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Diff Revisions 949 vs 950 for /trunk/GWT_Sandbox/FormEngine/src/com/temp/client/foundation/widget/input/fieldsupport/InputWidgetValidator.java

Diff revisions: vs.
  @@ -1,126 +1,126 @@
1 - package com.temp.client.foundation.widget.input.fieldsupport;
2 -
3 - import org.litesoft.core.util.externalization.*;
4 -
5 - import com.google.gwt.event.dom.client.*;
6 - import com.google.gwt.event.shared.*;
7 - import com.temp.client.foundation.widget.input.support.*;
8 - import com.temp.client.foundation.widget.input.support.events.*;
9 - import com.temp.shared.*;
10 -
11 - import java.util.*;
12 -
13 - public class InputWidgetValidator<T> implements InputWidgetValueAdapter<T> {
14 - protected final NonDomHandlerManager<ChangeHandler> handlerManager;
15 - protected final InputWidgetValueAdapter<T> delegate;
16 - protected final List<ValueValidator<T>> validators = new ArrayList<ValueValidator<T>>();
17 - protected E13nData errorData;
18 -
19 - public InputWidgetValidator( InputWidgetValueAdapter<T> delegate ) {
20 - handlerManager = new NonDomHandlerManager<ChangeHandler>( this );
21 - this.delegate = delegate;
22 - delegate.addChangeHandler( new ChangeHandler() {
23 - @Override
24 - public void onChange( ChangeEvent event ) {
25 - validateWithErrorStateChangeNotification();
26 - }
27 - } );
28 - }
29 -
30 - public InputWidgetValidator( InputWidgetValueAdapter<T> delegate, ValueValidator<T> validator1, ValueValidator<T>... additionalValidators ) {
31 - this( delegate );
32 - add( validator1 );
33 - if ( additionalValidators != null ) {
34 - for ( ValueValidator<T> validator : additionalValidators ) {
35 - add( validator );
36 - }
37 - }
38 - if ( !validators.isEmpty() ) {
39 - validate();
40 - }
41 - }
42 -
43 - protected boolean add( ValueValidator<T> validator ) {
44 - if ( validator != null ) {
45 - validators.add( validator );
46 - return true;
47 - }
48 - return false;
49 - }
50 -
51 - public void addValidator( ValueValidator<T> validator ) {
52 - if ( add( validator ) ) {
53 - validateWithErrorStateChangeNotification();
54 - }
55 - }
56 -
57 - public void addValidators( ValueValidator<T>... additionalValidators ) {
58 - if ( additionalValidators != null ) {
59 - boolean anyAdded = false;
60 - for ( ValueValidator<T> validator : additionalValidators ) {
61 - anyAdded |= add( validator );
62 - }
63 - if ( anyAdded ) {
64 - validateWithErrorStateChangeNotification();
65 - }
66 - }
67 - }
68 -
69 - /**
70 - * @return null if currently valid, otherwise the data to generate the Error Text
71 - */
72 - public E13nData validate() {
73 - T value = getValue();
74 - errorData = null;
75 - for ( ValueValidator<T> validator : validators ) {
76 - errorData = validator.checkValue( value );
77 - if ( errorData != null ) {
78 - break;
79 - }
80 - }
81 - return getErrorData();
82 - }
83 -
84 - /**
85 - * @return null if currently valid, otherwise the data to generate the Error Text
86 - */
87 - public E13nData getErrorData() {
88 - return errorData;
89 - }
90 -
91 - public HandlerRegistration addErrorStateChangeHandler( ChangeHandler handler ) {
92 - return handler == null ? null : registerErrorStateChangeHandler( handler );
93 - }
94 -
95 - @Override
96 - public HandlerRegistration addChangeHandler( ChangeHandler handler ) {
97 - return delegate.addChangeHandler( handler );
98 - }
99 -
100 - @Override
101 - public T getValue() {
102 - return delegate.getValue();
103 - }
104 -
105 - @Override
106 - public void setValue( T value ) {
107 - delegate.setValue( value );
108 - validateWithErrorStateChangeNotification();
109 - }
110 -
111 - protected void validateWithErrorStateChangeNotification() {
112 - boolean hadError = (null != getErrorData());
113 - boolean hasError = (null != validate());
114 - if ( hadError != hasError ) {
115 - notifyErrorStateChangeHandlers();
116 - }
117 - }
118 -
119 - protected void notifyErrorStateChangeHandlers() {
120 - handlerManager.fireEvent( new NonDomChangeEvent() );
121 - }
122 -
123 - protected HandlerRegistration registerErrorStateChangeHandler( ChangeHandler handler ) {
