回答編集履歴
3
修正
test
CHANGED
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@@ -14,7 +14,7 @@
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14
14
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15
15
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---
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16
16
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操作できず表示の確認だけですが、 json を用いるようにしてみました。
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17
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-
Span 毎に処理を行う必要があるため、 AbsoluteSizeSpan と ForegroundColorSpan だけに対応です。
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17
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+
Span 毎に処理を行う必要があるため、 サンプルとして AbsoluteSizeSpan と ForegroundColorSpan だけに対応です。
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18
18
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```java
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19
19
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import androidx.appcompat.app.AppCompatActivity;
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20
20
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2
コード修正
test
CHANGED
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@@ -35,7 +35,7 @@
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35
35
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private static final class SpanObject {
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36
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private static class What {
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37
37
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private static final class Param {
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38
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-
String type, value;
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38
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+
final String type, value;
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39
39
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Param(int value) {
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40
40
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type = int.class.getCanonicalName();
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41
41
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this.value = "" + value;
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@@ -43,6 +43,20 @@
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43
43
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Param(boolean value) {
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44
44
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type = boolean.class.getCanonicalName();
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45
45
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this.value = "" + value;
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46
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+
}
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47
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+
Class<?> getType() {
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48
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+
switch(type) {
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49
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+
case "int": return int.class;
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50
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+
case "boolean": return boolean.class;
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51
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default: return String.class;
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52
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}
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53
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}
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54
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Object getValue() {
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55
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switch(type) {
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56
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+
case "int": return Integer.parseInt(value);
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57
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+
case "boolean": return Boolean.parseBoolean(value);
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58
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default: return value;
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+
}
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46
60
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}
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47
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@Override
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48
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public String toString() { return "[type="+type+",value="+value+"]"; }
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@@ -64,23 +78,13 @@
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64
78
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params[0] = new Param(span.getForegroundColor());
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65
79
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}
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66
80
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Object generate() throws ClassNotFoundException, NoSuchMethodException, InvocationTargetException, IllegalAccessException, InstantiationException {
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67
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-
Class clazz = Class.forName(className);
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68
81
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Class<?>[] paramTypes = new Class[params.length];
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69
82
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Object[] initargs = new Object[params.length];
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70
83
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for(int i=0; i<params.length; i++) {
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71
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-
if(params[i].type.equals("int")) {
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72
