/*
* Copyright 2012 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.drools.workbench.screens.guided.rule.client.editor;
import java.util.Date;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import com.google.gwt.event.dom.client.ChangeEvent;
import com.google.gwt.event.dom.client.ChangeHandler;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.dom.client.KeyUpEvent;
import com.google.gwt.event.dom.client.KeyUpHandler;
import com.google.gwt.event.logical.shared.ValueChangeEvent;
import com.google.gwt.event.logical.shared.ValueChangeHandler;
import com.google.gwt.event.shared.EventBus;
import com.google.gwt.user.client.Command;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HasVerticalAlignment;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.ListBox;
import com.google.gwt.user.client.ui.Panel;
import com.google.gwt.user.client.ui.SimplePanel;
import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.Widget;
import org.drools.workbench.models.datamodel.oracle.DataType;
import org.drools.workbench.models.datamodel.oracle.DropDownData;
import org.drools.workbench.models.datamodel.oracle.OperatorsOracle;
import org.drools.workbench.models.datamodel.rule.BaseSingleFieldConstraint;
import org.drools.workbench.models.datamodel.rule.CompositeFieldConstraint;
import org.drools.workbench.models.datamodel.rule.ConnectiveConstraint;
import org.drools.workbench.models.datamodel.rule.ExpressionFormLine;
import org.drools.workbench.models.datamodel.rule.FieldConstraint;
import org.drools.workbench.models.datamodel.rule.HasOperator;
import org.drools.workbench.models.datamodel.rule.RuleModel;
import org.drools.workbench.models.datamodel.rule.SingleFieldConstraint;
import org.drools.workbench.models.datamodel.rule.SingleFieldConstraintEBLeftSide;
import org.drools.workbench.screens.guided.rule.client.editor.events.TemplateVariablesChangedEvent;
import org.drools.workbench.screens.guided.rule.client.editor.util.ConstraintValueEditorHelper;
import org.drools.workbench.screens.guided.rule.client.resources.GuidedRuleEditorResources;
import org.drools.workbench.screens.guided.rule.client.resources.images.GuidedRuleEditorImages508;
import org.drools.workbench.screens.guided.rule.client.widget.EnumDropDown;
import org.drools.workbench.screens.guided.rule.client.widget.ExpressionBuilder;
import org.guvnor.common.services.workingset.client.WorkingSetManager;
import org.guvnor.common.services.workingset.client.factconstraints.customform.CustomFormConfiguration;
import org.jboss.errai.ioc.client.container.IOC;
import org.kie.workbench.common.widgets.client.datamodel.AsyncPackageDataModelOracle;
import org.kie.workbench.common.widgets.client.datamodel.CEPOracle;
import org.kie.workbench.common.widgets.client.widget.PopupDatePicker;
import org.kie.workbench.common.widgets.client.widget.TextBoxFactory;
import org.uberfire.client.callbacks.Callback;
import org.uberfire.client.common.DirtyableComposite;
import org.uberfire.client.common.DropDownValueChanged;
import org.uberfire.client.common.FormStylePopup;
import org.uberfire.client.common.InfoPopup;
import org.uberfire.client.common.SmallLabel;
/**
* This is an editor for constraint values. How this behaves depends on the
* constraint value type. When the constraint value has no type, it will allow
* the user to choose the first time.
