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标签背景支持直接设置颜色值和Drawable对象
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梁任彦 committed May 19, 2018
1 parent 89d6691 commit aee266e
Showing 1 changed file with 56 additions and 36 deletions.
92 changes: 56 additions & 36 deletions labels/src/main/java/com/donkingliang/labels/LabelsView.java
View file
Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,8 @@
import android.content.Context;
import android.content.res.ColorStateList;
import android.content.res.TypedArray;
import android.graphics.drawable.ColorDrawable;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.os.Parcelable;
import android.util.AttributeSet;
Expand All @@ -20,7 +22,7 @@ public class LabelsView extends ViewGroup implements View.OnClickListener {

private ColorStateList mTextColor;
private float mTextSize;
private int mLabelBgResId;
private Drawable mLabelBg;
private int mTextPaddingLeft;
private int mTextPaddingTop;
private int mTextPaddingRight;
Expand Down Expand Up @@ -116,7 +118,8 @@ private void getAttrs(Context context, AttributeSet attrs) {
R.styleable.labels_view_labelTextPaddingBottom, 0);
mLineMargin = mTypedArray.getDimensionPixelOffset(R.styleable.labels_view_lineMargin, 0);
mWordMargin = mTypedArray.getDimensionPixelOffset(R.styleable.labels_view_wordMargin, 0);
mLabelBgResId = mTypedArray.getResourceId(R.styleable.labels_view_labelBackground, 0);
int labelBgResId = mTypedArray.getResourceId(R.styleable.labels_view_labelBackground, 0);
mLabelBg = getResources().getDrawable(labelBgResId);
mTypedArray.recycle();
}
}
Expand Down Expand Up @@ -252,8 +255,8 @@ protected Parcelable onSaveInstanceState() {
}
//保存标签文字大小
bundle.putFloat(KEY_TEXT_SIZE_STATE, mTextSize);
//保存标签背景
bundle.putInt(KEY_BG_RES_ID_STATE, mLabelBgResId);
//保存标签背景 (由于背景改用Drawable,所以不能自动保存和恢复)
// bundle.putInt(KEY_BG_RES_ID_STATE, mLabelBgResId);
//保存标签内边距
bundle.putIntArray(KEY_PADDING_STATE, new int[]{mTextPaddingLeft, mTextPaddingTop,
mTextPaddingRight, mTextPaddingBottom});
Expand Down Expand Up @@ -296,11 +299,11 @@ protected void onRestoreInstanceState(Parcelable state) {
}
//恢复标签文字大小
setLabelTextSize(bundle.getFloat(KEY_TEXT_SIZE_STATE, mTextSize));
//恢复标签背景
int resId = bundle.getInt(KEY_BG_RES_ID_STATE, mLabelBgResId);
if (resId != 0) {
setLabelBackgroundResource(resId);
}
// //恢复标签背景 (由于背景改用Drawable,所以不能自动保存和恢复)
// int resId = bundle.getInt(KEY_BG_RES_ID_STATE, mLabelBgResId);
// if (resId != 0) {
// setLabelBackgroundResource(resId);
// }
//恢复标签内边距
int[] padding = bundle.getIntArray(KEY_PADDING_STATE);
if (padding != null && padding.length == 4) {
Expand Down Expand Up @@ -355,11 +358,12 @@ public CharSequence getLabelText(TextView label, int position, String data) {

/**
* 设置标签列表，标签列表的数据可以是任何类型的数据，它最终显示的内容由LabelTextProvider根据标签的数据提供。
*
* @param labels
* @param provider
* @param <T>
*/
public <T> void setLabels(List<T> labels,LabelTextProvider<T> provider){
public <T> void setLabels(List<T> labels, LabelTextProvider<T> provider) {
//清空原有的标签
innerClearAllSelect();
removeAllViews();
Expand All @@ -369,7 +373,7 @@ public <T> void setLabels(List<T> labels,LabelTextProvider<T> provider){
mLabels.addAll(labels);
int size = labels.size();
for (int i = 0; i < size; i++) {
addLabel(labels.get(i), i,provider);
addLabel(labels.get(i), i, provider);
}
}

