1 files changed, 135 insertions, 0 deletions
diff --git a/WordPress/src/main/java/org/wordpress/android/widgets/FlowLayout.java b/WordPress/src/main/java/org/wordpress/android/widgets/FlowLayout.java
new file mode 100644
index 000000000..c0b80cf73
--- /dev/null
+++ b/WordPress/src/main/java/org/wordpress/android/widgets/FlowLayout.java
@@ -0,0 +1,135 @@
+/*
+ * Sample FlowLayout wrote by Romain Guy: http://www.parleys.com/play/514892280364bc17fc56c0e2/chapter38/about
+ * Fixed and tweaked since
+ */
+
+package org.wordpress.android.widgets;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.Paint;
+import android.util.AttributeSet;
+import android.view.View;
+import android.view.ViewGroup;
+import org.wordpress.android.R;
+
+public class FlowLayout extends ViewGroup {
+	private int mHorizontalSpacing;
+	private int mVerticalSpacing;
+	private Paint mPaint;
+
+	public FlowLayout(Context context, AttributeSet attrs) {
+		super(context, attrs);
+        TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.FlowLayout);
+		try {
+			mHorizontalSpacing = a.getDimensionPixelSize(R.styleable.FlowLayout_horizontalSpacing, 0);
+			mVerticalSpacing = a.getDimensionPixelSize(R.styleable.FlowLayout_verticalSpacing, 0);
+		} finally {
+			a.recycle();
+		}
+	}
+
+	@Override
+	protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+		int widthSize = MeasureSpec.getSize(widthMeasureSpec) - getPaddingRight() - getPaddingLeft();
+		int widthMode = MeasureSpec.getMode(widthMeasureSpec);
+
+		boolean growHeight = widthMode != MeasureSpec.UNSPECIFIED;
+
+		int width = 0;
+		int height = getPaddingTop();
+
+		int currentWidth = getPaddingLeft();
+		int currentHeight = 0;
+
+		boolean newLine = false;
+		int spacing = 0;
+
+		final int count = getChildCount();
+		for (int i = 0; i < count; i++) {
+			View child = getChildAt(i);
+			measureChild(child, widthMeasureSpec, heightMeasureSpec);
+
+			LayoutParams lp = (LayoutParams) child.getLayoutParams();
+		    spacing = mHorizontalSpacing;
+			if (lp.horizontalSpacing >= 0) {
+				spacing = lp.horizontalSpacing;
+			}
+
+			if (growHeight && currentWidth + child.getMeasuredWidth() > widthSize) {
+				height += currentHeight + mVerticalSpacing;
+				currentHeight = 0;
+				width = Math.max(width, currentWidth - spacing);
+				currentWidth = getPaddingLeft();
+				newLine = true;
+			} else {
+				newLine = false;
+			}
+
+			lp.x = currentWidth;
+			lp.y = height;
+
+			currentWidth += child.getMeasuredWidth() + spacing;
+			currentHeight = Math.max(currentHeight, child.getMeasuredHeight());
+		}
+
+		if (!newLine) {
+			width = Math.max(width, currentWidth - spacing);
+        }
+		width += getPaddingRight();
+		height += currentHeight + getPaddingBottom();
+
+		setMeasuredDimension(resolveSize(width, widthMeasureSpec), resolveSize(height, heightMeasureSpec));
+	}
+
+	@Override
+	protected void onLayout(boolean changed, int l, int t, int r, int b) {
+		final int count = getChildCount();
+		for (int i = 0; i < count; i++) {
+			View child = getChildAt(i);
+			LayoutParams lp = (LayoutParams) child.getLayoutParams();
+			child.layout(lp.x, lp.y, lp.x + child.getMeasuredWidth(), lp.y + child.getMeasuredHeight());
+		}
+	}
+
+	@Override
+	protected boolean checkLayoutParams(ViewGroup.LayoutParams p) {
+		return p instanceof LayoutParams;
+	}
+
+	@Override
+	protected LayoutParams generateDefaultLayoutParams() {
+		return new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
+	}
+
+	@Override
+	public LayoutParams generateLayoutParams(AttributeSet attrs) {
+		return new LayoutParams(getContext(), attrs);
+	}
+
+	@Override
+	protected LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) {
+		return new LayoutParams(p.width, p.height);
+	}
+
+	public static class LayoutParams extends ViewGroup.MarginLayoutParams {
+		int x;
+		int y;
+
+		public int horizontalSpacing;
+
+		public LayoutParams(Context context, AttributeSet attrs) {
+			super(context, attrs);
+			TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.FlowLayout_LayoutParams);
+			try {
+				horizontalSpacing = a.getDimensionPixelSize(R.styleable.FlowLayout_LayoutParams_layout_horizontalSpacing, -1);
+			} finally {
+				a.recycle();
+			}
+		}
+
+		public LayoutParams(int w, int h) {
+			super(w, h);
+		}
+	}
+}