes[i];
if (node.IsBound) {
selectedNode = node;
break;
}
}
if (selectedNode == null) {
selectedNode = nodes[0];
}
}
if (selectedNode != null) {
_bindablePropsTree.SelectedNode = selectedNode;
}
else if (defaultNode != null) {
_bindablePropsTree.SelectedNode = defaultNode;
}
UpdateUIState();
}
///
///
private void LoadCurrentDataBinding() {
Debug.Assert(_currentDataBindingDirty == false, "Must save pending changes first.");
_internalChange = true;
try {
// first initialize the UI state
_fieldBindingRadio.Checked = _fieldsAvailable;
_bindingLabel.Text = String.Empty;
_fieldCombo.SelectedIndex = -1;
_formatCombo.Text = String.Empty;
_sampleTextBox.Text = String.Empty;
_exprBindingRadio.Checked = !_fieldsAvailable;
_exprTextBox.Text = String.Empty;
_twoWayBindingCheckBox.Checked = false;
_formatDirty = false;
if (_currentNode != null) {
// load the current selected property
_bindingLabel.Text = SR.GetString(SR.DBDlg_BindingGroup, _currentNode.PropertyDescriptor.Name);
_twoWayBindingCheckBox.Checked = _currentNode.TwoWayBoundByDefault && _twoWayBindingCheckBox.Visible;
if (_currentDataBinding != null) {
// load the databinding if there is one associated with the property
bool useExpression = true;
if (_fieldsAvailable && (_currentDataBinding.IsCustom == false)) {
string field = _currentDataBinding.Field;
string format = _currentDataBinding.Format;
Debug.Assert(_fieldCombo.Items.Count > 1);
// strip off surrounding square brackets, if they exist
field = field.TrimStart(new char[] {'['});
field = field.TrimEnd(new char[] {']'});
// this finds the field in a case-insensitive manner
int fieldIndex = _fieldCombo.FindStringExact(field, 1);
if (fieldIndex != -1) {
useExpression = false;
_fieldCombo.SelectedIndex = fieldIndex;
UpdateFormatItems();
bool knownFormat = false;
foreach (FormatItem item in _formatCombo.Items) {
if (item.Format.Equals(format)) {
knownFormat = true;
_formatCombo.SelectedItem = item;
}
}
if (knownFormat == false) {
_formatCombo.Text = format;
}
UpdateFormatSample();
if (_currentNode.BindingMode == BindingMode.TwoWay) {
_twoWayBindingCheckBox.Checked = true;
}
else if (_currentNode.BindingMode == BindingMode.OneWay) {
_twoWayBindingCheckBox.Checked = false;
}
}
}
if (useExpression) {
// either it was a custom expression or we're falling back
// on this because of an error such as an unknown field.
_exprBindingRadio.Checked = true;
_exprTextBox.Text = _currentDataBinding.Expression;
}
else {
UpdateExpression();
}
}
}
}
finally {
_internalChange = false;
UpdateUIState();
}
}
///
///
private void LoadDataBindings() {
// Load the current bindings
_bindings = new Hashtable();
DataBindingCollection currentDataBindings = ((IDataBindingsAccessor)Control).DataBindings;
foreach (DataBinding binding in currentDataBindings) {
_bindings[binding.PropertyName] = new DesignTimeDataBinding(binding);
}
}
///
///
private void LoadFields() {
// This can get called multiple times, for example whenever refresh schema is clicked
// Therefore clear the combobox first
_fieldCombo.Items.Clear();
ArrayList fields = new ArrayList();
// Add the (Unbound) field item
fields.Add(new FieldItem());
IDesigner containerControlDesigner = null;
IDesignerHost designerHost = (IDesignerHost)Control.Site.GetService(typeof(IDesignerHost));
Debug.Assert(designerHost != null);
