package com.gitblit.models;
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import java.io.Serializable;
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import org.apache.wicket.PageParameters;
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import org.apache.wicket.markup.html.WebPage;
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import com.gitblit.utils.StringUtils;
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public class Menu {
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/**
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* A MenuItem for a drop down menu.
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*
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* @author James Moger
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* @since 1.6.0
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*/
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public abstract static class MenuItem implements Serializable {
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private static final long serialVersionUID = 1L;
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final String displayText;
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MenuItem(String displayText) {
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this.displayText = displayText;
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}
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@Override
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public int hashCode() {
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return displayText.hashCode();
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}
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@Override
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public boolean equals(Object o) {
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if (o instanceof MenuItem) {
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return hashCode() == o.hashCode();
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}
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return false;
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}
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@Override
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public String toString() {
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return displayText;
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}
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}
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/**
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* A divider for the menu.
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*
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* @since 1.6.0
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*/
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public static class MenuDivider extends MenuItem {
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private static final long serialVersionUID = 1L;
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public MenuDivider() {
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super("");
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}
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}
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/**
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* A MenuItem for setting a parameter of the current url.
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*
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* @author James Moger
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*
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*/
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public static class ParameterMenuItem extends MenuItem {
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private static final long serialVersionUID = 1L;
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final PageParameters parameters;
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final String parameter;
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final String value;
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final boolean isSelected;
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/**
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* @param displayText
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*/
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public ParameterMenuItem(String displayText) {
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this(displayText, null, null, null);
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}
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/**
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* @param displayText
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* @param parameter
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* @param value
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*/
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public ParameterMenuItem(String displayText, String parameter, String value) {
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this(displayText, parameter, value, null);
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}
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/**
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* @param displayText
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* @param parameter
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* @param value
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*/
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public ParameterMenuItem(String displayText, String parameter, String value,
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PageParameters params) {
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super(displayText);
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this.parameter = parameter;
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this.value = value;
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if (params == null) {
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// no parameters specified
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parameters = new PageParameters();
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setParameter(parameter, value);
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isSelected = false;
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} else {
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parameters = new PageParameters(params);
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if (parameters.containsKey(parameter)) {
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isSelected = params.getString(parameter).equals(value);
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// set the new selection value
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setParameter(parameter, value);
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} else {
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// not currently selected
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isSelected = false;
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setParameter(parameter, value);
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}
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}
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}
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protected void setParameter(String parameter, String value) {
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if (!StringUtils.isEmpty(parameter)) {
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if (StringUtils.isEmpty(value)) {
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this.parameters.remove(parameter);
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} else {
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this.parameters.put(parameter, value);
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}
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}
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}
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public String formatParameter() {
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if (StringUtils.isEmpty(parameter) || StringUtils.isEmpty(value)) {
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return "";
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}
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return parameter + "=" + value;
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}
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public PageParameters getPageParameters() {
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return parameters;
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}
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public boolean isSelected() {
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return isSelected;
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}
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@Override
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public int hashCode() {
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if (StringUtils.isEmpty(displayText)) {
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return value.hashCode() + parameter.hashCode();
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}
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return displayText.hashCode();
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}
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@Override
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public boolean equals(Object o) {
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if (o instanceof MenuItem) {
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return hashCode() == o.hashCode();
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}
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return false;
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}
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@Override
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public String toString() {
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if (StringUtils.isEmpty(displayText)) {
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return formatParameter();
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}
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return displayText;
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}
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}
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/**
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* Menu item for toggling a parameter.
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*
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*/
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public static class ToggleMenuItem extends ParameterMenuItem {
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private static final long serialVersionUID = 1L;
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/**
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* @param displayText
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* @param parameter
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* @param value
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*/
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public ToggleMenuItem(String displayText, String parameter, String value,
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PageParameters params) {
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super(displayText, parameter, value, params);
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if (isSelected) {
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// already selected, so remove this enables toggling
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parameters.remove(parameter);
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}
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}
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}
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/**
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* Menu item for linking to another Wicket page.
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*
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* @since 1.6.0
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*/
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public static class PageLinkMenuItem extends MenuItem {
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private static final long serialVersionUID = 1L;
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private final Class<? extends WebPage> pageClass;
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private final PageParameters params;
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/**
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* Page Link Item links to another page.
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*
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* @param displayText
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* @param pageClass
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* @since 1.6.0
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*/
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public PageLinkMenuItem(String displayText, Class<? extends WebPage> pageClass) {
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this(displayText, pageClass, null);
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}
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/**
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* Page Link Item links to another page.
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*
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* @param displayText
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* @param pageClass
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* @param params
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* @since 1.6.0
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*/
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public PageLinkMenuItem(String displayText, Class<? extends WebPage> pageClass, PageParameters params) {
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super(displayText);
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this.pageClass = pageClass;
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this.params = params;
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}
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/**
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* @return the page class
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* @since 1.6.0
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*/
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public Class<? extends WebPage> getPageClass() {
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return pageClass;
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}
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/**
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* @return the page parameters
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* @since 1.6.0
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*/
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public PageParameters getPageParameters() {
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return params;
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}
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}
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/**
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* Menu item to link to an external page.
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*
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* @since 1.6.0
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*/
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public static class ExternalLinkMenuItem extends MenuItem {
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private static final long serialVersionUID = 1L;
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private final String href;
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private final boolean newWindow;
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/**
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* External Link Item links to something else.
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*
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* @param displayText
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* @param href
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* @since 1.6.0
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*/
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public ExternalLinkMenuItem(String displayText, String href) {
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this(displayText, href, false);
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}
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/**
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* External Link Item links to something else.
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*
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* @param displayText
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* @param href
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* @since 1.6.0
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*/
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public ExternalLinkMenuItem(String displayText, String href, boolean newWindow) {
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super(displayText);
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this.href = href;
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this.newWindow = newWindow;
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}
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/**
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* @since 1.6.0
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*/
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public String getHref() {
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return href;
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}
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/**
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* @since 1.6.0
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*/
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public boolean openInNewWindow() {
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return newWindow;
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}
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}
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}
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