package com.cheikh.lazywaimai.widget;
/*
The MIT License (MIT)
Copyright (c) 2015 Techery (http://techery.io/)
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, change, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Color;
import android.graphics.Typeface;
import android.graphics.drawable.Drawable;
import android.support.annotation.Nullable;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.view.View;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.cheikh.lazywaimai.R;
public class ProperRatingBar extends LinearLayout {
private static final int DF_TOTAL_TICKS = 5;
private static final int DF_DEFAULT_TICKS = 3;
private static final boolean DF_CLICKABLE = false;
private static final int DF_SYMBOLIC_TICK_RES = R.string.prb_default_symbolic_string;
private static final int DF_SYMBOLIC_TEXT_SIZE_RES = R.dimen.prb_symbolic_tick_default_text_size;
private static final int DF_SYMBOLIC_TEXT_STYLE = Typeface.NORMAL;
private static final int DF_SYMBOLIC_TEXT_NORMAL_COLOR = Color.BLACK;
private static final int DF_SYMBOLIC_TEXT_SELECTED_COLOR = Color.GRAY;
private static final int DF_TICK_SPACING_RES = R.dimen.prb_drawable_tick_default_spacing;
private int totalTicks;
private int lastSelectedTickIndex;
private boolean isClickable;
private String symbolicTick;
private int customTextSize;
private int customTextStyle;
private int customTextNormalColor;
private int customTextSelectedColor;
private Drawable tickNormalDrawable;
private Drawable tickSelectedDrawable;
private int tickSpacing;
private boolean useSymbolicTick = false;
private int rating;
private RatingListener listener = null;
public ProperRatingBar(Context context, AttributeSet attrs) {
super(context, attrs);
init(context, attrs);
addChildren(context);
}
private void init(Context context, AttributeSet attrs) {
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.ProperRatingBar);
//
totalTicks = a.getInt(R.styleable.ProperRatingBar_prb_totalTicks, DF_TOTAL_TICKS);
rating = a.getInt(R.styleable.ProperRatingBar_prb_defaultRating, DF_DEFAULT_TICKS);
if (rating > totalTicks) rating = totalTicks;
lastSelectedTickIndex = rating - 1;
isClickable = a.getBoolean(R.styleable.ProperRatingBar_prb_clickable, DF_CLICKABLE);
//
symbolicTick = a.getString(R.styleable.ProperRatingBar_prb_symbolicTick);
if (symbolicTick == null) symbolicTick = context.getString(DF_SYMBOLIC_TICK_RES);
customTextSize = a.getDimensionPixelSize(R.styleable.ProperRatingBar_android_textSize,
context.getResources().getDimensionPixelOffset(DF_SYMBOLIC_TEXT_SIZE_RES));
customTextStyle = a.getInt(R.styleable.ProperRatingBar_android_textStyle, DF_SYMBOLIC_TEXT_STYLE);
customTextNormalColor = a.getColor(R.styleable.ProperRatingBar_prb_symbolicTickNormalColor,
DF_SYMBOLIC_TEXT_NORMAL_COLOR);
customTextSelectedColor = a.getColor(R.styleable.ProperRatingBar_prb_symbolicTickSelectedColor,
DF_SYMBOLIC_TEXT_SELECTED_COLOR);
//
tickNormalDrawable = a.getDrawable(R.styleable.ProperRatingBar_prb_tickNormalDrawable);
tickSelectedDrawable = a.getDrawable(R.styleable.ProperRatingBar_prb_tickSelectedDrawable);
tickSpacing = a.getDimensionPixelOffset(R.styleable.ProperRatingBar_prb_tickSpacing,
context.getResources().getDimensionPixelOffset(DF_TICK_SPACING_RES));
//
if (tickNormalDrawable == null || tickSelectedDrawable == null) {
useSymbolicTick = true;
}
//
a.recycle();
}
private void addChildren(Context context) {
for (int i = 0; i < totalTicks; i++) {
addChild(context, i);
}
redrawChildren();
}
private void addChild(Context context, int position) {
if (useSymbolicTick) {
addSymbolicChild(context, position);
} else {
addDrawableChild(context, position);
}
}
private void addSymbolicChild(Context context, int position) {
TextView tv = new TextView(context);
tv.setText(symbolicTick);
tv.setTextSize(TypedValue.COMPLEX_UNIT_PX, customTextSize);
if (customTextStyle != 0) {
tv.setTypeface(Typeface.DEFAULT, customTextStyle);
}
if (isClickable) {
tv.setTag(R.id.prb_child_tag_id, position);
tv.setOnClickListener(mTickClickedListener);
}
this.addView(tv);
}
private void addDrawableChild(Context context, int position) {
ImageView iv = new ImageView(context);
iv.setPadding(tickSpacing, tickSpacing, tickSpacing, tickSpacing);
if (isClickable) {
iv.setTag(R.id.prb_child_tag_id, position);
iv.setOnClickListener(mTickClickedListener);
}
this.addView(iv);
}
private OnClickListener mTickClickedListener = new OnClickListener() {
@Override
public void onClick(View v) {
lastSelectedTickIndex = (int) v.getTag(R.id.prb_child_tag_id);
rating = lastSelectedTickIndex + 1;
redrawChildren();
if (listener != null) listener.onRatePicked(ProperRatingBar.this);
}
};
private void redrawChildren() {
for (int i = 0; i < totalTicks; i++) {
if (useSymbolicTick) {
redrawChildSelection((TextView) ProperRatingBar.this.getChildAt(i), i <= lastSelectedTickIndex);
} else {
redrawChildSelection((ImageView) ProperRatingBar.this.getChildAt(i), i <= lastSelectedTickIndex);
}
}
}
private void redrawChildSelection(ImageView child, boolean isSelected) {
if (isSelected) {
child.setImageDrawable(tickSelectedDrawable);
} else {
child.setImageDrawable(tickNormalDrawable);
}
}
private void redrawChildSelection(TextView child, boolean isSelected) {
if (isSelected) {
child.setTextColor(customTextSelectedColor);
} else {
child.setTextColor(customTextNormalColor);
}
}
///////////////////////////////////////////////////////////////////////////
// them getters and setters methods
///////////////////////////////////////////////////////////////////////////
/**
* Get the attached {@link RatingListener}
* @return listener or null if none was set
*/
@Nullable
public RatingListener getListener() {
return listener;
}
/**
* Set the {@link RatingListener} to be called when user taps rating bar's ticks
* @param listener listener to set
*/
public void setListener(RatingListener listener) {
this.listener = listener;
}
/**
* Remove listener
*/
public void removeRatingListener() {
this.listener = null;
}
/**
* Get the current rating shown
* @return rating
*/
public int getRating() {
return rating;
}
/**
* Set the rating to show
* @param rating new rating value
*/
public void setRating(int rating) {
if (rating > this.totalTicks) rating = totalTicks;
this.rating = rating;
lastSelectedTickIndex = rating - 1;
redrawChildren();
}
public interface RatingListener {
void onRatePicked(ProperRatingBar ratingBar);
}
}