if (designerHost != null) {
ControlDesigner designer = designerHost.GetDesigner(Control) as ControlDesigner;
if (designer != null) {
containerControlDesigner = GetNamingContainerDesigner(designer);
}
}
if (containerControlDesigner != null) {
IDataBindingSchemaProvider schemaProvider = containerControlDesigner as IDataBindingSchemaProvider;
if (schemaProvider != null) {
if (schemaProvider.CanRefreshSchema) {
_refreshSchemaLink.Visible = true;
}
IDataSourceViewSchema schema = null;
try {
schema = schemaProvider.Schema;
}
catch (Exception ex) {
IComponentDesignerDebugService debugService = (IComponentDesignerDebugService)ServiceProvider.GetService(typeof(IComponentDesignerDebugService));
if (debugService != null) {
debugService.Fail(SR.GetString(SR.DataSource_DebugService_FailedCall, "DesignerDataSourceView.Schema", ex.Message));
}
}
ExtractFields(schema, fields);
}
else if (containerControlDesigner is IDataSourceProvider) {
ExtractFields((IDataSourceProvider)containerControlDesigner, fields);
}
}
_fieldCombo.Items.AddRange(fields.ToArray());
_fieldsAvailable = (fields.Count > 1);
}
private void OnBindablePropsTreeAfterSelect(object sender, TreeViewEventArgs e) {
if (_currentDataBindingDirty) {
SaveCurrentDataBinding();
}
_currentDataBinding = null;
_currentNode = (BindablePropertyNode)_bindablePropsTree.SelectedNode;
if (_currentNode != null) {
_currentDataBinding = (DesignTimeDataBinding)_bindings[_currentNode.PropertyDescriptor.Name];
}
LoadCurrentDataBinding();
}
private void OnExprBindingRadioCheckedChanged(object sender, System.EventArgs e) {
if (_internalChange) {
return;
}
_currentDataBindingDirty = true;
UpdateUIState();
}
private void OnExprTextBoxTextChanged(object sender, System.EventArgs e) {
if (_internalChange) {
return;
}
_currentDataBindingDirty = true;
}
private void OnFieldBindingRadioCheckedChanged(object sender, System.EventArgs e) {
if (_internalChange) {
return;
}
_currentDataBindingDirty = true;
if (_fieldBindingRadio.Checked) {
UpdateExpression();
}
UpdateUIState();
}
private void OnFieldComboSelectedIndexChanged(object sender, EventArgs e) {
if (_internalChange) {
return;
}
_currentDataBindingDirty = true;
UpdateFormatItems();
UpdateExpression();
UpdateUIState();
}
private void OnFormatComboLostFocus(object sender, EventArgs e) {
if (_formatDirty) {
_formatDirty = false;
UpdateFormatSample();
UpdateExpression();
}
}
private void OnFormatComboTextChanged(object sender, EventArgs e) {
if (_internalChange) {
return;
}
_formatDirty = true;
}
private void OnFormatComboSelectedIndexChanged(object sender, EventArgs e) {
if (_internalChange) {
return;
}
_formatDirty = true;
UpdateFormatSample();
UpdateExpression();
}
protected override void OnInitialActivated(EventArgs e) {
base.OnInitialActivated(e);
LoadDataBindings();
LoadFields();
LoadBindableProperties(false);
}
private void OnOKButtonClick(object sender, EventArgs e) {
if (_currentDataBindingDirty) {
SaveCurrentDataBinding();
}
if (_bindingsDirty) {
SaveDataBindings();
}
DialogResult = DialogResult.OK;
Close();
}
private void OnRefreshSchemaLinkLinkClicked(object sender, LinkLabelLinkClickedEventArgs e) {
if (_currentDataBindingDirty) {
SaveCurrentDataBinding();
}
IDesigner containerControlDesigner = null;
IDesignerHost designerHost = (IDesignerHost)Control.Site.GetService(typeof(IDesignerHost));
