From 23caec047182a85869f56c9ca0ae9125227734fc Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Dominik=20Sch=C3=BCrmann?= Date: Sat, 25 May 2013 22:48:11 +0200 Subject: move ActionBarSherlock lib, add gradle build files --- .../internal/widget/IcsLinearLayout.java | 410 +++++++++++++++++++++ 1 file changed, 410 insertions(+) create mode 100644 libraries/ActionBarSherlock/src/com/actionbarsherlock/internal/widget/IcsLinearLayout.java (limited to 'libraries/ActionBarSherlock/src/com/actionbarsherlock/internal/widget/IcsLinearLayout.java') diff --git a/libraries/ActionBarSherlock/src/com/actionbarsherlock/internal/widget/IcsLinearLayout.java b/libraries/ActionBarSherlock/src/com/actionbarsherlock/internal/widget/IcsLinearLayout.java new file mode 100644 index 000000000..4947c41df --- /dev/null +++ b/libraries/ActionBarSherlock/src/com/actionbarsherlock/internal/widget/IcsLinearLayout.java @@ -0,0 +1,410 @@ +package com.actionbarsherlock.internal.widget; + +import android.content.Context; +import android.content.res.TypedArray; +import android.graphics.Canvas; +import android.graphics.drawable.Drawable; +import android.util.AttributeSet; +import android.view.View; +import android.widget.LinearLayout; + +import com.actionbarsherlock.internal.nineoldandroids.widget.NineLinearLayout; + +/** + * A simple extension of a regular linear layout that supports the divider API + * of Android 4.0+. The dividers are added adjacent to the children by changing + * their layout params. If you need to rely on the margins which fall in the + * same orientation as the layout you should wrap the child in a simple + * {@link android.widget.FrameLayout} so it can receive the margin. + */ +public class IcsLinearLayout extends NineLinearLayout { + private static final int[] R_styleable_LinearLayout = new int[] { + /* 0 */ android.R.attr.divider, + /* 1 */ android.R.attr.measureWithLargestChild, + /* 2 */ android.R.attr.showDividers, + /* 3 */ android.R.attr.dividerPadding, + }; + private static final int LinearLayout_divider = 0; + private static final int LinearLayout_measureWithLargestChild = 1; + private static final int LinearLayout_showDividers = 2; + private static final int LinearLayout_dividerPadding = 3; + + /** + * Don't show any dividers. + */ + public static final int SHOW_DIVIDER_NONE = 0; + /** + * Show a divider at the beginning of the group. + */ + public static final int SHOW_DIVIDER_BEGINNING = 1; + /** + * Show dividers between each item in the group. + */ + public static final int SHOW_DIVIDER_MIDDLE = 2; + /** + * Show a divider at the end of the group. + */ + public static final int SHOW_DIVIDER_END = 4; + + + private Drawable mDivider; + private int mDividerWidth; + private int mDividerHeight; + private int mShowDividers; + private int mDividerPadding; + + private boolean mUseLargestChild; + + public IcsLinearLayout(Context context, AttributeSet attrs) { + super(context, attrs); + + TypedArray a = context.obtainStyledAttributes(attrs, /*com.android.internal.R.styleable.*/R_styleable_LinearLayout); + + setDividerDrawable(a.getDrawable(/*com.android.internal.R.styleable.*/LinearLayout_divider)); + mShowDividers = a.getInt(/*com.android.internal.R.styleable.*/LinearLayout_showDividers, SHOW_DIVIDER_NONE); + mDividerPadding = a.getDimensionPixelSize(/*com.android.internal.R.styleable.*/LinearLayout_dividerPadding, 0); + mUseLargestChild = a.getBoolean(/*com.android.internal.R.styleable.*/LinearLayout_measureWithLargestChild, false); + + a.recycle(); + } + + /** + * Set how dividers should be shown between items in this layout + * + * @param showDividers One or more of {@link #SHOW_DIVIDER_BEGINNING}, + * {@link #SHOW_DIVIDER_MIDDLE}, or {@link #SHOW_DIVIDER_END}, + * or {@link #SHOW_DIVIDER_NONE} to show no dividers. + */ + public void setShowDividers(int showDividers) { + if (showDividers != mShowDividers) { + requestLayout(); + invalidate(); //XXX This is required if you are toggling a divider off + } + mShowDividers = showDividers; + } + + /** + * @return A flag set indicating how dividers should be shown around items. + * @see #setShowDividers(int) + */ + public int getShowDividers() { + return mShowDividers; + } + + /** + * Set a drawable to be used as a divider between items. + * @param divider Drawable that will divide each item. + * @see #setShowDividers(int) + */ + public