/*
* TexturesCategory.java 5 oct. 2007
*
* Sweet Home 3D, Copyright (c) 2007 Emmanuel PUYBARET / eTeks <info@eteks.com>
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later
* version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA
*/
package com.eteks.sweethome3d.model;
import java.text.Collator;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
/**
* Category of textures.
* @author Emmanuel Puybaret
*/
public class TexturesCategory implements Comparable<TexturesCategory> {
private final String name;
private List<CatalogTexture> textures;
private boolean sorted;
private static final Collator COMPARATOR = Collator.getInstance();
/**
* Create a category.
* @param name the name of the category.
*/
public TexturesCategory(String name) {
this.name = name;
this.textures = new ArrayList<CatalogTexture>();
}
/**
* Returns the name of this category.
*/
public String getName() {
return this.name;
}
/**
* Returns the textures list of this category sorted by name.
* @return an unmodifiable list of furniture.
*/
public List<CatalogTexture> getTextures() {
checkTexturesSorted();
return Collections.unmodifiableList(this.textures);
}
/**
* Checks textures are sorted.
*/
private void checkTexturesSorted() {
if (!this.sorted) {
Collections.sort(this.textures);
this.sorted = true;
}
}
/**
* Returns the count of textures in this category.
*/
public int getTexturesCount() {
return this.textures.size();
}
/**
* Returns the texture at a given <code>index</code>.
*/
public CatalogTexture getTexture(int index) {
checkTexturesSorted();
return this.textures.get(index);
}
/**
* Returns the index of the given <code>texture</code>.
* @since 3.6
*/
public int getIndexOfTexture(CatalogTexture texture) {
checkTexturesSorted();
return this.textures.indexOf(texture);
}
/**
* Adds a texture to this category.
* @param texture the texture to add.
*/
void add(CatalogTexture texture) {
texture.setCategory(this);
this.textures.add(texture);
this.sorted = false;
}
/**
* Deletes a texture from this category.
* @param texture the texture to remove.
* @throws IllegalArgumentException if the texture doesn't exist in this category.
*/
void delete(CatalogTexture texture) {
int textureIndex = this.textures.indexOf(texture);
if (textureIndex == -1) {
throw new IllegalArgumentException(
this.name + " doesn't contain texture " + texture.getName());
}
// Make a copy of the list to avoid conflicts in the list returned by getTextures
this.textures = new ArrayList<CatalogTexture>(this.textures);
this.textures.remove(textureIndex);
}
/**
* Returns true if this category and the one in parameter have the same name.
*/
@Override
public boolean equals(Object obj) {
return obj instanceof TexturesCategory
&& COMPARATOR.equals(this.name, ((TexturesCategory)obj).name);
}
@Override
public int hashCode() {
return this.name.hashCode();
}
/**
* Compares the names of this category and the one in parameter.
*/
public int compareTo(TexturesCategory category) {
return COMPARATOR.compare(this.name, category.name);
}
}