Added Android code

[wl-app.git] / Android / folioreader / src / main / java / com / folioreader / view / UnderlinedTextView.java

diff --git a/Android/folioreader/src/main/java/com/folioreader/view/UnderlinedTextView.java b/Android/folioreader/src/main/java/com/folioreader/view/UnderlinedTextView.java
new file mode 100755 (executable)
index 0000000..12ce69d
--- /dev/null
+++ b/Android/folioreader/src/main/java/com/folioreader/view/UnderlinedTextView.java
@@ -0,0 +1,107 @@
+package com.folioreader.view;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.Rect;
+import android.support.v7.widget.AppCompatTextView;
+import android.text.Layout;
+import android.util.AttributeSet;
+
+import com.folioreader.R;
+
+/**
+ * Created by mobisys on 7/4/2016.
+ */
+public class UnderlinedTextView extends AppCompatTextView {
+
+    private Rect mRect;
+    private Paint mPaint;
+    private int mColor;
+    private float mDensity;
+    private float mStrokeWidth;
+
+    public UnderlinedTextView(Context context) {
+        this(context, null, 0);
+    }
+
+    public UnderlinedTextView(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public UnderlinedTextView(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        init(context, attrs, defStyleAttr);
+    }
+
+    private void init(Context context, AttributeSet attributeSet, int defStyle) {
+
+        mDensity = context.getResources().getDisplayMetrics().density;
+
+        TypedArray typedArray =
+                context.obtainStyledAttributes(attributeSet, R.styleable.UnderlinedTextView,
+                        defStyle, 0);
+        mStrokeWidth =
+                typedArray.getDimension(
+                        R.styleable.UnderlinedTextView_underlineWidth,
+                        mDensity * 2);
+        typedArray.recycle();
+
+        mRect = new Rect();
+        mPaint = new Paint();
+        mPaint.setStyle(Paint.Style.STROKE);
+        mPaint.setColor(mColor); //line mColor
+        mPaint.setStrokeWidth(mStrokeWidth);
+    }
+
+    public int getUnderLineColor() {
+        return mColor;
+    }
+
+    public void setUnderLineColor(int mColor) {
+        this.mColor = mColor;
+        mRect = new Rect();
+        mPaint = new Paint();
+        mPaint.setStyle(Paint.Style.STROKE);
+        mPaint.setColor(mColor); //line mColor
+        mPaint.setStrokeWidth(mStrokeWidth);
+        postInvalidate();
+    }
+
+    public float getUnderlineWidth() {
+        return mStrokeWidth;
+    }
+
+    public void setUnderlineWidth(float mStrokeWidth) {
+        this.mStrokeWidth = mStrokeWidth;
+        postInvalidate();
+    }
+
+    @Override
+    protected void onDraw(Canvas canvas) {
+        int count = getLineCount();
+
+        final Layout layout = getLayout();
+        float xStart, xStop, xDiff;
+        int firstCharInLine, lastCharInLine;
+
+        for (int i = 0; i < count; i++) {
+            int baseline = getLineBounds(i, mRect);
+            firstCharInLine = layout.getLineStart(i);
+            lastCharInLine = layout.getLineEnd(i);
+
+            xStart = layout.getPrimaryHorizontal(firstCharInLine);
+            xDiff = layout.getPrimaryHorizontal(firstCharInLine + 1) - xStart;
+            xStop = layout.getPrimaryHorizontal(lastCharInLine - 1) + xDiff;
+
+            canvas.drawLine(xStart,
+                    baseline + mStrokeWidth,
+                    xStop,
+                    baseline + mStrokeWidth,
+                    mPaint);
+        }
+
+        super.onDraw(canvas);
+    }
+}
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