static internal string GetRuleSetPreview(RuleSet ruleSet)
{
StringBuilder preview = new StringBuilder();
bool first = true;
if (ruleSet != null)
{
foreach (Rule rule in ruleSet.Rules)
{
if (first)
{
first = false;
}
else
{
preview.Append("\n");
}
preview.Append(rule.Name);
preview.Append(": ");
preview.Append(DesignerHelpers.GetRulePreview(rule));
}
}
return(preview.ToString());
}
private void elseTextBox_Validating(object sender, CancelEventArgs e)
{
if (this.rulesListView.SelectedItems.Count == 0)
{
return;
}
try
{
Rule rule = (Rule)this.rulesListView.SelectedItems[0].Tag;
List <RuleAction> ruleElseActions = this.ruleParser.ParseStatementList(this.elseTextBox.Text);
this.elseTextBox.Text = GetActionsString(ruleElseActions);
rule.ElseActions.Clear();
foreach (RuleAction ruleAction in ruleElseActions)
{
rule.ElseActions.Add(ruleAction);
}
UpdateItem(this.rulesListView.SelectedItems[0], rule);
elseErrorProvider.SetError(this.elseTextBox, string.Empty);
}
catch (Exception ex)
{
elseErrorProvider.SetError(this.elseTextBox, ex.Message);
DesignerHelpers.DisplayError(Messages.Error_ActionsParser + "\n" + ex.Message, this.Text, this.serviceProvider);
e.Cancel = true;
}
}
private void nameTextBox_Validating(object sender, CancelEventArgs e)
{
if (this.rulesListView.SelectedItems.Count > 0)
{
Rule rule = this.rulesListView.SelectedItems[0].Tag as Rule;
if (this.nameTextBox.Text != rule.Name)
{
string ruleName = this.nameTextBox.Text;
if (string.IsNullOrEmpty(ruleName))
{
e.Cancel = true;
DesignerHelpers.DisplayError(Messages.Error_RuleNameIsEmpty, this.Text, this.serviceProvider);
}
else if (rule.Name == ruleName)
{
this.nameTextBox.Text = ruleName;
}
else if (!IsUniqueIdentifier(ruleName))
{
e.Cancel = true;
DesignerHelpers.DisplayError(Messages.Error_DuplicateRuleName, this.Text, this.serviceProvider);
}
else
{
rule.Name = ruleName;
UpdateItem(this.rulesListView.SelectedItems[0], rule);
}
}
}
}
private void conditionTextBox_Validating(object sender, CancelEventArgs e)
{
if (this.rulesListView.SelectedItems.Count == 0)
{
return;
}
try
{
Rule rule = this.rulesListView.SelectedItems[0].Tag as Rule;
RuleCondition ruleCondition = this.ruleParser.ParseCondition(this.conditionTextBox.Text);
rule.Condition = ruleCondition;
if (!string.IsNullOrEmpty(this.conditionTextBox.Text))
{
this.conditionTextBox.Text = ruleCondition.ToString().Replace("\n", "\r\n");
}
UpdateItem(this.rulesListView.SelectedItems[0], rule);
conditionErrorProvider.SetError(this.conditionTextBox, string.Empty);
}
catch (Exception ex)
{
conditionErrorProvider.SetError(this.conditionTextBox, ex.Message);
DesignerHelpers.DisplayError(Messages.Error_ConditionParser + "\n" + ex.Message, this.Text, this.serviceProvider);
e.Cancel = true;
}
}
private void UpdateItem(ListViewItem listViewItem, Rule rule)
{
listViewItem.SubItems[0].Text = rule.Name;
listViewItem.SubItems[1].Text = rule.Priority.ToString(CultureInfo.CurrentCulture);
listViewItem.SubItems[2].Text = (string)this.reevaluationComboBox.Items[(int)rule.ReevaluationBehavior];
listViewItem.SubItems[3].Text = rule.Active.ToString(CultureInfo.CurrentCulture);
listViewItem.SubItems[4].Text = DesignerHelpers.GetRulePreview(rule);
}
protected override void UpdatePreview(TextBox previewBox, object ruleObject)
{
RuleSet ruleSet = ruleObject as RuleSet;
NativeMethods.SendMessage(previewBox.Handle, NativeMethods.WM_SETREDRAW, IntPtr.Zero, IntPtr.Zero);
previewBox.Lines = DesignerHelpers.GetRuleSetPreview(ruleSet).Split('\n');
NativeMethods.SendMessage(previewBox.Handle, NativeMethods.WM_SETREDRAW, new IntPtr(1), IntPtr.Zero);
previewBox.Invalidate();
}
protected override void UpdatePreview(TextBox previewBox, object ruleObject)
{
RuleSet ruleSet = ruleObject as RuleSet;
System.Workflow.Activities.Common.NativeMethods.SendMessage(previewBox.Handle, 11, IntPtr.Zero, IntPtr.Zero);
previewBox.Lines = DesignerHelpers.GetRuleSetPreview(ruleSet).Split(new char[] { '\n' });
System.Workflow.Activities.Common.NativeMethods.SendMessage(previewBox.Handle, 11, new IntPtr(1), IntPtr.Zero);