Debug.Assert(designerHost != null);
if (designerHost != null) {
ControlDesigner designer = designerHost.GetDesigner(Control) as ControlDesigner;
if (designer != null) {
containerControlDesigner = GetNamingContainerDesigner(designer);
}
}
if (containerControlDesigner != null) {
IDataBindingSchemaProvider schemaProvider = containerControlDesigner as IDataBindingSchemaProvider;
if (schemaProvider != null) {
schemaProvider.RefreshSchema(false);
}
}
LoadFields();
if (_currentNode != null) {
_currentDataBinding = (DesignTimeDataBinding)_bindings[_currentNode.PropertyDescriptor.Name];
}
LoadCurrentDataBinding();
}
private void OnShowAllCheckedChanged(object sender, EventArgs e) {
LoadBindableProperties(_allPropsCheckBox.Checked);
}
private void OnTwoWayBindingChecked(object sender, EventArgs e) {
if (_internalChange) {
return;
}
_currentDataBindingDirty = true;
UpdateExpression();
UpdateUIState();
}
private void SaveCurrentDataBinding() {
Debug.Assert(_currentDataBindingDirty);
Debug.Assert(_currentNode != null);
DesignTimeDataBinding binding = null;
if (_fieldBindingRadio.Checked) {
if (_fieldCombo.SelectedIndex > DataBindingsDialog.UnboundItemIndex) {
string fieldName = _fieldCombo.Text;
string format = SaveFormat();
binding = new DesignTimeDataBinding(_currentNode.PropertyDescriptor, fieldName, format, _twoWayBindingCheckBox.Checked);
}
}
else {
string expression = _exprTextBox.Text.Trim();
if (expression.Length != 0) {
binding = new DesignTimeDataBinding(_currentNode.PropertyDescriptor, expression);
}
}
if (binding == null) {
_currentNode.BindingMode = BindingMode.NotSet;
_bindings.Remove(_currentNode.PropertyDescriptor.Name);
}
else {
if (_fieldBindingRadio.Checked) {
if (_twoWayBindingCheckBox.Checked && _twoWayBindingCheckBox.Visible) {
_currentNode.BindingMode = BindingMode.TwoWay;
}
else {
_currentNode.BindingMode = BindingMode.OneWay;
}
}
else {
if (binding.IsTwoWayBound) {
_currentNode.BindingMode = BindingMode.TwoWay;
}
else {
_currentNode.BindingMode = BindingMode.OneWay;
}
}
_bindings[_currentNode.PropertyDescriptor.Name] = binding;
}
_currentDataBindingDirty = false;
_bindingsDirty = true;
}
private void SaveDataBindings() {
Debug.Assert(_bindingsDirty == true);
DataBindingCollection dbc = ((IDataBindingsAccessor)Control).DataBindings;
ExpressionBindingCollection ebc = ((IExpressionsAccessor)Control).Expressions;
dbc.Clear();
foreach (DesignTimeDataBinding binding in _bindings.Values) {
dbc.Add(binding.RuntimeDataBinding);
ebc.Remove(binding.RuntimeDataBinding.PropertyName);
}
_bindingsDirty = false;
}
///
///
private string SaveFormat() {
string formatText = String.Empty;
FormatItem selectedFormat = _formatCombo.SelectedItem as FormatItem;
if (selectedFormat != null) {
formatText = selectedFormat.Format;
}
else {
// if all whitespace, then disregard se format
// otherwise whitespace is significant
formatText = _formatCombo.Text;
string trimmedText = formatText.Trim();
if (trimmedText.Length == 0) {
formatText = trimmedText;
}
}
return formatText;
}
private void UpdateExpression() {
Debug.Assert(_exprBindingRadio.Checked == false);
string expression = String.Empty;
if (_fieldCombo.SelectedIndex > DataBindingsDialog.UnboundItemIndex) {
string fieldName = _fieldCombo.Text;
string format = SaveFormat();
