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java.lang.Objectorg.apache.wicket.Component
org.apache.wicket.MarkupContainer
org.apache.wicket.markup.html.WebMarkupContainer
org.apache.wicket.markup.html.form.LabeledWebMarkupContainer
org.apache.wicket.markup.html.form.FormComponent<T>
org.apache.wicket.markup.html.form.AbstractChoice<java.util.Collection<T>,T>
org.apache.wicket.markup.html.form.ListMultipleChoice<T>
T
- The model object typepublic class ListMultipleChoice<T>
A multiple choice list component.
Nested Class Summary |
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Nested classes/interfaces inherited from class org.apache.wicket.markup.html.form.FormComponent |
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FormComponent.AbstractVisitor, FormComponent.IVisitor |
Nested classes/interfaces inherited from class org.apache.wicket.Component |
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Component.ComponentModelChange, Component.EnabledChange, Component.VisibilityChange |
Field Summary |
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Fields inherited from class org.apache.wicket.markup.html.form.FormComponent |
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FLAG_CONVERT_EMPTY_INPUT_STRING_TO_NULL, VALUE_SEPARATOR |
Fields inherited from class org.apache.wicket.Component |
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ENABLE, FLAG_RESERVED1, FLAG_RESERVED2, FLAG_RESERVED3, FLAG_RESERVED4, FLAG_RESERVED5, FLAG_RESERVED6, FLAG_RESERVED7, FLAG_RESERVED8, PATH_SEPARATOR, RENDER |
Constructor Summary | |
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ListMultipleChoice(java.lang.String id)
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ListMultipleChoice(java.lang.String id,
IModel<java.util.Collection<T>> model,
IModel<java.util.List<? extends T>> choices)
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ListMultipleChoice(java.lang.String id,
IModel<java.util.Collection<T>> model,
IModel<java.util.List<? extends T>> choices,
IChoiceRenderer<T> renderer)
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ListMultipleChoice(java.lang.String id,
IModel<java.util.Collection<T>> object,
java.util.List<T> choices)
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ListMultipleChoice(java.lang.String id,
IModel<java.util.Collection<T>> object,
java.util.List<T> choices,
IChoiceRenderer<T> renderer)
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ListMultipleChoice(java.lang.String id,
IModel<java.util.List<? extends T>> choices)
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ListMultipleChoice(java.lang.String id,
IModel<java.util.List<? extends T>> choices,
IChoiceRenderer<T> renderer)
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ListMultipleChoice(java.lang.String id,
java.util.List<T> choices)
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ListMultipleChoice(java.lang.String id,
java.util.List<T> choices,
IChoiceRenderer<T> renderer)
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ListMultipleChoice(java.lang.String id,
java.util.List<T> choices,
int maxRows)
Creates a multiple choice list with a maximum number of visible rows. |
Method Summary | |
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protected java.util.List<T> |
convertChoiceIdsToChoices(java.lang.String[] ids)
Converts submitted choice ids to choice objects. |
protected java.util.Collection<T> |
convertValue(java.lang.String[] ids)
Subclasses should overwrite this if the conversion is not done through the type field and the IConverter . |
protected static int |
getDefaultMaxRows()
Gets the default maximum number of rows to display. |
java.lang.String |
getModelValue()
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protected boolean |
isSelected(T choice,
int index,
java.lang.String selected)
Gets whether the given value represents the current selection. |
protected void |
onComponentTag(ComponentTag tag)
Processes the component tag. |
protected static void |
setDefaultMaxRows(int defaultMaxRows)
Sets the default maximum number of rows to display. |
ListMultipleChoice<T> |
setMaxRows(int maxRows)
Sets the number of visible rows in the listbox. |
void |
updateModel()
If the model object exists, it is assumed to be a Collection, and it is modified in-place. |
Methods inherited from class org.apache.wicket.markup.html.form.AbstractChoice |
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appendOptionHtml, detachModel, escapeOptionHtml, getChoiceRenderer, getChoices, getDefaultChoice, isDisabled, localizeDisplayValues, onComponentTagBody, setChoiceRenderer, setChoices, setChoices, supportsPersistence |
Methods inherited from class org.apache.wicket.markup.html.form.FormComponent |