*/
public class ConstraintValueEditor
extends DirtyableComposite {
private final ConstraintValueEditorHelper helper;
private WorkingSetManager workingSetManager = null;
private String factType;
private CompositeFieldConstraint constraintList;
private String fieldName;
private String fieldType;
private final AsyncPackageDataModelOracle oracle;
private final BaseSingleFieldConstraint constraint;
private final Panel panel = new SimplePanel();
private final RuleModel model;
private final RuleModeller modeller;
private final EventBus eventBus;
private DropDownData dropDownData;
private boolean readOnly;
private Command onValueChangeCommand;
private Command onTemplateValueChangeCommand;
private boolean isDropDownDataEnum;
private Widget constraintWidget = null;
private AddConstraintButton addConstraintButton = new AddConstraintButton(
new ClickHandler() {
public void onClick( ClickEvent event ) {
showTypeChoice( (Widget) event.getSource(),
constraint );
}
} );
public ConstraintValueEditor( BaseSingleFieldConstraint con,
CompositeFieldConstraint constraintList,
RuleModeller modeller,
EventBus eventBus,
boolean readOnly ) {
this.constraint = con;
this.constraintList = constraintList;
this.oracle = modeller.getDataModelOracle();
this.model = modeller.getModel();
this.modeller = modeller;
this.eventBus = eventBus;
this.readOnly = readOnly;
setUpConstraint();
helper = new ConstraintValueEditorHelper( model, oracle, factType, fieldName, constraint, fieldType, dropDownData );
refreshEditor();
initWidget( panel );
}
private void setUpConstraint() {
if ( constraint instanceof SingleFieldConstraintEBLeftSide ) {
setUpSingleFieldConstraintEBLeftSide( (SingleFieldConstraintEBLeftSide) constraint );
} else if ( constraint instanceof ConnectiveConstraint ) {
setUpConnectiveConstraint( (ConnectiveConstraint) constraint );
} else if ( constraint instanceof SingleFieldConstraint ) {
setUpSingleFieldConstraint( (SingleFieldConstraint) constraint );
}
}
private void setUpSingleFieldConstraint( SingleFieldConstraint sfc ) {
this.factType = sfc.getFactType();
this.fieldName = sfc.getFieldName();
this.fieldType = oracle.getFieldType( factType,
fieldName );
}
private void setUpConnectiveConstraint( ConnectiveConstraint cc ) {
this.factType = cc.getFactType();
this.fieldName = cc.getFieldName();
this.fieldType = cc.getFieldType();
}
private void setUpSingleFieldConstraintEBLeftSide( SingleFieldConstraintEBLeftSide sfexp ) {
this.factType = sfexp.getExpressionLeftSide().getPreviousGenericType();
if ( this.factType == null ) {
this.factType = sfexp.getExpressionLeftSide().getGenericType();
}
this.fieldName = sfexp.getExpressionLeftSide().getFieldName();
this.fieldType = sfexp.getExpressionLeftSide().getGenericType();
}
public BaseSingleFieldConstraint getConstraint() {
return constraint;
}
public void refreshEditor() {
panel.clear();
constraintWidget = null;
//Expressions' fieldName and hence fieldType can change without creating a new ConstraintValueEditor.
//SingleFieldConstraints and their ConnectiveConstraints cannot have the fieldName or fieldType changed
//without first deleting and re-creating.
if ( this.constraint instanceof SingleFieldConstraintEBLeftSide ) {
setUpSingleFieldConstraintEBLeftSide( (SingleFieldConstraintEBLeftSide) this.constraint );
}
//Initialise drop-down data
getDropDownData();
//Show an editor for the constraint value type
if ( constraint.getConstraintValueType() == SingleFieldConstraint.TYPE_UNDEFINED ) {
addAddConstraintButton();
} else {
addConstraintWidget();
}
panel.add( constraintWidget );
}
private void addConstraintWidget() {
switch ( constraint.getConstraintValueType() ) {
case SingleFieldConstraint.TYPE_LITERAL:
case SingleFieldConstraint.TYPE_ENUM:
constraintWidget = wrap( literalEditor() );
break;
case SingleFieldConstraint.TYPE_RET_VALUE:
constraintWidget = wrap( returnValueEditor() );
break;
case SingleFieldConstraint.TYPE_EXPR_BUILDER_VALUE:
constraintWidget = wrap( expressionEditor() );
break;
case SingleFieldConstraint.TYPE_VARIABLE:
constraintWidget = wrap( variableEditor() );
break;
case BaseSingleFieldConstraint.TYPE_TEMPLATE:
constraintWidget = wrap( templateKeyEditor() );
break;
default:
break;
}
}
private void addAddConstraintButton() {
addConstraintButton.setEnabled( !this.readOnly );
constraintWidget = addConstraintButton;
}
public void showError() {
addConstraintButton.showError();
}
public void hideError() {
addConstraintButton.hideError();
}
//Wrap a Constraint Value Editor with an icon to remove the type
private Widget wrap( Widget widget ) {
if ( this.readOnly ) {
return widget;
}
HorizontalPanel wrapper = new HorizontalPanel();
Image clear = GuidedRuleEditorImages508.INSTANCE.DeleteItemSmall();
clear.setTitle( GuidedRuleEditorResources.CONSTANTS.RemoveConstraintValueDefinition() );
clear.addClickHandler( new ClickHandler() {
public void onClick( ClickEvent event ) {
//Reset Constraint's value and value type
