validation gwt java - validacion de datos en gwt
VALIDATION.txt
validation gwt java
ort com.smartgwt.client.types.Alignment;
import com.smartgwt.client.types.FormErrorOrientation;
import com.smartgwt.client.util.SC;
import com.smartgwt.client.widgets.IButton;
import com.smartgwt.client.widgets.Label;
import com.smartgwt.client.widgets.Window;
import com.smartgwt.client.widgets.events.ClickEvent;
import com.smartgwt.client.widgets.events.ClickHandler;
import com.smartgwt.client.widgets.form.DynamicForm;
import com.smartgwt.client.widgets.form.fields.TextItem;
import com.smartgwt.client.widgets.form.validator.CustomValidator;
import com.smartgwt.client.widgets.form.validator.IsIntegerValidator;
import com.smartgwt.client.widgets.layout.HLayout;
import com.smartgwt.client.widgets.layout.LayoutSpacer;
public class TestTextError extends Window{
private DynamicForm form;
private TextItem textItem1;
private TextItem textItem2;
private TextItem textItem3;
private TextItem textItem4;
private IButton saveButton;
private IButton cancelButton;
private IButton clearButton;
public TestTextError() {
createComponents();
doLayout();
defineValidators();
defineCallbacks();
}
private void createComponents() {
form = new DynamicForm();
form.setShowErrorText(true);
form.setErrorOrientation(FormErrorOrientation.RIGHT);
form.setRequiredTitleSuffix("*");
textItem1 = new TextItem("textItem1");
textItem1.setTitle("TextBox 1");
textItem1.setWrapTitle(false);
textItem1.setRequired(true);
textItem2 = new TextItem("textItem2");
textItem2.setTitle("Widthout Spaces");
textItem2.setWrapTitle(false);
textItem2.setRequired(true);
textItem3 = new TextItem("textItem3");
textItem3.setTitle("Not only spaces");
textItem3.setWrapTitle(false);
textItem3.setRequired(true);
textItem4 = new TextItem("textItem4");
textItem4.setTitle("Only integer");
textItem4.setWrapTitle(false);
textItem4.setRequired(true);
saveButton = new IButton("Salve");
cancelButton = new IButton("Cancel");
clearButton = new IButton("Clear");
}
private void doLayout() {
setTitle("Test ErrorText");
setAutoCenter(true);
setIsModal(true);
setCanDragResize(false);
setAutoSize(true);
setWidth(670);
setAutoHeight();
setShowResizer(true);
form.setWidth100();
form.setPadding(10);
form.setNumCols(2);
form.setColWidths(1, "*");
form.setCellBorder(1);
textItem1.setWidth(175);
textItem2.setWidth(175);
textItem3.setWidth(175);
textItem4.setWidth(175);
textItem1.setErrorMessageWidth(0);
textItem2.setErrorMessageWidth(0);
textItem3.setErrorMessageWidth(0);
textItem4.setErrorMessageWidth(0);
form.setFields(textItem1, textItem2, textItem3, textItem4);
HLayout buttonsLayout = new HLayout();
buttonsLayout.setWidth100();
buttonsLayout.setAutoHeight();
buttonsLayout.setDefaultLayoutAlign(Alignment.CENTER);
buttonsLayout.setMargin(10);
buttonsLayout.setMembersMargin(10);
buttonsLayout.addMember(new LayoutSpacer());
buttonsLayout.addMember(saveButton);
buttonsLayout.addMember(cancelButton);
buttonsLayout.addMember(clearButton);
buttonsLayout.addMember(new LayoutSpacer());
Label info = new Label("Look the space available beside the field. It's enought to not wrapp the errorText. Click Save to validate.");
info.setWidth100();
info.setAutoHeight();
info.setMargin(10);
addItem(form);
addItem(info);
addItem(buttonsLayout);
}
private void defineValidators() {
// textItem1.setValidateOnChange(true);
// textItem2.setValidateOnChange(true);
// textItem3.setValidateOnChange(true);
// textItem4.setValidateOnChange(true);
CustomValidator notOnlySpaceValidator = new CustomValidator() {
@Override
protected boolean condition(Object value) {
if(value==null) {
return true;
}
if(!(value instanceof String)) {
return false;
}
return ((String)value).trim().length()>0;
}
};
notOnlySpaceValidator.setErrorMessage("This field can't have only spaces.");
CustomValidator noSpaceValidator = new CustomValidator() {
@Override
protected boolean condition(Object value) {
if(value==null) {
return true;
}
if(!(value instanceof String)) {
return false;
}
return !((String)value).contains(" ") && !((String)value).contains("\t");
}
};
noSpaceValidator.setErrorMessage("This field can't have spaces.");
textItem2.setValidators(noSpaceValidator); textItem2.setValue("Text with spaces");
textItem3.setValidators(notOnlySpaceValidator); textItem3.setValue(" ");
textItem4.setValidators(new IsIntegerValidator()); textItem4.setValue("Not number text");
}
private void defineCallbacks() {
saveButton.addClickHandler(new ClickHandler(){
public void onClick(ClickEvent event) {
if(form.validate()) {
SC.say("ok");
}
}
});
cancelButton.addClickHandler(new ClickHandler(){
public void onClick(ClickEvent event) {
TestTextError.this.destroy(); //TODO is it the best option?
