質問編集履歴
1
情報不足だったため加筆。
title
CHANGED
|
File without changes
|
body
CHANGED
|
@@ -23,4 +23,223 @@
|
|
|
23
23
|
adapter.NotifyDataSetChanged();
|
|
24
24
|
|
|
25
25
|
};
|
|
26
|
+
```
|
|
27
|
+
|
|
28
|
+
全体コード
|
|
29
|
+
```c#
|
|
30
|
+
using Android.App;
|
|
31
|
+
using Android.Widget;
|
|
32
|
+
using Android.OS;
|
|
33
|
+
using System.Collections.Generic;
|
|
34
|
+
using Android.Content;
|
|
35
|
+
using PCLStorage;
|
|
36
|
+
using Android.Runtime;
|
|
37
|
+
using Temo1.Resources.layout;
|
|
38
|
+
using Android.Views;
|
|
39
|
+
using static Android.Resource;
|
|
40
|
+
|
|
41
|
+
namespace Temo1
|
|
42
|
+
{
|
|
43
|
+
[Activity(Label = "Temo1", MainLauncher = true)]
|
|
44
|
+
public class MainActivity : Activity
|
|
45
|
+
{
|
|
46
|
+
protected override void OnCreate(Bundle savedInstanceState)
|
|
47
|
+
{
|
|
48
|
+
base.OnCreate(savedInstanceState);
|
|
49
|
+
|
|
50
|
+
// Set our view from the "main" layout resource
|
|
51
|
+
SetContentView(Resource.Layout.Main);
|
|
52
|
+
|
|
53
|
+
|
|
54
|
+
|
|
55
|
+
Button memobutton = FindViewById<Button>(Resource.Id.button1);
|
|
56
|
+
Button notebutton = FindViewById<Button>(Resource.Id.notebutton);
|
|
57
|
+
ExpandableListView memolist = FindViewById<ExpandableListView>(Resource.Id.expandableListView1);
|
|
58
|
+
|
|
59
|
+
string[] filename = new string[100];
|
|
60
|
+
int n;
|
|
61
|
+
var localFolder = FileSystem.Current.LocalStorage;
|
|
62
|
+
var files = localFolder.GetFilesAsync().Result;
|
|
63
|
+
|
|
64
|
+
|
|
65
|
+
//親リストgroupList子リストchildList
|
|
66
|
+
List<IDictionary<string, object>> groupList = new List<IDictionary<string, object>>();
|
|
67
|
+
List<IList<IDictionary<string, object>>> childList = new List<IList<IDictionary<string, object>>>();
|
|
68
|
+
|
|
69
|
+
//デフォルトのグループ"全て"
|
|
70
|
+
JavaDictionary<string, object> groupElement = new JavaDictionary<string, object>();
|
|
71
|
+
groupElement.Add("GROUP_TITLE", "ALL");
|
|
72
|
+
groupList.Add(groupElement);
|
|
73
|
+
|
|
74
|
+
|
|
75
|
+
|
|
76
|
+
|
|
77
|
+
|
|
78
|
+
//子リスト用の文字列(ファイル名)を配列に用意
|
|
79
|
+
n = 0;
|
|
80
|
+
foreach (var file in files)
|
|
81
|
+
{
|
|
82
|
+
var fn = file.Name;
|
|
83
|
+
fn = fn.Remove(fn.Length - 4);//拡張子を表示しないように末尾を削除
|
|
84
|
+
filename[n] = fn;//配列にファイル名を格納
|
|
85
|
+
n++;
|
|
86
|
+
}
|
|
87
|
+
|
|
88
|
+
|
|
89
|
+
JavaList<IDictionary<string, object>> childElements = new JavaList<IDictionary<string, object>>();
|
|
90
|
+
for (int j = 0; j <= n - 1; j++)
|
|
91
|
+
{
|
|
92
|
+