if ( Window.confirm( GuidedRuleEditorResources.CONSTANTS.RemoveConstraintValueDefinitionQuestion() ) ) {
constraint.setConstraintValueType( BaseSingleFieldConstraint.TYPE_UNDEFINED );
constraint.setValue( null );
constraint.clearParameters();
constraint.setExpressionValue( new ExpressionFormLine() );
doTypeChosen();
}
}
} );
wrapper.add( widget );
if ( !this.readOnly ) {
wrapper.add( clear );
wrapper.setCellVerticalAlignment( clear,
HasVerticalAlignment.ALIGN_MIDDLE );
}
return wrapper;
}
private String assertValue() {
if ( constraint.getValue() == null ) {
return "";
}
return constraint.getValue();
}
private Widget literalEditor() {
//Custom screen
if ( this.constraint instanceof SingleFieldConstraint ) {
final SingleFieldConstraint con = (SingleFieldConstraint) this.constraint;
CustomFormConfiguration customFormConfiguration = getWorkingSetManager().getCustomFormConfiguration( modeller.getPath(),
factType,
fieldName );
if ( customFormConfiguration != null ) {
Button btnCustom = new Button( con.getValue(),
new ClickHandler() {
public void onClick( ClickEvent event ) {
showTypeChoice( (Widget) event.getSource(),
constraint );
}
} );
btnCustom.setEnabled( !this.readOnly );
return btnCustom;
}
}
//Label if read-only
if ( this.readOnly ) {
return new SmallLabel( assertValue() );
}
//Enumeration (these support multi-select for "in" and "not in", so check before comma separated lists)
if ( this.dropDownData != null ) {
final String operator = constraint.getOperator();
final boolean multipleSelect = OperatorsOracle.operatorRequiresList( operator );
EnumDropDown enumDropDown = new EnumDropDown( constraint.getValue(),
new DropDownValueChanged() {
public void valueChanged( String newText,
String newValue ) {
//Prevent recursion once value change has been applied
if ( !newValue.equals( constraint.getValue() ) ) {
constraint.setValue( newValue );
executeOnValueChangeCommand();
makeDirty();
}
}
},
dropDownData,
multipleSelect );
return enumDropDown;
}
//Comma separated value list (this will become a dedicated Widget but for now a TextBox suffices)
String operator = null;
if ( this.constraint instanceof SingleFieldConstraint ) {
SingleFieldConstraint sfc = (SingleFieldConstraint) this.constraint;
operator = sfc.getOperator();
}
if ( OperatorsOracle.operatorRequiresList( operator ) ) {
final TextBox box = TextBoxFactory.getTextBox( DataType.TYPE_STRING );
box.setStyleName( "constraint-value-Editor" );
box.addValueChangeHandler( new ValueChangeHandler<String>() {
public void onValueChange( final ValueChangeEvent<String> event ) {
constraint.setValue( event.getValue() );
executeOnValueChangeCommand();
makeDirty();
}
} );
box.setText( assertValue() );
attachDisplayLengthHandler( box );
return box;
}
//Date picker
boolean isCEPOperator = CEPOracle.isCEPOperator( ( this.constraint ).getOperator() );
if ( DataType.TYPE_DATE.equals( this.fieldType ) || ( DataType.TYPE_THIS.equals( this.fieldName ) && isCEPOperator ) ) {
if ( this.readOnly ) {
return new SmallLabel( constraint.getValue() );
}
final PopupDatePicker dp = new PopupDatePicker( false );
// Wire up update handler
dp.addValueChangeHandler( new ValueChangeHandler<Date>() {
public void onValueChange( final ValueChangeEvent<Date> event ) {
constraint.setValue( PopupDatePicker.convertToString( event ) );
executeOnValueChangeCommand();
}
} );
dp.setValue( assertValue() );
return dp;
}
//Default editor for all other literals
final TextBox box = TextBoxFactory.getTextBox( fieldType );
box.setStyleName( "constraint-value-Editor" );
box.addValueChangeHandler( new ValueChangeHandler<String>() {
public void onValueChange( final ValueChangeEvent<String> event ) {
constraint.setValue( event.getValue() );
executeOnValueChangeCommand();
makeDirty();
}
} );
box.setText( assertValue() );
attachDisplayLengthHandler( box );
return box;
}
private Widget variableEditor() {
if ( this.readOnly ) {
return new SmallLabel( this.constraint.getValue() );
}
final ListBox box = new ListBox();
box.addItem( GuidedRuleEditorResources.CONSTANTS.Choose() );
List<String> bindingsInScope = this.model.getBoundVariablesInScope( this.constraint );
for ( String var : bindingsInScope ) {
final String binding = var;
helper.isApplicableBindingsInScope( var,
new Callback<Boolean>() {
@Override
public void callback( final Boolean result ) {
if ( Boolean.TRUE.equals( result ) ) {
box.addItem( binding );
if ( ConstraintValueEditor.this.constraint.getValue() != null && ConstraintValueEditor.this.constraint.getValue().equals( binding ) ) {
box.setSelectedIndex( box.getItemCount() - 1 );
}
}
}
} );
}
box.addChangeHandler( new ChangeHandler() {
public void onChange( ChangeEvent event ) {
executeOnValueChangeCommand();
int selectedIndex = box.getSelectedIndex();
if ( selectedIndex > 0 ) {
constraint.setValue( box.getItemText( selectedIndex ) );
} else {
constraint.setValue( null );
}
}
} );
return box;
}
/**
* An editor for the retval "formula" (expression).
