Implement buttongrid

Closes openhab#3494

Signed-off-by: mueller-ma <[email protected]>

mobile/src/main/java/org/openhab/habdroid/model/LabeledValue.kt

@@ -21,12 +21,18 @@ import org.json.JSONObject
 import org.openhab.habdroid.util.optStringOrNull
 
 @Parcelize
-data class LabeledValue internal constructor(val value: String, val label: String, val icon: IconResource?) : Parcelable
+data class LabeledValue internal constructor(
+    val value: String,
+    val label: String,
+    val icon: IconResource?,
+    val row: Int,
+    val column: Int
+) : Parcelable
 
 @Throws(JSONException::class)
 fun JSONObject.toLabeledValue(valueKey: String, labelKey: String): LabeledValue {
     val value = getString(valueKey)
     val label = optString(labelKey, value)
     val icon = optStringOrNull("icon")?.toOH2IconResource()
-    return LabeledValue(value, label, icon)
+    return LabeledValue(value, label, icon, optInt("row"), optInt("column"))
 }

mobile/src/main/java/org/openhab/habdroid/model/Widget.kt

@@ -116,6 +116,7 @@ data class Widget(
         Video,
         Webview,
         Input,
+        Buttongrid,
         Unknown
     }
 
@@ -303,7 +304,7 @@ fun Node.collectWidgets(parent: Widget?): List<Widget> {
                         "label" -> mappingLabel = childNode.textContent
                     }
                 }
-                mappings.add(LabeledValue(mappingCommand, mappingLabel, null))
+                mappings.add(LabeledValue(mappingCommand, mappingLabel, null, 0, 0))
             }
             else -> {}
         }

mobile/src/main/java/org/openhab/habdroid/ui/ViewExtensions.kt

@@ -124,6 +124,7 @@ fun RemoteViews.duplicate(): RemoteViews {
 }
 
 fun MaterialButton.setTextAndIcon(connection: Connection, mapping: LabeledValue) {
+    contentDescription = mapping.label
     val iconUrl = mapping.icon?.toUrl(context, true)
     if (iconUrl == null) {
         icon = null

mobile/src/main/java/org/openhab/habdroid/ui/WidgetAdapter.kt

@@ -32,6 +32,7 @@ import android.view.inputmethod.EditorInfo
 import android.webkit.WebChromeClient
 import android.webkit.WebView
 import android.widget.Button
+import android.widget.GridLayout
 import android.widget.ImageView
 import android.widget.LinearLayout
 import android.widget.TextView
@@ -40,9 +41,11 @@ import androidx.annotation.LayoutRes
 import androidx.annotation.StringRes
 import androidx.annotation.VisibleForTesting
 import androidx.core.content.ContextCompat
+import androidx.core.view.allViews
 import androidx.core.view.children
 import androidx.core.view.get
 import androidx.core.view.isGone
+import androidx.core.view.isInvisible
 import androidx.core.view.isVisible
 import androidx.core.widget.ContentLoadingProgressBar
 import androidx.core.widget.doAfterTextChanged
@@ -221,6 +224,7 @@ class WidgetAdapter(
             TYPE_LOCATION -> MapViewHelper.createViewHolder(initData)
             TYPE_INPUT -> InputViewHolder(initData)
             TYPE_DATETIMEINPUT -> DateTimeInputViewHolder(initData)
+            TYPE_BUTTONGRID -> ButtongridViewHolder(initData)
             TYPE_INVISIBLE -> InvisibleWidgetViewHolder(initData)
             else -> throw IllegalArgumentException("View type $viewType is not known")
         }
@@ -345,6 +349,7 @@ class WidgetAdapter(
             Widget.Type.Colorpicker -> TYPE_COLOR
             Widget.Type.Mapview -> TYPE_LOCATION
             Widget.Type.Input -> if (widget.shouldUseDateTimePickerForInput()) TYPE_DATETIMEINPUT else TYPE_INPUT
+            Widget.Type.Buttongrid -> TYPE_BUTTONGRID
             else -> TYPE_GENERICITEM
         }
         return toInternalViewType(actualViewType, compactMode)
@@ -780,6 +785,45 @@ class WidgetAdapter(
         }
     }
 