if (_twoWayBindingCheckBox.Checked) {
expression = DesignTimeDataBinding.CreateBindExpression(fieldName, format);
}
else {
expression = DesignTimeDataBinding.CreateEvalExpression(fieldName, format);
}
}
_exprTextBox.Text = expression;
}
private void UpdateFormatItems() {
FormatItem[] items = FormatItem.DefaultFormats;
_formatSampleObject = null;
_formatCombo.SelectedIndex = -1;
_formatCombo.Text = String.Empty;
FieldItem selectedItem = (FieldItem)_fieldCombo.SelectedItem;
if ((selectedItem != null) && (selectedItem.Type != null)) {
TypeCode typeCode = Type.GetTypeCode(selectedItem.Type);
switch (typeCode) {
case TypeCode.Decimal:
case TypeCode.Double:
case TypeCode.Single:
items = FormatItem.DecimalFormats;
_formatSampleObject = 1;
break;
case TypeCode.Byte:
case TypeCode.SByte:
case TypeCode.Int16:
case TypeCode.Int32:
case TypeCode.Int64:
case TypeCode.UInt16:
case TypeCode.UInt32:
case TypeCode.UInt64:
items = FormatItem.NumericFormats;
_formatSampleObject = 1;
break;
case TypeCode.String:
_formatSampleObject = "abc";
break;
case TypeCode.DateTime:
items = FormatItem.DateTimeFormats;
_formatSampleObject = DateTime.Today;
break;
case TypeCode.Boolean:
case TypeCode.Char:
case TypeCode.DBNull:
case TypeCode.Object:
default:
break;
}
}
_formatCombo.Items.Clear();
_formatCombo.Items.AddRange(items);
}
private void UpdateFormatSample() {
string sampleValue = String.Empty;
if (_formatSampleObject != null) {
string format = SaveFormat();
if (format.Length != 0) {
try {
sampleValue = String.Format(CultureInfo.CurrentCulture, format, _formatSampleObject);
}
catch {
sampleValue = SR.GetString(SR.DBDlg_InvalidFormat);
}
}
}
_sampleTextBox.Text = sampleValue;
}
private void UpdateUIState() {
if (_currentNode == null) {
_fieldBindingRadio.Enabled = false;
_fieldCombo.Enabled = false;
_formatCombo.Enabled = false;
_sampleTextBox.Enabled = false;
_fieldLabel.Enabled = false;
_formatLabel.Enabled = false;
_sampleLabel.Enabled = false;
_twoWayBindingCheckBox.Enabled = false;
_exprBindingRadio.Enabled = false;
_exprTextBox.Enabled = false;
}
else {
_fieldBindingRadio.Enabled = _fieldsAvailable;
_exprBindingRadio.Enabled = true;
bool fieldBinding = _fieldBindingRadio.Checked;
bool fieldSelected = fieldBinding && (_fieldCombo.SelectedIndex > UnboundItemIndex);
bool formattable = fieldSelected &&
(_currentNode.PropertyDescriptor.PropertyType == typeof(string));
_fieldCombo.Enabled = fieldBinding;
_fieldLabel.Enabled = fieldBinding;
_formatCombo.Enabled = formattable;
_formatLabel.Enabled = formattable;
_sampleTextBox.Enabled = formattable;
_sampleLabel.Enabled = formattable;
_twoWayBindingCheckBox.Enabled = fieldSelected;
_exprTextBox.Enabled = !fieldBinding;
}
}
///
///
private sealed class BindablePropertyNode : TreeNode {
private PropertyDescriptor _propDesc;
private BindingMode _bindingMode;
private bool _twoWayBoundByDefault;
private bool _twoWayBoundByDefaultValid;
public BindablePropertyNode(PropertyDescriptor propDesc, BindingMode bindingMode) {
_propDesc = propDesc;
_bindingMode = bindingMode;
Text = propDesc.Name;
int imageIndex = UnboundImageIndex;
if (bindingMode == BindingMode.OneWay) {
imageIndex = BoundImageIndex;
}
else if (bindingMode == BindingMode.TwoWay) {
imageIndex = TwoWayBoundImageIndex;
}
ImageIndex = SelectedImageIndex = imageIndex;
