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authorlado <herrlado@gmail.com>2015-06-09 14:07:14 +0200
committerlado <herrlado@gmail.com>2015-06-09 14:07:14 +0200
commit23d920c759303602c2a6cde38983b2aa4dbb82c2 (patch)
treed0d83c36e0698402c783ebf62e6fe7d8ee85bed2 /vdrmanager/src/com/viewpagerindicator/CirclePageIndicator.java
parentbe5e0132d51a829326478c668e4eac78e2c9e4d8 (diff)
downloadvdr-manager-23d920c759303602c2a6cde38983b2aa4dbb82c2.tar.gz
vdr-manager-23d920c759303602c2a6cde38983b2aa4dbb82c2.tar.bz2
StudioStructur
Diffstat (limited to 'vdrmanager/src/com/viewpagerindicator/CirclePageIndicator.java')
-rw-r--r--vdrmanager/src/com/viewpagerindicator/CirclePageIndicator.java437
1 files changed, 0 insertions, 437 deletions
diff --git a/vdrmanager/src/com/viewpagerindicator/CirclePageIndicator.java b/vdrmanager/src/com/viewpagerindicator/CirclePageIndicator.java
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--- a/vdrmanager/src/com/viewpagerindicator/CirclePageIndicator.java
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-/*
- * Copyright (C) 2011 Patrik Akerfeldt
- * Copyright (C) 2011 Jake Wharton
- *
- * 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.
- */
-package com.viewpagerindicator;
-
-import de.bjusystems.vdrmanager.R;
-import android.content.Context;
-import android.content.res.Resources;
-import android.content.res.TypedArray;
-import android.graphics.Canvas;
-import android.graphics.Paint;
-import android.graphics.Paint.Style;
-import android.os.Parcel;
-import android.os.Parcelable;
-import android.support.v4.view.ViewPager;
-import android.util.AttributeSet;
-import android.view.MotionEvent;
-import android.view.View;
-
-/**
- * Draws circles (one for each view). The current view position is filled and
- * others are only stroked.
- */
-public class CirclePageIndicator extends View implements PageIndicator {
- public static final int HORIZONTAL = 0;
- public static final int VERTICAL = 1;
-
- private float mRadius;
- private final Paint mPaintStroke;
- private final Paint mPaintFill;
- private ViewPager mViewPager;
- private ViewPager.OnPageChangeListener mListener;
- private int mCurrentPage;
- private int mSnapPage;
- private int mCurrentOffset;
- private int mScrollState;
- private int mPageSize;
- private int mOrientation;
- private boolean mCentered;
- private boolean mSnap;
-
-
- public CirclePageIndicator(Context context) {
- this(context, null);
- }
-
- public CirclePageIndicator(Context context, AttributeSet attrs) {
- this(context, attrs, R.attr.circlePageIndicatorStyle);
- }
-
- public CirclePageIndicator(Context context, AttributeSet attrs, int defStyle) {
- super(context, attrs, defStyle);
-
- //Load defaults from resources
- final Resources res = getResources();
- final int defaultFillColor = res.getColor(R.color.default_circle_indicator_fill_color);
- final int defaultOrientation = res.getInteger(R.integer.default_circle_indicator_orientation);
- final int defaultStrokeColor = res.getColor(R.color.default_circle_indicator_stroke_color);
- final float defaultStrokeWidth = res.getDimension(R.dimen.default_circle_indicator_stroke_width);
- final float defaultRadius = res.getDimension(R.dimen.default_circle_indicator_radius);
- final boolean defaultCentered = res.getBoolean(R.bool.default_circle_indicator_centered);
- final boolean defaultSnap = res.getBoolean(R.bool.default_circle_indicator_snap);
-
- //Retrieve styles attributes
- TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CirclePageIndicator, defStyle, R.style.Widget_CirclePageIndicator);
-
- mCentered = a.getBoolean(R.styleable.CirclePageIndicator_centered, defaultCentered);
- mOrientation = a.getInt(R.styleable.CirclePageIndicator_orientation, defaultOrientation);
- mPaintStroke = new Paint(Paint.ANTI_ALIAS_FLAG);
- mPaintStroke.setStyle(Style.STROKE);
- mPaintStroke.setColor(a.getColor(R.styleable.CirclePageIndicator_strokeColor, defaultStrokeColor));
- mPaintStroke.setStrokeWidth(a.getDimension(R.styleable.CirclePageIndicator_strokeWidth, defaultStrokeWidth));
- mPaintFill = new Paint(Paint.ANTI_ALIAS_FLAG);
- mPaintFill.setStyle(Style.FILL);
- mPaintFill.setColor(a.getColor(R.styleable.CirclePageIndicator_fillColor, defaultFillColor));
- mRadius = a.getDimension(R.styleable.CirclePageIndicator_radius, defaultRadius);