JavaDictionary<string, object> child = new JavaDictionary<string, object>();
|
|
93
|
+
child.Add("CHILD_TITLE", filename[j]);
|
|
94
|
+
childElements.Add(child);
|
|
95
|
+
}
|
|
96
|
+
childList.Add(childElements);
|
|
97
|
+
|
|
98
|
+
SimpleExpandableListAdapter adapter = new SimpleExpandableListAdapter(
|
|
99
|
+
this,
|
|
100
|
+
groupList,
|
|
101
|
+
Android.Resource.Layout.SimpleExpandableListItem1,
|
|
102
|
+
new string[] { "GROUPE_TITLE" },
|
|
103
|
+
new int[] { Android.Resource.Id.Text1 },
|
|
104
|
+
childList,
|
|
105
|
+
Android.Resource.Layout.SimpleExpandableListItem2,
|
|
106
|
+
new string[] { "CHILD_TITLE" },
|
|
107
|
+
new int[] { Android.Resource.Id.Text2 }
|
|
108
|
+
);
|
|
109
|
+
memolist.SetAdapter(adapter);
|
|
110
|
+
|
|
111
|
+
|
|
112
|
+
//親リスト追加
|
|
113
|
+
|
|
114
|
+
//リスト名入力ダイアログ
|
|
115
|
+
notebutton.Click += (_, __) =>
|
|
116
|
+
{
|
|
117
|
+
var layout = new LinearLayout(this) { Orientation = Orientation.Vertical };
|
|
118
|
+
layout.SetGravity(GravityFlags.Left);
|
|
119
|
+
var notename = new EditText(this);
|
|
120
|
+
notename.SetMaxLines(1);
|
|
121
|
+
layout.AddView(new TextView(this) { Text = "ノート名" });
|
|
122
|
+
layout.AddView(notename);
|
|
123
|
+
|
|
124
|
+
var dlg = new AlertDialog.Builder(this);
|
|
125
|
+
dlg.SetTitle("ノートの名前を入力してください。");
|
|
126
|
+
dlg.SetView(layout); //<=作成したビューを指定
|
|
127
|
+
|
|
128
|
+
dlg.SetPositiveButton("OK", (s, a) =>
|
|
129
|
+
{
|
|
130
|
+
Toast.MakeText(this, notename.Text, ToastLength.Short).Show();
|
|
131
|
+
|
|
132
|
+
if (!string.IsNullOrEmpty(notename.Text))
|
|
133
|
+
{
|
|
134
|
+
var newGroupElement = new JavaDictionary<string, object>();
|
|
135
|
+
newGroupElement.Add("GROUPE_LIST", notename.Text);
|
|
136
|
+
groupList.Add(newGroupElement);
|
|
137
|
+
adapter.NotifyDataSetChanged();
|
|
138
|
+
}
|
|
139
|
+
else
|
|
140
|
+
{
|
|
141
|
+
// 未入力エラー
|
|
142
|
+
}
|
|
143
|
+
});
|
|
144
|
+
dlg.Create().Show();
|
|
145
|
+
|
|
146
|
+
|
|
147
|
+
};
|
|
148
|
+
|
|
149
|
+
|
|
150
|
+
//メモ作成画面へ遷移
|
|
151
|
+
memobutton.Click += (_, __) =>
|
|
152
|
+
|
|
153
|
+
{
|
|
154
|
+
|
|
155
|
+
var intent = new Intent(this, typeof(memocreate));
|
|
156
|
+
|
|
157
|
+
StartActivity(intent);
|
|
158
|
+
|
|
159
|
+
|
|
160
|
+
};
|
|
161
|
+
|
|
162
|
+
|
|
163
|
+
//リストアイテムがクリックされたらテキスト編集に遷移
|
|
164
|
+
memolist.ChildClick+= async (sender, e) =>
|
|
165
|
+
{
|
|
166
|
+
var parent = (ExpandableListView)e.Parent;
|
|
167
|
+
var packedPosition = parent.GetExpandableListPosition(e.ChildPosition);
|
|
168
|
+
|
|
169