*/
private Widget returnValueEditor() {
TextBox box = new BoundTextBox( constraint );
if ( this.readOnly ) {
return new SmallLabel( box.getText() );
}
String msg = GuidedRuleEditorResources.CONSTANTS.FormulaEvaluateToAValue();
Image img = new Image( GuidedRuleEditorResources.INSTANCE.images().functionAssets() );
img.setTitle( msg );
box.setTitle( msg );
box.addValueChangeHandler( new ValueChangeHandler<String>() {
public void onValueChange( final ValueChangeEvent event ) {
executeOnValueChangeCommand();
}
} );
Widget ed = widgets( img,
box );
return ed;
}
private Widget expressionEditor() {
ExpressionBuilder builder = null;
builder = new ExpressionBuilder( this.modeller,
this.eventBus,
this.constraint.getExpressionValue(),
this.readOnly );
builder.addOnModifiedCommand( new Command() {
public void execute() {
executeOnValueChangeCommand();
}
} );
Widget ed = widgets( new HTML( " " ),
builder );
return ed;
}
/**
* An editor for Template Keys
*/
private Widget templateKeyEditor() {
if ( this.readOnly ) {
return new SmallLabel( assertValue() );
}
TemplateKeyTextBox box = new TemplateKeyTextBox();
box.setStyleName( "constraint-value-Editor" );
box.addValueChangeHandler( new ValueChangeHandler<String>() {
@Override
public void onValueChange( final ValueChangeEvent<String> event ) {
constraint.setValue( event.getValue() );
executeOnTemplateValueChangeCommand();
}
} );
//FireEvents as the box could assume a default value
box.setValue( assertValue(),
true );
attachDisplayLengthHandler( box );
return box;
}
//Only display the number of characters that have been entered
private void attachDisplayLengthHandler( final TextBox box ) {
int length = box.getText().length();
box.setVisibleLength( length > 0 ? length : 1 );
box.addKeyUpHandler( new KeyUpHandler() {
public void onKeyUp( KeyUpEvent event ) {
int length = box.getText().length();
box.setVisibleLength( length > 0 ? length : 1 );
}
} );
}
/**
* Show a list of possibilities for the value type.