previewBox.Invalidate();
}
public override object EditValue(ITypeDescriptorContext typeDescriptorContext, IServiceProvider serviceProvider, object o)
{
if (typeDescriptorContext == null)
{
throw new ArgumentNullException("typeDescriptorContext");
}
if (serviceProvider == null)
{
throw new ArgumentNullException("serviceProvider");
}
object obj2 = o;
RuleConditionReference instance = typeDescriptorContext.Instance as RuleConditionReference;
if (((instance == null) || (instance.ConditionName == null)) || (instance.ConditionName.Length <= 0))
{
throw new ArgumentException(Messages.ConditionNameNotSet);
}
Activity component = null;
IReferenceService service = serviceProvider.GetService(typeof(IReferenceService)) as IReferenceService;
if (service != null)
{
component = service.GetComponent(typeDescriptorContext.Instance) as Activity;
}
RuleConditionCollection conditions = null;
RuleDefinitions definitions = ConditionHelper.Load_Rules_DT(serviceProvider, Helpers.GetRootActivity(component));
if (definitions != null)
{
conditions = definitions.Conditions;
}
if ((conditions != null) && !conditions.Contains(instance.ConditionName))
{
throw new ArgumentException(string.Format(CultureInfo.CurrentCulture, Messages.ConditionNotFound, new object[] { instance.ConditionName }));
}
this.editorService = (IWindowsFormsEditorService)serviceProvider.GetService(typeof(IWindowsFormsEditorService));
if (this.editorService != null)
{
CodeExpression expression = typeDescriptorContext.PropertyDescriptor.GetValue(typeDescriptorContext.Instance) as CodeExpression;
try
{
using (RuleConditionDialog dialog = new RuleConditionDialog(component, expression))
{
if (DialogResult.OK == this.editorService.ShowDialog(dialog))
{
obj2 = dialog.Expression;
}
}
}
catch (NotSupportedException)
{
DesignerHelpers.DisplayError(Messages.Error_ExpressionNotSupported, Messages.ConditionEditor, serviceProvider);
}
}
return(obj2);
}
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
RuleSet ruleSet = value as RuleSet;
if ((destinationType == typeof(string)) && (ruleSet != null))
{
return(DesignerHelpers.GetRuleSetPreview(ruleSet));
}
return(base.ConvertTo(context, culture, value, destinationType));
}
private void RuleConditionDialog_FormClosing(object sender, FormClosingEventArgs e)
{
if (wasOKed && syntaxException != null)
{
e.Cancel = true;
DesignerHelpers.DisplayError(Messages.Error_ConditionParser + "\n" + syntaxException.Message, this.Text, this.serviceProvider);
if (syntaxException is RuleSyntaxException)
{
this.conditionTextBox.SelectionStart = ((RuleSyntaxException)syntaxException).Position;
}
this.conditionTextBox.SelectionLength = 0;
this.conditionTextBox.ScrollToCaret();
wasOKed = false;
}
}
private void priorityTextBox_Validating(object sender, CancelEventArgs e)
{
if (this.rulesListView.SelectedItems.Count > 0)
{
Rule rule = this.rulesListView.SelectedItems[0].Tag as Rule;
try
{
rule.Priority = int.Parse(this.priorityTextBox.Text, CultureInfo.CurrentCulture);
UpdateItem(this.rulesListView.SelectedItems[0], rule);
}
catch
{
e.Cancel = true;
DesignerHelpers.DisplayError(Messages.Error_InvalidPriority, this.Text, this.serviceProvider);
}
}
}
private void OnDelete(object sender, EventArgs e)
{
MessageBoxOptions mbo = (MessageBoxOptions)0;
if (CultureInfo.CurrentUICulture.TextInfo.IsRightToLeft)
{
mbo = MessageBoxOptions.RightAlign | MessageBoxOptions.RtlReading;
}
DialogResult dr = MessageBox.Show(this, this.ConfirmDeleteMessageText, this.ConfirmDeleteTitleText,
MessageBoxButtons.OKCancel, MessageBoxIcon.Question, MessageBoxDefaultButton.Button1, mbo);
if (dr == DialogResult.OK)
{
using (new WaitCursor())
{
object ruleObject = this.rulesListView.SelectedItems[0].Tag;
try
{
this.OnComponentChanging();
int selectionIndex = this.rulesListView.SelectedIndices[0];
object selectedRuleObject = null;
OnDeleteInternal(ruleObject);
this.rulesListView.Items.RemoveAt(selectionIndex);
if (this.rulesListView.Items.Count > 0)