|
+
var groupPosition = ExpandableListView.GetPackedPositionGroup(packedPosition);
|
|
170
|
+
var childPosition = ExpandableListView.GetPackedPositionChild(packedPosition);
|
|
171
|
+
var type = ExpandableListView.GetPackedPositionType(packedPosition);
|
|
172
|
+
if (type == PackedPositionType.Child)
|
|
173
|
+
{
|
|
174
|
+
var item = (IDictionary<string, object>)parent.ExpandableListAdapter.GetChild(groupPosition, childPosition+1);
|
|
175
|
+
var clickfile = item["CHILD_TITLE"].ToString();
|
|
176
|
+
|
|
177
|
+
//そのファイルのテキストを取得
|
|
178
|
+
IFolder rootFolder = FileSystem.Current.LocalStorage;
|
|
179
|
+
IFile file = await rootFolder.GetFileAsync(clickfile + ".txt");
|
|
180
|
+
string saveddata = await file.ReadAllTextAsync();
|
|
181
|
+
|
|
182
|
+
var intent = new Intent(this, typeof(memoedit));
|
|
183
|
+
intent.PutExtra("clickfile", clickfile);
|
|
184
|
+
intent.PutExtra("Data", saveddata);
|
|
185
|
+
|
|
186
|
+
|
|
187
|
+
StartActivity(intent);
|
|
188
|
+
|
|
189
|
+
}
|
|
190
|
+
};
|
|
191
|
+
|
|
192
|
+
|
|
193
|
+
|
|
194
|
+
//長押しされたアイテムを削除
|
|
195
|
+
memolist.ItemLongClick += async (sender, e) =>
|
|
196
|
+
{
|
|
197
|
+
var parent = (ExpandableListView)e.Parent;
|
|
198
|
+
var packedPosition = parent.GetExpandableListPosition(e.Position);
|
|
199
|
+
|
|
200
|
+
var groupPosition = ExpandableListView.GetPackedPositionGroup(packedPosition);
|
|
201
|
+
var childPosition = ExpandableListView.GetPackedPositionChild(packedPosition);
|
|
202
|
+
var type = ExpandableListView.GetPackedPositionType(packedPosition);
|
|
203
|
+
if (type == PackedPositionType.Child)
|
|
204
|
+
{
|
|
205
|
+
var item = (IDictionary<string, object>)parent.ExpandableListAdapter.GetChild(groupPosition, childPosition);
|
|
206
|
+
var deletefile = item["CHILD_TITLE"].ToString();
|
|
207
|
+
|
|
208
|
+
|
|
209
|
+
//adapterから削除し更新
|
|
210
|
+
childList[groupPosition].Remove(item);
|
|
211
|
+
adapter.NotifyDataSetChanged();
|
|
212
|
+
|
|
213
|
+
//元ファイル削除
|
|
214
|
+
IFolder rootFolder = FileSystem.Current.LocalStorage;
|
|
215
|
+
IFile file = await rootFolder.GetFileAsync(deletefile + ".txt");
|
|
216
|
+
|
|
217
|
+
await file.DeleteAsync();
|
|
218
|
+
}
|
|
219
|
+
|
|
220
|
+
|
|
221
|
+
};
|
|
222
|
+
|
|
223
|
+
|
|
224
|
+
|
|
225
|
+
|
|
226
|
+
|
|
227
|
+
|
|
228
|
+
|
|
229
|
+
|
|
230
|
+
|
|
231
|
+
|
|
232
|
+
|
|
233
|
+
|
|
234
|
+
|
|
235
|
+
|
|
236
|
+
|
|
237
|
+
|
|
238
|
+
|
|
239
|
+
|
|
240
|
+
|
|
241
|
+
|
|
242
|
+
}
|
|
243
|
+
}
|
|
244
|
+
}
|
|
26
245
|
```
|