124 - return handlerManager.addHandler( handler );
125 - }
126 - }
1 + package com.temp.client.foundation.widget.input.fieldsupport;
2 +
3 + import org.litesoft.core.util.externalization.*;
4 +
5 + import com.google.gwt.event.dom.client.*;
6 + import com.google.gwt.event.shared.*;
7 + import com.temp.client.foundation.widget.input.support.*;
8 + import com.temp.client.foundation.widget.input.support.events.*;
9 + import com.temp.shared.*;
10 +
11 + import java.util.*;
12 +
13 + public class InputWidgetValidator<T> implements InputWidgetValueAdapter<T> {
14 + protected final NonDomHandlerManager<ChangeHandler> handlerManager;
15 + protected final InputWidgetValueAdapter<T> delegate;
16 + protected final List<ValueValidator<T>> validators = new ArrayList<ValueValidator<T>>();
17 + protected E13nData errorData;
18 +
19 + public InputWidgetValidator( InputWidgetValueAdapter<T> delegate ) {
20 + handlerManager = new NonDomHandlerManager<ChangeHandler>( this );
21 + this.delegate = delegate;
22 + delegate.addChangeHandler( new ChangeHandler() {
23 + @Override
24 + public void onChange( ChangeEvent event ) {
25 + validateWithErrorStateChangeNotification();
26 + }
27 + } );
28 + }
29 +
30 + public InputWidgetValidator( InputWidgetValueAdapter<T> delegate, ValueValidator<T> validator1, ValueValidator<T>... additionalValidators ) {
31 + this( delegate );
32 + add( validator1 );
33 + if ( additionalValidators != null ) {
34 + for ( ValueValidator<T> validator : additionalValidators ) {
35 + add( validator );
36 + }
37 + }
38 + if ( !validators.isEmpty() ) {
39 + validate();
40 + }
41 + }
42 +
43 + protected boolean add( ValueValidator<T> validator ) {
44 + if ( validator != null ) {
45 + validators.add( validator );
46 + return true;
47 + }
48 + return false;
49 + }
50 +
51 + public void addValidator( ValueValidator<T> validator ) {
52 + if ( add( validator ) ) {
53 + validateWithErrorStateChangeNotification();
54 + }
55 + }
56 +
57 + public void addValidators( ValueValidator<T>... additionalValidators ) {
58 + if ( additionalValidators != null ) {
59 + boolean anyAdded = false;
60 + for ( ValueValidator<T> validator : additionalValidators ) {
61 + anyAdded |= add( validator );
62 + }
63 + if ( anyAdded ) {
64 + validateWithErrorStateChangeNotification();
65 + }
66 + }
67 + }
68 +
69 + /**
70 + * @return null if currently valid, otherwise the data to generate the Error Text
71 + */
72 + public E13nData validate() {
73 + T value = getValue();
74 + errorData = null;
75 + for ( ValueValidator<T> validator : validators ) {
76 + errorData = validator.checkValue( value );
77 + if ( errorData != null ) {
78 + break;
79 + }
80 + }
81 + return getErrorData();
82 + }
83 +
84 + /**
85 + * @return null if currently valid, otherwise the data to generate the Error Text
86 + */
87 + public E13nData getErrorData() {
88 + return errorData;
89 + }
90 +
91 + public HandlerRegistration addErrorStateChangeHandler( ChangeHandler handler ) {
92 + return handler == null ? null : registerErrorStateChangeHandler( handler );
93 + }
94 +
95 + @Override
96 + public HandlerRegistration addChangeHandler( ChangeHandler handler ) {
97 + return delegate.addChangeHandler( handler );
98 + }
99 +
100 + @Override
101 + public T getValue() {
102 + return delegate.getValue();
103 + }
104 +
105 + @Override
106 + public void setValue( T value ) {
107 + delegate.setValue( value );
108 + validateWithErrorStateChangeNotification();
109 + }
110 +
111 + protected void validateWithErrorStateChangeNotification() {
112 + boolean hadError = (null != getErrorData());
113 + boolean hasError = (null != validate());
114 + if ( hadError != hasError ) {
115 + notifyErrorStateChangeHandlers();
116 + }
117 + }
118 +
119 + protected void notifyErrorStateChangeHandlers() {
120 + handlerManager.fireEvent( new NonDomChangeEvent() );
121 + }
122 +
123 + protected HandlerRegistration registerErrorStateChangeHandler( ChangeHandler handler ) {
124 + return handlerManager.addHandler( handler );
125 + }
126 + }

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