1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
|
//
// rhlibrary
//
// The Radio Helsinki Rivendell Library
//
//
// Copyright (C) 2016 Christian Pointner <equinox@helsinki.at>
//
// This file is part of rhlibrary.
//
// rhlibrary 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 3 of the License, or
// any later version.
//
// rhlibrary 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 rhlibrary. If not, see <http://www.gnu.org/licenses/>.
//
package main
import (
"fmt"
"sort"
"sync"
"code.helsinki.at/rhrd-go/player"
"code.helsinki.at/rhrd-go/rddb"
"github.com/gotk3/gotk3/glib"
"github.com/gotk3/gotk3/gtk"
)
const (
POOLS_COL_CART = iota
POOLS_COL_ARTIST
POOLS_COL_TITLE
POOLS_COL_ALBUM
)
var (
poolsMutex sync.Mutex
pools rddb.PoolList
poolsComboBox *gtk.ComboBoxText
poolsCurrentGroup string
PoolsCartListStore *gtk.ListStore
)
func fetchPools(db *rddb.DBChan) (err error) {
poolsMutex.Lock()
defer poolsMutex.Unlock()
if pools, err = db.GetPoolList(rhuser.Username); err != nil {
return err
}
return
}
func updatePools(db *rddb.DBChan) (err error) {
if err = fetchPools(db); err != nil {
return
}
var keys []string
for k, _ := range pools {
keys = append(keys, k)
}
sort.Strings(keys)
poolsComboBox.RemoveAll()
for _, group := range keys {
poolsComboBox.Append(group, pools[group].Description)
}
if !poolsComboBox.SetActiveID(poolsCurrentGroup) {
poolsComboBox.SetActive(0)
}
return
}
func selectPool() rddb.PoolListEntry {
id := poolsComboBox.GetActiveID()
if id == "" {
return rddb.PoolListEntry{}
}
poolsCurrentGroup = id
poolsMutex.Lock()
defer poolsMutex.Unlock()
return pools[poolsCurrentGroup]
}
func addPoolComboBox(grid *gtk.Grid, db *rddb.DBChan, p *player.PlayerChan) (err error) {
var box *gtk.Box
if box, err = gtk.BoxNew(gtk.ORIENTATION_HORIZONTAL, 10); err != nil {
return
}
var label *gtk.Label
if label, err = gtk.LabelNew("Musik-Pool auswählen"); err != nil {
return
}
box.PackStart(label, false, false, 0)
if poolsComboBox, err = gtk.ComboBoxTextNew(); err != nil {
return
}
if err = updatePools(db); err != nil {
return err
}
poolsComboBox.Connect("changed", func(_ *gtk.ComboBoxText) {
pool := selectPool()
if pool.Group == "" {
return
}
glib.IdleAdd(func() {
if err = updatePoolCartListRows(pool, db, p); err != nil {
rhdl.Printf("error loading pool carts for %s: %v", pool.Group, err)
return
}
})
rhdl.Printf("pool %s is now selected: %s", pool.Group, pool.Description)
})
box.PackStart(poolsComboBox, true, true, 0)
box.SetHExpand(true)
grid.Attach(box, 1, 1, 1, 1)
return
}
func updatePoolCartListRows(pool rddb.PoolListEntry, db *rddb.DBChan, p *player.PlayerChan) (err error) {
carts, err := db.GetPoolCartList(pool)
if err != nil {
return err
}
PoolsCartListStore.Clear()
for num, cart := range carts {
iter := PoolsCartListStore.Append()
err = PoolsCartListStore.Set(iter,
[]int{POOLS_COL_CART, POOLS_COL_ARTIST, POOLS_COL_TITLE, POOLS_COL_ALBUM},
[]interface{}{fmt.Sprintf("%d", num), cart.Artist, cart.Title, cart.Album})
if err != nil {
return
}
}
return
}
func appendPoolCartListColumn(tree *gtk.TreeView, title string, id int) (err error) {
var cell *gtk.CellRendererText
if cell, err = gtk.CellRendererTextNew(); err != nil {
return
}
var col *gtk.TreeViewColumn
if col, err = gtk.TreeViewColumnNewWithAttribute(title, cell, "text", id); err != nil {
return
}
tree.AppendColumn(col)
return
}
func addPoolCartList(grid *gtk.Grid, db *rddb.DBChan, p *player.PlayerChan) (err error) {
var tree *gtk.TreeView
if tree, err = gtk.TreeViewNew(); err != nil {
return
}
appendPoolCartListColumn(tree, "#Cart", POOLS_COL_CART)
appendPoolCartListColumn(tree, "Interpret", POOLS_COL_ARTIST)
appendPoolCartListColumn(tree, "Titel", POOLS_COL_TITLE)
appendPoolCartListColumn(tree, "Album", POOLS_COL_ALBUM)
if PoolsCartListStore, err = gtk.ListStoreNew(glib.TYPE_STRING, glib.TYPE_STRING, glib.TYPE_STRING, glib.TYPE_STRING); err != nil {
return
}
tree.SetModel(PoolsCartListStore)
grid.Attach(tree, 1, 2, 1, 1)
return
}
func getPoolsSelectorWidget(db *rddb.DBChan, p *player.PlayerChan) (gtk.IWidget, error) {
grid, err := gtk.GridNew()
if err != nil {
return nil, err
}
grid.SetRowSpacing(25)
grid.SetHExpand(true)
grid.SetVExpand(true)
if err = addPoolComboBox(grid, db, p); err != nil {
return nil, err
}
if err = addPoolCartList(grid, db, p); err != nil {
return nil, err
}
var frame *gtk.Frame
if frame, err = gtk.FrameNew(""); err != nil {
return nil, err
}
if err = setCssStyle(&frame.Widget, ".frame { border: 0; padding: 25px 42px; }"); err != nil {
return nil, err
}
frame.Add(grid)
return frame, nil
}
|