package com.electric.chargingpile.view.xrichtext;

import android.content.Context;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.util.AttributeSet;

import android.view.LayoutInflater;

import android.view.View;

import android.widget.ImageView;

import android.widget.LinearLayout;

import android.widget.RelativeLayout;

import android.widget.ScrollView;

import android.widget.TextView;

import com.bumptech.glide.Glide;

import com.bumptech.glide.request.RequestOptions;

import com.electric.chargingpile.R;

/**

 * Created by sendtion on 2016/6/24.

 * 显示富文本

 */

public class RichTextView extends ScrollView {

    private static final String TAG = "RichTextView";

    private static final int EDIT_PADDING = 3; // edittext常规padding是10dp

    private int viewTagIndex = 1; // 新生的view都会打一个tag，对每个view来说，这个tag是唯一的。

    private LinearLayout allLayout; // 这个是所有子view的容器，scrollView内部的唯一一个ViewGroup

    private LayoutInflater inflater;

    private int editNormalPadding = 0; //

    public RichTextView(Context context) {

        this(context, null);

    }

    public RichTextView(Context context, AttributeSet attrs) {

        this(context, attrs, 0);

    }

    public RichTextView(Context context, AttributeSet attrs, int defStyleAttr) {

        super(context, attrs, defStyleAttr);

        inflater = LayoutInflater.from(context);

        // 1. 初始化allLayout

        allLayout = new LinearLayout(context);

        allLayout.setOrientation(LinearLayout.VERTICAL);

        //allLayout.setBackgroundColor(Color.WHITE);//去掉背景

        LayoutParams layoutParams = new LayoutParams(LayoutParams.MATCH_PARENT,

                LayoutParams.WRAP_CONTENT);

        allLayout.setPadding(50, 15, 50, 15);//设置间距，防止生成图片时文字太靠边

        addView(allLayout, layoutParams);

        LinearLayout.LayoutParams firstEditParam = new LinearLayout.LayoutParams(

                LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);

        //editNormalPadding = dip2px(EDIT_PADDING);

        TextView firstText = createTextView("没有内容", dip2px(context, EDIT_PADDING));

        allLayout.addView(firstText, firstEditParam);

    }

    public int dip2px(Context context, float dipValue) {

        float m = context.getResources().getDisplayMetrics().density;

        return (int) (dipValue * m + 0.5f);

    }

    /**

     * 清除所有的view

     */

    public void clearAllLayout() {

        allLayout.removeAllViews();

    }

    /**

     * 获得最后一个子view的位置

     *

     * @return

     */

    public int getLastIndex() {

        int lastEditIndex = allLayout.getChildCount();

        return lastEditIndex;

    }

    /**

     * 生成文本输入框

     */

    public TextView createTextView(String hint, int paddingTop) {

        TextView textView = (TextView) inflater.inflate(R.layout.rich_textview, null);

        textView.setTag(viewTagIndex++);

        textView.setPadding(editNormalPadding, paddingTop, editNormalPadding, paddingTop);

        textView.setHint(hint);

        return textView;

    }

    /**

     * 生成图片View

     */

    private RelativeLayout createImageLayout() {

        RelativeLayout layout = (RelativeLayout) inflater.inflate(

                R.layout.edit_imageview, null);

        layout.setTag(viewTagIndex++);

        View closeView = layout.findViewById(R.id.image_close);

        closeView.setVisibility(GONE);

        return layout;

    }

    /**

     * 在特定位置插入EditText

     *

     * @param index   位置

     * @param editStr EditText显示的文字

     */

    public void addTextViewAtIndex(final int index, CharSequence editStr) {

        TextView textView = createTextView("", EDIT_PADDING);

        textView.setText(editStr);

        allLayout.addView(textView, index);

    }

    /**

     * 在特定位置添加ImageView

     */

    public void addImageViewAtIndex(final int index, String imagePath) {

        String width, height;

        String[] strarray = imagePath.split("\\&");

        final String path = strarray[0];

        width = strarray[1];

        if (width.contains(".")) {

            width = width.substring(0, width.indexOf("."));

        }

        height = strarray[2];

        if (height.contains(".")) {

            height = height.substring(0, height.indexOf("."));

        }

//        Bitmap bmp = BitmapFactory.decodeFile(imagePath);

        final RelativeLayout imageLayout = createImageLayout();

        DataImageView imageView = (DataImageView) imageLayout.findViewById(R.id.edit_imageView);

        RequestOptions options = new RequestOptions().centerCrop();

        Glide.with(getContext()).load(imagePath).apply(options).into(imageView);

        //imageView.setImageBitmap(bmp);//这里改用Glide加载图片

        //imageView.setBitmap(bmp);//这句去掉，保留下面的图片地址即可，优化图片占用

//        imageView.setAbsolutePath(imagePath);//保留这句，后面保存数据会用

        imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);//裁剪剧中

        // 调整imageView的高度

        int imageHeight = 500;

        int img_width = Integer.parseInt(width);

        int img_height = Integer.parseInt(height);

        if (width != null) {

            imageHeight = allLayout.getWidth() * img_height / img_width;

            // 使用之后，还是回收掉吧

//            bmp.recycle();

        }

//        Log.e(TAG, "addImageViewAtIndex_imageHeight: "+imageHeight );