Expand All @@ -387,20 +391,20 @@ public <T> List<T> getLabels() {
return (List<T>) mLabels;
}

private <T> void addLabel(T data, int position,LabelTextProvider<T> provider) {
private <T> void addLabel(T data, int position, LabelTextProvider<T> provider) {
final TextView label = new TextView(mContext);
label.setPadding(mTextPaddingLeft, mTextPaddingTop, mTextPaddingRight, mTextPaddingBottom);
label.setTextSize(TypedValue.COMPLEX_UNIT_PX, mTextSize);
label.setTextColor(mTextColor != null ? mTextColor : ColorStateList.valueOf(0xFF000000));
if (mLabelBgResId != 0) {
label.setBackgroundResource(mLabelBgResId);
}
//设置给label的背景(Drawable)是一个Drawable对象的拷贝，
// 因为如果所有的标签都共用一个Drawable对象，会引起背景错乱。
label.setBackgroundDrawable(mLabelBg.getConstantState().newDrawable());
//label通过tag保存自己的数据(data)和位置(position)
label.setTag(KEY_DATA,data);
label.setTag(KEY_POSITION,position);
label.setTag(KEY_DATA, data);
label.setTag(KEY_POSITION, position);
label.setOnClickListener(this);
addView(label);
label.setText(provider.getLabelText(label,position,data));
label.setText(provider.getLabelText(label, position, data));
}

@Override
Expand Down Expand Up @@ -587,16 +591,17 @@ public List<Integer> getSelectLabels() {

/**
* 获取选中的label(返回的是所头选中的标签的数据)
*
* @param <T>
* @return
*/
public <T> List<T> getSelectLabelDatas(){
public <T> List<T> getSelectLabelDatas() {
List<T> list = new ArrayList<>();
int size = mSelectLabels.size();
for (int i = 0;i < size;i++){
for (int i = 0; i < size; i++) {
View label = getChildAt(mSelectLabels.get(i));
Object data = label.getTag(KEY_DATA);
if (data != null){
if (data != null) {
list.add((T) data);
}
}
Expand All @@ -609,13 +614,29 @@ public <T> List<T> getSelectLabelDatas(){
* @param resId
*/
public void setLabelBackgroundResource(int resId) {
if (mLabelBgResId != resId) {
mLabelBgResId = resId;
int count = getChildCount();
for (int i = 0; i < count; i++) {
TextView label = (TextView) getChildAt(i);
label.setBackgroundResource(mLabelBgResId);
}
setLabelBackgroundDrawable(getResources().getDrawable(resId));
}

/**
* 设置标签背景
*
* @param color
*/
public void setLabelBackgroundColor(int color) {
setLabelBackgroundDrawable(new ColorDrawable(color));
}

/**
* 设置标签背景
*
* @param drawable
*/
public void setLabelBackgroundDrawable(Drawable drawable) {
mLabelBg = drawable;
int count = getChildCount();
for (int i = 0; i < count; i++) {
TextView label = (TextView) getChildAt(i);
label.setBackgroundDrawable(mLabelBg.getConstantState().newDrawable());
}
}

Expand Down Expand Up @@ -806,9 +827,8 @@ public static int sp2px(Context context, float spVal) {
public interface OnLabelClickListener {

/**
*
* @param label 标签
* @param data 标签对应的数据
* @param label 标签
* @param data 标签对应的数据
* @param position 标签位置
*/
void onLabelClick(TextView label, Object data, int position);
Expand All @@ -817,9 +837,8 @@ public interface OnLabelClickListener {
public interface OnLabelSelectChangeListener {

/**
*
* @param label 标签
* @param data 标签对应的数据
* @param label 标签
* @param data 标签对应的数据
* @param isSelect 是否选中
* @param position 标签位置
*/
Expand All @@ -833,16 +852,17 @@ public interface OnLabelSelectChangeListener {
*
* @param <T>
*/
public interface LabelTextProvider<T>{
public interface LabelTextProvider<T> {

/**
* 根据data和position返回label需要需要显示的数据。
*
* @param label
* @param position
* @param data
* @return
*/
CharSequence getLabelText(TextView label,int position,T data);
CharSequence getLabelText(TextView label, int position, T data);
}

}

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