*/
private void showTypeChoice( Widget w,
final BaseSingleFieldConstraint con ) {
CustomFormConfiguration customFormConfiguration = getWorkingSetManager().getCustomFormConfiguration( modeller.getPath(),
factType,
fieldName );
if ( customFormConfiguration != null ) {
if ( !( con instanceof SingleFieldConstraint ) ) {
Window.alert( "Unexpected constraint type!" );
return;
}
final CustomFormPopUp customFormPopUp = new CustomFormPopUp( GuidedRuleEditorImages508.INSTANCE.Wizard(),
GuidedRuleEditorResources.CONSTANTS.FieldValue(),
customFormConfiguration );
final SingleFieldConstraint sfc = (SingleFieldConstraint) con;
customFormPopUp.addOkButtonHandler( new ClickHandler() {
public void onClick( ClickEvent event ) {
sfc.setConstraintValueType( SingleFieldConstraint.TYPE_LITERAL );
sfc.setId( customFormPopUp.getFormId() );
sfc.setValue( customFormPopUp.getFormValue() );
doTypeChosen( customFormPopUp );
}
} );
customFormPopUp.show( sfc.getId(),
sfc.getValue() );
return;
}
final FormStylePopup form = new FormStylePopup( GuidedRuleEditorImages508.INSTANCE.Wizard(),
GuidedRuleEditorResources.CONSTANTS.FieldValue() );
Button lit = new Button( GuidedRuleEditorResources.CONSTANTS.LiteralValue() );
lit.addClickHandler( new ClickHandler() {
public void onClick( ClickEvent event ) {
con.setConstraintValueType( isDropDownDataEnum && dropDownData != null ? SingleFieldConstraint.TYPE_ENUM : SingleFieldConstraint.TYPE_LITERAL );
doTypeChosen( form );
}
} );
boolean showLiteralSelector = true;
boolean showFormulaSelector = !OperatorsOracle.operatorRequiresList( con.getOperator() );
boolean showVariableSelector = !OperatorsOracle.operatorRequiresList( con.getOperator() );
boolean showExpressionSelector = !OperatorsOracle.operatorRequiresList( con.getOperator() );
if ( con instanceof SingleFieldConstraint ) {
SingleFieldConstraint sfc = (SingleFieldConstraint) con;
String fieldName = sfc.getFieldName();
if ( fieldName.equals( DataType.TYPE_THIS ) ) {
showLiteralSelector = CEPOracle.isCEPOperator( sfc.getOperator() );
showFormulaSelector = showFormulaSelector && showLiteralSelector;
}
} else if ( con instanceof ConnectiveConstraint ) {
ConnectiveConstraint cc = (ConnectiveConstraint) con;
String fieldName = cc.getFieldName();
if ( fieldName.equals( DataType.TYPE_THIS ) ) {
showLiteralSelector = CEPOracle.isCEPOperator( cc.getOperator() );
showFormulaSelector = showFormulaSelector && showLiteralSelector;
}
}
//Literal value selector
if ( showLiteralSelector ) {
form.addAttribute( GuidedRuleEditorResources.CONSTANTS.LiteralValue() + ":",
widgets( lit,
new InfoPopup( GuidedRuleEditorResources.CONSTANTS.LiteralValue(),
GuidedRuleEditorResources.CONSTANTS.LiteralValTip() ) ) );
}
//Template key selector
if ( modeller.isTemplate() ) {
String templateKeyLabel = GuidedRuleEditorResources.CONSTANTS.TemplateKey();
Button templateKeyButton = new Button( templateKeyLabel );
templateKeyButton.addClickHandler( new ClickHandler() {
public void onClick( ClickEvent event ) {
con.setConstraintValueType( BaseSingleFieldConstraint.TYPE_TEMPLATE );
doTypeChosen( form );
}
} );
form.addAttribute( templateKeyLabel + ":",
widgets( templateKeyButton,
new InfoPopup( templateKeyLabel,
GuidedRuleEditorResources.CONSTANTS.LiteralValTip() ) ) );
}
//Divider, if we have any advanced options
if ( showVariableSelector || showFormulaSelector || showExpressionSelector ) {
form.addRow( new HTML( "<hr/>" ) );
form.addRow( new SmallLabel( GuidedRuleEditorResources.CONSTANTS.AdvancedOptions() ) );
}
//Show variables selector, if there are any variables in scope
if ( showVariableSelector ) {
List<String> bindingsInScope = this.model.getBoundVariablesInScope( this.constraint );
if ( bindingsInScope.size() > 0 || DataType.TYPE_COLLECTION.equals( this.fieldType ) ) {
final Button bindingButton = new Button( GuidedRuleEditorResources.CONSTANTS.BoundVariable() );
//This Set is used as a 1flag to know whether the button has been added; due to use of callbacks
final Set<Button> bindingButtonContainer = new HashSet<Button>();
for ( String var : bindingsInScope ) {
helper.isApplicableBindingsInScope( var,