        RelativeLayout.LayoutParams lp = new RelativeLayout.LayoutParams(

                LayoutParams.MATCH_PARENT, imageHeight);

        lp.bottomMargin = 6;

        imageView.setLayoutParams(lp);

        allLayout.addView(imageLayout, index);

    }

    /**

     * 根据view的宽度，动态缩放bitmap尺寸

     *

     * @param width view的宽度

     */

    public Bitmap getScaledBitmap(String filePath, int width) {

        BitmapFactory.Options options = new BitmapFactory.Options();

        options.inJustDecodeBounds = true;

        BitmapFactory.decodeFile(filePath, options);

        int sampleSize = options.outWidth > width ? options.outWidth / width

                + 1 : 1;

        options.inJustDecodeBounds = false;

        options.inSampleSize = sampleSize;

        return BitmapFactory.decodeFile(filePath, options);

    }

}

package com.electric.chargingpile.view.xrichtext;

import android.content.ContentResolver;

import android.content.Context;

import android.database.Cursor;

import android.graphics.Bitmap;

import android.net.Uri;

import android.os.Environment;

import android.provider.MediaStore;

import java.io.File;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.IOException;

public class SDCardUtil {

    public static String SDCardRoot = Environment.getExternalStorageDirectory().getAbsolutePath() + File.separator;

    /**

     * 检查是否存在SDCard

     *

     * @return

     */

    public static boolean hasSdcard() {

        String state = Environment.getExternalStorageState();

        if (state.equals(Environment.MEDIA_MOUNTED)) {

            return true;

        } else {

            return false;

        }

    }

    /**

     * 获得文章图片保存路径

     *

     * @return

     */

    public static String getPictureDir() {

        String imageCacheUrl = SDCardRoot + "XRichText" + File.separator;

        File file = new File(imageCacheUrl);

        if (!file.exists())

            file.mkdir();  //如果不存在则创建

        return imageCacheUrl;

    }

    /**

     * 图片保存到SD卡

     *

     * @param bitmap

     * @return

     */

    public static String saveToSdCard(Bitmap bitmap) {

        String imageUrl = getPictureDir() + System.currentTimeMillis() + "-.jpeg";

        File file = new File(imageUrl);

        try {

            FileOutputStream out = new FileOutputStream(file);

            if (bitmap.compress(Bitmap.CompressFormat.JPEG, 90, out)) {

                out.flush();

                out.close();

            }

        } catch (FileNotFoundException e) {

            e.printStackTrace();

        } catch (IOException e) {

            e.printStackTrace();

        }

        return file.getAbsolutePath();

    }

    /**

     * 保存到指定路径，笔记中插入图片

     *

     * @param bitmap

     * @param path

     * @return

     */

    public static String saveToSdCard(Bitmap bitmap, String path) {

        File file = new File(path);

        try {

            FileOutputStream out = new FileOutputStream(file);

            if (bitmap.compress(Bitmap.CompressFormat.JPEG, 90, out)) {

                out.flush();

                out.close();

            }

        } catch (FileNotFoundException e) {

            e.printStackTrace();

        } catch (IOException e) {

            e.printStackTrace();

        }

        //System.out.println("文件保存路径："+ file.getAbsolutePath());

        return file.getAbsolutePath();

    }

    /**

     * 删除文件

     **/

    public static void deleteFile(String filePath) {

        File file = new File(filePath);

        if (file.isFile() && file.exists())

            file.delete(); // 删除文件

    }

    /**

     * 根据Uri获取图片文件的绝对路径

     */

    public static String getFilePathByUri(Context context, final Uri uri) {

        if (null == uri) {

            return null;

        }

        final String scheme = uri.getScheme();

        String data = null;

        if (scheme == null) {

            data = uri.getPath();

        } else if (ContentResolver.SCHEME_FILE.equals(scheme)) {

            data = uri.getPath();

        } else if (ContentResolver.SCHEME_CONTENT.equals(scheme)) {

            Cursor cursor = context.getContentResolver().query(uri,

                    new String[]{MediaStore.Images.ImageColumns.DATA}, null, null, null);

            if (null != cursor) {

                if (cursor.moveToFirst()) {

                    int index = cursor.getColumnIndex(MediaStore.Images.ImageColumns.DATA);

                    if (index > -1) {

                        data = cursor.getString(index);

                    }

                }

                cursor.close();

            }

        }

        return data;

    }

}

<?xml version="1.0" encoding="utf-8"?>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="wrap_content">

    <com.electric.chargingpile.view.xrichtext.DataImageView

        android:id="@+id/edit_imageView"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:scaleType="fitXY" />

    <ImageView

        android:id="@+id/image_close"

        android:layout_width="50dp"

        android:layout_height="50dp"

        android:layout_alignParentRight="true"

        android:paddingLeft="20dp"

        android:paddingTop="5dp"

        android:paddingRight="5dp"

        android:paddingBottom="20dp"

        android:scaleType="fitXY"

        android:src="@drawable/icon_close" />

</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>

<com.electric.chargingpile.view.xrichtext.DeletableEditText xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="wrap_content"

    android:background="@null"

    android:cursorVisible="true"

    android:lineSpacingExtra="8dp"

    android:textColor="#616161"

    android:textSize="16sp" />

<?xml version="1.0" encoding="utf-8"?>

<TextView xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="wrap_content"

    android:background="@null"

    android:cursorVisible="true"

    android:lineSpacingExtra="8dp"

    android:textIsSelectable="true"

    android:textSize="16sp"

    android:textColor="#616161" />