/// <summary>
/// Enable or disable some buttons according to current status/values of controls
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ViewFiltersForm_MouseMove(object sender, MouseEventArgs e)
{
// Enable and disable some buttons:
// . If current selected parameter in rulesListBox equals to parameter in Parameter ComboBox:
// Update/Delete is allowed; Otherwise, New and delete is allowed.
// . If rulesListBox has no any rule, only New button is allowed
FilterRuleBuilder currentRule = GetCurrentRuleData();
if (null == currentRule)
{
updateButton.Enabled = deleRuleButton.Enabled = false;
if (!HasFilterData() || null == paramerComboBox.SelectedItem ||
(paramerComboBox.SelectedItem as String) == m_noneParam)
{
newRuleButton.Enabled = false;
}
else
{
newRuleButton.Enabled = true;
}
}
else
{
BuiltInParameter selParam = currentRule.Parameter;
BuiltInParameter selComboxParam = EnumParseUtility <BuiltInParameter> .Parse(paramerComboBox.SelectedItem as String);
bool paramEquals = (selParam == selComboxParam);
//
// new button is available only when user select new parameter
newRuleButton.Enabled = !paramEquals;
updateButton.Enabled = deleRuleButton.Enabled = paramEquals;
}
}
/// <summary>
/// Update change rule criteria and values for current filter rule
/// Filter criteria and values won't be changed until you click this button.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void updateButton_Click(object sender, EventArgs e)
{
FilterRuleBuilder currentRule = GetCurrentRuleData();
if (null == currentRule)
{
return;
}
BuiltInParameter selParam = currentRule.Parameter;
FilterRuleBuilder newRule = CreateNewFilterRule(selParam);
if (null == newRule)
{
return;
}
int oldRuleIndex = GetCurrentRuleDataIndex();
if (oldRuleIndex > m_currentFilterData.RuleData.Count)
{
return;
}
//
// Update rule value
m_currentFilterData.RuleData[oldRuleIndex] = newRule;
}
/// <summary>
/// Create one new rule
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void newRuleButton_Click(object sender, EventArgs e)
{
if (!HasFilterData() || paramerComboBox.SelectedText == m_noneParam)
{
return;
}
//
// check if rule value is specified or exist
BuiltInParameter curParam = EnumParseUtility <BuiltInParameter> .Parse(paramerComboBox.SelectedItem as String);
if (ParameterAlreadyExist(curParam))
{
MyMessageBox("Filter rule for this parameter already exists, no sense to add new rule for this parameter again.");
return;
}
FilterRuleBuilder newRule = CreateNewFilterRule(curParam);
if (null == newRule)
{
return;
}
//
// Create and reserve this rule and reset controls
m_currentFilterData.RuleData.Add(newRule);
String ruleName = String.Format(String.Format("{0} {1}", m_ruleNamePrefix, rulesListBox.Items.Count + 1));
rulesListBox.Items.Add(ruleName);
rulesListBox.SelectedIndex = rulesListBox.Items.Count - 1;
rulesListBox.Enabled = true;
ViewFiltersForm_MouseMove(null, null);
}
/// <summary>
/// Select parameter for current filter rule
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void paramerComboBox_SelectedIndexChanged(object sender, EventArgs e)
{
// Get criteria for selected parameter and reset rule criteria and rule values
String selectItem = paramerComboBox.SelectedItem.ToString();
bool isNone = (selectItem == m_noneParam);
criteriaComboBox.Enabled = ruleValueComboBox.Enabled = newRuleButton.Enabled = !isNone;
if (isNone)// is (none) selected
{
ResetControlByParamType(StorageType.None);
return;
}
//
// Check to see if this parameter is in use:
// Switch to this parameter if parameter is in use, and reset controls with criteria and value for this parameter.
BuiltInParameter curParam = EnumParseUtility <BuiltInParameter> .Parse(selectItem);
StorageType paramType = m_doc.get_TypeOfStorage(curParam);
ResetControlByParamType(paramType);
ParameterInUse(curParam);
//
// New parameter was selected, reset controls with new criteria
ICollection <String> possibleCritias = RuleCriteraNames.Criterions(paramType);
criteriaComboBox.Items.Clear();
foreach (String criteria in possibleCritias)
{
criteriaComboBox.Items.Add(criteria);
}
//
// Display parameter values for current filter rule,
// If current selected parameter equal to current filter rule's, reset controls with rule data
FilterRuleBuilder currentRule = GetCurrentRuleData();
if (null != currentRule && currentRule.Parameter == curParam)
{
criteriaComboBox.SelectedItem = currentRule.RuleCriteria;
ruleValueComboBox.Text = currentRule.RuleValue;
caseSensitiveCheckBox.Checked = currentRule.CaseSensitive;
epsilonTextBox.Text = String.Format("{0:N6}", currentRule.Epsilon);
}
else
{
// set with default value
criteriaComboBox.SelectedIndex = 0;
ruleValueComboBox.Text = String.Empty;
caseSensitiveCheckBox.Checked = false;
epsilonTextBox.Text = "0.0";
}
}
/// <summary>
/// Select one filter rule
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void rulesListBox_SelectedIndexChanged(object sender, EventArgs e)
{
// do nothing if no any filter yet
if (!HasFilterData())
{
return;
}
//
// Change parameter for selected filter rule
FilterRuleBuilder currentRule = GetCurrentRuleData();
if (null == currentRule)
{
return;
}
String paramName = EnumParseUtility <BuiltInParameter> .Parse(currentRule.Parameter);
paramerComboBox.SelectedItem = paramName;
}
/// <summary>
/// Initialize filter data with existing view filters
/// </summary>
void InitializeFilterData()
{
// Get all existing filters
ICollection <ParameterFilterElement> filters = FiltersUtil.GetViewFilters(m_doc);
foreach (ParameterFilterElement filter in filters)
{
// get all data of current filter and create my FilterData
ICollection <ElementId> catIds = filter.GetCategories();
ICollection <ElementId> paramIds = filter.GetRuleParameters();
ICollection <FilterRule> rules = filter.GetRules();
if (paramIds.Count != rules.Count)
{
return;
}
//
// create filter rule data now
List <FilterRuleBuilder> ruleDataSet = new List <FilterRuleBuilder>();
IEnumerator <ElementId> paramIter = paramIds.GetEnumerator();
paramIter.Reset();
foreach (FilterRule rule in rules)
{
paramIter.MoveNext();
FilterRuleBuilder ruleData = FiltersUtil.CreateFilterRuleBuilder(
(BuiltInParameter)paramIter.Current.IntegerValue, rule);
ruleDataSet.Add(ruleData);
}
//
// Create Filter data
FilterData filterData = new FilterData(m_doc, catIds, ruleDataSet);
m_dictFilters.Add(filter.Name, filterData);
//
// also add to control
filtersListBox.Items.Add(filter.Name);
}
}