Android style to validate form

vector/src/main/java/im/vector/app/features/form/FormSubmitButtonItem.kt

@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package im.vector.app.features.form
+
+import android.widget.Button
+import androidx.annotation.StringRes
+import com.airbnb.epoxy.EpoxyAttribute
+import com.airbnb.epoxy.EpoxyModelClass
+import com.airbnb.epoxy.EpoxyModelWithHolder
+import im.vector.app.R
+import im.vector.app.core.epoxy.ClickListener
+import im.vector.app.core.epoxy.VectorEpoxyHolder
+import im.vector.app.core.epoxy.onClick
+import im.vector.app.core.extensions.setTextOrHide
+
+@EpoxyModelClass(layout = R.layout.item_form_submit_button)
+abstract class FormSubmitButtonItem : EpoxyModelWithHolder<FormSubmitButtonItem.Holder>() {
+
+    @EpoxyAttribute
+    var enabled: Boolean = true
+
+    @EpoxyAttribute
+    var buttonTitle: String? = null
+
+    @EpoxyAttribute
+    @StringRes
+    var buttonTitleId: Int? = null
+
+    @EpoxyAttribute
+    var buttonClickListener: ClickListener? = null
+
+    override fun bind(holder: Holder) {
+        super.bind(holder)
+        if (buttonTitleId != null) {
+            holder.button.setText(buttonTitleId!!)
+        } else {
+            holder.button.setTextOrHide(buttonTitle)
+        }
+
+        holder.button.isEnabled = enabled
+        holder.button.onClick(buttonClickListener)
+    }
+
+    class Holder : VectorEpoxyHolder() {
+        val button by bind<Button>(R.id.form_submit_button)
+    }
+}

vector/src/main/java/im/vector/app/features/roomdirectory/createroom/CreateRoomController.kt

@@ -28,6 +28,7 @@ import im.vector.app.core.error.ErrorFormatter
 import im.vector.app.core.resources.StringProvider
 import im.vector.app.features.discovery.settingsSectionTitleItem
 import im.vector.app.features.form.formEditTextItem
+import im.vector.app.features.form.formSubmitButtonItem
 import im.vector.app.features.form.formSwitchItem
 import javax.inject.Inject
 
@@ -139,6 +140,12 @@ class CreateRoomController @Inject constructor(private val stringProvider: Strin
                 listener?.setIsEncrypted(value)
             }
         }
+        formSubmitButtonItem {
+            id("submit")
+            enabled(enableFormElement)
+            buttonTitleId(R.string.room_creation_title)
+            buttonClickListener { listener?.submit() }
+        }
     }
 
     interface Listener {
@@ -148,5 +155,6 @@ class CreateRoomController @Inject constructor(private val stringProvider: Strin
         fun setIsInRoomDirectory(isInRoomDirectory: Boolean)
         fun setIsEncrypted(isEncrypted: Boolean)
         fun retry()
+        fun submit()
     }
 }

vector/src/main/java/im/vector/app/features/roomdirectory/createroom/CreateRoomFragment.kt

@@ -41,8 +41,6 @@ class CreateRoomFragment @Inject constructor(
 
     override fun getLayoutResId() = R.layout.fragment_create_room
 
-    override fun getMenuRes() = R.menu.vector_room_creation
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         vectorBaseActivity.setSupportActionBar(createRoomToolbar)
@@ -59,17 +57,6 @@ class CreateRoomFragment @Inject constructor(
         super.onDestroyView()
     }
 
-    override fun onOptionsItemSelected(item: MenuItem): Boolean {
-        return when (item.itemId) {
-            R.id.action_create_room -> {
-                viewModel.handle(CreateRoomAction.Create)
-                true
-            }
-            else                    ->
-                super.onOptionsItemSelected(item)
-        }
-    }
-
     private fun setupRecyclerView() {
         createRoomForm.configureWith(createRoomController)
         createRoomController.listener = this
@@ -95,6 +82,10 @@ class CreateRoomFragment @Inject constructor(
         viewModel.handle(CreateRoomAction.SetIsEncrypted(isEncrypted))
     }
 
+    override fun submit() {
+        viewModel.handle(CreateRoomAction.Create)
+    }
+
     override fun retry() {
         Timber.v("Retry")
         viewModel.handle(CreateRoomAction.Create)

vector/src/main/res/layout/item_form_submit_button.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:background="?riotx_background"
+    android:minHeight="64dp">
+
+    <com.google.android.material.button.MaterialButton
+        android:id="@+id/form_submit_button"
+        style="@style/VectorButtonStyle"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_vertical|end"
+        android:layout_marginEnd="@dimen/alerter_activity_vertical_margin"
+        tools:text="@string/auth_submit" />
+
+</FrameLayout>