void setDividerDrawable(Drawable divider) { + if (divider == mDivider) { + return; + } + mDivider = divider; + if (divider != null) { + mDividerWidth = divider.getIntrinsicWidth(); + mDividerHeight = divider.getIntrinsicHeight(); + } else { + mDividerWidth = 0; + mDividerHeight = 0; + } + setWillNotDraw(divider == null); + requestLayout(); + } + + /** + * Set padding displayed on both ends of dividers. + * + * @param padding Padding value in pixels that will be applied to each end + * + * @see #setShowDividers(int) + * @see #setDividerDrawable(Drawable) + * @see #getDividerPadding() + */ + public void setDividerPadding(int padding) { + mDividerPadding = padding; + } + + /** + * Get the padding size used to inset dividers in pixels + * + * @see #setShowDividers(int) + * @see #setDividerDrawable(Drawable) + * @see #setDividerPadding(int) + */ + public int getDividerPadding() { + return mDividerPadding; + } + + /** + * Get the width of the current divider drawable. + * + * @hide Used internally by framework. + */ + public int getDividerWidth() { + return mDividerWidth; + } + + @Override + protected void measureChildWithMargins(View child, int parentWidthMeasureSpec, int widthUsed, int parentHeightMeasureSpec, int heightUsed) { + final int index = indexOfChild(child); + final int orientation = getOrientation(); + final LayoutParams params = (LayoutParams) child.getLayoutParams(); + if (hasDividerBeforeChildAt(index)) { + if (orientation == VERTICAL) { + //Account for the divider by pushing everything up + params.topMargin = mDividerHeight; + } else { + //Account for the divider by pushing everything left + params.leftMargin = mDividerWidth; + } + } + + final int count = getChildCount(); + if (index == count - 1) { + if (hasDividerBeforeChildAt(count)) { + if (orientation == VERTICAL) { + params.bottomMargin = mDividerHeight; + } else { + params.rightMargin = mDividerWidth; + } + } + } + super.measureChildWithMargins(child, parentWidthMeasureSpec, widthUsed, parentHeightMeasureSpec, heightUsed); + } + + @Override + protected void onDraw(Canvas canvas) { + if (mDivider != null) { + if (getOrientation() == VERTICAL) { + drawDividersVertical(canvas); + } else { + drawDividersHorizontal(canvas); + } + } + super.onDraw(canvas); + } + + void drawDividersVertical(Canvas canvas) { + final int count = getChildCount(); + for (int i = 0; i < count; i++) { + final View child = getChildAt(i); + + if (child != null && child.getVisibility() != GONE) { + if (hasDividerBeforeChildAt(i)) { + final LayoutParams lp = (LayoutParams) child.getLayoutParams(); + final int top = child.getTop() - lp.topMargin/* - mDividerHeight*/; + drawHorizontalDivider(canvas, top); + } + } + } + + if (hasDividerBeforeChildAt(count)) { + final View child = getChildAt(count - 1); + int bottom = 0; + if (child == null) { + bottom = getHeight() - getPaddingBottom() - mDividerHeight; + } else { + //final LayoutParams lp = (LayoutParams) child.getLayoutParams(); + bottom = child.getBottom()/* + lp.bottomMargin*/; + } + drawHorizontalDivider(canvas, bottom); + } + } + + void drawDividersHorizontal(Canvas canvas) { + final int count = getChildCount(); + for (int i = 0; i < count; i++) { + final View child = getChildAt(i); + + if (child != null && child.getVisibility() != GONE) { + if (hasDividerBeforeChildAt(i)) { + final LayoutParams lp = (LayoutParams) child.getLayoutParams(); + final int left = child.getLeft() - lp.leftMargin/* - mDividerWidth*/; + drawVerticalDivider(canvas, left); + } + } + } + + if (hasDividerBeforeChildAt(count)) { + final View child = getChildAt(count - 1); + int right = 0; + if (child == null) { + right = getWidth() - getPaddingRight() - mDividerWidth; + } else { + //final LayoutParams lp = (LayoutParams) child.getLayoutParams(); + right = child.getRight()/* + lp.rightMargin*/; + } + drawVerticalDivider(canvas, right); + } + } + + void drawHorizontalDivider(Canvas canvas, int top) { + mDivider.setBounds(getPaddingLeft() + mDividerPadding, top, + getWidth() - getPaddingRight() - mDividerPadding, top + mDividerHeight); + mDivider.draw(canvas); + } + + void drawVerticalDivider(Canvas canvas, int left) { + mDivider.setBounds(left, getPaddingTop() + mDividerPadding, + left + mDividerWidth, getHeight() - getPaddingBottom() - mDividerPadding); + mDivider.draw(canvas); + } + + /** + * Determines where to position