- mSnap = a.getBoolean(R.styleable.CirclePageIndicator_snap, defaultSnap);
-
- a.recycle();
- }
-
-
- public void setCentered(boolean centered) {
- mCentered = centered;
- invalidate();
- }
-
- public boolean isCentered() {
- return mCentered;
- }
-
- public void setFillColor(int fillColor) {
- mPaintFill.setColor(fillColor);
- invalidate();
- }
-
- public int getFillColor() {
- return mPaintFill.getColor();
- }
-
- public void setOrientation(int orientation) {
- switch (orientation) {
- case HORIZONTAL:
- case VERTICAL:
- mOrientation = orientation;
- updatePageSize();
- requestLayout();
- break;
-
- default:
- throw new IllegalArgumentException("Orientation must be either HORIZONTAL or VERTICAL.");
- }
- }
-
- public int getOrientation() {
- return mOrientation;
- }
-
- public void setStrokeColor(int strokeColor) {
- mPaintStroke.setColor(strokeColor);
- invalidate();
- }
-
- public int getStrokeColor() {
- return mPaintStroke.getColor();
- }
-
- public void setStrokeWidth(float strokeWidth) {
- mPaintStroke.setStrokeWidth(strokeWidth);
- invalidate();
- }
-
- public float getStrokeWidth() {
- return mPaintStroke.getStrokeWidth();
- }
-
- public void setRadius(float radius) {
- mRadius = radius;
- invalidate();
- }
-
- public float getRadius() {
- return mRadius;
- }
-
- public void setSnap(boolean snap) {
- mSnap = snap;
- invalidate();
- }
-
- public boolean isSnap() {
- return mSnap;
- }
-
- /*
- * (non-Javadoc)
- *
- * @see android.view.View#onDraw(android.graphics.Canvas)
- */
- @Override
- protected void onDraw(Canvas canvas) {
- super.onDraw(canvas);
-
- int longSize;
- int longPaddingBefore;
- int longPaddingAfter;
- int shortPaddingBefore;
- if (mOrientation == HORIZONTAL) {
- longSize = getWidth();
- longPaddingBefore = getPaddingLeft();
- longPaddingAfter = getPaddingRight();
- shortPaddingBefore = getPaddingTop();
- } else {
- longSize = getHeight();
- longPaddingBefore = getPaddingTop();
- longPaddingAfter = getPaddingBottom();
- shortPaddingBefore = getPaddingLeft();
- }
-
- final int count = mViewPager.getAdapter().getCount();
- final float threeRadius = mRadius * 3;
- final float shortOffset = shortPaddingBefore + mRadius;
- float longOffset = longPaddingBefore + mRadius;
- if (mCentered) {
- longOffset += ((longSize - longPaddingBefore - longPaddingAfter) / 2.0f) - ((count * threeRadius) / 2.0f);
- }
-
- float dX;
- float dY;
-
- //Draw stroked circles
- for (int iLoop = 0; iLoop < count; iLoop++) {
- float drawLong = longOffset + (iLoop * threeRadius);
- if (mOrientation == HORIZONTAL) {
- dX = drawLong;
- dY = shortOffset;
- } else {
- dX = shortOffset;
- dY = drawLong;
- }
- canvas.drawCircle(dX, dY, mRadius, mPaintStroke);
- }
-
- //Draw the filled circle according to the current scroll
- float cx = (mSnap ? mSnapPage : mCurrentPage) * threeRadius;
- if (!mSnap && (mPageSize != 0)) {
- cx += (mCurrentOffset * 1.0f / mPageSize) * threeRadius;
- }
- if (mOrientation == HORIZONTAL) {
- dX = longOffset + cx;
- dY = shortOffset;
- } else {
- dX = shortOffset;
- dY = longOffset + cx;
- }
- canvas.drawCircle(dX, dY, mRadius, mPaintFill);
- }
-
- @Override
- public boolean onTouchEvent(MotionEvent event) {
- if (event.getAction() == MotionEvent.ACTION_DOWN) {
- final int count = mViewPager.getAdapter().getCount();
- final int longSize = (mOrientation == HORIZONTAL) ? getWidth() : getHeight();
- final float halfLongSize = longSize / 2;
- final float halfCircleLongSize = (count * 3 * mRadius) / 2;
- final float pointerValue = (mOrientation == HORIZONTAL) ? event.getX() : event.getY();
-
- if ((mCurrentPage > 0) && (pointerValue < halfLongSize - halfCircleLongSize)) {
- setCurrentItem(mCurrentPage - 1);
- return true;
- } else if ((mCurrentPage < count - 1) && (pointerValue > halfLongSize + halfCircleLongSize)) {
- setCurrentItem(mCurrentPage + 1);
- return true;
- }
- }
-
- return super.onTouchEvent(event);
- }
-
- public void setViewPager(ViewPager view) {
- if (view.getAdapter() == null) {
- throw new IllegalStateException("ViewPager does not have adapter instance.");
- }
- mViewPager = view;
- mViewPager.setOnPageChangeListener(this);
- updatePageSize();
- invalidate();
- }
-
- private void updatePageSize() {
- if (mViewPager != null) {
- mPageSize = (mOrientation == HORIZONTAL) ? mViewPager.getWidth() : mViewPager.getHeight();
