package cn.car273.widget;

/*

 * BadgeView.java

 * BadgeView

 *

 * Copyright (c) 2012 Stefan Jauker.

 * https://github.com/kodex83/BadgeView

 *

 * 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.

 */

import android.content.Context;

import android.graphics.Color;

import android.graphics.Typeface;

import android.graphics.drawable.ShapeDrawable;

import android.graphics.drawable.shapes.RoundRectShape;

import android.util.AttributeSet;

import android.util.Log;

import android.util.TypedValue;

import android.view.Gravity;

import android.view.View;

import android.view.ViewGroup;

import android.widget.FrameLayout;

import android.widget.FrameLayout.LayoutParams;

import android.widget.TabWidget;

import android.widget.TextView;

public class BadgeView extends TextView {

    private boolean mHideOnNull = true;

    public BadgeView(Context context) {

        this(context, null);

    }

    public BadgeView(Context context, AttributeSet attrs) {

        this(context, attrs, android.R.attr.textViewStyle);

    }

    public BadgeView(Context context, AttributeSet attrs, int defStyle) {

        super(context, attrs, defStyle);

        init();

    }

    private void init() {

        if (!(getLayoutParams() instanceof LayoutParams)) {

            LayoutParams layoutParams =

                    new LayoutParams(

                            android.view.ViewGroup.LayoutParams.WRAP_CONTENT,

                            android.view.ViewGroup.LayoutParams.WRAP_CONTENT,

                            Gravity.RIGHT | Gravity.TOP);

            setLayoutParams(layoutParams);

        }

        // set default font

        setTextColor(Color.WHITE);

        setTypeface(Typeface.DEFAULT_BOLD);

        setTextSize(TypedValue.COMPLEX_UNIT_SP, 11);

        setPadding(dip2Px(5), dip2Px(1), dip2Px(5), dip2Px(1));

        // set default background

        setBackground(9, Color.parseColor("#d3321b"));

        setGravity(Gravity.CENTER);

        // default values

        setHideOnNull(true);

        setBadgeCount(0);

    }

    @SuppressWarnings("deprecation")

    public void setBackground(int dipRadius, int badgeColor) {

        int radius = dip2Px(dipRadius);

        float[] radiusArray = new float[] { radius, radius, radius, radius, radius, radius, radius, radius };

        RoundRectShape roundRect = new RoundRectShape(radiusArray, null, null);

        ShapeDrawable bgDrawable = new ShapeDrawable(roundRect);

        bgDrawable.getPaint().setColor(badgeColor);

        setBackgroundDrawable(bgDrawable);

    }

    /**

     * @return Returns true if view is hidden on badge value 0 or null;

     */

    public boolean isHideOnNull() {

        return mHideOnNull;

    }

    /**

     * @param hideOnNull the hideOnNull to set

     */

    public void setHideOnNull(boolean hideOnNull) {

        mHideOnNull = hideOnNull;

        setText(getText());

    }

    /*

     * (non-Javadoc)

     *

     * @see android.widget.TextView#setText(java.lang.CharSequence, android.widget.TextView.BufferType)

     */

    @Override

    public void setText(CharSequence text, BufferType type) {

        if (isHideOnNull() && (text == null || text.toString().equalsIgnoreCase("0"))) {

            setVisibility(View.GONE);

        } else {

            setVisibility(View.VISIBLE);

        }

        super.setText(text, type);

    }

    public void setBadgeCount(int count) {

        setText(String.valueOf(count));

    }

    public Integer getBadgeCount() {

        if (getText() == null) {

            return null;

        }

        String text = getText().toString();

        try {

            return Integer.parseInt(text);

        } catch (NumberFormatException e) {

            return null;

        }

    }

    /** 显示的位置，相对于依附对象 */

    public void setBadgeGravity(int gravity) {

        FrameLayout.LayoutParams params = (LayoutParams) getLayoutParams();

        params.gravity = gravity;

        setLayoutParams(params);

    }

    public int getBadgeGravity() {

        FrameLayout.LayoutParams params = (LayoutParams) getLayoutParams();

        return params.gravity;

    }

    public void setBadgeMargin(int dipMargin) {

        setBadgeMargin(dipMargin, dipMargin, dipMargin, dipMargin);

    }

    public void setBadgeMargin(int leftDipMargin, int topDipMargin, int rightDipMargin, int bottomDipMargin) {

        FrameLayout.LayoutParams params = (LayoutParams) getLayoutParams();

        params.leftMargin = dip2Px(leftDipMargin);

        params.topMargin = dip2Px(topDipMargin);

        params.rightMargin = dip2Px(rightDipMargin);

        params.bottomMargin = dip2Px(bottomDipMargin);

        setLayoutParams(params);

    }

    public int[] getBadgeMargin() {

        FrameLayout.LayoutParams params = (LayoutParams) getLayoutParams();

        return new int[] { params.leftMargin, params.topMargin, params.rightMargin, params.bottomMargin };

    }

    public void incrementBadgeCount(int increment) {

        Integer count = getBadgeCount();

        if (count == null) {

            setBadgeCount(increment);

        } else {

            setBadgeCount(increment + count);

        }

    }

    public void decrementBadgeCount(int decrement) {

        incrementBadgeCount(-decrement);

    }

    /*

     * Attach the BadgeView to the TabWidget

     *

     * @param target the TabWidget to attach the BadgeView

     *

     * @param tabIndex index of the tab

     */

    public void setTargetView(TabWidget target, int tabIndex) {

        View tabView = target.getChildTabViewAt(tabIndex);

        setTargetView(tabView);

    }

    /*

     * Attach the BadgeView to the target view

     *

     * @param target the view to attach the BadgeView

     */

    public void setTargetView(View target) {

        if (getParent() != null) {

            ((ViewGroup) getParent()).removeView(this);

        }

        if (target == null) {

            return;

        }

        if (target.getParent() instanceof FrameLayout) {

            ((FrameLayout) target.getParent()).addView(this);

        } else if (target.getParent() instanceof ViewGroup) {

            // use a new Framelayout container for adding badge

            ViewGroup parentContainer = (ViewGroup) target.getParent();

            int groupIndex = parentContainer.indexOfChild(target);

            parentContainer.removeView(target);

            FrameLayout badgeContainer = new FrameLayout(getContext());

            ViewGroup.LayoutParams parentlayoutParams = target.getLayoutParams();

            parentContainer.addView(badgeContainer, groupIndex, parentlayoutParams);

            badgeContainer.addView(target);

            badgeContainer.addView(this);

        } else if (target.getParent() == null) {

            Log.e(getClass().getSimpleName(), "ParentView is needed");

        }

    }

    /*

     * converts dip to px

     */

    private int dip2Px(float dip) {

        return (int) (dip * getContext().getResources().getDisplayMetrics().density + 0.5f);

    }

}

  private void initBadgeView(Context context){

        badgeView = new BadgeView(context);

        badgeView.setBackgroundResource(R.drawable.subscription_num_bg);

        badgeView.setIncludeFontPadding(false);

        badgeView.setGravity(Gravity.CENTER);

        badgeView.setTextSize(8f);

        badgeView.setTextColor(Color.WHITE);

        //设置提示信息

        badgeView.setBadgeCount(23);

        //添加依附的对象View

        badgeView.setTargetView(imgIv);

    }