1package eu.siacs.conversations.ui.forms;
2
3import android.content.Context;
4import android.text.SpannableString;
5import android.text.style.ForegroundColorSpan;
6import android.text.style.StyleSpan;
7import android.view.LayoutInflater;
8import android.view.View;
9
10import java.util.List;
11
12import eu.siacs.conversations.ui.util.StyledAttributes;
13import eu.siacs.conversations.xmpp.forms.Field;
14
15public abstract class FormFieldWrapper {
16
17 protected final Context context;
18 protected final Field field;
19 protected final View view;
20 OnFormFieldValuesEdited onFormFieldValuesEditedListener;
21
22 FormFieldWrapper(Context context, Field field) {
23 this.context = context;
24 this.field = field;
25 LayoutInflater inflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
26 this.view = inflater.inflate(getLayoutResource(), null);
27 String label = field.getLabel();
28 if (label == null) {
29 label = field.getFieldName();
30 }
31 setLabel(label, field.isRequired());
32 }
33
34 public final void submit() {
35 this.field.setValues(getValues());
36 }
37
38 public final View getView() {
39 return view;
40 }
41
42 protected abstract void setLabel(String label, boolean required);
43
44 abstract List<String> getValues();
45
46 protected abstract void setValues(List<String> values);
47
48 abstract boolean validates();
49
50 abstract protected int getLayoutResource();
51
52 abstract void setReadOnly(boolean readOnly);
53
54 protected SpannableString createSpannableLabelString(String label, boolean required) {
55 SpannableString spannableString = new SpannableString(label + (required ? " *" : ""));
56 if (required) {
57 int start = label.length();
58 int end = label.length() + 2;
59 spannableString.setSpan(new StyleSpan(android.graphics.Typeface.BOLD), start, end, 0);
60 spannableString.setSpan(new ForegroundColorSpan(StyledAttributes.getColor(context, androidx.appcompat.R.attr.colorAccent)), start, end, 0);
61 }
62 return spannableString;
63 }
64
65 protected void invokeOnFormFieldValuesEdited() {
66 if (this.onFormFieldValuesEditedListener != null) {
67 this.onFormFieldValuesEditedListener.onFormFieldValuesEdited();
68 }
69 }
70
71 public boolean edited() {
72 return !field.getValues().equals(getValues());
73 }
74
75 public void setOnFormFieldValuesEditedListener(OnFormFieldValuesEdited listener) {
76 this.onFormFieldValuesEditedListener = listener;
77 }
78
79 protected static <F extends FormFieldWrapper> FormFieldWrapper createFromField(Class<F> c, Context context, Field field) {
80 try {
81 F fieldWrapper = c.getDeclaredConstructor(Context.class, Field.class).newInstance(context,field);
82 fieldWrapper.setValues(field.getValues());
83 return fieldWrapper;
84 } catch (Exception e) {
85 e.printStackTrace();
86 return null;
87 }
88 }
89
90 public interface OnFormFieldValuesEdited {
91 void onFormFieldValuesEdited();
92 }
93}