- }
- }
-
- public void setViewPager(ViewPager view, int initialPosition) {
- setViewPager(view);
- setCurrentItem(initialPosition);
- }
-
-
- public void setCurrentItem(int item) {
- if (mViewPager == null) {
- throw new IllegalStateException("ViewPager has not been bound.");
- }
- mViewPager.setCurrentItem(item);
- mCurrentPage = item;
- invalidate();
- }
-
-
- public void onPageScrollStateChanged(int state) {
- mScrollState = state;
-
- if (mListener != null) {
- mListener.onPageScrollStateChanged(state);
- }
- }
-
-
- public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
- mCurrentPage = position;
- mCurrentOffset = positionOffsetPixels;
- updatePageSize();
- invalidate();
-
- if (mListener != null) {
- mListener.onPageScrolled(position, positionOffset, positionOffsetPixels);
- }
- }
-
-
- public void onPageSelected(int position) {
- if (mSnap || mScrollState == ViewPager.SCROLL_STATE_IDLE) {
- mCurrentPage = position;
- mSnapPage = position;
- invalidate();
- }
-
- if (mListener != null) {
- mListener.onPageSelected(position);
- }
- }
-
-
- public void setOnPageChangeListener(ViewPager.OnPageChangeListener listener) {
- mListener = listener;
- }
-
- /*
- * (non-Javadoc)
- *
- * @see android.view.View#onMeasure(int, int)
- */
- @Override
- protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
- if (mOrientation == HORIZONTAL) {
- setMeasuredDimension(measureLong(widthMeasureSpec), measureShort(heightMeasureSpec));
- } else {
- setMeasuredDimension(measureShort(widthMeasureSpec), measureLong(heightMeasureSpec));
- }
- }
-
- /**
- * Determines the width of this view
- *
- * @param measureSpec
- * A measureSpec packed into an int
- * @return The width of the view, honoring constraints from measureSpec
- */
- private int measureLong(int measureSpec) {
- int result = 0;
- int specMode = MeasureSpec.getMode(measureSpec);
- int specSize = MeasureSpec.getSize(measureSpec);
-
- if (specMode == MeasureSpec.EXACTLY) {
- //We were told how big to be
- result = specSize;
- } else {
- //Calculate the width according the views count
- final int count = mViewPager.getAdapter().getCount();
- result = (int)(getPaddingLeft() + getPaddingRight()
- + (count * 2 * mRadius) + (count - 1) * mRadius + 1);
- //Respect AT_MOST value if that was what is called for by measureSpec
- if (specMode == MeasureSpec.AT_MOST) {
- result = Math.min(result, specSize);
- }
- }
- return result;
- }
-
- /**
- * Determines the height of this view
- *
- * @param measureSpec
- * A measureSpec packed into an int
- * @return The height of the view, honoring constraints from measureSpec
- */
- private int measureShort(int measureSpec) {
- int result = 0;
- int specMode = MeasureSpec.getMode(measureSpec);
- int specSize = MeasureSpec.getSize(measureSpec);
-
- if (specMode == MeasureSpec.EXACTLY) {
- //We were told how big to be
- result = specSize;
- } else {
- //Measure the height
- result = (int)(2 * mRadius + getPaddingTop() + getPaddingBottom() + 1);
- //Respect AT_MOST value if that was what is called for by measureSpec
- if (specMode == MeasureSpec.AT_MOST) {
- result = Math.min(result, specSize);
- }
- }
- return result;
- }
-
- @Override
- public void onRestoreInstanceState(Parcelable state) {
- SavedState savedState = (SavedState)state;
- super.onRestoreInstanceState(savedState.getSuperState());
- mCurrentPage = savedState.currentPage;
- mSnapPage = savedState.currentPage;
- requestLayout();
- }
-
- @Override
- public Parcelable onSaveInstanceState() {
- Parcelable superState = super.onSaveInstanceState();
- SavedState savedState = new SavedState(superState);
- savedState.currentPage = mCurrentPage;
- return savedState;
- }
-
- static class SavedState extends BaseSavedState {
- int currentPage;
-
- public SavedState(Parcelable superState) {
- super(superState);
- }
-
- private SavedState(Parcel in) {
- super(in);
- currentPage = in.readInt();
- }
-
- @Override
- public void writeToParcel(Parcel dest, int flags) {
- super.writeToParcel(dest, flags);
- dest.writeInt(currentPage);
- }
-
- public static final Parcelable.Creator<SavedState> CREATOR = new Parcelable.Creator<SavedState>() {
-
- public SavedState createFromParcel(Parcel in) {
- return new SavedState(in);
- }
-
- public SavedState[] newArray(int size) {
- return new SavedState[size];
- }
- };
- }
-}