package net.bootsfaces.menu;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;

@ManagedBean
@SessionScoped
public class ComponentListBean {
	
	private Map<String, String> allConcepts = new HashMap<>();
	private Map<String, String> filteredConcepts = new HashMap<>();

	private String filter = null;
	
	private String[] filteredTags = ComponentList.tags;
	
	public ComponentListBean() {
		allConcepts.put("Grid system", "layout/basic.jsf");
		allConcepts.put("PrimeFaces", "integration/PrimeFaces.jsf");
		allConcepts.put("Converters", "forms/converters.jsf");
		allConcepts.put("AJAX", "forms/ajax.jsf");
		allConcepts.put("Search expressions", "forms/searchExpressions.jsf");
		allConcepts.put("BlockUI", "forms/blockUI.jsf");
		allConcepts.put("Fontawesome 5", "layout/fontawesome5.jsf");
		filteredConcepts = allConcepts;
	}
	
	public String[] getTags() {
		return filteredTags;
	}
	
	public String url(String component) {
		return ComponentList.docFiles.get(component);
	}

	public String getFilter() {
		return filter;
	}

	public void setFilter(String filter) {
		if (filter == null || filter.trim().equals("")) {
			filteredTags = ComponentList.tags;
			this.filter = filter;
			filteredConcepts = allConcepts;
		} else {
			filter = filter.replace("<b:", "<");
			if (filter.equals(this.filter)) {
				return;
			}
			this.filter = filter;
			String smallFilter = filter.toLowerCase().trim();
			List<String> result = new ArrayList<>(ComponentList.tags.length);
			for (String s: ComponentList.tags) {
				if (s.toLowerCase().contains(smallFilter)) {
					result.add(s);
				}
			}
			final String finalFilter = filter.toLowerCase();
			filteredTags = result.toArray(new String[result.size()]);
			filteredConcepts = new HashMap<>();
			allConcepts.forEach((name, url) -> 
				{ 
					if (name.toLowerCase().contains(finalFilter) ) { filteredConcepts.put(name, url); }
				});
		}
	}

	public String[] getFilteredTags() {
		return filteredTags;
	}

	public void setFilteredTags(String[] filteredTags) {
		this.filteredTags = filteredTags;
	}
	
	public void updateFilter() {	}
	
	public String getDisplayName(String c) {
		c = c.replace("<", "").replace(">", "");
		c = c.substring(0, 1).toUpperCase() + c.substring(1);
		return c;
	}
	
	public String addSlashIfNecessary(String path) {
//		if (path.length() <= 1) {
//			return path;
//		}
		if (path.endsWith("/")) {
			return path;
		}
		return path + "/";
	}

	public Map<String, String> getFilteredConcepts() {
		return filteredConcepts;
	}
}

package net.bootsfaces.menu;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;

@ManagedBean
@SessionScoped
public class ComponentListBean {
	
	private Map<String, String> allConcepts = new HashMap<>();
	private Map<String, String> filteredConcepts = new HashMap<>();

	private String filter = null;
	
	private String[] filteredTags = ComponentList.tags;
	
	public ComponentListBean() {
		allConcepts.put("Grid system", "layout/basic.jsf");
		allConcepts.put("PrimeFaces", "integration/PrimeFaces.jsf");
		allConcepts.put("Converters", "forms/converters.jsf");
		allConcepts.put("AJAX", "forms/ajax.jsf");
		allConcepts.put("Search expressions", "forms/searchExpressions.jsf");
		allConcepts.put("BlockUI", "forms/blockUI.jsf");
		allConcepts.put("Fontawesome 5", "layout/fontawesome5.jsf");
		filteredConcepts = allConcepts;
	}
	
	public String[] getTags() {
		return filteredTags;
	}
	
	public String url(String component) {
		return ComponentList.docFiles.get(component);
	}

	public String getFilter() {
		return filter;
	}

	public void setFilter(String filter) {
		if (filter == null || filter.trim().equals("")) {
			filteredTags = ComponentList.tags;
			this.filter = filter;
			filteredConcepts = allConcepts;
		} else {
			filter = filter.replace("<b:", "<");
			if (filter.equals(this.filter)) {
				return;
			}
			this.filter = filter;
			String smallFilter = filter.toLowerCase().trim();
			List<String> result = new ArrayList<>(ComponentList.tags.length);
			for (String s: ComponentList.tags) {
				if (s.toLowerCase().contains(smallFilter)) {
					result.add(s);
				}
			}
			final String finalFilter = filter.toLowerCase();
			filteredTags = result.toArray(new String[result.size()]);
			filteredConcepts = new HashMap<>();
			allConcepts.forEach((name, url) -> 
				{ 
					if (name.toLowerCase().contains(finalFilter) ) { filteredConcepts.put(name, url); }
				});
		}
	}

	public String[] getFilteredTags() {
		return filteredTags;
	}

	public void setFilteredTags(String[] filteredTags) {
		this.filteredTags = filteredTags;
	}
	
	public void updateFilter() {	}
	
	public String getDisplayName(String c) {
		c = c.replace("<", "").replace(">", "");
		c = c.substring(0, 1).toUpperCase() + c.substring(1);
		return c;
	}
	
	public String addSlashIfNecessary(String path) {
		if (path.endsWith("/")) {
			return path;
		}
		return path + "/";
	}

	public Map<String, String> getFilteredConcepts() {
		return filteredConcepts;
	}
}

Update ComponentListBean.java