Java tutorial
/* * Copyright 2016 Flipkart Internet Pvt. 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 com.flipkart.android.proteus.parser.custom; import android.graphics.Color; import android.graphics.Paint; import android.graphics.drawable.ClipDrawable; import android.graphics.drawable.Drawable; import android.graphics.drawable.LayerDrawable; import android.graphics.drawable.ShapeDrawable; import android.view.Gravity; import android.view.ViewGroup; import com.flipkart.android.proteus.parser.Attributes; import com.flipkart.android.proteus.parser.ParseHelper; import com.flipkart.android.proteus.parser.Parser; import com.flipkart.android.proteus.parser.WrappableParser; import com.flipkart.android.proteus.processor.JsonDataProcessor; import com.flipkart.android.proteus.toolbox.Styles; import com.flipkart.android.proteus.toolbox.Utils; import com.flipkart.android.proteus.view.ProteusHorizontalProgressBar; import com.flipkart.android.proteus.view.ProteusView; import com.flipkart.android.proteus.view.custom.HorizontalProgressBar; import com.google.gson.JsonElement; import com.google.gson.JsonObject; /** * HorizontalProgressBarParser * * @author Aditya Sharat */ public class HorizontalProgressBarParser<T extends HorizontalProgressBar> extends WrappableParser<T> { public HorizontalProgressBarParser(Parser<T> wrappedParser) { super(wrappedParser); } @Override public ProteusView createView(ViewGroup parent, JsonObject layout, JsonObject data, Styles styles, int index) { return new ProteusHorizontalProgressBar(parent.getContext()); } @Override protected void prepareHandlers() { super.prepareHandlers(); addHandler(Attributes.ProgressBar.ProgressTint, new JsonDataProcessor<T>() { @Override public void handle(String key, JsonElement attributeValue, T view) { if (!attributeValue.isJsonObject() || attributeValue.isJsonNull()) { return; } JsonObject data = attributeValue.getAsJsonObject(); int background = Color.TRANSPARENT; int progress = Color.TRANSPARENT; String value = Utils.getPropertyAsString(data, "background"); if (value != null) { background = ParseHelper.parseColor(value); } value = Utils.getPropertyAsString(data, "progress"); if (value != null) { progress = ParseHelper.parseColor(value); } view.setProgressDrawable(getLayerDrawable(progress, background)); } }); } private Drawable getLayerDrawable(int progress, int background) { ShapeDrawable shape = new ShapeDrawable(); shape.getPaint().setStyle(Paint.Style.FILL); shape.getPaint().setColor(background); ShapeDrawable shapeD = new ShapeDrawable(); shapeD.getPaint().setStyle(Paint.Style.FILL); shapeD.getPaint().setColor(progress); ClipDrawable clipDrawable = new ClipDrawable(shapeD, Gravity.LEFT, ClipDrawable.HORIZONTAL); return new LayerDrawable(new Drawable[] { shape, clipDrawable }); } }