dividers between children. + * + * @param childIndex Index of child to check for preceding divider + * @return true if there should be a divider before the child at childIndex + * @hide Pending API consideration. Currently only used internally by the system. + */ + protected boolean hasDividerBeforeChildAt(int childIndex) { + if (childIndex == 0) { + return (mShowDividers & SHOW_DIVIDER_BEGINNING) != 0; + } else if (childIndex == getChildCount()) { + return (mShowDividers & SHOW_DIVIDER_END) != 0; + } else if ((mShowDividers & SHOW_DIVIDER_MIDDLE) != 0) { + boolean hasVisibleViewBefore = false; + for (int i = childIndex - 1; i >= 0; i--) { + if (getChildAt(i).getVisibility() != GONE) { + hasVisibleViewBefore = true; + break; + } + } + return hasVisibleViewBefore; + } + return false; + } + + /** + * When true, all children with a weight will be considered having + * the minimum size of the largest child. If false, all children are + * measured normally. + * + * @return True to measure children with a weight using the minimum + * size of the largest child, false otherwise. + * + * @attr ref android.R.styleable#LinearLayout_measureWithLargestChild + */ + public boolean isMeasureWithLargestChildEnabled() { + return mUseLargestChild; + } + + /** + * When set to true, all children with a weight will be considered having + * the minimum size of the largest child. If false, all children are + * measured normally. + * + * Disabled by default. + * + * @param enabled True to measure children with a weight using the + * minimum size of the largest child, false otherwise. + * + * @attr ref android.R.styleable#LinearLayout_measureWithLargestChild + */ + public void setMeasureWithLargestChildEnabled(boolean enabled) { + mUseLargestChild = enabled; + } + + @Override + protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { + super.onMeasure(widthMeasureSpec, heightMeasureSpec); + + if (mUseLargestChild) { + final int orientation = getOrientation(); + switch (orientation) { + case HORIZONTAL: + useLargestChildHorizontal(); + break; + + case VERTICAL: + useLargestChildVertical(); + break; + } + } + } + + private void useLargestChildHorizontal() { + final int childCount = getChildCount(); + + // Find largest child width + int largestChildWidth = 0; + for (int i = 0; i < childCount; i++) { + final View child = getChildAt(i); + largestChildWidth = Math.max(child.getMeasuredWidth(), largestChildWidth); + } + + int totalWidth = 0; + // Re-measure childs + for (int i = 0; i < childCount; i++) { + final View child = getChildAt(i); + + if (child == null || child.getVisibility() == View.GONE) { + continue; + } + + final LinearLayout.LayoutParams lp = + (LinearLayout.LayoutParams) child.getLayoutParams(); + + float childExtra = lp.weight; + if (childExtra > 0) { + child.measure( + MeasureSpec.makeMeasureSpec(largestChildWidth, + MeasureSpec.EXACTLY), + MeasureSpec.makeMeasureSpec(child.getMeasuredHeight(), + MeasureSpec.EXACTLY)); + totalWidth += largestChildWidth; + + } else { + totalWidth += child.getMeasuredWidth(); + } + + totalWidth += lp.leftMargin + lp.rightMargin; + } + + totalWidth += getPaddingLeft() + getPaddingRight(); + setMeasuredDimension(totalWidth, getMeasuredHeight()); + } + + private void useLargestChildVertical() { + final int childCount = getChildCount(); + + // Find largest child width + int largestChildHeight = 0; + for (int i = 0; i < childCount; i++) { + final View child = getChildAt(i); + largestChildHeight = Math.max(child.getMeasuredHeight(), largestChildHeight); + } + + int totalHeight = 0; + // Re-measure childs + for (int i = 0; i < childCount; i++) { + final View child = getChildAt(i); + + if (child == null || child.getVisibility() == View.GONE) { + continue; + } + + final LinearLayout.LayoutParams lp = + (LinearLayout.LayoutParams) child.getLayoutParams(); + + float childExtra = lp.weight; + if (childExtra > 0) { + child.measure( + MeasureSpec.makeMeasureSpec(child.getMeasuredWidth(), + MeasureSpec.EXACTLY), + MeasureSpec.makeMeasureSpec(largestChildHeight, + MeasureSpec.EXACTLY)); + totalHeight += largestChildHeight; + + } else { + totalHeight += child.getMeasuredHeight(); + } + + totalHeight += lp.leftMargin + lp.rightMargin; + } + + totalHeight += getPaddingLeft() + getPaddingRight(); + setMeasuredDimension(getMeasuredWidth(), totalHeight); + } +} -- cgit v1.2.3