+    class ButtongridViewHolder internal constructor(private val initData: ViewHolderInitData) :
+        LabeledItemBaseViewHolder(initData, R.layout.widgetlist_buttongriditem), View.OnClickListener {
+        private val table: GridLayout = itemView.findViewById(R.id.widget_content)
+
+        override fun bind(widget: Widget) {
+            super.bind(widget)
+            val mappings = widget.mappings.filter { it.column != 0 && it.row != 0 }
+            table.rowCount = mappings.maxOfOrNull { it.row } ?: 0
+            table.columnCount = mappings.maxOfOrNull { it.column } ?: 0
+            (0..<table.rowCount).forEach { row ->
+                (0..<table.columnCount).forEach { column ->
+                    val buttonView = initData.inflater.inflate(R.layout.widgetlist_sectionswitchitem_button, null) as MaterialButton
+                    // Rows and columns start with 1 in Sitemap definition, thus decrement them here
+                    val mapping = mappings.firstOrNull { it.row - 1 == row && it.column - 1 == column }
+                    if (mapping == null) {
+                        buttonView.visibility = View.INVISIBLE
+                    } else {
+                        buttonView.setOnClickListener(this)
+                        buttonView.setTextAndIcon(connection, mapping)
+                        buttonView.tag = mapping.value
+                        buttonView.visibility = View.VISIBLE
+                    }
+
+                    table.addView(
+                        buttonView,
+                        GridLayout.LayoutParams(
+                            GridLayout.spec(row, GridLayout.FILL, 1f),
+                            GridLayout.spec(column, GridLayout.FILL, 1f)
+                        )
+                    )
+                }
+            }
+        }
+
+        override fun onClick(view: View) {
+            connection.httpClient.sendItemCommand(boundWidget?.item, view.tag as String)
+        }
+    }
+
     class SliderViewHolder internal constructor(initData: ViewHolderInitData) :
         LabeledItemBaseViewHolder(initData, R.layout.widgetlist_slideritem, R.layout.widgetlist_slideritem_compact),
         WidgetSlider.UpdateListener {
@@ -1555,7 +1599,8 @@ class WidgetAdapter(
         private const val TYPE_LOCATION = 18
         private const val TYPE_INPUT = 19
         private const val TYPE_DATETIMEINPUT = 20
-        private const val TYPE_INVISIBLE = 21
+        private const val TYPE_BUTTONGRID = 21
+        private const val TYPE_INVISIBLE = 22
 
         private fun toInternalViewType(viewType: Int, compactMode: Boolean): Int {
             return viewType or (if (compactMode) 0x100 else 0)

mobile/src/main/res/layout/widgetlist_buttongriditem.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical"
+    style="@style/WidgetListItemContainer">
+
+    <include layout="@layout/widgetlist_icontext_for_heavy_data" />
+
+    <GridLayout
+        android:id="@+id/widget_content"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:useDefaultMargins="true" />
+
+</LinearLayout>

mobile/src/test/java/org/openhab/habdroid/model/ItemTest.kt

@@ -107,8 +107,8 @@ class ItemTest {
     @Test
     fun getCommandOptions() {
         val sut = itemWithCommandOptions.toItem()
-        assertEquals(LabeledValue("1", "One", "switch".toOH2IconResource()), sut.options!!.component1())
-        assertEquals(LabeledValue("2", "Two", null), sut.options!!.component2())
+        assertEquals(LabeledValue("1", "One", "switch".toOH2IconResource(), 1, 2), sut.options!!.component1())
+        assertEquals(LabeledValue("2", "Two", null, 0, 0), sut.options!!.component2())
     }
 
     @Test
@@ -209,7 +209,9 @@ class ItemTest {
                     {
                       'command': '1',
                       'label': 'One',
-                      'icon': 'switch'
+                      'icon': 'switch',
+                      'row': 1,
+                      'column': 2
                     },
                     {
                       'command': '2',