source: other-projects/FileTransfer-WebSocketPair/testGXTWithGreenstone/src/com/gs3/testGXT/client/Keys/FileSystemKey.java@ 33053

package com.gs3.testGXT.client.Keys;

import java.util.Comparator;

public class FileSystemKey implements Comparable<FileSystemKey> {
    String key1; //path
    String key2; //name
    
    String path; //actual path
    
    boolean folder = false;  //indicator for if this item happens to be a folder
    boolean walked = false;  //indicator for if we've realized this nodes children yet
    boolean droppable = true;
    
    public FileSystemKey(FileSystemKey k) {
        this.key1 = k.key1;
        this.key2 = k.key2;
        this.folder = k.folder;
        this.path = "";
        
        this.path = k.path;
    }

    public FileSystemKey(String key1, String key2, boolean folder, boolean walked) {
        this.key1 = key1;
        this.key2 = key2;
        this.folder = folder;
        this.path = key1 + "/" + key2;
        this.walked = walked;
    }
    
    //manually specify path, for the async method versions
    public FileSystemKey(String key1, String key2, boolean folder, boolean walked, String path) {
        this.key1 = key1;
        this.key2 = key2;
        this.folder = folder;
        this.walked = walked;
        this.path = path;
    }

    public void SetKey(String k1, String k2, Boolean folder) {
        if(k1 != null) {
            this.key1 = k1;
        }
        if(k2 != null) {
            this.key2 = k2;
        }
        if(folder != null) {
            this.folder = folder;
        }
    }
    
    public boolean Walked() {
        return walked;
    }
    
    public void setWalked() {
        walked = true;
    }
    
    public void Refresh() {
        walked = false;
    }
    
    public String Key1() {
        return key1;
    }

    public String Key2() {
        return key2;
    }
    
    public boolean isFolder() {
        return folder;      
    }

        
    //whether or not this is a folder is not included in the key or the hashcode,
    //nor the string representation or comparator
    @Override
    public boolean equals(Object obj) {
        if (obj == null) {
            return false;
        }
        if (this.getClass().equals(obj.getClass())) {
            final FileSystemKey other = (FileSystemKey) obj;
            return key1.equals(other.key1) && key2.equals(other.key2);
        } else {
            return false;
        }
    }

    @Override
    public int hashCode() { 
        int hash = 3;
        hash = 53 * hash + (this.key1 != null ? this.key1.hashCode() : 0);
        hash = 53 * hash + (this.key2 != null ? this.key2.hashCode() : 0);
        return hash;
    }

    /**
     * Gives the string representation for the item: ie, folder/file name
     */
    @Override
    public String toString() {
        return key2;
    }

    /**
     * Gives the string representation of the item path (only useful for left-hand side) - Override for shortcuts
     */
    public String toPath() {
        return this.path;
    }
    
    /**
     * Gives the unique key for this item
     */
    public String toKey() {
        return key1 + key2;
    }
    
    /**
     * Define whether or not the current item can be drag-dropped
     */
    public boolean Droppable() {
        return droppable;
    }
    
    @Override
    public int compareTo(FileSystemKey o) {
        int value = (key1 + "/" + key2).compareTo(o.key1 + "/" + o.key2);
        //not sure if the magnitude of these values really matters at all
        if(isFolder() && !o.isFolder())
            return -100;
        else if (o.isFolder() && !isFolder())
            return 100;
        
        return value;
    }
    
    public static Comparator<FileSystemKey> getComparator() {
        return new Comparator<FileSystemKey>(){

            @Override
            public int compare(FileSystemKey C1, FileSystemKey C2) {
                return C1.compareTo(C2);
            }
        };
    }
}