| /* |
| * Copyright 2019 The Android Open Source Project |
| * |
| * 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 androidx.compose.mock |
| |
| fun indent(indent: Int, builder: StringBuilder) { |
| repeat(indent) { builder.append(' ') } |
| } |
| |
| open class View { |
| var name: String = "" |
| val children = mutableListOf<View>() |
| val attributes = mutableMapOf<String, Any>() |
| |
| private fun render(indent: Int = 0, builder: StringBuilder) { |
| indent(indent, builder) |
| builder.append("<$name$attributesAsString") |
| if (children.size > 0) { |
| builder.appendLine(">") |
| children.forEach { it.render(indent + 2, builder) } |
| indent(indent, builder) |
| builder.appendLine("</$name>") |
| } else { |
| builder.appendLine(" />") |
| } |
| } |
| |
| fun addAt(index: Int, view: View) { |
| children.add(index, view) |
| } |
| |
| fun removeAt(index: Int, count: Int) { |
| if (index < children.count()) { |
| if (count == 1) { |
| children.removeAt(index) |
| } else { |
| children.subList(index, index + count).clear() |
| } |
| } |
| } |
| |
| fun moveAt(from: Int, to: Int, count: Int) { |
| if (count == 1) { |
| val insertLocation = if (from > to) to else (to - 1) |
| children.add(insertLocation, children.removeAt(from)) |
| } else { |
| val insertLocation = if (from > to) to else (to - count) |
| val itemsToMove = children.subList(from, from + count) |
| val copyOfItems = itemsToMove.map { it } |
| itemsToMove.clear() |
| children.addAll(insertLocation, copyOfItems) |
| } |
| } |
| |
| fun attribute(name: String, value: Any) { attributes[name] = value } |
| |
| var value: String? |
| get() = attributes["value"] as? String |
| set(value) { |
| if (value != null) { |
| attributes["value"] = value |
| } else { |
| attributes.remove("value") |
| } |
| } |
| |
| var text: String? |
| get() = attributes["text"] as? String |
| set(value) { |
| if (value != null) { |
| attributes["text"] = value |
| } else { |
| attributes.remove("text") |
| } |
| } |
| |
| private val attributesAsString get() = |
| if (attributes.isEmpty()) "" |
| else attributes.map { " ${it.key}='${it.value}'" }.joinToString() |
| private val childrenAsString: String get() = |
| children.map { it.toString() }.joinToString(" ") |
| |
| override fun toString() = "<$name$attributesAsString>$childrenAsString</$name>" |
| |
| fun toFmtString() = StringBuilder().let { |
| render(0, it) |
| it.toString() |
| } |
| } |