}
public BindingMode BindingMode {
get {
return _bindingMode;
}
set {
_bindingMode = value;
int imageIndex = UnboundImageIndex;
if (_bindingMode == BindingMode.OneWay) {
imageIndex = BoundImageIndex;
}
else if (_bindingMode == BindingMode.TwoWay) {
imageIndex = TwoWayBoundImageIndex;
}
ImageIndex = SelectedImageIndex = imageIndex;
}
}
public bool IsBound {
get {
return (_bindingMode == BindingMode.OneWay) || (_bindingMode == BindingMode.TwoWay);
}
}
public bool TwoWayBoundByDefault {
get {
if (!_twoWayBoundByDefaultValid) {
BindableAttribute bindable = _propDesc.Attributes[typeof(BindableAttribute)] as BindableAttribute;
if (bindable != null) {
_twoWayBoundByDefault = (bindable.Direction == BindingDirection.TwoWay);
}
_twoWayBoundByDefaultValid = true;
}
return _twoWayBoundByDefault;
}
}
public PropertyDescriptor PropertyDescriptor {
get {
return _propDesc;
}
}
}
enum BindingMode {
NotSet = 0,
OneWay = 1,
TwoWay = 2
}
///
///
private sealed class FieldItem {
private string _name;
private Type _type;
public FieldItem() : this(SR.GetString(SR.DBDlg_Unbound), null) {
}
public FieldItem(string name, Type type) {
_name = name;
_type = type;
}
public Type Type {
get {
return _type;
}
}
public override string ToString() {
return _name;
}
}
///
///
private class FormatItem {
private static readonly FormatItem nullFormat = new FormatItem(SR.GetString(SR.DBDlg_Fmt_None), String.Empty);
private static readonly FormatItem generalFormat = new FormatItem(SR.GetString(SR.DBDlg_Fmt_General), "{0}");
private static readonly FormatItem dtShortTime = new FormatItem(SR.GetString(SR.DBDlg_Fmt_ShortTime), "{0:t}");
private static readonly FormatItem dtLongTime = new FormatItem(SR.GetString(SR.DBDlg_Fmt_LongTime), "{0:T}");
private static readonly FormatItem dtShortDate = new FormatItem(SR.GetString(SR.DBDlg_Fmt_ShortDate), "{0:d}");
private static readonly FormatItem dtLongDate = new FormatItem(SR.GetString(SR.DBDlg_Fmt_LongDate), "{0:D}");
private static readonly FormatItem dtDateTime = new FormatItem(SR.GetString(SR.DBDlg_Fmt_DateTime), "{0:g}");
private static readonly FormatItem dtFullDate = new FormatItem(SR.GetString(SR.DBDlg_Fmt_FullDate), "{0:G}");
private static readonly FormatItem numNumber = new FormatItem(SR.GetString(SR.DBDlg_Fmt_Numeric), "{0:N}");
private static readonly FormatItem numDecimal = new FormatItem(SR.GetString(SR.DBDlg_Fmt_Decimal), "{0:D}");
private static readonly FormatItem numFixed = new FormatItem(SR.GetString(SR.DBDlg_Fmt_Fixed), "{0:F}");
private static readonly FormatItem numCurrency = new FormatItem(SR.GetString(SR.DBDlg_Fmt_Currency), "{0:C}");
private static readonly FormatItem numScientific = new FormatItem(SR.GetString(SR.DBDlg_Fmt_Scientific), "{0:E}");
private static readonly FormatItem numHex = new FormatItem(SR.GetString(SR.DBDlg_Fmt_Hexadecimal), "0x{0:X}");
public static readonly FormatItem[] DefaultFormats = new FormatItem[] {
FormatItem.nullFormat,
FormatItem.generalFormat
};
public static readonly FormatItem[] DateTimeFormats = new FormatItem[] {
FormatItem.nullFormat,
FormatItem.generalFormat,
FormatItem.dtShortTime,
FormatItem.dtLongTime,
FormatItem.dtShortDate,
FormatItem.dtLongDate,
FormatItem.dtDateTime,
FormatItem.dtFullDate
};
public static readonly FormatItem[] NumericFormats = new FormatItem[] {
