Package com._1c.g5.v8.dt.qw.ui.utils

Class FieldsEditor

java.lang.Object

com._1c.g5.v8.dt.qw.ui.utils.FieldsEditor

public final class FieldsEditor
extends Object

Editing operations with fields collection

Method Summary

Modifier and Type	Method	Description
static void	addField(QueryWizardSource source, QuerySchemaExpression newField, NestedTableExpression parentNestedTable)	Adds a new expression
static void	addField(QueryWizardSource source, QuerySchemaExpression newField, NestedTableExpression parentNestedTable, int mappingPos)	Adds a new expression
static void	addField(QueryWizardSource source, QuerySchemaExpression newField, NestedTableExpression parentNestedTable, int mappingPos, String alias)	Adds a new expression
static void	addField(QueryWizardSource source, QuerySchemaExpression newField, NestedTableExpression parentNestedTable, String alias)	Adds a new expression
static QuerySchemaExpression	createEmptyNestedTable()	Create empty nested table
static QuerySchemaExpression	createNullExpression()	Create NULL expression
static QuerySchemaExpression	createNullExpression(boolean emptyField)	Create NULL expression
static org.eclipse.emf.common.util.EList<QuerySchemaExpression>	getFieldContainerFields(QuerySchemaExpression field)	Get field container
static QuerySchemaExpression	getMatchedFieldInOperator(QuerySchemaExpression firstField, int operatorIndex, QueryWizardSource source)	Get matched field in operator
static int	getNotNullFieldsCount(List<QuerySchemaExpression> fields)	Calculating not null fields in collection
static boolean	isEmptyExpression(Object expression)	Check is expression empty
static boolean	isEmptyNestedTable(AbstractExpression expression)	Check is expression is empty nested table
static boolean	isNullExpression(Object expression)	Check is expression is NULL
static void	removeField(QueryWizardSource source, QuerySchemaExpression field)	Removes fields
static boolean	similarNames(org.eclipse.emf.ecore.EObject field1, org.eclipse.emf.ecore.EObject field2, QueryWizardSource source)	Compare two expressions

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

addField

public static void addField(QueryWizardSource source,
                            QuerySchemaExpression newField,
                            NestedTableExpression parentNestedTable)

Adds a new expression

Parameters:

source - - query wizard source

parentNestedTable - parent nested table, null if have no

newField - new expression

addField

public static void addField(QueryWizardSource source,
                            QuerySchemaExpression newField,
                            NestedTableExpression parentNestedTable,
                            String alias)

Adds a new expression

Parameters:

source - query wizard source

newField - new expression

parentNestedTable - parent nested table, null if have no

alias - expression alias

addField

public static void addField(QueryWizardSource source,
                            QuerySchemaExpression newField,
                            NestedTableExpression parentNestedTable,
                            int mappingPos)

Adds a new expression

Parameters:

source - query wizard source

newField - new expression

parentNestedTable - parent nested table, null if have no

mappingPos - fields matching position

addField

public static void addField(QueryWizardSource source,
                            QuerySchemaExpression newField,
                            NestedTableExpression parentNestedTable,
                            int mappingPos,
                            String alias)

Adds a new expression

Parameters:

source - query wizard source

newField - new expression

parentNestedTable - parent nested table, null if have no

mappingPos - fields matching position

alias - expression alias

removeField

public static void removeField(QueryWizardSource source,
                               QuerySchemaExpression field)

Removes fields

Parameters:

source - - query wizard source

field -

isNullExpression

public static boolean isNullExpression(Object expression)

Check is expression is NULL

Parameters:

expression -

Returns:

true if expression is NULL

isEmptyExpression

public static boolean isEmptyExpression(Object expression)

Check is expression empty

Parameters:

expression -

Returns:

true if expression is empty

isEmptyNestedTable

public static boolean isEmptyNestedTable(AbstractExpression expression)

Check is expression is empty nested table

Parameters:

expression -

Returns:

true if expression is empty nested table

createNullExpression

public static QuerySchemaExpression createNullExpression()

Create NULL expression

Returns:

new NULL expression

createNullExpression

public static QuerySchemaExpression createNullExpression(boolean emptyField)

Create NULL expression

Parameters:

emptyField - create empty field

Returns:

new NULL expression

createEmptyNestedTable

public static QuerySchemaExpression createEmptyNestedTable()

Create empty nested table

Returns:

new empty nested table

similarNames

public static boolean similarNames(org.eclipse.emf.ecore.EObject field1,
                                   org.eclipse.emf.ecore.EObject field2,
                                   QueryWizardSource source)

Compare two expressions

Parameters:

field1 - may be QuerySchemaExpression or AbstractExpression

field2 - may be QuerySchemaExpression or AbstractExpression

Returns:

true if field1 and field2 is the similar

getNotNullFieldsCount

public static int getNotNullFieldsCount(List<QuerySchemaExpression> fields)

Calculating not null fields in collection

Parameters:

fields -

Returns:

not null fields count

getFieldContainerFields

public static org.eclipse.emf.common.util.EList<QuerySchemaExpression> getFieldContainerFields(QuerySchemaExpression field)

Get field container

Parameters:

field -

Returns:

parent fields collection

getMatchedFieldInOperator

public static QuerySchemaExpression getMatchedFieldInOperator(QuerySchemaExpression firstField,
                                                              int operatorIndex,
                                                              QueryWizardSource source)

Get matched field in operator

Parameters:

field - from first operator

index - of operator

Returns:

Field matched with firstField by alias, or null if firstField is not funded in current query