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添加设置选中item的颜色、label位置、item显示个数 #558

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添加设置选中item的颜色、label位置、item显示个数 #558

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dd6a636
添加设置选中item的颜色；
Apr 27, 2018
ffadbd0
Merge branch 'master' into master
loongwind Jul 24, 2018
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27 changes: 27 additions & 0 deletions pickerview/src/main/java/com/bigkoo/pickerview/view/WheelTime.java
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Original file line number Diff line number Diff line change
Expand Up @@ -710,6 +710,33 @@ public void setCyclic(boolean cyclic) {
wv_seconds.setCyclic(cyclic);
}

public void setItemsVisibleNum(int visibleNum){
wv_year.setItemsVisibleNum(visibleNum);
wv_month.setItemsVisibleNum(visibleNum);
wv_day.setItemsVisibleNum(visibleNum);
wv_hours.setItemsVisibleNum(visibleNum);
wv_minutes.setItemsVisibleNum(visibleNum);
wv_seconds.setItemsVisibleNum(visibleNum);
}

public void setCenterItemBgColor(int color){
wv_year.setCenterItemBgColor(color);
wv_month.setCenterItemBgColor(color);
wv_day.setCenterItemBgColor(color);
wv_hours.setCenterItemBgColor(color);
wv_minutes.setCenterItemBgColor(color);
wv_seconds.setCenterItemBgColor(color);
}

public void setLabelGravity(WheelView.LabelGravity gravity){
wv_year.setLabelGravity(gravity);
wv_month.setLabelGravity(gravity);
wv_day.setLabelGravity(gravity);
wv_hours.setLabelGravity(gravity);
wv_minutes.setLabelGravity(gravity);
wv_seconds.setLabelGravity(gravity);
}

public String getTime() {
if (isLunarCalendar) {
//如果是农历 返回对应的公历时间
Expand Down
88 changes: 83 additions & 5 deletions wheelview/src/main/java/com/contrarywind/view/WheelView.java
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,10 @@ public enum DividerType { // 分隔线类型
FILL, WRAP
}

public enum LabelGravity{ // label
RIGHT/*最右边*/, AFTER_CONTENT/*文字后面*/
}

private DividerType dividerType;//分隔线类型

private Context context;
Expand All @@ -61,6 +65,7 @@ public enum DividerType { // 分隔线类型
private Paint paintOuterText;
private Paint paintCenterText;
private Paint paintIndicator;
private Paint paintCenterBg;

private WheelAdapter adapter;

Expand All @@ -76,6 +81,7 @@ public enum DividerType { // 分隔线类型
private int textColorOut;
private int textColorCenter;
private int dividerColor;
private int centerItemBgColor;

// 条目间距倍数
private float lineSpacingMultiplier = 1.6F;
Expand Down Expand Up @@ -118,11 +124,16 @@ public enum DividerType { // 分隔线类型
private int widthMeasureSpec;

private int mGravity = Gravity.CENTER;
private LabelGravity mLabelGravity = LabelGravity.RIGHT;
private int drawCenterContentStart = 0;//中间选中文字开始绘制位置
private int drawOutContentStart = 0;//非中间文字开始绘制位置
private static final float SCALE_CONTENT = 0.8F;//非中间文字则用此控制高度，压扁形成3d错觉
private float CENTER_CONTENT_OFFSET;//偏移量

//item内容的最大宽度
private int maxItemContentWidth;
private String maxItemContent = "";

private final float DEFAULT_TEXT_TARGET_SKEWX = 0.5f;

public WheelView(Context context) {
Expand Down Expand Up @@ -154,6 +165,7 @@ public WheelView(Context context, AttributeSet attrs) {
mGravity = a.getInt(R.styleable.pickerview_wheelview_gravity, Gravity.CENTER);
textColorOut = a.getColor(R.styleable.pickerview_wheelview_textColorOut, 0xFFa8a8a8);
textColorCenter = a.getColor(R.styleable.pickerview_wheelview_textColorCenter, 0xFF2a2a2a);
centerItemBgColor = a.getColor(R.styleable.pickerview_wheelview_centerItemBgColor, 0x00000000);
dividerColor = a.getColor(R.styleable.pickerview_wheelview_dividerColor, 0xFFd5d5d5);
textSize = a.getDimensionPixelOffset(R.styleable.pickerview_wheelview_textSize, textSize);
lineSpacingMultiplier = a.getFloat(R.styleable.pickerview_wheelview_lineSpacingMultiplier, lineSpacingMultiplier);
Expand Down Expand Up @@ -205,6 +217,10 @@ private void initPaints() {
paintIndicator.setColor(dividerColor);
paintIndicator.setAntiAlias(true);

paintCenterBg = new Paint();
paintCenterBg.setColor(centerItemBgColor);
paintCenterBg.setAntiAlias(true);

setLayerType(LAYER_TYPE_SOFTWARE, null);
}

Expand Down Expand Up @@ -324,10 +340,26 @@ public final void setOnItemSelectedListener(OnItemSelectedListener OnItemSelecte