new Callback<Boolean>() {
@Override
public void callback( final Boolean result ) {
if ( Boolean.TRUE.equals( result ) ) {
if ( !bindingButtonContainer.contains( bindingButton ) ) {
bindingButtonContainer.add( bindingButton );
bindingButton.addClickHandler( new ClickHandler() {
public void onClick( ClickEvent event ) {
con.setConstraintValueType( SingleFieldConstraint.TYPE_VARIABLE );
doTypeChosen( form );
}
} );
form.addAttribute( GuidedRuleEditorResources.CONSTANTS.AVariable(),
widgets( bindingButton,
new InfoPopup( GuidedRuleEditorResources.CONSTANTS.ABoundVariable(),
GuidedRuleEditorResources.CONSTANTS.BoundVariableTip() ) ) );
}
}
}
} );
}
}
}
//Formula selector
if ( showFormulaSelector ) {
Button formula = new Button( GuidedRuleEditorResources.CONSTANTS.NewFormula() );
formula.addClickHandler( new ClickHandler() {
public void onClick( ClickEvent event ) {
con.setConstraintValueType( SingleFieldConstraint.TYPE_RET_VALUE );
doTypeChosen( form );
}
} );
form.addAttribute( GuidedRuleEditorResources.CONSTANTS.AFormula() + ":",
widgets( formula,
new InfoPopup( GuidedRuleEditorResources.CONSTANTS.AFormula(),
GuidedRuleEditorResources.CONSTANTS.FormulaExpressionTip() ) ) );
}
//Expression selector
if ( showExpressionSelector ) {
Button expression = new Button( GuidedRuleEditorResources.CONSTANTS.ExpressionEditor() );
expression.addClickHandler( new ClickHandler() {
public void onClick( ClickEvent event ) {
con.setConstraintValueType( SingleFieldConstraint.TYPE_EXPR_BUILDER_VALUE );
doTypeChosen( form );
}
} );
form.addAttribute( GuidedRuleEditorResources.CONSTANTS.ExpressionEditor() + ":",
widgets( expression,
new InfoPopup( GuidedRuleEditorResources.CONSTANTS.ExpressionEditor(),
GuidedRuleEditorResources.CONSTANTS.ExpressionEditor() ) ) );
}
form.show();
}
private void doTypeChosen() {
executeOnValueChangeCommand();
executeOnTemplateVariablesChange();
refreshEditor();
}
private void doTypeChosen( final FormStylePopup form ) {
doTypeChosen();
form.hide();
}
private Panel widgets( Widget left,
Widget right ) {
HorizontalPanel panel = new HorizontalPanel();
panel.setVerticalAlignment( HasVerticalAlignment.ALIGN_MIDDLE );
panel.add( left );
panel.add( right );
panel.setWidth( "100%" );
return panel;
}
public boolean isDirty() {
return super.isDirty();
}
public void setOnValueChangeCommand( Command onValueChangeCommand ) {
this.onValueChangeCommand = onValueChangeCommand;
}
private void executeOnValueChangeCommand() {
if ( this.onValueChangeCommand != null ) {
this.onValueChangeCommand.execute();
}
}
public void setOnTemplateValueChangeCommand( Command onTemplateValueChangeCommand ) {
this.onTemplateValueChangeCommand = onTemplateValueChangeCommand;
}
private void executeOnTemplateValueChangeCommand() {
if ( this.onTemplateValueChangeCommand != null ) {
this.onTemplateValueChangeCommand.execute();
}
}
private DropDownData getDropDownData() {
//Set applicable flags and reference data depending upon type
if ( DataType.TYPE_BOOLEAN.equals( this.fieldType ) ) {
this.isDropDownDataEnum = false;
this.dropDownData = DropDownData.create( new String[]{ "true", "false" } );
} else {
this.isDropDownDataEnum = true;
final Map<String, String> currentValueMap = new HashMap<String, String>();
if ( constraintList != null && constraintList.getConstraints() != null ) {
for ( FieldConstraint con : constraintList.getConstraints() ) {
if ( con instanceof SingleFieldConstraint ) {
SingleFieldConstraint sfc = (SingleFieldConstraint) con;
String fieldName = sfc.getFieldName();
currentValueMap.put( fieldName,
sfc.getValue() );
}
}
}
this.dropDownData = oracle.getEnums( this.factType,
fieldName,
currentValueMap );
}
return dropDownData;
}
//Signal (potential) change in Template variables
private void executeOnTemplateVariablesChange() {
TemplateVariablesChangedEvent tvce = new TemplateVariablesChangedEvent( model );
eventBus.fireEventFromSource( tvce, model );
}
private WorkingSetManager getWorkingSetManager() {
if ( workingSetManager == null ) {
workingSetManager = IOC.getBeanManager().lookupBean( WorkingSetManager.class ).getInstance();
}
return workingSetManager;
}
}