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-
paramTypes[i] = int.class;
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73
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-
initargs[i] = Integer.parseInt(params[i].value);
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74
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-
} else if(params[i].type.equals("boolean")) {
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75
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-
paramTypes[i] = boolean.class;
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76
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-
initargs[i] = Boolean.parseBoolean(params[i].value);
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77
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-
} else { //String.class
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78
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-
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84
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+
paramTypes[i] = params[i].getType();
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79
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-
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85
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+
initargs[i] = params[i].getValue();
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80
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-
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86
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+
}
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81
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-
}
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82
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-
Constructor constructor = clazz.getConstructor(paramTypes);
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83
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-
return constructor.newInstance(initargs);
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87
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+
return Class.forName(className).getConstructor(paramTypes).newInstance(initargs);
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84
88
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}
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85
89
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@Override
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86
90
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public String toString() {
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@@ -160,7 +164,7 @@
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160
164
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editText.setText(ssb);
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161
165
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162
166
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EditedText editedText = new EditedText(ssb);
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163
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-
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167
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+
Log.d("*** toString ***", editedText.toString());
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164
168
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165
169
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Gson gson = new Gson();
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166
170
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String json = gson.toJson(editedText);
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1
コード等追加
test
CHANGED
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@@ -11,3 +11,224 @@
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11
11
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と思われます。
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12
12
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13
13
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ただ、 realm で保存・再生する為に HTMLを介するのが正しいのかという点は再考する余地はあるように感じます。
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14
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+
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15
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+
---
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16
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+
操作できず表示の確認だけですが、 json を用いるようにしてみました。
|
|
17
|
+
Span 毎に処理を行う必要があるため、 AbsoluteSizeSpan と ForegroundColorSpan だけに対応です。
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18
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+
```java
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19
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+
import androidx.appcompat.app.AppCompatActivity;
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20
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+
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21
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+
import android.graphics.Color;
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22
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+
import android.os.*;
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23
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+
import android.text.*;
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24
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+
import android.text.style.*;
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25
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+
import android.util.Log;
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26
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+
import android.widget.*;
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27
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+
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28
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+
import com.google.gson.Gson;
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29
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+
import com.google.gson.annotations.SerializedName;
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30
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+
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31
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+
import java.lang.reflect.*;
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32
|
+
import java.util.regex.*;
