1 files changed, 103 insertions, 0 deletions
diff --git a/android/source/src/java/org/libreoffice/canvas/AdjustLengthLine.java b/android/source/src/java/org/libreoffice/canvas/AdjustLengthLine.java
new file mode 100644
index 000000000..a6f8cb17c
--- /dev/null
+++ b/android/source/src/java/org/libreoffice/canvas/AdjustLengthLine.java
@@ -0,0 +1,103 @@
+package org.libreoffice.canvas;
+
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Paint;
+import android.graphics.PointF;
+import android.graphics.RectF;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+import org.libreoffice.LOEvent;
+import org.libreoffice.LOKitShell;
+import org.libreoffice.LibreOfficeMainActivity;
+import org.libreoffice.overlay.CalcHeadersView;
+import org.mozilla.gecko.gfx.ImmutableViewportMetrics;
+
+import static org.libreoffice.SearchController.addProperty;
+import static org.libreoffice.UnitConverter.pixelToTwip;
+import static org.libreoffice.UnitConverter.twipsToHMM;
+
+public class AdjustLengthLine extends CommonCanvasElement {
+
+    private static final float STROKE_WIDTH = 4f;
+    private static final float TOUCH_VICINITY_RADIUS = 24f;
+
+    private LibreOfficeMainActivity mContext;
+    private CalcHeadersView mCalcHeadersView;
+    private boolean mIsRow;
+    private PointF mScreenPosition;
+    private float mWidth;
+    private float mHeight;
+    private Paint mPaint;
+    private PointF mStartScreenPosition;
+    private int mIndex;
+
+    public AdjustLengthLine(LibreOfficeMainActivity context, CalcHeadersView view, boolean isRow, float width, float height) {
+        super();
+        mContext = context;
+        mCalcHeadersView = view;
+        mIsRow = isRow;
+        mWidth = width;
+        mHeight = height;
+        mPaint = new Paint();
+        mPaint.setColor(Color.BLACK);
+        mPaint.setStrokeWidth(STROKE_WIDTH);
+    }
+
+    @Override
+    public boolean onHitTest(float x, float y) {
+        if (mIsRow) {
+            return mScreenPosition.y - TOUCH_VICINITY_RADIUS < y &&
+                    y < mScreenPosition.y + TOUCH_VICINITY_RADIUS;
+        } else {
+            return mScreenPosition.x - TOUCH_VICINITY_RADIUS < x &&
+                    x < mScreenPosition.x + TOUCH_VICINITY_RADIUS;
+        }
+    }
+
+    @Override
+    public void onDraw(Canvas canvas) {
+        if (mIsRow) {
+            canvas.drawLine(0f, mScreenPosition.y, mWidth, mScreenPosition.y, mPaint);
+        } else {
+            canvas.drawLine(mScreenPosition.x, 0f, mScreenPosition.x, mHeight, mPaint);
+        }
+    }
+
+    public void dragStart(PointF point) {
+    }
+
+    public void dragging(PointF point) {
+        mScreenPosition = point;
+    }
+
+    public void dragEnd(PointF point) {
+        ImmutableViewportMetrics viewportMetrics = mContext.getLayerClient().getViewportMetrics();
+        float zoom = viewportMetrics.zoomFactor;
+
+        PointF documentDistance = new PointF(pixelToTwip((point.x-mStartScreenPosition.x)/zoom, LOKitShell.getDpi(mContext)),
+                pixelToTwip((point.y-mStartScreenPosition.y)/zoom, LOKitShell.getDpi(mContext)));
+
+        try {
+            JSONObject rootJson = new JSONObject();
+            if (mIsRow) {
+                addProperty(rootJson, "Row", "long", String.valueOf(mIndex));
+                addProperty(rootJson, "RowHeight", "unsigned short", String.valueOf(Math.round(documentDistance.y > 0 ? twipsToHMM(documentDistance.y) : 0)));
+                LOKitShell.sendEvent(new LOEvent(LOEvent.UNO_COMMAND, ".uno:RowHeight", rootJson.toString()));
+            } else {
+                addProperty(rootJson, "Column", "long", String.valueOf(mIndex));
+                addProperty(rootJson, "ColumnWidth", "unsigned short", String.valueOf(documentDistance.x > 0 ? twipsToHMM(documentDistance.x) : 0));
+                LOKitShell.sendEvent(new LOEvent(LOEvent.UNO_COMMAND, ".uno:ColumnWidth", rootJson.toString()));
+            }
+        } catch (JSONException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public void setScreenRect(RectF position) {
+        mScreenPosition = new PointF(position.right, position.bottom);
+        mStartScreenPosition = new PointF(position.left, position.top);
+        mIndex = 1 + mCalcHeadersView.getIndexFromPointOfTouch(new PointF(position.centerX(), position.centerY()));
+    }
+}