public final void setAdapter(WheelAdapter adapter) {
this.adapter = adapter;
measureMaxItemContentWidth();
remeasure();
invalidate();
}

private void measureMaxItemContentWidth(){
if(adapter != null){
int maxWidth = 0;
for (int i = 0; i < adapter.getItemsCount(); i++) {
String content = adapter.getItem(i).toString();
int width = getTextWidth(paintCenterText, content);
if(width > maxWidth){
maxWidth = width;
maxItemContent = content;
}
}
maxItemContentWidth = maxWidth;
}
}

public final WheelAdapter getAdapter() {
return adapter;
}
Expand Down Expand Up @@ -414,6 +446,9 @@ protected void onDraw(Canvas canvas) {

}

//绘制中间item背景颜色
canvas.drawRect(0.0f, firstLineY, measuredWidth, secondLineY, paintCenterBg);

//绘制中间两条横线
if (dividerType == DividerType.WRAP) {//横线长度仅包裹内容
float startX;
Expand All @@ -438,9 +473,15 @@ protected void onDraw(Canvas canvas) {

//只显示选中项Label文字的模式，并且Label文字不为空，则进行绘制
if (!TextUtils.isEmpty(label) && isCenterLabel) {
//绘制文字，靠右并留出空隙
int drawRightContentStart = measuredWidth - getTextWidth(paintCenterText, label);
canvas.drawText(label, drawRightContentStart - CENTER_CONTENT_OFFSET, centerY, paintCenterText);
if(mLabelGravity == LabelGravity.RIGHT){
//绘制文字，靠右并留出空隙
int drawRightContentStart = measuredWidth - getTextWidth(paintCenterText, label);
canvas.drawText(label, drawRightContentStart - CENTER_CONTENT_OFFSET, centerY, paintCenterText);
}else {
measuredCenterContentStart(maxItemContent);
int drawRightContentStart = drawCenterContentStart + maxItemContentWidth;
canvas.drawText(label, drawRightContentStart + CENTER_CONTENT_OFFSET, centerY, paintCenterText);
}
}

counter = 0;
Expand Down Expand Up @@ -591,7 +632,11 @@ private void measuredCenterContentStart(String content) {
if (isOptions || label == null || label.equals("") || !isCenterLabel) {
drawCenterContentStart = (int) ((measuredWidth - rect.width()) * 0.5);
} else {//只显示中间label时，时间选择器内容偏左一点，留出空间绘制单位标签
drawCenterContentStart = (int) ((measuredWidth - rect.width()) * 0.25);
if(mLabelGravity == LabelGravity.RIGHT){
drawCenterContentStart = (int) ((measuredWidth - rect.width()) * 0.25);
}else {
drawCenterContentStart = (int) ((measuredWidth - rect.width()) * 0.5);
}
}
break;
case Gravity.LEFT:
Expand All @@ -611,7 +656,11 @@ private void measuredOutContentStart(String content) {
if (isOptions || label == null || label.equals("") || !isCenterLabel) {
drawOutContentStart = (int) ((measuredWidth - rect.width()) * 0.5);
} else {//只显示中间label时，时间选择器内容偏左一点，留出空间绘制单位标签
drawOutContentStart = (int) ((measuredWidth - rect.width()) * 0.25);
if(mLabelGravity == LabelGravity.RIGHT){
drawOutContentStart = (int) ((measuredWidth - rect.width()) * 0.25);
}else {
drawOutContentStart = (int) ((measuredWidth - rect.width()) * 0.5);
}
}
break;
case Gravity.LEFT:
Expand Down Expand Up @@ -807,6 +856,35 @@ public float getItemHeight() {
return itemHeight;
}

public void setItemHeight(float itemHeight) {
this.itemHeight = itemHeight;
}

public int getItemsVisibleNum() {
return itemsVisible;
}

public void setItemsVisibleNum(int itemsVisible) {
this.itemsVisible = itemsVisible;
}

public int getCenterItemBgColor() {
return centerItemBgColor;
}

public void setCenterItemBgColor(int centerItemBgColor) {
this.centerItemBgColor = centerItemBgColor;
paintCenterBg.setColor(centerItemBgColor);
}

public LabelGravity getLabelGravity() {
return mLabelGravity;
}

public void setLabelGravity(LabelGravity mLabelGravity) {
this.mLabelGravity = mLabelGravity;
}

public int getInitPosition() {
return initPosition;
}
Expand Down
1 change: 1 addition & 0 deletions wheelview/src/main/res/values/attrs.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@
<attr name="wheelview_textColorOut" format="color"/>
<attr name="wheelview_textColorCenter" format="color"/>
<attr name="wheelview_dividerColor" format="color"/>
<attr name="wheelview_centerItemBgColor" format="color"/>
<attr name="wheelview_lineSpacingMultiplier" format="float"/>
</declare-styleable>
</resources>