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33
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+
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34
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+
class EditedText {
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35
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+
private static final class SpanObject {
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36
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+
private static class What {
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37
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+
private static final class Param {
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38
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+
String type, value;
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|
39
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+
Param(int value) {
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|
40
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+
type = int.class.getCanonicalName();
|
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41
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+
this.value = "" + value;
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42
|
+
}
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|
43
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+
Param(boolean value) {
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|
44
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+
type = boolean.class.getCanonicalName();
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45
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+
this.value = "" + value;
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46
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+
}
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47
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+
@Override
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|
48
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+
public String toString() { return "[type="+type+",value="+value+"]"; }
|
|
49
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+
}
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|
50
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+
@SerializedName("class")
|
|
51
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+
String className;
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52
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+
Param[] params;
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53
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+
What(Class<?> clazz, int size) {
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|
54
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+
className = clazz.getCanonicalName();
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55
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+
params = new Param[size];
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56
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+
}
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57
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+
What(AbsoluteSizeSpan span) {
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58
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+
this(span.getClass(), 2);
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59
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+
params[0] = new Param(span.getSize());
|
|
60
|
+
params[1] = new Param(span.getDip());
|
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61
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+
}
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62
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+
What(ForegroundColorSpan span) {
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63
|
+
this(span.getClass(), 1);
|
|
64
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+
params[0] = new Param(span.getForegroundColor());
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65
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+
}
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66
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+
Object generate() throws ClassNotFoundException, NoSuchMethodException, InvocationTargetException, IllegalAccessException, InstantiationException {
|
|
67
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+
Class clazz = Class.forName(className);
|
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68
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+
Class<?>[] paramTypes = new Class[params.length];
|
|
69
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+
Object[] initargs = new Object[params.length];
|
|
70
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+
for(int i=0; i<params.length; i++) {
|
|
71
|
+
if(params[i].type.equals("int")) {
|
|
72
|
+
paramTypes[i] = int.class;
|
|
73
|
+
initargs[i] = Integer.parseInt(params[i].value);
|
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74
|
+
} else if(params[i].type.equals("boolean")) {
|
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75
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+
paramTypes[i] = boolean.class;
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76
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+
initargs[i] = Boolean.parseBoolean(params[i].value);
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77
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+
} else { //String.class
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|
78
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+
paramTypes[i] = Class.forName(params[i].type);
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|
79
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+
initargs[i] = params[i].value;
|
|
80
|
+
}
|
|
81
|
+
}
|
|
82
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+
Constructor constructor = clazz.getConstructor(paramTypes);
|
|
83
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+
return constructor.newInstance(initargs);
|
|
84
|
+
}
|
|
85
|
+
@Override
|
|
86
|
+
public String toString() {
|
|
87
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+
StringBuilder sb = new StringBuilder("[");
|
|
88
|
+
sb.append("class=").append(className);
|
|
89
|
+
sb.append(",params=[");
|
|
90
|
+
for(int i=0; i<params.length; i++) sb.append(i > 0 ? "," : "").append(params[i]);
|
|
91
|
+
sb.append("]");
|
|
92
|
+
return sb.append("]").toString();