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add, add, checkRequired, clearInput, convertInput, error, getConvertedInput, getForm, getInput, getInputAsArray, getInputName, getModel, getModelObject, getRawInput, getType, getValidatorKeyPrefix, getValidators, getValue, hasRawInput, inputAsInt, inputAsInt, inputAsIntArray, inputChanged, internalOnModelChanged, invalid, isInputNullable, isMultiPart, isPersistent, isRequired, isValid, newValidatable, onDetach, onDisabled, onInvalid, onValid, processChildren, processInput, setConvertedInput, setLabel, setModel, setModelObject, setModelValue, setModelValue, setPersistent, setRequired, setType, shouldTrimInput, trim, valid, validate, validateRequired, validateValidators, visitComponentsPostOrder, visitFormComponentsPostOrder |
Methods inherited from class org.apache.wicket.markup.html.form.LabeledWebMarkupContainer |
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getLabel, setLabelInternal |
Methods inherited from class org.apache.wicket.markup.html.WebMarkupContainer |
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getMarkupType, getWebPage |
Methods inherited from class org.apache.wicket.MarkupContainer |
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add, addOrReplace, autoAdd, autoAdd, contains, findMarkupStream, get, get, getAssociatedMarkupStream, getMarkupStream, hasAssociatedMarkup, internalAdd, isTransparentResolver, iterator, iterator, newMarkupResourceStream, onRender, remove, remove, removeAll, renderAll, renderAssociatedMarkup, renderComponentTagBody, replace, setDefaultModel, setMarkupStream, size, swap, toString, toString, visitChildren, visitChildren |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public ListMultipleChoice(java.lang.String id)
AbstractChoice.AbstractChoice(String)
public ListMultipleChoice(java.lang.String id, java.util.List<T> choices)
AbstractChoice.AbstractChoice(String, List)
public ListMultipleChoice(java.lang.String id, java.util.List<T> choices, int maxRows)
id
- component idchoices
- list of choicesmaxRows
- the maximum number of visible rows.AbstractChoice.AbstractChoice(String, List)
public ListMultipleChoice(java.lang.String id, java.util.List<T> choices, IChoiceRenderer<T> renderer)
AbstractChoice.AbstractChoice(String,
List,IChoiceRenderer)
public ListMultipleChoice(java.lang.String id, IModel<java.util.Collection<T>> object, java.util.List<T> choices)
AbstractChoice.AbstractChoice(String, IModel, List)
public ListMultipleChoice(java.lang.String id, IModel<java.util.Collection<T>> object, java.util.List<T> choices, IChoiceRenderer<T> renderer)
AbstractChoice.AbstractChoice(String, IModel,
List,IChoiceRenderer)
public ListMultipleChoice(java.lang.String id, IModel<java.util.List<? extends T>> choices)
AbstractChoice.AbstractChoice(String, IModel)
public ListMultipleChoice(java.lang.String id, IModel<java.util.Collection<T>> model, IModel<java.util.List<? extends T>> choices)
AbstractChoice.AbstractChoice(String, IModel,IModel)
public ListMultipleChoice(java.lang.String id, IModel<java.util.List<? extends T>> choices, IChoiceRenderer<T> renderer)
AbstractChoice.AbstractChoice(String,
IModel,IChoiceRenderer)
public ListMultipleChoice(java.lang.String id, IModel<java.util.Collection<T>> model, IModel<java.util.List<? extends T>> choices, IChoiceRenderer<T> renderer)
AbstractChoice.AbstractChoice(String, IModel,
IModel,IChoiceRenderer)
Method Detail |
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protected static int getDefaultMaxRows()
protected static void setDefaultMaxRows(int defaultMaxRows)
defaultMaxRows
- The defaultMaxRows to set.public final ListMultipleChoice<T> setMaxRows(int maxRows)
maxRows
- the number of visible rows
public final java.lang.String getModelValue()
getModelValue
in class FormComponent<java.util.Collection<T>>
FormComponent.getModelValue()
protected final boolean isSelected(T choice, int index, java.lang.String selected)
AbstractChoice
isSelected
in class AbstractChoice<java.util.Collection<T>,T>
choice
- The object to checkindex
- The index in the choices collection this object is in.selected
- The currently selected string value
AbstractChoice.isSelected(Object,int, String)
protected void onComponentTag(ComponentTag tag)
FormComponent
onComponentTag
in class FormComponent<java.util.Collection<T>>
tag
- Tag to modifyComponent.onComponentTag(ComponentTag)
protected java.util.Collection<T> convertValue(java.lang.String[] ids) throws ConversionException
FormComponent
IConverter
. WARNING: this method may be removed in future versions.
If conversion fails then a ConversionException should be thrown
convertValue
in class FormComponent<java.util.Collection<T>>
ids
- The value can be the getInput() or through a cookie
ConversionException
- If input can't be convertedFormComponent.convertValue(String[])
protected java.util.List<T> convertChoiceIdsToChoices(java.lang.String[] ids)
ids
- choice ids. this array is nonnull and always contains at least one id.
public void updateModel()
IModel.setObject(Object)
is called with the same instance: it allows the Model to
be notified of changes even when Model.getObject()
returns a different
Collection
at every invocation.
updateModel
in interface IFormModelUpdateListener
updateModel
in class FormComponent<java.util.Collection<T>>
java.lang.UnsupportedOperationException
- if the model object Collection cannot be modifiedFormComponent.updateModel()
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