Updated FileNode Struct

Added New Field `absolutePath` to FileNode struct. This helps in adding
the song to the playlist through the Add Button.

fileBrowser.go

@@ -1,46 +1,51 @@
 package main
 
 import (
-	"strings"
 	"fmt"
+	"strings"
 )
 
-type FileNode struct{
-	children [] FileNode
-	path string
-	parent *FileNode
+type FileNode struct {
+	children     []FileNode
+	path         string
+	parent       *FileNode
+	absolutePath string
 }
 
-func (f *FileNode) addChildren(path string){
-	f.children = append(f.children, FileNode{children: make([]FileNode, 0), path: path, parent: f})
+func (f *FileNode) addChildren(path string) {
+	if f.path != "" {
+		f.children = append(f.children, FileNode{children: make([]FileNode, 0), path: path, parent: f, absolutePath: f.absolutePath + "/" + path})
+	} else {
+		f.children = append(f.children, FileNode{children: make([]FileNode, 0), path: path, parent: f, absolutePath: f.absolutePath + path})
+	}
 }
 
-func (f *FileNode) addChildNode(m FileNode){
+func (f *FileNode) addChildNode(m FileNode) {
 	m.parent = f
 	f.children = append(f.children, m)
 }
 
-func generateDirectoryTree(path [] string) *FileNode{
+func generateDirectoryTree(path []string) *FileNode {
 	var head *FileNode = new(FileNode)
 	var head1 *FileNode = head
-	for i := range(path){
+	for i := range path {
 		sepPaths := strings.Split(path[i], "/")
-		for j := range(sepPaths){
-			if(len(head.children) == 0){
+		for j := range sepPaths {
+			if len(head.children) == 0 {
 				head.addChildren(sepPaths[j])
-				head = &(head.children[len(head.children) - 1])
+				head = &(head.children[len(head.children)-1])
 			} else {
 				var headIsChanged = false
-				for k := range(head.children){
+				for k := range head.children {
 					if head.children[k].path == sepPaths[j] {
 						head = &(head.children[k])
 						headIsChanged = true
 						break
 					}
 				}
-				if(!headIsChanged){
+				if !headIsChanged {
 					head.addChildren(sepPaths[j])
-					head = &(head.children[len(head.children) - 1])
+					head = &(head.children[len(head.children)-1])
 				}
 			}
 		}
@@ -49,14 +54,15 @@ func generateDirectoryTree(path [] string) *FileNode{
 	return head
 }
 
-func (f FileNode) Print(count int){
-	if (len(f.children) == 0){
+func (f FileNode) Print(count int) {
+	if len(f.children) == 0 {
 		return
-	} else{
-		for i := range f.children{
-			for j := 0 ; j < count ; j++ {
+	} else {
+		for i := range f.children {
+			for j := 0; j < count; j++ {
 				fmt.Print("---")
-			}; fmt.Println(f.children[i].path)
+			}
+			fmt.Println(f.children[i].absolutePath)
 			f.children[i].Print(count + 1)
 		}
 	}