{
int newSelectionIndex = Math.Min(selectionIndex, this.rulesListView.Items.Count - 1);
this.rulesListView.Items[newSelectionIndex].Selected = true;
selectedRuleObject = this.rulesListView.Items[newSelectionIndex].Tag;
}
this.UpdatePreview(this.previewRichTextBox, selectedRuleObject);
this.OnComponentChanged();
}
catch (InvalidOperationException ex)
{
DesignerHelpers.DisplayError(ex.Message, this.Text, this.activity.Site);
}
}
}
}
private void OnRename(object sender, EventArgs e)
{
try
{
this.OnComponentChanging();
object tag = this.rulesListView.SelectedItems[0].Tag;
string str = this.OnRenameInternal(tag);
if (str != null)
{
using (new WaitCursor())
{
ListViewItem item = this.rulesListView.SelectedItems[0];
item.Text = str;
this.OnComponentChanged();
}
}
}
catch (InvalidOperationException exception)
{
DesignerHelpers.DisplayError(exception.Message, this.Text, this.activity.Site);
}
}
private void OnNew(object sender, EventArgs e)
{
try
{
this.OnComponentChanging();
object ruleObject = this.OnNewInternal();
if (ruleObject != null)
{
using (new WaitCursor())
{
ListViewItem listViewItem = this.rulesListView.Items.Add(new ListViewItem());
this.UpdateListViewItem(ruleObject, listViewItem);
listViewItem.Selected = true;
this.OnComponentChanged();
}
}
}
catch (InvalidOperationException exception)
{
DesignerHelpers.DisplayError(exception.Message, this.Text, this.activity.Site);
}
}
private void OnEdit(object sender, EventArgs e)
{
try
{
this.OnComponentChanging();
object updatedRuleObject = null;
object tag = this.rulesListView.SelectedItems[0].Tag;
if (this.OnEditInternal(tag, out updatedRuleObject))
{
using (new WaitCursor())
{
this.UpdateListViewItem(updatedRuleObject, this.rulesListView.SelectedItems[0]);
this.UpdatePreview(this.previewRichTextBox, updatedRuleObject);
this.OnComponentChanged();
}
}
}
catch (InvalidOperationException exception)
{
DesignerHelpers.DisplayError(exception.Message, this.Text, this.activity.Site);
}
}
public override object EditValue(ITypeDescriptorContext typeDescriptorContext, IServiceProvider serviceProvider, object o)
{
if (typeDescriptorContext == null)
{
throw new ArgumentNullException("typeDescriptorContext");
}
if (serviceProvider == null)
{
throw new ArgumentNullException("serviceProvider");
}
object returnVal = o;
// Do not allow editing expression if the name is not set.
RuleConditionReference conditionDeclaration = typeDescriptorContext.Instance as RuleConditionReference;
if (conditionDeclaration == null || conditionDeclaration.ConditionName == null || conditionDeclaration.ConditionName.Length <= 0)
{
throw new ArgumentException(Messages.ConditionNameNotSet);
}
Activity baseActivity = null;
IReferenceService rs = serviceProvider.GetService(typeof(IReferenceService)) as IReferenceService;
if (rs != null)
{
baseActivity = rs.GetComponent(typeDescriptorContext.Instance) as Activity;
}
RuleConditionCollection conditionDefinitions = null;
RuleDefinitions rules = ConditionHelper.Load_Rules_DT(serviceProvider, Helpers.GetRootActivity(baseActivity));
if (rules != null)
{
conditionDefinitions = rules.Conditions;
}
if (conditionDefinitions != null && !conditionDefinitions.Contains(conditionDeclaration.ConditionName))
{
string message = string.Format(CultureInfo.CurrentCulture, Messages.ConditionNotFound, conditionDeclaration.ConditionName);
throw new ArgumentException(message);
}
this.editorService = (IWindowsFormsEditorService)serviceProvider.GetService(typeof(IWindowsFormsEditorService));
if (editorService != null)
{
CodeExpression experssion = typeDescriptorContext.PropertyDescriptor.GetValue(typeDescriptorContext.Instance) as CodeExpression;
try
{
using (RuleConditionDialog dlg = new RuleConditionDialog(baseActivity, experssion))
{
if (DialogResult.OK == editorService.ShowDialog(dlg))
{
returnVal = dlg.Expression;
}
}
}
catch (NotSupportedException)
{
DesignerHelpers.DisplayError(Messages.Error_ExpressionNotSupported, Messages.ConditionEditor, serviceProvider);
}
}
return(returnVal);
}
