コード例 #1
0
        private void cmdPrincipalRole_SelectedIndexChanged(object sender, EventArgs e)
        {
            AssociationEnd principal = null;
            AssociationEnd dependent = null;
            if (cmdPrincipalRole.SelectedItem == _roleListItems[_end1])
            {
                principal = _end1;
                dependent = _end2;
            }
            else if (cmdPrincipalRole.SelectedItem == _roleListItems[_end2])
            {
                principal = _end2;
                dependent = _end1;
            }

            if (principal == _principal)
            {
                return; // no change
            }

            // remember new choice
            _principal = principal;
            _dependent = dependent;

            if (_dependent == null)
            {
                txtDependentRole.Text = string.Empty;
            }
            else
            {
                txtDependentRole.Text = _dependent.Role.Value;
            }

            // clear our lists
            listMappings.Items.Clear();
            _mappingListItems.Clear();

            cmbDependentKey.Items.Clear();
            _dependentListItems.Clear();

            // user might have chosen the blank row
            if (_principal != null
                && _dependent != null)
            {
                PopulateMappingListItems();
                PopulateListView();
                listMappings.Enabled = true;

                // load dependent role keys into the combo box
                if (_dependent.Type.Target != null)
                {
                    cmbDependentKey.Items.Add(_blankDependentKeyListItem);

                    foreach (var key in GetMappableDependentProperties())
                    {
                        var item = new KeyListItem(key.NormalizedName);
                        _dependentListItems.Add(key.NormalizedName, item);

                        cmbDependentKey.Items.Add(item);
                    }

                    // in the SSDL, ref constraints can be to non-key columns
                    if (_association.EntityModel.IsCSDL == false)
                    {
                        foreach (var prop in _dependent.Type.Target.Properties())
                        {
                            if (prop.IsKeyProperty)
                            {
                                continue;
                            }

                            var item = new KeyListItem(prop.NormalizedName);
                            _dependentListItems.Add(prop.NormalizedName, item);

                            cmbDependentKey.Items.Add(item);
                        }
                    }
                }
                cmbDependentKey.Enabled = true;

                // select the first row
                if (listMappings.Items.Count > 0)
                {
                    listMappings.Focus();

                    var lvItem = listMappings.Items[0];
                    lvItem.Selected = true;
                    ShowDependencyKeyComboBox(lvItem);
                }
            }
            else
            {
                listMappings.Enabled = false;
                cmbDependentKey.Enabled = false;
                ChangeDependencyKeyComboBoxVisibility(false);
            }
        }
コード例 #2
0
        private void cmdPrincipalRole_SelectedIndexChanged(object sender, EventArgs e)
        {
            AssociationEnd principal = null;
            AssociationEnd dependent = null;

            if (cmdPrincipalRole.SelectedItem == _roleListItems[_end1])
            {
                principal = _end1;
                dependent = _end2;
            }
            else if (cmdPrincipalRole.SelectedItem == _roleListItems[_end2])
            {
                principal = _end2;
                dependent = _end1;
            }

            if (principal == _principal)
            {
                return; // no change
            }

            // remember new choice
            _principal = principal;
            _dependent = dependent;

            if (_dependent == null)
            {
                txtDependentRole.Text = string.Empty;
            }
            else
            {
                txtDependentRole.Text = _dependent.Role.Value;
            }

            // clear our lists
            listMappings.Items.Clear();
            _mappingListItems.Clear();

            cmbDependentKey.Items.Clear();
            _dependentListItems.Clear();

            // user might have chosen the blank row
            if (_principal != null &&
                _dependent != null)
            {
                PopulateMappingListItems();
                PopulateListView();
                listMappings.Enabled = true;

                // load dependent role keys into the combo box
                if (_dependent.Type.Target != null)
                {
                    cmbDependentKey.Items.Add(_blankDependentKeyListItem);

                    foreach (var key in GetMappableDependentProperties())
                    {
                        var item = new KeyListItem(key.NormalizedName);
                        _dependentListItems.Add(key.NormalizedName, item);

                        cmbDependentKey.Items.Add(item);
                    }

                    // in the SSDL, ref constraints can be to non-key columns
                    if (_association.EntityModel.IsCSDL == false)
                    {
                        foreach (var prop in _dependent.Type.Target.Properties())
                        {
                            if (prop.IsKeyProperty)
                            {
                                continue;
                            }

                            var item = new KeyListItem(prop.NormalizedName);
                            _dependentListItems.Add(prop.NormalizedName, item);

                            cmbDependentKey.Items.Add(item);
                        }
                    }
                }
                cmbDependentKey.Enabled = true;

                // select the first row
                if (listMappings.Items.Count > 0)
                {
                    listMappings.Focus();

                    var lvItem = listMappings.Items[0];
                    lvItem.Selected = true;
                    ShowDependencyKeyComboBox(lvItem);
                }
            }
            else
            {
                listMappings.Enabled    = false;
                cmbDependentKey.Enabled = false;
                ChangeDependencyKeyComboBoxVisibility(false);
            }
        }