|
|
93
|
+
}
|
|
94
|
+
}
|
|
95
|
+
@SerializedName("object")
|
|
96
|
+
What what;
|
|
97
|
+
int start, end, flags;
|
|
98
|
+
|
|
99
|
+
@Override
|
|
100
|
+
public String toString() {
|
|
101
|
+
StringBuilder sb = new StringBuilder("[");
|
|
102
|
+
sb.append("what=").append(what);
|
|
103
|
+
sb.append(",start=").append(start);
|
|
104
|
+
sb.append(",end=").append(end);
|
|
105
|
+
sb.append(",flags=").append(flags);
|
|
106
|
+
return sb.append("]").toString();
|
|
107
|
+
}
|
|
108
|
+
}
|
|
109
|
+
private String text;
|
|
110
|
+
private SpanObject[] spans;
|
|
111
|
+
|
|
112
|
+
EditedText(Spanned spanned) {
|
|
113
|
+
text = spanned.toString();
|
|
114
|
+
Object[] spans = spanned.getSpans(0, spanned.length(), Object.class);
|
|
115
|
+
this.spans = new SpanObject[spans.length];
|
|
116
|
+
for(int i=0; i<spans.length; i++) {
|
|
117
|
+
SpanObject span = new SpanObject();
|
|
118
|
+
if(spans[i] instanceof AbsoluteSizeSpan) {
|
|
119
|
+
span.what = new SpanObject.What((AbsoluteSizeSpan)spans[i]);
|
|
120
|
+
} else if(spans[i] instanceof ForegroundColorSpan) {
|
|
121
|
+
span.what = new SpanObject.What((ForegroundColorSpan)spans[i]);
|
|
122
|
+
}
|
|
123
|
+
span.start = spanned.getSpanStart(spans[i]);
|
|
124
|
+
span.end = spanned.getSpanEnd(spans[i]);
|
|
125
|
+
span.flags = spanned.getSpanFlags(spans[i]);
|
|
126
|
+
this.spans[i] = span;
|
|
127
|
+
}
|
|
128
|
+
}
|
|
129
|
+
|
|
130
|
+
Spanned toSpanned() throws ClassNotFoundException, InvocationTargetException, NoSuchMethodException, IllegalAccessException, InstantiationException {
|
|
131
|
+
SpannableStringBuilder ssb = new SpannableStringBuilder(text);
|
|
132
|
+
for(SpanObject span : spans) ssb.setSpan(span.what.generate(), span.start, span.end, span.flags);
|
|
133
|
+
return ssb;
|
|
134
|
+
}
|
|
135
|
+
|
|
136
|
+
@Override
|
|
137
|
+
public String toString() {
|
|
138
|
+
StringBuilder sb = new StringBuilder("[");
|
|
139
|
+
sb.append("text=").append(text);
|
|
140
|
+
sb.append(",spans=[");
|
|
141
|
+
for(int i=0; i<spans.length; i++) sb.append(i > 0 ? "," : "").append(spans[i]);
|
|
142
|
+
sb.append("]");
|
|
143
|
+
return sb.append("]").toString();
|
|
144
|
+
}
|
|
145
|
+
}
|
|
146
|
+
|
|
147
|
+
public class MainActivity extends AppCompatActivity {
|
|
148
|
+
@Override
|
|
149
|
+
protected void onCreate(Bundle savedInstanceState) {
|
|
150
|
+
super.onCreate(savedInstanceState);
|
|
151
|
+
setContentView(R.layout.activity_main);
|
|
152
|
+
|
|
153
|
+
EditText editText = findViewById(R.id.editText);
|
|
154
|
+
TextView textView = findViewById(R.id.textView);
|
|
155
|
+
|
|
156
|
+
SpannableStringBuilder ssb = new SpannableStringBuilder("ACDEFG");
|
|
157
|
+
ssb.setSpan(new AbsoluteSizeSpan(50, true), 2, 4, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
|
|
158
|
+
ssb.setSpan(new ForegroundColorSpan(Color.RED), 3, 5, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
|
|
159
|
+
//editText.setText("１\n２\n\n３\n\n\n４\n\n\n\n５\n\n\n\n\n６");
|
|
160
|
+
editText.setText(ssb);
|
|
161
|
+
|
|
162
|
+
EditedText editedText = new EditedText(ssb);
|
|
163
|
+
//Log.d("*** toString ***", editedText.toString());
|
|
164
|
+
|
|
165
|
+
Gson gson = new Gson();
|
|
166
|
+
String json = gson.toJson(editedText);
|
|
167
|
+
Log.d("*** toJson ***", json);
|
|
168
|
+
|
|
169
|
+
EditedText newEdtedText = gson.fromJson(json, EditedText.class);
|
|
170
|
+
try {
|
|
171
|
+
textView.setText(newEdtedText.toSpanned());
|
|
172
|
+
} catch(ClassNotFoundException|
|
|
173
|
+
InvocationTargetException|
|
|
174
|
+
NoSuchMethodException|
|
|
175
|
+
IllegalAccessException|
|
|
176
|
+
InstantiationException e) {
|
|
177
|
+
e.printStackTrace();
|
|
178
|
+
}
|
|
179
|
+
}
|
|
180
|
+
|
|
181
|
+
//コントロールコードを文字化
|
|
182
|
+
private String toText(Spanned htmlSpanned) {
|
|
183
|
+
StringBuilder sb = new StringBuilder();
|
|
184
|
+
Pattern p = Pattern.compile("[\u0000-\u001F]");
|
|
185
|
+
int last = 0;
|
|
186
|
+
for(Matcher m=p.matcher(htmlSpanned); m.find(last); last=m.end()) {
|
|
187
|
+
sb.append(htmlSpanned.subSequence(last, m.start()));
|
|
188
|
+
char c = m.group().charAt(0);
|
|
189
|
+
sb.append("^").append((char)(c + '@'));
|
|
190
|
+
}
|
|
191
|
+
sb.append(htmlSpanned.subSequence(last, htmlSpanned.length()));
|
|
192
|
+
return sb.toString();
|
|
193
|
+
}
|
|
194
|
+
}
|
|
195
|
+
```
|
|
196
|
+
res/layout/activity_main.xml
|
|
197
|
+
```xml
|
|
198
|
+
<?xml version="1.0" encoding="utf-8"?>
|
|
199
|
+
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
|
|
200
|
+
xmlns:app="http://schemas.android.com/apk/res-auto"
|
|
201
|
+
xmlns:tools="http://schemas.android.com/tools"
|
|
202
|
+
android:layout_width="match_parent"
|
|
203
|
+
android:layout_height="match_parent"
|
|
204
|
+
tools:context=".MainActivity">
|
|
205
|
+
|
|
206
|
+
<EditText
|
|
207
|
+
android:id="@+id/editText"
|
|
208
|
+
android:layout_width="0dp"
|
|
209
|
+
android:layout_height="0dp"
|
|
210
|
+
android:textSize="30dp"
|
|
211
|
+
app:layout_constraintBottom_toTopOf="@id/textView"
|
|
212
|
+
app:layout_constraintEnd_toEndOf="parent"
|
|
213
|
+
app:layout_constraintStart_toStartOf="parent"
|
|
214
|
+
app:layout_constraintTop_toTopOf="parent" />
|
|
215
|
+
<TextView
|
|
216
|
+
android:id="@+id/textView"
|
|
217
|
+
android:layout_width="0dp"
|
|
218
|
+
android:layout_height="0dp"
|
|
219
|
+
android:textSize="30dp"
|
|
220
|
+
android:background="#e0e0e0"
|
|
221
|
+
app:layout_constraintBottom_toBottomOf="parent"
|
|
222
|
+
app:layout_constraintEnd_toEndOf="parent"
|
|
223
|
+
app:layout_constraintStart_toStartOf="parent"
|
|
224
|
+
app:layout_constraintTop_toBottomOf="@id/editText" />
|
|
225
|
+
</androidx.constraintlayout.widget.ConstraintLayout>
|
|
226
|
+
```
|
|
227
|
+
エミュレータ実行結果
|
|
228
|
+
|
|
229
|
+
実行時ログ
|
|
230
|
+
```plain
|
|
231
|
+
D/*** toString ***: [text=ACDEFG,spans=[[what=[class=android.text.style.AbsoluteSizeSpan,params=[[type=int,value=50],[type=boolean,value=true]]],start=2,end=4,flags=33],[what=[class=android.text.style.ForegroundColorSpan,params=[[type=int,value=-65536]]],start=3,end=5,flags=33]]]
|
|
232
|
+
D/*** toJson ***: {"spans":[{"end":4,"flags":33,"start":2,"object":{"class":"android.text.style.AbsoluteSizeSpan","params":[{"type":"int","value":"50"},{"type":"boolean","value":"true"}]}},{"end":5,"flags":33,"start":3,"object":{"class":"android.text.style.ForegroundColorSpan","params":[{"type":"int","value":"-65536"}]}}],"text":"ACDEFG"}
|
|
233
|
+
```
|
|
234
|
+
|