/*
* (non-Javadoc)
*
* @param value
*
* @see
* cn.limc.androidcharts.event.ITouchEventResponse#notifyEvent(GridChart)
*/
@Override
public void notifyEvent(GridChart chart) {
// CandleStickChart candlechart = (CandleStickChart) chart;
// this. = candlechart.getMaxSticksNum();
super.setDisplayCrossYOnTouch(false);
// notifyEvent
super.notifyEvent(chart);
// notifyEventAll
super.notifyEventAll(this);
}
/**
* initialize degrees on Y axis
*
* <p>Y軸の目盛を初期化
*
* <p>初始化Y轴的坐标值
*/
protected void initAxisY() {
this.calcValueRange();
List<String> titleY = new ArrayList<String>();
double average = (maxValue - minValue) / this.getLatitudeNum();
// calculate degrees on Y axis
for (int i = 0; i < this.getLatitudeNum(); i++) {
String value = formatAxisYDegree(minValue + i * average);
// padding space
if (value.length() < super.getLatitudeMaxTitleLength()) {
while (value.length() < super.getLatitudeMaxTitleLength()) {
value = " " + value;
}
}
titleY.add(value);
}
// calculate last degrees by use max value
String value = formatAxisYDegree(maxValue);
// padding space
if (value.length() < super.getLatitudeMaxTitleLength()) {
while (value.length() < super.getLatitudeMaxTitleLength()) {
value = " " + value;
}
}
titleY.add(value);
super.setLatitudeTitles(titleY);
}
/**
* initialize degrees on Y axis
*
* <p>Y軸の目盛を初期化
*
* <p>初始化Y轴的坐标值
*/
protected void initAxisY() {
List<String> TitleY = new ArrayList<String>();
float average = (int) ((maxValue - minValue) / this.getLatitudeNum()) / 100 * 100;
;
// calculate degrees on Y axis
for (int i = 0; i < this.getLatitudeNum(); i++) {
String value = String.valueOf((int) Math.floor(minValue + i * average));
if (value.length() < super.getAxisYMaxTitleLength()) {
while (value.length() < super.getAxisYMaxTitleLength()) {
value = new String(" ") + value;
}
}
TitleY.add(value);
}
// calculate last degrees by use max value
String value = String.valueOf((int) Math.floor(((int) maxValue) / 100 * 100));
if (value.length() < super.getAxisYMaxTitleLength()) {
while (value.length() < super.getAxisYMaxTitleLength()) {
value = new String(" ") + value;
}
}
TitleY.add(value);
super.setAxisYTitles(TitleY);
}
/*
* (non-Javadoc)
*
* <p>Called when is going to draw this chart<p> <p>チャートを書く前、メソッドを呼ぶ<p>
* <p>绘制图表时调用<p>
*
* @param canvas
*
* @see android.view.View#onDraw(android.graphics.Canvas)
*/
@Override
protected void onDraw(Canvas canvas) {
initAxisY();
initAxisX();
super.onDraw(canvas);
drawSticks(canvas);
}
/*
* (non-Javadoc)
*
* <p>Called when is going to draw this chart<p> <p>チャートを書く前、メソッドを呼ぶ<p>
* <p>绘制图表时调用<p>
*
* @param canvas
*
* @see android.view.View#onDraw(android.graphics.Canvas)
*/
@Override
protected void onDraw(Canvas canvas) {
if (this.autoCalcValueRange) {
calcValueRange();
}
initAxisY();
initAxisX();
super.onDraw(canvas);
drawSticks(canvas);
}
/**
* initialize degrees on Y axis
*
* <p>Y軸の目盛を初期化
*
* <p>初始化Y轴的坐标值
*/
protected void initAxisX() {
List<String> TitleX = new ArrayList<String>();
if (null != StickData) {
float average = maxSticksNum / this.getLongitudeNum();
for (int i = 0; i < this.getLongitudeNum(); i++) {
int index = (int) Math.floor(i * average);
if (index > maxSticksNum - 1) {
index = maxSticksNum - 1;
}
TitleX.add(String.valueOf(StickData.get(index).getDate()).substring(4));
}
TitleX.add(String.valueOf(StickData.get(maxSticksNum - 1).getDate()).substring(4));
}
super.setAxisXTitles(TitleX);
}
/**
* initialize degrees on Y axis
*
* <p>Y軸の目盛を初期化
*
* <p>初始化Y轴的坐标值
*/
protected void initAxisX() {
List<String> titleX = new ArrayList<String>();
if (null != stickData && stickData.size() > 0) {
float average = displayNumber / this.getLongitudeNum();
for (int i = 0; i < this.getLongitudeNum(); i++) {
int index = (int) Math.floor(i * average);
