added UI wrapper for (some) form fields

src/main/java/eu/siacs/conversations/ui/forms/FormFieldFactory.java

@@ -0,0 +1,24 @@
+package eu.siacs.conversations.ui.forms;
+
+import android.content.Context;
+
+import java.util.Hashtable;
+
+import eu.siacs.conversations.xmpp.forms.Field;
+
+
+
+public class FormFieldFactory {
+
+	private static final Hashtable<String, Class> typeTable = new Hashtable<>();
+
+	static {
+		typeTable.put("text-single", FormTextFieldWrapper.class);
+		typeTable.put("text-multi", FormTextFieldWrapper.class);
+	}
+
+	public static FormFieldWrapper createFromField(Context context, Field field) {
+		Class clazz = typeTable.get(field.getType());
+		return FormFieldWrapper.createFromField(clazz, context, field);
+	}
+}

src/main/java/eu/siacs/conversations/ui/forms/FormFieldWrapper.java

@@ -0,0 +1,47 @@
+package eu.siacs.conversations.ui.forms;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+
+import java.util.List;
+
+import eu.siacs.conversations.xmpp.forms.Field;
+
+public abstract class FormFieldWrapper {
+
+	protected final Context context;
+	protected final Field field;
+	protected final View view;
+
+	protected FormFieldWrapper(Context context, Field field) {
+		this.context = context;
+		this.field = field;
+		LayoutInflater inflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+		this.view = inflater.inflate(getLayoutResource(), null);
+		setLabel(field.getLabel(), field.isRequired());
+	}
+
+	public void submit() {
+		this.field.setValues(getValues());
+	}
+
+	public View getView() {
+		return view;
+	}
+
+	protected abstract void setLabel(String label, boolean required);
+
+	abstract List<String> getValues();
+
+	abstract protected int getLayoutResource();
+
+	protected static <F extends FormFieldWrapper> FormFieldWrapper createFromField(Class<F> c, Context context, Field field) {
+		try {
+			return c.getDeclaredConstructor(Context.class, Field.class).newInstance(context,field);
+		} catch (Exception e) {
+			e.printStackTrace();
+			return null;
+		}
+	}
+}

src/main/java/eu/siacs/conversations/ui/forms/FormTextFieldWrapper.java

@@ -0,0 +1,52 @@
+package eu.siacs.conversations.ui.forms;
+
+import android.content.Context;
+import android.text.SpannableString;
+import android.text.style.ForegroundColorSpan;
+import android.text.style.StyleSpan;
+import android.widget.EditText;
+import android.widget.TextView;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import eu.siacs.conversations.R;
+import eu.siacs.conversations.xmpp.forms.Field;
+
+public class FormTextFieldWrapper extends FormFieldWrapper {
+
+	protected EditText editText;
+
+	protected FormTextFieldWrapper(Context context, Field field) {
+		super(context, field);
+		editText = (EditText) view.findViewById(R.id.field);
+		editText.setSingleLine("text-single".equals(field.getType()));
+	}
+
+	@Override
+	protected void setLabel(String label, boolean required) {
+		TextView textView = (TextView) view.findViewById(R.id.label);
+		SpannableString spannableString = new SpannableString(label + (required ? " *" : ""));
+		if (required) {
+			int start = label.length();
+			int end = label.length() + 2;
+			spannableString.setSpan(new StyleSpan(android.graphics.Typeface.BOLD), start, end, 0);
+			spannableString.setSpan(new ForegroundColorSpan(context.getResources().getColor(R.color.accent)), start, end, 0);
+		}
+		textView.setText(spannableString);
+	}
+
+	@Override
+	List<String> getValues() {
+		List<String> values = new ArrayList<>();
+		for (String line : editText.getText().toString().split("\\n")) {
+			values.add(line);
+		}
+		return values;
+	}
+
+	@Override
+	protected int getLayoutResource() {
+		return R.layout.form_text;
+	}
+}

src/main/java/eu/siacs/conversations/xmpp/forms/Data.java

@@ -76,10 +76,14 @@ public class Data extends Element {
 	}
 
 	public void setFormType(String formType) {
-		this.put("FORM_TYPE",formType);
+		this.put("FORM_TYPE", formType);
 	}
 
 	public String getFormType() {
 		return this.getAttribute("FORM_TYPE");
 	}
+
+	public String getTitle() {
+		return findChildContent("title");
+	}
 }

src/main/java/eu/siacs/conversations/xmpp/forms/Field.java

@@ -51,4 +51,16 @@ public class Field extends Element {
 	public String getValue() {
 		return findChildContent("value");
 	}
+
+	public String getLabel() {
+		return getAttribute("label");
+	}
+
+	public String getType() {
+		return getAttribute("type");
+	}
+
+	public boolean isRequired() {
+		return hasChild("required");
+	}
 }

src/main/res/layout/form_text.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+              android:layout_width="match_parent"
+              android:layout_height="match_parent"
+              android:orientation="vertical">
+    <TextView
+        android:id="@+id/label"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="8dp"
+        android:textColor="@color/black87"
+        android:textSize="?attr/TextSizeBody"/>
+
+    <EditText
+        android:id="@+id/field"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:textColor="@color/black87"
+        android:textColorHint="@color/black54"
+        android:textSize="?attr/TextSizeBody"/>
+</LinearLayout>