}});
clearButton.addClickHandler(new ClickHandler(){
public void onClick(ClickEvent event) {
form.clearValues();
}});
}
}
validacion de datos en gwt
validation gwt java
ort com.smartgwt.client.types.Alignment;
import com.smartgwt.client.types.FormErrorOrientation;
import com.smartgwt.client.util.SC;
import com.smartgwt.client.widgets.IButton;
import com.smartgwt.client.widgets.Label;
import com.smartgwt.client.widgets.Window;
import com.smartgwt.client.widgets.events.ClickEvent;
import com.smartgwt.client.widgets.events.ClickHandler;
import com.smartgwt.client.widgets.form.DynamicForm;
import com.smartgwt.client.widgets.form.fields.TextItem;
import com.smartgwt.client.widgets.form.validator.CustomValidator;
import com.smartgwt.client.widgets.form.validator.IsIntegerValidator;
import com.smartgwt.client.widgets.layout.HLayout;
import com.smartgwt.client.widgets.layout.LayoutSpacer;
public class TestTextError extends Window{
private DynamicForm form;
private TextItem textItem1;
private TextItem textItem2;
private TextItem textItem3;
private TextItem textItem4;
private IButton saveButton;
private IButton cancelButton;
private IButton clearButton;
public TestTextError() {
createComponents();
doLayout();
defineValidators();
defineCallbacks();
}
private void createComponents() {
form = new DynamicForm();
form.setShowErrorText(true);
form.setErrorOrientation(FormErrorOrientation.RIGHT);
form.setRequiredTitleSuffix("*");
textItem1 = new TextItem("textItem1");
textItem1.setTitle("TextBox 1");
textItem1.setWrapTitle(false);
textItem1.setRequired(true);
textItem2 = new TextItem("textItem2");
textItem2.setTitle("Widthout Spaces");
textItem2.setWrapTitle(false);
textItem2.setRequired(true);
textItem3 = new TextItem("textItem3");
textItem3.setTitle("Not only spaces");
textItem3.setWrapTitle(false);
textItem3.setRequired(true);
textItem4 = new TextItem("textItem4");
textItem4.setTitle("Only integer");
textItem4.setWrapTitle(false);
textItem4.setRequired(true);
saveButton = new IButton("Salve");
cancelButton = new IButton("Cancel");
clearButton = new IButton("Clear");
}
private void doLayout() {
setTitle("Test ErrorText");
setAutoCenter(true);
setIsModal(true);
setCanDragResize(false);
setAutoSize(true);
setWidth(670);
setAutoHeight();
setShowResizer(true);
form.setWidth100();
form.setPadding(10);
form.setNumCols(2);
form.setColWidths(1, "*");
form.setCellBorder(1);
textItem1.setWidth(175);
textItem2.setWidth(175);
textItem3.setWidth(175);
textItem4.setWidth(175);
textItem1.setErrorMessageWidth(0);
textItem2.setErrorMessageWidth(0);
textItem3.setErrorMessageWidth(0);
textItem4.setErrorMessageWidth(0);
form.setFields(textItem1, textItem2, textItem3, textItem4);
HLayout buttonsLayout = new HLayout();
buttonsLayout.setWidth100();
buttonsLayout.setAutoHeight();
buttonsLayout.setDefaultLayoutAlign(Alignment.CENTER);
buttonsLayout.setMargin(10);
buttonsLayout.setMembersMargin(10);
buttonsLayout.addMember(new LayoutSpacer());
buttonsLayout.addMember(saveButton);
buttonsLayout.addMember(cancelButton);
buttonsLayout.addMember(clearButton);
buttonsLayout.addMember(new LayoutSpacer());
Label info = new Label("Look the space available beside the field. It's enought to not wrapp the errorText. Click Save to validate.");
info.setWidth100();
info.setAutoHeight();
info.setMargin(10);
addItem(form);
addItem(info);
addItem(buttonsLayout);
}
private void defineValidators() {
// textItem1.setValidateOnChange(true);
// textItem2.setValidateOnChange(true);
// textItem3.setValidateOnChange(true);
// textItem4.setValidateOnChange(true);
CustomValidator notOnlySpaceValidator = new CustomValidator() {
@Override
protected boolean condition(Object value) {
if(value==null) {
return true;
}
if(!(value instanceof String)) {
return false;
}
return ((String)value).trim().length()>0;
}
};
notOnlySpaceValidator.setErrorMessage("This field can't have only spaces.");
CustomValidator noSpaceValidator = new CustomValidator() {
@Override
protected boolean condition(Object value) {
if(value==null) {
return true;
}
if(!(value instanceof String)) {
return false;
}
return !((String)value).contains(" ") && !((String)value).contains("\t");
}
};
noSpaceValidator.setErrorMessage("This field can't have spaces.");
textItem2.setValidators(noSpaceValidator); textItem2.setValue("Text with spaces");
textItem3.setValidators(notOnlySpaceValidator); textItem3.setValue(" ");
textItem4.setValidators(new IsIntegerValidator()); textItem4.setValue("Not number text");
}
private void defineCallbacks() {
saveButton.addClickHandler(new ClickHandler(){
public void onClick(ClickEvent event) {
if(form.validate()) {
SC.say("ok");
}
}
});
cancelButton.addClickHandler(new ClickHandler(){
public void onClick(ClickEvent event) {
TestTextError.this.destroy(); //TODO is it the best option?
}});
clearButton.addClickHandler(new ClickHandler(){
public void onClick(ClickEvent event) {
form.clearValues();
}});
}
}
validacion de datos en gwt
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