if (index > displayNumber - 1) {
index = displayNumber - 1;
}
index = index + displayFrom;
titleX.add(formatAxisXDegree(stickData.get(index).getDate()));
}
titleX.add(formatAxisXDegree(stickData.get(displayFrom + displayNumber - 1).getDate()));
}
super.setLongitudeTitles(titleX);
}
/**
* add a new stick data to sticks and refresh this chart
*
* <p>新しいスティックデータを追加する，フラフをレフレシューする
*
* <p>追加一条新数据并刷新当前图表
*
* @param entity
* <p>data
* <p>データ
* <p>新数据
*/
public void pushData(StickEntity entity) {
if (null != entity) {
addData(entity);
super.postInvalidate();
}
}
@Override
public boolean onTouchEvent(MotionEvent event) {
// valid
if (!isValidTouchPoint(event.getX(), event.getY())) {
return false;
}
if (null == stickData || stickData.size() == 0) {
return false;
}
final float MIN_LENGTH = (super.getWidth() / 40) < 5 ? 5 : (super.getWidth() / 50);
switch (event.getAction() & MotionEvent.ACTION_MASK) {
// 设置拖拉模式
case MotionEvent.ACTION_DOWN:
touchMode = TOUCH_MODE_SINGLE;
if (event.getPointerCount() == 1) {
touchPoint = new PointF(event.getX(), event.getY());
fixTouchPoint();
if (onTouchGestureListener != null) {
onTouchGestureListener.onTouchDown(touchPoint, getSelectedIndex());
}
super.postInvalidate();
// Notifier
super.notifyEventAll(this);
}
break;
case MotionEvent.ACTION_UP:
touchMode = TOUCH_MODE_NONE;
startPointA = null;
startPointB = null;
if (event.getPointerCount() == 1) {
touchPoint = new PointF(event.getX(), event.getY());
fixTouchPoint();
if (onTouchGestureListener != null) {
onTouchGestureListener.onTouchUp(touchPoint, getSelectedIndex());
}
super.postInvalidate();
// Notifier
super.notifyEventAll(this);
}
break;
case MotionEvent.ACTION_POINTER_UP:
touchMode = TOUCH_MODE_NONE;
startPointA = null;
startPointB = null;
return super.onTouchEvent(event);
// 设置多点触摸模式
case MotionEvent.ACTION_POINTER_DOWN:
olddistance = calcDistance(event);
if (olddistance > MIN_LENGTH) {
touchMode = TOUCH_MODE_MULTI;
startPointA = new PointF(event.getX(0), event.getY(0));
startPointB = new PointF(event.getX(1), event.getY(1));
}
break;
case MotionEvent.ACTION_MOVE:
if (touchMode == TOUCH_MODE_MULTI) {
newdistance = calcDistance(event);
if (newdistance > MIN_LENGTH) {
// if (startPointA.x >= event.getX(0)
// && startPointB.x >= event.getX(1)) {
// moveRight();
// } else if (startPointA.x <= event.getX(0)
// && startPointB.x <= event.getX(1)) {
// moveLeft();
// } else {
if (Math.abs(newdistance - olddistance) > MIN_LENGTH) {
if (newdistance > olddistance) {
zoomIn();
} else {
zoomOut();
}
// 重置距离
olddistance = newdistance;
}
// }
startPointA = new PointF(event.getX(0), event.getY(0));
startPointB = new PointF(event.getX(1), event.getY(1));
super.postInvalidate();
super.notifyEventAll(this);
}
} else {
// 单点拖动效果
if (event.getPointerCount() == 1) {
float moveXdistance = Math.abs(event.getX() - touchPoint.x);
if (moveXdistance > MIN_LENGTH) {
if (touchPoint.x - event.getX() > 0) {
int startindex = getSelectedIndex();
touchPoint = new PointF(event.getX(), event.getY());
fixTouchPoint();
if (onTouchGestureListener != null) {
onTouchGestureListener.onTouchMoved(touchPoint, TOUCH_MODE_SINGLE);
}
int gapindex = Math.abs(getSelectedIndex() - startindex);
for (int i = 0; i < gapindex; i++) {
moveRight();
}
} else if (touchPoint.x - event.getX() < 0) {
int startindex = getSelectedIndex();
touchPoint = new PointF(event.getX(), event.getY());
fixTouchPoint();
if (onTouchGestureListener != null) {
onTouchGestureListener.onTouchMoved(touchPoint, TOUCH_MODE_SINGLE);
}
int gapindex = Math.abs(getSelectedIndex() - startindex);
for (int i = 0; i < gapindex; i++) {
moveLeft();
}
}
}
super.postInvalidate();
super.notifyEventAll(this);
}
}
break;
}
return true;
}