FormatItem.nullFormat,
FormatItem.generalFormat,
FormatItem.numNumber,
FormatItem.numDecimal,
FormatItem.numFixed,
FormatItem.numCurrency,
FormatItem.numScientific,
FormatItem.numHex
};
public static readonly FormatItem[] DecimalFormats = new FormatItem[] {
FormatItem.nullFormat,
FormatItem.generalFormat,
FormatItem.numNumber,
FormatItem.numDecimal,
FormatItem.numFixed,
FormatItem.numCurrency,
FormatItem.numScientific
};
private readonly string _displayText;
private readonly string _format;
private FormatItem(string displayText, string format) {
_displayText = String.Format(CultureInfo.CurrentCulture, displayText, format);
_format = format;
}
public string Format {
get {
return _format;
}
}
public override string ToString() {
return _displayText;
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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- HtmlHead.cs
- DataSourceHelper.cs
- XmlHierarchyData.cs
- OpacityConverter.cs
- WorkflowItemsPresenter.cs
- BlockUIContainer.cs
- Comparer.cs
- TextBounds.cs
- KeyTime.cs
- StylusShape.cs
- ConversionContext.cs
- FacetDescription.cs
- ProxyWebPartConnectionCollection.cs
- NamedObject.cs
- MatrixCamera.cs
- RightsManagementEncryptionTransform.cs
- EventDescriptorCollection.cs
- EmptyControlCollection.cs
- DefaultIfEmptyQueryOperator.cs
- NativeMethods.cs
- ContentControl.cs
- ListViewInsertEventArgs.cs
- TypeSystem.cs
- _ConnectOverlappedAsyncResult.cs
- MergeFilterQuery.cs
- RSACryptoServiceProvider.cs
- Keyboard.cs
- WebPartChrome.cs
- ChannelDemuxer.cs
- MemberAssignmentAnalysis.cs
- TextCollapsingProperties.cs
- WebPartMenu.cs
- BitConverter.cs
- NameTable.cs
- DeclaredTypeValidatorAttribute.cs
- NotifyParentPropertyAttribute.cs
- ExecutionEngineException.cs
- PrimitiveDataContract.cs
- TextElementEnumerator.cs
- ListBox.cs
- ObjectViewFactory.cs
- HealthMonitoringSectionHelper.cs
- ScrollBarRenderer.cs
- SamlAdvice.cs
- BindingNavigatorDesigner.cs
- DuplicateContext.cs
- BaseCodeDomTreeGenerator.cs
- ConcurrentStack.cs
- DeviceContext.cs
- MailBnfHelper.cs
- ResXBuildProvider.cs
- SourceLocationProvider.cs
- Timeline.cs
- EventPropertyMap.cs
- StateDesignerConnector.cs
- DescendentsWalkerBase.cs
- UntrustedRecipientException.cs
- WebPartEditorCancelVerb.cs
- FreezableDefaultValueFactory.cs
- PersonalizationStateInfo.cs
- WebRequestModulesSection.cs
- BypassElement.cs
- StrokeNodeOperations2.cs
- SafeProcessHandle.cs
- WinInet.cs
- TransportContext.cs
- DebugView.cs
- LocalizableResourceBuilder.cs
- SettingsAttributes.cs
- CompiledRegexRunnerFactory.cs
- ChtmlFormAdapter.cs
- HwndStylusInputProvider.cs
- DataGridViewCellCollection.cs
- PathSegment.cs
- RTTrackingProfile.cs
- EngineSiteSapi.cs
- StreamSecurityUpgradeInitiatorBase.cs
- SkewTransform.cs
- MatrixAnimationUsingKeyFrames.cs
- DataGridViewComboBoxEditingControl.cs
- ConfigurationValues.cs
- InvalidOleVariantTypeException.cs
- GrammarBuilderPhrase.cs
- PerformanceCounterManager.cs
- SQLConvert.cs
- ADMembershipProvider.cs
- CompatibleComparer.cs
- DbConnectionPoolIdentity.cs
- Operand.cs
- HwndHostAutomationPeer.cs
- SHA384Managed.cs
- DeleteMemberBinder.cs
- ConfigurationErrorsException.cs
- QueryGenerator.cs
- XmlIlVisitor.cs
- FocusWithinProperty.cs
- UniqueConstraint.cs
- UInt32.cs
- Logging.cs
- DefaultPropertyAttribute.cs